Description:

FORM 2
THE PATENTS ACT, 1970
(39 of 1970)
&
THE PATENTS RULES, 2003
COMPLETE SPECIFICATION
[See section 10, Rule 13]

BATTERY ACCOMMODATING STRUCTURE OF AN ELECTRIC VEHICLE

HERO MOTOCORP LIMITED, an Indian Company at: The Grand Plaza, Plot No.2, Nelson Mandela Road, Vasant Kunj- Phase -II, New Delhi, India, 110 070

THE FOLLOWING SPECIFICATION PARTICULARLY DESCRIBES THE INVENTION AND THE MANNER IN WHICH IT IS TO BE PERFORMED.

FIELD OF THE INVENTION:
[001] The present invention relates to a battery accommodating structure of an electric vehicle, and an electric vehicle incorporating the same.

BACKGROUND OF THE INVENTION:
[002] The electric vehicles rely on intricate battery pack systems that serve the critical function of storing and supplying the required electrical power to drive the vehicle's motor. The battery pack system encompasses not only the battery pack itself but also a specialized structure meticulously engineered to house and secure it. The motor draws the necessary power from the battery pack through a network of wiring and connections, ultimately enabling the vehicle to operate.

[003] In a common configuration, the battery accommodating structure is mounted on the sides of the upper frame and typically assumes the form of a five-sided box complete with a lid. This design facilitates the removal of the battery pack from the top, typically achieved by sliding it out. However, a critical issue arises concerning the precise alignment of the battery with the sides of the battery housing unit when initiating the insertion of the battery into it. This alignment challenge becomes particularly pronounced since the effort required to hold the battery in the correct position is already substantial, adding to the complexity of the task. Thus, there exists a need to overcome the aforesaid disadvantage.

SUMMARY OF THE INVENTION:
[004] This Summary is provided to introduce a selection of concepts in a simplified form that are further described below in the Detailed Description. This Summary is not intended to identify key or essential features of the claimed subject matter, nor is it intended to be used as an aid in determining the scope of the claimed subject matter.

[005] Accordingly, one aspect of the present invention provides a battery accommodating structure of an electric vehicle, which comprises a side wall defining a first edge and a second edge. In an embodiment of the invention, a front wall extends from the first edge of the side wall, a rear wall extends from the second edge of the side wall, and a bottom wall connects the side wall, the front wall and the rear wall.

[006] Further in the invention, the front wall comprises a first top most point being at a first height as measured from the bottom wall. Similarly, the rear wall comprises a second top most point being at a second height as measured from the bottom wall. In an embodiment of the invention, the first height is different from the second height.

[007] In an embodiment of the invention, the battery accommodating structure comprises a first battery retaining projection and a second battery retaining projection. The first battery retaining portion located at about a first intersection point of the bottom wall and the front wall, the second battery retaining projection located at about a second intersection point of the bottom wall and the rear wall.

[008] In another embodiment of the invention, there is provided a first set of joining members on the side wall for joining the battery accommodating structure to a first portion of the electric vehicle and a second set of joining members on the bottom wall for joining the battery accommodating structure to a second portion of the electric vehicle.

[009] In yet another embodiment of the invention, the first height is greater than the second height and a height of the side wall proximate to the first edge being greater than a height of the side wall proximate to the second edge, the first edge being located in a vehicle forward direction as compared to the second edge.

[0010] In another aspect of the present invention, there is provided an electric vehicle. The electrical vehicle comprises a frame structure, a front fork, a front ground engaging member, a steering handle bar, a rear ground engaging member, a first battery and a second battery. The frame structure comprises a head pipe, an upper frame, a first lower frame, a second lower frame, a first pivot frame, a second pivot frame. The upper frame extends from the head pipe in a rearward direction and the first lower frame extends from one of the upper frame and head pipe in a downward-rearward direction and in a substantially rearward direction thereafter.

[0011] The second lower frame extends from one of the upper frame and head pipe in a downward-rearward direction and in a substantially rearward direction thereafter. The first pivot frame extends from the upper frame in the rearward-downward direction and connected with the first lower frame. Similarly, the second pivot frame extends from the upper frame in the rearward-downward direction and connected with the second lower frame.

[0012] In an embodiment of the invention, there is provided a first battery accommodating structure disposed on a first side of the upper frame and a second battery accommodating structure disposed on a second side of the upper frame. The first battery accommodating structure accommodates the first battery and the second battery accommodating structure accommodates the second battery.

[0013] In one embodiment of the invention, the first battery accommodating structure comprises a first side wall defining a first edge and a second edge. The first battery accommodating structure comprises a first front that extends from the first edge, and a first rear wall that extends from the second edge. Further, a first bottom wall connects the first side wall, the first front wall and the first rear wall. A first top most point of the first front wall being at a first height as measured from the first bottom wall. A second top most point of the first rear wall being at a second height as measured from the first bottom wall with the first height being different from the second height.

[0014] In another embodiment of the invention, the second battery accommodating structure, comprises a second side wall defining a third edge and a fourth edge. Further, the second battery structure comprises a second front wall that extends from the third edge and, a second rear wall that extends from the fourth edge. Further, a second bottom wall connects the second side wall, the second front wall and the second rear wall. A third top most point of the second front wall being at a third height as measured from the second bottom wall. A fourth top most point of the second rear wall being at a fourth height as measured from the bottom wall with the third height being different from the fourth height.

[0015] In yet another embodiment of the invention, the first bottom wall of the first battery accommodating structure and the second bottom wall of the second battery accommodating structure are supported by a mounting structure. The mounting structure is joined to both first and the second battery accommodating structures via a second and fourth sets of joining members respectively. Furthermore, the first and the second side walls comprises a first and a third set of joining members for joining the first and the second battery accommodating structure to the upper frame respectively.

[0016] In still another embodiment of the invention, the first battery retaining projection is positioned at about the first intersection point of the first bottom wall and the first front wall. Similarly, the second retaining projection is positioned at about a second intersection point of the first bottom wall and the first rear wall.

[0017] In yet another embodiment of the invention, the third battery retaining projection is positioned at about a third intersection point of the second bottom wall and the second front wall. Further, the fourth retaining projection is positioned at about a fourth intersection point of the second bottom wall and the second rear wall.

[0018] In an embodiment of the invention, at least one of the first height is greater than the second height and a height of the first side wall proximate to the first edge is greater than a height of the first side wall proximate to the second edge. Further, the third height is greater than the fourth height, and a height of the second side wall proximate to the third edge is greater than a height of the second side wall proximate to the fourth edge.

[0019] In another aspect of the invention, there is provided an electric vehicle comprising a frame structure supporting a front fork, a front ground engaging member, a steering handle bar, a rear ground engaging member, a first battery and at least a second battery., In an embodiment of the invention, the frame structure comprises a head pipe, a first lower frame, a second lower frame, an upper frame. The upper frame extending from the head pipe in a rearward direction. The first lower frame extends from one of the upper frame and head pipe in a downward-rearward direction and in a substantially rearward direction thereafter. The second lower frame extends from one of the upper frame and head pipe in a downward-rearward direction and in a substantially rearward direction thereafter. Furthermore, a first pivot frame extending from the upper frame in the rearward-downward direction and connected with the first lower frame and a second pivot frame extending from the upper frame in the rearward-downward direction and connected with the second lower frame.

[0020] In an embodiment of the invention, a first battery accommodating structure is disposed on a first side of the upper frame and a second batter accommodating structure is disposed on a second side of the upper frame. The first battery accommodating structure accommodates the first battery and the second battery accommodating structure accommodates the second battery.

[0021] In another embodiment of the invention, the first battery accommodating structure comprises a first side wall defining a first edge and a second edge. Further, the first battery accommodating structure comprises a first front wall that extends from the first edge of the first side wall and a first rear wall that extends from the second end of the first side wall. A first bottom wall connects the first side wall, the first front wall and the first rear wall. There exists a first top most point of the first front wall being at a first height as measured from the ground and a second top most point of the first rear wall being at a second height as measured from the ground and the first height being different from the second height.

[0022] Similarly, the second battery accommodating structure comprises a second side wall defining a third edge and a fourth edge. Further, the second battery accommodating structure comprises second front wall that extends from the third edge of the second side wall and a second rear wall that extends from the fourth edge of the second side wall. A second bottom wall connects the second side wall, the second front wall and the second rear wall. There exists a third top most point of the second front wall being at a third height as measured from the ground. Similarly, a fourth top most point of the second rear wall being at a fourth height as measured from the ground and the third height being different from the fourth height.

[0023] In yet another embodiment of the invention, the first height is greater than the second height and, similarly the third height is greater than the fourth height.

[0024] One advantage of the present invention is that the absence of the opposite side wall in the battery housing structure simplifies the process of aligning the battery with the housing during insertion. Another advantage of this innovation is that the difference in height between the front wall and the rear wall further minimizes the effort required to align the battery with the battery housing structure. Additionally, this invention offers the advantage of having the battery pack's lifting height just slightly above the level of the rear wall of the battery housing structure. During installation this allows the front wall to guide it into place, and during removal, the rear wall provides support to pull the battery rearward after lifting it to the appropriate height.

[0025] One advantage of the present invention is to optimize the weight of the electric vehicle, which results in an enhancement in the vehicular performance. An advantage of the present invention is that the time required for replacing the batteries of the electric vehicle gets reduced in comparison to other existing electric vehicles. An advantage of the present invention is to prevent a movement of the batteries within the battery accommodating structures, when the electric vehicle is in motion. Another advantage of the present invention is an increase in serviceability of the electric vehicle.

[0026] To further clarify the advantages and features of the invention, a more particular description of the invention will be rendered by reference to specific embodiments thereof, which is illustrated in the appended drawings. It is appreciated that these drawings depict only typical embodiments of the invention and are therefore not to be considered limiting of its scope. The invention will be described and explained with additional specificity and detail with the accompanying drawings.

BRIEF DESCRIPTION OF THE FIGURES:
[0027] In order that the invention may be readily understood and put into practical effect, reference will now be made to exemplary embodiments as illustrated with reference to the accompanying drawings, where like reference numerals refer to identical or functionally similar elements throughout the separate views. The figures together with a detailed description below, are incorporated in and form part of the specification, and serve to further illustrate the embodiments and explain various principles and advantages, in accordance with the present invention where:
[0028] Figure 1 illustrates a first side view of an electric vehicle in accordance with an embodiment of the invention;
[0029] Figure 2 illustrates a first side view of an electric vehicle in accordance with another embodiment of the invention;
[0030] Figure 3 illustrates an isometric view of the first side of the frame structure showing a battery accommodating structure with a first battery in accordance with an embodiment of the invention;
[0031] Figure 4 illustrates an exploded view of the battery accommodating structure of the vehicle in accordance with an embodiment of the invention;
[0032] Figure 5 illustrates an isometric view of a first battery accommodating structure in accordance with an embodiment of the invention;
[0033] Figure 6 illustrates an isometric view of a second battery accommodating structure in accordance with an embodiment of the invention;
[0034] Figure 7 illustrates an isometric view of the first side of the frame structure of the vehicle mounted with the first battery accommodating structure in accordance with an embodiment of the invention;
[0035] Figure 8 illustrates an isometric view of a second side of the frame structure of the vehicle mounted with the second battery accommodating structure in accordance with an embodiment of the invention;
[0036] Figure 9 illustrates an isometric view of the frame structure with mounting structure of the vehicle in accordance with an embodiment of the invention;
[0037] Figure 10 illustrates the first side view of the electric vehicle in accordance with another embodiment of the invention; and
[0038] Figure 11 illustrates the second side view of the electric vehicle in accordance with another embodiment of the invention.
[0039] It may be noted that to the extent possible, like reference numerals have been used to represent like elements in the drawings. Further, skilled artisans will appreciate that elements in the drawings are illustrated for simplicity and may not have been necessarily been drawn to scale. For example, the dimensions of some of the elements in the drawings may be exaggerated relative to other elements to help to improve understanding of aspects of the present invention. Furthermore, one or more elements may have been represented in the drawings by conventional symbols, and the drawings may show only those specific details that are pertinent to understanding the embodiments of the present invention so as not to obscure the drawings with details that will be readily apparent to those of ordinary skill in the art having the benefit of the description herein.

Detailed Description of the Invention:
[0040] For the purpose of promoting an understanding of the principles of the invention, reference will now be made to the embodiment illustrated in the drawings and specific language will be used to describe the same. It will nevertheless be understood that no limitation of the scope of the invention is thereby intended, such alterations and further modifications in the illustrated device, and such further applications of the principles of the invention as illustrated therein being contemplated as would normally occur to one skilled in the art to which the invention relates.

[0041] It will be understood by those skilled in the art that the foregoing general description and the following detailed description are explanatory of the invention and are not intended to be restrictive thereof.

[0042] As used in the description herein and throughout the claims that follow, the meaning of “a,” “an,” and “the” includes plural reference unless the context clearly dictates otherwise. Also, as used in the description herein, the meaning of “in” includes “in” and “on” unless the context clearly dictates otherwise.

[0043] Reference throughout this specification to “an aspect”, “another aspect” or similar language means that a particular feature, structure, or characteristic described in connection with the embodiment is included in at least one embodiment of the present invention. Thus, appearances of the phrase “in an embodiment”, “in another embodiment”, and similar language throughout this specification may, but do not necessarily, all refer to the same embodiment.

[0044] The terms "comprises", "comprising", or any other variations thereof, are intended to cover a non-exclusive inclusion, such that one or more devices or sub-systems or elements or structures or components proceeded by "comprises... a" does not, without more constraints, preclude the existence of other devices or other sub-systems or other elements or other structures or other components or additional devices or additional sub-systems or additional elements or additional structures or additional components.

[0045] As used herein, and unless the context dictates otherwise, the terms "coupled to", “connected to”, “operably connected to”, and “operatively connected to” are intended to include both direct connection / coupling (in which two elements that are coupled / connected to each other contact each other) and indirect coupling / connection (in which at least one additional element is located between the two elements). Therefore, the terms "coupled to" and "coupled with" are used synonymously. Similarly, the terms “connected to” and “connected with” are used synonymously.

[0046] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one ordinary skilled in the art to which this invention belongs. The device, methods, and examples provided herein are illustrative only and not intended to be limiting.

[0047] The use of any and all examples, or exemplary language (e.g., “such as”) provided with respect to certain embodiments herein is intended merely to better illuminate the invention and does not pose a limitation on the scope of the invention otherwise claimed. No language in the specification should be construed as indicating any non-claimed element as being essential to the practice of the invention.

[0048] Groupings of alternative elements or embodiments of the invention disclosed herein are not to be construed as limitations. Each group member can be referred to and claimed individually or in any combination with other members of the group or other elements found herein. One or more members of a group can be included in, or deleted from, a group for reasons of convenience and/or patentability. When any such inclusion or deletion occurs, the specification is herein deemed to contain the group as modified thus fulfilling the written description of all Markush groups used in the appended claims.

[0049] Embodiments of the present invention will be described below in detail with reference to the accompanying drawings.

[0050] The terms “front / forward”, “rear / rearward / back / backward”, “up / upper / top”, “down / lower / lower ward / downward, bottom”, “left / leftward”, “right / rightward” used therein represents the directions as seen from a vehicle driver sitting astride.

[0051] While the present invention is illustrated in the context of a vehicle, however, cover and aspects and features thereof can be used with other types of vehicles as well. The terms “vehicle”, “two wheeled vehicles” and “motorcycle” have been interchangeably used throughout the description. The term “vehicle” comprises vehicles such as motorcycles, scooters, bicycles, mopeds, scooter type vehicles, All-Terrain Vehicles (ATV) and the like.

[0052] Referring to Figure 1 and Figure 2, there is illustrated an electric vehicle (10). The electric vehicle (10), comprises a frame structure (12) supporting a front fork (14), a front ground engaging member (16), a steering handle bar (18), a rear ground engaging member (20), a first battery (24) and at least a second battery (26) (best shown in Figure 4).

[0053] Figure 3 and Figure 4, illustrates the frame structure (12) comprises a head pipe (38), a first lower frame (40), a second lower frame (42), an upper frame (44),a first pivot frame (46), a second pivot frame (48), a first battery accommodating structure (100) and a second battery accommodating structure (200) .The first lower frame (40) extends from one of the upper frame (44) and head pipe (38) in a downward-rearward direction and in a substantially rearward direction thereafter. The second lower frame (42) extends from one of the upper frame (44) and head pipe (38) in a downward-rearward direction and in a substantially rearward direction thereafter. The upper frame (44) extends from the head pipe (38) in a rearward direction. The first pivot frame (46) extends from the upper frame (44) in the rearward-downward direction and connected with the first lower frame (40). Similarly, the second pivot frame (48) (best shown in Figure 8) extends from the upper frame (44) in the rearward-downward direction and connected with the second lower frame (42).

[0054] However, in the Figure 3, the first pivot frame (46) is shown to be connected with the first lower frame (40), in an alternative embodiment, which is not illustrated, the first pivot frame (46) may be spaced apart from the first lower frame (40) and not per se connected to the first lower frame (40). For instance, the first pivot frame (46) may connect to the first lower frame (40) vide one or more other additional vehicular component (not shown). Thus, the phrase “the first pivot frame (46) extending from the upper frame (44) in the rearward-downward direction and connected with the first lower frame (40)” is intended to include both direct connection as well as connection vide one or more other additional vehicular component.

[0055] Similarly, in the Figure 4 and Figure 8 , the second pivot frame (48) is shown to be connected with the second lower frame (42), in an alternative embodiment, which is not illustrated, the second pivot frame (48) may be spaced apart from the second lower frame (42) and not per se connected to the second lower frame (42). For instance, the second pivot frame (48) may connect to the second lower frame (42) vide one or more other additional vehicular component (not shown). Thus, the phrase “the second pivot frame (48) extending from the upper frame (44) in the rearward-downward direction and connected with the second lower frame (42)” is intended to include both direction connection as well as connection vide one or more other additional vehicular component.

[0056] Further in Figure 4, the first battery accommodating structure (100) disposed on a first side of the upper frame (44) and the second battery accommodating structure (200) disposed on a second side of the upper frame (44). The first battery accommodating structure (100) accommodating the first battery (24) and the second battery accommodating structure (200) accommodating the second battery (26).

[0057] It may be noted that the electric vehicle (10) may include other parts which may not be relevant for explaining the present invention and hence not shown and described.

[0058] In accordance with Figure 5, the first battery accommodating structure (100) comprises a first side wall (102) defining a first edge (104) and a second edge (106), a first front wall (108), and a first rear wall (110). The first front wall (108) extends from the first edge (104) of the first side wall (102) and the first rear wall (110) extends from the second end (106) of the first side wall (102). Further, a first bottom wall (112) connects the first side wall (102), the first front wall (108) and the first rear wall (110).

[0059] Again referring to Figure 5, the first battery accommodating structure (100) further comprises a first top most point (108T) of the first front wall (108) being at a first height (H1) as measured from the first bottom wall (112), a second top most point (110T) of the first rear wall (110) being at a second height (H2) as measured from the first bottom wall (112). The first height (H1) being different from the second height (H2).

[0060] Further in Figure 6, the second battery accommodating structure (200), comprises a second side wall (202) defining a third edge (204) and a fourth edge (206), a second front wall (208) extending from the third edge (204) of the second side wall (202), a second rear wall (210) extending from the fourth edge (206) of the second side wall (202), a second bottom wall (212) connecting the second side wall (202), the second front wall (208) and the second rear wall (210), a second top most point (208T) of the second front wall (208) being at a third height (H3) as measured from the second bottom wall (212), a second top most point (210T) of the second rear wall (210) being at a fourth height (H4) as measured from the bottom wall (112). The third height (H3) being different from the fourth height (H4).

[0061] In accordance with Figure 5 and Figure 6, the battery accommodating structure (100) further comprises a first battery retaining projection (114) located at about a first intersection point (116) of the bottom wall (112) and the front wall (108) and a second retaining projection (118) located at about a second intersection point (120) of the bottom wall (112) and the rear wall (110). Similarly, the second battery accommodating structure (200) comprises a third battery retaining projection (214) located at about a third intersection point (216) of the second bottom wall (212) and the second front wall (208); and a fourth retaining projection (218) located at about a fourth intersection point (220) of the second bottom wall (212) and the second rear wall (210).

[0062] In an embodiment of the invention, the first height (H1) being greater than the second height (H2) and the third height (H3) being greater than the fourth height (H4). Furthermore, a height of the first side wall (102) proximate to the first edge (104) being greater than a height of the first side wall (102) proximate to the second edge (106) and a height of the second side wall (202) proximate to the third edge (204) being greater than a height of the second side wall (202) proximate to the fourth edge (206).

[0063] In an embodiment of the invention, the side wall (102) comprises a first set of joining members (122) for joining the battery accommodating structure (100) to a first portion (44) of the electric vehicle (10) and the bottom wall (112) comprises a second set of joining members (124) for joining the battery accommodating structure (100) to a second portion (300).

[0064] More specifically, with reference to Figure 5 and Figure 7, the first side wall (102) comprises a first set of joining members (122) for joining the first battery accommodating structure (100) to the upper frame (44) and the first bottom wall (112) comprises a second set of joining members (124) for joining the first battery accommodating structure (100) to a mounting structure (300) shown in Figure 9. Similarly, with reference to Figure 6 and Figure 8, the second side wall (202) comprises a third set of joining members (222) for joining the second battery accommodating structure (200) to the upper frame (44) and the second bottom wall (212) comprises a fourth set of joining members (224) for joining the second battery accommodating structure (200) to the mounting structure (300) shown in Figure 9.

[0065] In an embodiment of the invention, the first bottom wall (112) of the first battery accommodating structure (100) and the second bottom wall (212) of the second battery accommodating structure are supported by the mounting structure (300).

[0066] Due to the difference in the first height (H1) of the first front wall (108) and the second height (H2) of the first rear wall (110), there is a requirement of aligning the first battery (24) only with the first front wall (108) while assembling the first battery (24) within the first battery accommodating structure (100). Similarly, due to difference in the third height (H3) of the second front wall (208) and the fourth height (H4) of the second rear wall (210), there is a requirement of aligning the second battery (26) only with the second front wall (208) while assembling the second battery (26) within the second battery accommodating structure (200).

[0067] In an alternative embodiment of the invention shown in Figure 10 a first top most point (108T) of the first front wall (108) being at a first height (H1) as measured from the ground and a second top most point (110T) of the first rear wall (110) being at a second height (H2) as measured from the ground. The first height (H1) being greater than the second height (H2). Similarly, with reference to Figure 11, a third top most point (208T) of the second front wall (208) being at a third height (H3) as measured from the ground and a fourth top most point (210T) of the second rear wall (210) being at a fourth height (H4) as measured from the ground. The third height (H3) being greater than the fourth height (H4).

[0068] Since, the heights are measured from the ground in this embodiment there is no requirement of side walls to be altered to achieve height difference and all the first top most point (108T), the second top most point (110T), the third top most point (208T) and thefourthtop most point (210T) can have same height measured from the first bottom wall (112) and the second bottom wall (212) respectively.

[0069] One advantage of this invention is that the absence of the opposite side wall in the first battery accommodating structure (100) simplifies the process of aligning the first battery (24) with the first battery accommodating structure (100) during insertion. Similarly, the absence of the opposite side wall in the second battery accommodating structure (200)also simplifies the process of aligning the second battery (26) with the second battery accommodating structure (200) during insertion.

[0070] Another advantage of this invention is that the difference in height between the first front wall (108) and the first rear wall (110) measured from the ground or the first bottom wall (112) further minimizes the effort required to align the first battery (24) with the first battery accommodating structure (100).Similarly, the difference in height between the second front wall(208) and the second rear wall (210) measured from the ground or the second bottom wall (212)further minimizes the effort required to align the second battery (26) with the second battery accommodating structure (200).

[0071] Additionally, this invention offers the advantage that the lifting height of the first battery (24) is just slightly above the level of the first rear wall (110) of the first battery accommodating (100) structure. During installation this allows the first front wall (108) to guide it into place, and during removal, the first rear wall (110) provides support to pull the first battery (24) rearward after lifting it to the appropriate height. Similarly, the lifting height of the second battery (26) is just slightly above the level of the second rear wall (210) of the second battery accommodating (200) structure. During installation this allows the second front wall (208) to guide it into place, and during removal, the second rear wall (210) provides support to pull the second battery (26) rearward after lifting it to the appropriate height.

[0072] Since, the number of walls of the battery accommodating structure (100) is lesser in comparison to existing battery accommodating structure. One advantage of the present invention is to optimize the weight of the electric vehicle (10), which results in an enhancement in the vehicular performance. Due to the reduction in effort required for lifting the batteries and the simplified alignment process, an advantage of the present invention is that the time required for replacing the batteries of the electric vehicle (10) gets reduced in comparison to other existing electric vehicles.

[0073] Due to presence of the first battery retaining projection (114) and the second battery retaining projection (118), an advantage of the present invention is to prevent a movement of the batteries within the battery accommodating structures, when the electric vehicle (10) is in motion. Since, the first (100) and the second battery accommodating structure (200) can easily be mounted on the mounting structure (300). Another advantage of the present invention is an increase in serviceability of the electric vehicle (10).

[0074] While specific language has been used to describe the disclosure, any limitations arising on account of the same are not intended. As would be apparent to a person in the art, various working modifications may be made to the method in order to implement the inventive concept as taught herein.

[0075] The figures and the forgoing description give examples of embodiments. Those skilled in the art will appreciate that one or more of the described elements may well be combined into a single functional element. Alternatively, certain elements may be split into multiple functional elements. Elements from one embodiment may be added to another embodiment. For example, orders of processes described herein may be changed and are not limited to the manner described herein. Moreover, the actions of any flow diagram need not be implemented in the order shown; nor do all of the acts necessarily need to be performed. Also, those acts that are not dependent on other acts may be performed in parallel with the other acts. The scope of embodiments is by no means limited by these specific examples.
, Claims:WE CLAIM:

1. A battery accommodating structure (100) of an electric vehicle (10), comprising:
a side wall (102) defining a first edge (104) and a second edge (106);
a front wall (108) extending from the first edge (104) of the side wall (102);
a rear wall (110) extending from the second edge (106) of the side wall (102);
a bottom wall (112) connecting the side wall (102), the front wall (108) and the rear wall (110);
a first top most point (108T) of the front wall (108) being at a first height (H1) as measured from the bottom wall (112);
a second top most point (110T) of the rear wall (110) being at a second height (H2) as measured from the bottom wall (112), and
the first height (H1) being different from the second height (H2).

2. The battery accommodating structure (100) as claimed in claim 1, comprising:
a first battery retaining projection (114) located at about a first intersection point (116) of the bottom wall (112) and the front wall (108); and
a second retaining projection (118) located at about a second intersection point (120) of the bottom wall (112) and the rear wall (110).

3. The battery accommodating structure (100) as claimed in claim 1, wherein the side wall (102) comprises a first set of joining members (122) for joining the battery accommodating structure (100) to a first portion (44) of the electric vehicle (10) and the bottom wall (112) comprises a second set of joining members (124) for joining the battery accommodating structure (100) to a second portion (300) of the electric vehicle (10).

4. The battery accommodating structure (100) as claimed in claim 1, wherein the first height (H1) being greater than the second height (H2).

5. The battery accommodating structure (100) as claimed in claim 1, wherein a height of the side wall (102) proximate to the first edge (104) being greater than a height of the side wall proximate to the second edge (106), the first edge (104) being located in a vehicle forward direction as compared to the second edge (106).

6. An electric vehicle (10), comprising:
a frame structure (12) supporting a front fork (14), a front ground engaging member (16), a steering handle bar (18), a rear ground engaging member (20), a first battery (24) and at least a second battery (26);
the frame structure (12) comprising:
a head pipe (38);
an upper frame (44) extending from the head pipe (38) in a rearward direction;
a first lower frame(40) extending from one of the upper frame (44) and head pipe (38)in a downward-rearward direction and in a substantially rearward direction thereafter;
a second lower frame (42) extending from one of the upper frame (44) and head pipe(38) in a downward-rearward direction and in a substantially rearward direction thereafter,
a first pivot frame (46) extending from the upper frame (44) in the rearward-downward direction and connected with the first lower frame (40);
a second pivot frame (48) extending from the upper frame (44) in the rearward-downward direction and connected with the second lower frame (42);
a first battery accommodating structure (100) disposed on a first side of the upper frame (44), the first battery accommodating structure (100) accommodating the first battery (24); and
a second battery accommodating structure (200) disposed on a second side of the upper frame (44), the second battery accommodating structure (200) accommodating the second battery (26);
the first battery accommodating structure (100), comprising:
a first side wall (102) defining a first edge (104) and a second edge (106);
a first front wall (108) extending from the first edge (104) of the first side wall (102);
a first rear wall (110) extending from the second end (106) of the first side wall (102);
a first bottom wall (112) connecting the first side wall (102), the first front wall (108) and the first rear wall (110);
a first top most point (108T) of the first front wall (108) being at a first height (H1) as measured from the first bottom wall (112);
a second top most point (110T) of the first rear wall (110) being at a second height (H2) as measured from the first bottom wall (112), and
the first height (H1) being different from the second height (H2); and
the second battery accommodating structure (200), comprising:
a second side wall (202) defining a third edge (204) and a fourth edge (206);
a second front wall (208) extending from the third edge (204) of the second side wall (202);
a second rear wall (210) extending from the fourth edge (206) of the second side wall (202);
a second bottom wall (212) connecting the second side wall (202), the second front wall (208) and the second rear wall (210);
a second top most point (208T) of the second front wall (208) being at a third height (H3) as measured from the second bottom wall (212);
a second top most point (210T) of the second rear wall (210) being at a fourth height (H4) as measured from the bottom wall (112), and
the third height (H3) being different from the fourth height (H4).

7. The electric vehicle (10) as claimed in claim 6, wherein at least one of: -
the first bottom wall (112) of the first battery accommodating structure (100) and the second bottom wall (212) of the second battery accommodating structure (200) are supported by a mounting structure (300);
the first battery accommodating structure (100) comprises a first battery retaining projection (114) located at about a first intersection point (116) of the first bottom wall (112) and the first front wall (108); and a second retaining projection (118) located at about a second intersection point (120) of the first bottom wall (112) and the first rear wall (110);
the second battery accommodating structure (200) comprises a third battery retaining projection (214) located at about a third intersection point (216) of the second bottom wall (212) and the second front wall (208); and a fourth retaining projection (218) located at about a fourth intersection point (220) of the second bottom wall (112) and the second rear wall (110);
the first side wall (102) comprises a first set of joining members (122) for joining the first battery accommodating structure (100) to the upper frame (44) and the first bottom wall (112) comprises a second set of joining members (124) for joining the first battery accommodating structure (100) to a mounting structure (300); and
the second side wall (202) comprises a third set of joining members (222) for joining the second battery accommodating structure (200) to the upper frame (44) and the second bottom wall (212) comprises a fourth set of joining members (224) for joining the second battery accommodating structure (200) to the mounting structure (300).

8. The electric vehicle (10) as claimed in claim 6, wherein at least one of:
the first height (H1) being greater than the second height (H2);
the third height (H3) being greater than the fourth height (H4);
a height of the first side wall (102) proximate to the first edge (104) being greater than a height of the first side wall (102) proximate to the second edge (106); and
a height of the second side wall (202) proximate to the third edge (204) being greater than a height of the second side wall (202) proximate to the fourth edge (206).

9. An electric vehicle (10), comprising:
a frame structure (12) supporting a front fork (14), a front ground engaging member (16), a steering handle bar (18), a rear ground engaging member (20), a first battery (24) and at least a second battery (26);
the frame structure (12) comprising:
a head pipe (38);
an upper frame (44) extending from the head pipe (38) in a rearward direction;
a first lower frame(40) extending from one of the upper frame (44) and head pipe(38) in a downward-rearward direction and in a substantially rearward direction thereafter;
a second lower frame(42) extending from one of the upper frame (44) and head pipe(38) in a downward-rearward direction and in a substantially rearward direction thereafter,
a first pivot frame (46) extending from the upper frame (44) in the rearward-downward direction and connected with the first lower frame(40);
a second pivot frame (48) extending from the upper frame (44) in the rearward-downward direction and connected with the second lower frame(42);
a first battery accommodating structure (100) disposed on a first side of the upper frame (44), the first battery accommodating structure (100) accommodating the first battery (24); and
a second battery accommodating structure (200)disposed on a second side of the upper frame (44), the second battery accommodating structure (200) accommodating the second battery (26);
the first battery accommodating structure (100), comprising:
a first side wall (102) defining a first edge (104) and a second edge (106);
a first front wall (108) extending from the first edge (104) of the first side wall (102);
a first rear wall (110) extending from the second end (106) of the first side wall (102);
a first bottom wall (112) connecting the first side wall (102), the first front wall (108) and the first rear wall (110);
a first top most point (108T) of the first front wall (108) being at a first height (H1) as measured from the ground;
a second top most point (110T) of the first rear wall (110) being at a second height (H2) as measured from the ground, and
the first height (H1) being different from the second height (H2); and
the second battery accommodating structure (200), comprising:
a second side wall (202) defining a third edge (204) and a fourth edge (206);
a second front wall (208) extending from the third edge (204) of the second side wall (202);
a second rear wall (210) extending projecting from the fourth edge (206) of the second side wall (202);
a second bottom wall (212) connecting the second side wall (202), the second front wall (208) and the second rear wall (210);
a third top most point (208T) of the second front wall (208) being at a third height (H3) as measured from the ground;
a fourth top most point (210T) of the second rear wall (210) being at a fourth height (H4) as measured from the ground, and
the third height (H3) being different from the fourth height (H4).

10. The electric vehicle (10) as claimed in claim 6, wherein:
the first height (H1) being greater than the second height (H2);
the third height (H3) being greater than the fourth height (H4).