..
ADAPTIVE VEHICLE
FIELD OF THE INVENTION
[0001] The present invention relates to an adaptive vehicle.
BACKGROUND
[0002] A differently abled person faces difficulties while travelling alone on a two
wheeled vehicle such as a scooter or on specially designed motorized vehicles such as
motorized wheel chair. The difficulties faced include need to temporarily store the
walking aids such as a crutch.
[0003] Prior art reference with publication no. US654 7112 titled "Crutch and Cane
Holder System" describes a holding system for holding lower portion of a walking
assistor in a motorized wheelchair-scooter wherein the holder comprises of at least one
substantially round cylindrical receiver and is attached at a height lower than a seat of
motorized wheelchair-scooter. The present system has disadvantage the walking assistor
is not in immediate reach of the rider which might cause discomfort for immediate
movement.
[0004] Another prior art reference with publication no. CN202235979 titled "Wheel
Chair with Crutch fixing device" describes fixation of crutch on a wheel chair with the
aid of two fixing belts wherein fixing belts are respectively arranged on the chair hand
rail and chair leg bracket. This system poses disadvantages such as rattling during the run
of wheel chair and may cause discomfort during the removal of crutch out of the fixing
belts.
[0005] It is the requirement of present day to provide ail adaptive vehicle which
aims to solve problems faced by differently abled person while riding an adaptive vehicle.
SUMMARY
2
1.6. :· 3& 'i':' ,(~ . •<:.· :'-
IPO ..... ' ..
[0006) An adaptive vehicle is disclosed. In an embodiment, the adaptive vehicle
comprises a vehicle body frame. The vehicle body frame comprises a head tube, a main
frame and a pair of rear seat sub-frames. The main frame extends from the head tube, and
the pair of rear seat sub-frames extends from a rear end the main frame for supporting a
seat of the adaptive vehicle. In an embodiment, the adaptive vehicle further comprises at
least one auxiliary device coupled with the vehicle body frame. Each auxiliary device of
the at least one auxiliary device comprises an auxiliary wheel, an auxiliary frame
member, a bracket member and a crutch foot securing means. The auxiliary wheel is
operatively coupled with the main frame, and the auxiliary frame member is operatively
coupled with the vehicle body frame. The bracket member extends outwardly from the
auxiliary frame member in a width direction of the adaptive vehicle. The bracket member
comprises one or more clamps for accommodating one or more rod portions at a top
portion of a crutch. The crutch foot securing means is disposed on a front side of the
adaptive vehicle to engage a foot portion of the crutch.
[0007] In an embodiment, the adaptive vehicle further comprises at least one frame
tube member. Each frame tube member of the at least one frame tube member extends
obliquely downwardly and rearwardly from a respective rear seat sub-frame of the pair of
rear seat sub-frames. More specifically, a front end of a frame tube member of the at least
one frame tube member is connected to a front end portion of the respective rear seat subframe.
Further, a front end of the auxiliary frame member is connected to a rear end of
respective frame tube member and where a rear end of the auxiliary frame member is
connected to rear end portion of respective rear seat sub-frame of the pair of rear seat subframes.
[0008] In an embodiment, the adaptive vehicle further comprises at least one of a
first flat plate bracket and a second flat plate bracket. The first flat plate bracket attached
to a rear end potion of an elongated rod of a first auxiliary frame member of the at least
one auxiliary device. The first flat plate bracket extends inwardly in the width direction of
the adaptive vehicle. The second flat plate bracket attached to a rear end potion of an
elongated rod of a second auxiliary frame member of the at least one auxiliary device.
The second flat plate bracket extends inwardly in the width direction of the adaptive
vehicle. Moreover, the first flat plate bracket comprisesprovisions for mounting the first
flat plate bracket to a first rear seat sub-frame of the pair of rear seat sub-frames and
3
1"6 :,;•. ·.;r
thereby mounting the first auxiliary frame member to the tlrst rear seat sub-frame.
Similarly, the second flat plate bracket comprises provisions for mounting the second flat
plate bracket to a second rear seat sub-frame of the pair of rear seat sub-frames and
thereby mounting the second auxiliary frame member to the second rear seat sub-frame.
[0009] In an embodiment, the adaptive vehicle further comprises a first seat subframe
bracket and a second seat sub-frame bracket. Each of the first seat sub-frame
bracket and the second seat sub-trame bracket comprises a plurality of holes. The first
seat sub-frame bracket is fixed at a rear portion of the first rear seat sub-frame and the
second seat sub-frame bracket is fixed at a rear portion of the second rear seat sub-frame.
f:V~ore specifically, the first flat plate bracket comprises one or more holes corresponding
to one or more holes of the plurality of holes of the first seat sub-frame bracket for
mounting the first auxiliary frame member to the first rear seat sub-frame. Similarly, the
second flat plate bracket comprises one or more holes corresponding to one or more holes
of the plurality of holes of the second seat sub-frame bracket for mounting the second
auxiliary frame member to the second rear seat sub-frame.
[0010] In an embodiment, the each of the first flat plate bracket and the second flat
plate bracket comprises one or more holes for mounting a pillion grip member. The
pillion grip member comprises a U-shaped configuration comprising a first forward
extension portion and a second forward extension portion. The first forward extension
portion comprises one or more provisions for engaging with the one or more holes of the
first flat plate bracket and the second forward extension portion comprises one or more
provisions for engaging with the one or more holes of the second flat plate bracket.
[0011] In an embodiment, the bracket member is welded to the auxiliary frame
member. The bracket member comprises a base plate and a projection. The base plate
extends outwardly in the width direction of the adaptive vehicle from a rear end portion
of the elongated rod of the auxiliary frame member. The .base plate comprises the one or
more clamps for engaging with the one or more rod portions of the crutch. The projection
is attached to an intermediate portion along length of the base plate and extends along a
longitudinal direction ofthe adaptive vehicle. The projection comprises an opening.
[0012] In an embodiment, the each auxiliary device further comprises a tightening
member, a pin and a support plate. The support plate comprises a tightening member
4
rs:38 ~ •,: ; ' ·.' ,•.·, ·, ''
accornmodating provision. Moreover, when the one or more rod portions ofthe crutch are
accommodated in the one or more clamps and the support plate is positioned over the one
or more rod portions, the tightening member is configured to be inserted in the tightening
member accommodating provision and in the opening of the projection of the bracket
member. More specifically, the tightening member is engaged with the pin, thereby
aiding in engagement of the support plate, the crutch and the bracket member together.
(0013] In an embodiment, the base plate comprises one or more elongated slots
configured ·towards respective ends of the base plate. Each elongated slot from among the
one or more elongated slots secures a clamp of the one or more clamps.
(0014] In an embodiment, the each .auxiliary device further comprises a support pin
and a swinging element. The support pin is welded to the vehicle body frame rearward of
a cross member, where the cross member is connected to the rear end of the main frame
in the width direction of the adaptive vehicle. The swinging element comprises a front
end and a rear end. The front end of the swinging element is attached to the support pin,
and the rear end of the swinging element is pivotally attached to an axle of the auxiliary
wheel.
(0015] In an embodiment, the each auxiliary device further comprises a suspension
mounting pin and at least one rear suspension member. The suspension mounting pin
extending outwardly from an intermediate portion of the auxiliary frame member. The at
least one rear suspension member comprises an upper end and a lower end. The upper
end is connected to the suspension mounting pin and the lower end is connected to a rear
end portion of the swinging element.
[0016] In an embodiment, the crutch foot securing means comprises a central crutch
foot securing portion, a first clip member and a second clip member. The central crutch
foot securing portion is used for engaging the foot portion of the crutch. The first clip
member is positioned upwards of the central crutch foot securing portion and the second
clip member is positioned downwards ofthe central crutch foot securing portion. Each of
the first clip member and the second clip member is provided with respective holes for
mounting the crutch foot securing means to the adaptive vehicle. In an embodiment, the
first clip member is mounted to a leg shield of the adaptive vehicle and the second clip
member is mounted to a foot board of the adaptive vehicle.
5
l\PQ P.W;~H~ ~;t.-9.7-·~ .. ?.Q·Jt? !t$=~·~
,------------------------------------------~------ ------
,.
BRIEF DESCRIPTION OF THE ACCOMPANYING ORA WINGS
[0017] The invention itself, together with further features and attended advantages,
will become apparent from consideration of the following detailed description, taken in
conjunction with the accompanying drawings. One or more embodiments of the present
invention are now described, by way of example only wherein like reference numerals
represent like elements and in which:
[0018] Figure I illustrates a side v1ew of an adaptive vehicle according to an
embodiment of the present invention;
[0019] Figure 2 illustrates an isometric view of a vehicle body frame of the adaptive
vehicle according to an embodiment of the present invention;
[0020] Figure 3 illustrates an exploded view depicting a mounting arrangement of
components onto the vehicle body frame of the adaptive vehicle according to an
embodiment of the present invention;
[0021] Figure 4 illustrates a view of the adaptive vehicle depicting a mounting
arrangement of a crutch in the adaptive vehicle according to an embodiment of the
present invention; and
[0022] Figure 5 illustrates an exploded view depicting a mounting arrangement for
foot of the crutch in the adaptive vehicle according to an embodiment of the present
invention.
[0023] The drawings referred to in t~is description are not to be understood as being
drawn to scale except if specifically noted, and such drawings are only exemplary in
nature.
DETAILED DESCRIPTION
[0024] While the invention is susceptible to various modifications and alternative
forms, an embodiment -thereof has been .shown by way of example in the drawings and
6
lG 3·a.: ·:·': ':.: \""', ·-
.--------------------------------------------------
will be described·here below. It should be understood, however that it is not intended to
limit the invention to the particular forms disclosed, but on the contrary, the invention is
to cover all modifications, equivalents, and alternative falling within the spirit and the
score ofthe invention.
[00251 The terms "comprises", "comprising", or any other variations thereof, are
intended to cover a non-exclusive inclusion, such that a setup, device or method that
comprises a list of components or steps does not include only those components or steps
but may include other components or steps not expressly listed or inherent to such setup
or device or method. In other words, one or more elements in a system or apparatus
proceeded by "comprises ... a" does not, without more constraints, preclude the existence
of other elements or additional elements in the system or apparatus .
. [0026] For the better understanding of this invention, reference would now be made
to the embodiment illustrated in the accompanying figures and description here below,
further, in the following figures, the same reference numerals are used to identify the
same components in various views.
[0027] The terms "front I forward", "rear I rearward I backward", "up I upper I top I
upward", "down I downward I lower I lowerward", "left I leftward", "right I rightward"
used therein represents the directions as seen from a vehicle driver sitting astride and
these directions are referred by arrows Fr, Rr, U, Lr, L, R in the drawing figures.
[0028) While the present invention is illustrated in the context of a saddle riding type
vehicle, however, arrangement of crutch and aspects and features thereof can be used ·
with other type cif vehicles as well. It is to be noted that terms such as "vehicle" and
"adaptive vehicle" are interchangeably used throughout the description.
[0029] Figure I illustrates a side view of an adaptive vehicle according to an
embodiment of the present invention. The adaptive vehicle ( 100) comprises, inter-alia, a
vehicle body frame ( 10 I), a head tube (II 0) (shown in Figure 2), a front fender (1 09), a
front wheel (108), a steering handlebar (107), a fuel tank provided below a seat (106) on
which a rider sits in an astride position, an engine unit (126), a primary rear wheel (127),
a primary wheel rear fender(111), an exhaust pipe, a muffler (125), a plastic covering,
. and at least one auxiliary device. In an embodiment, two auxiliary devices such as a first
3 1 - 0 1 -. 2. B 1 S
;•:-(" ·-· -· M ........ ·- ~- -
7
}_6,.: 38 ,__ ;V- ;- -
auxiliary device and a second auxiliary device, one on left side and other on right side is
provided. It may be noted that.the adaptive vehicle (100) is shown to include above stated
parts, however, those skilled in the art would appreciate that the adaptive vehicle (100)
includes other parts which may not be relevant for the description of the present invention
and hence such parts are not shown and described.
[0030] In an embodiment, adaptive vehicle (100) comprises the at least one auxiliary
device that comprises additional auxiliary wheels, and auxiliary provisions for storing
walking aid such as a crutch· (222) on the adaptive vehicle (1 00). Various example
embodiments of the at least one auxiliary device comprising the auxiliary provisions for
storing the crutch (222) are described with referenced to Figures I to 5. As shown in
Figures 2 and 3, an example auxiliary device comprises an auxiliary frame member (206),
a swinging element (248), at least one rear suspension member (250), and an auxiliary
wheel ( 119), apart from the auxiliary provisions (described later) for storing the crutch
(222).
[0031] Further, as illustrated in Figure 2, the vehicle body frame ( 10 I) includes the
head tube (110), a main frame (112) and a pair of rear seat sub-frames (114a), (114b) and
one or more cross frames (116), ( 120). The main frame ( 112) extends downward and
backward from the head tube ( 11 0) and then extends in a substantially horizontal
direction. The main frame (112) is provided with a cross member (124) which is
connected to the rear end of the main frame (112).The cross member (124) extends in the
cross direction (or width direction) ofthe adaptive vehicle (100). A first support pin (246)
and a second support pin (not shown in Figures) are welded to and towards the front end
of the engine unit (126) and are provided rearward of the cross member (124). The first
support pin (246) and a second support pin are provided to pivotally support the
respective swinging elements (248) to the vehicle body frame (101). The pivotal support
to the swinging element (248) is provided by mounting of the swinging element (248) to
the first support pin (246) through suitable means such as fastening means. It may be
noted that the mounting of an auxiliary device is done on left and right sides of the
adaptive vehicle (100). However, one skilled in art would appreciate the description
provided for mounting the auxiliary device on the right side of the adaptive vehicle ( 1 00)
and would be able to relate it to the mounting of analogous auxiliary device on the left
side of the adaptive vehicle ( 1 00). For instance, on the left side, the swinging element
8
I P 9 9 e k H: ;t ·~), - Q l - ?: 0. l s. l ~· ~ ?
(248) can be mounted to the second support pin (not shown) through suitable means such
as fastening means.
[0032] The pair of rear seat sub-frames ( 114a) and (I 14b) extends rearwardly and
upwardly from the ends of the cross member (124) and then extends in approximately
horizontal direction to support the seat I 06. The rear portion of the pair of rear seat subframes
(114a) and (114b) curves at rear ends and is connected by a bracket (123). A 'U'
character-like front side crossing frame ( 120) is constructed over the front portion of the
rear seat sub-frames ( 114a) and ( 114b ). The rear side crossing frame ( 116) is constructed
over the front portion of the rear side approximately horizontal part of the rear seat subframes
(114a) and (114b).
[0033] A cross pipe ( 122) is provided at the upper surface of the front part of the
approximately horizontal part ofthe main frame (112), along the width direction of the
adaptive vehicle (100). A pair of left and right sub-frames (117a) and (117b) extends
backwardly from side-ends of the cross pipe ( 122). The left and right sub-frames ( 117a)
and (117b) extend backwardly from the front in the state where it is inclined a little in a
side view, and the left and right sub-frames (117a) and (117b) are welded on the cross
member (124) forming a step floor structure. Further, a first frame tube (not shown)
extends obliquely downward and rearward, such that a front end of the first frame tube is
connected (e.g., welded) to a front end portion of the first (e.g., left) rear seat sub-frame
(114a), for example, welded at a position near the front side cross frame (120). Similarly,
a second frame tube ( 118b) extends obliquely downward and rearward, the front end of
which is connected (e.g., welded) to a front end portion of the second (e.g., right) subframe
( 114b ), for example, welded at a position near the front side cross frame ( 120). The
first frame tube and the second frame tube (118b) are used for mounting a foot peg (207)
(e.g., see Figure 3).
[0034] With reference to Figure 1 and Figure 2, the head tube (11 0) is steerably
connected to a front fork (not shown in Figures) and the front wheel (I 08) is attached to a
lower end of the front fork. The steering handlebar ( 1 07) is attached to an upper end of
the head tube ( 11 0). A head light (not shown) is arranged in front of the steering
handlebar (I 07). The front fender ( 1 09) is provided so as to cover an upper portion of the
front wheel (I 08).
9
16,.::·.3·8 -.··ii .... ,·.~.; •.:
--------------
[0035] The engine unit ( 126) is mounted downwards of fuel tank and is pivotally
supported by engine mounting bracket (not shown in figures).
[0036] The seat (I 06), on which the rider straddles, is supported by the rear seat subframes
( 114a) and ( 114b). In an example, the plastic coveririg comprises, but not limited
to, a footboard (128), a leg shield (102), a centre frame cover (e.g., see 103a and 103b)
and a side frame cover (I 04 ). The footboard ( 128) is disposed between the seat (I 06) and
the head tube {I I 0 ). I he toot board (I L.~) IS pos1honed lower than the seat (I 06) and is
disposed above the pair of left and right sub-frames (117a) and (117b). The footboard
( 128) is a component on which the rider puts his/her feet while riding the adaptive vehicle
(100).
[0037] The leg shield ( 1 02) protects legs of a rider on the front side. The centre
frame cover is provided behind the leg shield ( 1 02). Without loss of generality, the centre
frame cover has two parts, for example, an upper centre frame cover (1 03a) and a lower
centre frame cover ( 103 b). The upper centre frame cover ( 1 03a) and the lower centre
frame cover (I 03 b) are enclosed around the main frame ( 112). The side frame cover (I 04)
that covers a vehicle side surface, is provided behind the centre frame cover (e.g., see
1 03a and 1 03 b). The seat ( 1 06) is provided on the side frame cover (I 04 ). A tai I I ight (not
shown) and the primary whee.l rear fender (Ill) are provided at a rear portion of the side .
frame cover ( 1 04 ). A fuel tank is arranged under the seat ( 1 06) inside the side frame
cover ( 1 04 ).
[0038] The first (e.g., left) rear seat sub-frame (114a) and the second (e.g., right) rear
seat sub-frame ( 114b) towards their rear ends are provided with respective seat sub-frame
brackets, for example, a first (e.g., left) seat sub-frame bracket (225) and a second (e.g.,
right) seat sub-frame bracket (226). Each of the left seat sub-frame bracket (225) and the
right seat sub-frame bracket (226) is. provided with a plurality of holes facilitating
mounting of a flat plate bracket (202) (described later). In a preferred embodiment, each
of the left seat sub-frame bracket (225) and the right seat sub-frame bracket (226) is fixed
at a rear portion of respective rear seat sub-frames, for example, welded rearwards of the
rear side crossing frame ( 116).
[0039]_ With reference to Figure 3, the vehicle body frame (1 01) at its rear end is
fitted with a pillion grip member (203) located behind the seat (1 06). The pillion grip
--,--
member (203) is configured to be gripped by a pillion rider during operation of the
adaptive vehicle (I 00). The pillion grip member (203) is aU-shaped member comprising
a first (e.g., left) forward extension portion (203L) and a second (e.g., right) forward
extension portion (203R) connected by a grip base portion (2038). Each of the left
forward extension portion (203L) and the right forward extension portion (203R)
comprises one or more provisions for engaging with the one or more holes of a first flat
plate bracket (see, the flat" plate bracket (202)) and a second flat plate bracket (see, the flat
plate bracket (202)), respectively. For instance, each of the left forward extension portion
(203L) and the right forward extension portion (203R) is provided with at least one stay
so as to aid in the fitment of.the pillion grip member (203). The mounting arrangement of
the pillion grip member (203) in relation to the right forward extension portion (203R) is
described and a person skilled in the art would understand the application of such
description in relation to the left forward extension portion (203L). The right forward
extension portion (203R) according to a preferred embodiment is provided with two stay
members, for example a first stay member (204) and a second stay member (205). Each
of the first stay member (204) and the second stay member (205) is provided with a
provision for fastening means such as a nut.
[0040] Referring now specifically to Figure 3, the auxiliary frame member (206) is
fitted to the vehicle body frame ( 101) through fastening means. However, it should be
understood that the auxiliary frame member (206) may be fitted to the vehicle body frame
(1 01) through other suitable means that those shown in Figure 3. In a preferred
embodiment, the auxiliary frame member (206) is fitted towards the right side of the
vehicle body frame ( 101) as seen through the astride position of a rider. The auxiliary
frame member (206) comprises an elongated rod that extends frontwardly and
downwardly in the intermediate portion, the rod being of sufficient length, with the foot
peg (207) welded towards the front end. The auxiliary provisions comprise a bracket
member (201) and the flat plate bracket (202) welded towards the rear end portion of the
elongated rod of the auxiliary frame member (206). A suspension mounting pin (245)
extending outwardly is provided at intermediate portion of the auxiliary frame member
(206).
[0041] In an embodiment, the front end of the auxiliary frame member (206) is
connected (e.g., fixedly secured) to a rear end of a respective frame tube member. For
11
16 3& ': '"• ,':, ~ ·:· .·,
,---------------------------------------------------------------·-----------------------
··'
instance, as shown in Figures 2 and 3, the front end of the auxiliary frame member (206)
is securely fixed to the rear end of the second frame tube member (I 18b ), for example, by
means of clamping bolts. The rear end of the auxiliary frame member (206) is provided
with the flat plate bracket (202) and the bracket member (20 I). The flat plate bracket
(202) extends inwardly in the width direction of the adaptive vehicle (I 00) and the
bracket member (20 I) extends outwardly in the width direction of the adaptive vehicle
(I 00). The flat plate bracket (202) and the bracket member (20 I) are welded to the
elongated rod of the auxiliary frame ·member (206). The flat plate bracket (202) is
provided with four provisions or holes (202a), (202b), (202c) and (202d) wherein the
holes (202a) and (202b) aid the mounting of the auxiliary frame member (206) to the
vehicle body frame ( 10 I), and the holes (202c) and (202d) aid in the mounting of the
pillion grip member (203) with the flat plate bracket (202).
[0042] The bracket member (201) welded to auxiliary frame member (206)
comprises of a base plate (209) extending outwardly in the width direction of the adaptive
vehicle (I 00). In an embodiment, the base plate (209) comprises two opening in the form
of one or more elongated slots (not visible in the drawings) provided towards respective
ends of the base plate (209). In the intermediate portion along the length of the base plate
(209), a projection (21 0) is welded having an opening (211 ). The projection (21 0) extends
along the longitudinal direction of the adaptive vehicle (I 00) and the opening (211)
provides accommodation for a tightening member (215) (described later). The projection
(21 0) is provided with a nut (232).
[0043] As shown in Figure 3, the tightening member (215) includes a knob (216) at
the top and a tubular portion (217) connected to the knob (216). The tubular portion (217)
is threaded and towards its end is. provided with a pin engaging provision (218).
[0044] The auxiliary provisions for storing the crutch (222) further comprise a
support plate (220). The support plate (220) is provided according to an embodiment of
the present invention wherein the support plate (220) is approximately of the same length
as that of the base plate (209), and a tightening member accommodating provision (221)
is configured in an intermediate portion along length of the support plate (220). The
tightening member accommodating provision (221) has a diameter greater than a
diameter of the tightening member (215).
12
IP~ P~kHl ~l-97-?Q~~ ~~:3'
[0045) The one or more elongated slots provided on the base plate (209) act as
securing means for clamps, such as a first clamp (213) and a second clamp (214 ). In a
preferred embodiment, the clamps (213) and (214) are of U-shaped configuration. At
least one of the first clamp (213) and the second clamp (214) is capable of movement
within the elongated slots of the base plate (209). The clamps (213) and (214) are of such
material and width such that the rod portions of the crutch (222) can be easily
accommodated within respective clamps (213) and (214). In another embodiment, the rod
portions ofthe crutch (222) are accommodated within the respective clamps (213) and
(214) through any other suitable arrangement.
0 [0046] In an example representation shown in Figure 3, the crutch (222) includes a
pair of legs (223) and (224). The legs (223) and (224) are provided with a support (240)
at their top ends. The support (240) further includes a foam material or other such adding
(not shown in Figures), so as to provide comfort for the person using the crutch (222). At
the bottom end of the crutch (222), the legs (223) and (224) taper towards each other and
are joined to the sides of a central leg unit (227). The legs (223) and (224) are joined to
the central leg unit (227) by means suitable as known in the art. The central leg unit (227)
terminates at the bottom of the crutch (222) with a foot (228), which may be fitted with a
rubber cap as commonly known in the art. The crutch (222) further includes a handle
(229) extending between the legs (223) and (224) for grasping by the person using the
crutch (222).
[0047] With reference to Figure 4 and Figure 5, the adaptive vehicle (1 00) towards
its front side is provided with a crutch foot securing means (235). In a preferred
embodiment, the crutch foot securing means (235) is provided rearwards of the leg shield
(102). In an embodiment, the crutch foot securing means (235) comprises a central crutch
foot securing portion (236) (e.g., see Figure 5), a first clip member (237) and a second
clip member (238). The first clip member (237) is provided upwards of the central crutch
foot securing portion (236) and the second clip member (238) is provided downwards of
the central crutch foot securing portion (236). The first clip member (237) and the second
clip member (238) are provided with respective holes (237a) and (238a), respectively, for
mounting the crutch foot securing means (235) to the adaptive vehicle (1 00). In a
preferred embodiment, the crutch foot securing means (235) is fixed with the aid of the
1.., . ..6. ,.,
13
38 ''\\' ·•
.--------------------------------------------------. ~-
first clip member (237) and the second clip member (238) to the leg shield (102) and the
foot board ( 128), respectively.
[0048] With respect to Figure I, Figure 2 and Figure 3, the mounting arrangement of
the auxiliary frame member (206) and the pillion grip member (203) to the vehicle body
frame (I 0 I) is described in a step wise manner. The front end of the au xi I iary frame
member (206) is fixedly secured to the second frame tube member (I 18b ). The rear end
of the auxiliary frame member (206) is fixedly secured by fastening the flat plate bracket
(202) to the right seat sub-frame bracket (226).
[0049] Following the mounting of auxiliary frame member (206), the pillion grip
member (203) is mounted by fastening the left forward extension portion (203L) and the
right forward extension portion (203R) with the aid of respective stay member, for
example, the first stay member (204) and the second stay member (205) to the flat plate
bracket (202) utilizing holes (202c) and (202d), respectively, through fastening
member(s).
[0050] The axle of the auxiliary wheel ( 119) is pivotally attached to the rear end of
the swinging element (248). The front end of the first swinging element (248) is attached
to the first support pin (246). A lower end of the suspension member (250) is connected
to the first swinging element (248), for example, connected to a rear end portion of the
first swinging element (248). The first suspension member (250) at its upper end IS
connected to the suspension mounting pin (245) of the auxiliary frame member (206).
[0051] When the operator needs to store the crutch (222) onto the adaptive vehicle
(100), the same can also be done in the astride position of operator without requiring
bending and causing undue discomfort to the operator. In a normal scenario, the tubular
portion (217) of the tightening member (215) is inserted into the accommodating
provision (221) of the support plate (220) and then the support plate (220) is moved up
towards the knob (216) of the tightening member (215). In an embodiment, two threaded
nuts are engaged with the tightening member (215) and provided between the support
plate (220) and the base plate (209).
[0052] The tightening member (215) is then inserted into the opening (211) of the
projection (21 0) of the bracket member (20 I), and thereafter, the tightening member
14
l.S.: 3 R '''/ -~·- ·;·.· ,'.
(215) is engaged with a pin (219) by passing through the provision (218) of the tightening
member (215).
[0053] For storing the crutch (222) in the adaptive vehicle (I 00), the support plate
(220) is rotated so as to be in substantially longitudinal axis of the adaptive vehicle (I 00).
The crutch (222) is placed through its foot (228) with the central crutch foot securing
portion (236) of the crutch foot securing means (235). Furthermore, the crutch (222)
towards the top ends of its legs (223) and (224 ), is engaged with the first clamp (213) and
the second clamp (214), respectively. In an embodiment, engagement of the legs (223)
and (224) of the crutch (222) to the first clamp (213) and the second clamp (214),
respectively, is configured in form of a snap fit arrangement. Alternatively or
additionally, the crutch (222) can be engaged with the first and second clamps (213) and
(214) through any other suitable arrangement. Thereafter, the support plate (220) is
rotated 90 degrees so as to align the longitudinal axis of the support plate (220)
perpendicular to the longitudinal axis of the adaptive vehicle (I 00). Thereafter, the
tightening member (215) is rotated by the operator such that the crutch (222) locked in
the clamps (213) and (214) remain in the locked position.
[0054] For removing the crutch (222), the tightening member (215) is rotated by the
operator so as to loosen the support plate (220). Thereafter, the support plate (220) is
rotated about an angle of 90 degrees so as to align the longitudinal.axis of rotating plate
(220) parallel to the longitudinal axis of the adaptive vehicle (1 00). The crutch (222) is
grabbed and pulled out of the first and second clamps (213) and (214), and thereafter the
crutch (222) is moved rearwards linearly so to 'disengage the foot (228) from the central
crutch foot securing portion (236) of the crutch foot securing means (235).
[0055] · Various embodiments of the present invention prpvide adaptive vehicle
designed for differently abled person that is suitable for use and requires no other outside
assistance for such usage by a differently abled person. The present invention provides an
adaptive vehicle designed for easy access by a differently abled person. The present
invention provides an adaptive vehicle provides provision for· storage of walking aids
such as a crutch. The present invention provides an adaptive vehicle for differently abled
person wherein storage of walking aid (e.g., a crutch) avoids imposition of excessive
stress on the vehicle body as the crutch is store in horizontal position. The present
15
T6 :;. 8 .;··; •:• ...... \'
~--------------------------------------------------------------------------------------~--------- -
invention provides an arrangement of rehabilitation of the crutch on a vehicle such that
the arrangement is I ight weight.
[0056) While few embodiments of the present invention have been described above,
it is to be understood that the invention is not limited to the above embodiments and
modifications may be appropriately made thereto within the spirit and scope of the
invention.
[0057) While considerable emphasis has been placed herein on the particular
features of this invention, it will be appreciated that various modifications can be made,
and that many changes can be made in the preferred embodiments without departing from
the principles of the invention. These and other modifications in the nature of the
invention or the preferred embodiments will be apparent to those skilled in the art from
the disclosure herein, whereby it is to be distinctly understood that the foregoing
descriptive matter is to be interpreted merely as illustrative of the invention and not as a
limitation.
16
16-.: :;,8:
·.;•.· l '-; ··,~· .·,
CLAIMS
We claim:
I. An adaptive vehicle, comprising:
a vehicle body frame comprising:
a head tube;
a main frame extending fi·on·r the: hc:aJ lube; anJ
a pair of rear seat sub-frames extending from a rear end of the main
frame for supporting a seat of the adaptive vehicle; and
at least one auxiliary device couplt)d with the vehicle body frame, each auxiliary
device of the at least one auxiliary device comprising:
an auxiliary wheel operatively coupled with the main frame;
an auxiliary frame member operatively coupled with the vehicle body
frame;
a bracket member extending outwardly from the auxiliary frame
member 111 a width direction of the adaptive vehicle, the bracket member
comprising one or more clamps for accommodating one or more rod portions at a
top portion of a crutch; and
a crutch foot securing means disposed on a front side of the adaptive
vehicle to engage a foot portion of the crutch.
2. The adaptive vehicle as claimed in claim 1, further comprising:
at least one frame tube member, each frame tube member extending obliquely
downwardly and rearwardly from a respective rear seat sub-frame of the pair of rear seat
sub-frames,
wherein a front end of a frame tube member of the at least one frame tube
member is connected to a front end portion of the respective rear seat sub-frame, and
wherein a front end of the auxiliary frame member is connected to a rear end of
respective frame tube member and wherein a rear end of the auxiliary frame member is
connected to a rear end portion of respective rear seat sub-frame of the pair of rear seat
sub-frames.
3. The adaptive vehicle as claimed in claim 2, further comprising:
..
IP. 0 D,E.L HiT :; . .l -· 0·7· - 2 0 1. 5 '.\~: ; •:· .~'-\ ~;,·.:. l~·: ; .; .. ~.~·," .;·.~ •;·~· .... '• ·,y, --\;'· '•\.'.' -~··
17
1..6 .:;.8;
·~·: ,•.: ·~··· .;
at least one of a first flat plate bracket and a second flat plate bracket,
the first flat plate bracket attached to a rear end potion of an elongated rod of a
first auxiliary frame member of the at least one auxiliary device, the first flat plate
bracket extending inwardly in the width direction of the adaptive vehicle;
the second flat plate bracket attached to a rear end potion of an elongated rod of a
second auxiliary frame member of the at least one auxiliary device, the second flat plate
bracket extending inwardly in the width direction of the adaptive vehicle;
wherein the first flat plate bracket comprises provisions for mounting the first flat
plate bracket to a first rear seat sub-frame of the pair of rear seat sub-frames and thereby
mounting the first auxiliary frame member to the first rear seat sub-frame; and
wherein the second flat plate bracket comprises provisions for mounting the
second flat plate bracket to a second rear seat sub-frame of the pair of rear seat subframes
and thereby mounting the second auxiliary frame member to the second rear seat
sub-frame.
4. The adaptive vehicle as claimed in claim 3, further comprising:
a first seat sub-frame bracket and a second seat sub-frame bracket, each
comprising a plurality of holes, the first seat sub-frame bracket fixed at a rear portion of
the first rear seat sub-frame and the second seat sub-frame bracket fixed at a rear portion
of the second rear seat sub-frame;
wherein the first flat plate bracket comprises one or more holes corresponding to
one or more holes of the plurality of holes of the _first seat sub-frame bracket for
mounting the first auxiliary frame member to the first rear seat sub-frame; and
wherein the second .flat plate bracket comprises one or more holes corresponding
to one or more holes of the plurality of holes of the second seat sub-frame bracket for
mounting the second auxiliary frame member to the second rear seat sub-frame.
5. The adaptive vehicle as claimed in claim 3, wherein each of the first flat plate
bracket and the second flat plate bracket comprises one or more holes for mounting a
pillion grip member, wherein the pillion grip member comprises a U-shaped
configuration comprising a first forward extension. portion and a second forward
extension portion, the first forward extension portion comprising one or more provisions
for engaging with the one or more holes of the first flat plate bracket and the second
:;,1-0.7- 2015 i'·i.' ·t'.:.. ••• • • .... , •••• ·.;•
18
16":;8
·~· ·. : •..: .; '·;. •.:
forward extension portion comprising one or more provisions for engaging with the one
or more holes of the second flat plate bracket.
6. The adaptive vehicle as claimed in claim I, wherein the bracket member IS
welded to the auxiliary frame member, and wherein the bracket member comprises:
a base plate extending outwardly in the width direction of the adaptive vehicle
from a rear end portion of an elongated rod of the auxiliary frame member, the base
plate comprising the one or more clamps for engaging with the one or more rod portions
of the crutch; and
a projection attached· to an intermediate portion along length of the base plate and
extending along a longitudinal direction of the adaptive vehicle, the projection
comprising an Qpening.
7. The adaptive vehicle as claimed in claim 6, wherein the each auxiliary device
further comprises:
a tightening member;
a pin; and
a support plate comprising a tightening member accommodating provision,
wherein when the one or more rod portions of the crutch are accommodated in
the one or more clamps and the support plate is positioned over the one or more rod
portions, the tightening member is configured to be inserted in the tightening member
accommodating provision and in the opening of the projection of the bracket member,
and
wherein the tightening member is engaged with .the pm, thereby aiding m
engagement of the support plate, the crutch and the bracket member together.
8. The adaptive vehicle as claimed m claims 6 or 7, wherein the base plate
comprises one or more elongated slots configured towards respective ends of the base
plate, each elongated slot securing a clamp of the one or more clamps.
9. The adaptive vehicle as claimed in claim I, wherein the each auxiliary device
further comprises:
19
}.{;.:.38
:\:· .:: •..:..;' .:.
a support pin welded to the vehicle body frame rearward of a cross member, the
cross member connected to the rear end of the main frame in the width direction of the
adaptive vehicle; and
a swinging element comprising a front end and a rear end, wherein the front end
of the swinging element is attached to the support pin, and wherein the rear end of the
swinging element is pivotally attached to an axle of the auxiliary wheel.
I 0. The adaptive vehicle as claimed in claim 9, wherein the each auxiliary d~vice
further comprises:
a suspension mounting pin extending outwardly from an intermediate portion of
the auxiliary frame member; and
at least one rear suspension member comprising an upper end and a lower end,
wherein the upper end is connected to the suspension mounting pin and the lower end is
connected to a rear end portion of the swinging element.
II. The adaptive vehicle as claimed in claim I, wherein the crutch foot securing
means compnses:
a central crutch foot securing portion for engaging the foot portion of the crutch;
and
a first clip member positioned upwards of the central crutch foot securing portion
and a second clip member positioned downwards of the central crutch foot securing
portion,
wherein each of the first clip member and the second clip member is provided
with respective holes for mounting the crutch foot securing means to the adaptive
vehicle.
12. The adaptive vehicle as claimed in claim 11, wherein the first clip member is
mounted to a leg shield of the adaptive vehicle and the second clip member is mounted
to a foot board of the adaptive vehicle.