DESC:TECHNICAL FIELD
[001] The embodiments herein generally relate to a sugarcane harvester and more particularly, to a power transmission drive mechanism for rollers such as buttlifter roller, upper roller, feeder rollersand de-trasher rollers in the sugarcane harvester.

BACKGROUND
[002] Sugarcane harvester is an agricultural machine which is used to harvest sugarcane. Power transmission to a buttlifter roller, an upper roller, a plurality of feeder rollers and a plurality of de-trasher rollersare provided through separate hydraulic motors. The configuration of providing separate hydraulic motor for driving the buttlifter roller, the plurality of feeder rollers and the plurality of de-trasher rollersare complex in design, consumes more packaging space and incurs high cost.
[003] Therefore, there exists a need for a power transmission drive mechanism for rollers in a sugarcane harvester, which obviate the aforementioned drawbacks.

OBJECTS

[004] The principal object of embodimentsherein is toprovide apower transmission drive mechanism for rollers in a sugarcane harvester.
[005] Another object of embodiments herein is to provide apower transmission drive mechanism for a sugarcane harvester, which comprises a single driving means for driving a buttlifter roller and an upper roller disposed above the buttlifter roller.
[006] Another object of embodiments herein is to provide apower transmission drive mechanism for a sugarcane harvester, which comprises single driving means for driving a plurality of feeder rollers and a plurality of de-trasher rollers in a sugarcane harvester.
[007] Another object of embodiments herein is to provide apower transmission drive mechanism for rollers in a sugarcane harvester, which incurs less cost.
[008] These and other objects of the embodimentsherein will be better appreciated and understood when considered in conjunction with following description and accompanying drawings. It should be understood, however, that the following descriptions, while indicating embodiments and numerous specific details thereof, are given by way of illustration and not of limitation. Many changes and modifications may be made within the scope of the embodiments herein without departing from the spirit thereof, and the embodiments herein include all such modifications.

BRIEF DESCRIPTION OF DRAWINGS
[009] The embodiments disclosed herein are illustrated in the accompanying drawings, throughout which like reference letters indicate corresponding parts in various figures. The embodiments herein will be better understood from the following description with reference to the drawings, in which:
[0010] Fig. 1 depicts a side view of a sugarcane harvester with rollers, according to embodiments as disclosed herein;
[0011] Fig. 2 depicts a side view of a portion of the sugarcane harvester in which a power transmission drive mechanism is coupled with a buttlifter roller and an upper roller, and a plurality of another power transmission drive mechanisms coupled with corresponding plurality of first rollers and corresponding plurality of second rollers in the sugarcane harvester, according to embodiments as disclosed herein;
[0012] Fig. 3 depicts a perspective view ofthe power transmission drive mechanism coupled with the buttlifter roller and the upper roller in the sugarcane harvester, according to embodiments as disclosed herein;
[0013] Fig. 4 depicts a perspective view of power transmission mechanisms coupled with the plurality of first rollers and the plurality of second rollers in the sugarcane harvester, according to embodiments as disclosed herein; and
[0014] Fig. 5 depicts another perspective view of another power transmission mechanism coupled with another plurality of first rollers and another plurality of second rollers in the sugarcane harvester, according to embodiments as disclosed herein.

DETAILED DESCRIPTION
[0015] The embodiments herein and the various features and advantageous details thereof are explained more fully with reference to the non-limiting embodiments that are illustrated in the accompanying drawings and detailed in the following description. Descriptions of well-known components and processing techniques are omitted so as to not unnecessarily obscure the embodiments herein. The examples used herein are intended merely to facilitate an understanding of ways in which the embodiments herein may be practiced and to further enable those of skill in the art to practice the embodiments herein. Accordingly, the examples should not be construed as limiting the scope of the embodiments herein.
[0016] The embodiments herein achieve apower transmission drive mechanism for rollers in a sugarcane harvester. Further embodiments herein achieve the power transmission drive mechanism for the sugarcane harvester, which comprises a single driving means for driving a buttlifter roller and an upper roller disposed above the buttlifter roller. Furthermore, embodiments herein achieve the power transmission drive mechanism for the sugarcane harvester, which comprises a single driving means for driving a plurality of first rollers and a plurality of second rollers in the sugarcane harvester. Referring now to the drawings Figs 1 through 5, where similar reference characters denote corresponding features consistently throughout the figures, there are shown embodiments.
[0017] Fig. 1 depicts a side view of a sugarcane harvester (10) with roller (10L, 10U, 10F and 10S), according to embodiments as disclosed hereinaccording to embodiments as disclosed herein. Fig. 2 depicts a side view of a portion of the sugarcane harvester (10) in which a power transmission drive mechanism (100) is coupled with a buttlifter roller (10L) and an upper roller (10U), and a plurality of another power transmission drive mechanisms (200) coupled with corresponding plurality of first rollers (10F) and corresponding plurality of second rollers (10S) in the sugarcane harvester (10), according to embodiments as disclosed herein. The sugarcane harvester (10) includes a buttlifter roller (10L), an upper roller (10U), a plurality of first rollers (10F), a plurality of second rollers (10S), a power transmission drive mechanism (100) and a plurality of another power transmission drive mechanisms (200). The buttlifter roller (10L) is adapted to lift the sugarcanes and provide the sugarcanes to the plurality of first rollers (10F). The upper roller (10U) is disposed above the buttlifter roller (10L). Each first roller (10F) is used to move the sugarcanes to the second rollers (10S), where each first roller (10F) is a feeder roller. Each second roller (10S) is used to detach leaves from the sugarcanes, where each second roller (10S) is a de-trasher roller. For the purpose of this description and ease of understanding, the power transmission drive mechanism (100) is adapted to drive the buttlifter roller (10L) and the upper roller (10U)in the sugarcane harvester (10). It is also within the scope of the embodiment herein to provide the power transmission drive mechanisms (100) for driving any components or any other rollers present in the sugarcane harvester without otherwise deterring the intended function of the power transmission drive mechanisms (100) as can be deduced from the description and corresponding drawings.
[0018] Fig. 3 depicts a perspective view of the power transmission drive mechanism (100) coupled with the buttlifter roller (10L) and the upper roller (10U) in the sugarcane harvester (10), according to embodiments as disclosed herein. In an embodiment, the power transmission drive mechanism (100) includes a driving means (102),a power transmission drive member (104A), a buttlifter roller power transmission member (104B), a upper roller power transmission member (104C), a upper roller drive member (104D), a upper roller driven member (104E), an inupper roller pin point shaft (104G), at least one connecting means (106) and a tensioner (108).
[0019] In an embodiment, the driving means (102) is adapted to drive the buttlifter roller (10L) and the upper roller (10U) through the buttlifter roller power transmission member (104B) and the upper roller power transmission member (104C) respectively. The driving means (102) is secured to a machine frame (not shown) of the sugarcane harvester (10). The driving means (102) is at least a hydraulic motor. It is also within the scope of embodiments herein to provide any other type of motors or any other driving means for driving the buttlifter roller (10L) and the upper roller (10U) without otherwise deterring the intended function of driving means (102) as can be deduced from the description and corresponding drawings.
[0020] The power transmission drive member (104A) is adapted to be rotatably mounted onto the driving means (102) and engaged with the connecting means (106). The power transmission drive member (104A) is driven by the driving means (102) and is adapted to drive the buttlifter roller power transmission member (104B) and upper roller power transmission member (104C) through the connecting means (106). The power transmission drive member (104A) is at least a pulley.
[0021] The buttlifter roller power transmission member (104B) is adapted to be rotatably mounted onto the buttlifter roller (10L) and engaged with the connecting means (106). The buttlifter roller power transmission member (104B) is driven by the driving means (102) through thepower transmission drive member (104A) and the connecting means (106), and the buttlifter roller power transmission member (104B) in turn drives the buttlifter roller (10L). The buttlifter roller power transmission member (104B) is at least a pulley.
[0022] The upper roller power transmission member (104C) is adapted to be rotatably coupled with the upper roller (10U) through the upper roller pin point shaft (104G), the upper roller drive member (104D) and the upper roller driven member (104E). The upper roller power transmission member (104C) is rotatably mounted onto the upper roller pin point shaft (104G) and engaged with the connecting means (106). The upper roller power transmission member (104C) is driven by the driving means (102) through the power transmission drive member (104A) and the connecting means (106), and the upper roller power transmission member (104C) in turn drives the upper roller (10U) through the upper roller drive member (104D) and the upper roller driven member (104E). The upper roller power transmission member (104C) is at least a pulley.
[0023] The upper roller drive member (104D) is adapted to be rotatably coupled with the upper roller power transmission member (104C) through the upper roller pin point shaft (104G). The upper roller drive member (104D) is rotatably mounted onto the upper roller pin point shaft (104G).The upper roller drive member (104D) is at least a sprocket.
[0024] The upper roller driven member (104E) is adapted to be mounted onto the upper roller (10U) and rotatably coupled with the upper roller power transmission member (104C) through the upper roller drive member (104D) and the upper roller pin point shaft (104G). The upper roller driven member (104E) is at least a sprocket.
[0025] The connecting means (106) is adapted to connect the buttlifter roller power transmission member (104B) and the upper roller power transmission member (104C) with the driving means (102) through the power transmission drive member (104A). The connecting means (106) is engaged with the power transmission drive member (104A), the buttlifter roller power transmission member (104B) and the upper roller power transmission member (104C). The connecting means (106) is a belt. The tensioner (108) is adapted to maintain tension of the connecting means (106).The tensioner (108) is adapted to guide the connecting means (106) and maintain the connecting means tight by spring force. It is also within the scope of embodiments herein to use gears or sprockets and chain instead of pulleys and belt for transmitting power from the driving means (102) to the buttlifter roller (10L) and the upper roller (10U).
[0026] Fig. 4 depicts a perspective view of power transmission mechanisms (200) coupled with a plurality of first rollers (10F) and a plurality of second rollers (10S) in the sugarcane harvester (10), according to embodiments as disclosed herein. Fig. 5 depicts another perspective view of another power transmission mechanism (200) coupled with another plurality of first rollers (10F) and another plurality of second rollers (10S) in the sugarcane harvester (10), according to embodiments as disclosed herein. In an embodiment, each another power transmission drive mechanism (200) includes a driving means (202), a power transmission drive member (204), a plurality of first roller drive members (206), a plurality of second roller drive members (208), at least one connecting means (210) and a tensioner (212).For the purpose of this description and ease of understanding, each power transmission drive mechanisms (200) is adapted to drive the plurality of feeder rollers (10F) and the plurality of de-trasher rollers (10S) in the sugarcane harvester (10). It is also within the scope of the embodiment herein to provide the power transmission drive mechanisms (200) for driving any components or any other rollers present in the sugarcane harvester without otherwise deterring the intended function of the power transmission drive mechanisms (200) as can be deduced from the description and corresponding drawings.
[0027] The driving means (202) is adapted to drive the plurality of first rollers (10F) and the plurality of second rollers (10S) through the plurality of first roller drive members (206) and the plurality of second roller drive members (208) respectively. The driving means (202) is secured to the machine frame (not shown). The driving means (202) is at least a hydraulic motor. It is also within the scope of embodiments herein to provide any other type of motors or any other driving means for driving the first rollers (10L) and the second rollers (10S) without otherwise deterring the intended function of the driving means (202) as can be deduced from the description and corresponding drawings.
[0028] The power transmission drive member (204) is adapted to be rotatably mounted onto the driving means (202) and is engaged with the connecting means (210). The power transmission drive member (204) is driven by the driving means (202) and is adapted to drive the plurality of first roller drive members (206) and the plurality of second roller drive members (208) through the connecting means (210). The powertransmission drive member (204) is at least a pulley.
[0029] Each first roller drive member (206) is adapted to be rotatably coupled with corresponding each first roller (10F). Each first roller drive member (206) is connected with the driving means (202) through the power transmission drive member (204) and the connecting means (210).Each first roller drive member (206) is driven by the driving means (202) through the power transmission drive member (204) and the connecting means (210), and each first roller drive member (206) in turn drives corresponding each first roller (10F). Each first roller drive member (206) is at least a pulley.
[0030] Each second roller drive member (208) is adapted to be rotatably coupled with corresponding each second roller (10S). Each second roller drive member (208) is connected with the driving means (202) through the power transmission drive member (204) and the connecting means (210). Each second roller drive member (208) is driven by the driving means (202) through the power transmission drive member (204) and the connecting means (210), and each second roller drive member (208) in turn drives corresponding each second roller (10S). Each second roller drive member (208) is at least a pulley.
[0031] The connecting means (210) is adapted to connect the plurality of first roller drive members (206) and the plurality of second roller drive members (208) with the driving means (202) through the power transmission drive member (204). The connecting means (210) is engaged with the power transmission drive member (204), the plurality of first roller drive members (206) and the plurality of second roller drive member (208). The connecting means (210) is a double side belt. The tensioner (212) is adapted to maintain tension of the connecting means (210).The tensioner (212) is adapted to guide the connecting means (210) and maintain the connecting means (210) tight by spring force. It is also within the scope of embodiments herein to use gears or sprockets and chain instead of pulleys and belt for transmitting power from the driving means (202) to the first rollers (10F) and the second rollers (10S).
[0032] The foregoing description of the specific embodiments will so fully reveal the general nature of the embodiments herein that others can, by applying current knowledge, readily modify and/or adapt for various applications such specific embodiments without departing from the generic concept, and, therefore, such adaptations and modifications should and are intended to be comprehended within the meaning and range of equivalents of the disclosed embodiments. It is to be understood that the phraseology or terminology employed herein is for the purpose of description and not of limitation. Therefore, while the embodiments herein have been described in terms of embodiments, those skilled in the art will recognize that the embodiments herein can be practiced with modification within the spirit and scope of the embodiments as described herein.

,CLAIMS:1. A power transmission drive mechanism (100) for rollers (10L and 10U) in a sugarcane harvester (10), saidpower transmissiondrive mechanism (100) comprising:
a driving means (102);
a power transmission drive member (104A) adapted to be rotatably mounted onto said driving means (102);
a buttlifter roller power transmission member (104B) adapted to be rotatably coupled with a buttlifter roller (10L);
an upper roller power transmission member (104C) adapted to be rotatably coupled with an upper roller (10U); and
at least one connecting means (106) adapted to connect said buttlifter roller power transmission member (104B) and said upper roller power transmission member (104C) with said driving means (102) through said power transmission drive member (104A),
wherein
said driving means (102) is adapted to drive the buttlifter roller (10L) and theupper roller (10U) through said buttlifter roller power transmission member (104B) and said upper roller power transmission member (104C) respectively.

2. The power transmission drive mechanism (100) as claimed in claim 1, wherein said power transmission drive mechanism (100) comprises,
an upper roller drive member (104D) adapted to be rotatably coupled with upper roller power transmission member (104C) through an upper roller pin point shaft (104G).

3. The power transmission drive mechanism (100) as claimed in claim 2, wherein said power transmission drive mechanism (100) comprises,
an upper roller driven member (104E) adapted to be mounted onto the upper roller (10U) and rotatably coupled with said upper roller power transmission member (104C) through said upper roller drive member (104D),
wherein
said upper roller power transmission member (104C) is driven by said driving means (102) through said power transmission drive member (104A) and said connecting means (106), and said upper roller power transmission member (104C) in turn drives the upper roller (10U) through said upper roller drive member (104D) and upper roller driven member (104E).

4. The power transmission drive mechanism (100) as claimed in claim 1, wherein a buttlifter roller power transmission member (104B) is driven by said driving means (102) through said power transmission drive member (104A) and said connecting means (106),and said buttlifter roller power transmission member (104B)in turn drives the buttlifter roller (10L).

5. The power transmission drive mechanism (100) as claimed in claim 1, wherein said power transmission drive member (104A) is at least a pulley;
said butt lifter roller power transmission member (104B) is at least a pulley; and
said upper roller power transmission member (104C) is at least a pulley.

6. The power transmission drive mechanism (100) as claimed in claim 3, wherein
said upper roller drive member (104D) is at least a sprocket; and
said upper roller driven member (104E) is at least a sprocket.

7. The power transmission drive mechanism (100) as claimed in claim1, wherein said power transmission drive mechanism (100) comprises,
a tensioner (108) adapted to maintain tension of said connecting means (106).

8. The power transmission drive mechanism (100) as claimed in claim 1, wherein said driving means (102) is at least a hydraulic motor; and
said connecting means (106) is at least a belt.

9. A power transmission drive mechanism (200) for rollers (10F and 10S) in a sugarcane harvester (10), said power transmission drive mechanism (100) comprising:
a driving means (202);
a power transmission drive member (204) adapted to be rotatably mounted onto said driving means (202);
a plurality of first roller drive members (206), each of said first roller drive member (206) is adapted to be rotatably coupled with corresponding each first roller (10F);
a plurality of second roller drive members (208), each of said second roller drive member (208) is adapted to be rotatably coupled with corresponding each second roller (10S); and
at least one connecting means (210) adapted to connect each of said first roller drive member (206) and each of said second roller drive member (208) with said driving means (202) through said power transmission drive member (204),
wherein
said driving means (202) is adapted to drive the plurality of first rollers (10F) and the plurality of second rollers (10S) through said plurality of first roller drive members (206) and said plurality of second roller drive members (208) respectively.

10. The power transmission drive mechanism (200) as claimed in claim 9, wherein each of said first roller drive member (206) is driven by said driving means (202) through said power transmission drive member (204) and said connecting means (210), and each of said first roller drive member (206) in turn drives corresponding each first roller (10F); and
each of said second roller drive member (208) is driven by said driving means (202) through said power transmission drive member (204) and said connecting means (210), and each of said second roller drive member (208) in turn drives corresponding each second roller (10S).

11. The power transmission drive mechanism (200) as claimed in claim 9, wherein said power transmission drive member (204) is at least a pulley;
each of said first roller drive member (206) is at least a pulley;
each of said second roller drive member (208) is at least a pulley.

12. The power transmission drive mechanism (200) as claimed in claim 9, wherein each first roller (10F) is at least a feeder roller; and
each second roller (10S) is at least a de-trasher roller.

13. The power transmission drive mechanism (200) as claimed in claim 9, wherein said driving means (202) is at least a hydraulic motor; and
said connecting means (210) is at least a double sided belt.

14. The power transmission drive mechanism (200) as claimed in claim 9, wherein said power transmission drive mechanism (200) comprising,
a tensioner (212) adapted to maintain tension of said connecting means (210).

Dated: 20th March, 2019
Signature:
Name of Signatory: Somashekar Ramakrishna
Patent Agent No: 2024