Drive wheel for a track assembly of a work vehicle
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
B62D-055/12
E02F-009/02
B62D-055/065
B62D-055/24
B62D-055/088
B62D-055/14
출원번호
US-0291089
(2014-05-30)
등록번호
US-9663918
(2017-05-30)
발명자
/ 주소
Vik, Brian
Zurn, Daniel
Weckerly, Jordan
Stoltman, Russell
출원인 / 주소
CNH Industrial America LLC
대리인 / 주소
DeMille, Rickard K.
인용정보
피인용 횟수 :
0인용 특허 :
18
초록▼
A track assembly for a work vehicle includes an endless track and a drive wheel, the drive wheel defining an inboard side, an outboard side, and a central plane extending therebetween. The drive wheel includes a partition extending between an outer wall and an inner wall. The partition defines an in
A track assembly for a work vehicle includes an endless track and a drive wheel, the drive wheel defining an inboard side, an outboard side, and a central plane extending therebetween. The drive wheel includes a partition extending between an outer wall and an inner wall. The partition defines an inboard division substantially closed off from an outboard division to reduce an amount of debris or other material from reaching the work vehicle adjacent to which the track assembly may be positioned.
대표청구항▼
1. A track assembly having a chassis for a work vehicle, comprising: an endless track including a plurality of longitudinally spaced drive lugs; anda drive wheel rotatably mounted to the chassis and including an inboard side, an outboard side, and a central plane extending therebetween, the drive wh
1. A track assembly having a chassis for a work vehicle, comprising: an endless track including a plurality of longitudinally spaced drive lugs; anda drive wheel rotatably mounted to the chassis and including an inboard side, an outboard side, and a central plane extending therebetween, the drive wheel comprising a radially outer wall defining a plurality of circumferentially spaced features for mechanically engaging the endless track, the features including a plurality of partitions, each partition extending from an inner wall of the outboard side at the central plane to the outer wall of the drive wheel, the outer wall and each partition cooperating to define a perimeter which forms an opening extending only to the outboard side,wherein when a drive lug of the endless track extends through each opening, the partition extends completely about an outer perimeter of the drive lug as the endless track moves over the drive wheel, andwherein debris carried through each opening is urged toward the inner wall of the outboard side such that debris is positioned to move away from the track assembly. 2. The track assembly of claim 1, wherein each partition is formed from a combination of the outer wall, a plurality of spaced-apart spokes, and perimeter walls of the inboard side and the outboard side. 3. The track assembly of claim 1, wherein the partitions meet the radially outer wall on the inboard side of the openings defined by the radially outer wall. 4. The track assembly of claim 1, wherein the drive wheel further comprises a plurality of spokes extending from the inner wall to the radially outer wall. 5. The track assembly of claim 1, wherein each partition defines an angle greater than fifteen degrees with respect to the central plane. 6. The track assembly of claim 2, wherein debris carried through each opening is urged therethrough by a combination of each lug which extends therethrough, perimeter walls, and spokes. 7. The track assembly of claim 1, further comprising a plurality of idler wheels rotatably mounted to the chassis, and wherein the drive wheel is centered at least partially above the plurality of idler wheels. 8. The track assembly of claim 1, wherein a scraper is mounted to the chassis next to the outboard side of the drive wheel, the scraper configured to remove a portion of debris from the outboard side of the drive wheel. 9. A work vehicle comprising: an engine;a transmission in mechanical communication with the engine;a work vehicle chassis supporting the engine and transmission; anda track assembly having a chassis and supported by the work vehicle's chassis and in mechanical communication with the engine and transmission, the track assembly comprising an endless track including a plurality of longitudinally spaced drive lugs; anda drive wheel rotatably mounted to the chassis and including an inboard side, an outboard side, and a central plane extending therebetween, the drive wheel comprising a radially outer wall defining a plurality of circumferentially spaced features for mechanically engaging the endless track, the features including a plurality of partitions, each partition extending from an inner wall of the outboard side at the central plane to the outer wall of the drive wheel, the outer wall and each partition cooperating to define a perimeter which forms an opening extending only to the outboard side,wherein when a drive lug of the endless track extends through each opening, the partition extends completely about an outer perimeter of the drive lug as the endless track moves over the drive wheel, andwherein debris carried through each opening is urged toward the inner wall of the outboard side such that debris is positioned to move away from the track assembly. 10. The work vehicle of claim 9, wherein each partition formed from a combination of a portion of the outer wall, a plurality of spaced-apart spokes, and perimeter walls of the inboard side and the outboard side. 11. The work vehicle of claim 10, wherein the partitions meet the radially outer wall on the inboard side of the openings defined by the radially outer wall. 12. The work vehicle of claim 10, further comprising a plurality of idler wheels rotatably mounted to the chassis, and wherein the drive wheel is centered at least partially above the plurality of idler wheels. 13. The work vehicle of claim 9, wherein the drive wheel further comprises a plurality of spokes extending from the inner wall to the radially outer wall. 14. The work vehicle of claim 10, wherein the debris carried through each opening is urged therethrough by a combination of each lug which extends therethrough, perimeter walls, and spokes. 15. The work vehicle of claim 12, wherein a scraper is mounted to the chassis next to the outboard side of the drive wheel, the scraper configured to remove a portion of debris from the drive wheel. 16. The work vehicle of claim 9, wherein each partition defines an angle greater than fifteen degrees with respect to the central plane.
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