IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
US-0061117
(2005-02-18)
|
등록번호 |
US-7360618
(2008-04-22)
|
발명자
/ 주소 |
- Hibbert,Kirk D.
- Ebert,Russell
|
출원인 / 주소 |
|
대리인 / 주소 |
Black Lowe & Graham, PLLC
|
인용정보 |
피인용 횟수 :
7 인용 특허 :
3 |
초록
▼
A snowmobile track suspension is disclosed. The track suspension includes a chassis, a skid frame, a front arm, an idler arm, and a rear arm. The chassis includes a tunnel. The skid frame includes rails along which the track rides. The front arm has a forward end pivotally and slidably connected to
A snowmobile track suspension is disclosed. The track suspension includes a chassis, a skid frame, a front arm, an idler arm, and a rear arm. The chassis includes a tunnel. The skid frame includes rails along which the track rides. The front arm has a forward end pivotally and slidably connected to the tunnel. The front arm also includes a rearward end pivotally connected to the rails. The idler arm includes a forward end pivotally connected to the tunnel and a rearward end connected to the rear arm. Such connection is at the upper end of the rear arm, with the lower end of the rear arm pivotally coupled to the rails.
대표청구항
▼
The embodiments of the invention in which an exclusive property or privilege is claimed are defined as follows: 1. A track suspension for a snowmobile having a chassis and a skid frame with at least one rail, the track suspension comprising: a. a front arm having a first end pivotally coupled to th
The embodiments of the invention in which an exclusive property or privilege is claimed are defined as follows: 1. A track suspension for a snowmobile having a chassis and a skid frame with at least one rail, the track suspension comprising: a. a front arm having a first end pivotally coupled to the chassis and a second end pivotally coupled to the rail, at least one of said first and second ends being coupled with a front-arm link, said front-arm link allowing both pivotal and translational movement of at least one of said first and second ends of said front arm; and b. a rear arm having a first end pivotally coupled to said chassis and a second end pivotally coupled to said rail, at least one of said first and second ends being coupled with a rear-arm link. 2. The track suspension of claim 1, wherein said front-arm link is a slider link. 3. The track suspension of claim 1, wherein said rear-arm link is an idler arm pivotally interconnected between said chassis and said rear arm. 4. The track suspension of claim 3, further comprising a coupler block fixed to said rail, said coupler block limiting movement of said rear arm. 5. The track suspension of claim 3, wherein said snowmobile has fore and rear portions and wherein said front arm first end is coupled to said chassis forward of said second end coupled to said rail. 6. The track suspension of claim 1, wherein said slider link comprises a channel formed in at least one of the first and second ends of said front arm. 7. The track suspension of claim 6, wherein said channel forms a "U" shape having an open outer end. 8. The track suspension of claim 6, wherein said channel is formed in the first end of said front arm. 9. The track suspension of claim 8, wherein said channel forms a "U" shape having an open outer end, said outer end being slidably coupled to a pivot bushing fixed to said chassis. 10. The track suspension of claim 8, wherein the snowmobile has fore and rear portions and wherein said front arm first end is coupled to said chassis forward of said second end coupled to said rail. 11. The track suspension of claim 6, wherein said front arm has a longitudinal axis and wherein said channel has a slide path generally aligned with said longitudinal axis of said front arm. 12. The track suspension of claim 1, wherein said first end of said front arm is coupled to the chassis with a front-arm link. 13. The track suspension of claim 12, wherein the snowmobile has fore and rear portions and wherein said front arm first end is coupled to said chassis forward of said second end coupled to said rail. 14. The track suspension of claim 13, wherein said rear-arm link is interconnected between said chassis and said rear arm. 15. The track suspension of claim 14, wherein said rear-arm link is an idler arm having a first end pivotally coupled to said chassis and a second end pivotally coupled to said rear arm. 16. The track suspension of claim 15, wherein said front-arm link is a slide coupling. 17. The track suspension of claim 15, further comprising a coupler block fixed to said rail, said coupler block limiting rearward movement of said rear arm. 18. A snowmobile track suspension comprising: a. a chassis having a tunnel; b. a skid frame having at least one rail; c. a front arm having an upper end pivotally coupled to said tunnel and a lower end pivotally coupled to said rail, at least one of said upper and lower ends being coupled with a link, said link allowing both pivotal and translational movement of at least one of said upper and lower ends of said front arm; and d. a rear arm having an upper end pivotally coupled to said tunnel and a lower end pivotally coupled to said rail, at least one of said upper and lower ends being coupled with a link. 19. The snowmobile track suspension of claim 18, wherein said front-arm link is a slide link. 20. The snowmobile track suspension of claim 19, wherein said slide link is secured to the first end of said front arm. 21. The snowmobile track suspension of claim 19, wherein said slide link comprises a channel fixed to said front arm. 22. The snowmobile track suspension of claim 21, wherein said front arm has a longitudinal axis, said channel allowing translational movement along a path generally parallel to said front arm longitudinal axis. 23. The snowmobile track suspension of claim 21, wherein said channel includes an outer open end. 24. The snowmobile track suspension of claim 19, wherein said rear-arm link is an idler arm having a first end pivotally coupled to said tunnel and a second end pivotally coupled to said rear arm. 25. The snowmobile track suspension of claim 24, further comprising a coupler block secured to said rail, said coupler block being disposed adjacent said rear link to limit rearward movement of said rear link. 26. A snowmobile track suspension comprising: a. a chassis having a tunnel; b. a skid frame having rails; c. a front arm having a forward end pivotally and slidably connected to said tunnel and a rearward end pivotally connected to said rails; d. an idler arm having a forward end pivotally connected to said tunnel and a rearward end; and e. a rear arm having an upper end pivotally connected to said idler arm and a lower end pivotally coupled to said rails. 27. The snowmobile track suspension of claim 26, wherein the slidable connection between said front arm and said tunnel comprises a channel fixed to the forward end of said front arm. 28. The snowmobile track suspension of claim 27, wherein said front arm has a longitudinal axis and wherein said channel is configured to allow translational movement along a path generally parallel to said front arm longitudinal axis. 29. A track suspension for a snowmobile having a chassis and a skid frame with at least one rail having a longitudinal axis, the snowmobile having a forward end and a rearward end, the track suspension comprising a front linkage arm having a first end coupled to the chassis and a second end coupled to the rail, said ends being pivotally coupled to the chassis and rail about axes substantially transverse to the longitudinal axis of the rail, wherein at least one of said first and second ends is slidably coupled so as to move forward and rearward relative to at least one of the chassis and the skid frame. 30. The track suspension of claim 29, wherein said first end of said front linkage arm is slidably coupled to the chassis. 31. The track suspension of claim 30, wherein said first end of said linkage includes a channel, said channel being slidably coupled to the chassis. 32. The track suspension of claim 31, wherein said linkage arm has a longitudinal axis and wherein said channel is configured to allow translational movement along a path generally parallel to said front arm longitudinal axis. 33. The track suspension of claim 29, further comprising a rear linkage arm coupled between said chassis and said rail. 34. The track suspension of claim 33, further comprising a loss-motion connector link secured to said second linkage arm. 35. The track suspension of claim 34, wherein said loss-motion connector link comprises a loss-motion link arm secured between said second linkage arm and said chassis.
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