초록 ▼

To make a rear cushion device compact and lightweight, a rear cushion device is accommodated inside a track belt of an endless track device and includes a separate damper and cushion spring. The damper is slightly inclined downward towards the front side and is supported at its upper end by a floor.

To make a rear cushion device compact and lightweight, a rear cushion device is accommodated inside a track belt of an endless track device and includes a separate damper and cushion spring. The damper is slightly inclined downward towards the front side and is supported at its upper end by a floor. The cushion spring is positioned substantially upright in its compressed state.

대표청구항 ▼

[ What is claim is:] [1.] A snowmobile, comprising:an endless track device having a drive wheel supported by a vehicle body of the snowmobile;swing arms pivotally supported at an upper end thereof to the vehicle body;a pair of side rails pivotally mounted to a lower end of said swing arms and extend

[ What is claim is:] [1.] A snowmobile, comprising:an endless track device having a drive wheel supported by a vehicle body of the snowmobile;swing arms pivotally supported at an upper end thereof to the vehicle body;a pair of side rails pivotally mounted to a lower end of said swing arms and extending in a longitudinal direction of the vehicle body;first and second idlers respectively supported by a frort portion and a rear portion of said side rails;a third idler supported by the vehicle body;a track belt wrapped around said first, second and third idlers and said drive wheel;a rear cushion device absorbing a shock from a snow surface, said rear cushion device including a damper and a resilient member wherein said damper is separately provided from said resilient member such that upper ends of said damper and said resilient member are mounted at different locations on the vehicle body,said damper inclined in the longitudinal direction of the vehicle body,said resilient member inclined in the longitudinal direction of the vehicle body in a non-compressed state and substantially perpendicular to said side rail in a compressed state; anda lower supporting member mounted to said side rails, said lower supporting member commonly supporting both a lower end of said damper and a lower end of said resilient member.