|국가/구분||United States(US) Patent 등록|
|발명자 / 주소|
|출원인 / 주소|
|인용정보||피인용 횟수 : 29 인용 특허 : 6|
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.
[ 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 idl...