|국가/구분||United States(US) Patent 등록|
|발명자 / 주소|
|출원인 / 주소|
|대리인 / 주소||
|인용정보||피인용 횟수 : 5 인용 특허 : 28|
A drive system has a drive-system frame operatively connectable to a vehicle. The drive-system frame is capable of pivotal movement relative to the longitudinal axis of the vehicle to steer the vehicle. The drive-system frame is incapable of pivotal movement with respect to the frame of the vehicle in a plane parallel to the longitudinal axis and normal to the ground when the vehicle is on flat level terrain and steered straight. A rail is pivotally mounted to the drive-system frame. A ground-engaging endless belt is in sliding engagement with the rail. ...
The invention claimed is: 1. A drive system suitable for use on a vehicle having:a frame having a front portion, a rear portion and a longitudinal axis;an engine supported by the frame;a seat supported by the frame to accommodate a rider; anda manually-operable steering device connected to the frame to accept steering input from the rider;the drive system comprising:a drive-system frame operatively connectable to the frame of the vehicleso as to be capable of pivotal movement with respect to the frame of the vehicle relative to the longitudinal axis of t...