A snow vehicle is disclosed comprising a vehicle frame, a propulsion unit coupled to the frame, and a front ski steered by a steering mechanism. The front of the vehicle includes a first front suspension and a second front suspension coupled to the ski. The rear suspension includes a bumper assembly
A snow vehicle is disclosed comprising a vehicle frame, a propulsion unit coupled to the frame, and a front ski steered by a steering mechanism. The front of the vehicle includes a first front suspension and a second front suspension coupled to the ski. The rear suspension includes a bumper assembly preventing bottoming out of the rear suspension. The rear suspension is coupled to the vehicle frame such that the longitudinal spacing between the vehicle frame and rear suspension is adjustably controllable.
대표청구항▼
1. A snow vehicle comprising: a vehicle frame;a propulsion unit coupled to the frame;at least one front ski;a steering mechanism coupled to the frame;a first front suspension coupled to the frame;a second front suspension coupled to the at least one ski;a rear suspension coupled to the frame, the re
1. A snow vehicle comprising: a vehicle frame;a propulsion unit coupled to the frame;at least one front ski;a steering mechanism coupled to the frame;a first front suspension coupled to the frame;a second front suspension coupled to the at least one ski;a rear suspension coupled to the frame, the rear suspension comprising: at least one slide rail;at least one control arm coupled between the slide rail and the frame;at least linear force element coupled between the slide rail and the frame; andat least one carrier roller coupled to the at least one slide rail and the frame; anda drive system comprising a drive track slidably guided by the at least one slide rail and drivably coupled to the propulsion unit;wherein a longitudinal spacing between the vehicle frame and rear suspension is adjustably controllable. 2. The snow vehicle of claim 1, wherein the rear suspension comprises a suspension frame. 3. The snow vehicle of claim 2, wherein the vehicle frame is a motorcycle frame and the suspension frame is coupled to the motorcycle frame. 4. The snow vehicle of claim 3, wherein drive system comprises an input drive shaft and an endless drive mechanism coupling the propulsion unit to the drive shaft. 5. The snow vehicle of claim 4, wherein the endless drive mechanism is a chain coupling a sprocket of the propulsion unit to the drive shaft. 6. The snow vehicle of claim 5, wherein the longitudinal spacing is adjustably controllable by way of a chain tensioner coupled to the suspension frame at a forward end thereof and to the vehicle frame. 7. The snow vehicle of claim 6, wherein the chain tensioner comprises at least one first portion, at least one second portion, and a mounting portion coupled to the at least one second portion, wherein the at least one second portion is movable relative to the at least one first portion to vary a distance between the mounting portion and the remainder of the frame. 8. The snow vehicle of claim 7, wherein the first portion is a first elongate portion, and the second portion is a second elongate portion, and fasteners coupling the at least one first elongate portion and at least one second elongate portion together. 9. The snow vehicle of claim 8, wherein the at least one first elongate portion is a first elongate bar having mounting apertures, and the at least one second elongate portion is a second elongate bar having mounting apertures. 10. The snow vehicle of claim 9, wherein one of the elongate bars is slidably received over the other of the elongate bars. 11. The snow vehicle of claim 8, wherein the at least one first elongate portion is a first elongate bar having mounting apertures, and the mounting apertures on one of the elongate bars are slotted in the elongate direction. 12. A rear suspension for a snow vehicle comprising: at least one slide rail;a frame;at least one control arm coupled between the slide rail and the frame;at least linear force element coupled between the slide rail and the frame;at least one carrier roller coupled to one of the slide rail and the frame;a drive system comprising a drive track slidably guided by the at least one slide rail and drivably coupled to the propulsion unit; anda chain tensioner coupled to the frame at a forward end thereof, the chain tensioner comprising at least one first elongate portion, at least one second elongate portion, a mounting portion coupled to the at least one second elongate portion, and fasteners coupling the at least one first elongate portion and at least one second elongate portion together, wherein the at least one second elongate portion is movable relative to the at least one first elongate portion to vary a distance between the mounting portion and the remainder of the frame. 13. The rear suspension of claim 12, wherein the at least one first elongate portion is a first elongate bar having mounting apertures, and the at least one second elongate portion is a second elongate bar having mounting apertures, and wherein one of the elongate bars is slidably received over the other of the elongate bars. 14. The rear suspension of claim 12, wherein the at least one first elongate portion is a first elongate bar having mounting apertures, and the mounting apertures on one of the elongate bars are slotted in the elongate direction. 15. A snow vehicle comprising: a vehicle frame;a foot peg positioned on the vehicle frame for a rider's foot;a propulsion unit coupled to the frame;at least one front ski;a steering mechanism coupled to the frame;a front suspension coupled to the frame;a rear suspension coupled to the vehicle frame, the rear suspension comprising: a suspension frame;at least one slide rail;at least one control arm coupled between the slide rail and the frame;at least linear force element coupled between the slide rail and the frame; andat least one carrier roller coupled to the at least one slide rail and the frame;a drive system comprising a drive track slidably guided by the at least one slide rail and drivably coupled at a drive axis (A1) to the propulsion unit;wherein a vertical distance (Y) between a top of the foot peg to the drive axis (A1) is less than 5″ (inches), and a horizontal distance (X) between the drive axis (A1) and a center of the foot peg is less than 9″ (inches). 16. The snow vehicle of claim 15, wherein the dimension X is in the range of 6.222″-7.922″. 17. The snow vehicle of claim 16, wherein the dimension X is in the range of 7.000″-7.500″. 18. The snow vehicle of claim 17, wherein the dimension X is approximately 7.4″. 19. The snow vehicle of claim 15, wherein the dimension Y is in the range of 3.400″-5.400″. 20. The snow vehicle of claim 19, wherein the dimension Y is in the range of 3.750″-4.500″. 21. The snow vehicle of claim 20, wherein the dimension Y is approximately 3.9″.
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이 특허에 인용된 특허 (16)
Yasui Toshihiro (Coon Rapids MN) Warnke Wayne L. (Coon Rapids MN), Anti-rolling system for snowmobile of small size.
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