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 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 positioned intermediate the first front suspension and the at least one ski;the ski be
1. A snow vehicle comprising: a 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 positioned intermediate the first front suspension and the at least one ski;the ski being coupled to the second suspension at a ski coupling pointthe first front suspension allowing relative motion between the frame and the second front suspension, the second front suspension allowing relative motion between the first front suspension and the ski coupling point;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 a drive system comprising a drive track slidably guided by the at least one slide rail and drivably coupled to the propulsion unit. 2. The snow vehicle of claim 1, wherein the frame is comprised of a front frame portion and a rear frame portion. 3. The snow vehicle of claim 2, wherein the front frame portion is a motorcycle frame and the rear frame portion is coupled to the motorcycle frame and the rear suspension is coupled to the rear frame portion. 4. The snow vehicle of claim 3, wherein the first front suspension is a linear force element on a front fork of the motorcycle frame. 5. The snow vehicle of claim 4, wherein the second front suspension is coupled to an end of the front fork of the motorcycle frame. 6. The snow vehicle of claim 5, wherein the second front suspension comprises a spindle body and at least one control arm coupled to the ski. 7. The snow vehicle of claim 6, wherein the second front suspension further comprises a knuckle coupled to the ski, and the at least one control arm comprises two control arms coupled between the knuckle and the spindle, and a linear force element coupled between the knuckle and the spindle. 8. The snow vehicle of claim 7, wherein the two control arms extend from the spindle in a generally rearward direction, and wherein the two control arms upon collapse, move the ski rearwardly and upwardly. 9. The snow vehicle of claim 2, wherein the front frame portion is a bulkhead and the rear frame portion is a tunnel and the rear suspension is coupled to the tunnel. 10. The snow vehicle of claim 9, wherein the first front suspension comprises right upper and lower control arms, left upper and lower control arms and right and left linear force elements coupled between the bulkhead and one of the right and left upper and lower control arms. 11. The snow vehicle of claim 10, wherein the second front suspension comprises a spindle body and at least one control arm coupled to the ski. 12. The snow vehicle of claim 11, wherein the second front suspension further comprises a knuckle coupled to the ski, and the at least one control arm comprises two control arms coupled between the knuckle and the spindle, and a linear force element coupled between the knuckle and the spindle. 13. The snow vehicle of claim 12, wherein the two control arms extend from the spindle in a generally rearward direction, and wherein the two control arms upon collapse, move the ski rearwardly and upwardly. 14. The snow vehicle of claim 1, wherein the steering mechanism is coupled to the first suspension. 15. The snow vehicle of claim 14, wherein the first suspension is a linear force element. 16. The snow vehicle of claim 1, wherein the steering mechanism is coupled to the second suspension. 17. The snow vehicle of claim 16, wherein the second suspension comprises two control arms coupled to the frame and a linear force element coupled between the frame and at least one of the control arms. 18. The snow vehicle of claim 16, wherein the second suspension comprises a trailing arm suspension. 19. A snow vehicle comprising: a frame comprising a front frame portion and a rear frame portion, wherein the front frame portion is a bulkhead and the rear frame portion is a tunnel and the rear suspension is coupled to the tunnel;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, the first front suspension comprising right upper and lower control arms, left upper and lower control arms and right and left linear force elements coupled between the bulkhead and one of the right and left upper and lower control arms;a second front suspension positioned intermediate the first front suspension and 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 a drive system comprising a drive track slidably guided by the at least one slide rail and drivably coupled to the propulsion unit. 20. The snow vehicle of claim 19, wherein the second front suspension comprises a spindle body and at least one control arm coupled to the ski. 21. The snow vehicle of claim 20, wherein the second front suspension further comprises a knuckle coupled to the ski, and the at least one control arm comprises two control arms coupled between the knuckle and the spindle, and a linear force element coupled between the knuckle and the spindle. 22. The snow vehicle of claim 21, wherein the two control arms extend from the spindle in a generally rearward direction, and wherein the two control arms upon collapse, move the ski rearwardly and upwardly.
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이 특허에 인용된 특허 (15)
Yasui Toshihiro (Coon Rapids MN) Warnke Wayne L. (Coon Rapids MN), Anti-rolling system for snowmobile of small size.
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