A track system for use as a wheel replacement on a vehicle comprises a first drive wheel configured to be mounted to the vehicle, a first frame pivotally yet non-drivingly mounted to the first drive wheel, a second frame mounted to the first frame, at least a second drive wheel pivotally mounted to
A track system for use as a wheel replacement on a vehicle comprises a first drive wheel configured to be mounted to the vehicle, a first frame pivotally yet non-drivingly mounted to the first drive wheel, a second frame mounted to the first frame, at least a second drive wheel pivotally mounted to the second frame, at least an idler wheel pivotally mounted to the second frame at a second extremity, and at least an endless traction band disposed about the second drive wheel and the idler wheel. The second drive wheel is configured to drivingly engage the traction band. The first drive wheel is operatively coupled to the second drive wheel via a transmission mechanism (e.g. a loop) such that rotation of the first drive wheel causes the rotation of the second drive wheel.
대표청구항▼
1. A track system to be mounted on a vehicle having a rotatable wheel hub structured for mechanical attachment of a ground-engaging wheel thereto, comprising: a first drive wheel assembly structured to be mechanically attached to the rotatable wheel hub of the vehicle when the ground-engaging wheel
1. A track system to be mounted on a vehicle having a rotatable wheel hub structured for mechanical attachment of a ground-engaging wheel thereto, comprising: a first drive wheel assembly structured to be mechanically attached to the rotatable wheel hub of the vehicle when the ground-engaging wheel is removed;a first frame pivotally mounted on the first drive wheel assembly;a second drive wheel assembly rotatably attached to the first frame;a transmission operatively interconnecting the first drive wheel assembly with the second drive wheel assembly, rotation of the first drive wheel assembly causing rotation of the second drive wheel assembly;a second frame attached to the first frame;at least one idler wheel, the at least one idler wheel and the second drive wheel assembly being rotatably attached to the second frame; andan endless traction band disposed about the second drive wheel assembly and the at least one idler wheel, the endless traction band being drivingly engaged by the second drive wheel assembly, whereby rotation of the second drive wheel assembly drives the endless traction band; wherein: the first drive wheel assembly has a rotatable extending shaft, rotation of the wheel hub causing rotation of the rotatable extending shaft;a first drive gear is mounted on the rotatable extending shaft, rotation of the rotatable extending shaft causing rotation of the first drive gear;the second drive wheel assembly is rotatably attached to the first frame via a rotatable axle;a second drive gear is mounted on the axle, rotation of the second drive gear causing rotation of the second drive wheel assembly via rotation of the axle; andthe transmission interconnects the first drive gear with the second drive gear, rotation of the first drive gear causing rotation of the second drive gear via the transmission; andthe second frame is attached to the first frame via the second frame being pivotably mounted on the axle. 2. The track system of claim 1, wherein the transmission is housed by the first frame. 3. The track system of claim 1, wherein the second frame is pivotally connected to the first frame at a pivot point. 4. The track system of claim 3, wherein a suspension component is pivotally connected to the first frame and to the second frame. 5. The track system of claim 1, wherein the second drive wheel assembly is disposed at an extremity of the second frame. 6. The track system of claim 1, wherein the endless traction band forms a closed area enveloping the second drive wheel assembly and the at least one idler wheel. 7. The track system of claim 6, wherein the first drive wheel assembly is located outside of the closed area. 8. The track system of claim 1, further comprising a guiding component, the guiding component slidingly engaging the endless traction band. 9. The track system of claim 8, wherein the guiding component is attached to the first frame. 10. The track system of claim 1, further comprising a free wheel pivotally mounted to the first frame. 11. The track system of claim 1, further comprising at least one support wheel rotatably attached to the frame, the at least one support wheel being disposed between the second drive wheel assembly and the at least one idler wheel. 12. The track system of claim 1, wherein the first frame and the second frame are fixedly attached to one another. 13. The track system of claim 1, wherein the endless traction band is inwardly mounted relatively to the first frame with respect to the vehicle. 14. The track system of claim 1, wherein the endless traction band is outwardly mounted relatively to the first frame with respect to the vehicle. 15. The track system of claim 1, wherein the endless traction band is composed of an inward traction band and an outward traction band disposed inwardly and outwardly relatively to the first frame. 16. The track system of claim 1, wherein the rotatable wheel hub of the vehicle is pivotable with respect to the vehicle to steer the vehicle, and wherein the first drive wheel assembly, the second drive wheel assembly, the transmission and the first frame all pivot together with respect to the vehicle with the rotatable wheel hub. 17. The track system of claim 1, wherein the first frame and the second frame are unitary.
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이 특허에 인용된 특허 (22)
Todd, André; Handfield, Robert; Bessette, Robert; Olson, Chad, Anti-torque system for a traction assembly.
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