B - Operations – Transporting – 62 – D
Patent
B - Operations, Transporting
62
D
B62D 11/10 (2006.01) B60F 3/00 (2006.01) B62D 11/08 (2006.01) F16H 48/22 (2006.01) F16H 48/30 (2006.01) F16H 57/08 (2006.01)
Patent
CA 2712337
On an amphibious ATV, a triple-differential transmission is combined a continuously-variable drive. The gearbox can be set at a low ratio, for negotiation of difficult terrain, and at a high ratio for cruising trails. The high-low shift mechanism is located upstream, in the drive train, of the forward-reverse shift mechanism. Both mechanisms are located upstream of the steer--differential and of the two wheel-differentials. Main power from the engine is passed, through the mechanisms, directly to a wheel--ring that is common to both wheel-differentials. The common wheel-ring is bearing'd, not from the gearbox housing, but from the wheel-shafts, which are themselves bearing'd into the gearbox housing. Similarly, the steer-diff-housing is bearing'd, not from the gearbox housing, but from the steer-shafts, which are themselves bearing'd from the gearbox housing, which makes for a compact, narrow, layout of the gearbox -- well suited to the ATV. The steer-brake-disks are located on the steer-shafts, and are positioned outside the gearbox housing.
Asquith Anthony
Ontario Drive & Gear Limited
LandOfFree
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