B - Operations – Transporting – 60 – K
Patent
B - Operations, Transporting
60
K
74/92
B60K 17/34 (2006.01) B60K 17/344 (2006.01) B60K 23/08 (2006.01)
Patent
CA 1255121
VEHICLE GEAR ASSEMBLY FOR TORQUE TRANSFER TO TWO OR FOUR-WHEELS ABSTRACT A gear assembly for selectively shifting the driving torque in an engine driven vehicle to either a 2 or 4-wheel high mode while in motion, or from a neutral position to a 4-wheel low mode and return. The assembly has five main gears including an input set of two and an output set of three constant mesh gears rotatably mounted in fixed positions and a synchronizer in between the two sets in selective driving association with the output gear set. Selective transfer of torque from the input drive to the assembly to either or both the front and rear output shafts is effected by operation of a single shift rod which in turn moves a single fork both for activation of the synchronizer and for shifting the assembly into its 2 and 4-wheel high, neutral and 4-wheel low drive positions through interconnecting gear clutch collars. A poppet member arrangement in the form of a poppet ball or slug provides an interlocking connection between clutch collars for their positive positioning in the drive positions manually selected by way of the shift rod. 23
502004
Dana Corporation
Ridout & Maybee Llp
LandOfFree
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