All-wheel drive free-wheel mechanism for a motor vehicle

Details All-wheel drive free-wheel mechanism for a motor vehicle All-wheel drive free-wheel mechanism for a motor vehicle

1993-06-07

1995-07-04

Wright, Dirk

Wood turning

Turning tools

180247, B60K 17354, F16D 1114

Patent

active

054292212

ABSTRACT:
A free wheel mechanism for alternately engaging and disengaging a coupler (102) that driveably connects and release an axle shaft (92) to an intermediate shaft (78), which is driven by one output of a axial differential mechanism (30). A vacuum motor (116) moves an actuating shaft (118) substantially parallel to the axle shaft between engaged and disengaged positions of the actuator. A lever (124), connected to the actuating shaft for axial displacement, is pinned to a pivot shaft (126) supported rotatably on the differential housing. A shift fork (144), fixed to the pivot shaft for rotation with the pivot shaft, includes arms (146, 148) that extend radially and engage the sliding coupler (102), which is supported on spline teeth (94) at the end of the intermediate shaft for sliding engagement with spline teeth (98) formed on the outer surface of a connecting hub (96) fixed to the axle shaft. Axial displacement of the actuating shaft (118) turns the pivot shaft (126) and causes the shift fork ( 144) to slide the coupler (102) axially between the engaged and disengaged positions.

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