Shift assembly for a single fork shift assembly

Details Shift assembly for a single fork shift assembly Shift assembly for a single fork shift assembly

2005-09-13

2005-09-13

Fenstermacher, David M. (Department: 3682)

Machine element or mechanism

Control lever and linkage systems

Multiple controlled elements

C074S473360

Reexamination Certificate

active

06941833

ABSTRACT:
A shift assembly for a transfer cases, manual and semi-automatic transmissions comprises a drive motor having a worm gear output which engages and drives a gear having an eccentric drive pin disposed parallel to and offset from the axis of a rotation of the gear. The drive pin engages a slot in a shift fork which extends normal to the axis of movement of the shift fork and associated speed change or gear shift mechanism. The shift fork is disposed upon and supported by a shift rail. Uni-directional or bi-directional rotation of the drive motor rotates the gear and sequentially moves the eccentric pin, shift fork and shift mechanism between first and second terminal positions and, typically, a center or intermediate, neutral position.

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