Shift rail lock-out mechanism

Details Shift rail lock-out mechanism Shift rail lock-out mechanism

1987-05-04

1988-02-23

Herrmann, Allan D.

Machine element or mechanism

Control lever and linkage systems

Multiple controlled elements

G05G 510

Patent

active

047262508

ABSTRACT:
A shift rail lock-out mechanism for a manual transmission having left and right pairs of shift rails arranged in a symmetrical manner about a medial plane. A lock-out frame member defines a rectangular-shaped opening through which said pairs of rails extend for individual reciprocal travel therein. A pair of left and right shuttle blocks are supported in the frame member opening such that each shuttle block is captured between its associated pair of rails and adapted to slide relative thereto. The frame member includes left and right internal locking edges while each shuttle block has inner and outer locking edges. The locking edges cooperate with opposed camming recesses in the rails for concurrent tansverse movement to insure travel of only one rail at a time during the shifting operation.

REFERENCES:
patent: 1537584 (1925-05-01), Carhart
patent: 3104558 (1963-09-01), Herr, Jr.
patent: 4633729 (1987-01-01), Scalisi et al.
patent: 4633730 (1987-01-01), Scalisi et al.

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