Ignition interlock mechanism for a column-mounted shift control

Details Ignition interlock mechanism for a column-mounted shift control Ignition interlock mechanism for a column-mounted shift control

1992-12-21

1994-04-05

Herrmann, Allan D.

Machine element or mechanism

Rotary member or shaft indexing, e.g., tool or work turret

Preselected indexed position

74483R, 70248, B60K 4104, G05G 508

Patent

active

052994708

ABSTRACT:
A column-mounted shift control assembly includes a gate and mounting bracket, a shift lever unit rotatably mounted on the bracket, a shift handle pivotally mounted on the shift lever unit, and resilient means for urging the terminal end of the shift handle toward the bracket. The latter includes a planar gate portion having detents formed on an edge thereof for selective cooperation with the shift handle terminal end to select a desired transmission shift position. An ignition interlock mechanism cooperates with the terminal end of the shift handle to prevent its movement out of the Park detent position unless the ignition switch key is turned on, and further prevents the ignition switch from being turned back to Lock unless the terminal end is in Park position, thus preventing key extraction.

REFERENCES:
patent: 4724722 (1988-02-01), Beauch et al.
patent: 4821605 (1989-04-01), Dzioba
patent: 4854193 (1989-08-01), Newman et al.
patent: 5040434 (1991-08-01), Behrens

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