Inhibitor for coincidental lock

Details Inhibitor for coincidental lock Inhibitor for coincidental lock

1989-05-12

1990-07-03

Wolfe, Robert L.

Locks

Special application

For automotive vehicles

70186, B60R 2502

Patent

active

049380435

ABSTRACT:
An inhibitor in an automobile steering column coincidental lock of the type having a stationary armored sleeve and a key controlled barrel in the sleeve rotatable in an unlocking direction from a LOCK position to and through an OFF position and in a locking direction from the OFF position to the LOCK position. The inhibitor includes a stepped annular shoulder on the barrel facing an annular end face on the sleeve, a blocking pin on the sleeve biased against the annular end face, and a release pin on the barrel adjacent the step in the annular shoulder. The blocking pin intercepts the step in the annular shoulder in the OFF position of the barrel to prevent attainment of the LOCK position. A finger button on the barrel is depressed by the driver to move the release pin to an extended position pushing the blocking pin into the sleeve out of the way of the step to permit rotation of the barrel to its LOCK position. The inhibitor cannot be defeated by pushing the finger button ahead of the OFF position of the barrel.

REFERENCES:
patent: 3648490 (1972-03-01), Kimberlin et al.
patent: 3673829 (1972-07-01), Mizuno
patent: 3702550 (1972-11-01), Shimizu
patent: 3789636 (1974-02-01), Nakashima
patent: 3828594 (1974-08-01), Yamamoto
patent: 3916658 (1975-11-01), Barry
patent: 4029168 (1977-06-01), Kramer
patent: 4332306 (1982-06-01), Turatti
patent: 4487042 (1984-12-01), Mochida et al.

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