Lock mechanism with disengageable knob

Details Lock mechanism with disengageable knob Lock mechanism with disengageable knob

1976-04-06

1976-11-09

Foss, J. Franklin

Locks

Special application

For closures

70149, 70462, 292 34, E05B 6314

Patent

active

039902773

ABSTRACT:
A lock mechanism with disengageable knob whereby the locking of the mechanism decouples the exterior knob from the latch mechanism to allow the free rotation thereof without damage or detriment to the mechanism. The exterior knob is coupled to a cam member which actuates a spring loaded slide plate, which in turn may pick up a lock mechanism actuating member dependent upon whether the interior lock actuator is in the locked or unlocked position.

REFERENCES:
patent: 1513904 (1924-11-01), Hill
patent: 3101604 (1963-08-01), North et al.
patent: 3390558 (1968-07-01), Tornoe et al.
patent: 3791180 (1974-02-01), Doyle
patent: 3910613 (1975-10-01), Nolin
patent: 3933016 (1976-01-01), Nolin

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