Lock mechanism

Details Lock mechanism Lock mechanism

1981-08-13

1984-02-07

Wolfe, Robert L.

Locks

Special application

For closures

70150, 70472, 70218, E05B 5506

Patent

active

044295561

ABSTRACT:
There is disclosed a knob control arrangement or system whereby the status of a knob associated with a lock mechanism can be controlled from exteriorly of the lock housing and can be selectively rendered active-operable or passive-inoperable. In this regard, when in the passive-inoperable condition, the knob will merely rotate relative to the housing without imparting force or stress to the lock components. This mode of operation is achieved by providing a knob hub rotatably mounted to the lock housing to which a knob member may be affixed. Interiorly of the housing, the knob hub will move relative to a main cam member used to effect operation of the lock mechanism. The knob control arrangement includes means for selectively interconnecting and disconnecting the knob hub and the main cam member, such that when connected, an active-operable condition is attained, and when disconnected, the passive-inoperable mode is achieved.

REFERENCES:
patent: 3999411 (1976-12-01), Kambic
patent: 4237711 (1980-12-01), Kambic

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