Multistation lock

Details Multistation lock Multistation lock

1981-10-13

1984-10-02

Wolfe, Robert L.

Locks

Operating mechanism

Key

70347, 70364R, E05B 2902, E05B 3500

Patent

active

044740425

ABSTRACT:
A multistation lock including: a housing; a plug rotatable in the housing between a lock position and first and second stations; a keyway in the plug; locking tumbler means for coupling the plug and housing and being biased into a locking position and being movable to a shear position by a proper key in the keyway; and a code track in the housing, the track having a different code segment for each station for engaging a code section of a key shoulder, including a first code segment for the first station for enabling a first key having a code section receivable by the first code segment to move between the lock position and the first station, and a second code segment for the second station for enabling a second key having a code section receivable by the second code segment to move between the lock position and the second station.

REFERENCES:
patent: 1280633 (1918-10-01), Baird
patent: 1785634 (1930-12-01), Lawrence
patent: 2580882 (1952-01-01), Blohm
patent: 3973421 (1976-08-01), Patriquin
patent: 4057987 (1977-11-01), Patriquin
patent: 4075879 (1978-02-01), Christopher
patent: 4302957 (1981-12-01), Wolter

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