Plunger lock mechanism

Details Plunger lock mechanism Plunger lock mechanism

1988-02-04

1989-08-08

Gall, Lloyd A.

Locks

Special application

For closures

70360, 70369, E05B 6508

Patent

active

048541400

ABSTRACT:
An improved plunger lock mechanism in which a shell is supported within a lock casing for movement to and from a locked position, the shell carrying a plug lock which is rotatable relative to the shell upon insertion of an appropriate key. The plug lock carries a bolt which is movable outwardly to latching engagement with a latch shoulder provided in the casing. A cam surface is so disposed in the casing as to urge the bolt inwardly from its latching position to a retracted position upon rotation of the plug lock, thereby permitting release of the shell from its locked position.

REFERENCES:
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patent: 592606 (1897-10-01), Draullette et al.
patent: 1342728 (1920-06-01), Welch
patent: 1951418 (1934-03-01), Jacobi
patent: 2098012 (1937-11-01), Papst
patent: 2648973 (1953-08-01), Spain
patent: 3234765 (1966-02-01), Kerr
patent: 3304755 (1967-02-01), Johnstone
patent: 3345838 (1967-10-01), Russell et al.
patent: 3420077 (1969-01-01), Drazin
patent: 3668906 (1972-06-01), Josephart
patent: 3765196 (1973-10-01), Balicki
patent: 4009599 (1977-03-01), Patrquin
patent: 4398405 (1983-08-01), Patriquin
patent: 4689976 (1987-09-01), Larsen
patent: 4712400 (1987-12-01), Steinbach

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