Cylinder lock

Details Cylinder lock Cylinder lock

1980-07-02

1983-07-19

Wolfe, Robert L.

Locks

Operating mechanism

Key

70364A, 70406, 70409, E05B 1906, E05B 2706

Patent

active

043936733

ABSTRACT:
A cylinder lock with a cylinder core rotatable in a housing, a side bar in a recess extending axially in a peripheral part of the cylinder core and biassed outwardly to engage a recess in the housing which is shaped to retract the side bar upon turning the cylinder core, the side bar having a number of lugs which must engage in waisted portions of locking pins of a row thereof guided in bores in the cylinder core to permit retraction of the side bar. The waisted portions of the pins are identically positioned with respect to ends thereof, and the lugs are differently positioned on the side bar, the side bar having guide portions which extend between the locking pins when the side bar is retracted and which engage guide surfaces to resist any tendency for the side bar to become misaligned or jammed.

REFERENCES:
patent: 2035181 (1936-03-01), Molinare
patent: 2157142 (1939-05-01), Olson
patent: 2426104 (1947-08-01), Johnstone
patent: 3722240 (1973-03-01), Spain
patent: 4222252 (1980-09-01), Tietz

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