Lock cylinder plug stop

Details Lock cylinder plug stop Lock cylinder plug stop

1977-07-11

1979-02-13

Wolfe, Robert L.

Locks

Operating mechanism

Key

70DIG62, E05B 1500

Patent

active

041388704

ABSTRACT:
A lock cylinder having a key plug stop comprising an elongated arcuately formed wire received in an annular groove in the key plug. One end portion of the wire stop is retained in a slot in the cylinder shell. Opposite end portions of the stop are disposed in the path of the key and cooperate with the key to limit rotation of the plug relative to the cylinder shell. The stop may be assembled with the plug in either of two positions to selectively limit angular movement of the plug in either a clockwise or counterclockwise direction from a key withdrawal position.

REFERENCES:
patent: 1487900 (1924-03-01), Teich
patent: 1598551 (1926-08-01), Brauning
patent: 2804765 (1957-09-01), Biblin
patent: 3439516 (1969-04-01), Quillen

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