Lock using non-rotating perforated plate key

Details Lock using non-rotating perforated plate key Lock using non-rotating perforated plate key

1979-09-21

1981-09-08

Wolfe, Robert L.

Locks

Special application

For closures

70352, E05B 5504, E05B 2100

Patent

active

042877377

ABSTRACT:
A lock mechanism operated by a slidable non-rotating perforated plate key having perforations disposed at random points thereon. The lock mechanism employs a slidable lock bolt controlled by a rotatable handle. A transversely slidable control rod is engageable within a groove formed in the lock bolt for holding the latter locked in its latched position. The control rod slidably extends through an opening formed in a transversely movable operating rod, the latter being spring-urged into a position of engagement with the control rod to normally maintain the control rod in its position of engagement within the groove. The plate key slidably coacts with the operating rod to displace same whereby it releases the control rod, whereupon the control rod is spring-urged downwardly through the opening in the operating rod so as to withdraw the control rod from the groove, thereby unlocking the lock bolt.

REFERENCES:
patent: 2692495 (1954-10-01), Verdan
patent: 3681953 (1972-08-01), Luttrall
patent: 4007615 (1977-02-01), Nossum
patent: 4149394 (1979-04-01), Sornes

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