Locks – Operating mechanism – Key
Patent
1984-03-30
1986-05-13
Wolfe, Robert L.
Locks
Operating mechanism
Key
70377, 70392, E05B 2500
Patent
active
045878153
ABSTRACT:
A lock for use with a nonrotating, flexible sheet key having holes positioned according to a pattern. The lock has a plurality of plates independently slidable for movement along a path generally transverse to the key. Each plate has a pin at a selected location along an edge toward the key for engagement therewith. The pins are aligned according to the key hole pattern to have some of the pins enter into the holes and others contact the body upon movement of the plates toward the key for placing each plate in a consent position. Each plate has an aperture for coincidence with the apertures of the other plates when moved into their respective consent positions for forming a lateral opening. An arm extends through the apertures and is laterally movable within the lateral opening to indicate an unlocked condition. Several plates have a portion extending transverse to the lateral opening and positionable to limit the length of the lateral opening if not in the consent position and inhibit lateral movement of the arm to indicate a locked condition. The arm engages another plate portion to move the plates away from the key during its insertion.
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