Locks – Operating mechanism – Key
Patent
1984-09-04
1987-01-06
Wolfe, Robert L.
Locks
Operating mechanism
Key
70372, 70DIG36, 70DIG62, 200 4308, 200 6166, H01H 2706, E05B 1704
Patent
active
046336893
ABSTRACT:
An actuating structure is provided for a switch lock having a barrel with a plug which is key actuated for rotation therein. An actuator interconnects the rotatable plug with a rotatable shaft of the switch and cooperates with a rotatable stop plate connected to a return spring. Specifically, an actuator lug and a stop plate surface which engage upon rotation of the plug in one direction to turn the switch momentarily from the first position to a second position against the action of the spring. The actuator also rotates in the opposite direction independently of the stop plate to turn the switch from the first to a third position.
REFERENCES:
patent: 1714426 (1929-05-01), Kuepfer
patent: 3270151 (1966-08-01), Godette
patent: 3595039 (1971-07-01), Juy
patent: 3914967 (1975-10-01), Arman
patent: 4227056 (1980-10-01), Johnston et al.
patent: 4309882 (1982-01-01), Maiocco
patent: 4427852 (1984-01-01), Wolniak et al.
Laabs Timothy P.
Schulz, Jr. Richard H.
Wolniak Stanley C.
Illich Russell W.
The Eastern Company
Wolfe Robert L.
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