Key ejector lock

Details Key ejector lock Key ejector lock

1975-07-25

1976-12-07

Wolfe, Robert L.

Locks

Operating mechanism

Key

E05B 1700

Patent

active

039954633

ABSTRACT:
A key ejector lock adapted for use in the door of a cabinet or other enclosure and which will eject the lock key in any rotational position thereof comprises a tubular barrel, a front end plug rotatable and axially reciprocally movable in the barrel and having a keyway extending therethrough, a rear end plug rotatable in the barrel and adapted for connection to a locking member, drive means interposed between the plugs and fixed to the rear end plug for rotation therewith, means providing a sliding drive connection between the front end plug and the drive means, means resiliently urging the front end plug forwardly in the barrel, means on the barrel providing rearwardly opening circumferentially spaced internal notches, lug means projecting outwardly from the front end plug and removably received in the notches for securing the rear end plug in respective locked and unlocked rotational positions, a key ejector axially reciprocally movable in the barrel between the front end plug and the drive means and engaging a key inserted through the keyway, and means resiliently urging the key ejector forwardly in the barrel, whereby insertion of a key in the keyway serves to move the front end plug rearwardly to free the rotatable parts for rotation and enable the key to rotate the front end plug for rotating the rear end plug between the locked and unlocked positions thereof.

REFERENCES:
patent: 240397 (1881-04-01), Ehmer
patent: 3524335 (1970-08-01), George
patent: 3661001 (1972-05-01), Glass

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