Key removable cylinder assembly from locket

Details Key removable cylinder assembly from locket Key removable cylinder assembly from locket

1980-03-21

1982-03-23

Wolfe, Robert L.

Locks

Special application

For control and machine elements

70369, 70DIG39, E05B 1310

Patent

active

043206379

ABSTRACT:
A cylinder assembly complete with cylinder plug is located within the outside door handle of a lockset. A washer having a diameter greater than the diameter of the plug is mounted on the rearmost portion of the plug so as to form a shoulder portion. A slot is cut in the shoulder portion flush with the outside diameter of the plug. A spindle extending into the outside handle portion contains a boss on the inside portion extending radially towards the center of the handle a discrete portion substantially equal to the shoulder formed by the washer attached to the plug. The boss is located on the spindle side closest to the latch. The complete cylinder assembly is inserted into the outside handle with the door handle turned in a first direction and the plug rotated by the key in the opposite direction thereby turning the tailpiece until the slot on the shoulder is aligned with the boss on the spindle. The cylinder assembly is pushed in place and the door handle released allowing the key in the plug to rotate in the opposite direction thereby establishing the boss in front of the shoulder and locking the cylinder assembly in place. The key is removable and the lock set operated in the normal fashion.

REFERENCES:
patent: 1979938 (1934-11-01), Jacobi
patent: 2007350 (1935-07-01), Schlage
patent: 2023941 (1935-12-01), Voight
patent: 2046630 (1936-07-01), Jacobi
patent: 2082351 (1937-06-01), Moore
patent: 2677953 (1954-05-01), Fisler
patent: 3196644 (1965-07-01), Russell
patent: 3399555 (1968-09-01), Gray

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