Paddle handle locks

Details Paddle handle locks Paddle handle locks

1996-06-06

1998-08-11

Gall, Lloyd A.

Locks

Special application

For control and machine elements

70 92, 70211, 70489, 292288, E05B 1300

Patent

active

057911746

ABSTRACT:
Paddle handle locks for securing push-pull, paddle-style door latches. In a first preferred embodiment the paddle handle lock is characterized by a handle lock having a frame with parallel side plates separated by spacers and fitted with a clamp arm pivotally attached to one of the spacers. Registering frame pilot holes and clamp arm pilot holes facilitate locking the clamp within the frame, such that the respective spacers prevent movement of the paddle door handle upon which the handle lock device is mounted. The padlock can be removed to allow pivotal extension of the clamp arm and manipulation of the door handle or removal of the handle lock from the door handle, to render the door latch operable. In another preferred embodiment a lockset handle lock is provided which includes a cylinder lock mounted in a lock housing and fitted with a pivoting clamp arm, one end of which clamp arm extends into the lock housing and engages a conventional cylinder bolt on the lock cylinder. The clamp arm normally engages the door handle to maintain the door handle in inoperable condition. However, upon manipulation of a key and the cooperating cylinder, the clamp arm is disengaged from the cylinder bolt and may be pivoted upwardly to disengage the door handle and render the door handle operable.

REFERENCES:
patent: 1441336 (1923-01-01), Flowers
patent: 1815584 (1931-07-01), Prinzler
patent: 2514317 (1950-07-01), Eichacker
patent: 3374649 (1968-03-01), Weidman
patent: 3383130 (1968-05-01), De Avila
patent: 4065160 (1977-12-01), Gilmore, Jr.
patent: 5364140 (1994-11-01), Rice

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