Door lock for swinging door

Details Door lock for swinging door Door lock for swinging door

1997-05-27

1999-03-09

Barrett, Suzanne Dino

Locks

Special application

For closures

292 35, 292 37, 292 39, E05B 5900

Patent

active

058786066

ABSTRACT:
A deadbolt lock system is provided for a swinging door which prevents movement of the deadbolts from a locked position to an unlocked position when the door is open. Movement of the deadbolts from an unlocked to a locked position when the door is opened is prevented by a slide plate which is locked into a deadbolt deactivating position by a plunger which is biased outward when the door is opened. The system also provides for an unlocking of the deadbolts and an opening of the door with a single rotation of the inside handle.

REFERENCES:
patent: 4962653 (1990-10-01), Kaup
patent: 4973091 (1990-11-01), Paulson et al.
patent: 5290077 (1994-03-01), Fleming
patent: 5388875 (1995-02-01), Fleming
patent: 5482334 (1996-01-01), Hotzl
patent: 5495731 (1996-03-01), Riznik
patent: 5524941 (1996-06-01), Fleming
Brochure entitled: "Multi-Bolt for Hinged Doors", published by Fullex Limited.
Brochure entitled: "Handles for Multi-Bolt Lock", published by Fullex Limited.
Brochure entitled: "Patio Door Rollers", published by Building Profiles Ltd.
Brochure entitled: "Multi-Point Door Hardware", published by Hardware Technologies Ltd.

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