Door bolt

Details Door bolt Door bolt

2006-09-19

2006-09-19

Barrett, Suzanne Dino (Department: 3676)

Locks

Special application

For closures

C292S270000, C292S268000

Reexamination Certificate

active

07107800

ABSTRACT:
A door bolt is constructed to include a jam plate fixedly fastened to a doorjamb, and a doorplate assembly installed in the free end of a door panel and adapted to secure the free end of the door panel to the jamb plate, the doorplate assembly having a lock cylinder controlled by a key to move a movable frame bar in a fixed locating frame bar and to further move two locking straps relative to each other between a first position where the doorplate assembly is prohibited from escaping out of the constraint of the jamb plate and a second position where the doorplate assembly is released from the constraint of the jamb plate.

REFERENCES:
patent: 926321 (1909-06-01), Dominik
patent: 963427 (1910-07-01), Erkens
patent: 984612 (1911-02-01), Spangler
patent: 4048822 (1977-09-01), Luling
patent: 4174861 (1979-11-01), Drake
patent: 4374599 (1983-02-01), Hurt
patent: 4436331 (1984-03-01), Glickman et al.
patent: 4711479 (1987-12-01), Grandinetti
patent: 4815305 (1989-03-01), Smith
patent: 4846514 (1989-07-01), Flynn
patent: 5669256 (1997-09-01), Chung
patent: 5899509 (1999-05-01), Ferguson et al.
patent: 6145351 (2000-11-01), Levenson

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