Slidable door lock brace

Details Slidable door lock brace Slidable door lock brace

2006-04-04

2006-04-04

Estremsky, Gary (Department: 3676)

Closure fasteners

Braces

Portable

C070S094000

Reexamination Certificate

active

07021683

ABSTRACT:
A standard door lock is connected through a bore in a door to a lock brace mechanism mounted on a fixed vertical plate on an inside surface of the door. A slide bar moves within a vertical slot in the fixed plate. Gearing within the brace mechanism turns a threaded rod at a 4:1 ratio to move a middle housing threaded to the rod in a downward direction to deploy a brace leg outwardly. By turning the brace mechanism in a reverse direction the brace leg is retracted to a position abutting the inside surface of the door.

REFERENCES:
patent: 840486 (1907-01-01), Fuchs
patent: 843527 (1907-02-01), Fuchs
patent: 977182 (1910-11-01), Fuchs
patent: 1847705 (1932-03-01), Yorger
patent: 4019765 (1977-04-01), Nichola
patent: 4213315 (1980-07-01), Lewis
patent: 4438640 (1984-03-01), Willis
patent: 4607870 (1986-08-01), Crisp, Jr. et al.
patent: 4822086 (1989-04-01), Brown
patent: 5135273 (1992-08-01), MacCalder
patent: 5618072 (1997-04-01), Pitchford
patent: 5983680 (1999-11-01), Del Nin

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