Transportable positive dead bolt lock for doors

Details Transportable positive dead bolt lock for doors Transportable positive dead bolt lock for doors

1992-04-29

1993-03-16

Moore, Richard E.

Closure fasteners

Portable securer plate or bar

Sliding holding member

E05B 1736

Patent

active

051938669

ABSTRACT:
A portable positive dead bolt lock temporarily installed in a door frame and then removed and carried from one location to another to present, while temporarily used, a positive dead bolt lock. A planar lock plate is provided having a tab flange extended laterally into a notch opening in the door frame when installed, and an opening large enough to permit passage of the head of the dead bolt. An entry slot is provided from the opening extended to a pair of slot extensions therein in diverging relationship relative to the entry slot with one of the slot extensions extending up and the other extending down. Each of the slot extensions having one edge presenting a plurality of seats each presenting a vertical seat edge. The dead bolt having a groove between a head and the bolt body permitting passage of the bolt through the entry slot and into the slot extensions. Springs bias the lock plate toward the door frame when the door is closed.

REFERENCES:
patent: 1970485 (1934-08-01), Bins
patent: 3731965 (1973-05-01), Adkinson, Jr.
patent: 3913962 (1975-10-01), Briggs

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