Security bar lock

Closure fasteners – Bolts – Sliding

Patent

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Details

E05C 104

Patent

active

042277248

ABSTRACT:
A security bar lock for a door is neatly encased in an elongated section of trim molding. The bar lock projects behind the edge of the door and is retracted therefrom. A sturdy but compact fulcrum pin mounting transmits heavy forces to the frame structure itself.

REFERENCES:
patent: 1758263 (1930-05-01), Merz
patent: 2717064 (1955-09-01), Hock

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