Security door guard

Details Security door guard Security door guard

1976-01-05

1978-01-24

Moore, Richard E.

Closure fasteners

Extension link

Multiple

E05C 1734

Patent

active

040700496

ABSTRACT:
A security door guard in the form of a foldable and telescoping brace connected between the inside face of a door and an adjacent supporting surface such as a wall. The brace includes two tubular sections hinged in the middle and connectible at opposite ends with the inside face of the door and the adjacent wall surface to provide a rigid prop or brace to prevent unauthorized opening of the door. The section of the brace connected with the door includes a telescoping portion which is shown in two forms for allowing partial opening of the door from the inside.

REFERENCES:
patent: 528146 (1894-10-01), Case
patent: 1851630 (1932-03-01), Johnson
patent: 2738120 (1956-03-01), Fuhriman
patent: 3563592 (1971-02-01), Preston

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