Locking device

Details Locking device Locking device

1991-08-15

1992-07-21

Moore, Richard E.

Closure fasteners

Bolts

Multiple

292337, E05C 904

Patent

active

051316994

ABSTRACT:
A locking device relating to a door construction to be used in an air raid shelter or the like. The door construction (1) comprises a door panel (4) arranged in a frame (3) and provided with a supporting frame (5). To make the door construction, subjected to a load, as unyielding and stable as possible, a mechanism (21 to 24) of the locking device (2) is arranged in the supporting frame (5), actual bolt members being constituted by cylinder elements (23) to be supported on the supporting frame (5) and to be arranged to comply in shape with recesses (31) of the frame (3).

REFERENCES:
patent: 564315 (1896-07-01), Sayre
patent: 722162 (1903-03-01), St. Louis
patent: 1051918 (1913-02-01), Rowley
patent: 2319982 (1943-05-01), Fralinger
patent: 2742317 (1956-04-01), Chandler
patent: 3027188 (1962-03-01), Eichstadt
patent: 4165894 (1979-08-01), Wojciechowski
patent: 4534192 (1985-08-01), Harshbarger et al.
patent: 4639021 (1987-01-01), Hope

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