Safety device for doors, windows and similar

Details Safety device for doors, windows and similar Safety device for doors, windows and similar

1978-11-20

1980-03-11

Lyddane, William E.

Closure fasteners

Extension link

Chain

70 93, 70461, 29234118, 292DIG60, E05C 1736

Patent

active

041925378

ABSTRACT:
A safety device for doors comprising a cylindrical housing going through to the door, a locking pin to be locked in the housing and a chain one end of which is locked to the pin and the other end being attached to the door frame. The housing is attached to the door by means of two flanges, one on each side of the door, the spacing of which is adjustable.

REFERENCES:
patent: 265474 (1882-10-01), Voll
patent: 2200627 (1940-05-01), Levy et al.
patent: 2205845 (1940-06-01), Cochran
patent: 3071958 (1963-01-01), Russo

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