Safety door

Details Safety door Safety door

1982-04-05

1984-03-13

Downey, Kenneth

Movable or removable closures

With means mounting closure for swinging

With latch or lock

292 33, 292 40, 29234117, 49383, E05C 900

Patent

active

044359217

ABSTRACT:
There is described a safety door the lock of which, upon turning of the key, outwardly displaces the bolt which, upon engagement in the door frame, pushes out for other bolts that engage in the door. Besides, the latter has a hinge co-extensive with its height and a side provided with five dead bolts which engage in the other side of the hinge upon closing of the door. A metal plate covers each of the opposite faces of the door.

REFERENCES:
patent: 266903 (1882-10-01), Schertzer
patent: 3636659 (1972-01-01), Bylicki
patent: 3788679 (1974-01-01), Banham

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