Locking device for door

Closure fasteners – Bolts – Hooked end

Patent

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Details

292DIG4, 292DIG37, E05C 908

Patent

active

045388440

ABSTRACT:
A device to lock a door body provided on a main body, wherein by a sliding body provided slidably on a framework attached to the inside of the door body and having such an operational mechanism as to be pushed within the framework by first pushing and to be protruded forwards by second pushing, a hook body provided turnably within the framework is protruded out of a window hole provided at one side of the framework so as to be engaged with and disengaged from the main body side. The sliding body has a knob at its outside.

REFERENCES:
patent: 1462637 (1923-07-01), Fetner
patent: 1954500 (1934-04-01), Sparks
patent: 3844591 (1974-10-01), Velcover
patent: 3992052 (1976-11-01), Green
patent: 4482175 (1984-11-01), Sugie

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