Means for forcing apart two structural members of a closure arra

Details Means for forcing apart two structural members of a closure arra Means for forcing apart two structural members of a closure arra

1989-01-10

1989-12-05

Kannan, Philip C.

Movable or removable closures

Starter-type operator; e.g., seal breaker

174 35MS, 292DIG72, E05F 1100

Patent

active

048843687

ABSTRACT:
An ice breaker arrangement of forcing open the door of an enclosure such as a radio frequency shelter for electrical equipment comprises a threaded stud (3) which, when turned by a key, is made to project from the door frame (5) so as to force a reaction plate (2) attached to the door (1) away from the frame, thus opening the door (1). Appropriate apertures (21, 73) are provided at each end of the stud (3) to allow access to the stud (3) by the key.

REFERENCES:
patent: 1594019 (1926-07-01), Shea
patent: 1889221 (1932-11-01), Schleicher et al.
patent: 2746782 (1956-05-01), Schamotta
patent: 3040392 (1962-06-01), Beauchamp
patent: 4011688 (1977-03-01), Geiss

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