Door closure mechanism

Details Door closure mechanism Door closure mechanism

1975-01-16

1977-03-15

Downey, Kenneth

Movable or removable closures

Optionally moved, manually, or by motor

49276, 49394, 292251, E05F 1134

Patent

active

040116883

ABSTRACT:
A door closure mechanism provided with a frame and a door adapted to be closed into the frame in a manner so as to provide RF shielding. The door is provided with a closure mechanism having a motor-driven threaded shaft mounted on a floating platform adapted to have several degrees of freedom with respect to the plane defined by the door. The frame includes a threaded receptacle adapted to receive the threaded shaft. Electrical switches are provided with respect to the door such that the threaded shaft will rotate uon reaching proximity with the threaded receptacle, thereby securing the door to the frame.

REFERENCES:
patent: 2753202 (1956-07-01), Smith et al.
patent: 3081078 (1963-03-01), Lohr
patent: 3681873 (1972-08-01), Hansen

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