Catch device of cockpit door

Details Catch device of cockpit door Catch device of cockpit door

2007-02-06

2007-02-06

Barefoot, Galen (Department: 3644)

Aeronautics and astronautics

Aircraft structure

Passenger or crew accommodation

C244S129500, C292S254000

Reexamination Certificate

active

11079102

ABSTRACT:
The invention provides a catch device of a cockpit door of an aircraft with improved safety. A cockpit door1disposed between a cockpit2and a passenger cabin3in an aircraft comprises a door body10that opens toward the cockpit via a hinge12. A latch device100for opening and closing the door is provided on the cockpit side, and a bolt120thereof engages with a catch device200provided on a wall adjacent to the door. The catch device200has a solenoid device which restrains the rotatably disposed catch device by electromagnetic force. When trouble occurs to the solenoid, the restrained status of the catch member is released and the cockpit door may be opened. In such case, a pit pin300is inserted to the catch device to restrict rotation of the catch member.

REFERENCES:
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patent: 3543547 (1970-12-01), Sugiyama
patent: 3638984 (1972-02-01), Davidson
patent: 3872696 (1975-03-01), Geringer
patent: 4355830 (1982-10-01), Rau, III
patent: 5076625 (1991-12-01), Oxley
patent: 5474342 (1995-12-01), Smith et al.
patent: 2002/0092951 (2002-07-01), Haviv
patent: 2005/0006528 (2005-01-01), Movsesian et al.
patent: 2000-35656 (2000-02-01), None
patent: 2003-74232 (2003-03-01), None
patent: 2003-113684 (2003-04-01), None

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