Closure fasteners – Bolts – Swinging
Patent
1995-01-24
1996-11-26
Meyers, Steven N.
Closure fasteners
Bolts
Swinging
292DIG65, 2441295, 49394, E05C 306
Patent
active
055777813
ABSTRACT:
An apparatus for locking an aircraft door provided in the outer wall of an aircraft includes at least one locking shaft pin that locks the aircraft door in a fixed, closed position relative to the outer wall of the aircraft when the locking shaft pin is positioned or rotated into a locking position. The locking shaft pin is connected to a mechanical linkage forming a positioning arrangement. The positioning arrangement is coupled to a control element, which essentially includes a membrane connected to a control rod. The membrane is arranged within a housing so as to form an interior air chamber on one side of the membrane and an exterior air chamber on the other side of the membrane. The air pressure of the cabin interior is applied to the interior air chamber through an interior air pressure port, and the exterior ambient air pressure is applied to the exterior air chamber through an exterior air pressure port. A pressure differential on the two opposite sides of the membrane causes the membrane to deflect and move the control rod, which is coupled to the positioning arrangement.
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patent: 4042193 (1977-08-01), Cerne
patent: 4473201 (1984-09-01), Barnes et al.
patent: 4552326 (1985-11-01), Bokalot
patent: 4706685 (1987-11-01), Jones, Jr. et al.
patent: 4720065 (1988-01-01), Hamatani
patent: 4978089 (1990-12-01), Alquier et al.
patent: 5305969 (1994-04-01), Odell et al.
patent: 5337977 (1994-08-01), Fleming et al.
Kallies Guenter
Lessat-Kaupat Wolfgang
Luebbe Thomas
Daimler-Benz Aerospace Airbus GmbH
Fasse W. F.
Fasse W. G.
Lecher Donald J.
Meyers Steven N.
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