Class 244/129.5 - Door

Subclass of Class 244 - Aeronautics and astronautics
Definition: Apparatus wherein the part comprises a partition or panel
No. of patents: 279
Last issue date: 05/07/2013

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Number	Title	Issue Date
5316241	Aircraft door lifting and door hinge swivelling mechanism An aircraft door is supported by at least two support rods. Each rod rests with one of its ends in a door hinge that is rotatable with the support rod through an angle of, for example 90°, while the door can be shifted up or down along the support rods. ...	05/31/1994
5305969	Aircraft door latch lock mechanism A latch lock mechanism (20) for opening and closing a translating motion-type aircraft door (22). The latch lock mechanism (20) of this invention includes a latch shaft (38) that is mounted to the door (22) by a set of follower bearings (98) that are axia...	04/26/1994
5289615	Aircraft door hinge mechanism A hinge assembly (14) for attaching a translating-motion-type aircraft door (10) to an aircraft fuselage (12) is disclosed. The hinge assembly (14) includes a fitting (28) that is pivotally attached to the portion of the aircraft fuselage (14) adjacent th...	03/01/1994
5259576	External sliding aircraft door A sliding aircraft door assembly for selectively closing a doorway in a pressurized aircraft fuselage. The door assembly includes a door having a height and width at least as large as the vertical opening of the doorway. At least one elongate supporting a...	11/09/1993
5255876	Linear lift and counterbalance aircraft passenger door Method and apparatus for vertically lifting a main entry door in an aircraft in order to clear stop fittings and open outward. A hollow shaft having a counterbalance spring and piston therein, which shaft is mounted in a hinge arm and is rotated via a dri...	10/26/1993
5251851	Door operating mechanism for opening and closing an aircraft door in response to a stored program An operating mechanism for an aircraft door performs all the door motions and locking operations for the opening and closing of the door with the aid of electric motors which operate the respective elements of the mechanism through gear drives or through ...	10/12/1993
5243786	Foot board for a door sill in an aircraft passenger door A foot board for an aircraft passenger door has an elongated nearly quadrilateral single piece construction with an inner and an outer longitudinal edge fastened by screw bolts to an aircraft door sill structure. The foot board is constructed as a one pie...	09/14/1993
5213286	Door for aircraft nacelle The invention concerns a hinge system for cowl doors in nacelles for aircraft engines. The invention allows the cowl door to be opened without invasion of the interior of the nacelle. Invasion requires that some interior space of the nacelle be kept free ...	05/25/1993
5201830	System for controlling ambient pressure within an enclosed environment The present invention provides a system for controlling ambient pressure within an enclosed environment. The system is comprised of means for outputting a first signal, generally of a predetermined value. That signal is received in a detecting and compari...	04/13/1993
5181677	Sliding aircraft door A door assembly is provided for an aircraft that has a fuselage with a protective skin and an access opening therein. The door assembly includes a pair of parallel tracks mounted on opposite sides of an access opening in the fuselage. A sliding door is se...	01/26/1993
5180121	Aircraft door hinge mechanism with selectively triggerable actuator A cam actuator (12) for rapidly opening an aircraft door (14) that is attached to an aircraft fuselage (18) by a hinge assembly (26). The actuator includes a piston (40), a piston rod (42) that is secured to the piston and rotating sleeve (44) that is fit...	01/19/1993
5163639	Door operating mechanism for opening and closing an aircraft door An operating mechanism for an aircraft door performs all the door motions and locking motions for the opening and closing of the door with the aid of electric motors which operate the respective elements of the mechanism through gear drives or through spi...	11/17/1992
5150863	Lavatory unit for a passenger airplane A door for an amenity receiving section of a lavatory unit for a passenger airplane formed from honey-comb panels the door having a narrow width length plate and a structure wherein one side edge lengthwise thereof is curved, and a straight rigid rod is s...	09/29/1992
5090640	Aircraft door operating mechanism A stored energy system for opening aircraft doors, especially useful in connection with emergency slide compartment doors. The system includes a mechanical energy door opening mechanism and a mechanical energy door latch mechanism leaving a latch actuator...	02/25/1992
5069401	Compartment partition and pressure relief door therefor A reuseable panel for equalizing pressure between adjacent compartments includes a frame and a movable floor which is releasably sandwiched within the frame on three sides. When there is a sufficiently large pressure differential between the compartments,...	12/03/1991
5064147	Upwardly opening plug-type door for use as an over-wing emergency hatch A door latching and lifting mechanism for use on an aircraft as an escape hatch. The door (10) is an upwardly opening plug-type door. Its latching mechanism (12) consists of a torque tube (80) and handle (90), both of which are carried by the door (10). P...	11/12/1991
5046689	Cowling interlock system An aircraft engine cowling interlock system (10) for sequencing the closure of adjacent overlapping cowlings. The cowling interlock system (10) includes a telescoping rod (22) that holds an overlapping thrust reverser cowling (12) in an open position; a l...	09/10/1991
5036770	ACS blowoff door assembly A protective door assembly is disclosed which will cover missile altitude control system engines during storage and launch while still being easily jettisoned when the ACS engine is fired. The titanium door attaches to the missile skin by a hook on it's l...	08/06/1991
5031863	Upward/outward opening, plug-type overwing emergency exit hatch A hatch assembly for closing an overwing emergency exit opening formed in the body of an aircraft. The hatch (10) includes a plug-type hatch frame (24) and a pair of hinge arms (36) providing swinging movement of the hatch between a closed position and a ...	07/16/1991
5018687	Door/hatch actuation A mechanically operable actuating device for opening towards the outside and closing a cargo hatch or freight door in the fuselage of an aircraft comprises two hinges for connecting an upper side of the door or hatch to the fuselage; a first swivel joint ...	05/28/1991
4994722	Automated door locking system for aircraft lavatory A system for automatically locking a lavatory door on an aircraft from a remote location comprises means for activating the system, means for sensing the presence of a person in the lavatory, means for locking the lavatory when it is unoccupied and means ...	02/19/1991
4989808	Sliding pocket door for aircraft use capable of non-destructive blow-out A sliding pocket door adapted for aircraft use comprising two generally tabular door segments each laying in a common sliding plane and each attached to a carrier frame which is mounted to an aircraft bulkhead. Each door segment is attached to its carrier...	02/05/1991
4978089	Pyrotechnic system for providing an emergency exit in an aircraft A system for providing an emergency exit in a wall of an aircraft includes a pyrotechnic device disposed against the wall, and capable of cutting a desired opening in the wall, an igniter for the pyrotechnic device, a controller for the igniter, and a man...	12/18/1990
4960249	Controlled valve with possibility of autonomous opening and aircraft with a valve of this type A controlled valve with the possibility of autonomous opening and an aircraft having a valve of this type are disclosed. The controlled valve enables the regulation of presures or flow rates. Furthermore, the disclosed control valve can open autonomously ...	10/02/1990
4944473	Locking mechanism for an aircraft door The locking mechanism of an aircraft door is linked with a testing device in such a manner that the inoperability of the testing device indicates a failure in the proper locking or latching of the door in its closed position. The testing device may, for e...	07/31/1990
4930398	Alternating door hinge lines Apparatus is disclosed for mounting a plurality of doors to the weapons bay of an aircraft such that each door is pivotal about one of two hinge lines. Generally, the apparatus includes a door-operating assembly for displacing each of said plurality of do...	06/05/1990
4915326	Aircraft exit door locking system An aircraft exit door locking system in which an exit door is automatically locked depending on three dissimilar inputs to a logic system. The inputs are provided from acceleration, pressure, and motion sensors and are utilized in a manner whereby any two...	04/10/1990
4911219	Pocket door for curved walled enclosures A laterally sliding pocket door is disclosed for use in curved walled enclosures such as airplanes, submarines, space shuttles, railroad cars, buses and the like, having a laterally extending divider comprising first and second hollow walls positioned on ...	03/27/1990
4854010	Hinge mechanism for aircraft door A passenger door is connected to an aircraft fuselage by a hinge mechanism having an elongated goose-neck hinge member. One end of the hinge-member is pivotally connected to an idler crank arm that is pivotally connected to the fuselage. The other end of ...	08/08/1989
4842223	Hatch cover A hatch cover system including an ellipitcal port opening (12) in a housing (10) and an elliptical cover member (18) supported centrally by a rotational bearing (53) for rotation about a rotational axis (54) normal to the cover member and by pivot pins (5...	06/27/1989
4832286	Door arrangements for aircraft A rear loading door arrangement for aircraft having an access opening for the ground loading or air-borne delivery of freight and other items and which, when not in use, is closed off by a multi-panelled door assembly. This door assembly comprises a serie...	05/23/1989
4787577	Closure systems Closure systems particularly intended for high speed aircraft and designed with an inwardly opening closure which can be removed during flight. A wheel or roller is provided at the bottom of the closure so that it can be readily moved to an out-of-the-way...	11/29/1988
4787578	Weight compensating mechanism particularly for aircraft hatches, doors or gates Weight compensation for hinged doors, hatches, gates, or the like, which swing up and down on an upper horizontal hinge axis, comprises a torsion rod extending parallel to the hinge axis and having hollow shafts or bushings at its respective ends, one of ...	11/29/1988
4785741	Emergency exit in vehicles, particularly in aircraft and spacecraft An emergency exit in vehicles, particularly aircraft or spacecraft. The vehicle wall defines an emergency exit opening. A door is sealingly placed against and lockable with the vehicle wall. The door can be moved outwardly through the opening for complete...	11/22/1988
4758030	Latch mechanism in aircraft cargo hatches with a single lever pivotable about two axes A single lever is pivotable about two axes and pivoting can be carried out in a prescribed sequence such that first the latches are unloaded and thereafter released, in the reverse, the latches are first latched and thereafter proper latching is monitorin...	07/19/1988
4726550	Comprehensive airplane safety system An airplane with an enlarged safety door in the lower middle part of the fuselage which can be opened during mid-flight emergencies so as to let emergency exit stairs be hydraulically lowered down therefrom. The stairs have a hydraulically operated slidew...	02/23/1988
4720065	Translatable outward opening plug-type aircraft door and actuating mechanisms therefor An inward/outward movable plug-type aircraft passenger door (50) including: (i) a hinge assembly (56) and programming control mechanism (100, 114, 116 and 105, 114, 119) therefor; (ii) a latch/unlatch mechanism (58, 70, 82, 88, 89, 90, 91, 92, 94 and 95) ...	01/19/1988
4681286	Door anti-hijacking latch/lock mechanism with pneumatic decompression override An aircraft door having an electrically operated latching device (601) engaged only when electrical power is applied. Latch logic permits release by actuation of a switch (603) on the pilot's panel, by loss of electrical power (602), by a knob on the cont...	07/21/1987
4680891	Door hydraulic arrangement Electrically-operated hydraulic and mechanical apparatus is disclosed for opening and closing a large door, for example, on a cargo airplane. Door latching or locking apparatus is also disclosed, which serves to prevent the door from being inadvertently o...	07/21/1987
4629146	Hold open rod for hinged section of nacelle system A hold open rod for holding open a hinged section of a nacelle system for maintenance. The rod includes a tubular member connected to the hinged section and a rod which telescopes within the tubular member and which is connected to the engine contained wi...	12/16/1986

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Class 244/129.5 - Door