Class 244/102SL - Strut locks

Subclass of Class 244 - Aeronautics and astronautics
No. of patents: 44
Last issue date: 01/31/2012

Number	Title	Issue Date
8104711	Landing gear An auxiliary actuator (49) comprises a two stage telescopic hydraulic unit comprising first (59, 63) and second (56, 50) stage piston and cylinder actuators operating coaxially within an outer casing (50). A respective actuator is connect...	01/31/2012
8061653	Landing gear An aircraft landing gear 501 includes a folding side stay 502, wherein the folding side stay includes an integral locking mechanism and does not require the landing gear to include a lock stay. The lack of a lock stay reduces the airframe noise created...	11/22/2011
7967245	Brace-locking device for an aircraft undercarriage The invention relates to a wind-brace device for an aircraft undercarriage, the device comprising a hinged brace movable between a folded position and a stabilization position for stabilizing the undercarriage in the deployed position, a stabilizer member for stabil...	06/28/2011
7708225	Aircraft landing gear Aircraft landing gear includes a retractable housing comprising an upper leg (11); a lower leg (15) including a wheel axle (16) slidingly disposed within the upper leg (11) and resiliency biassed to an extended condition; a turning collar...	05/04/2010
7426983	Landing gear strut damper, and landing gear with independent struts comprising same A damper for an airplane landing gear leg comprises a main strut (11) and a rod piston (13) co-operating with the strut (11) to define a main chamber (15) and annular chamber (16) for hydraulic fluid, and presenting internally two ...	09/23/2008
7287785	Side door latch pawl function augmentation A door latch assembly of a motor vehicle is provided for selectively engaging a striker between latched and unlatched positions. The door latch assembly includes a ratchet for receiving and engaging the striker. The door latch assembly also includes a pawl movable b...	10/30/2007
7261338	Single actuator power close latch mechanism with failsafe A latch mechanism includes a claw rotatable between a latched position and an unlatched position, and an actuator motor. A toggle link that includes a first end, a second end, and a joint between the first end and the second end of the toggle link has one end attach...	08/28/2007
7216581	Piston locking actuator A locking actuator may be locked in an extended position. A piston with a first and a second end defines a recess that originates proximate to the first end. A strut is adapted to at least partially nest within the recess and the strut is adapted to hold at least on...	05/15/2007
7204456	Landing gear having a gas vessel, and methods of maintaining such landing gear A landing gear includes a shock absorber having first and second elements slidable relative to each other, the slidable elements defining an inside volume which is filled in part with hydraulic fluid so as to leave a first chamber filled with gas under pressure and ...	04/17/2007
7198226	Landing assist apparatus retention strap spool An aircraft landing assist apparatus is designed to be retrofit to existing aircraft having internal constructions that have been modified to support the apparatus. The apparatus is designed so that on rough landings of the aircraft on a ship deck, the apparatus wil...	04/03/2007
7143975	Landing arrangement for an aircraft A landing arrangement for an aircraft comprises an aircraft support assembly (22) to support the aircraft (10) when the aircraft is on the ground. The aircraft support assembly (2) is movable between a first ground engaging condition (22	12/05/2006
7131672	Latch mechanism A latch mechanism in combination with a sensor assembly for use in latching a first structure to a second structure such as a panel to an aircraft. Also disclosed is a sensor assembly for use with a latch mechanism and a method of using a sensor assembly in combinat...	11/07/2006
7130099	Micromirror unit with torsion connector having nonconstant width A micromirror unit is provided which includes a frame, a mirror forming base upon which a mirror surface is formed, and a torsion connector which includes a first end connected to the mirror forming base and a second end connected to the frame. The torsion connector...	10/31/2006
7066429	Apparatus and method for predictable movement of structural components during failure A system and method is provided for directing a separation sequence of structural components, such as, for example, aircraft landing gear components, during an overload condition. This system and method may be used to stop a component in rotation and thereby allow t...	06/27/2006
6811118	Latch device, in particular for latching an airplane landing gear or an airplane landing gear hatch A latch device, in particular for latching an airplane landing gear or an airplane landing gear hatch, the device comprising a box containing a set of hinged elements mounted to pivot about respective parallel axes, said assembly including at least one hook and a lo...	11/02/2004
6575405	Control system and method for a semi-levered landing gear for an aircraft A control system for controlling a tiltable wheel truck of a main landing gear includes an auxiliary strut, a ground mode system operably connected with the aircraft for detecting and providing signals indicative of when the aircraft is on the ground; a t...	06/10/2003
6481668	Landing gear The present invention provides a landing gear. The landing gear includes a trunnion having at least one principal pivot point. The principal pivot point is adapted to be pivotably coupled to an airframe to allow the trunnion to pivot about a principal tru...	11/19/2002
6360990	Landing gear The present invention provides a landing gear. The landing gear includes a trunnion having at least one principal pivot point. The principal pivot point is adapted to be pivotably coupled to an airframe to allow the trunnion to pivot about a principal tru...	03/26/2002
6349901	Landing gear A landing gear (30) includes a trunnion (40) that has at least one principal pivot point (42). The principal pivot point (42) is adapted to be pivotably coupled to an airframe (12) to allow the trunnion (40) to pivot about a principal trunnion pivot axis ...	02/26/2002
6345787	Aircraft landing gear An aircraft landing gear comprises four mounting members 14, 15, 18, 19 attached to an airframe of the aircraft via attachments 14a, 15a, 16a. One of the attachments 16a is in the form of a leaf spring 30 which can flex upwards and downwards but is non-di...	02/12/2002
6328259	Variable-load shear collar for helicopter landing gear shock struts A shock strut is provided for a landing gear assembly in an aircraft including a variable load shear collar. The shock strut includes a housing having first and second pistons axially disposed therein. An annular shear collar is rotatably coupled about th...	12/11/2001
6279853	Aircraft undercarriage lock mechanism An aircraft undercarriage mechanism 20 comprising a first lock member 22 mounted on the undercarriage 14, the first lock member being engageable with a second lock member 24 mounted on a wing 10 of the aircraft. The first lock member 22 comprises a pivota...	08/28/2001
6182925	Semi-levered landing gear and auxiliary strut therefor A semi-levered landing gear includes a main strut, a wheel truck pivotally attached at a main pivot to a lower end of the main strut and supporting forward and aft wheels, and an auxiliary strut attached at its upper end to the main strut and at its lower...	02/06/2001
6129310	Aircraft nose landing gear An aircraft nose landing gear installation that utilizes a single piece pin inserted through the gear fittings and into the two piece, fail safe support structure without requiring mechanical retention on the outside of the wheel well....	10/10/2000
6059228	Hydraulic system A hydraulic system for retracting into and extending out of the body of an aircraft a landing gear for use in taking off and landing, comprises a housing unit which has a hydraulic pump, a hydraulic actuator, a shuttle valve, an emergency valve, an actuat...	05/09/2000
5839692	Splayable aircraft nose landing gear Landing gear (10) for an airplane including an elongate strut (12) having a first end and a second end longitudinally spaced therefrom. The first end of the strut being pivotally attached to the airplane for pivotal movement of the strut between an extend...	11/24/1998
5381986	Folding wing-tip system A plurality of latch pins are locked into a latch position by primary locks and secondary locks. Each primary lock mechanically blocks movement of its corresponding secondary lock into the secondary lock's locked position when the primary lock is out of i...	01/17/1995
5288037	Catch device for locking aircraft landing gear in the raised position The invention relates to a catch device of the type comprising a main casing that houses a hinge hook and a locking lever having one branch carrying a thrust wheel that co-operates with the hook and having its other branch connected by means of a linkage ...	02/22/1994
5269481	Raisable landing gear fitted with a hinged side-brace having two alignments The invention relates to raisable landing gear including a shock absorber having a strut and a sliding rod, together with a two-alignment hinged side-brace. According to the invention, unlocking means are provided to break the secondary alignment, thereby...	12/14/1993
5263664	Raisable landing gear The invention relates to raisable landing gear having a shock absorber strut and a sliding rod. According to the invention, the landing gear includes a lateral stabilizer hinged to the strut and fitted with a wheel at its free end, together with mechanica...	11/23/1993
5184465	Landing gear drag strut actuator having self-contained pressure charge for emergency use An actuator for raising and lowering aircraft landing gear in accordance with the extended and retracted state of the actuator includes a cylindrical casing, a piston assembly slidable along the axis of the casing, a fluid pressure source, a sealed chambe...	02/09/1993
5123614	Anti-deployment device for a ram air turbine An anti-deployment device and method for preventing inadvertent deployment of a ram air turbine of an aircraft during servicing or repair of turbine employ an anti-deployment pin which can be manually inserted in a support arrangement for the pin on the a...	06/23/1992
5110068	Multi-axled propped landing gear A landing gear for an aircraft has a multi-wheeled truck that is swung by a main prop from a stowed position to a lowered position below the aircraft. The truck is pivotably connected to the lower end of the main prop. When the gear is lowered, at least o...	05/05/1992
5100083	Retractable landing gear with self-braced folding strut A folding strut having upper and lower portions (14, 16/62, 64) are connected together by a pivotal joint (18, 66, 68) for folding movement relative to one another upon extension and retraction of the strut. The upper portion (14, 62) of the strut is pivo...	03/31/1992
5040747	Gripping and locking arrangement for aircraft flap doors or undercarriages A gripping and locking arrangement for an aircraft movable component such as a flap door or undercarriage comprises a piston and a piston rod operative as a means for sensing a closing movement of the flap door or undercarriage, and also operative automat...	08/20/1991
5039033	Raisable landing gear A retractable landing gear is arranged so as to provide, in use, a highly inclined shock absorber while avoiding high shearing stresses on the shock absorber. The landing gear includes a pivoting panel fixed to an aircraft structure to pivot about a raisi...	08/13/1991
5029775	Aircraft landing gear shortening apparatus A self-contained shortening and folding apparatus for retracting aircraft front landing gear, thereby conserving space within the storage bay....	07/09/1991
5022609	Landing gear The invention is a retractable landing gear for an aircraft. In detail, the landing gear includes a main strut having a first end pivotally attached to the airframe and a second end having a wheel assembly attached thereto. The main strut is rotatable abo...	06/11/1991
4556179	Aircraft landing gear The present invention relates to landing gear. The landing gear has a strut (2) having one end pivotally mounted about a first axis (4) suitable for connection to the structure (1) of an aircraft. A lower portion (6) for supporting running gear (10) is pi...	12/03/1985
4524929	Short take off jump mode for airplane landing gear struts A telescoping energy-dissipating oleo landing gear shock strut set which can provide both the main landing gear and forward landing gear function, and which is affixed to an airplane, is restrained in an unenergized, shortened condition. A high pressure g...	06/25/1985

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Class 244/102SL - Strut locks