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Coupling

Subclass of:

280 - Land vehicles

280029000 - WHEELED

280400000 - Articulated vehicle

Patent class list (only not empty are listed)

Deeper subclasses:

Class / Patent application numberDescriptionNumber of patent applications / Date published
280507000 Protector or lock 58
280511000 Ball and socket 37
280515000 Draft pin 16
280506000 Rattle preventing 7
280508000 Self-coupling 3
20110316255BOAT COUPLING - A boat coupling including a jaw for receiving an eye which is attached to the hull of a boat. A pin is movable to bridge across the jaw to capture the eye between extended and retracted positions. A retaining arrangement for retaining the pin in the retracted position will release the pin upon the pin being shifted to a release position, where after the pin is moveable under a biasing influence to shift to the extended position.12-29-2011
20110260429Apparatuses and methods for securing a vehicle - Apparatuses and methods for engaging and/or securing a generally vertical member of a vehicle or other object are provided. The apparatus includes a second plate secured to a first plate and rotatably moveable with respect to the first plate. The first plate has a throat for accommodating the generally vertical member of the vehicle or other object, and a notch angularly displaced from the throat. The second plate has a first arm that extends across the throat to secure the generally vertical member within, and a second arm that moves into alignment with the notch, concurrent with movement of the second plate. When the second arm is aligned with the notch, a biased latch can be urged to engage the notch to secure the second plate in a generally fixed orientation relative to the first plate, thereby securing the vehicle or other object.10-27-2011
20090096188Coupling System for Connecting Supply Lines - Described is a coupling system for connecting supply lines between a trailer and a tractor vehicle, comprising a socket which is arranged on the tractor vehicle and a support element, having a plug, which is arranged on the trailer. The invention is based on the problem of providing a robustly operating coupling system in which an automatic connection of all of the provided supply lines is possible. The problem is solved by means of a coupling system in which the socket is arranged in a positionally fixed manner on the tractor machine, the plug is guided in a laterally moveable manner in the support element, and the plug can be placed into a connecting position with the socket by means of an actuator which is arranged on the tractor vehicle.04-16-2009
280514000 Interlocked 2
20090102160Hitch for Two Drawpin Sizes - A hitch apparatus includes a hitch member defining a substantially vertical drawpin hole. A spacer member is movably mounted to the hitch member such that the spacer member is movable laterally from a working position, where the spacer extends forward to block a rear portion of the drawpin hole, to an idle position where the spacer is removed from the drawpin hole and the front end of the spacer is located lateral to the drawpin. A lock mechanism is operative to selectively maintain the spacer member in the working position and the idle position.04-23-2009
20110068560BICYCLE TRAILER AND METHOD - A trailer for towing by a bicycle is disclosed comprising a tow arm adapted for coupling by a hitch to the bicycle. The tow arm is pivotally coupled to an upper portion of the trailer frame and can be collapsed against the frame. The frame can comprise plural frame sections that can also pivot to a collapsed position and a lower shelf foldable to a collapsed position as well. Locking elements can be provided for selectively locking the trailer components against relative pivoting motion. One or more actuators for selectively locking and unlocking the frame components can be provided. One such actuator can simultaneously unlock first and second transversely spaced apart hinge elements. The hitch can comprise a flexible coupling that provides torsional resistance against rolling motion of the trailer, particularly when the trailer is mounted to a seat post or other location above the rear wheel of the bicycle. The flexible hitch coupling can provide a progressively increasing torsional resistance to such rolling while allowing pivoting of the trailer relative to the bicycle as the bicycle is steered and flexing to accommodate variations in pitch between the bicycle and trailer.03-24-2011
Entries
DocumentTitleDate
20080258432Trailer Coupling - A trailer coupling apparatus comprising means (10-23-2008
20130076007VEHICLE BACKUP CAMERA FOR VIEWING A MID-CHASSIS MOUNTED TRAILER HITCHING STRUCTURE - A pick-up truck comprises a chassis, a rear axle attached to the chassis, a passenger cabin, a cargo bed, a trailer hitching structure, and a first image capturing device. The passenger cabin is attached to the chassis forward of the rear axle. The cargo bed is attached to the chassis over the rear axle. The trailer hitching structure is attached to the chassis at a position rearward of the vehicle occupant structure and has a trailer engaging portion accessible within the cargo bed. The first image capturing device is attached to the passenger cabin. The first image capturing device is mounted in a manner allowing the first image capturing device to capture an image of the trailer engaging portion of the trailer hitching structure.03-28-2013
20130049330ATTACHMENT ASSEMBLY FOR A VEHICLE - An attachment assembly for a vehicle having a receiver for pulling an object or being pulled. The attachment assembly includes a support member for connection to the receiver and an attachment member connected to the support member to provide both pivotal and rotational movement.02-28-2013
20130056959REAR ATTACHMENT UNIT FOR A MOTOR VEHICLE - A rear attachment unit is provided for a motor vehicle body having a support and at least one connecting part connected thereto for fastening to a rear-end support structure of the body. The connecting part can be connected to the support structure by way of at least one fastening section and includes, but is not limited to a deformation structure with a geometrical shaped design for the absorption of mechanical forces.03-07-2013
20130113183ATTACHABLE SCOOTER05-09-2013
20090152834ARTICULATED UNIT AND METHOD FOR LUBRICATING AN ARTICULATED UNIT - An articulated unit for a motor vehicle with a housing (06-18-2009
20090152833IMITATION POLICE VEHICLE - A device and method of use as an imitation police passenger vehicle are disclosed. The imitation police passenger vehicle may have a molded shell in the shape of a police passenger vehicle which is placed on a trailer with four wheels with the wheels in positions similar to a police passenger vehicle. The imitation police passenger vehicle may be used to increase safety and deter crime.06-18-2009
20090146394WAGON - An assembly for removably coupling a cart to a towing hitch of a vehicle. The assembly includes a support member having a first end portion configured to be coupled to the towing hitch and a second end portion configured to be coupled to an underside of the cart. The second end portion is offset vertically relative to the first to support the cart above the towing hitch. The assembly includes one or more brackets coupled to the underside of the cart and arranged to be coupled to the second end portion. The support member includes a through-hole for each bracket and the through-holes in the support member are aligned with corresponding through-holes formed in the brackets. Fasteners are inserted into the aligned through-holes to maintain engagement between the support member and the brackets.06-11-2009
20110025020FIFTH-WHEEL COUPLING - The invention describes a fifth-wheel coupling (02-03-2011
20110025019VEHICLE COUPLING FOR PRODUCING A MECHANICAL CONNECTION BETWEEN A FIRST AND SECOND VEHICLE - A vehicle coupling for producing a mechanical connection between a first and a second vehicle including a coupling body (02-03-2011
20110266775MULTIFUNCTION TOW HITCH - A system and method for a hitch is presented. A center member is configured to mount to a receiver of a vehicle. A first arm is coupled to center member and configured to mount to the receiver of the vehicle. The first arm includes first and second receiver mount channels for mounting the first arm to the receiver in first and second mounting positions. A second arm is coupled to the center member. The second arm includes an accessory mount configured to provide a step when the first arm is mounted to the receiver in a first position and support an accessory when the first arm is mounted to the receiver in a second position.11-03-2011
20090108567Articulation limiting device for towed vehicles - This device limits the angular rotation of a towed vehicle/trailer from jackknifing during a back-up maneuver. This device is for use on towed vehicle/trailer with a conventional hitchball type hitch comprised of a ball mount and hitchball.04-30-2009
20090295124Ground Level Loading Trailor - A trailer has a deck frame arranged to carry a load thereon for being towed by a towing vehicle in a transport position spaced above the ground. The deck frame is further arranged to be lowered from the transport position to a loading position at ground level. Side rails supporting wheels thereon are hinged at a rear of the deck frame and are pivotally coupled to a hitch arm at a front end. A lift mechanism lifts the front end of the deck frame in the loading position relative to the front of the side rails to simultaneously raise the rear end of the deck frame by lowering the front of the side rails relative to the ground. The hitch arm may remain coupled to the towing vehicle as the deck frame is displaced between the loading and transport positions.12-03-2009
20080296870Trailer hitch assembly for a bomb disposal robot method therefor - A trailer hitch assembly for a bomb disposal robot has a support beam for removably attaching the trailer hitch assembly to the bomb disposal robot. A female trailer hitch connector is coupled to the support beam.12-04-2008
20080238039ARTICULATED HITCH MECHANISM - An articulated, modular, track-mounted, self-propelled, remote-controlled drilling apparatus is demountable into several heli-transportable components, including a drilling module and a drill support module, plus separate hydraulically-driven track carriages on which they are removably mountable. The track carriages are demountably coupled in tandem by a tri-axially articulated hitch mechanism incorporating a track steering mechanism. The drilling module carries a rotary drill, a hydraulic pump operatively connected to the track drive mechanisms, and a primary motor, which selectively drives either the drill or the pump. The use of multiple demountable modules reduces the weight of the components to be heli-transported, thus allowing the use of smaller and more economical helicopters. The combination of self-propelled, track-mounted modules with tri-axial articulation and remote controllability enables the assembled apparatus to operate more easily over rough terrain than known seismic drills, reducing or eliminating the need for separate means for transporting the apparatus between borehole locations.10-02-2008
20080238038Attachment for a trailer hitch bracket - An accessory for trailer hitch systems having components for equalizing loads and reducing trailer sway. The accessory includes a jacket for attaching to a bracket that supports a load equalizing spring bar. The bracket may include a lateral extending portion for supporting the spring bar. The jacket may include a socket for receiving the lateral extending portion of the bracket, such that the jacket may be removably installed on the bracket. The jacket may include a contact surface for contacting the spring bar. The contact surface may include a different coefficient of friction or a different shape, as compared to the lateral extending portion of the bracket, such that movement of the spring bar with respect to the bracket may be altered as compared to conditions in which the spring bar is supported on the bracket without the jacket.10-02-2008
20100207359BICYCLE TRAILER CONVERTABLE TO WHEELBARROW - A versatile bicycle trailer that turns into a wheel barrow is disclosed. This trailer comprises of a single wheel which follows directly inline with the bicycle tires and sustains a low centre of gravity, maneuvering easily around sharp turns and corners. The trailer has handles which are in closed position when the trailer is connected to a bicycle. The handles open when the trailer is not connected to the bicycle, therefore, allowing the trailer to be used as a wheelbarrow to carry cargo. Special kickstand holds the bicycle standing upright for easy loading and unloading of cargo.08-19-2010
20090039617Apparatus for connecting one of a chain, strap and cable attached to an object to be one of towed and dragged to a tow hitch attached to a towing vehicle - An apparatus for connecting a chain, strap or cable attached to a pre-selected object to be towed to a tow hitch attached to a towing vehicle. The apparatus includes a plate member having a first predetermined shape. An aperture, having a second predetermined shape, which is at least sufficient to enable passing a ball of such hitch therethrough, is formed generally centrally through the plate member. At least one elongated slot, having each of a third predetermined shape and a predetermined width over at least a portion thereof to receive a base of such hitch therein, is formed through the plate member. The at least one elongated slot being in open communication with the aperture and extends outwardly therefrom. Finally, a connecting mechanism engages both the plate member and one of such chain, strap and cable for connecting such towing vehicle to such pre-selected object to be one of dragged and towed.02-12-2009
20110031718Trailer Coupling for Motor Vehicles - In order to improve a trailer coupling for motor vehicles comprising a towing element for the attachment of a vehicle trailer or mounting of a rear load carrier, a cross member, with which a holding unit bearing the towing element is connected, and side members connecting the cross member to a vehicle body at its end areas, in such a manner that it can be produced as simply as possible and so as to save on material as far as possible it is suggested that the cross member comprise a cross member pipe, that the holding unit be held releasably on the cross member, that the holding unit be designed to engage around the cross member in circumferential direction and have at least two holding elements which abut with supporting surfaces on casing surface areas of the cross member pipe and that the holding unit be adapted to be fixed to the cross member by way of a force locking clamping.02-10-2011
20110127752COUPLER FOR TOWED VEHICLES - Apparatus, methods, and other examples associated with a hitch ball coupler are described herein. In one example, a coupler includes a body and a cap. The body and cap are pivotally connected on a first end. The body includes a first recess and a shoulder. The cap is selectively moveable between a closed position and an open position. The cap includes a second recess that selectively forms a socket with the first recess, and an arm extending from a second end that engages the shoulder when the cap is in the open position.06-02-2011
20110068558BICYCLE TRAILER HITCH AND METHOD - A trailer for towing by a bicycle is disclosed comprising a tow arm adapted for coupling by a hitch to the bicycle. The tow arm is pivotally coupled to an upper portion of the trailer frame and can be collapsed against the frame. The frame can comprise plural frame sections that can also pivot to a collapsed position and a lower shelf foldable to a collapsed position as well. Locking elements can be provided for selectively locking the trailer components against relative pivoting motion. One or more actuators for selectively locking and unlocking the frame components can be provided. One such actuator can simultaneously unlock first and second transversely spaced apart hinge elements. The hitch can comprise a flexible coupling that provides torsional resistance against rolling motion of the trailer, particularly when the trailer is mounted to a seat post or other location above the rear wheel of the bicycle. The flexible hitch coupling can provide a progressively increasing torsional resistance to such rolling while allowing pivoting of the trailer relative to the bicycle as the bicycle is steered and flexing to accommodate variations in pitch between the bicycle and trailer.03-24-2011
20090230656Hitch Securement System - Embodiments of the invention relate to securing hitch appliances to a hitch receiver. In one embodiment, a hitch unit includes a frame including first and second wall regions, the first wall region having a first through hole and the second wall region having a second through hole, and first and second units in the frame configured to extend a pin coupled to the second unit through the second through hole when an implement is coupled to the first unit and operated.09-17-2009
20110133432HITCH ASSEMBLY WITH A SWIVEL PLATE AND METHOD FOR USING THE SAME - Disclosed herein is a hitch assembly that can be used for connecting a trailer to a towing vehicle. The hitch assembly includes a support member for connecting the hitch assembly to the vehicle, a swivel plate having at least two wings, each of which has a hitch member hole extending therethrough. Each hitch member hole is sized to allow a hitch connection member to be mounted thereto. The hitch assembly further includes an L-shaped member that secures the swivel plate to the support member and a locking mechanism for releasably engaging the swivel plate such that the swivel plate can rotate relative to the support member to allow a selected wing to move into a towing position, wherein when one connection member is in use, the other connection member does not interfere with operation of the hitch assembly.06-09-2011
20120098235Hitch-mounted Telescopic Rack and Method of Use - One possible embodiment of the invention could be a hitch-mounted telescopic rack and its operation, the rack could be comprised of a vertical telescopic tube assembly having an inner tube movably received within a hollow outer tube, the hollow outer tube having a hitch attachment end while the inner tube has an attachment end that connects to a top tube assembly that movably supports one or more rollers perpendicularly to the vertical telescopic tube assembly; wherein the hitch attachment end is reversibly received by a trailer hitch of an automotive vehicle to vertically orient the vertical telescopic tube assembly and place the rollers in a horizontal position distal from the trailer hitch, the one or more rollers moving an object relative to a rear edge of a top of the automotive vehicle as well as supporting the rear overhanging portion of the object that is placed on the top.04-26-2012
20110101647Towing Apparatus for Vehicles - A towing apparatus that can be mounted to a vehicle chassis/frame or other structural member without requiring relocation of the spare tire or removal of the bumper includes a frame and a hitch apparatus secured to the frame. The frame includes an elongated base member having opposite end portions. A pair of arms extend away from the base member end portions in side by side, spaced-apart relationship. Each arm includes a mounting bracket configured to be attached to the underside of a vehicle. The hitch apparatus is secured to the base member and includes a housing and a tow bar movably disposed within the housing. The tow bar is movable relative to the housing between retracted and extended positions, and is pivotable relative to the housing when in an extended position. A locking member releasably engages the tow bar to maintain the tow bar when fully retracted.05-05-2011
20100207360"Multi-Use Clevis/Ball Combination Hitch Assembly" - A hitch assembly includes a housing bracket having side members and a connecting member. A lower platform is attached to the housing bracket such that a cavity is formed between the lower platform and the connecting member. An L-shaped upper platform is configured to engage the cavity. A mounting bracket is connected to the housing bracket and has at least one adjustment aperture.08-19-2010
20100019471HITCH AND COUPLING ARRANGEMENT FOR AUTOMATICALLY EFFECTING TOWING HITCH AND FLUID QUICK-COUPLER CONNECTIONS BETWEEN A NURSE TANK WAGON AND AN NH3 APPLICATOR IMPLEMENT01-28-2010
20120313349UNIVERSAL HITCH WITH INTEGRAL ARTICULATION, CLAMPING AND LOCKING - A hitch for connecting a movable object to a rigid rod which includes a semi-rigid main substrate including a plurality of grooves, a flexible element fixedly formed over the main substrate including a first portion for gripping a rigid rod, a clamp connected to the first portion of the flexible element. The clamp includes a lever that couples the clamp to at least one of the plurality of grooves of the main substrate such that the first portion can grip the rigid rod.12-13-2012
20090058044DRAWBAR PIN ADAPTER - The invention relates to a drawbar pin adapter. There is a need for a drawbar pin adapter which can allow a smaller drawbar pin to be used with a larger drawbar. A drawbar pin adapter is provided for a tractor drawbar having a lower strap, an upper strap and a drawbar pin bore which extends through the upper and lower straps and which receives a drawbar pin. The adapter includes a cylindrical bushing mountable in the drawbar pin bore in the lower strap and a hollow housing which is mountable over the lower strap. The housing includes a lower plate, an upper plate and left and right side plates. The upper plate has an upper bore formed therein, and the lower plate has a lower bore formed therein. The upper and lower bores have a diameter which is smaller than an outer diameter of the bushing so that the upper and lower plates hold the bushing within the drawbar pin bore in the lower strap. The bushing and the upper and lower bores receive the drawbar pin when it is inserted through the upper and lower straps. A retainer retains the housing to the drawbar when the drawbar pin is removed from the drawbar pin bore. The retainer includes a cable coupled to the housing and looped around a portion of the drawbar.03-05-2009
20120139210Pintle Hitch For Coupling A Towed Implement To A Towing Vehicle - A pintle coupler adapted to mate with a hitch ball for connecting a towed implement to a towing vehicle comprises a flat plate member that is bolted or otherwise affixed to a trailer tongue and that has an aperture formed therethrough of a size to fit over the hitch ball. Pivotally joined to the undersurface of the flat plate is a retainer plate having a U-shaped inset whose width is only slightly larger than the diameter of the hitch ball's pedestal. The retainer plate is movable between a first position where the inset is out of alignment with the aperture in the flat plate to a second position where the two are aligned. Further apertures in the flat plate and the retainer plate become aligned when the retainer plate is in its second position, allowing a spring-ball detent pin to be inserted for locking the retainer plate against rotation relative to the flat plate.06-07-2012
20120091692RECEIVER DEVICE FOR ENGAGING A LANDING GEAR ADAPTER WITH A TUG - A receiver device for engaging a landing gear adapter unit with a tug. In exemplary embodiments, the adapter may include a tow bar with a neck portion between a pair of spaced arm portions. The receiver device forms a travel path boundary for the neck portion and is configured to be complementary with and to engage the neck portion. A mounting portion is provided for mounting the receiver device on the tug in an operative configuration relative to a landing gear-receiving base thereon. At least one releasable locking member is positioned along the travel path to interrupt travel of the neck portion. The locking member is movable between a first unlocked position and a second locked position. Further, in the second locked position, the locking member is configured to lock the mounting portion in the operative configuration.04-19-2012
20120091691ATTACHMENT ASSEMBLY FOR A VEHICLE - An attachment assembly for a vehicle having a receiver for pulling an object or being pulled. The attachment assembly includes a support member for connection to the receiver and an attachment member connected to the support member to provide both pivotal and rotational movement.04-19-2012
20120248738ADAPTOR FOR JOINING TOWING BAR TO NOSE WHEEL OF AIRCRAFT - Towing bars for joining towing vehicles to the front wheel axles of aircraft often include a pair of parallel bars having cylindrical bosses connected to the trailing ends of the bars and opposing one another. The bosses are intended to fit into sockets or bores in the opposing ends of the axle. With certain airplanes the bosses may not be long enough to clear the opposed sides of a nose wheel tire sufficiently so that their ends project into the axle openings. An adaptor to allow such towing bars to fit these aircraft includes a cylindrical rod of a diameter adapted to extend into the end bore of the axle joined at its opposite end to a coaxial, larger diameter cylindrical hub having a bore adapted to receive one of the tow bar bosses. The length of the adaptor hub is such that the tow bar arms clear the outer sides of the tire when the cylindrical rod ends are within the axle bores, allowing the nose wheel to freely rotate during towing and prevent damage to the tire.10-04-2012
20130140793FLANGE MOUNT DRAWBAR WITH SELF-ALIGNING SNUBBER - A drawbar assembly includes a mounting member adapted to couple to a vehicle and that includes a body portion having a first passage, an eye portion extending outwardly from the mounting body portion, wherein the eye portion includes a top surface, a bottom surface and a second passage extending therethrough adapted to receive a pintle hook therein, and a wedge member slidably received within the first passage of the body portion. The wedge member is slidably movable between a first portion, wherein the wedge member is withdrawn into the first passage of the body portion, and a second position, where the wedge member extends into the second passage of the eye portion. The wedge member is located between the top surface and the bottom surface of the eye portion, and does not extend above the top surface or the bottom surface.06-06-2013
20110221167HITCH - A hitch includes a vertically extending trunk portion, a first limb horizontally extending from the trunk portion and a second limb horizontally extending from the trunk portion below the first limb.09-15-2011
20110278823CHILD TRAILER - A child trailer includes a body which includes a plurality of wheel assemblies at the bottom and a joint assembly at the front side to adjust the angle relative to the body. Hence the child trailer can be maintained at a desired angle to support standing of a child or holding of goods. The joint assembly includes a coupler at the front side to fasten the child trailer to the chassis such as a wheel axle, frame or handle of a stroller, thereby can facilitate standing of the child or holding of goods.11-17-2011
20100001490Trailer Hitch - In order for a trailer hitch comprising a cross-member, which has its longitudinal direction extending transversely to a longitudinal direction of a vehicle and which can be connected to a body of a vehicle, a ball neck, which at a first end region is connected to the cross-member by means of a bearing unit and at a second end region carries a coupling ball, to be improved such that it has a lower weight, it is proposed that the cross-member is in the form of a hollow shaped body which varies in cross-sectional shape and has a central region and outer regions which adjoin the central region on both sides and extend as far as outer ends of the hollow shaped body, and that, starting from the outer ends, a cross-sectional shape of the outer regions has a cross-sectional area that increases progressively in the direction of the central region.01-07-2010

Patent applications in class Coupling

Patent applications in all subclasses Coupling