Class 280/514 - Interlocked

Subclass of Class 280 - Land vehicles
Definition: Devices in which each of the coupling members consists of
No. of patents: 26
Last issue date: 10/19/2010

Number	Title	Issue Date
7815212	Air-operated coupling assembly An adapter for coupling an actuator having an actuator rod that is linearly translatable along a first axis to a coupler having a lever arm with a contact face adapted to contact the draw arm and move the draw arm translationally along a second axis that is at an an...	10/19/2010
7441793	Tow hitch lunette assembly For use in a vehicular trailer hitch system, a vehicular trailer hitch lunette assembly is provided. The assembly includes at least one “U” shaped outer laminate plate having two legs with a semi-circular region therebetween, and at least one substantially flat ...	10/28/2008
7431321	Trailer hitch assembly A trailer hitch assembly includes a receiver portion including a cylindrically-shaped cavity, a bushing member received within the cavity of the receiver portion, and a hitch member that includes a shaft pivotally received within the bushing member. At least a selec...	10/07/2008
7419178	Draw gear for industrial vehicle A draw gear has a drawbar space formed in a rear part of a counterweight of a industrial vehicle. A drawbar is installed in the drawbar space. An upper section positioning portion is provided in the drawbar space for allowing the drawbar to be moved in a first direc...	09/02/2008
7378013	Gooseneck trailer coupler A coupler comprised of a coupler housing having a first opening formed therein. The opening has a concave cavity. A cylindrical socket is formed within the housing. A second opening in the housing communicates with the cylindrical socket. A lock ring is provided, th...	05/27/2008
7371146	Toy construction set method and apparatus The present invention is an improved construction toy set having a number of different structural elements which are configured for snapping together. These elements having key connectors configured for mating together, where integral locking indentations in the key...	05/13/2008
6969628	Microstructure and method for the production thereof The invention relates to a microstructure in a preferably electrically conductive substrate (1), more specifically made of doped single crystal silicon, with at least one functional unit (2.1, 2.2) and to a method of fabricating the same. In accordance...	11/29/2005
6902183	Tow hook hitch assembly and method A tow hook hitch assembly attaches to one or both of the front tow hooks provided on a four wheel drive vehicle for mounting a tow ball, winch, or other accessory to the front end of the vehicle. The tow hook hitch includes an upper member extending above the tow ho...	06/07/2005
6817503	Multiple accessory port assembly for a vehicle A multiple accessory port assembly (10) for mounting an accessory to the frame of a vehicle includes a frame member (12), a pair of mounting brackets (14, 14) for securing the assembly to the vehicle frame, and a pair of accessory ports (22, ...	11/16/2004
6695338	Gooseneck hitch assembly A gooseneck hitch assembly for attaching to a tow vehicle such as a pickup truck. The hitch assembly may include a cylinder attached to the vehicle frame such that the cylinder extends through the vehicle cargo bed. A ball hitch may be removably inserted ...	02/24/2004
6634667	Pintle hook connection A connection (1) for a pintle hook tow point having a rearwardly and upwardly extending horn, and which extends rearwardly from a forward mounting plate of the pintle hook tow point. A bracket (2) of the connection (1) carries a transverse roller (3) moun...	10/21/2003
6619687	Quick hitch drawbar assembly The quick hitch drawbar assembly accepts a standard yoke hitch but simplifies the tractor/scraper connection. Holes in the drawbar are replaced with slots which are angled to prevent accidental disconnection. These slots are wider at the top to simplify a...	09/16/2003
6415475	Handle for adjustable hitch head assembly A hitch handle for engaging and facilitating carrying of a hitch head assembly of the type which includes a substantially vertically extending adjustable hitch bar having one or more circular openings. The handle has an L-shaped portion, the elongated leg...	07/09/2002
6390314	Automatic trolley clamp lock The present invention provides systems and methods that reduce the number of mis-routed trolleys in an AGV system. The invention provides a solenoid driven automatic coupling for coupling a trolley to an AGV. When an AGV arrives at a particular preprogram...	05/21/2002
6318746	Connector system for coupling a trailer suspension frame A connector system for coupling a suspension frame device to the rear part of a transport trailer for use in distributing the weight of the load of the trailer to extra wheels and/or providing an effective attachment arrangement for connecting a second tr...	11/20/2001
6199891	Trailer safety hitch A safety connector for securing a trailer to a towing vehicle having a trailer hitch mounting member. The safety connector includes a trailer hitch adapted to be secured to the trailer hitch mounting member of the towing vehicle. The trailer hitch has a l...	03/13/2001
6158760	Trailer hitch assembly A hitch assembly for use with a vehicle, where the hitch assembly incorporates a tow loop adapted to be easily coupled to a claw, hook or other like implement of a towing chain or alternatively to a towing strap or rope. The hitch assembly comprises a rec...	12/12/2000
6092827	Towing pintle extender device A modified pintle assembly for an armored personnel carrier is secured to a swingable ramp at the rear of the carrier. The assembly comprises a back late affixed facially on the ramp and dogleg plates fixed to the back plate. The dogleg plates pivot on on...	07/25/2000
5624137	Towable auxiliary fuel tank A towable, auxiliary fuel tank designed to transport a supply of fuel, so that a towing vehicle is able to consume the fuel present in the tank, thus extending the range of the vehicle. A ring is affixed to the trailer of the tank so that it may be connec...	04/29/1997
5489112	Hitch mount A support mounting unit is provided for mounting a transportable cart or like apparatus to a vehicle so as to provide an easy method of transport for an apparatus. The mounting unit includes a mounting means for securing the invention to the rear bumper o...	02/06/1996
5312128	Dual use trailer coupling A trailer coupling has a removable unitary coupler-receiving element that includes both a ball configured to receive a spherical cavity coupler and a cylindrical neck configured to receive a drawbar eye. A latch is movable about a vertical axis between a ...	05/17/1994
5033764	Locking trailer coupling A trailer coupling which receives the annular eye of a drawbar over a rearwardly and upwardly-projecting pintle, has a latch which engages the pintle and overlies the drawbar to prevent the drawbar from becoming dislodged during use. The latch is rotatabl...	07/23/1991
4962945	Easy hitching mechanism The present invention relates to a hitching device designed to be used to detachably connect two vehicles together. The hitching mechanism includes two jaws which may pivot with respect to one another in a controlled manner by virtue of intermeshing geari...	10/16/1990
4279431	Coupling hook In a coupling hook for the lower links of a three-point linkage for connecting an agricultural implement to a tractor, side walls define the lateral confines of a pocket. The side walls are shaped to form a jaw into which a coupling element is seated. A l...	07/21/1981
4202454	Coupler to connect convertible rail-highway vehicles end to end A coupler to connect convertible rail-highway vehicles end to end to achieve train configuration to carry vertical loads of about 25,000 pounds and at the same time provide limited rolling, pitching and yaw actions between the coupled vehicles. The couple...	05/13/1980

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Class 280/514 - Interlocked