Class 280/488 - About vertical pivot

Subclass of Class 280 - Land vehicles
Definition: Devices in which the draft connection between the vehicles
No. of patents: 23
Last issue date: 03/04/2008

Number	Title	Issue Date
7338063	Trailer damping apparatus and trailer utilizing same A damping apparatus for a gooseneck trailer and a gooseneck trailer are provided. The damping apparatus includes an inner shaft and an outer shaft reciprocable about the inner shaft. A first plate is coupled with the outer shaft. A second plate may be coupled with t...	03/04/2008
7338062	Swivelling extender tow hitch and method of centering and locking same A tow hitch for a vehicle with adjustments which simplify the coupling process. During coupling a draw bar, slideably positioned in a housing pocket, is afforded continuous adjustment latitude in both a left to right and front to back arc. Even if the vehicles are c...	03/04/2008
7314200	Support and transport system for medical apparatus A support and transport system for a patient care apparatus comprised of a first arm assembly connected to a stationary support and a second arm assembly connected to a patient transfer vehicle. An end cap for supporting a patient care apparatus is selectively attac...	01/01/2008
7264260	Adjustable hitch A quick attach/detach adjustable hitch which allows the operator of a towing vehicle to connect to a trailer without leaving the driver seat. The preferred embodiment includes a lifting carriage connected within a frame by a hydraulic cylinder. Guiding members are u...	09/04/2007
7255362	Tiltable trailer hitch A tiltable trailer hitch for assisting in the loading and unloading of a trailer. The hitch includes a shank adapted to be received within a conventional trailer hitch and a ballmount pivotally mounted on the shank. An adjustment bracket is carried by the shank and ...	08/14/2007
7097193	Gooseneck trailer hitch and method The gooseneck trailer hitch assembly includes a block tube that is fixed to a trailer frame. A top plate is fixed to the block tube. A vertical shaft is connected to the top plate. A steel spherical member is slidably mounted on the vertical shaft. Two rings are cla...	08/29/2006
7093845	Motion absorbing hitch A motion absorbing hitch for dampening forces on a towing vehicle from movement of a trailer assembly towed by the towing vehicle includes a towing attachment assembly coupled to a towing vehicle, a trailer attachment assembly pivotally coupled to the towing attachm...	08/22/2006
6854757	Shock absorbing trailer hitch A shock absorbing trailer hitch generally includes a socket adapted to lock onto a ball connected to the towing vehicle. The socket is connected to a lower support member which supports the bottom of a shock absorbing assembly. An inner tube extends up from the sock...	02/15/2005
6601867	Breakaway coupler assembly A trailer having a tongue that defines a longitudinal axis and includes a coupler portion. The coupler portion of the tongue can pivot relative to the longitudinal axis, thereby forming an angle between the coupler portion and the longitudinal axis. In a ...	08/05/2003
6283489	Anti-sway control device for trailers An apparatus for reducing the sway of a trailer includes a first portion that is attached to a towing vehicle at any of several locations including an end portion of a receiver hitch, a bumper, a frame or body member, or by the use of a modified type of a...	09/04/2001
6155588	Tilting hitch for trailer The tilting trailer hitch (10) includes a compressible main support assembly (22) having a hitch coupler (24) and a hitching mechanism (26) attached thereto. The hitch coupler (24) is configured to connect a towing connector (92) to a towing vehicle (94) ...	12/05/2000
5906164	Coach coupling assembly Coach coupling assembly for coupling together two coaches of a railbound multi-unit set of coaches has a first coupling arm fixed to one of the coaches and a second coupling arm fixed to a second one of the coaches. The first coupling arm has a vertical t...	05/25/1999
5851020	Gang hitch for mower A hitch assembly for towing a mower includes a tool bar, a first hitch member for mounting on the tool bar, a pivot pin extending from the mower for engagement by the hitch member, and a spring for exerting a lifting force between the pin and the hitch me...	12/22/1998
5292152	Transport apparatus Hitch apparatus is disclosed with particular application to open-topped bulk-haulage trailers, the hitch apparatus comprising a pair of hitch beams which are joined at a hitch pin at the front of the trailer and diverge laterally and rearwardly to join to...	03/08/1994
5118127	Hitch device for interconnecting mobile apparatus in tandem The invention is a hitch device for interconnecting two mobile apparatus, such as a hospital gurney and an IV stand. The hitch device comprises a body having first and second ends, each end having a coupling for attachment to a mobile apparatus, and a mon...	06/02/1992
4943080	Swather hitch device for pull-type implements A control device is mounted on the tongue of a drawn implement, normally an implement that extends to one side of the tongue. The control device includes a strut that is mounted on the tongue of the towed implement and projects laterally from the tongue, ...	07/24/1990
4281847	Trailer hitch The present invention is directed to a trailer hitch for a vehicle. The trailer hitch is designed to be connected to a vehicle and permits two degrees of freedom for the hitchpoint. The first degree of freedom is in a lateral direction which permits the h...	08/04/1981
4266793	Bicycle hitch device This invention is a hitch device particularly adapted for connecting a single wheel trailer to a bicycle. The ball member of the hitch device is connected to the bicycle frame. The cup member for coupling to the ball is connected to the end of the draw ba...	05/12/1981
4214636	Three-point hitch adapter An adapter for mounting an implement on a tractor has a frame to which the implement is attached and which, in turn, it is connected with the vertically swingable stabilizer link of the three-point hitch of the tractor. A crossbar, connected with the two ...	07/29/1980
4211286	Reversible disc plough A reversible multi-disc plow has its main frame, to which the plow beam is pivoted, connected in front by a vertical pivot to a mounting frame which made for connection to the three point lifting system of a tractor. The pivotal movement of the main frame...	07/08/1980
4103794	Bale mover A wheel mounted chassis is provided with a pair of spaced and parallel conveyor chains extending longitudinally from the front to the rear of the chassis. A pair of cylindrical bale, pick-up arms are pivoted forwardly of the chassis and are adapted to be ...	08/01/1978
4037856	Lateral force limiting coupler assembly A coupler assembly for limiting lateral forces which may be generated during the highway operation of a trailer coupled to a towing vehicle. The present invention is part of the yoke of the trailer, and comprises a completely self-contained system for mom...	07/26/1977
3995878	Aircraft towbar An aircraft towbar includes a forward section, which may be attached to a towing vehicle, and a pivotally connected rearward section which may be attached to an aircraft nosewheel. A C-shaped yoke connected to the forward section engages a compression spr...	12/07/1976

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Class 280/488 - About vertical pivot