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Class 280/479.2 - Telescoping drawbar swingable on horizontal guide


Subclass of Class 280 - Land vehicles
Definition: Vehicles where the drawbar or trailer tongue may elongate
No. of patents: 58
Last issue date: 03/22/2011


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NumberTitleIssue Date
7909350Method and apparatus for adjustable trailer hitch
Method and apparatus for an adjustable trailer hitch which allows the ball to be adjustable laterally and longitudinally so that the tongue of the trailer can be can be more easily attached to the ball of the towing vehicle. A body portion is mounted on a slide-tube...
03/22/2011
7425014Trailer hitch
A trailer hitch facilitating proper alignment and connection to the hitch coupler of a trailer. The trailer hitch includes a tow bar assembly and a throat having spaced parallel top and floor panels generally equal in spacing to a vertical thickness of the tow bar a...
09/16/2008
7350799Coupling device for a handling trolley
A coupling device for a handling trolley comprises a drawbar (22) arranged at the front of the trolley and designed to co-operate with the hook (24) provided at the back of a tractor, in particular a trolley preceding a line of trolleys. The drawbar (
04/01/2008
7338064Pivotal fold away trailer hitch mount
A pivotal fold away trailer hitch mount which comprises a mounting plate secured to an underside of a frame of a motor vehicle and adjacent to a bumper of the motor vehicle. A hitch assembly is also provided. A mechanism is for pivotally connecting an inner end of t...
03/04/2008
7338062Swivelling 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
7311335Trailer and fuel tank assembly
A trailer and fuel tank assembly are disclosed. The fuel tank preferably forms the body of the trailer. The fuel tank may include a recess in the top surface for receiving the motor and/or pump, which may lower the pump closer to the ground to increase the suction p...
12/25/2007
7303210Secure crank locking device for trailer landing gear assembly
A secured crank locking device automatically secures a hand crank in its operative position to an input shaft of a gearing mechanism, with the locking device being easily disengaged to move the crank from its operative position to a stored position following rotatio...
12/04/2007
7293791Telescoping and swiveling hitch assembly
A hitch assembly for connecting a towed vehicle to a towing vehicle include a housing mounted on the towing tongue of the towed vehicle having a tow bar mounted in an internal cavity having a restricted throat. Tow bar can be extended and pivoted to position a hitch...
11/13/2007
7267354Towing device
The present invention relates to a towing device which can be attached to a vehicle, in order to tow a heavy equipment vehicle, such as a tractor. The towing device includes a towbar hitch having two ends, a first end which attaches to a towing vehicle and a second ...
09/11/2007
7137516Display unit for trailer hitches and trailer hitch accessories
A hardware display unit includes a front grid having a front matrix of openings, and a rear grid having a rear matrix of openings corresponding in position to the first matrix of openings. The front grid is positioned with respect to the rear grid such that correspo...
11/21/2006
7134679Towing device used to facilitate connection of a towing vehicle to a towed vehicle
A towing device is provided for use on a vehicle to facilitate the connection of a trailer hitch to a coupler. The towing device has a frame configured to be securely attachable to an undercarriage of the vehicle. An extension bar movably engages the frame. The mova...
11/14/2006
7125035Lubricating hitch receiver cover
A lubricating hitch receiver cover preferably includes a male body, an end cap, a quantity of a lubricant and a fastener. The end cap terminates one end of the male body. An outer perimeter of the male body is sized to be received by a female cavity of the female hi...
10/24/2006
7097193Gooseneck 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
7082350Robot system
An autonomous wheeled mobile robot (1) comprising at least one wheel-driving motor, an on-board computer, means for navigation, orientation, and maneuvering in an environment with moving obstacles; a sensor system; and a wireless communication system for rece...
07/25/2006
7052032Pivotable anti sway trailer hitch
A trailer hitch assembly that can be extended and turned from side to side to facilitate hookup of a vehicle to be towed and that can when not in use be stowed out of the way without removal from the towing vehicle is shown. The hitch assembly also serves to control...
05/30/2006
7032919Tow bar for vehicle
A tow bar for connecting a towed vehicle to a towing vehicle, the tow bar comprising a towing vehicle connection mechanism connected to the towing vehicle; a towed vehicle connection mechanism connected to the towed vehicle; and an interconnecting mechanism connecti...
04/25/2006
7007967Sectional tongue assembly for a trailer
A trailer tongue assembly has a base section which is engagable with a trailer and an extension section which supports a coupler. The trailer tongue assembly also has an internal hinge positioned between the extension section and the base section. The internal hinge...
03/07/2006
6948732Convertible cargo rack
The present invention is directed to a convertible cargo rack that can be configured in one of two positions. In the first configuration, the cargo rack is suspended behind a vehicle, and in the second configuration, the cargo rack is pulled behind the vehicle in a ...
09/27/2005
6932375Trailer coupling for a work vehicle
A trailer coupling for an agricultural or industrial vehicle includes two guide rails which extend vertical and parallel to each other. A support is slidingly received by horizontal extending guide grooves in the guide rails. Different couplers can be mounted on and...
08/23/2005
6889994Trailer pulling apparatus
A trailer pulling apparatus consisting of a quill having a bore and having an outer surface; a trailer mount fixedly attached to the outer surface of the quill; a tongue having forward and rearward ends, the tongue slidably extending through the bore of the quill; a...
05/10/2005
6863294Easy alignment trailer hitch
An easy alignment trailer hitch comprising a conventional hitch insert to be attached to a towing vehicle and aligned holes through sidewalls thereof; an insert assembly having spaced apart slide plates connected at one end to an end plate to be inserted into the bo...
03/08/2005
6758485Retractable hitch
A trailer hitch assembly for a vehicle includes a generally tubular receiver configured for attachment to the vehicle, and having a central aperture formed by walls of the receiver. The receiver has a rearward end. A hitch member is slidably received within the cent...
07/06/2004
6749213Drawbar support assembly
A vehicle drawbar support assembly for supporting a drawbar pivotally coupled to a frame of the vehicle includes a drawbar support attached to the frame. The support engages and supports an end of the drawbar. A pair of bushing members are mounted to the support on ...
06/15/2004
6364337Pivoting trailer hitch adapter system
Disclosed is a trailer hitch adapter system that may be used to convert a standard trailer into a trailer having a pivoting hitch tongue. The system preferably comprises a hitch tongue that is movable between two positions: an out-of-the-way storage posit...
04/02/2002
6170852Trailer hitch assembly
A trailer hitch assembly for allowing a user to simultaneously extend and pivot the distal end of the trailer hitch to position the hitch ball in a desired position. The inventive device includes a support frame attachable to a vehicle, a telescoping stru...
01/09/2001
6068281Trailer hitch assembly
A trailer hitch assembly for connecting a vehicle with a trailer includes a slide tube configured for connection with a hitch receiver channel of the vehicle. A draw bar is disposed within and slidingly carried by the slide tube. The draw bar is slidable ...
05/30/2000
5992871Swing-away trailer hitch/coupler and method of manufacturing
This invention pertains to a swing-away hitch for trailers, in particular the boat trailer market. Boat trailers are longer than the boats itself for towing purposes. When having to store the boat and trailer in a small space, the tongue with the hitch of...
11/30/1999
5941550Trailer hitch assembly
The invention is directed to a trailer hitch assembly for connecting a vehicle with a trailer. The trailer hitch assembly includes a slide tube which is configured for connection with the vehicle. The slide tube includes a first opening therein. A collar ...
08/24/1999
5890617Swing-away trailer hitch/coupler
This invention pertains to a swing-away hitch for trailers, in particular the boat trailer market. Boat trailers are longer than the boats itself for towing purposes. When having to store the boat and trailer in a small space, the tongue with the hitch of...
04/06/1999
5806872Trailer hitch assembly
The invention is directed to a trailer hitch assembly for connecting a vehicle with a trailer. The trailer hitch assembly includes a slide tube which is configured for connection with the vehicle. The slide tube includes a first opening therein. A collar ...
09/15/1998
5636885Combination automobile grill guard and tow hitch
A combination automobile grill guard and tow hitch adapted to be coupled to the end of a motor vehicle, the apparatus comprising: a frame having a central segment formed as a tow hitch and two side segments, each side segment being formed in a planar gene...
06/10/1997
5593171Trailer hitch
An improved trailer hitch is described which facilitates hitching of a trailer to a towing vehicle, and more particularly a trailer hitch is described which permits repositioning of the hitching ball to facilitate alignment with the hitching mechanism. Th...
01/14/1997
5580088Manually operated trailer hitch with extendable swinging boom
A trailer hitch has a boom which is slideable from a drawn in position to different extended positions and which independently of its extendability is swingable from a centered position to different sideways angled hook up positions. The trailer hitch is ...
12/03/1996
5547210Trailer hitch
A trailer hitch is designed to be inserted in a conventional square-shaped sleeve or receiver fixed to the back of a vehicle. The hitch includes a sleeve and an arm which is received by and pivots simultaneously with the sleeve....
08/20/1996
5503423Swing away hitch assembly for a trailer and method of manufacturing same
The invention relates to a swing away hitch for a trailer and method of making same. The hitch is intended to allow the trailer to be parked in a building only slightly longer than the boat itself. Boat trailer hitches extend beyond the bow of the boat by...
04/02/1996
5342076Gooseneck trailer hitch
This invention relates to trailer hitches generally and more specifically to a hitch that may be swiveled and extended as necessary to couple a trailer thereto and readily align and lock the hitch in transportation mode. The hitch has a base plate with a ...
08/30/1994
5322315Towing hitch
A towing hitch for coupling a towing vehicle with a vehicle which is to be towed is provided which includes a body having a pocket within which a receiver tube is pivotally mounted. The receiver tube telescopically mounts a tow bar which is configured for...
06/21/1994
5288095Trailer hitch
This invention relates to trailer hitches generally and more specifically to a hitch that may be swiveled and extended as necessary to couple a trailer thereto and readily align and lock the hitch in transportation mode. The hitch has a base plate with a ...
02/22/1994
5277447Trailer hitch with alignment adapter
In a trailer hitch connecting a towing vehicle and an trailing vehicle, each "coupling" member of each vehicle has a support component and an attachment component. An adapter is interposed between and attached to the support component and the attachment c...
01/11/1994
5213354Coupling device for towing a vehicle
A base member for attachment to a vehicle to be towed comprising elongate upwardly converging guide walls of equal length to slidably receive a drawbar therebetween for movement between retracted and advanced positions relative to the base member. The dra...
05/25/1993
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