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Class 280/504 - Coupling


Subclass of Class 280 - Land vehicles
Definition: Devices in which the articulated vehicles are provided with
No. of patents: 213
Last issue date: 12/15/2009


1            
NumberTitleIssue Date
7631886Trailer coupling for tractive vehicles, in particular agricultural tractors
A trailer coupling for tractive vehicles, in particular agricultural tractors, consisting of two vertical guidance cheeks (7), fitted with lateral spacing to the rear of the vehicle, the guidance cheeks including vertical slots (7a) and a bearing membe...
12/15/2009
7441793Tow 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 ā€œUā€ shaped outer laminate plate having two legs with a semi-circular region therebetween, and at least one substantially flat ...
10/28/2008
7431321Trailer 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
7431320Trailer safety hitch
A trailer hitch for resisting inadvertent separation of a trailer tongue coupler from a vehicle's hitch ball. The trailer hitch includes a sleeve, a retainer rotatably disposed within the sleeve and including: a rod rotatably disposed within the sleeve, a displaceme...
10/07/2008
7425015Height adjustment hitch apparatus
A apparatus having a height adjustment mechanism to adjust the height of a trailer. The height adjustment mechanism is comprised of, among other elements, an outer tube, a crank assembly having a drive gear, an inner tube having an internally threaded acme nut, and ...
09/16/2008
7425016Hitch coupler
A ball hitch coupler including first and second sidewalls spaced apart and generally parallel. First and second pins extend transversely between the first and second sidewalls spaced apart along a length of the first sidewall and the second sidewall. At least one of...
09/16/2008
7416206Drawbar hammer strap pin lock
A drawbar hammer strap assembly design achieves a low profile, and prevents rotation of the drawbar and of the cross pin. The drawbar hammer strap assembly includes a drawbar, a hammer strap member attached to the drawbar, a drawbar pin mountable to drawbar and hamm...
08/26/2008
7364181Self locking coupling device
A coupling device that requires no manual actuation to achieve coupling features a locking bolt movable along a hole extending into a mouth of a hook body to secure a coupling pin therein. A control lever pivotally connected to the locking bolt opposite the mouth en...
04/29/2008
7334809Trailer hitch assembly
A trailer hitch assembly better secures a trailer to a vehicle trailer hitch. By restricting vertical travel of the trailer coupling, a hitch ball on a draw bar is better engaged by the trailer coupling as any vertical dislodgement of the trailer coupling from the h...
02/26/2008
7293680Lifting device
A lifting device has a base rack section, a middle section and a vehicle mounting section, each of three sections having hand grips and being movably secured together in order to promote the lifting or moving of a heavy item from one section to another. As that heav...
11/13/2007
7278502Implement and power take off attachment system
A quick attaching coupler is mounted to a tractor three point hitch, with a first actuator linked to latches on both sides of the hitch. The first actuator may be moved by a seated operator between a first position wherein both latches are unlatched and a second pos...
10/09/2007
7253721Vehicle/implement coupling condition monitoring system
An engine-driven vehicle/implement coupling system includes a mechanical coupling and one or more electronic and/or hydraulic connections. A coupling condition monitoring system includes one or two electronic control units, sensors for sensing a coupling condition o...
08/07/2007
7237788Boat loading system
A system enables a boat to be loaded from water onto a trailer that is partially submerged on a ramp at the edge of the water. One part of the system is a connector that is mounted on the keel of the bow. Another part of the system is a transversely mounted removabl...
07/03/2007
7232145Trailer hitch alignment mechanism
A mechanism for ensuring that a trailer is properly attached to a trailer hitch on the back of a vehicle. The mechanism ensures that the trailer tongue on the trailer is properly and securely mounted on the metal ball on the trailer hitch on the vehicle. ...
06/19/2007
7222873Tow hook hitch assembly
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...
05/29/2007
7198283Cart handle assembly
A cart assembly comprises an undercarriage supporting a cart frame, the undercarriage having one end and a connecting portion extending from cart frame and/or the undercarriage for connecting the cart assembly with an adjacent article, the cart frame including a han...
04/03/2007
7195271Pinch-resistant hitch assembly and children's ride-on vehicle assemblies including the same
Children's ride-on vehicle assemblies that include a leading vehicle, a trailing vehicle, and a connection apparatus, such as a hitch assembly, that selectively interconnects the leading and trailing vehicles. At least the leading vehicle includes a drive assembly a...
03/27/2007
7195269Hitch
A hitch includes a hitch engagement, a hitch tongue and a connecting bridge portion which are forged or otherwise formed as a single, integral, monolithic metal structure. The hitch engagement includes a recess exposed on its bottom side which significantly reduces ...
03/27/2007
7152870Gooseneck trailer hitch
A trailer hitch having an assembly housing that is mounted to the bed of a vehicle, the assembly housing receiving a ball hitch that extends out of the top of the assembly housing, and a torsion bar disposed within the assembly housing to dampen the vibration of the...
12/26/2006
7093845Motion 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
7081197Step apparatus
There is provided step apparatus comprising a mounting plate (60) colocated with a pintle hook assembly (61) of a vehicle. The mounting plate (60) has an upper extension (65) having formed thereon a pair of spaced lugs (66) adapted...
07/25/2006
7077417Connecting device
A connecting device for connecting an accessory to a hitch receiver with an outward end defining an opening. The connecting device has a base with a body portion receivable in the hitch receiver. The body portion is adapted for coupling with the hitch receiver to lo...
07/18/2006
7073857Trailer hitch chair hanger
Apparatus to provide an overhead support for suspending hanging furniture includes a base configured for attachment to a vehicle trailer hitch receiver. An upright member extends upwardly from the base and at least one support member extends outwardly from the uprig...
07/11/2006
7055845Adjustable hitch
A vertically adjustable hitch having a locking latch. The hitch is quickly adjustable along a vertical hitch bar using pins to secure the hitch. The upper portion of the first end of the body is offset from the center of the mounting base for the hitch in a first di...
06/06/2006
7055844Trailer hitch storage apparatus
A trailer hitch storage apparatus designed to carry a removable trailer hitch used in receiver type hitches. The apparatus consists of a frame comprising a mounting plate, at least one bracket for supporting the trailer hitch extending from the mounting plate, a cen...
06/06/2006
7044494Tow-hitch apparatus
A tow hitch comprised of an elongated shank of rectangular cross-section. The shank has four side surfaces. A first tow ball of a first dimension is fixedly mounted to a first of the side surfaces. A second tow ball of a second dimension is fixedly mounted to a seco...
05/16/2006
7036840Trailer alignment apparatus
A trailer alignment apparatus including a quick adjusting clamping system coupled with a mast that is fastened to a trailer hitch. The mast has an illumination means and a speaker means attached to and spaced from a first end of the mast. Further, the quick adjustin...
05/02/2006
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
7017935Trailer coupler
A ball hitch coupler for use with a towing vehicle having a ball hitch. The ball hitch coupler provides an improved and simplified structure designed to make assembly and coupling to the ball hitch easy, while not compromising coupler strength or security. The ball ...
03/28/2006
7016862Method for enhancing security and providing assistance in the operation of a self-service checkout terminal
A method of providing security during operation of a self-service checkout terminal includes the step of creating a transaction table which includes a plurality of records corresponding respectively to a plurality of items entered into the checkout terminal during a...
03/21/2006
6994393Trailer
A trailer including an inner frame that is made of metal, an outer shell that is made of a non-metal and that at least partially surrounds the inner frame, and at least one wheel rotatably secured to the inner frame. In a preferred embodiment, the outer shell is mad...
02/07/2006
6981716Towing device
A towing device for selectively locking a towing load has a support member that pivotably supports a link member at a first pivotal point near the first proximal end. A stopper is located on the support member for regulating a pivotal movement of the link member. A ...
01/03/2006
6974147Internal tightening system for preventing relative movement between a pair of interconnected members
A system for preventing relative movement between first and second members, in which the first member is received within a passage defined by the second member. The system includes an engagement or locking member, which may in the form of a cam, that is movably moun...
12/13/2005
6966388Offset hitch
A heavy gauge agricultural implement hitch is disclosed which is offset such that the implement and the tractor are not directly in line with one another, but allows the tractor to follow the previous crop rows and the implement to be offset of the previous crop row...
11/22/2005
6956468Sensing mechanism for hitch articulation angle
The invention describes a sensor mechanism for measuring hitch articulation angle. A configuration of the contact face between hitch ball and receiver eliminates the effect of the unwanted trailer motions, such as roll and pitch while accurately registering trailer ...
10/18/2005
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
6945550Securing device for receiver hitch assemblies
A spring nut assembly is inserted within the internal cavity of a shank tube until the nut is aligned with opposing side holes in the side walls of the shank tube. The spring maintains the nut in alignment with the opposing side walls. A hitch pin including a thread...
09/20/2005
6931906Method and apparatus for cold forging a trailer hitch receiving housing
A cold forging process and apparatus for reinforcing an end of a rectangular tube, including a close fitting, rectangular upper mandrel that inserts into the tubing. The upper mandrel has flared corners at the end attached to the upper die. As the upper die is moved...
08/23/2005
6932301Buckle for kites and the like
Described is a device that releaseably couples a person to kites and other like sports equipment. The device for coupling to kites and other like sports equipment comprises a releasable hook mechanism attached to a spreader bar, said releasable hook mechanism compri...
08/23/2005
6921099Apparatus for releasably coupling a trailer or other vehicle accesory to a vehicle
Apparatus for releasably coupling a vehicle accessory to a vehicle is disclosed. The apparatus comprises a housing, an accessory coupler for coupling a vehicle accessory to the housing, and a hitch pin. The housing comprises an upper wall, a lower wall, and opposed ...
07/26/2005
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