Match Document Document Title
7621551 Trailer hitch adaptor assembly  
An adaptor assembly for attaching a gooseneck assembly to a hitch plate preferably includes a hitch connection tool having a body with a first end and a second end; an adaptor plate connectable to...
7588262 Hitch system for use with a ball hitch and methods therefore  
A hitch system for interconnecting a trailer to a tow vehicle, wherein the tow vehicle includes a hitch ball centered about a medial axis. The hitch system includes an elongate extension coupling...
7506886 Slidable fifth-wheel hitch  
A slidable trailer hitch apparatus comprises a trailer hitch head operable to receive a cooperating portion of a trailer, the trailer hitch head adapted to be slidable and rotatable relative to the...
7469920 Kingpin lock  
A kingpin lock including a body having a substantially frustoconical portion and a kingpin cavity having a central axis, a slide channel having a central axis and a sleeve channel having a central...
7431320 Trailer 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...
7415325 Method and apparatus for data interchange between a tractor vehicle and a trailer vehicle  
A method and apparatus for data interchange between a tractor vehicle and a trailer vehicle coupled thereto. A first electronic device provided in or on the tractor is connected via a data link to...
7306254 Trailer kingpin locking device  
A security device is disclosed which mounts to a king pin of a trailer to prevent unauthorized coupling of the trailer to a tractor. The security device includes a austempered ductile iron dual...
7237792 Protective cushion for a trailer hitch or the like  
This invention relates to a protective cushion assembly that is adapted to protect equipment involved with vehicle towing, particularly the towing vehicle's rear bumper which contemporarily may be...
7232145 Trailer 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...
7226068 Method and device for detecting and stabilizing a fishtailing trailer using wheel forces  
A method and device for detecting and stabilizing a fishtailing trailer using wheel forces. In particular, a method for stabilizing a vehicle combination made up of a towing vehicle and a trailer...
7195271 Pinch-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...
7175194 Anti-jackknife system  
An anti-jackknifing device adapted for engagement between a tractor having a fifth wheel engaged with a trailer. The device features a pair of catch arms rotationally engaged to a mount with the...
7159890 Trailer hitch for a motor vehicle  
A trailer hitch for a motor vehicle includes a towbar ( 2 ) having an arm ( 1 ) and a ball cup ( 3 ) provided with an opening and with a ball pivot ( 6 ). The ball pivot ( 6 ) has a ball head ( 4 )...
7156410 Automated stabilizing system for fifth wheel plate assemblies  
A stabilizing system includes multi-stage locking pins connected to a trailer fifth-wheel plate and a tractor fifth wheel plate. Each multi-stage locking pin includes contiguous members that have...
7143874 Surge brake actuator  
A surge brake actuator is disclosed. The actuator includes an actuator housing and a coupler housing movably engaged within the actuator housing. Upper and lower coupler slide channels formed from...
7100935 Fifth wheel hitch device with pivotal locking ramp  
A improved detachable fifth wheel hitch device with a pivotal locking ramp, which replaces a supplied fifth wheel hitch plate device attached to a truck or pickup mounted fifth wheel hitch base,...
7036840 Trailer 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...
6969085 Safety hold down device and hitch guide for trailer decoupling prevention  
A trailer hitch having a tubular column between a hitch ball and a towing vehicle. A mating shaft with a horizontal retaining plate has a mating shaft fitting removably within the tubular column. A...
6938716 Concrete mixing truck anti-rollover system  
An anti-rollover system is used with a concrete mixing truck with a mixing drum, in particular during turning maneuvers, for preventing rollovers by the truck. The anti-rollover system is comprised...
6932376 Hitch tongue integrated safety fastener for ball and socket hitch  
A safety fastener for ball and socket hitches provides two laterally spaced vertical fastening collars structurally carried on each side of a vehicle hitch tongue forwardly of the hitch ball and...
6926300 Attachment for towing vehicle  
A vehicle towing attachment inserted into a lower portion of a vehicle to be towed raises and holds wheels when the vehicle to be towed is towed. The attachment has three prongs for retaining a...
6886847 Trailer hitch alignment system and method  
A trailer hitch alignment system provides a system that can be utilized with different trailers without requiring modification of the trailers or requiring minor modifications that require less...
6866283 Device for indicating the locking state of a fifth wheel coupling and sensor arrangement  
A device is described for indicating the locking state of a fifth wheel coupling and an arrangement of a first and a second sensor. According to the prior art, the first sensor is arranged on the...
6863295 Electrically controllable trailer coupling  
A trailer coupling for motor vehicles able to be moved from a working position to a resting position and the reverse. To increase safety, a motion of the trailer coupling is allowed only if the...
6860501 Weight distributing hitch assembly  
A weight distributing hitch assembly includes a shank, hitch head, spring bar and lift assembly. The lift assembly is preferably removably mountable to the frame members of a trailer frame while...
6851696 Trailer hitch with separated functions  
A hitch assembly for coupling a trailer to a tow vehicle includes a number of assemblies, including converging links and a slide assembly, that effectively places the pivot point for the trailer...
6848546 Surge brake actuator  
A surge brake actuator is disclosed. The actuator includes an actuator housing and a coupler housing movably engaged within the actuator housing. Upper and lower coupler slide channels formed from...
6806809 Trailer tongue length estimation using a hitch angle sensor  
A control system for estimating the tongue length of a trailer being towed by a vehicle in connection with a front wheel steering with or without a coordinated rear wheel steering associated with...
6802523 Safety fastener for ball and socket hitch  
A safety fastener for ball and socket hitches of medium to heavy vehicles provides a base defining a channel to fit about a hitch tongue beam of a towing vehicle with holes in the base to receive...
6769709 Trailer hitch alignment system and method  
A trailer hitch alignment system provides a system that can be utilized with different trailers without requiring modification of the trailers or requiring minor modifications that require less...
6746035 Tractor trailer anti-jackknifing assembly  
An anti-jackknifing apparatus is disclosed for reducing articulation between a tractor having a fifth wheel and a trailer having a king pin. The anti-jackknifing apparatus comprises a rotatable...
6739611 Force-sensing fifth wheel  
A sensing system employs multiple sensors utilizing mounting structure integrated into a fifth wheel hitch and which is protected from the environment, is capable of accurately measuring forces...
6714124 Truck trailer impact warning system  
A system adapted to be mounted on a pickup truck for warning the driver of the truck should the front section of a fifth wheel trailer pivotally supported on a hitch secured in the bed of the truck...
6695337 Pivotal pin lock for fifth wheel hitch  
An improvement to a fifth wheel hitch providing a pivotal pin lock to retain a kingpin of a fifth wheel trailer within a front opening of the fifth wheel hitch during the loading process prior to...
6688631 Device for damping the yawing motions of a highway trailer drawn by a motor vehicle  
The device for damping yawing motions between a highway motor vehicle and its trailer is composed of a curvilinear damping track ( 4 ) acted upon by a friction device ( 17 ) which may be a...
6668225 Trailer control system  
A trailer control system incorporates sensors on both the trailer and a tow vehicle towing the trailer to measure operating parameters of both the trailer and the tow vehicle or prime mover. A...
6651581 Back-up range guide for vehicles  
A vehicle back-up guide comprised of a lever arm which defines an abutting arm and a spacing arm angled relative to each other. The lever arm is pivotally mounted to a mounting means to the rear...
6637765 Towing safety device  
A towing safety device for securing a trailer hitch of a trailer in a coupled configuration with a hitch ball of a towing vehicle. In one embodiment, the towing safety device includes a base plate...
6598895 Arrangement for a tractor vehicle  
A towing vehicle includes a body on two frame side members and a towing device supported on the members. The frame side members extend substantially parallel in the longitudinal direction of the...
6565108 Locking mechanism for trailer-pulling assemblies  
A locking mechanism for an articulating trailer of the type which couples to a king-pin plate provides an arrangement for locking the trailer in a non-articulated position while allowing the...
6547270 Fifth wheel kingpin retaining bar  
The invention is an improvement to a existing fifth wheel hitch mounted within the bed of a pickup, the improvement applied to the existing fifth wheel hitch either before or after installation to...
6491317 Fifth wheel safety catch  
The invention is an attachment for a fifth wheel trailer hitch generally mounted within the bed of a vehicle to prevent damage to the vehicle in the event that the fifth wheel hitch fails due to...
6483059 Motor vehicle tow hitch failure signal device  
A device signals possible failure of a typical ball-and-socket hitch. A breakaway switch on the rear of the towing vehicle has an actuating member positioned substantially immediately above the...
6446998 Device for determining a distance of a motor vehicle from an object  
A device for determining a distance between the back of a motor vehicle and an object located behind the motor vehicle, including a sensor arrangement for detecting a distance between at least one...
6422585 Visual alignment aid for connecting trailers  
The invention is a visual alignment aid device that is supported on a towing vehicle to aid in the alignment of the ball on the towing vehicle with the socket in the trailer of the vehicle to be...
6422584 Hydraulic system for damping the motion of rotation of a swivel joint between two vehicle parts of an articulated vehicle, of an articulated bus for example  
A hydraulic system for damping the motion of rotation of a swivel joint between two vehicle parts of an articulated vehicle, of an articulated bus for example, comprising a hydraulic damping device...
6409200 Visual alignment aid for connecting trailers  
A visual alignment aid device for visually aiding a driver of a towing vehicle to align the ball on the towing vehicle with a socket on the tongue of a trailer. The device includes an elongated...
6394480 Anti-coupling device for semi-trailer  
An anti-coupling device for a semi-trailer to prevent the coupling of a semi-trailer's kingpin to a tractor's fifth wheel comprising of a housing assembly mounted within a specific radius of the...
6386571 Side strut for a lower steering arm of a tractor  
A side strut ( 5 ) for a lower steering arm of a tractor has a single-action hydraulic cylinder and a setting unit with a hollow cylinder ( 17 ) and an adjustable setting element 20 . The setting...
6340167 Anti-jackknife trailer coupling  
This invention is a trailer-tractor rig coupling that prevents jackknifing. It performs like a standard coupling in all normal cases, but if on icy roads, the semi slips and turns opposite to the...