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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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 )...
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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...
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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...
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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,...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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