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7387308 |
Single wheel trailer and stabilizing hitch
The single wheel trailer and stabilizing hitch assembly includes a hitch which precludes lateral tilt or roll of a trailer about the longitudinal axis of the towing vehicle and trailer, the trailer...
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7261312 |
Trailer stabilization and weight distribution device
A trailer-stabilizing device that stabilizes movement between a fifth-wheel trailer and the towing vehicle during normal trailering operations and that more effectively distributes the weight of...
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7217080 |
Mobile interface structure with multiple degrees of freedom
A mobile interface system for a work vehicle that affords degrees of freedom for roll as well as conventional pitch and yaw or swing motion control for a mobile interface structure to which a...
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7207588 |
Children's ride-on vehicle assemblies having trailing vehicle detection systems
Children's ride-on vehicle assemblies having leading and trailing vehicles that are removably coupled together by a connection apparatus. The leading vehicle is an independently operable ride-on...
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7168531 |
Self-contained brake and remote control system for a trailer
A self-contained trailer braking system comprises a fifth wheel hitch attached to a trailer frame, where the trailer hitch further comprises a kingpin to engage a fifth wheel of a towing vehicle. A...
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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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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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7106182 |
Simplified truck tractor socket wiring
A power distribution unit useful in a truck tractor to apply electrical power to a selected one or more of a plurality of signal terminals of a tractor-mounted connector in a tractor-to-trailer...
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6926125 |
Premature activation stop for towed vehicle cable braking systems
A safety stop for preventing activation of brakes of a towed vehicle by a cable braking system connected between a towing vehicle and the towed vehicle until a predetermined load is placed on the...
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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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6819980 |
Method for the avoidance of rollover phenomena in semitrailers
In a method for the avoidance of rollover phenomena in semitrailers with the emission of warning signals for the driver of the vehicle when driving inappropriately, the center of gravity of the...
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6746036 |
Sway control conversion bracket
A bracket, apparatus and method are provided for adapting a simple draw bar and hitch ball arrangement to allow connection to a sway control device. The bracket includes an aperture for receiving...
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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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6578641 |
Hitch system with synchronized cylinders
An implement/vehicle hitch system for coupling implements to a utility vehicle includes two hydraulic cylinders for adjusting the position of the implement. The hydraulic cylinders are connected to...
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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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6273446 |
Steering control system for trailers
A steerable trailer is provided with a trailer hitch which extends forward to attach to a corresponding hitch on the towing vehicle. The towing vehicle hitch further includes an extending arm,...
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6264228 |
Hitch assembly for activating a towed vehicle's brakes
A hitch ball assembly which includes a housing adapted to be movably mounted within a conventional hitch receiver associated with a towing vehicle wherein a shock absorber is mounted within the...
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6257611 |
Linkage mechanism for a trailer steering device
The present invention relates to a linkage mechanism (10) for operative association between a fifth wheel on a drive vehicle and at least one pair of steerable rear wheels. The linkage mechanism...
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6234508 |
Upper link sensing
A load sensor is provided on a tractor to sense a load in the upper link of a three point hitch. The load sensor is fixed to the upper link, rather than the tractor to move with the upper link...
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6089588 |
Apparatus and method for controlling power to interior trailer functions of a heavy duty vehicle
An apparatus and methods are provided for controlling power to interior functions of a trailer of a heavy duty vehicle. The apparatus preferably includes a vehicle trailer adapted to be connected...
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5957476 |
Anti-jackknife system for tractor-trailers
This machine provides back-up steering for a tractor-trailer when the conventional steering fails. The steering will fail due to a lack of interface bonding between the front tires and the road...
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5715917 |
Combination articulated vehicle damping method
A combination articulated vehicle damping method for absorbing the kinetic energy of the trail vehicle during a collision that includes crushing a damping material, positioned at a connection of...
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5492204 |
Trailer breakaway device
A trailer breakaway safety mechanism which brings a trailer to a controlled stop after disengagement with a pulling vehicle. The mechanism consists of a cable which remains attached to the trailer...
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5485900 |
Brake lockout device
An automatic brake lockout for restricting operation of a trailer hitch surge suppressor as a trailer is being backed by a pulling vehicle. The automatic brake lockout works on a two-part trailer...
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5456483 |
Anti-jackknife apparatus for tractor to trailer connections
A new and improved anti-jackknife apparatus for tractor to trailer connections includes a fifth wheel assembly connected to a tractor and a pair of locking pin assemblies connected to the fifth...
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5441293 |
Draw-bar couplings for vehicles
A draw-bar coupling for a vehicle combination incorporates a sensor assembly for sensing the loads acting on the coupling in more than one plane, specifically two or three planes at right angles to...
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5407220 |
Rotary trailer sway dampener
A rotary trailer sway dampener for preventing a trailer from swaying back and forth during towing. The dampener is mounted on a trailer tongue and a cable connects the dampener to the towing...
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5403073 |
Method and apparatus for the braking of a vehicle train
A process and apparatus for the braking with optimized stability of a vehicle train is disclosed. The vehicle train comprises at least two individual vehicles, one of the individual vehicles...
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5335856 |
Air boom sprayer trailer hitch and suspension
A trailer mounted sprayer having an air boom supported from the trailer frame by a four-bar linkage movable by a hydraulic cylinder to adjust the elevation of the boom and with ground-engaging...
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5269389 |
Hydraulic steering system for articulated vehicle
A fully hydraulic steering system for a vehicle having a front frame and a rear frame coupled to each other by an articulating pin, the steering system coupling a steering unit operated by a wheel...
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5259640 |
Apparatus and methods for inhibiting jackknifing of articulated vehicles
The tractor mounts a passive damping constraint system and a fifth wheel brake between the fifth wheel and tractor frame. The fifth wheel is secured to the trailer for rotation therewith relative...
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5253891 |
Safety interlock mechanism for aircraft ground power units
A safety interlock mechanism requires a trailer tow bar to be raised and placed into the mechanism before an electrical power supply cable can be removed from the mechanism and attached to an...
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5232239 |
Automatic controls for anti-jackknifing device and method
A coupling linking a tractor 10 and a trailer 11 having a fifth wheel assembly 12 having a longitudinal outwardly tapering slot defined by spaced ears 15 is provided with an anti-jackknifing...
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5195768 |
Towing hitch ball mount for automatically activating towed vehicle brakes
A towing hitch ball mount is adapted for telescopic use with a conventional towing hitch ball mounted receiver for automatically controlling the brakes of the towed vehicle. A pulley system having...
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5174597 |
Damping arrangement for the joint of an articulated omnibus
An articulation damping device having a hydraulic piston-cylinder unit 2, connected pivotally at 5 to a front vehicle 3 at a distance y from the longitudinal median plane and on the other side and...
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5152544 |
Articulation angle sensor
Sensors (170, 172) for sensing articulation angle (AA) and/or a time derivative thereof (dAA/dt, d 2 AA/dt 2 ) for a trailer anti-swing control system are provided. In the preferred embodiments,...
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5149121 |
Force measuring device
A novel force measuring device of simple design is provided with complementary stop surfaces protecting the device against over-loading. Alternatively, overloading is prevented by duplicating the...
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5135248 |
System for limiting relative angular movement between the tractor and semi-trailer
A system and method for blocking a relative angular movement between a semi-trailer and a traction vehicle so as to limit the angular movement to a predetermined angle. A lock of a locking system...
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5042586 |
Tractor draft force sensor
An articulated tractor has left and right laterally spaced apart, fore-and-aft extending side frame members which are rigidly attached between front and rear drawbar supports. The tractor also...
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5040816 |
Actuator/coupler
An actuator/coupler having concealed rollers between forward coupler attaching to the towing vehicle and rear housing connected to trailer. Forward rollers bear on the underside of the top wall of...
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5029947 |
Braking systems for articulated vehicles
The fifth wheel of an articulated vehicle comprising the coupling between a semi-trailer and a tractor is provided with measuring apparatus for measuring forces imparted from the semi-trailer. The...
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5016899 |
No-slack restricted-drum stabilizer for commercial multitrailer combinations
An apparatus for reducing or eliminating rearward amplification of yaw in commercial multi-trailer highway combinations by maintaining constant tension on a cable-and-pulley system connecting a...
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5013059 |
Actuator/coupler
An actuator/coupler having concealed rollers between forward coupler attaching to the towing vehicle and rear housing connected to trailer. Forward rollers bear on the underside of the top wall of...
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4993738 |
Antijackknife device for towed trailer
In the combination of a power truck tractor towing serially first and second (or more) trailers, an antijackknifing hitch is disclosed for preventing jackknifing relative movement between the two...
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4986560 |
Anti-jackknifing device for articulated road vehicles
An anti-jackknifing coupling device, for an articulated veicle such as a tractor-trailer combination, comprising a base member for mounting upon the tractor. A turntable member is rotatably mounted...
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4949987 |
Asymmetrical four-bar trailer hitch
A tow vehicle (3) and trailer vehicle (5) are connected by a four-bar hitch which has one arm (1) aligned longitudinally with the central longitudinal axes (12,13) of the vehicles, and a steering...
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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...
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4934727 |
Anti jackknifing control system, apparatus and method
A system including an anti-jackknifing abutment apparatus (FIGS. 1-4, 7, 8) an electrical (FIG. 5) and hydraulic (FIG. 6) controls provides system control which controls limited relative angular...
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4930800 |
Short coupling with variable geometry for trailers
A short coupling with variable geometry for trailers. A coupling which is characterized by the fact that a means of connection with elastic memory is connected in a position of minimum spacing...
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4903779 |
Hydraulic control apparatus for tractor
A hydraulic control apparatus for a tractor comprising a control valve for a hydraulic unit for a work device, a position control lever and a draft control lever for changing over the valve through...
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