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8091912 |
Floating boat trailer
A boat towing system for towing a boat behind a vehicle comprising a boat trailer having a frame constructed and arranged with a first portion and a second portion that are pinned together to...
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8033561 |
Sway control device for trailers
A new apparatus for reducing sway of a trailer towed by a towing vehicle has a draw bar for linking a trailer to a vehicle, a ball for hitching the trailer to the draw bar, and a pin for hitching...
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8025307 |
Anti-sway trailer hitch devices
The present disclosure relates trailer hitch devices for towing a trailer behind a vehicle. The present disclosure provides a hitch and associated structures which provide an anti-sway function....
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7976050 |
Side-mountable chain-tensioning device for a load-compensating trailer hitch
A tensioning device for connecting a trailer to a spring bar of a load-compensating apparatus includes a body unit for securement to a frame member of a trailer; a reel unit having an off-center...
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7967320 |
Attachment for a trailer hitch bracket
An accessory for trailer hitch systems having components for equalizing loads and reducing trailer sway. The accessory includes a jacket for attaching to a bracket that supports a load equalizing...
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7938430 |
Anti-sway device for trailers
An anti-sway device for conventional trailers, which essentially takes the place of the shank member of a conventional trailer hitch, is described. The shank assembly is comprised of an elongate...
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7905555 |
Yaw control system for a vehicle-trailer combination
A yaw control system capable of detecting a predetermined yaw angle of a towed vehicle and then automatically communicating with a braking system of the towed vehicle includes an actuator and a...
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7905507 |
Trailer reversal self-correcting assembly
A trailer reversal self-correcting assembly (10) adapted to be disposed between the tow bar (12) of a vehicle (14) and the tow member (16) of a trailer (18), the assembly (10) comprising a tow arm...
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7891690 |
Trailer hitch
A trailer hitch for a vehicle includes an attachment bar and post for attaching the hitch to a vehicle and a base suspended from the attachment post to allow limited lateral movement of the base...
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7857344 |
Trailer hitch with adjustable hitch bar
A trailer hitch having an adjustable hitch bar for coupling with a tow vehicle and a front member coupled with the adjustable hitch bar. A rear member couples with a trailer frame and a yoke...
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7780182 |
Floating boat trailer
A boat trailer for towing behind a vehicle having a frame constructed and arranged in a first portion and a second portion that are pinned together to permit one section to move relative to the...
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7752991 |
Transportation safety device
The invention relates to a visual warning device adapted to extend between a first cargo-carrying unit and a second cargo-carrying unit. The visual warning device includes a first mounting adapted...
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7703792 |
Rotational trailer hitch coupling assembly
A hitch coupling assembly attaching a trailer to a towing vehicle. The towing vehicle including a hitch plate that has an upper surface and an open end for receiving a king pin. The coupling...
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7686097 |
Three point hitch frame, draft arm and rear counterweight design
A three point hitch for a work machine includes a first and a second draft link each having a mounting end portion and a free end portion opposite the mounting end portion. Mounting end portion...
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7644946 |
Drawbar side cushioning for tractors
A removable side impact load cushioning device for use on the hitch on an agricultural tractor or prime mover that allows operator selectable use of the device to dampens side impact loads on a...
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7631817 |
Spray boom lock assembly
A lock assembly operable to secure a lift linkage associated with moving a boom assembly between a lowered, operative position and a raised, inoperative position is provided. The lock assembly...
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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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7562893 |
Hitch coupling assembly which dampens the hunting movements of a road trailer
The invention relates to an improved hitch coupling assembly which dampens the hunting movements of a road trailer being towed by a motor vehicle and which is intended for a vehicle combination...
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7549666 |
Articulating hitch for fifth wheel trailers
A device for automatically repositioning the pivot point between a fifth wheel trailer and truck. The hitch is composed of a base with integral first pivot member, two forward converging links, a...
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7540523 |
Anti-jackknifing hitch assembly
An anti-jackknifing hitch assembly (12) (“assembly”) includes a hitch (18), a tongue (20), two resilient members (22a, 22b), and a routing member (24). The hitch (18) is attached to a tow veh...
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7364180 |
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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7354056 |
Trailer stability control apparatus
A trailer stability control apparatus for a vehicle and a trailer includes a trailer hitch assembly interconnecting a rear end of the vehicle and a front end of the trailer. The trailer stability...
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7303205 |
Anti-sway bar controller
A device for selectively compressing and decompressing an anti-sway bar. The device replaces the hand crank on traditional anti-sway bars and relieves drivers of having to get our to their vehicles...
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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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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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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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7137643 |
Anti-sway trailer hitch
An anti-sway trailer hitch connection is provided for use between a towing vehicle and a trailer and includes structure whereby slight left and right lateral movement of the forward end of the...
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7032918 |
Stabilization of an articulated vehicle
A method for stabilizing an articulated vehicle, which articulated vehicle comprises at least a front frame structure and a rear frame structure, and a frame joint structure, which is arranged to...
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7029020 |
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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7025370 |
Trailer hitch head and method of manufacturing
A hitch head is disclosed as part of a trailer hitch. The hitch head may include an upper surface having an opening for receiving a stem of a hitch ball. A back side of the hitch head may include a...
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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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6840529 |
Articulated pickup truck camper/trailer
A recreational vehicle is made up of a pickup truck, a camper which is releasably mounted on the pickup truck and includes an accessway between the cab of the pickup truck and the camper, and a...
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6749213 |
Drawbar 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...
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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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6722682 |
Trailer hitch with load adjustment
A weight distributing hitch system is provided with a shank and a head which is angularly adjustable relative to the shank. The head includes a plurality of adjustment teeth which are engaged by a...
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6698527 |
Universal tractor hitch for preventing lateral movement of implements
The present invention is directed to an apparatus for connecting a device or implement to a tractor wherein the tractor is equipped with a conventional three-point hitch. The apparatus includes a...
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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 pneumatic...
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6644706 |
Sports/utility vehicle trailer
A trailer and hitch assembly are arranged so that the trailer may be towed closely behind a motor vehicle without articulation. A pair of frame members extends forward from the trailer for...
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6629701 |
Load leveling weight distributing hitch
A load leveling weight distributing hitch which provides enhanced flexibility of attachment and removal is described. This invention is directed to load leveling weight distribution hitches with...
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6517097 |
Towing device for an agricultural apparatus
A towing device for an agricultural apparatus (2), includes at least one wheel (6) which is arranged in a front area of the agricultural apparatus (2) and can rotate about an essentially horizontal...
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6494476 |
Robotic vehicle that tracks the path of a lead vehicle
A method and apparatus for controlling the steering of a trailing section of a multi-sectioned vehicle is described. The trailing section follows the path of the first section. Data is acquired by...
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6488291 |
Sulky with damper
A preferred embodiment of a sulky includes a removable, adjustable foot platform, replaceable axles, and a hitch including stops that limit the extent of pitch, roll, and yaw motions between the...
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6474675 |
Stabilizer for a multi-trailer rig
A stabilizer for reducing, if not totally eliminating, swaying, fishtailing and/or jackknifing of a multi-trailer rig includes spring units that can be retrofit onto the rig between a towed unit...
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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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6419257 |
Adjustable length cam arm for weight distributing hitch assembly
A weight distributing hitch assembly for towing a trailer behind a towing vehicle includes a ball mount head, a pair of spring bars, a pair of adjustable length cam arms for supporting projecting...
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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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6305705 |
No-sway hitch
An improved trailer hitch is provided which provides greater control over the towing vehicle and towed vehicle by eliminating swaying of a towed vehicle and permitting the towing vehicle-towed...
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6299191 |
Double acting trailer hitch
A double-acting, weight distributing trailer hitch includes a drawbar assembly and a hitchhead assembly. The drawbar assembly is releasably connected to a tow vehicle and includes a first coupling...
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6286851 |
Doubling-acting reduced tongue weight trailer hitch
A double-acting, reduced tongue weight trailer hitch includes a drawbar assembly and a hitchhead assembly. The drawbar assembly is releasably connected to the tow vehicle and includes a first...
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6283489 |
Anti-sway control device for trailers
An apparatus for reducing the sway of a trailer includes a first portion that is attached to a towing vehicle at any of several locations including an end portion of a receiver hitch, a bumper, a...
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