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8177243 |
Load-transferring trailer assembly attachable to a load-bearing vehicle
A trailerable load-transferring assembly is removably attachable to the rear portion of a load-bearing vehicle. The load-transferring assembly includes a pivot connection, an auxiliary axle, an...
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7866680 |
Steering lock indicator for self-steering axle
A land vehicle includes a wheeled axle that is operable to be selectively self-steering. The axle includes a ground wheel that is operable to be selectively locked into a straight-ahead position so...
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7810823 |
Oscillating steering system for an agricultural implement
An oscillating in-line steering system for a pulled agricultural implement includes first and second in-line axles pivotably coupled with a frame. The system also includes at least first and second...
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7571916 |
Trailer with coordinated axle steering and stabilizing castor and track assembly
A trailer having a frame assembly with front and rear axle beams rotationally coupled to the frame assembly. At least one member interconnects the front and rear axle beams to synchronize movement...
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7398981 |
Auxiliary axle system for concrete pump truck
A concrete pumping truck having a forward end and a rear end with a hopper attached at the rear end of the concrete pumping truck comprises an auxiliary axle system pivotally attached to the rear...
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7281721 |
Suspension system for dump truck/paver truck hitch
A suspension system for a dump truck which is to be connected to a paver using a truck hitch. In one example, a system for connecting a dump truck to a paver includes a liftable and steerable...
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6450285 |
Steering device
A steering device for steering the wheels of a steering axle of a motor vehicle having at least three axles. The steering axle is designed as a trailing or leading axle, with a hydraulic...
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6439586 |
Spring band for an axle assembly
A self-steering auxiliary axle assembly having an elastic member for use as a steering damper is provided. The axle assembly has a frame with an axle supported by the frame in spaced relation...
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6375203 |
Front air spring suspension with leading arm trailing and V-link
A suspension system for a vehicle frame from a steering axle has first and second controllable rate springs mounted above the steering axle and below the frame to support a portion of vehicle...
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RE37492 |
Trailer support wheel assembly
A trailer support wheel assembly having a wishbone frame pivotally connected to the trailer frame at two rear mounting points and adjustably connected to the trailer frame at a single forward...
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6247196 |
Bogie construction
A bogie construction includes at least two stiff axles interconnected by a rocking lever. The rocking lever is pivoted in its middle so that it can move in its longitudinal direction as a result of...
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6131691 |
System for guided steering of at least one set of wheels of a semi-trailer or a trailer
The system for guided steering of a set of rear wheels of a semi-trailer comprises a pulling vehicle and a semi-trailer having rear wheels which are turnable with respect to a chassis of the...
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5816605 |
Tandem axle suspension with self-steering rear axle
A tandem axle vehicle suspension system which includes a rear axle mount that is automatically moveable between a forward caster and rearward caster position of the axle mount relative to the...
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5620194 |
Self-steering suspension lockout mechanism
A lockout mechanism for a self-steering axle suspension system is provided by using the internal fluid reservoir and piston of a shock absorber normally used to dampen oscillations of the wheels in...
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5526895 |
Rear wheel self-steering system for vehicle
The present invention relates a rear wheel self-steering system for a vehicle which can minimize a turning radius of a vehicle and a tire wear by independently steering the rear wheel during...
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5492351 |
Axle construction for a vehicle
An axle construction for a vehicle has a rigid axle and wheels mounted at opposite ends of the rigid axle. Supports respectively at the opposite ends of the rigid axle respectively support opposite...
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5477937 |
Steerable trailer
The present invention relates to steering arrangements for trailers and particularly to a four wheel dolly system wherein a pair of wheels on one side of the dolly can move vertically with respect...
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5364113 |
Self-steering axle for vehicles
A self steering axle system for motor coaches and similar commercial vehicles having a truss which hingedly supports an axle beam for pivotal movement between a normal positive caster angle and a...
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5322328 |
Suspension system for heavy-duty vehicles
A suspension system for a cart having a pair of longitudinally aligned, oscillating wheel support units pivotally mounted fore and aft within a frame assembly on each side of the cart, a pair of...
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5269546 |
Self-steering assembly
A self-steering assembly for self-steering wheels used on trucks carrying heavy loads includes a kingpin arm unit with a unitary adaptor collar at one end for mounting on a conventional tubular...
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5255754 |
Axle construction for a commercial vehicle
An axle or boggie construction for a commercial vehicle has a triangular support (4) and an axle (1) made turnable by means of positionally adjustable longitudinal supports (16, 17). To stabilize...
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5246242 |
Passively steered tandem axle group
A steering system for steering a vehicle, including a subframe disposed at the rear end of the vehicle for supporting the vehicle, the subframe being pivotably connected to the vehicle, a pair of...
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5220972 |
Self-tracking, rear vehicle suspension system for trucks, trailers & buses
Apparatus and method of providing self-tracking rear axles on non-articulated vehicles having more than one rear axle. In existing suspension systems employing torque rods which lie substantially...
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5207443 |
Multiple axle trailers
A multiple axle trailer comprises a chassis pivotally connected to turn substantially horizontally with respect to a sub-chassis and provided with means at its forward end to enable the trailer to...
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5183283 |
Apparatus for limiting lateral movement in trailers
A device for controlling lateral forces acting on trailers' non-drive axles by utilizing two slewing brackets mounted with one on each side of the trailer chassis so as to control the non-driving...
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5127663 |
Tandem trailer truck for transporting elongate objects
A truck-trailer-trailer combination including an intermediate trailer that has two load carrying bunk assemblies. The intermediate trailer carries the rearward end of a first set of elongate...
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5035439 |
Method and means for providing rear steerability in a trailer assembly
A tractor trailer or other truck or vehicle is equipped with an auxiliary rear steering arrangement in which one or both sets of dual wheels are equipped for vertical movement and/or a pivoted...
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5018756 |
Control for self steering suspension assembly
A suspension system incorporating upper and lower torque rods pivotally connected between a hanger and an axle seat. The upper torque rod is preferably a hydraulic cylinder and piston assembly, the...
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5015004 |
Elevating, reversible self-steering suspension system
An elevating, reversible self-steering suspension system incorporates upper and lower torque rods pivotally connected between a hanger assembly and an axle seat assembly. The upper torque rod of...
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4966383 |
Logging trailer
An extended trailer to attach to a tractor. The trailer has a main reach able to attach to a tractor. An extension reach extends rearwardly of the main reach. A bridge over the main is rigidly...
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4893825 |
Controlled compliance for rear wheel steering
An apparatus (22) selectively provides passive rear wheel steering in response to lateral forces acting on the rear wheels during turning maneuvers initiated by a front wheel steering assembly...
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4881747 |
Self steering suspension assembly
A suspension system incorporating upper and lower torque rods pivotally connected between a hanger and an axle seat. The upper torque rod is preferably a hydraulic cylinder and piston assembly, the...
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4848783 |
Tuck-a-way tag axle assembly for work vehicle
An add-on wheel/axle assembly for truck-type vehicles for reducing the effective axle load of the vehicle allowing the carrying of greater payloads without violating Governmentally imposed road...
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4770430 |
Self-steering axle assembly for vehicles
The self-steering axle assembly includes a transverse axle member extending below the vehicle frame, either forwardly or rearwardly of the vehicle rear wheels, a king pin assembly on each of the...
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4768802 |
Controlled steering dolly for a truck trailer
A steerable dolly for a truck trailer resting thereon comprising a steering linkage to turn the dolly wheels relative to the dolly frame, the linkage including an engagement with the trailer that...
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4754986 |
Load distributor with articulated ground support
An axle load-distributing apparatus includes an auxiliary frame having a load-distributing axle mounted thereon. The axle is supported by wheels which ultimately support a portion of the weight of...
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4752080 |
Heavy duty trailer having steerable ground wheels
A pre-existing trailer is modified to increase its payload capacity from approximately 50 tons to approximately 60 tons. Modifications involve the addition of one new axle, and the remounting of...
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4667974 |
Increased roll stability suspension system
A vehicle suspension system having a low roll center to reduce lateral shifting and jolting, in combination with a stabilizer assembly to provide high roll stability is provided. In a preferred...
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4596194 |
Yaw damper for swivelable railcar trucks
The damper includes an elongated member that is movable conjointly with a swivelable railcar truck, and a yaw control assembly mountable by an overhead carbody. This assembly grips the elongated...
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4524841 |
Auxiliary axle apparatus
Auxiliary trailer axle apparatus including a frame portion, a carriage portion, a hitch portion, a bearing portion, a support portion and a lifting portion; the frame portion including a...
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4522607 |
Toy railroad vehicle with alignment bias
A toy train set includes a toy train car operative upon a two rail trackway. The trackway includes means for reducing the toy train speed at selected places along the trackway and a track...
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4484758 |
Self-steering trailer
Self-steering trailer having an elongated main frame, the rear end of which is supported by a sub-frame and steering dolly. The dolly is connected to the main frame in such manner that the dolly is...
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4449727 |
Skid control car
An automotive vehicle having a front wheel drive is provided with pivotable rear wheels having positive casters up to about ten degrees to facilitate training race car drivers in skid control.
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4441730 |
Steering device for many-axled goose-neck trailers
Steering device for a multi-axled goose-neck trailer which is coupled with a vehicle in front of the trailer, the steering device comprising wheels pivotable about a main axle and connected to stay...
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4417739 |
Auxiliary wheel support for load carrying vehicles
Auxiliary support wheels for a heavily laden vehicle are mounted for castered movement on a transversely extending axle carried by an auxiliary frame structure, which extends rearwardly from the...
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4390189 |
Self-steering bogies for trailers
The load of a trailer is applied to lower members of shackles that have upper members rigidly attached to axle housings of tandem axle assemblies. Linkages and levers are connected between a lower...
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4373738 |
Steerable auxiliary wheel assembly for vehicles
The auxiliary wheel assembly includes a transverse axle member extending below the vehicle frame members, either forwardly or rearwardly of the vehicle rear wheels, a king pin assembly on each of...
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4369983 |
Trailer with mass restraint
In a trailer having two steerable wheels, there is provided a device which, in response to the lateral acceleration of a turn, applies a steering force to the wheels such that the tires generate a...
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4356775 |
Damped railway car suspension
The suspension includes a moveable load arm assembly adapted to support a railcar axle, at least one elliptical cross-section rod spring carried by the load arm assembly in load bearing relation...
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4352509 |
Damped rubber tired vehicle suspension
The suspension includes a moveable load arm assembly adapted to support a vehicle axle, at least one elliptical cross-section rod spring carried by the load arm assembly in load bearing relation...
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