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7445220 Vehicle axle apparatus  
A vehicle axle construction comprises a suspension for supporting the axle from first and second frame rail members. Elongated support members extend forwardly from respective locations along the...
7434821 Vehicle suspension with lift axle and pivotal lift spring  
A lift axle suspension system for use on a vehicle having a chassis. The lift axle suspension system includes an axle assembly that is operably coupled to the vehicle chassis with a support arm...
7425006 Live twist beam axle assembly  
A drive axle and suspension assembly for a vehicle having a power source and wheels including a torsionally compliant twist beam suspension and a driveline assembly. The twist beam includes a twist...
7416200 Vehicle suspension assembly  
A vehicle suspension assembly that includes first and second main beams each having a first end operably coupled to a vehicle frame, and a second end having a cavity formed therein, and first and...
7398984 Vehicle suspension system incorporating swivel link assembly  
An adjustable suspension member of a vehicle suspension system is adapted for supporting a frame of vehicle. The suspension member interconnects first and second components of the vehicle, and...
7396028 Lifting system for a vehicle axle  
An apparatus and lifting method for a vehicle axle having a first bracket, a second bracket, an air spring and at least one connector. The first bracket has two substantially vertically oriented...
7384052 Suspension and steering system  
This invention relates generally to a unitized heavy duty axle suspension and steering system for self powered chassis. The steerable suspension system embodied in this invention takes advantage of...
7370872 Rigid vehicle axle with integral trailing arms  
In a rigid vehicle axle comprising an axle beam with axle journals forming wheel carriers arranged at the ends thereof, and at least two trailing arms rigidly fixed to the axle beam, each half of...
7360774 Cast trailing arm assembly for trailer suspension  
A trailing arm assembly for a suspension includes at least first and second cast components. The first and second cast components are welded to each other to substantially surround an outer...
7350794 Vehicle rear suspension apparatus  
A rear suspension apparatus is disclosed for a high speed vehicle body having a first and a second driven ground engaging wheel. The apparatus includes a first truck arm having a first and a second...
7347435 Suspension system having reduced weight arm construction  
A suspension system having a reduced weight arm construction. In one vehicle suspension system, an axle is constructed at least partially of a metal alloy. An arm assembly of the suspension system...
7341272 Expanding independent load suspension system  
An expanding independent load suspension system that incorporates a square walking beam, unique bushings, and multiple expanding sliding units to spread the load bearing tires evenly over the...
7334806 Torque reaction control link  
A suspension system for a motor vehicle comprising a chassis, a rigid drive axle, an opposite axle and road wheels attached to the ends of each axle, a torque reaction control link positioned...
7331588 Trailing beam suspension with alignment adjustment assembly  
A trailing beam suspension comprises a hanger bracket adapted to be mounted to a vehicle frame, wherein the hanger bracket includes a mounting aperture, and a trailing beam pivotally mounted to the...
7306239 Height control system and sensor therefor  
A sensor for a height control system uses a transducer to detect changes in position of an arm relative to a vehicle and sends a proportional signal to a microprocessor that, in turn, actuates a...
7296809 Rotary cam alignment system  
A system used for alignment of a vehicle suspension and axle includes a pear-shaped cam that is rotatable relative to one of two spaced plates of a hanger bracket. An aperture and nose in the cam...
7296642 Suspended axle modules for skid steer loaders  
A suspension and a drive assembly is provided for forward and rear wheels disposed on first and second longitudinally spaced axles of a skid steer loader. The suspension includes a central bearing...
7293781 Anti-creep trailer locking mechanism  
An anti-creep locking mechanism for a trailer suspension system is disclosed. The disclosed locking mechanism includes at least one column that may be swung into a first position in a gap formed...
7273218 Torsion beam axle-type rear suspension  
Disclosed herein is a torsion beam axle-type rear suspension, which simplifies and minimizes the shape and size of a rubber bush that prevents oversteer due to lateral force generated during a...
7270342 Connection between vehicle axle and suspension arm  
A vehicle suspension axle wrap is a composite tubular structure of cast or forged shells of part-tubular shape. The shells are assembled into a tubular form and welded together at juxtaposed edges....
7267348 Vehicular suspension systems  
A vehicular suspension system has a hanger to attach beneath a vehicle, a rocker pivoted at a first end to the hanger and attached proximate a second end to an axle, a shock absorber extending...
7249775 Wheel suspension  
A wheel suspension for vehicles. The invention relates to both double axle vehicles and single axle vehicles. Feasible areas of use are: prams, carts (pulled manually or by a vehicle), walkers,...
7213824 Suspension system for a transport vehicle  
A suspension system for a multi-axle transport vehicle for moving heavy loads includes two fluid activated cylinders and two spaced apart arms for each wheel and axle set which allow the transport...
7210692 Trailing beam suspension with alignment adjustment  
A trailing beam suspension includes a mechanical adjustment mechanism for aligning the axle and wheels of a vehicle. The trailing beam is mounted to the vehicle frame by a pivot bolt passing...
7178816 Vehicle suspension beam  
A hollow vehicle suspension beam ( 1 ) has opposed side walls formed with recesses ( 11 ) in which an axle wrap ( 2 ) is located and secured by welded jointing ( 12, 13 ) internally and externally...
7150463 Wheelchair capable of absorbing road shock  
A wheelchair includes a chair frame, two suspension arms, two clutches, two drive wheels, two shock absorbers, and two limiting units. The chair frame includes two lateral frame parts. Each of the...
7144022 Tractor suspension system  
A front suspension for a tractor has an axle that is pivotally coupled to an axle carrier to pivot about a substantially longitudinal axis. The axle carrier, in turn, is pivotally coupled to the...
7131651 Chassis with height adjustable wheels for regulating orientation of a chassis member  
A chassis is described which is constructed of two lower side frames which at each end are provided with a wheel or caterpillar track. On each of the two lower side members, there is a horizontal...
7114735 Parallelogram suspension assembly with brake port  
A parallelogram suspension assembly for a vehicle with a brake port through the axle seat for positioning of brake components to maximize overall suspension clearance.
7108271 Axleless vehicle suspension system  
A wheel suspension system including a wheel support pivotally attached to a vehicle frame at two, laterally-spaced locations, the wheel support being pivotal between an uppermost and a lowermost...
7086655 Connection between vehicle axle and suspension arm  
A vehicle suspension axle wrap is a composite tubular structure of cast or forged shells of part-tubular shape. The shells are assembled into a tubular form and welded together at juxtaposed edges....
7077410 Vehicle suspension system  
A suspension system connects a wheel axle to a vehicle frame and includes a trailing arm connected at one end to the wheel axle. A pair of extension members are connected to the other end of the...
7077409 Vehicle suspension  
A commercial vehicle with a technically simple single wheel suspension for the wheels mounted in wheel supports, guaranteeing safe protection of the cardan shaft driving the wheels from harmful...
7048288 Vehicle suspension beam  
A hollow vehicle suspension beam has opposed side walls formed with recesses in which an axle wrap is located and secured by welded jointing. The welded jointing is located internally and...
7048287 Air suspension anti-roll stabilization system  
An air suspension anti-roll stabilization system includes air suspension devices, such as at least one pair of air bags air spring mounted upon an axle via leaf spring suspension arms of an...
7040631 Hydraulic suspension system for a vehicle  
A suspension system for a vehicle having at least one pair of forward and one pair of rearward wheels, including: a suspension arm ( 7–10 ) for each wheel providing at least partial location of...
7007960 Suspension system having reduced stress axle connection  
A vehicle suspension system includes features which reduce stress in an axle connection. In a described embodiment, a vehicle suspension system includes a sleeve which is clamped on an axle. The...
6997468 Control rod suspension with outboard shock  
A control rod suspension has at least one dampening structure having an outboard end and an inboard end. The inboard end is pivotally mounted to the vehicle frame. The outboard end is pivotally...
6991244 Interlocking suspension bracket for an inverted portal axle  
An axle assembly is provided that includes an axle. The axle assembly may be of an inverted portal axle configuration. The axle includes a boss having a threaded aperture. A suspension component,...
6991239 Height control system and sensor therefor  
A sensor for a height control system in a trailing arm suspension uses a transducer to detect changes in position of a trailing arm relative to a vehicle and sends a proportional signal to a...
6986519 Low profile chassis and suspension  
A low profile chassis and suspension system for a road vehicle. The chassis supports a payload section or cargo compartment, such as for a delivery truck, ambulance, or shuttle bus. The chassis...
6966502 All terrain vehicle chemical applicator  
An all terrain vehicle chemical applicator includes an elongate frame having at least six independent support wheels positioned along opposed sides of the frame. Suspension is provided for each of...
6962360 Air suspension anti-roll stabilization system  
An air suspension anti-roll stabilization system includes air suspension devices, such as at least one pair of air bags air spring mounted upon an axle via leaf spring suspension arms of an...
6962358 Connection device for mutual connection of two objects  
A coupling device for elastic interconnection of, e.g., arms ( 66 ) which are linked to a frame ( 60 ) of the vehicle. The coupling device ( 92 ) substantially comprises two annular, conical...
6957819 Lift axle parallelogram suspension system  
A lift axle parallelogram suspension system. In a described embodiment, a suspension system for a vehicle having a generally longitudinally extending frame includes an axle assembly and upper and...
6942232 Suspension system for a transport vehicle  
A suspension system for a multi-axle transport vehicle for moving heavy loads includes two fluid activated cylinders and two spaced apart arms for each wheel and axle set which allow the transport...
6935646 Torsion beam suspension  
Opposite ends of a torsion beam are connected to left and right trailing arms, and a spindle which supports a wheel is secured to a spindle support plate which is welded to each of the left and...
6929083 Shipping/operating envelopes for utility vehicles  
A utility vehicle is provided with a wishbone-shaped frame having a forwardly extending stem terminating rearwardly of the front axle of the vehicle to permit the orientation of the vehicle in a...
6923460 Split-frame for heavy trucks  
A split-frame, heavy truck, suspension system for trucks that haul trailers made of three moveable interlocked rigid frames referred to as the front frame, rear frame, and interconnecting frame....
6921098 Independent suspension system for light and medium duty vehicles  
The present invention relates to an improved vehicle suspension system. More particularly, the present invention relates to an independent suspension system for light and medium duty trailers which...
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