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9039018 Four-wheel independent suspension system for an electric wheelchair  
A four-wheel independent suspension system for an electric wheelchair includes a chassis, two front wheels each fixed to a front rod respectively, and two rear wheels each fixed to a rear rod...
8967631 Air assist suspension  
Representative implementations of devices and techniques provide an air assist suspension, for use in a wide range of vehicles and implements having multiple axles (such as agricultural...
8967638 Lift axle suspension systems incorporating compression coil springs  
A lift axle suspension system is provided with a frame bracket member connectable to a vehicle frame, an upper control arm, and a lower control arm. Each control arm has a first end and a second...
8967639 Auxiliary axle and suspension assembly  
A vehicle suspension assembly includes first and second mounting brackets each adapted to couple to a vehicle frame assembly, first and second trailing arms each having a first end pivotably...
8967640 Wheel attachment  
An apparatus for adding a propulsion wheel to a land based vehicle. When the apparatus is attached to a land based vehicle the apparatus is operationally configured to bias a propulsion wheel...
8955858 Traction control apparatus and method for a tandem axle system  
A traction assist system for a vehicle having a tandem-axle system includes a drive axle and a non-drive axle attached to a suspension beam on opposite sides of a pivot about which the suspension...
8931788 Lift axle valve unit  
The invention relates to a lift axle valve unit of any type for lifting or lowering a lift axle of a utility vehicle having an air suspension. According to the invention, the lift axle valve unit...
8925946 Vehicle comprising at least two axles and method for distributing the load between said at least two axles  
A vehicle (3) comprising at least two axles (6, 7, 8) fitted with at least two tires the axis of rotation of which are always mutually parallel from one axle to another. Each axle (6, 7, 8) bears...
8870198 Axle lift assembly  
An axle lift assembly includes a beam slidably coupled with and extending on a longitudinal extent of a vehicle frame. A trailing arm has a first end pivotably coupled with the beam. An axle is...
8851492 Mechanical stop for axle/suspension systems  
An axle/suspension system for heavy-duty vehicles having a frame and at least one suspension assembly operatively connected to the frame, the axle/suspension system including a mechanical stop...
8820758 Additional axle for agricultural machine weight redistribution  
A tag axle assembly for an agricultural machine, such as a harvester, and method for redistributing weight of the harvester from the rear axle of the harvester when a header is removed, or when...
8814184 Axle-lifting device and method for lifting an axle  
An axle-lifting device for lifting an axle of a vehicle. The axle-lifting device includes a function mechanism for generating a force component in an axle-lifting direction. The function mechanism...
8695998 Axle lift assembly  
An axle lift assembly includes a beam slidably coupled with and extending on a longitudinal extent of a vehicle frame. A trailing arm has a first end pivotably coupled with the beam. An axle is...
8641062 Lift axle suspension systems incorporating compression coil springs  
A lift axle suspension system is provided with a frame bracket member connectable to a vehicle frame, an upper control arm, and a lower control arm. Each control arm has a first end and a second...
8616565 Self-steer lift axle suspension system having a steering return, damper and lock integrated with a steering knuckle assembly  
A vehicle suspension system can include a steering knuckle assembly with a steer return device, and a biasing device comprising an elastomeric toroid which is deformed by the steer return device....
8573611 Emergency safety system for vehicles with supplemental axles  
An emergency axle lift control for a vehicle having at least one supplemental load axle configured to provide supplemental support to the vehicle by moving from a stored position in which wheels...
8523203 Trailing axle suspension system  
A suspension system is disclosed that suspends a trailing axle with steerable wheels from the body of a motor vehicle with a carriage and a pair of actuators. The axle is directly suspended from...
8523202 Trailing axle suspension system  
A suspension system is disclosed that suspends a trailing axle with steerable wheels from the tailgate of a motor vehicle with the use of a carriage, a pair of actuators and gas springs. The...
8522933 Adjustable run height lift axle suspension system  
An adjustable run height lift axle suspension system includes an axle assembly, an air spring and a lift actuator. A device may be releasably attached to the axle assembly and connected to each of...
8523207 Device for attaching a suspension to a vehicle frame and related method  
A method for securing a suspension may include attaching a frame interface device to a vehicle frame and aligning a first connector set. Two first connectors may straddle a second connector, or a...
8485538 Auxiliary axle suspension system  
An auxiliary axle suspension system for a motor vehicle is disclosed wherein a pair of hydraulically operated actuators position and force the auxiliary axle to help support the vehicle. And gas...
8459666 Side-beam lift assembly for heavy-duty vehicles  
A lift assembly for a suspension assembly of an axle/suspension system is located generally adjacent to and beside the suspension assembly. The lift assembly includes an air chamber, a support...
8434773 Lift axle control valve  
A lift axle control valve (200) for controlling a vehicle lift axle is provided. The valve (200) includes a vehicle port (103) configured to receive a vehicle pressure and a suspension port (106)...
8424888 Systems and methods for weight transfer in a vehicle  
Systems and methods for weight transfer in a vehicle are provided. One system includes a plurality of springs and a plurality of movable spring seats configured to adjust a length of the plurality...
8403346 Adjustable run height lift axle suspension system  
An adjustable run height lift axle suspension system includes an axle assembly, an air spring and a lift actuator. A device may be releasably attached to the axle assembly and connected to each of...
8322734 Wheel axle lifter  
The present invention provides a wheel axle lifter used for being adapted to be disposed with auto-mobiles. The wheel axle lifter comprises a fixing portion, a first airbag and a suspending arm....
8205900 Vehicle suspension assembly  
A suspension assembly for a vehicle includes a knuckle, a spring-damper assembly laterally spaced from the knuckle, a first control arm having an inner end and an outer end, a second control arm...
8177010 Device and method for carrying out wheelbase adjustment for utility vehicles  
An apparatus and method for effecting wheelbase adjustment for utility vehicles having one or more axles with wheels, includes one or more adjustment mechanisms to which compressed air can be...
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...
8140221 Motor vehicle having a vehicle body and a chassis  
A motor vehicle has a vehicle body and a chassis that has at least one wheel suspension device for two opposing wheel. An adjusting device is assigned to each of the wheels. The adjusting devices...
8128107 Passively steerable module axle  
In conventional vehicle cranes it is usually necessary in consideration of current safety regulations to provide at least two separate steering circuits for all steered axles so that, in the event...
8002065 Tractor-trailer axle center height control method and apparatus  
A tractor-trailer combination includes a semitrailer tractor having a front axle and at least one drive axle having a predefined nominal axle load, a semitrailer having a first axle and at least...
7980571 Steerable and liftable independent suspension system  
A liftable independent suspension system which may also be steerable. In a described embodiment, a liftable suspension system for use on a vehicle includes wheel spindles positioned to extend...
7967310 Wheel suspension for the rear wheels of a motor vehicle  
A wheel suspension for the rear wheels of a motor vehicle is created, with three links being provided in an upper link plane, and with a foremost link as viewed in the direction of travel being...
7963535 Tag axle pivot mount  
An arrangement for pivotally coupling an auxiliary axle frame to a vehicle chassis includes a pair of support brackets, each fastened to one of two opposite longitudinal rails of the chassis. Each...
7931285 Tag axle attachment for an off road agricultural applicator vehicle  
The present invention provides a tag axle attachment for an off-road agricultural vehicle. The tag axle attachment allows agricultural vehicles to meet roadway weight restrictions imposed by the...
7918468 Drop-down extra axle for utility truck  
The present invention is a drop-down extra axle and wheel set for a utility truck. The extra axle and wheels are pivotally connected to an extra frame set that overlies and/or extends along the...
7878516 Continuous radius axle and fabricated spindle assembly  
Axles and spindle assemblies for wheeled vehicles. More particularly, in at least one embodiment, this invention relates to a substantially curvilinear axle for wheeled vehicles, alone or in...
7857331 Mechanically-driven flip axle assembly and method of making  
A trailer assembly includes a trailer frame that supports a load to be carried. One or more axles have laterally-spaced wheels and are affixed to the trailer frame. A flip axle assembly is...
7854436 Axle lifting device for a vehicle  
Axle lifting device for a vehicle, in particular for vehicle axles with pneumatic suspension, comprising a supporting element, a lifting element, and a lever element, the supporting element and...
7845658 Steerable and liftable independent suspension system  
A liftable independent suspension system which may also be steerable. In a described embodiment, a liftable suspension system for use on a vehicle includes wheel spindles positioned to extend...
7845659 Dump truck tag axle suspension control  
Dump truck tag axle suspension control. A method of controlling a tag axle suspension includes activating a pusher suspension lift switch; and engaging a steer lock on the tag axle suspension,...
7841604 Detachable trailing tag axle  
A vehicle designed to haul loads may be provided, which may be effectively extended and load hauling capacity increased with a detachable trailing tag axle that may include a framework with a...
7828304 Pneumatic vehicle jacking system  
The present invention is an apparatus or device for jacking an individual axle of a truck or a truck trailer having an air line. The device includes a valve in fluid communication with the air...
7775308 Payload-carrying motor vehicle with tag axle having primary and secondary suspension  
A payload-carrying motor vehicle comprises a frame, a steer axle, tandem drive axles, at least one pusher axle located between the steer axle and drive axles, and a tag axle. A steer axle...
7775533 Payload-carrying motor vehicle with tag axle having disableable brakes  
A payload-carrying motor vehicle comprises a steer axle, at least one drive axle and a tag axle. All of the axles have wheels with tires and air brakes and a tag axle suspension system is adapted...
7770906 Passively steerable module axle  
In conventional vehicle cranes it is usually necessary in consideration of current safety regulations to provide at least two separate steering circuits for all steered axles so that, in the event...
7766349 Self-steering axle suspension system having a rotary stabilizer mounted at a pivot joint associated with a tie rod  
A self-steering axle suspension system utilizing a rotary damper coaxially aligned with and acting directly about the king pin centerline on one side of the vehicle is disclosed. Alternatively,...
7748724 Self-steering axle suspension system having a rotary stabilizer  
A self-steering axle suspension system utilizing a rotary damper coaxially aligned with and acting directly about the king pin centerline on one side of the vehicle is disclosed. When used as...
7740252 Payload-carrying motor vehicle with tag axle having force relievable suspension  
A payload-carrying motor vehicle comprises a steer axle, at least one drive axle and a tag axle. All of the axles have wheels with tires and brakes and a tag axle suspension system is adapted to...

Matches 1 - 50 out of 236 1 2 3 4 5 >