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7360773 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 such,...
7322587 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...
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...
7222867 Automated control system for a vehicle lift axle  
An automated axle control system provides both indication to the driver when a lift axle should be raised or lowered, and takes action to effect axle positioning when the driver fails to respond....
7195258 Mobile thick matter pump comprising a support construction and a pneumatic air-cushioned wheel axle  
A mobile viscous matter pump comprising a hydraulically operated support construction, a distribution boom ( 16 ) and a pneumatic cushioned trailing axle ( 42 ). To ensure stability during the pump...
7175189 Booster axle pivot mount  
A mounting bracket is attachable to a vehicle frame for pivotally connecting a booster axle assembly comprising a pair of spaced arms, each arm having a first end, a second end, and an axle...
7152866 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...
7131652 Steering damper and backup lock beam attachment  
A steerable lift axle/suspension system for a heavy-duty vehicle such as a semi-trailer or a straight truck, includes a pair of steering dampers and a backup lock. The steering dampers minimize...
6997464 Lift axle suspension  
A lift axle suspension includes an axle and a first suspension air bag acting one of directly or indirectly in a downward direction upon the axle. A lever is provided having a first end, a second...
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...
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...
6948726 Tag axle suspension system  
A tag axle suspension system provides weight reduction and enhanced safety and ride quality. In a described embodiment, a tag axle suspension system includes hanger brackets pivotably attached to a...
6899348 Tag axle suspension system  
A tag axle suspension system provides weight reduction and enhanced safety and ride quality. In a described embodiment, a tag axle suspension system includes hanger brackets pivotably attached to a...
6883813 Independent paddle lift axle suspension system  
An auxiliary lift axle suspension of the parallelogram type is constructed for heavy duty operation by providing longitudinal control arms at the corners of a parallelogram configuration extending...
6880839 In-line lift axle suspension system  
A parallelogram lift axle suspension system includes an in-line lift bellows located between and vertically aligned with a pair of upper and lower control arms so as to provide bi-directional...
6871862 Lift axle suspension system  
A lift axle suspension system. In a described embodiment, a lift axle suspension system includes: an axle assembly; an air spring connected between the axle assembly and a bracket attached to a...
6845989 Lift axle air pressure transfer control apparatus  
A lift-type axle/suspension system of a heavy-duty vehicle includes ride air springs for providing vehicle load support when the system is lowered, and one or more lift air springs for selectively...
6830250 Direction/distance sensing vehicle function control system  
A system for automatically and simultaneously controlling one or more vehicle functions by detecting the direction of movement of and the distance traveled by the vehicle. The control system...
6810982 Lift axle control  
A control for raising and lowering a lift axle ( 16 ) on a motor vehicle ( 10 ) having an ignition switch ( 106 ) for turning the motor on and off. The control has a circuit ( 32 ) that is fed...
6808035 Tandem rear axle suspensions for trucks and truck-tractors  
Tandem rear axle air suspensions for trucks and truck-tractors wherein a non-reactive, roll compliant drive axle suspension equipped with wheel slip sensing and control apparatus is combined with a...
6796566 Lift axle suspension system utilizing diaphragm chambers  
A lift axle suspension system to be mounted under a vehicle for selectively raising a tire wheel assembly out of engagement with a road surface which vehicle includes a lift axle mounted to a...
6752406 Highway/rail trailer axle/suspension lift assembly  
An air-free, relatively lightweight lift assembly for an axle/suspension system of a highway/rail convertible semi-trailer, utilizes a transversely-oriented coil torsion spring having a relatively...
6715778 Radio frequency-controlled axle/suspension lift system  
A control system for a heavy-duty vehicle such as a dump-type straight truck includes a portable radio frequency transmitter and a radio frequency receiver. The radio frequency receiver is...
6685211 Trailer dolly  
A load-bearing trailer dolly which connects a tongue-type boat, utility or other trailer to a towing vehicle and bears weight from the trailer during towing. In a preferred embodiment, the trailer...
6669303 Tag axle suspension system for a dump vehicle  
A tag axle suspension system for use with a dump vehicle and other systems provides weight reduction and enhanced safety and ride quality. In a described embodiment, a tag axle suspension system...
6604734 Method of retaining an air suspension  
A method of retaining a suspension system includes creating a negative pressure within an air spring such that a longitudinal member is retained in a substantially fixed position relative to a...
6604350 Airbag suspension system for articulated combine  
The present invention is directed to an airbag suspension system for a vehicle. The airbag suspension system includes a vehicle frame having an axle to which is affixed a longitudinal beam carrying...
6572124 Lift axle control system  
A lift axle control system is provided for a vehicle that has fixed axles and a lift axle. The lift axle is configured to move between a raised position spaced apart from the ground and a lowered...
6478317 Swing-frame assembly for tag axle  
A swing-frame auxiliary axle system for a work vehicle having a main frame including spaced chassis rails is disclosed which includes a pivot frame having a pair of spaced pivot arms connected by a...
6471223 Auxiliary lift axle suspension  
A lift axle suspension adapted to be mounted to a vehicle frame for selectively supporting a vehicle frame on an axle with ground engaging wheels includes a pair of trailing arm assemblies each of...
6435526 Axle lifting device for a vehicle  
A lifting arrangement for a wheel shaft of a vehicle operates on a wheel shaft that is movably suspended in a vehicle frame structure through one or more stay devices. The stay devices are...
6431564 Add-on self tracking axle for a vehicle  
The present invention is a self steering “add on” axle system for use with a vehicle such a dump truck in order to increase the legal weight capacity of the vehicle and provide effective...
6419247 Auxiliary axle assembly  
An auxiliary axle assembly in which a pair of pivoted swing arms, each supporting a wheel are mounted to a frame member to extend downwardly and outwardly therefrom. Controllably pressurized air...
6398236 Lift axle suspension with axle reservoir  
A trailing arm suspension, alone or in combination with a vehicle having a vehicle frame supported by an axle with ground engaging wheels. The trailing arm suspension comprises a pair of spaced...
6371499 Latch assembly arrangement for tag axle  
An auxiliary axle system for a work vehicle is disclosed including a pair of spaced arms pivotally mounted to the vehicle, at least one tag axle and wheel and a cross member and a latch pin carried...
6322090 Suspension system with an oscillating, rigid axle, particularly for tractors  
A suspension system with an oscillating, rigid axle, particularly for tractors, is described; the axle is supported on a sub-frame with oscillating arms which in turn can be mounted for oscillating...
6315311 Self-stowing wheeled support structure  
A wheeled support structure reversibly deployable from a stowed condition on the bed of a trailer to aid in rolling support of a load thereupon is provided. The support structure includes a frame,...
6311993 Lift axle suspension mounting system  
A lift axle is pivotally mounted to the frame of a vehicle for selectively providing additional flotation for the vehicle. A pair of frame brackets are secured to the frame members of the vehicle...
6293570 Self-steering, caster-adjustable suspension system  
An improved steerable axle suspension system for vehicles, providing improved mechanisms whereby the caster angle of a wheeled axle may be adjusted to allow for steerability in either the forward...
6257597 Anti-creep device for a trailer with air springs  
An anti-creep device for a trailer includes a support arm adapted to be mounted to a trailer frame proximate a trailer axle for rotational movement between a retracted position and an extended...
6247713 Axle attachment arrangement for tag axle  
A swing-frame auxiliary axle system for a work vehicle and method of assembling is disclosed that includes a pivot frame having a pair of spaced pivot arms having a pivot end and a free end and...
6247712 Trailing axle assembly  
A vehicle comprising a body having a front end and a rear end, front wheels carried by a front axle mounted to the body proximate the front end of the vehicle, rear wheels carried by a rear axle...
6199876 Vehicle trailer suspension stabilizer and lift system  
A vehicle suspension system that is especially useful for truck trailer suspensions includes an adjustable support that stabilizes the vehicle when desired. The adjustable support preferably is...
6189901 Compact, trailing, auxiliary axle system  
A compact, trailing, auxiliary axle system is attached to a truck for carrying additional weight and distributing the weight of the truck over a greater number of axles and a greater maximum total...
6158750 Lift axle assembly  
A lift axle assembly for supporting an auxiliary axle and wheels and selectively moving the auxiliary axle between in use and storage positions. The auxiliary axle is supported using two sets of...
6139248 Module transporter  
A module transporter for transporting large loads, such as loads of 100 tons or even more, including two frame members joined at a base. The frame members are vertically adjustable and supported by...
6135469 Tag axle mounting system  
A tag axle which is pivotally mounted to the rear of a vehicle for selectively providing additional flotation for the vehicle. The tag axle includes first and second suspension arm mounts secured...
6123347 Tag axle system  
A selectively deployable auxiliary wheel system for a refuse collecting vehicle includes a pair of spaced tag axle assemblies. The system can be used with any type of refuse vehicle and is designed...
6116698 Articulating trailing tag axle  
First hydraulic drives (e.g. cylinders, pistons) and lift arms attached to dump truck side panels, preferably reinforced, move a trailing tag axle, and wheels supported by the tag axle, between...
6073946 Trailing arm suspension  
The invention is a trailing arm suspension with a steerable axle assembly having a caster angle controlling the direction at which the axle steers. A lift axle suspension or a lockout device is...
Matches 1 - 50 out of 192 1 2 3 4 >