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Document Title |
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7591336 |
Pin disengaging assembly and a method of disengaging pins of a trailer tandem
A disengagement assembly for maintaining a disengaging force on a tandem assembly. The disengagement assembly operates with an actuating arm of a retractable pin assembly of a tandem wherein the...
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7581610 |
Vehicle and four-to-three wheel conversion method
A three-wheel vehicle includes a single rear drive wheel, which is mounted on a suspension subframe located near the rear of the vehicle and extending between rails of the vehicle's chassis. A...
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7549667 |
Trailer personnel lift with retractable axles
A trailer having retractable wheels. A lock-out mechanism is provided that prevents the trailer from being connected to a vehicle when the wheels are in the retracted position. The lock-out...
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7549660 |
Frame or subframe for tractor-trailers
A frame or subframe for a tractor-trailer for supporting one or more axle/suspension systems includes a pair of spaced-apart, parallel, elongated, and longitudinally extending main members. At...
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7543671 |
Vehicle with variable-length wheelbase
A vehicle with a variable-length wheelbase is disclosed. The vehicle of one embodiment has a first body portion coupled to a first set of wheels and a second body portion coupled to a second set of...
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7527118 |
Moveable additional axle assembly for attachment to skid steer loader
A moveable axle assembly that can be moved into an operative position and retracted from an operative position and is constructed and arranged to be pivotally coupled to a motorized device, such as...
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7527117 |
Vehicle with actively adjustable axle system
A vehicle with an actively adjustable axle system suitable for traveling over even or uneven terrain with a load is herein proposed. The vehicle includes a frame having a front end, a rear end, and...
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7523995 |
Milling machine
Work machines such as road mills having a frame supported by tracked or wheeled ground engaging support units may require the ability to move one or more of the ground engaging units between...
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7503414 |
Movable subframe for tractor-trailers
A movable subframe for a tractor-trailer includes a pair of elongated spaced-apart main members extending longitudinally relative to the tractor-trailer, at least one cross member extending between...
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7497293 |
Interlock for slider locking pin handle
An interlock for a slider incorporates a cover that moves between a covered position and an uncovered position. In the covered position, the cover prevents access and movement of a handle for...
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7425004 |
Vehicle support system
The disclosure is generally directed toward vehicle support systems. In one embodiment of the invention, first and second support assemblies can be pivotally coupled to a base. A control mechanism...
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7404467 |
Device for transferring two-wheel motorbike into three-wheel vehicle
A device for transferring two-wheel motorbike into three-wheel vehicle includes a rectangle frame directly connected to the frame of the two-wheel motorbike and two side frames are connected to two...
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7404466 |
Locking pin locator
A compact, portable locking pin locator device adapted to assist the driver of a semi truck including a tractor and a trailer to locate the trailer over the tandem axle under the back end of the...
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7371137 |
Amphibious vehicle suspension
An amphibious vehicle, which may plane on water, has at least one pair of front or rear wheels having wheel suspensions fitted with an anti-roll bar ( 46 ). Said bar rotates upwards as the wheels...
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7341315 |
Device for the removal of coverings laid on flat surfaces
The invention relates to an apparatus for removing coverings laid on even surfaces, comprising a support frame ( 10 ) for mounting driving wheels ( 16 ) and for accommodating a motor ( 17 ) and a...
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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...
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7296647 |
Transport drive in particular for stage elements, fork-lift vehicles and moving platforms
A transport drive, in particular for stage elements, fork-lift vehicles and moving platforms (R), comprising at least one element which is driven or may be driven, integrated in a base region of...
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7281723 |
Sprayer strut suspension
A chassis suspension for agricultural equipment, the chassis suspension comprising: an axle having a substantially upright journal adapted for upright axial constraint of an inner journal therein;...
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7273115 |
Control apparatus for a patient support
A patient support including a traction device and a motor for moving the patient support. A motor disconnect arrangement is provided to enable manually powered movement of the patient support.
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7261177 |
Pneumatic locking pin operating system for a trailer slider
A locking pin system is operated through an air spring which rotates a torque tube to remove a spring bias from a multiple of locking pins. Operation of the locking pin system is controlled by a...
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7261176 |
Articulated vehicle suspension system shoulder joint
An articulated vehicle suspension system shoulder joint is disclosed. A vehicle includes a plurality of wheel assemblies; a plurality of rotating shoulder joints, each wheel assembly being mounted...
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7255195 |
Steering device for snowmobile
An adjustable ski track width mechanism allows adjusting the ski track between a narrow ski track width and a wide ski track width. The adjustable ski track width mechanism includes a steering...
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7252169 |
Windrower rear axle suspension system
A suspension system for the rear axle of a self-propelled agricultural windrower. The axle is split into two components, each having an air spring to absorb shocks. The two air springs are...
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7246671 |
Stair-climbing human transporter
A transportation vehicle and methods for transporting persons, robots or cargo, and more particularly motorized vehicles, and methods for transporting over surfaces, including surfaces such as...
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7243747 |
Trailer provided with manoeuvring device
A trailer provided with a manoeuvring device. The manoeuvring device has a pivoting frame that can be moved with respect to the chassis of a trailer, such as a caravan, and is provided at the end...
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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....
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7216896 |
Heavy hauling system with hydraulic-powered extendable axles
A carriage for transporting heavy loads on conventional roads is disclosed. The carriage comprises a central beam extending the length of the carriage and a plurality of cross beams. At least one...
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7198278 |
Vehicle support system
The disclosure is generally directed toward vehicle support systems. In one embodiment of the invention, first and second support assemblies can be pivotally coupled to a base. A control mechanism...
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7182166 |
Footrest tuck mechanism
A wheelchair with a footrest that tucks as a power base on which the wheelchair seat is mounted rotates about an axis parallel to a surface. The rotation of the power base raises the height of the...
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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...
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7165643 |
Industrial truck having increased static/quasi-static and dynamic tipping stability
A forward-control counterweight fork-lift truck has a liftable and tiltable load-lifting device ( 1 ), a traction drive, operating drives, and a steering drive. A calculation model (D) based on...
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7163213 |
Powered hand truck
A powered hand truck for assisting in the movement of objects. The powered hand truck includes an electric motor, a power source, a programable motor controller, and a transaxle, which are...
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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...
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7140693 |
Milling machine with re-entering back wheels
A work machine includes a frame ( 2 ) supported by a plurality of wheels or tracks ( 5 ), at least some of which are associated with respective lifting columns ( 32 ) adapted to raise and lower the...
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7117967 |
Wheel chair apparatus and method
A wheel chair drive apparatus includes a frame having a wheel mount, a battery mount, and a control shaft mount. A drive wheel has a drive motor incorporated within the drive wheel. A battery is in...
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7097192 |
Trailer slider locking pin interlock with parking brake
A slider locking pin control receives feedback of the actual position of the locking pins. If the locking pins are not engaged in the trailer frame rails, then the interlock valve will vent air to...
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7077601 |
Hot in-place asphalt recycling machine
A machine for providing hot-in-place recycling and repaving of an existing asphalt-based pavement, in which the pavement is first heated. Using this machine the heated pavement surface is then...
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7044251 |
Vehicle conversion apparatus and method
A conversion apparatus for attachment to a vehicle is provided. The conversion apparatus may include a frame having a mounting assembly adapted to releasably couple the conversion apparatus to the...
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7044250 |
Detachable suspension mounting
A detachable suspension mounting includes a pair of plates each having an upper surface and a lower surface. The upper surface of a first of the plates is fixedly coupled to a bottom side of the...
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6994358 |
Bump stop
Bump stop for an amphibious vehicle suspension having a member selectively movable between an operating position, and an inoperative position. This allows the suspension to retract road wheels...
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6964314 |
Three wheel motorcycle conversion assembly
A mounting assembly for converting a two wheel vehicle to a three wheel vehicle. The mounting assembly includes a swing arm assembly having two arms connected by an intermediate member with each of...
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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...
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6942053 |
Vehicle of novel configuration and operation
A vehicle having two primary wheels and two or more retractable wheels that may be operated in either two-wheeled or multi-wheeled configuration with a sliding panel system for open or complete...
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6910844 |
Self-loading vehicle for shipping containers
A U-shaped vehicle with flexible beams equipped with an adjustable toe-angle, variable height suspension. Containers are attached between the beams of the vehicle. The rear suspension has a...
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6902022 |
Tractor having a convertible front end and variable track width and related methods
A tractor having a front end and a rear end adaptable for a variety of different environments. Methods related to the conversion of the tractor are also disclosed. In one embodiment, the invention...
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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...
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6896084 |
Wheeled vehicle having a detachable rear frame
A wheeled vehicle includes a main frame, and a rear frame detachably mounted on the main frame. The main frame includes a transverse bar and an upright bar. The rear frame includes a crossbar...
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6886837 |
Hydraulic suspension strut for an amphibious vehicle
A hydraulic suspension strut ( 30 ) has a first on-off valve ( 58 ) connecting the first and second chambers ( 42 and 44 ), and a second on-off valve ( 62 ) connected to chamber ( 42 ) only....
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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...
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6880654 |
Vehicle with a distributed motor
A motorized vehicle having a distributed motor system, i.e. having a plurality of electric drive motors ( 12 ) each coupled to a respective traction wheel ( 10 a ), all under the control of a...
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