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8181937 |
Hydraulic leveling cylinder
An anodized aluminum hydraulic leveling cylinder 10 for a vehicle includes an extruded hollow body 20 having a vehicle attachment portion 24 for attaching the body to the underside of a vehicle. A...
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8066259 |
Hydraulic jack with lowering control means
A hydraulic jack comprising a hydraulically actuated saddle movable from a first lowered position to a second raised position, the jack having a handle which, when pumped up and down, hydraulically...
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8062579 |
Device for moving a runner
A device (10), for moving a runner (12) of a shaft furnace between an upper tapping floor level (42), where the runner is in an operational position in front of a taphole of the furnace, and a...
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8033778 |
Elevating conveyance device
The present invention proposes an elevating conveyance device with improved versatility which can be utilized for transferring an automobile body in an automobile assembly line, etc., and according...
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7926796 |
Bracing means
Bracing means for supporting a moveably mounted or flexible component during a machining operation that has an expandable member adapted to fit between a component and a support surface. When the...
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7878482 |
Jack stand and jack combination and method of elevating a load
A jacking system is disclosed in which a hydraulic jack, having a raisable piston, is used, in combination with a jack stand having a raisable support column, to raise a load. In a preferred...
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7806384 |
Lift with low profile rotatable coupling
A lift includes a housing for rotatably receiving a hydraulic cylinder with a piston rod coupled to a generally cylindrical support tube. A low profile connecting head for supplying hydraulic fluid...
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7770868 |
Telescopic lifting assembly
A telescopic lifting assembly designed particularly for the hydraulic height adjustment of a medical treatment table includes two antiparallel juxtaposed linear drives (2, 3) connected functionally...
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7604219 |
Patient lift systems with telescopic lifting apparatus
Patient lift systems having a telescoping lifting apparatus include a telescopically displaceable lifting beam and a fixed lifting beam. The telescopically displaceable lifting beam may be operable...
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7544902 |
Mechanical lift measurement system
A lift measurement system is provided for determining a position of a load during a lift operation. The system includes a display that includes a scale and encloses a movable indicator that moves...
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7516579 |
Plate holding device fixed to a substructure
The invention is directed to a holder for fixedly attaching a panel to a substructure. The holder comprises a connection member capable of being fixedly connected non-rotatably to the substructure,...
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7503251 |
Load balance adjusting method and equipment of lifting jacks, and jack-up equipment
A load balance is adjusted to be appropriate even if shared loads of lifting jacks are fluctuated from an initial setting state caused by cumulative errors of suspending rods. It is a load balance...
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7464914 |
Robust consumer lifting device-power unit
A power unit includes a rectangular frame base having a left shoe and a right shoe having a longitudinal track on their inner sides, a forward end having a support plate for receiving a jack stand,...
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7357374 |
***WITHDRAWN PATENT AS PER THE LATEST USPTO WITHDRAWN LIST***
Jack stand and jack combination and method of elevating a load
The combination of a jack stand and a vertically oriented, compact hydraulic jack enables a user to avoid misplacement when lifting a load. The stand includes a vertically oriented column moveable...
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7334775 |
Device for opening, by means of force, doors, windows and other types of openings, with a remote control
The invention relates to a device for opening, by way of force, an operating sash (100) which has a length (L) and which comprises an opening part (102) and a fixed frame (104), such as a door or...
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7267057 |
Enclosed railcar jack assembly
The disclosed jack assembly is used to lift the frame of a railcar above a wheeled truck assembly in order to replace or perform maintenance upon the wheeled truck assembly. The jack assembly...
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7240771 |
Mast staging hydraulic circuit
A multistage mast assembly for use on a lift truck and method of operation for staging first and second mast sections of the multistage mast assembly. Each mast section has a retracted position and...
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7198135 |
Lifting device, especially lifting platform for motor vehicles
A lifting platform for motor vehicles has at least one extendable lifting column that is formed by a tubular jacket and a lifting cylinder unit arranged at least partially therein. The upper end of...
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7147211 |
Hydraulic jack stand
The hydraulic jack stand is a hydraulic jack with an integral jack stand. The jack stand helps stabilize and support a heavy object being lifted by the jack. The hydraulic jack stand uses multiple...
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7137615 |
Jack
A jack includes a base having a pair of spaced apart side members with a substantially horizontally oriented platform overlying a forward portion of the base. A pair of support arms pivotably...
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7097152 |
Automatic support locking device for portable towers and tanks
The current invention describes an automatically locking leg support system for portable water and fuel towers. The system automatically locks a wedge into a support leg to support a water tower,...
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7082662 |
Method and apparatus for installing sectional flooring
A sectional flooring installation device allows carpet installation teams to quickly remove and install sectional carpeting in locations that have multitudes of the bookshelf assemblies, for...
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7073631 |
Lifting device with synchronization mechanism
A lifting device for a transfer system, in particular for a transfer system with a pneumatic drive, raises and/or lowers transported goods. The lifting device has at least two lifting pistons (3),...
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7066683 |
Hydraulically operated low profile boat lift utilizing at least two pilings
An assembly for lifting a boat locatable adjacent a dock requires only two elongate vertically disposed pilings each having a lower end portion mounted into the floor of a body of water near the...
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7028987 |
Lifting jack arrangement for lifting platforms
A lifting jack arrangement for lifting platforms. The lifting jack has a liftable and lowerable, dimensionally stable guide tube on the upper end of which support elements, for example for a motor...
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6966541 |
Hydraulic lifting assembly and method
An assembly for lifting and supporting a journal body with respect to a stationary body including: a support bracket for being secured to said stationary body; an elongated support member to engage...
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6926256 |
Center sill car jack utilizing air bellows
The disclosed jack assembly is used to raise the frame of a railroad car to a sufficient height above a wheeled truck assembly coupled to the railroad car in order to perform maintenance or remove...
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6916013 |
Device for exerting pressure on a door or on any other vertical planar surface
A device for exerting thrust from external abutment points (1, 2) onto a door or any other vertical plane surface (3) such as a partition, the device being characterized in that it includes: a...
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6902148 |
Safety jack
The present invention is a safety jack having a propping mechanism comprised of a prop attached parallel to and jointly movable with the lifting arm, a storage well for receiving the prop in a...
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6895648 |
Motor vehicle pneumatic jacklift system
A permanently mounted pneumatic jack (jacklift) system for motor vehicles, as well as an impact wrench for removing and installing lug nuts. The system provides a quick and safe means of lifting...
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6832402 |
Tire changing kit
A tire changing kit for quickly changing tires on a vehicle. The tire changing kit includes a power supply being adapted to be disposed in a vehicle and including a motor having a rotatable shaft...
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6820861 |
Bottle jack apparatus and method
A method and apparatus for moving a load. The apparatus is a bottle jack that capable of reaching the load in a minimum amount of pumping by the operator. The lift reaches the load in a shorter...
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6811000 |
Volumetric operating system for vehicle lifts
A description is provided of a volumetric operating system (10) for scissors-type vehicle lifts, comprising a plurality of cylinders (16, 18, 20, 22) for movement of the vehicle lifting runways...
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6742767 |
Floor jack apparatus and method
A method and apparatus for moving a load. The apparatus is a floor jack that capable of reaching the load in a minimum amount of pumping by the operator. The lift reaches the load in a shorter...
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6742766 |
Dual assist hydropneumatic jack
A dual-assist hydropneumatic jack. The dual-assist hydropneumatic jack includes a frame having an upper portion, a lower portion, and a central portion. The central portion defines a chamber...
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6722634 |
Joint between a first cylinder and a second cylinder of a hydraulic jack to allow the second cylinder to drive the arm directly
A hydraulic jack includes a first cylinder, a handle pivotally connected to the first cylinder to activate the first cylinder, a second cylinder in communication with the first cylinder and having...
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6705595 |
Heavy vehicle lifting device and method
A universal lifting device for elevating heavy off-the-road vehicles, e.g. mechanical shovels used in mining operations, is proposed to raise the upper revolving section of the shovel and allow for...
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6641115 |
Bin lifting system
The present invention is a lifting system that can be used to construct cylindrical grain bins. It includes sets of identical, telescoping jacks actuated by hydraulic cylinders and an hydraulic...
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6634462 |
Free link system for precise control
A free link system including a drive assembly mounted along an imaginary longitudinal center line of a rectangular base, the drive assembly including two identical units provided on opposing ends...
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6623146 |
Lifting apparatus particularly for lighting fittings
The invention relates to an improved lifting apparatus (1), particularly for lighting fittings and not, for shooting studios, comprising a pair of pantograph structures (2, 3), provided side by...
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6601825 |
Portable and demountable lifting device
A lifting device that can effectively lift a variety of objects and enhance portability. The lifting device provides demountable portability that enables easy adaptation of the invention for...
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6572080 |
Dual hydraulic jack system
A dual hydraulic jack system for more quickly raising the jack up to a load to be lifted. The dual hydraulic jack system includes a dual pump assembly mounted a base. The dual pump assembly...
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6527254 |
Self-contained vehicular jacking system
A self-contained vehicular jacking system for raising a portion or portions of a vehicle off the ground automatically by depressing associated control buttons from within the vehicle. The...
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6513789 |
Method and apparatus for short-term relining or construction of blast furnace
Method and apparatus for short-term relining or construction of a blast furnace uses a grounding apparatus for grounding of ring-shaped blast furnace segments having shells and a casting floor...
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6443429 |
Surface mounted vehicle lift
A surface supported vehicle lift includes at least one independent elevating runway member which accepts loads of varying weights. The runway member accepts uniform or non-uniform loads imposed...
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6427977 |
Lifting apparatus, particularly for lighting fittings and not, for shooting studios
The invention relates to a lifting apparatus, particularly for lighting fittings. The lifting apparatus comprises a pair of pantograph structures which are spaced apart, substantially parallel, and...
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6422536 |
Lifter apparatus for raising and lowering a part
A pair of horizontally spaced and horizontally extending part support rails or elongated platens are each guided and supported for vertical movement by a pair of guide and support members having...
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6409153 |
Small vehicle storage lift
An apparatus and method for storage of small vehicles in a garage where substantially all of the floor space is used to store other motor vehicles. An apparatus for lifting a small vehicle off a...
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6390450 |
Demountable lifting device
A lifting device that can effectively lift a variety of objects and enhance portability. The lifting device provides demountable portability that enables easy adaptation of the invention for...
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6357724 |
Automatic lifting device with illumination ability
An automatic lifting device with a light module is disclosed. The front end of the automatic lifting device has a lateral side plate at each side, a front shaft, a top plate (saddle), a lifting arm...
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