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7624967 |
Opposed-rope hoist driven telescoping mast
An opposed-rope driven telescoping mast assembly includes a stationary support and a longitudinal mast comprising a longitudinal section joined to move relative to the stationary support. A drive...
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7621078 |
Telescoping mast having variable height locking and a chain erection mechanism with a cable management system
A telescoping mast for supporting and raising a load may be telescopically extended by a zipper-action chain extension system further comprising a system for the management of one or more cables,...
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7581360 |
Retractable column and method of forming
The present invention is an improved apparatus and method for forming a retractable tower or column. The present invention includes pointed hooks wherein the hooks are attached to each section of a...
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7574832 |
Portable telescoping tower assembly
A portable telescoping tower assembly. The assembly includes a tower mounted on a trailer wherein the tower includes a plurality of telescoping sections that extend for use and retract and nest for...
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7546718 |
Extensible beam
An extensible beam ( 1 ) comprising: a first, elongate element ( 10 ), a second element ( 50 ) adapted to move relative to the first elongate element in order to vary the amount of overlap between...
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7497140 |
Heavy Duty field mast
A telescoping mast has a plurality of elongate tubular sections which are telescopically attached to each other and an axial drive screw centrally located in the mast for extending and retracting...
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7454871 |
Adjustable pier
An adjustable pier system that allows the elevation of a building structure to be readily adjusted when soil subsidence occurs. The adjustable pier includes telescopically intercoupled upper and...
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7416168 |
Prize lift telescoping assembly
An electromechanical prize dispensing system is provided for a game used, for example, in the arcade, amusement, carnival, trailer, or group game industries. The invention includes a means of...
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7310915 |
Retractable column and method of forming
The present invention is an improved apparatus and method for forming a retractable tower or column. The present invention includes pointed hooks wherein the hooks are attached to each section of a...
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7308953 |
Mobile drilling rig
An embodied mobile drilling rig is made of three sections, two substructures and a mast section, which are easily transported and installed at a drilling site. Each substructure includes a mast...
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7299589 |
Telescoping boom actuation mechanism formed of concentrically nested tubular boom sections mutually engaged by roller assemblies riding on helical tracks
A telescoping boom mechanism for deploying an expandable structure, such a hoop-supported antenna, comprises a plurality of concentrically nestable tubular boom sections, that are mutually...
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7234282 |
Modular tower
A modular tower assembly for use with blown film extrusion processes, where modular tower sections each having identical columns/foot prints can be stacked on top of one another. Each module can...
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7231741 |
Mobile cellular telephone tower
A mobile cellular telephone tower comprises a self-propelled base and a tower connected to the base. The tower includes a base segment and at least a first extendable segment operatively connected...
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7223061 |
Boom
A boom for a telescopic loader, is described. It is proposed that the boom be configured with a carrier arrangement having one end fastened to a frame of the loader vehicle, free to pivot, and...
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7137518 |
Telescopic crane
A telescopic crane, includes a substructure, a superstructure rotatably mounted onto the substructure, a counterweight and a telescoping boom structure which includes a main boom slewable about a...
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7111745 |
Boom for a load handling machine
A boom for a load handling machine, the boom has a mounting by which the boom is mounted on a body of the machine, and at least first and second telescoped sections. In use, the boom carries a load...
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7111689 |
Coiled tubing injector deployment assembly and method
An apparatus for transporting an injector assembly, such as an injector and a BOP, for coiled tubing to a wellhead may have a platform, such as a trailer, having a shaft attached thereto by at...
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7090086 |
Extendible boom with removable hydraulic hose carrier
A telescoping boom has a plurality of boom sections, and the boom sections nest together. The sections include an outer base section, intermediate sections, and an inner section that forms the...
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7044315 |
Telescopic boom of a crane
The within invention concerns a telescopic boom of a crane with a pivot section, telescoping sections that telescope out of the pivot section, and bracing that has at least one guy support housed...
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7011488 |
Slide arm for working machine
A slide arm for a work implement is provided, which is simply structured to obtain improved assembling precision thereby ensuring smooth operation. To this end, the slide arm is such that a...
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7000357 |
Antenna mast transport and deployment system
A light antenna mast group (LAMG) provides antenna masts coupled to a vehicle cap structure which is disposed on the top of a light truck, which in one embodiment can be a high mobility...
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6978907 |
Telescopic jib for a vehicular crane
A telescopic jib for a crane, such as a vehicular crane, comprises an upper profile part and a lower profile part joined together. The lower profile part consists of several shell segments, each...
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6951082 |
Drilling rig with torque carrier
A telescoping rig with an upper mast telescopingly received within a lower mast. A torque carrier is formed of an upper part suspended within the upper mast and a lower part attached to the lower...
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6842119 |
Detecting damage to a structural member
A method of detecting damage to a structural member which is part of a working arm of a working apparatus, which arm is moveable relative to a body of the apparatus by an actuator. In use, the arm...
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6805462 |
Towable light tower and power plant
A towable power plant is disclosed capable of supplying visible light for use at a worksite and at least on other power source. The power source may generate compressed air, electricity, or may...
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6782667 |
Tilt-up and telescopic support tower for large structures
A support tower for large structures such as wind turbines generators, microwave structures, high voltage transmission lines or the like, constructed of telescopic sections with the lowermost...
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6767115 |
Pneumatic telescoping mast
A pneumatically actuated telescoping mast assembly has a mast axis and comprises a plurality of telescopically interengaged mast tubes having axially opposite ends and being axially slidable...
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6726437 |
Telescoping loader lift arm
A telescoping lift arm assembly has an outer lift arm tube that is formed with a cross section configuration that has spaced side walls, and outwardly extending flange guide panels at the lower...
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6586084 |
Composite material jib
At least one section of a jib of a crane, such as a mobile crane, includes a composite cross-section incorporating a layer of steel covered by one or more fiber composite layers. In a preferred...
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6575318 |
Locking unit for a telescopic jib of a crane and telescopic jib
A locking unit for a telescopic system of a hydraulically actuated telescopic jib of a crane, having a jib box frame and a plurality of telescopic sections which are guided inside one another and...
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6550624 |
Telescopic crane
A telescopic crane, includes a substructure, a superstructure rotatably mounted onto the substructure, a counterweight and a telescoping boom structure which includes a main boom slewable about a...
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6546677 |
Telescoping mast assembly
A telescoping mast assembly having a ball drive actuator drive system. A telescoping mast section is housed within a base mast section mounted to a base plate. The base mast section pivots about a...
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6530742 |
Telescopic boom routing assembly for transmission lines
A telescopic boom arrangement of a vehicle is provided with a fixed, tubular outer boom and an inner boom which is mounted for sliding within the outer boom. Transmission lines for coupling various...
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6527131 |
Crane with a telescopic boom
Segments can be telescoped out of the base boom with boom guides of a telescopic boom of a crane, which in either their extended or retracted positions are locked by locking pins. After releasing...
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6520359 |
Lateral boom locking and actuating unit
A locking mechanism for telescoping sections, in particular for a mobile crane boom, includes a linearly shiftable locking bolt for connecting and releasing an inner telescoping section with...
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6484469 |
Column structures and methods for supporting compressive loads
A column assembly preferably includes a tube member having a wall that defines an interior volume. The column assembly is preferably operable to convert external, axial compressive forces applied...
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6484456 |
Telescoping mast assembly
An extendible mast assembly is disclosed comprising a base member ( 12 ); a base mast section ( 16 ) pivotally coupled thereto; and an extendible mast section ( 20 ) telescopically received within...
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6481587 |
Pendant-supported telescoping boom crane
A telescoping boom crane having a multi-sectioned, telescopically extending boom and an extensible pendant support system. The extending boom includes boom sections that are extensibly receivable...
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6322313 |
Apparatus and method for inserting a wafer, substrate or other article into a process module
An apparatus and method for inserting and removing a wafer into and from a plating apparatus, includes an elongated primary arm having a wafer seat for supporting the wafer, an elongated secondary...
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6301841 |
Method for erecting a structure for an emergency power line, apparatus and kit of parts therefor
Method for erecting an emergency mast (1) for a power line comprising mast elements placed one on top of another, comprising the following steps: arranging a guide device (19) at the location where...
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6293053 |
Non friction direct drive power system
The present invention relates to a power system for extending and retracting a telescopic row seating system, comprising a drum operably anchored to a drum frame, wherein a drum has at least two...
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6290377 |
Pneumatically telescoping mast having DC operated lighting and pivoting means
An improved pneumatically telescoping mast supported for pivotal movement in opposite directions is provided. The mast includes adjacent telescoping sections slidable relative to one another...
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6260310 |
Mast mounting system and method
A mast mounting system for vehicles and shelters which utilizes at least two clamp bracket assemblies mounted to the vehicle or shelter such that during transit and storage the mast is positioned...
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6253502 |
Van with extensible boom
A conventional cargo or passenger-type van (typically about 14-24 feet in length) is fitted with a boom assembly that is readily transported with the van in a collapsed position and substantially...
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6182995 |
Extendable semi-trailer
The invention provides for the management and protection of excess lengths of utility cables in extendable semi-trailers. Utility cables are affixed to the front and rear sections of an extendable...
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6119430 |
Method and apparatus for an adjustable building stud
A building stud having a slidable insert that provides the stud with an adjustable length. The stud includes an runner and a sleeve. The runner slides into the sleeve to form a stud having an...
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6108985 |
Slide mount for telescopic parts
The invention relates to a slide mount for telescopic parts, more particularly for crane jibs, including a slipper arranged between the sliding surface areas of the telescopic parts, the slipper...
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6098824 |
Telescopic crane boom section and a process for making sure
A telescopic boom section for a mobile crane including an upper inverted U-shaped longitudinal section and a lower convexo-concave longitudinal section. The upper section and the lower section are...
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6086256 |
Telescopic jib bearing assembly with embossments
A jib bearing assembly for at least two relatively movable telescopic parts of a jib for a crane includes embossments formed on at least one of the telescopic parts and cooperating bearing surfaces...
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6082051 |
Folding stage
An elevationally adjustable folding stage (20) includes stages decks (22) on a folding frame (24). Telescoping legs (26) extend from the frame (24) and include a spacer assembly (80). A spacer...
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