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| Number | Title | Issue Date |
| 8109395 | Gantry positioning system A gantry system is provided that comprises a gantry beam having a first section and a second section and first and second motors cooperating to drive the respective first and second sections in parallel directions to position the gantry beam along a linear axis. A f... | 02/07/2012 |
| 7377398 | Portable knockdown trolley hoist A portable knockdown trolley hoist, comprising: a trolley support member having opposing ends; a trolley having a plurality of upper roller bearings and a plurality of lower roller bearings, the trolley rollably sandwiching an upper portion and a lower portion of th... | 05/27/2008 |
| 7210183 | Method and installation for building a highway and a highway The invention relates to a method and installation for constructing highways. The object of the invention is to extend operational capabilities of a mobile installation for constructing a highway in space-limited enviroment without reducing the traffic intens... | 05/01/2007 |
| 7182318 | Method and apparatus for removing and installing a differential of a vehicle A hoisting assembly that is adapted to be mounted to the frame of a vehicle where a hoisting device extends an attachment member such as a hook to connect to an engagement location of the differential where the hoisting assembly is positioned substantially verticall... | 02/27/2007 |
| 6923214 | Device for servicing an aircraft on the ground A device for servicing an aircraft on the ground includes a rolling support and a cable or hose assembly having a first end for connection to a ground unit and an opposite second end for connection to the aircraft. A reel is rotatably mounted on the rolling support ... | 08/02/2005 |
| 6637610 | Personal transporter Structure and procedures for lifting, transferring and moving a person, such as a bed ridden person or one requiring the use of a wheelchair, involve a frame (393) supported on wheels (394, 395), a horizontal load supporting beam (392) in an upper part of... | 10/28/2003 |
| 6554145 | Universal traversing assembly for legs of cranes or the like A universal traversing assembly for legs of cranes or the like comprises: a platform provided with a series of driving wheels and supporting wheels which are aligned and are adapted to roll on a long underlying rail for the traversing motion of the leg; a... | 04/29/2003 |
| 6478172 | Portable lifting device A portable lifting device provides the heavy and massive object lifting, loading and/or unloading through the window opening and includes a plurality of telescopic stanchions, each of which comprises at least two of a plurality of telescopic sections, a f... | 11/12/2002 |
| 6382437 | Crane apparatus A crane system for carrying a load while suspending it from a portal-shaped body frame via wire ropes includes first and second wire ropes on both sides, in a right-and-left direction, of an upper portion of the body frame for fixing the suspended load, a... | 05/07/2002 |
| 6328524 | Cask transporter A cask transporter for engaging, lifting and safely transporting casks containing nuclear waste material. The cask transporter comprises a gantry structure including a plurality of extendible telescoping boom assemblies coupled to a beam. A platform is co... | 12/11/2001 |
| 6010019 | Dual beam header connector plate A gantry lift includes one or more pairs of vertically extendible lift columns and one or more horizontal lift beams supported across the upper ends of the lift columns. The lift beams are supported on header plates that permit slight pivoting or rocking ... | 01/04/2000 |
| 5810183 | Gantry crane with elevating operator cab A gantry crane has first and second side support frames spaced by a pair of trolley beams. A lifting mechanism is connected to the trolley beams and includes a lift frame for engaging a load to be lifted. An operator cab is mounted on the first side suppo... | 09/22/1998 |
| 5788096 | Material-handling machine with hinged leg A material-handling machine includes a substantially horizontal girder having an end, a supporting flanged wheel at the end, a truck having rail-riding wheels on a rail and a girder mid-portion extending from the end and connected to a support leg extendi... | 08/04/1998 |
| 5645395 | Building crane apparatus climbable on building walls A building crane apparatus includes: a gantry crane slidably held on a pair of guiding rails longitudinally juxtapositionally mounted on two side walls of a building, and an elevating device secured on the building side walls for lifting the gantry crane ... | 07/08/1997 |
| 5529452 | Gantry crane An improved gantry crane that has a control cab mounted for vertical up and down movement substantially parallel with respect to the upstanding columns of the crane between a lowermost position adjacent the ground and infinite positions within a fixed ran... | 06/25/1996 |
| 5511268 | Construction of large structures by robotic crane placement of modular bridge sections A system for rapid, cost-effective construction of highway bridges, traffic verpasses and bypasses, and causeways over water or wetlands utilizes light-lift crane structures together with modular, light-lift bridge sections and an enhanced stabilized crane... | 04/30/1996 |
| 5395200 | Gantry crane apparatus for an array of racks storing cassettes containing rod-shaped material A gantry crane for storing (or removing) long cassettes containing rod-shaped material on (or from) racks for supporting such cassettes at both rack ends travels on rails raised above the bottom of an array of such racks, but only part way up to the tops ... | 03/07/1995 |
| 5385249 | Material handling machine with force-isolating support link The disclosure involves a material handling machine such as a lattice-type portal crane having an elongate lattice girder suspended from a girder beam by a first and second support links. In turn, the girder beam is supported at an elevation by a pair of ... | 01/31/1995 |
| 5360123 | Gantry stabilizer An apparatus and method for stabilizing a gantry. Powerful springs in the apparatus allow small deviations from a perpendicular configuration of a boom and beam arrangement. The springs resist larger deviations, thereby increasing the structural integrity... | 11/01/1994 |
| 5183377 | Guiding a robot in an array A two-dimensional mounting structure for an industrial robot or robot manipulator on a carriage with a lifting post and a manipulator connected to the post, the mounting structure includes longitudinal rail carriers, transverse connectors and a movable ra... | 02/02/1993 |
| 5180070 | Directional control system for a gantry type crane A directional control system for a gantry type cane operable in either a longitudinal direction or a transverse direction is disclosed. The gantry type crane has first and second, spaced front wheels and first and second, spaced rear wheels. The first fro... | 01/19/1993 |
| 5076450 | Method and apparatus for reduced radius turning for large rail mounted cranes Method and apparatus for reduced radius turning for large cranes mounted on curved sections of rails or track which is effected by lifting the outboard sets of wheels of the crane supporting bogies which are located at the corners of the cranes disposed o... | 12/31/1991 |
| 5028198 | Collapsible full reach truck bed hoist A collapsible full reach truck bed hoist includes a pair of elongated tracks adapted for securement onto the truck bed in parallel spaced apart relation. An inverted U-shaped hoist frame has opposite depending legs connected to trolley structures which ar... | 07/02/1991 |
| 4972538 | Launching apparatus for transportable bridges A bridge span consisting of a series of end-to-end engageable bridge modules can be launched across a gap from a launch vehicle with the aid of an overhead launch rail consisting of a series of end-to-end engageable launch rail modules, the rail having be... | 11/27/1990 |
| 4930970 | Collapsible hoist for a truck bed A hoisting apparatus for the use in trucks has frame members 26, 28, 30, 32, 34 which are pivotally moveable and slidable connected to one another such that the apparatus can be assembled and disassembled by a single person and placed in a transporting po... | 06/05/1990 |
| 4927034 | Steerable power drive for gantry crane There is described a new and improved self-propelled steerable gantry crane including an elevated load carrying beam, individually adjustable downwardly divergent pairs of legs spaced apart lengthwise of the beam proximal the ends thereof for supporting t... | 05/22/1990 |
| 4919283 | Container ship worker safety system A safety system helps prevent injury from falls from stacks of containers while loading and unloading container ships using an overhead trolley crane. The crane is of the type including a frame movable in fore and aft gantry directions, a trolley track su... | 04/24/1990 |
| 4890750 | Portal crane A multilegged portal crane is disclosed in which a plurality of legs including first, second and third spaced apart legs are affixed to a frame with each leg extending between the frame and a different one of a plurality of rails. Each leg has a pair of w... | 01/02/1990 |
| 4880124 | Straddle crane steering system The invention is suitable for use in a straddle-type crane having a frame and four corners, and comprises a system for the manual resynchronization or automatic synchronous movement of a plurality of pairs of steerable wheels. The pairs of steerable wheel... | 11/14/1989 |
| 4877365 | Side shift grappler A crane and lift apparatus for controlling the operation of primary hoist and bridge apparatus, and gantry drive functions of the equipment. There is provided a side shift grappler apparatus to handle or pick up a truck trailer vehicle loaded with two con... | 10/31/1989 |
| 4877206 | Concrete delivery trolley A trolley for positioning a concrete delivery conduit in a work area utilizes a carriage member movable along a support beam to carry a pipe engaging cradle. The carriage and cradle permit the conduit to be moved laterally and axially without substantial ... | 10/31/1989 |
| 4838438 | Crane and driving system therefor A crane provided with traveling wheels disposed under a crane frame. The crane includes a hoisting accessory which is adapted to be hoisted by a hoist apparatus. AC motors are provided as travel motors for driving the traveling wheels as well as hoist mot... | 06/13/1989 |
| 4763800 | Mobile lifting apparatus A mobile lifting apparatus has a chassis with front driving wheels and steerable rear wheels. A vertical mast comprised of a pair of extendible hydraulic cylinders is spacedly mounted on the front of the chassis. One or more jam stay cylinders are mounted... | 08/16/1988 |
| 4740131 | Apparatus for lifting and carrying heavy loads An apparatus for lifting and carrying heavy loads includes a generally horizontally extending support beam attached between a pair of generally vertically extending posts. The distance between the ends of the support beam is selectively adjustable. The bo... | 04/26/1988 |
| 4718563 | Overhead gantry The instant invention concerns a transportable overhead gantry for spanning a roadway having two supports linked in an articulated manner to a cross-member. The cross-member is adjustable for height, for example using a winch operable to move the cross-me... | 01/12/1988 |
| 4715762 | Grappler system for lifting apparatus A lifting apparatus having a grappler system by which one or a plurality of stacked containers may be lifted and transported. The grappler system includes pin devices capable of being inserted into standard holes provided at the corners of the container. ... | 12/29/1987 |
| 4708048 | Munitions assembly system A system for the rapid assembly of munitions comprising a roller conveyor extending from beneath an on-load gantry, a hoist attached to the on-load gantry, a rail conveyor extending from the on-load gantry to an off-load gantry, a hoist attached to the of... | 11/24/1987 |
| 4706570 | Crane with anti-skewing device A crane with an anti-skewing device comprising a platform suspended under a bridge deck by two end truck assemblies supported by runways on a bridge. Each end truck assembly includes two sets of trolleys and an upper load bar interconnects the two sets of... | 11/17/1987 |
| 4667834 | Crane apparatus having hydraulic control system A crane apparatus having a hydraulic system for controlling the operation of the hoist and bridge, and gantry drive functions of the equipment. The hoist, bridge and drive components are driven by an AC motor that is powered by an AC generator. The AC mot... | 05/26/1987 |
| 4664270 | Air transportable gantry type crane An air transportable gantry-type crane has a pair of collapsible side frames adapted to be releasably interconnected by a pair of elongate cross members. Each side frame has an extended operating state and a collapsed transportable state. One of the cross... | 05/12/1987 |
