Did You Know...
...When G.G. Hubbard learned of his future son-in-law's invention, he called it "only a toy." His daughter was engaged to a young man named Alexander Graham Bell.
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| Number | Title | Issue Date |
| 7731040 | Crawler crane In a crawler crane of the present invention, a plurality of winches 11-14 for winding wire ropes are disposed on a rotating frame 6 of an upper rotating body 3 in a row in a plane view. A cabin 17 and a power unit 18 are dis... | 06/08/2010 |
| 7204378 | Goods transshipment apparatus A goods transshipment apparatus having a mobile substructure with a superstructure mounted so as to be rotatable relative to said substructure and having a driver's cab and engine compartment and a jib or jib system jointed to the superstructure wherein the superstr... | 04/17/2007 |
| 7195126 | Self-propelled working machine In a self-traveling working machine such as a crane, a working attachment such as a boom is arranged to transversely extend below an operator's cabin in such a manner that part of the cabin overlaps the attachment, it being arranged that during crane operation, the ... | 03/27/2007 |
| 7070060 | Gantry crane with elevating operator cab A gantry crane has first and second side support frames spaced by a pair of trolley beams. A load 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 support fra... | 07/04/2006 |
| 7004337 | Foldable cab/pivot unit for a tower crane The cab/pivot unit comprises an upper mast element associated with a pivot, an access platform which extends horizontally at one side of the mast element, and a driver's cab mounted pivotably about a vertical axis located at the side of the mast element and linked t... | 02/28/2006 |
| 6920963 | Apparatus having vertically movable personnel cages for a spreader An apparatus for transporting people by a spreader having a vertically moveable head beam with a pair of horizontally extendable long bars includes a pair of personnel cages carried by a pair of cantilever beams extending from a housing. The personnel cages can be m... | 07/26/2005 |
| 6341705 | Crane vehicle A crane vehicle is provided with a four-point support comprising outer support members which extend transversely to a longitudinal axis of the vehicle frame and which are supported directly by the vehicle frame. Extendable inner support members are displa... | 01/29/2002 |
| 6193086 | Gantry crane with improved manually variable controls for movable components A crane is disclosed, with one or more moveable components. Manually-articulable controls (such as joysticks) are provided for controlling movement of the components. First, second, and third control circuits responsive to varied positions of the control ... | 02/27/2001 |
| 6138844 | Boom truck A boom truck is provided which has optimum operating and transport positions. In the operating position an operator's cab is mounted substantially centrally of the chassis of the boom truck, with the boom above the cab and pivotally mounted to the rear of... | 10/31/2000 |
| 6062403 | Variable elevating cabin Apparatus for the handling of truck trailers or transport containers and more particularly to an apparatus and method for a variable elevating cabin apparatus operable for controlled vertical movement within the framework of a gantry crane, wherein an ope... | 05/16/2000 |
| 6024232 | Boom truck A boom truck is provided which has optimum operating and transport positions. In the operating position an operator's cab is mounted substantially centrally of the chassis of the boom truck, with the boom above the cab and pivotally mounted to the rear of... | 02/15/2000 |
| 5826734 | Variable elevating cabin Apparatus for the handling of truck trailers or transport containers and more particularly to an apparatus and method for a variable elevating cabin apparatus operable for controlled vertical movement within the framework of a gantry crane, wherein an ope... | 10/27/1998 |
| 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 |
| 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 |
| 5400910 | Stabilizing mechanism for overhead crane hoist An overhead crane apparatus including a hoist supported on a trolley. The hoist includes a bottom block with a pair of horizontally extending first and second trunnions. The overhead crane apparatus also includes an automatic mechanism for releasably secu... | 03/28/1995 |
| 5213222 | Mobil crane A mobile crane comprising a chassis, which has at least two axles and on which a revolving superstructure is movably mounted by means of a slewing bearing consisting of an outer ring and an inner ring, a preferably telescopic boom, which is pivoted to the... | 05/25/1993 |
| 5186343 | Bridge crane with articulated rotary boom Bridge crane with articulated rotary boom, which includes a beam (13) that supports a boom (17) able to rotate in a substantially horizontal plane about a substantially vertical pivot (14), which is located substantially at the center of the span of the b... | 02/16/1993 |
| 5103738 | Transmission for movement along a track system A transmission for movement along a track system comprises a frame movably supported on the track system by guides mounted to the frame. At least one endless belt assembly comprising a pair of spaced endless belts engaging associated belt wheels is mounte... | 04/14/1992 |
| 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 |
| 4821845 | Traversing elevator A traversing elevator is provided comprising a cabin (1) moving over a supporting structure (3) astride a traffic way (9) and clearing an obstacle (12). Movement of the cabin is provided by means of roller trollys (17) and lower rollers (21) fixed to the ... | 04/18/1989 |
| 4776473 | Crane house A crane house includes an operator cabin mounted on the house, and an opening permitting access to the crane house from without for the purpose of minimizing the openings in a crane house of this kind, which is achieved by closing the access opening to th... | 10/11/1988 |
| 4749178 | Backstand threading device for paper sheeter A backstand threading device to be mounted on a paper sheeter to permit an operator to move the device and himself along the length of the paper sheeter to thread each of the plurality of webs moving through the paper sheeter.... | 06/07/1988 |
| 4732462 | Safety viewing apparatus for crane car A window is provided in the floor of the crane cab and a reflecting mirror is located in front of the operator which is positioned such that the operator can look through the window without leaving his seat. With the orientation of the mirror and window, ... | 03/22/1988 |
| 4653654 | Hydraulic crane aerial platform attachment An aerial platform attachment for a crane having an extensible boom including a basket pivotally suspended from the boom tip. A loop on the bucket is engaged by a projection secured to the boom when the bucket is pivoted adjacent the boom and the boom is ... | 03/31/1987 |
| 4635803 | Compact pedestal-mount crane A compact pedestal crane having a boom pivoted at a front edge of a main frame with a winch frame aligned with the boom and a plurality of winches mounted on the winch frame. An A-frame gantry is mounted on and extends above the winch frame and an engine ... | 01/13/1987 |
| 4576100 | Crane for nuclear waste handling facilities A crane for use in a nuclear waste handling facility is disclosed. The crane includes a bridge of sufficient transverse dimension to span the width of the area being serviced, a bridge drive for moving the bridge along spaced rails extending longitudinall... | 03/18/1986 |
| 4546852 | Adjustable service platform apparatus for a gantry crane An adjustable service platform apparatus for a gantry crane has an elongated base frame generally comforming in size and shape to a conventional load carrying lifting spreader, and twin service platform units secured to opposite lateral ends of the base f... | 10/15/1985 |
| 4508233 | Compact heavy duty lifting crane A Compact Heavy Duty Lifting Crane (CHDLC) for removing and installing heavy objects such as engines and transmission from vehicles. The CHDLC incorporates a feature that allows the vertical lifting angle of the telescoping boom (40) to remain constant as... | 04/02/1985 |
| 4505396 | Wheeled working vehicle with crane In a working vehicle including a crane (21) for handling loads and a driver's cab (11), both crane and cab are rotatably mounted on the vehicle, each about its vertical axis, and controlled such that a turning angle ଲ of the crane results in a turni... | 03/19/1985 |
| 4480757 | Collapsible frame support for pivotal boom on a portable crane A crane structure mounted on a transport vehicle, preferably a marine vessel, is disclosed. The crane structure includes a gantry structure mounted on a vertical tower structure and having boom portions protruding from the tower structure. Preferably, the... | 11/06/1984 |
| 4434901 | Safety apparatus for cranes Safety apparatus is disclosed for a crane including a crane body that rotatably swings about a substantially vertical axis about an undercarriage that moves on endless tracks. The crane body has opposed sides, a front end and back end, and a crane boom pr... | 03/06/1984 |
| 4376487 | Anti-sway, anti-rotation mechanism for crane reeving An anti-sway, anti-rotation mechanism for crane reeving comprises four spaced-apart overhead sheaves on an overhead support. A lifting beam assembly has four pairs of lifting beam sheaves. The pairs of lifting beam sheaves are spaced-apart from each other... | 03/15/1983 |
| 4360112 | Two-way extendable crane trolley A two-way horizontally extendable trolley 22 comprising a trolley frame 51 and wheels 52 for supporting trolley frame 51, a first horizontally elongated trailer frame 54 slidably mounted on frame 51, and a second horizontally elongated trailer frame 55 sl... | 11/23/1982 |
| 4273243 | Lift centering device This invention relates to a load centering device for use in combination with a crane system. The crane system has a cable winding unit with a cable having at least one end secured thereto. The cable supportably passes through a traveling block that inclu... | 06/16/1981 |
| 4254988 | Construction for isolating crane cab operator from cab movement A suspension for isolating the operator's seat in the cab of an overhead or gantry crane from various forces to which the cab is subjected including a base for mounting the seat, a plurality of cables for suspending the base from the frame of the cab to s... | 03/10/1981 |
| 4243147 | Three-dimensional lift A three-dimensional lift intended for use by a handicapped person, providing him with three dimensions of mobility within a room or rooms. The invention consists of uniform channels or rails secured in parallel configuration adjacent to or on a room ceili... | 01/06/1981 |
| 4216869 | Industrial crane An industrial crane has a chassis with a housing mounted on the chassis having a flat, horizontal deck with a central well providing access to a bearing for a rotatable upper works, the bearing being centered on the chassis. The upper works has a portion ... | 08/12/1980 |
| 4202453 | Articulated mine service vehicle A rugged maneuverable articulate mine service vehicle includes a power unit and a utility formed from welded steel plate, which units are interconnected by an articulated joint having a pivot axis and an axis of rotation. Each of the units has a pair of d... | 05/13/1980 |
| 4195741 | Truck mounted railroad crane hydraulic swivel means A hydraulic swivel assembly for crane boom means in a truck mounted railroad crane or the like is disclosed as including complementary fixed and rotating housing elements having fluid passageways capable of communicating with other fluid passageways for c... | 04/01/1980 |
| 4158414 | Crane device A crane device having a track supported main frame with a trolley rollable on the main frame at right angles to the direction of travel of the main frame and with a carriage rotatable on the trolley. The trolley may consist of a single load trolley or it ... | 06/19/1979 |
