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Class 212/225 - Having trolley thereon


Subclass of Class 212 - Traversing hoists
Definition: Apparatus comprising a bridge* or a boom* having
No. of patents: 35
Last issue date: 05/08/2007


NumberTitleIssue Date
7213717Telescopic boom
The within invention concerns a telescopic boom of a crane with a pivot section, telescopic sections that can telescope out of the pivot section, and a guying that has at least one guy stand housed to pivot on one of the sections, and at least one guy cable supporte...
05/08/2007
6845872System for lifting and moving an object
A system for lifting and moving an object includes a vertical post (2), having a transversal lifting arm (38) rotatably connected thereto for rotation about a vertical axis thereof. The vertical post includes a weight (5) acting as a piston conn...
01/25/2005
6276541Device for simultaneously unfolding or folding crane jib tip elements
The device applies to a tower crane jib comprising a succession of elements articulated one to the next, comprising at least two relatively long main elements, and two relatively short tip elements. Connecting members, particularly in the form of a link-r...
08/21/2001
6269944Channeled beam extruded of aluminum alloy for crane or conveyor
A beam extruded of aluminum alloy for use in cranes and conveyors is formed with a channel having runs that straddle an open bottom and are strengthened by pin receivers formed in C-shapes with material integrally extruded under the runs. An upper region ...
08/07/2001
6095349Knock-down hoist
A knock-down portable hoist comprising a first member attachable to a support member, the first member supported substantially vertically by the support member, a second member insertable into and rotatably substantially vertically by the first member, su...
08/01/2000
6082561Portable jib crane for panel trucks
Disclosed is a novel jib crane for panel trucks, or vans wherein the crane pivots along a common axis between opposing fixed bearing mounts. In practice, one attaches a lifting apparatus ratus to a trolley of the jib. A payload is hoisted off the floor of...
07/04/2000
5908122Sway control method and system for rotary cranes
Methods and apparatuses for reducing the oscillatory motion of rotary crane payloads during operator-commanded or computer-controlled maneuvers. An Input-shaping filter receives input signals from multiple operator input devices and converts them into out...
06/01/1999
5595313Crane, particularly a track-bound mobile crane
A crane for raising and lowering a load, which crane includes a vehicle frame with end areas and a slewing device arranged on the vehicle frame. The slewing device includes at least two basic slewing columns slewable by 360°, mounted on the vehicle frame...
01/21/1997
5429253Vehicle mounted lightweight pivoting hoist
A mounted, elevatable, lightweight pivotal boom is provided which defines an elongate internal track defining a downwardly facing slot. An electromechanical winch mechanism is provided for lifting and handling objects such as the windshield of an automoti...
07/04/1995
5391042Truck for carrying goods
A truck for unloading goods includes a lower supporting member carried by the truck frame. The support member together with its side walls may be moved forward and backward by a screw driven mechanism. The doors to open the side walls open in response to ...
02/21/1995
5372469Parcel cart for coil-shaped objects
A mobile cart for moving coil-shaped objects has a wheel-mounted horizontal base which supports an upwardly extending mast provided with a guideway along which a first support element is controllably movable up and down in a vertical direction above the b...
12/13/1994
5022543Positioning gear for moving a load suspended by at least one cable of a lifting system in the vertical direction
Positioning device to be incorporated as a controllable coupling element between a load and the cable of a hoisting apparatus. The element includes a hydraulic cylinder connected to a hydro-pneumatic transformer and to a hydro-pneumatic reservoir. The tra...
06/11/1991
5018933Device for transferring an invalid to and from an automobile
A device (10) for transferring an invalid includes a beam (11) comprised of two telescopically received tubes (12,13); a track (14), slidably engaged within said beam capable of supporting a rolling trolley (15) and connected winch (16) for providing a ve...
05/28/1991
4883184Cable arrangement and lifting platform for stabilized load lifting
The present invention is directed to a cable arrangement and lifting platform for lifting a load in a stabilized manner. The lifting platform secures loads to a securing device and the platform is able to be suspended from a crane by an attachment carriag...
11/28/1989
4778176Amusement apparatus
An amusement apparatus in which a player controls positioning of a pick-up device such as a mechanical grabber having moveable claws or pincers over a floor area on which prize objects are placed. The floor area is rotatable and the pick up device is atta...
10/18/1988
4772175Space station erectable manipulator placement system
An erectable manipulator placement system for use on a space station and comprising an elongate lattice-like boom having dual guide tracks attached to parallel chords thereof, a carriage-like dolly movable along said tracks, and a segmented maneuvering ar...
09/20/1988
4746485Rotating shielded crane system
A rotating, radiation shielded crane system for use in a high radiation test cell, comprises a radiation shielding wall, a cylindrical ceiling made of radiation shielding material and a rotatable crane disposed above the ceiling. The ceiling rests on an a...
05/24/1988
4667835Hydraulically operated cranes
A crane has a hollow substantially cylindrical load trolley supporting a girder and a support arrangement for the girder. A trolley track device is positioned on the outside of the hollow cylindrical girder for traversing a load along the girder means. A ...
05/26/1987
4648647Load handling apparatus
A long beam having designated forward and rearward ends includes a mounted load trolley for carrying and moving a load along a portion of its length, which beam is adapted for being carried aloft in a substantially horizontal attitude by a high lift crane...
03/10/1987
4632617Method and system for installing a layered vessel on location
A method and system for installing a layered vessel wherein the method includes the steps of constructing the bottom vessel head section in an inverted position mounting the bottom head section on the vessel foundation, erecting a generally cylindrical co...
12/30/1986
4602566Handling apparatus for suspended transfer of cargos, i.e. in particular a crane for loading and unloading containers
A handling apparatus adapted to be installed on a crane with a boom for loading and unloading materials comprises track device installed on the crane and at least two carrying devices suspended from the track device. The track device includes at least thr...
07/29/1986
4572383Crane
A crane is comprised a foundation, a supporting pole elongating vertically from the foundation, an arm capable of rotatably moving on a plane parallel with the supporting pole, and a winding drum mounted at the tip end portion of the arm, the arm consisti...
02/25/1986
4511048Jib crane system having a rotatable mast
A jib crane system comprising a horizontally extending load beam rigidly attached to the upper end of a vertically extending mast. The lower of the mast extends inside a hollow pipe and is rotatably associated with a base plate assembly or rotatably secur...
04/16/1985
4496277Lifting device and method
A lifting device and method of using the device is disclosed. The device and method may be used to stock a structure such as a high-rise building under construction or an off-shore gas or oil drilling rig. The device in the preferred embodiment contains a...
01/29/1985
4480757Collapsible 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
4473160Apparatus for lowering articles from a building
An apparatus for lowering articles from a building including a tower having a boom extending therefrom. A transfer carriage is slideably mounted on the boom and has a latching mechanism for engagement with an end plate on the boom. The carriage also has a...
09/25/1984
4392574Tower crane
A first cable portion runs from the crab over a pulley at the point of the jib point part to the winch on the foot part. A second cable portion runs from the crab over a pulley at the end lying on the pylon side, of the jib foot part, over a pulley mounte...
07/12/1983
4363411Hammerhead crane with plural shuttle trolleys, a load trolley and movable counterweight means
A hammerhead type of crane has a structural tower with opposed structural cantilevers extending horizontally therefrom and there is a horizontal track along which a load carrying trolley may move through the tower between limits near the outer ends of the...
12/14/1982
4343406Control apparatus for a distribution crane equipped with a cable bucket
The bucket lift of a distribution crane is controlled by a device which includes a single drum hoist. A second single drum hoist is used to shut the bucket by means of two cables routed on the two pulleys located on the tip of the boom. The movement of th...
08/10/1982
4303164Structure for damping the oscillation of building cranes
An apparatus for inhibiting the oscillation of a vertical crane or similar structure with a horizontal main jib supporting a load hoist apparatus. The main jib has a counter jib which supports a counterweight mass by a linkage system. The linkage system p...
12/01/1981
4181231Polar wye crane
A three point suspension crane for use on a circular track having the hoist machinery disposed on the crane at points proximate the engagement of the crane with the track....
01/01/1980
4180170Rotary tower crane for construction purposes with a distributor device for concrete
A rotary tower crane for construction purposes comprising a non-rotating mast, a boom mounted at the head of the mast by a rotary connection so as to be swingable about the mast axis, a lifting device on the boom consisting of a hoisting rope which can be...
12/25/1979
4099634Combined motor puller and stand
A combined motor puller and stand having a forked leg base, on rollers. A vertical column is hydraulically adjustable in height and the top of this column has a horizontal arm, with a roller carriage within the arm. Midway along the vertical column there ...
07/11/1978
4002243Jib crane
A jib crane supportable on a plurality of vertically spaced pairs of articulated joints disposed along first and second common axes laterally spaced apart and disposed parallel to each other to provide for horizontal swinging of the jib crane on both the ...
01/11/1977
3952836Construction hoist conveying system
A composite transfer device for conveying material used in the construction of high tower-like structures, from a loading position at the base of the structure to a working platform which is raised as building proceeds. The device includes portions giving...
04/27/1976
 
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