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| Number | Title | Issue Date |
| 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 |
| 5445282 | Transport means for transporting pieces three-dimensionally A transport means for transporting pieces three-dimensionally, wherein the sections belonging to a section pair (11, 12, 41, 42) are box-like; a traction member (141, 142 ; 161, 16 | 08/29/1995 |
| 5423438 | Crane with redundant hoist arrangement and method of using same The disclosure involves a crane having a main hoist drum and an auxiliary hoist drum for handling a load under normal and emergency (the latter actual or simulated) conditions, respectively. The latter condition involves a main hoist which is inoperative ... | 06/13/1995 |
| 5409123 | Cable guide for the trolley traveling winch of gantry cranes A cable guide for the trolley traveling winch on gantry cranes for container, general-cargo, and grab operation, with a land-side support and a water-side jib that can be tilted up, the necessary deflection rollers, tensioning devices, and at least one ca... | 04/25/1995 |
| 5350075 | Arrangement for controlling the direction of movement of a load hoist trolley The present invention relates to an arrangement for a load hoist comprising a load device supported by a lifting cable and a driver for driving the load device in a horizontal direction. The driver is arranged to be actuated by the movement of the lifting... | 09/27/1994 |
| 5337908 | Patient hoist Disclosed is a patient hoist for use in a room having a floor and at least one pair of parallel spaced walls at opposite sides of the floor. The hoist includes a frame having a pair of track beams and a pair of connecting beams, and a plurality of legs fo... | 08/16/1994 |
| 5314262 | Hoisting gear on the trolley of a container crane A hoisting arrangement for a trolley (1) of a container crane with two motor-driven cable drums (2a, 2b), with cable rollers (4a-4d) arranged on the roller traverse (5), and with hoisting cables (3a-3d) guided between the cable fixed points (8a-8d) and th... | 05/24/1994 |
| 5264067 | Adjustable length carriage compatible for use with differing spreading table widths and types A tool carriage includes a main beam along which a subcarriage carrying the tool travels and is supported above a supporting table by two end parts each associated with opposite ends of the main beam. The main beam has a length sufficient to straddle the ... | 11/23/1993 |
| 5158188 | Portable apparatus for moving a patient about a room An economical portable patient moving system is provided that can be simply and easily erected within a room to form a pipe frame on which is mounted a travelling bridge and hoist trolley allowing complete x,y movement throughout the room and lifting and ... | 10/27/1992 |
| 5088610 | Handling machine to be suspended from a lifting unit So as to avoid installing a heavy remote handling machine in a containment comprising a lifting unit, such as a travelling crane, the present invention proposes an autonomous remote handling machine (20) suitable for being suspended from the hook (b 16) o... | 02/18/1992 |
| 5072840 | Medical bed apparatus A medical bed apparatus is provided that has a body frame, a hoisting assembly and a hammock supported from the hoisting assembly by hanging strings. The body frame is positioned over a hospital bed or the like and a person is placed on the hammock. A pai... | 12/17/1991 |
| 5056671 | Apparatus and method for straightening crane rails A bridge crane for straightening a rail of a pair of rails along which the crane travels. First and second wheels of the crane are positioned at spaced apart locations along the length of the rail. A radially extending inside flange on the first wheel is ... | 10/15/1991 |
| 4858775 | Personnel trolley and elevator platform for a cargo container handling gantry crane A personnel trolley and elevator platform for a cargo container handling gantry crane wherein the gantry is comprised of outreach boom and inboard girder portions having trolley rails mounted thereon, the personnel trolley being mounted on the rails betwe... | 08/22/1989 |
| 4825769 | Rail assembly for use in a radioactive environment An improved rail assembly and method of construction thereof is disclosed herein that is particularly adapted for use with a crane trolley in a hot cell environment which is exposed to airborne and liquidborne radioactive contaminants. The rail assembly i... | 05/02/1989 |
| 4820101 | Automated in-process pipe storage and retrieval system An automated storage and retrieval system for use at a pipe manufacturing facility includes a computer and memory; a storage/retrieval crane operable in a storage yard; a plurality of containers, each being capable of containing material for storage and a... | 04/11/1989 |
| 4750429 | Transportation systems A transportation system, particularly for handling containers for transport by rail vehicles, lorries or ships, includes an elevated guideway comprising a plurality of spaced parallel longitudinal tracks connected by tranverse tracks which are movable alo... | 06/14/1988 |
| 4746485 | Rotating 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 |
| 4730743 | Hydraulically operated bridge crane A bridge-crane structure wherein major structural components to sustain loads imposed upon the span are also major functional components of hydraulically controlled hoist mechanism of the crane. Specifically, closed upper and lower elongate cylinders are ... | 03/15/1988 |
| 4717030 | Turbine building equipped with overhead traveling cranes A building for accomodating turbines and a generator in a power plant is equipped with overhead traveling cranes and constructed so that the overhead traveling cranes are arranged to travel in parallel with each other in a direction perpendicular to an ax... | 01/05/1988 |
| 4705180 | Suspended load positioning stabilizing system A wire rope or cable stabilizing system for applying a balancing force to a suspended load to maintain vertical movement of the load perpendicular to the surface upon which the load is to be placed. The balancing force is effected to balance the lateral l... | 11/10/1987 |
| 4685673 | Device for carrying the grab in slot machine cabinets In a slot machine having a cabinet in which a grab is suspended by means of a cable from a crab which can move in various directions, the grab being capable of picking up prizes from a surface over which the grab is suspended, a traveller travels on first... | 08/11/1987 |
| 4667835 | Hydraulically 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 |
| 4641757 | Circulating latch transport mechanism for overhead cranes A circulating latch transport mechanism is provided which is capable of moving freely in any direction across the under side of a horizontal array of parallel I-beams while remaining attached to this array. The transport mechanism is attached simultaneous... | 02/10/1987 |
| 4642017 | Automated in-process pipe storage and retrieval system An automated storage and retrieval system for use at a pipe manufacturing facility includes a computer and memory; a storage/retrieval crane operable in a storage yard; a plurality of containers, each being capable of containing material for storage and a... | 02/10/1987 |
| 4561551 | Propulsion means for hoisting systems The invention concerns a novel concept of "rail-less" propulsion of hoisting equipment, namely to provide two parallel rows of discrete, spaced, glidingly supporting points on which the end-beams of a crane or the like are adapted to slide, rather than by... | 12/31/1985 |
| 4553675 | Hydraulically operated cranes A hydraulically operated crane of either the jib or bridge type with the hoist block supported from a trolley movable along the support structure provided by the jib or bridge. The rope and sheave system to control the lifting and lowering of the hoist bl... | 11/19/1985 |
| 4534476 | Bridge crane A bridge crane for use in a shipboard environment consisting of a machinery arrying body having a bolt-on hoist rail. The ends of the machinery carrying body form trucks housing support wheels for suspending the crane from overhead rails. The traversing sy... | 08/13/1985 |
| 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 |
| 4289076 | Self aligning carrier head and truck assembly A carrier head which rides a rail is provided such that when connected by a load carrying member to a second carrier head on a second rail lateral movement is facilitated between the carriers to adjust for differences in distance between the rails. The ca... | 09/15/1981 |
| 4282978 | Bridge crane for the emplacement of elongate prefabricated members of structures spanning a multiplicity of spaced-apart supports Precast beams or slabs of an elongate structure such as a bridge, viaduct or overpass are emplaced on spaced-apart piers by a bridge crane which comprises a framework consisting of a pair of parallel trusses interconnected by end portals and long enough t... | 08/11/1981 |
| 4202064 | Unit for vertical and horizontal personal transport A coordinate-type hoist device for lifting a handicapped person and allowing the person to move throughout a room. The device consists of two fixed rails disposed parallel to each other and presumably near the ceiling of the room. Two transverse rails rid... | 05/13/1980 |
| 4161144 | Restraint means for overhead travelling crane An overhead travelling crane for a structure subject to oscillations resulting from earthquake shocks, comprises a bridge having flanged main wheels at opposite ends which are supported on a circular runway rail attached to the structure. Restraint means ... | 07/17/1979 |
| 4126232 | Electrical switchboard apparatus with integral traveling lifting mechanism Electrical switchboard apparatus includes a switchboard having a plurality of cells adapted to receive circuit interrupters and related electrical equipment, a weatherproof housing enclosing the switchboard and providing a maintenance area between the fro... | 11/21/1978 |
| 4125889 | Transportation arrangement with spotlight projectors for illuminating trunnions of a molten iron ladle A transportation arrangement with spotlight projectors for illuminating the trunnions of a molten iron ladle for viewing by an operator when engaging a hoisting hook with the trunnion of the ladle. A spotlight projector employs a very high pressure mercur... | 11/14/1978 |
| 4069921 | Overhead crane including a single failure proof hoist An overhead crane for use in handling critical loads and including a horizontally movable trolley on which is mounted a single failure proof hoist mechanism having alternative or redundant means for supporting the loads if structural failure occurs in the... | 01/24/1978 |
| 3973679 | Bridge crane with load cells for correlating the lift operation This disclosure relates to a method of and apparatus for lifting a load utilizing an existing bridge or gantry-type overhead crane in combination with a portable lifting beam or Strongback adapted to be lifted into position and partially supported by the ... | 08/10/1976 |
