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| Number | Title | Issue Date |
| 7014172 | Electric hoist The present invention is to provide an electric hoist using a suspended electric winch that maintains a horizontal posture in any cargo handling operation. A hoist in one aspect includes a winch including a drum axially connected to a drive shaft of a motor, a suspe... | 03/21/2006 |
| 6343702 | Crane apparatus A crane apparatus is disclosed. First traverser wire ropes are connected to a right connecting portion of a traverser, while second traverser wire ropes are connected to a left connecting portion of the traverser. First hoisting accessory wire ropes are p... | 02/05/2002 |
| 6250486 | Integrated balanced wire rope reeving system for cargo container handling cranes An Integrated Balanced Wire Rope Reeving System for Cargo Container Handling Cranes wherein the same ropes perform both load hoist and trolley traversing operations.... | 06/26/2001 |
| 6023862 | Control system for rope bucket A control system for a rope bucket, the rope bucket being designed for the hoisting and transfer of materials and adapted to be suspended from a hoist trolley transferable along an essentially horizontal travel path. The control system includes a hoist me... | 02/15/2000 |
| 5626247 | Procedure and apparatus for moving the main girder and trolley of a crane A procedure for moving the main girder (3) and trolley (2) of a crane uses a gantry part (6) with its bracing structures and a traversing machinery with traversing ropes (4), the traversing machinery being mounted in conjunction with the gantry part. Acco... | 05/06/1997 |
| 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 |
| 5062760 | Material handling system A three axis material handling system which is particularly adapted to load or unload cargo into or out of the cargo compartment of an enclosed van or trailer. The system is mounted adjacent to the roof of the cargo compartment and includes a so-called X-... | 11/05/1991 |
| 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 |
| 4400815 | Electrode aligning apparatus An apparatus for accurately aligning a replacement electrode with a working electrode. The replacement electrode is suspended from a trolley movable in two directions in a rectilinear pattern. The trolley is moved initially in a first direction into gener... | 08/23/1983 |
| 4256230 | Cantilever straddle carrier A straddle carrier for handling cargo containers is shown having a rectangular elevated frame with a trolley that travels back and forth over the area defined by the frame, a pair of forward support columns mounted on wheels that are located outward from ... | 03/17/1981 |
| 4181231 | Polar 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 |
| 3976202 | Balanced lifting beam A single beam traveling crane includes a trolley movable over the beam and a hoist block arrangement located on opposite sides of the trolley frame. The winch which controls the hoist block cable is mounted at one end of the beam rather than on the trolle... | 08/24/1976 |
| 3957164 | Wheelchair hoist and carrier An apparatus for quick attachment to and detachment from a wheelchair and which is capable of raising, lowering and conveying the wheelchair and an occupant thereof, whereby such a person may be conveyed into or out of an enclosure without leaving the whe... | 05/18/1976 |
