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7611022 |
Upper block
A crane having an upper block, a lower block, a drum, and two ropes. The upper block includes an equalizer having a yoke to which the ropes are connected. The connections between the ropes and the...
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7559429 |
Wire rope reeving system for twin lift cargo container handling
A single wire rope reeving system for a twin lift cargo container handling crane for hoisting and lowering a pair of containers in side-by-side relation independently or simultaneously.
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7558645 |
Overhead travelling carriage system
A height sensor 26 and an image recognizing section 28 are installed in a teaching unit 24 ; the height sensor 26 contacts a pin 30 a on a load port 4 to detect the height position of...
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7500575 |
Crane trim, list, skew and snag protection system
The present invention utilizes a hoist drum with a number of different diameter sections upon which the different ends of a lifting cable simultaneously spool on and off of as a function of...
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7497492 |
Hydraulic auxiliary hoist and crane control for high precision load positioning
A hoist for positioning a load ( 40 ) includes a plurality of lift cylinders ( 15 ), a plurality of position sensors, a plurality of electronically controlled valves, a user input device ( 22 ),...
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7494020 |
Lifting machinery of four reel differential type for two 40 feet container shore crane
The invention relates to a lifting machinery of four reel differential type for two 40 feet container shore crane comprising: motors, reductors, high speed brakes, reels and reel brakes; wherein at...
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7464823 |
Overhead travelling carriage
A platform 12 is supported by four belts 22 to 25 . Of the belts 22 to 25 , a pair of belts 24, 25 is attached to a pivoting arm 26 so that the pivoting arm 26 is pivotable around a...
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7461832 |
Twin lifting machinery for two 40 feet container shore crane
A twin lifting machinery for two 40 feet container shore crane is disclosed, comprising motors, high speed shaft brakes, two reductors, a plurality of multiple-project rope reels, and a plurality...
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7426423 |
Crane or excavator for handling a cable-suspended load provided with optimised motion guidance
The invention refers to a crane or excavator for the transaction of a load, which is carried by a load cable with a turning mechanism for the rotation of the crane or excavator, a seesaw mechanism...
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7416169 |
Hoisting-cable drive comprising a single bottom-hook block and two winches
The invention proposes a hoisting-cable drive for a mobile crane, which hoisting-cable drive uses a single bottom-hook block ( 15 ) instead of a known double bottom-hook block. However, to prevent...
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7392915 |
Method for controlling spreader in crane
The invention relates to a method for controlling swaying and swinging of a spreader in a crane and the load attached thereto, the crane comprising: a trolley, hoist gears, hoisting ropes, on which...
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7293670 |
Upper block
A crane having an upper block, a lower block, a drum, and two ropes. The upper block includes an equalizer having a yoke to which the ropes are connected. The connections between the ropes and the...
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7287740 |
Hoisting apparatus
A cable attachment assembly, a hoist and a transportation system using the cable attachment assembly. The cable attachment assembly including: a plate pivotable about a first axis; first and second...
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7267240 |
Method and device for maintaining a position of a load suspended from a lifting gear
In a method for maintaining a position of a load on a lifting gear, a position of a load, which is suspended from a trolley of a lifting gear via at least four cables, is determined and a swinging...
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7150367 |
Storage and retrieval unit
A storage and retrieval unit comprises a supporting carriage which is movable along a rack aisle on at least one substantially horizontal supporting rail by a drive. A vertically adjustable lifting...
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7137771 |
Method and device for recognition of a load on a lifting gear
In a method for recognition of the position of a load on a lifting gear, an active light source and a camera are mounted to a trolley of the lifting gear. Both, the light source and the camera are...
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7040496 |
Arrangement for placing crane mechanisms
The invention relates to an arrangement for placing crane mechanisms, the crane comprising lifting mechanisms ( 1 ) with lifting drums ( 2 ), lifting ropes ( 3 ) in the lifting drums, a lifting...
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6827334 |
Lifting arrangement for overhead traveling cranes
A lifting arrangement for overhead traveling cranes. The lifting arrangement includes two single reeved drums that are reeved together to provide true vertical lift of a load. The lifting...
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6752283 |
Rope hoist provided with traversing machinery
A rope hoist provided with traversing machinery, the rope hoist comprising a trolley ( 2 ), and in connection therewith a lifting gear ( 3 ), a lifting rope ( 4 ), rope pulleys ( 5 ) and traversing...
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6631300 |
Nonlinear active control of dynamical systems
A control system for reducing cargo pendulation. The control system calculates a correction factor and adds the correction factor for the operator input motions in addition to the motion of the...
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6439407 |
System for stabilizing and controlling a hoisted load
A system which can both be adapted to existing single point lift mechanisms, and constrain a hoisted load in all six degrees of freedom, includes a suspension point, an assembly, a lateral tension...
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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...
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6182843 |
Method for the target path correction of a load carrier and load transport apparatus
For the positional correction of a load carrier (34) suspended on a trolley (22) a cable member (50') of the lifting cable system interposed between the trolley (22) and the load carrier (34) is...
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6145680 |
Apparatus for reducing overload and dampening collision energy
The invention relates to an apparatus for reducing overload and dampening collision energy, for instance, in connection with a container crane, the apparatus comprising a movable bar (16) to...
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6126023 |
Crane with improved reeving arrangement
A crane arranged through its reeving system to manoeuver a load. The crane includes an upper support structure, a lower support structure arranged to carry a load and six reeving cables suspending...
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6102372 |
Rope arrangement for the suspension of attachment means at a carrying device arranged above it
A rope arrangement having carrying ropes guided downward in pairs at four corner points of an imaginary four-cornered shape at a carrying device. One of the carrying ropes extends from one of the...
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6053478 |
Wafer hoist with self-aligning bands
A hoist system including a roller assembly which is allowed to pivot as a suspending member is rolled up around a drum compensates for lateral forces and allows a load on the suspending member to...
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6021911 |
Grappler sway stabilizing system for a gantry crane
A sway stabilizing system is provided for stabilizing sway of a grappler suspended by vertically movable hoisting cables on a gantry crane. The crane is a type which is particularly useful for...
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5909817 |
Method and apparatus for controlling and operating a container crane or other similar cranes
The crane comprises a generally horizontal boom or other supporting structure having at least one rail thereon, a trolley having a reversible drive for moving the trolley in either direction along...
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5806696 |
Method and equipment for controlling the operations of a crane
A method for controlling the motion of a crane lifting carriage, or trolley, a load suspended from it, a swing damping system, and/or an operator control cab whereby an ideal sequence of...
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5803278 |
Overhead traveling carriage
An overhead travelling carriage is provided wherein three drums are arranged on a base of a hoist unit along the sides of an imaginary equilateral triangle. Two motors and a brake are arranged...
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5769250 |
Method and apparatus for controlling the loading element and load of a crane
A method and apparatus for controlling a loading element suspended from lifting drums of a crane by lifting ropes, and a load attached to the loading element. The controlling referring to damping...
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5673804 |
Hoist system having triangular tension members
A hoist system having triangular suspension bands minimizes sway and twisting during the lifting of a payload. The system includes three depending retractable and extensible triangular tension...
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5603420 |
Method for using a two-drum crane for raising or lowering a load
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...
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5597080 |
Snag load protection system for a crane
A snag load protection system for a train including a guide frame, a sheave housing slidably received within the guide frame, and a hydraulic cylinder connected to the guide frame and to the sheave...
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5579931 |
Liftcrane with synchronous rope operation
An improved method and system for a liftcrane in which a load is lifted through the combined action of first and second hoist drums. The method and system use a first rope wound on one hoist drum...
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5368124 |
Device suspending a working cage
A device for suspending a working cage includes an arm, a swivel arm mounted rotatably horizontally to the end portion of the arm, a first sheave mounted rotatably horizontally to the arm at a...
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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...
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5314082 |
Sensing device for indicating improper orientation of a hoist lifting line
An overhead crane comprising a frame, a hoist mounted on the frame, the hoist including a lifting rope, and a device for detecting a side pull condition of the lifting rope.
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5257891 |
Bi-planar cable cross reeving system
A crane and lift apparatus for controlling the lifting and lowering of large cargo containers. A trolley assembly includes a hoist drum from which is suspended a system of cable or rope reevings...
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5253771 |
Counter-balanced, multiple cable construction crane
The invention is a counter-balanced, multiple cable construction crane. The apparatus for hoisting payloads comprises a crane having a lifting segment and a counter-balanced segment. The lifting...
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5186342 |
Integrated passive sway arrest system for cargo container handling cranes
A passive sway arrest system for dockside cargo container handling cranes which includes mounting on the load-carrying trolley a pivotable platform which oscillates when a load being carried by the...
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5150799 |
Anti-sway reeving system
A reeving apparatus for a crane having an overhead frame, a lifting beam subject to swaying forces, and a winding drum mounted on the frame for raising and lowering the lifting beam. First, second,...
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5114025 |
Swivel for use in cranes and the like
A swivel for use in a crane has a stationary upper member which is secured to the boom and a lower member which is rotatable relative to the upper member and is connected with the end of the cable....
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5022543 |
Positioning 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...
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5018631 |
Hoist device for a load hanging on hoist ropes, in particular a container-crane
A container is suspended from four hoist ropes. One end of each rope is wound on a drum to be driven in either direction to hoist or lower the container. The second end of each rope is connected to...
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4953721 |
Anti-sway crane reeving apparatus
An anti-sway crane reeving apparatus is disclosed in which a reeving apparatus is connected between an overhead frame carried by a crane, a winding drum mounted on the frame, and a lifting beam...
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4932541 |
Stabilized shipboard crane
The invention is directed to a stablilized cargo-handling system using means for stabilizing suspended cargo in all six degrees of freedom using six individually controlled cable in tension in a...
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4905848 |
Coordinated hoist controllers
A control arrangement for a multiple hoist suspension system in which a count is maintained for the pulley turns on each hoist. When the pulley counts approach within a selected deadband, the...
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4883184 |
Cable 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...
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