Quotables
"It is my heart-warmed and world-embracing Christmas hope and aspiration that all of us, the high, the low, the rich, the poor, the admired, the despised, the loved, the hated, the civilized, the savage (every man and brother of us all throughout the whole earth), may eventually be gathered together in a heaven of everlasting rest and peace and bliss, except the inventor of the telephone. "
Mark Twain ; Christmas greetings, 1890
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| Number | Title | Issue Date |
| 7735662 | 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 yoke include load cells that measure the forces carried by each of th... | 06/15/2010 |
| 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 yoke include load cells that measure the forces carried by each of th... | 11/03/2009 |
| 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 for the erection or incline of an extension arm and a hoisting gear f... | 09/16/2008 |
| 7415783 | Boom support strand oscillation dampening mechanism An apparatus including a main housing including a generally horizontal platform, a boom extending from the platform, a bucket suspended from the boom, and a mast extending from the platform. The apparatus further includes a boom support strand extending between and ... | 08/26/2008 |
| 7395940 | Method of operating a crane The present disclosure relates to a method of operating a crane whose safe working load depends on one or more changeable parameters, with the change of at least one of the parameters being made such that the speed of the parameter change is reduced continuously or ... | 07/08/2008 |
| 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 yoke include load cells that measure the forces carried by each of th... | 11/13/2007 |
| 7289875 | Systems and methods for sway control Systems, methods and computer program code for the measurement and control of sway in load transportation systems are provided which include using Micro-Electro-Mechanical Systems (MEMS) devices to measure and control the sway of suspended loads such as loads suspen... | 10/30/2007 |
| 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 motion of the load is counteracted by selectively adjusting the lengt... | 09/11/2007 |
| 7252299 | Steering system for crane A steering system (10) for a vehicle, such as a gantry crane (12). The gantry crane (12) generally includes a support structure (14) having a first front wheel (32) and a second opposing front wheel (36) connected proximate ... | 08/07/2007 |
| 7249924 | Rack serving unit A rack serving unit comprises a carriage which may be moved along a rack aisle on substantially horizontal carrying rails. Carried along by the carriage there is a lifting platform which is suspended on the carriage by way of at least two traction mechanisms, prefer... | 07/31/2007 |
| 7168724 | Steering system for crane A steering system (10) for a vehicle, such as a gantry crane (12). The gantry crane (12) generally includes a support structure (14) having a first front wheel (32) and a second opposing front wheel (36) connected proximate ... | 01/30/2007 |
| 7150366 | Hanger chain anti-sway device for gantry crane A sway dampener is provided for reducing sway motion of a gantry crane spreader that is suspended from hanger chains. The sway dampener is configured to resist motion of the hanger chain relative to the spreader, thereby retarding sway. The dampener includes first a... | 12/19/2006 |
| 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 trolley (4), a loading element (5) suspende... | 05/09/2006 |
| 7040552 | Suspended boom with gauge members An applicator boom apparatus comprises an applicator boom extending laterally from a vehicle, and pivotally attached to the vehicle such that the boom can pivot up and down with respect to the vehicle. A kit provides a gauge member adapted to ride along a surface of... | 05/09/2006 |
| 7028988 | Cable handling system A system or apparatus and method for retrieving cable from water during marine operations is provided that reduces damage to the cable from pulling forces during the retrieval. A pulling device distributes the forces and stresses all along the cable components. In o... | 04/18/2006 |
| 7026780 | Method for stabilizing the movement of an articulated chain of a chain block, especially to prevent the formation of a resonance oscillation of the chain, and a chain block apparatus The invention concerns a method for stabilizing the motion of an articulated chain of a chain block, especially to prevent the formation of resonance oscillation of the chain, in which an articulated chain is led across a polygonal chain wheel with non-uniform pitch... | 04/11/2006 |
| 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 |
| 6994223 | Diagnostic readout for operation of a crane A programmable control system for a crane that senses a hydraulic pressure of the lift mechanism, and controls the movements of the crane apparatus as a function of the magnitude of the hydraulic pressure. As the status conditions of the crane change, sense switches... | 02/07/2006 |
| 6968963 | Grappler control system for a gantry crane A system and process are provided for controlling motion of a grappler of a gantry crane to avoid damaging an object to be lifted. In an embodiment, a speed of grappler movement is automatically reduced when in close proximity to the object. Furthermore, the grapple... | 11/29/2005 |
| 6631816 | Hoist Drums each having an independent drive source is installed on a trolley and each of the drums has a lifting rope which is wound around it and has an unwound end locked on a suspension piece, which will suppress any need to design the lifting rope in longe... | 10/14/2003 |
| 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 platform in order to provide a reference position of the susp... | 10/07/2003 |
| 6553278 | Method for guiding a boom and a system for guiding a boom The invention relates to a method for guiding the boom (3) of a working machine in connection with the handling of a load, in which method the movements of the load are controlled by means of a control signal formed by at least one control means (9), one ... | 04/22/2003 |
| 6496765 | Control system and method for payload control in mobile platform cranes A crane control system and method provides a way to generate crane commands responsive to a desired payload motion to achieve substantially pendulation-free actual payload motion. The control system and method apply a motion compensator to maintain a payl... | 12/17/2002 |
| 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 lines member, and a control system. The assembly includes ... | 08/27/2002 |
| 6234332 | Swaying hoisted load-piece damping control apparatus A transverse trolley 11 is transversally movable on a crane girder. A driver is provided for the transverse trolley 11. A pair of sheave blocks 14, 15 which is movable relative to a transverse trolley 11 are disposed on both (right and left) sides of a tr... | 05/22/2001 |
| 6182844 | Swaying hoisted load-piece damping control apparatus A transverse trolley 11 is transversally movable on a crane girder. A driver is provided for the transverse trolley 11. A pair of sheave blocks 14, 15 which is movable relative to a transverse trolley 11 are disposed on both (right and left) sides of a tr... | 02/06/2001 |
| 6135301 | Swaying hoisted load-piece damping control apparatus A transverse trolley (11) is transversally movable on a crane girder. A driver is provided for the transverse trolley (11). A pair of sheave blocks (14, 15) which is movable relative to a transverse trolley (11) are disposed on both (right and left) sides... | 10/24/2000 |
| 6053419 | Velocity damping system A self-centering boom for self-propelled agricultural sprayers having a double-acting hydraulic cylinder and a magnetically actuated electrical position sensor and control for sensing and moving the boom to a centered position. The electro-hydraulic contr... | 04/25/2000 |
| 5961563 | Anti-sway control for rotating boom cranes A process for anti-sway control of a rotating boom or other three-degree-of-freedom crane wherein the load is hoisted, at variable hoist lengths, by a cable suspended from a point that can be moved in space in three dimensions, either freely, or under kno... | 10/05/1999 |
| 5887390 | Boom swing control device and assembly A boom swing control device for controlling boom swing relative to a frame. Booms may be supported relative to a frame for application of material over a wide area. During an application process, the booms are subjected to various external forces which ca... | 03/30/1999 |
| 5811945 | Traveling gear with oscillation damping A travel drive for a trolley traveling gear of hoists has a drive train which has the properties of a freewheel as regards the direction of travel. Consequently load oscillation can be rapidly damped out because the speed of the traveling gear is not forc... | 09/22/1998 |
| 5603598 | Guide chute for cargo container handling cranes A method and apparatus for elimination of residual sway in a cargo container handling gantry crane for reducing container handling cycle times.... | 02/18/1997 |
| 5570986 | Cargo container transfer system for cranes A method and apparatus for cargo container transfer in a cargo container handling gantry crane for reducing container handling cycle times.... | 11/05/1996 |
| 5550733 | Velocity control method for preventing oscillations in crane A method for removing the oscillation and reducing the position error of a load carried by an industrial crane comprising: a non-oscillation control algorithm which provides the trolley and load system with sufficient damping in order to remove the oscill... | 08/27/1996 |
| 5432423 | Electronic damping system An electronic damping system is disclosed which dampens mechanical resonant vibrations of a gantry beam end. The system includes a secondary velocity feedback loop in addition to the main servo motor-tach velocity loop. The resonant velocity of the beam i... | 07/11/1995 |
| 4834249 | Oscillation suppressor for self-leveling boom In a vehicle provided with a boom assembly that extends laterally therefrom during use, a self-leveling mount for said assembly employs a swinging linkage having dampening device incorporated into the pivotal connections of the linkage to suppress side-to... | 05/30/1989 |
| 4815614 | Control system for a crane The invention relates to a system for controlling the boom of a hydraulic crane, in particular, the crane being provided with at least one load sensor on the basis of which the speed of the boom is controlled so that the greatest permissible speed of the ... | 03/28/1989 |
| 4724970 | Compensating device for a crane hook A compensating device for avoiding swell-generated relative movements between a load suspended on a crane and a load placing surface, or between a crane hook and a load to be carried thereby, the compensating device comprises a hydraulic cylinder-piston u... | 02/16/1988 |
| 4630542 | Nacelle The nacelle (3) is characterized in that it includes at least one cable (6) having a top end that leaves the nacelle upwardly and a bottom end that leaves the nacelle downwardly, and a mechanism (11) enabling the nacelle to move up and down the cable when... | 12/23/1986 |
| 4573592 | Means to reduce oscillatory deflection of vehicle A rough terrain vehicle comprises a vehicle chassis, resilient terrain-engaging wheel assemblies connected to the chassis and enabling vertical and angular deflection of the chassis relative to the terrain during vehicle movement, a telescopic crane boom ... | 03/04/1986 |
