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| Number | Title | Issue Date |
| 7798344 | Tarping system An apparatus is provided for tarping a cargo loaded on a flat bed vehicle which includes a pair of ruggedly constructed double scissors linkages carried by an overhead horizontal traveling trolley and connectable at their lower ends to the tarpaulin. A vertically ad... | 09/21/2010 |
| 7234400 | Crane trolley with low overall height A crane trolley, especially a single-rail trolley with a short overall height, with a traveling mechanism frame (2) having a hoisting mechanism (1), which can travel by running wheels (3, 3a) on a rail, especially a lower flange (4... | 06/26/2007 |
| 7070061 | System for controlling movements of a load lifting device The invention relates to a system for controlling movements of a load lifting device on a horizontal plane whereby the load lifting device (6) comprises a vertically oriented carrier element (14). The vertical orientation of said carrier element is at ... | 07/04/2006 |
| 7043337 | Methods and apparatus for eliminating instability in intelligent assist devices Methods and apparatus for eliminating instability in intelligent assist devices are disclosed. The intelligent assist device includes an overhead motorized moveable trolley, a support that extends downwardly from the trolley to a payload, and a sensor operatively co... | 05/09/2006 |
| 7028856 | Crane control apparatus and method This crane control apparatus and method with swing control and variable impedance is intended for use with overhead cranes where a line suspended from a moveable hoist suspends a load. It is responsive to operator force applied to the load and uses a control strateg... | 04/18/2006 |
| 6840393 | Crane assembly A crane assembly has a bracket, a supporting plate, a crane device, a chain and a chain bag. The bracket has two side plates with wheels connected with each other. Each side plate has a first recess defined in the bottom of the side plate to make the side plate have... | 01/11/2005 |
| 6811202 | Apparatus for covering payloads An apparatus for covering objects, particularly payloads being shipped on flat bed trailers. The apparatus has a slidable hoist connected to a track suspended over a payload. The hoist has a retractable line which is connected to a spreader bar that can be connected... | 11/02/2004 |
| 6796447 | Crane control system This crane control system with swing control and variable impedance is intended for use with overhead cranes where a line suspended from a moveable hoist suspends a load. It is responsive to operator force applied to the load and uses a control strategy based on est... | 09/28/2004 |
| 6672466 | Transportation systems and methods A transportation system for transporting a load into and out of a serviced area. The transportation system comprises near and far support lines and a cross support line suspended from the near and far support lines. A trolley assembly traverses the cross ... | 01/06/2004 |
| 6575317 | Pendant-responsive crane control This pendant responsive crane control system has a sensor pendulum arranged above a hoist for the crane and a load sensor for determining the load lifted by the hoist. The sensor pendulum serves as a swinging link between the hoist and a crane drive for m... | 06/10/2003 |
| 6564954 | Rope hoist with elastic frame In a rope hoist (9), the rope drum (17) is rotatably mounted in a roughly C-shaped frame (13). To mount the rope drum (17), an appropriate bearing arrangement 37) is provided at one side, whereas at the other side the mounting of the rope drum (17) is eff... | 05/20/2003 |
| 6502709 | Apparatus for tarping flatbed trailers A drive-through work station with power operated tarping equipment is provided to efficiently and safely apply tarpaulin covers to payloads on flatbed highway trailers. The work station may include a work platform at one or both sides of the trailer being... | 01/07/2003 |
| 5634407 | Transport cableway The transport cableway for transporting heavy loads includes a motor-driven cable winch fixed on a pivotable stirrup. The pivotable stirrup is pivotable relative to a part rigidly connected with a housing containing the drive motor and the hydraulic drive... | 06/03/1997 |
| 5103738 | Transmission for movement along a track system A transmission for movement along a track system comprises a frame movably supported on the track system by guides mounted to the frame. At least one endless belt assembly comprising a pair of spaced endless belts engaging associated belt wheels is mounte... | 04/14/1992 |
| 4752011 | Rail mounted cranes A crane comprising: an elongated support structure arranged to extend generally horizontally during crane operation; a crane chassis; at least one mounting assembly mounting the chassis at least substantially on the top of the support structure for moveme... | 06/21/1988 |
| 4717029 | Crane control method In a control method of a crane in which a parcel suspended by a rope is laterally transported by a trolley, the accelerating time and decelerating time of the trolley are obtained on the basis of the mass of trolley, mass of suspended parcel including a s... | 01/05/1988 |
| 4668154 | Attachment apparatus for crane or the like An attachment apparatus is arranged to be suspended from an overhead travelling crane or other similar means and is employed for a cargo handling operation, for example, unloading an article placed on a shelf or rack. The attachment apparatus includes a f... | 05/26/1987 |
| 4603783 | Device on hoisting machinery for automatic control of the movement of the load carrier In a device on hoisting machinery for automatically controlling the movem of a load carrier and for steadying the pendulum-type motion of a load suspended from the load carrier, a signal transmitter is provided for controlling the movement of the load ca... | 08/05/1986 |
| 4529066 | Safety brake for mast-type crane In a mast crane wherein a tension member controls the position of a carriage along an upright guide rail, the tension member is connected with a load transmitting element against which an abutment on the carriage bears down under carriage weight. A brake ... | 07/16/1985 |
| 4523887 | Stacker crane for narrow aisles In a stacker crane having a trolley comprising a turntable rotatable about a vertical axis, a mast projecting down from the turntable for rotation and horizontal motion with it, and a load supporting device vertically positionable along the mast, the mast... | 06/18/1985 |
| 4156367 | Linear-displacement module for automatic machines A device for moving a robot or automatic machine having a first carriage movable along parallel rails in a direction X'OX and supporting a second carriage movable in a direction Y'OY perpendicular to the direction X'OX, along rails supported by said first... | 05/29/1979 |
| 3993202 | Storage system with adjustable interconnected crane towers A storage facility with spaced apart shelf frames has a two tower crane between respective two frames which are spaced by about a container width. Each tower of the crane has a motor driven carriage and an up and down moving elevator with laterally extens... | 11/23/1976 |
