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| Number | Title | Issue Date |
| 7381024 | LPG tank insertion apparatus for automobiles An LPG tank insertion apparatus for automobiles includes a rotary column with a lift body, a support arm mounted to the lift body, an actuating cylinder hingedly connected to the support arm, and a kingpin connected to the support arm. The actuating cylinder and the... | 06/03/2008 |
| 7367463 | Self-traveling working machine In a self-traveling working machine such as a crane, a working attachment such as a boom is arranged to transversely extend below an operator's cabin in such a manner that part of the cabin overlaps the attachment, it being arranged that during crane operation, the ... | 05/06/2008 |
| 6540095 | Pipe-laying vehicle The pipe-laying vehicle 1 includes a lower vehicle body 2, a driver's cab, and a jib 10 which is supported on the lower vehicle body 2, can be raised and lowered about a horizontal axis 11, and can be swivelled about a vertical pivot axis by a live ring. ... | 04/01/2003 |
| 6517131 | Suspended load rotary device A unit (10) having a boom (12) and rotary device (14). The rotary device includes a first bracket (22), a second bracket (24) movably mounted to the first bracket and a third bracket (54) connected to the second bracket by a driven shaft (34). A motor (40... | 02/11/2003 |
| 5348439 | Portable unloading device A truck has been adapted to receive the unloading device of the present invention. The unloading device includes a removable rotatable jib frame which is mounted on the partition walls of the truck. An elongated hollow lever arm member is attached to the ... | 09/20/1994 |
| 5100278 | Railroad locomotive crane boom apparatus An improved locomotive crane boom generally indicated at 10 has of a first member 11, second member 12, and third member 13 each pivotally connected at various pivot points to one another and to locomotive crane 14. A series of pistons and cylinders, 19, ... | 03/31/1992 |
| 4684031 | Material hoisting gin A material hoisting gin has a support beam which pivots atop a mounting bracket which may be releasably attached to an upright pole. A bar for supportably engaging a load is suspended from the beam in a manner which enables the bar to be raised so that it... | 08/04/1987 |
| 4659276 | Load-handling apparatus for a vehicle A load handling apparatus for a vehicle has a mounting frame with a mast movable between a lowered travelling position and a raised working position. A boom carrier on the mast pivotally supports an articulated boom, which has a winch at its distal end. T... | 04/21/1987 |
| 4505397 | Apparatus for hoisting materials and placing concrete An apparatus for hoisting materials and placing concrete, having a non-rotating mast and a boom which is swingable horizontally and vertically, and consists of boom segments pin-jointed together in line so as to be foldable only downwardly. A line of conc... | 03/19/1985 |
| 4418791 | Device for enhancing the versatility of cranes or the like The free end portion of the boom of a crane carries a separable pivot bearing defining a horizontal pivot axis for a second bearing which reciprocably guides an upright column for one or more galleries. When the cable which is used to lift or hold the col... | 12/06/1983 |
| 4404986 | Take up system for long lengths of high pressure hose A system for taking up the slack in two flexible resilient hoses of a high pressure system, for alternately supplying fluid under high pressure from a fixed source to, and exhausting it from, a double-acting fluid motor movable relative to the source, inc... | 09/20/1983 |
| 4274793 | Working platform The boom of a crane carries a pivot bearing for a second bearing which guides an elongated column. The upper or the lower end of the column supports a gallery which is turnable about its axis. The second bearing is pivotable about the horizontal axis of t... | 06/23/1981 |
| 4257493 | Hoisting system A hoisting system for use in elevating personnel or other materials preferably within a mine, or other low level installations, incorporating a capsule which is suspended by a singular cable that is fed out from a winding drum, a tension weight suspended ... | 03/24/1981 |
| 4232792 | Crane A remotely controlled rotatable crane for loading logs on a live deck. The crane includes a carriage having a horizontal bed rotatable on a circular track about a verticle axis, the bed carrying a truss assembly extending upwardly and radially outwardly f... | 11/11/1980 |
| 3967736 | Boom control system A boom is disclosed comprising a pivotable structure including an upright support having wheels rotably supported on a rail and a truss supported above the rail by the upright support. A grapple is suspended from the truss and a winch mounted to the pivot... | 07/06/1976 |
