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| Number | Title | Issue Date |
| 6442439 | Pendulation control system and method for rotary boom cranes A command shaping control system and method for rotary boom cranes provides a way to reduce payload pendulation caused by real-time input signals, from either operator command or automated crane maneuvers. The method can take input commands and can apply ... | 08/27/2002 |
| 6250485 | Boom articulation assembly for aerial boom sections A mobile aerial apparatus includes a lower boom and an upper boom and pivotally mounted to a pedestal. A lift cylinder pivots the lower boom. An articulated assembly includes a common pivot support secured to the articulated ends of the booms on a common ... | 06/26/2001 |
| 6042330 | Electrically actuated lifting and transferring apparatus An electrically actuated lifting and transferring apparatus for assisting in the mobility of disabled persons. The electrically actuated lifting and transferring apparatus has a mounting bracket, wherein the mounting bracket has a first support means; an ... | 03/28/2000 |
| 5836462 | Adjusting means Adjusting device for a hoisting crane including a work spindle, which is given an axial travel within a cylinder by a relative movement between a screw and a cooperating groove following a driving device. The work spindle has a free end, which is connecte... | 11/17/1998 |
| 5645180 | Floor mounted rotatable jib crane A jib gantry is disclosed which has a connection between the upper end of a mast and a horizontally extending boom which allows tilting adjustment, which is secured in any adjusted position. The boom is hollow and slotted so as to be fixed at any point al... | 07/08/1997 |
| 5390380 | Stabilised bed with hoist A bed having a lifting apparatus for raising and lowering an object, such as a person, onto and off the bed, and a stabilizing leg for stabilizing the bed against transverse tipping forced induced by the operation of the lifting apparatus. The lifting app... | 02/21/1995 |
| 5052566 | Engine hoist and support apparatus An apparatus including a central vertical support post, including a plurality of support legs orthogonally mounted to a lower end of the support post. The support post pivotally mounts a support boom at an upper end thereof, with a rear terminal end of th... | 10/01/1991 |
| 4572383 | Crane A crane is comprised a foundation, a supporting pole elongating vertically from the foundation, an arm capable of rotatably moving on a plane parallel with the supporting pole, and a winding drum mounted at the tip end portion of the arm, the arm consisti... | 02/25/1986 |
| 4529094 | Articulation for tower crane boom that has a parking position The inner end of a tower crane boom is connected to the top of its tower by two lugs fixed on the tower, each having an upwardly opening slot, and two trunnions fixed on the inner end portion of the boom, one for each lug, each rotatably seatable in the r... | 07/16/1985 |
| 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 |
| 4085853 | Construction of buildings or parts thereof A tractor-trailer combination is used in a method of constructing a building wherein the trailer has an elongated rectangular walled space (divided longitudinally into three spaces) for hauling walls, construction materials or mold parts to the building s... | 04/25/1978 |