"Flight by machines heavier than air is unpractical and insignificant, if not utterly impossible."
Simon Newcomb, astronomer ; Said in 1902, less than two years before the first flight at Kitty Hawk
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| Number | Title | Issue Date |
| 8172100 | Nacelle travelling crane The present invention relates to an overhead travelling crane (2) for a nacelle (1) of a wind turbine, said travelling crane comprising at least a first suspension beam (3); a second suspension beam (4), said suspension beams being arrang... | 05/08/2012 |
| 7918354 | Container lifter being able to lift two 40 feet containers The invention is a container lifter which is able to lift two 40 foot containers at a time. It includes two sets of the crane main lifting mechanisms with the wire rope winding systems being separate. Pulleys arranged at the crane upper frame cooperate with two lift... | 04/05/2011 |
| 7624883 | Crane trim, list, skew and snag protection system The present invention utilizes a hoist drum with a three different drum sections, two cylindrical and one tapered, upon which the different ends of a lifting cable simultaneously spool on and off of as a function of counterclockwise and clockwise cable spooling. Thi... | 12/01/2009 |
| 7552829 | 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 counterclockwise and clockwise cable spooling. This combination reduces the ... | 06/30/2009 |
| 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 counterclockwise and clockwise cable spooling. This combination reduces the ... | 03/10/2009 |
| 7093823 | Lifting unit A lifting unit, comprising a frame for supporting a motorized winch, at least one first tackle and one second tackle, the first tackle being interposed between the second tackle and the winch, each tackle being provided with two blocks, a fixed one and a movable one... | 08/22/2006 |
| 7073673 | Wire rope reeving support system for cargo container handling gantry cranes A wire rope reeving support system for a cargo container handling crane having a transport trolley mounted for reciprocation along a horizontal gantry thereof and having a wire rope load hoisting system for the transport trolley wherein a mechanism is provided mid s... | 07/11/2006 |
| 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 |
| 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 portion of the body frame for fixing the suspended load, a... | 05/07/2002 |
| 6250486 | Integrated balanced wire rope reeving system for cargo container handling cranes An Integrated Balanced Wire Rope Reeving System for Cargo Container Handling Cranes wherein the same ropes perform both load hoist and trolley traversing operations.... | 06/26/2001 |
| 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 the lower support structure from the upper support structu... | 10/03/2000 |
| 5425464 | Palletizing apparatus A palletizing apparatus has a horizontally displaceable carriage movable on a horizontal member of a frame. A counter-weight is received in one or each of a pair of uprights and is connected via a cogged belt to the lifting slider which is provided with a... | 06/20/1995 |
| 5421468 | Dockside container handling crane with high speed hoist system A high speed cable hoist system for conventional dockside container handling cranes of the type comprising a frame and a movable boom extending laterally therefrom. The high speed cable hoist includes a hoist cable speed enhancing system which comprises a... | 06/06/1995 |
| 5147051 | Hoisting device for individuals A hoisting device for individuals includes a hoisting band which can be elevated and lowered in the vertical direction. The hoisting device comprises an elongated bracket on which a driving device is attached. The driving device is arranged to displace a ... | 09/15/1992 |
| 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 able to be suspended from a crane by an attachment carriag... | 11/28/1989 |
| 4858855 | Autonomous onboard loading device for a cargo-aircraft The autonomous onboard device for loading a cargo-aircraft having a lateral door comprises hoisting means (10) movable between the exterior and the interior of the fuselage (F) of the aircraft along carrier and guide means (3,4,5), which comprise transver... | 08/22/1989 |
| 4730743 | Hydraulically operated bridge crane A bridge-crane structure wherein major structural components to sustain loads imposed upon the span are also major functional components of hydraulically controlled hoist mechanism of the crane. Specifically, closed upper and lower elongate cylinders are ... | 03/15/1988 |
| 4667835 | Hydraulically operated cranes A crane has a hollow substantially cylindrical load trolley supporting a girder and a support arrangement for the girder. A trolley track device is positioned on the outside of the hollow cylindrical girder for traversing a load along the girder means. A ... | 05/26/1987 |
| 4648647 | Load handling apparatus A long beam having designated forward and rearward ends includes a mounted load trolley for carrying and moving a load along a portion of its length, which beam is adapted for being carried aloft in a substantially horizontal attitude by a high lift crane... | 03/10/1987 |
| 4544070 | Sway control arrangement for hoist systems An apparatus for controlling sway and pendulous motion of suspended loads is disclosed which is particularly suited for embodiment in association with a mobile crane or similar hoist system. The arrangement includes stabilizing cables attached to a load l... | 10/01/1985 |
| 4531647 | Device for stopping the swinging movement of a load hung by a crane A device for stopping the swinging movement of a load hung by a crane. The crane includes a trolley mounted on an overhead girder of the crane with the trolley being capable of traveling back and forth on the overhead girder. A beam is pivotally supported... | 07/30/1985 |
| 4305513 | Slack cable sensing apparatus An apparatus is described for detecting a slack cable condition on material handling carriers, hoisting equipment and the like. The device is mounted adjacent the winch drum and is designed for disabling the operation of the winch when the load comes to r... | 12/15/1981 |
| 4279347 | Anti-sway load handling apparatus A load handling apparatus 10 having an anti-sway characteristic produced by suspending one end of a load bearing member 44 from a first trolley 38 which resists sway laterally along cross member 24 and the other end from a second trolley 54 which rides on... | 07/21/1981 |
| 4181231 | Polar wye crane A three point suspension crane for use on a circular track having the hoist machinery disposed on the crane at points proximate the engagement of the crane with the track.... | 01/01/1980 |
| 4106641 | Universal gantry crane A travelling gantry crane is mounted for movement along rails laid on the weather deck of a ship, but is adaptable for shore installations. Preferably two similar cranes are used in face-to-face arrangement and operable together as a unit for maximum lift... | 08/15/1978 |
| 4094493 | Gantry cranes A gantry crane and gantry crane reeving are provided having two pairs of drums on each side of said gantry, an upper sheave assembly on the gantry above each drum, each drum having a pair of independent cables reeving from the drum to said upper sheave as... | 06/13/1978 |
| 4027823 | Loading-unloading apparatus for a vehicle An apparatus for loading and unloading a transporter vehicle by which at least half the load is loaded or unloaded at a time comprises a travelling frame which is mounted to be moved by a travel drive device along rails provided on a fixed frame. The trav... | 06/07/1977 |
| 3999672 | Overrunning yoke self-loading carrier Apparatus for automatically picking up and transporting elongated loads having one end only raised above ground comprises a tractor-drawn trailer with an elevated bridge from which a pair of load supporting yokes is suspended. At least one of the yokes is... | 12/28/1976 |
| 3976202 | Balanced lifting beam A single beam traveling crane includes a trolley movable over the beam and a hoist block arrangement located on opposite sides of the trolley frame. The winch which controls the hoist block cable is mounted at one end of the beam rather than on the trolle... | 08/24/1976 |
| 3945503 | Crane with a variable center rope suspension system A variable centers rope suspension system for a gantry crane including a pair of trolleys mounted on the crane and interconnected by a frame which reciprocates the trolleys with respect to each other. The trolleys are moved synchronously along the gantry ... | 03/23/1976 |