Did You Know...
...that Thomas Edison's patent application on his phonograph was approved by the Patent Office in just seven weeks? In contrast, it took Gordon Gould, the inventor of the laser, 30 years to obtain his patent -- finally awarded in 1988!
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| Number | Title | Issue Date |
| 7497492 | Hydraulic auxiliary hoist and crane control for high precision load positioning A hoist for positioning a load (40) includes a plurality of lift cylinders (15), a plurality of position sensors, a plurality of electronically controlled valves, a user input device (22), and a hoist controller (20). Each of the hydrauli... | 03/03/2009 |
| 7396058 | Balancing apparatus An apparatus comprises a frame, a counterweight connected to the frame, a load attachment member connected to the frame, a movable pick point mounted on the frame, and a pick point position adjuster for moving the pick point to balance a load supported by the load a... | 07/08/2008 |
| 7255204 | Apparatus for moving elevator equipment An apparatus for moving elevator equipment, particularly an elevator car when stuck in a shaft, comprises a suspension point which is connected to the elevator equipment by an adjustable-height connection. Contrary to the prior art, the suspension point includes a l... | 08/14/2007 |
| 7229109 | Hoist for construction material A hoist for construction sites, for carrying loads suspended from a crane. The hoist is C shaped, suspended at its top arm by a cable of a crane. The bottom arm carries a hook, typically vertically movable, for lifting and moving loads about in the construction site... | 06/12/2007 |
| 7040680 | Load handling device In a load handling device for use with a load having a lifting attachment, the lifting attachment being so attached to the load that, when the load is suspended by the lifting attachment, the load is free to pivot relative to the lifting attachment about at least on... | 05/09/2006 |
| 7017963 | Counter weighted lifting beam A counterbalanced lifting beam designed to lift and permit balancing of heavy loads. The lifting beam includes an internal counterweight that is adapted to be hydraulically adjusted by use of a manually operated control mechanism. The lifting beam also includes a ri... | 03/28/2006 |
| 6733058 | Winding roll lifting device with adjustable supporting arm and chuck member A winding roll lifting device is provided in which the base end side of a supporting arm (5), having a tip side installed rotatably on a hook part (34) of the lifting device (1), is installed on the upper side of a main body (2), and a ba... | 05/11/2004 |
| 6716018 | Pelletizer knife hub transport mechanism A mechanism for transporting a hub is provided. Particularly, a transport mechanism for a pelletizer knife hub is disclosed. The mechanism comprises a clamp for selectively engaging and releasing the shaft of the pelletizer knife hub. The clamp is connected to a sup... | 04/06/2004 |
| 6619711 | Device to automatically attach a bobbin-bearing shaft to a mandrel of a machine Device to automatically attach a first bobbin-bearing mandrel (11) to a second mandrel (15) of a machine, wherein the first mandrel (11) and the second mandrel (15) have substantially the same outer diameter and are suitable to be inserted selectively int... | 09/16/2003 |
| 6578892 | Articulated lifting devices for lifting objects under overhangs Articulated lifting device includes a generally orthogonal support frame having a forwardly extending adjustable lifting arm inserted through a sleeve at the top end of a downwardly extending telescopic leg, a plurality of interchangeable load adapters ha... | 06/17/2003 |
| 6502878 | Lifting device for layers of tray stacks A lifting device comprising: a substantially horizontally extending support forming a support surface, comprising at least two support elements, such as, for instance, two prongs of a fork, for supporting a stack, a lifting member, movably connected to th... | 01/07/2003 |
| 6499779 | Crane gear for the transport of web rolls A crane gear for the transport of web rolls with a winding core, provided with a passage hole, exhibits a support frame, which is attached to a cable and which is provided with receiving units. The support frame comprises an upper yoke carrier with legs, ... | 12/31/2002 |
| 6416099 | Lifting tool for automatic centering and 180 degree rotation A tool for lifting and rotating an object having a center of gravity is provided. The tool includes a first rail, which is adapted to be coupled to a first end of the object, and a second rail, which is adapted to be coupled to a second end of the object.... | 07/09/2002 |
| 6402213 | Device to automatically attach a bobbin-bearing shaft to a mandrel of a machine Device to automatically attach a first bobbin-bearing mandrel (11) to a second mandrel (15) of a machine, wherein the first mandrel (11) and the second mandrel (15) have substantially the same outer diameter and are suitable to be inserted selectively int... | 06/11/2002 |
| 6357810 | Hoist assembly A hoist assembly 10 for lifting an object 12 includes a support fixture 14 having three elongated support rails or members 16, 18, and 20, a movable lever assembly 24, which is mounted upon a spanning member 22, and three interconnecting chains, members o... | 03/19/2002 |
| 6354644 | Apparatus for handling hollow core rolls Apparatus for handling hollow core rolls of different core diameters, by picking up a roll disposed with its axis vertical, relating the same to a horizontal position, and sliding it onto a horizontally extending spindle. A stepped diameter holder having ... | 03/12/2002 |
| 6322117 | Lifting tool for safe 105 degree rotation Lifting tools for safe, 105 degree, off-center rotation of large, heavy objects are disclosed. A lifting tool includes a bar that can be positioned generally parallel to a centerline of the object, and first and second clamps that are rotatably or slidabl... | 11/27/2001 |
| 6209938 | Lifting tool for safe 90 degree rotation Lifting tools for safe, 90 degree rotation of large, heavy objects are disclosed. A lifting tool includes a bar that can be positioned generally parallel to a centerline of the object, and first and second clamps that are rotatably or slidably coupled to ... | 04/03/2001 |
| 6116669 | Device to automatically attach a bobbin-bearing shaft to a mandrel of a machine Device to automatically attach a first bobbin-bearing mandrel (11) to a second mandrel (15) of a machine, wherein the first mandrel (11) and the second mandrel (15) have substantially the same outer diameter and are suitable to be inserted selectively int... | 09/12/2000 |
| 6089633 | Sheet stack handler An apparatus for use in transporting a sheet stack comprises a wedge-shaped sheet stack holder with a cantilever arm extending from the back of the wedge. A suspending tether is joined to the cantilever arm. A primary tendon extends between the suspending... | 07/18/2000 |
| 6062620 | Spreader bar An apparatus for latching to any selected one of a family of electrical switching apparatuses having differently located centers of gravity includes a lifting bracket having a plurality of lifting attachment points whereby a crane or other hoisting device... | 05/16/2000 |
| 6059265 | Adjustable lifting and precision positioning device A device for precision lifting and positioning of test pieces is provided. he device has a rigid connector attachment which moves the application point of a vertical lifting force over the center of gravity of a test piece despite having a lifting attachme... | 05/09/2000 |
| 6053549 | Torpedo nose lift device In accordance with the present invention, a single point lifting device is rovided for a torpedo nose section. The device has two parallel plates, spaced slightly apart with edges placed longitudinally on the nose section. The edges are shaped to fit the n... | 04/25/2000 |
| 6048012 | Understructure lifting beam A self-leveling lifting beam adapted to be connected to the boom of crane to assist in the transport of a load to a high-rise building construction. The apparatus itself, which is fabricated of heavy gage steel and fully encased so there are no exposed wo... | 04/11/2000 |
| 6032998 | Power assisted roll handling apparatus A power assisted roll handling attachment for a lifting apparatus. Its support frame includes a gearmotor assembly and guides and is adapted for attachment to the lifting apparatus. A movable roll support assembly includes a support beam, a roll core mand... | 03/07/2000 |
| 6024394 | Apparatus with a centering member for latching and unlatching a load suspended from a lifting line An apparatus for releasing an attached load, with the load being attached with a sling is described. Generally, the apparatus comprises a plate having an underside face, and a latch member, operatively associated with the underside face, for latching and ... | 02/15/2000 |
| 5895198 | Coil unloading rig A coil unloading rig is adapted to handle, tilt and position a coil of sheet metal. An arcuate rail has opposed upper and lower open ends and an intermediate arcuate section. A trolley rotatably suspends the rail from a ceiling crane. A ring is disposed i... | 04/20/1999 |
| 5890841 | Subsea cable installation The present invention relates to a method and means for transferring a construction--consisting of an elongated article (2,21) provided with at least one termination (3,20,40)--between a vertical position and a horizontal position and vice versa. Handling... | 04/06/1999 |
| 5887922 | Adjustable lifting bail for fluid compressor A lifting bail adapted to be made integral with a machine having a center of gravity includes a lift eye plate located substantially near the machine center of gravity, a first locator member having openings for locating the lift eye plate substantially n... | 03/30/1999 |
| 5871247 | Crane wheel puller A wheel puller for handling a heavy wheel assembly. The puller comprises a beam having one end for securing a heavy wheel assembly thereto, and an opposite end having a weight member connected thereto. The weight member has a mass comparable to the wheel ... | 02/16/1999 |
| 5865491 | Rotatable hoisting device for position adjustment A rotatable hoisting device includes a hanging unit with a hook, and a rotary shaft which is connected to the hanging unit. The rotary shaft is driven by a power drive unit for rotating and adjusting the hanging unit, thereby rotating a form hung on the h... | 02/02/1999 |
| 5803520 | Fixture for hoisting and removal of truck beds A fixture to be used in conjunction with a standard engine crane for the hoisting of fleet-bed truck bed is disclosed and claimed. The fixture comprises a pair of struts joined at their center by a cross member, thus forming an I-shaped structure. At the ... | 09/08/1998 |
| 5800000 | Load adjusting device for a hoist The present invention provides a load adjusting device for use with a hoisting unit. The device includes a load spreader or spreader bar supported from a single lift point hoist by a load leveling assembly that provides an ability to adjust the location o... | 09/01/1998 |
| 5791861 | Rotatable vacuum lifting and transporting apparatus A suspendable apparatus for the lifting, rotating and transferring of essentially smooth-walled cylindrical objects, where such apparatus is preferably an air cylinder. The apparatus comprises a vertically oriented lifting mechanism consisting of a liftin... | 08/11/1998 |
| 5772269 | Hoisting tool A flap handling tool which eliminates rigid hookup at fixed points and permits ease of location of lift points, disburses the lifting load over a broad area and permits an evaluation of proper position of loading strap anchor points during lift and excess... | 06/30/1998 |
| 5671960 | Engine balance lifter An engine balance lifter has a main beam and two cross beams. The cross beams are secured to the main beam in spaced-apart relation at selected points along the length of the main beam and in selected angular positions with respect to the main beam. Clamp... | 09/30/1997 |
| 5664821 | Framework facilitating positioning of a tool chest A framework having end members joined by longitudinal members to define an area for the reception of a tool chest. A bail assembly of the framework includes a cross member on which an eye equipped sleeve is positionable and lockable to permit lifting of t... | 09/09/1997 |
| 5642979 | Roll handling apparatus for fork lift trucks Converts any fork lift truck to a roll turning fork truck by sliding a specially designed rectangular frame onto the truck forks. A safety chain is incorporated to firmly attach the device to the fork lift carriage. The frame combines a power hoist, with ... | 07/01/1997 |
| 5513944 | Roll handling apparatus for fork lift trucks The disclosure is directed to convert any fork lift truck to a roll turning fork truck by sliding a specially designed rectangular frame onto the truck forks. Two safety chains are incorporated to firmly attach the device to the fork lift carriage. The fr... | 05/07/1996 |
| 5431470 | Machinery lift assembly A machinery lift assembly includes an L-shaped tubular support member having a first leg thereof connected to a beam of a pivot joint. The pivot joint defines first and second cantilevered portions of the beam. A hydraulic cylinder is pivotably connected ... | 07/11/1995 |
