"What, sir, would you make a ship sail against the wind and currents by lighting a bonfire under her deck? I pray you, excuse me, I have not the time to listen to such nonsense."
Napoleon Bonaparte ; When told of the Robert Fulton steamboat
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| Number | Title | Issue Date |
| 7337726 | Wind farm An offshore wind farm comprises a plurality of wind turbines. In order to provide such a wind farm with transport between separate wind turbines that can be effected more safely and with less dependence on weather, cable connection is provided between the wind turbi... | 03/04/2008 |
| 6508180 | Method and device for positioning a train A method for positioning railroad freight cars at specified positions while using robust positioning devices. One end of a train is prepositioned inside a comparatively wide area and a buffer device is activated. The locomotive pulls the train in a direct... | 01/21/2003 |
| 6409438 | Method and system for positioning of a carrier for work pieces An apparatus for positioning a workpiece carrier in a machining station includes at least one positioning device. The workpiece carrier is movable on a rail system and one or more machining stations are arranged along the rail system for machining a workp... | 06/25/2002 |
| 6305295 | Stopping device for a transport trolley Stopping device for a transport trolley which can be moved along guidances or rails (2-3), whereby the transport trolley (4) is provided with driving wheels (7) which cooperate with a driving axle (6) and which, by means of a lever (14) with a contact whe... | 10/23/2001 |
| 6253684 | Stop mechanism for power and free conveyor system A stop mechanism for detaching a conveyor trolley from a drive system which normally drives the trolley along a conveyor track. A ramp can be moved into the path of a trolley dog so that the trolley dog moves upwardly along an inclined ramp surface to dis... | 07/03/2001 |
| 6240852 | Highway-vehicle system with improved braking, enhanced stability and provisions for electric power take-off A highway-vehicle system for high speed travel which comprises a below-ground structure defining a cavity and a narrow slot extending upwardly therefrom to the roadway surface. Each vehicle in the system is equipped with a projecting member which, in its ... | 06/05/2001 |
| 6216601 | Apparatus for limiting a travel path of a running gear, in particular of a hoist Apparatus for limiting a travel path of running gears, in particular hoists, traveling along a running rail of a type having at least one flange and a web, includes a pair of side elements which are securable to opposite sides of the flange and provided w... | 04/17/2001 |
| 5884564 | Anti-backup device for power-and-free conveyor systems In a power-and-free conveyor system an anti-backup devise for attachment at a work station comprising a block, and a stop and a cam mounted on the block and a spring for applying force to the cam to frictionally engage a wheel of a trolley on the power-an... | 03/23/1999 |
| 5784965 | Interlock mechanism for an overhead trackway system An interlock mechanism connects a movable trackway end-to-end to another trackway to allow rolling transfer of a crane trolley. The bridging trackway assembly is mounted on the movable trackway to be vertically movable to bridge a gap between the trackway... | 07/28/1998 |
| 5570639 | Anti-runaway apparatus and method for a power-and-free conveyor system Apparatus for preventing runaway of trolleys in a power-and-free conveyor system that includes a friction bar that extends lengthwise of the free conveyor track on a side of the track remote from the power conveyor for motion lengthwise of the track at an... | 11/05/1996 |
| 5562041 | Linear induction motor actuated stop The present invention provides a carrier stopping device for a conveyor having a disengageable propelling member, such as a power and free conveyor. The stopping device preferably utilizes a linear induction motor to activate a stop plate of the stopping ... | 10/08/1996 |
| 5553986 | Indirect lock and lock release mechanism An indirect locking and lock release mechanism is provided that permits remote actuation of the lock release function and automatic reset of the locking function in a chamber. Linear actuation of a push rod from a transfer platform causes linear actuation... | 09/10/1996 |
| 5511487 | Transport system with electric movers A transport system having (i) electrical movers for moving in a travel direction along a guide rail, each having (a) a drive wheel, (b) a brakeless electric motor for rotating the drive wheel, (c) a photoelectric switch adapted to sense the proximity of a... | 04/30/1996 |
| 5450796 | Transport system with electric rail cars A transport system having a first electric rail car adapted to be propelled over a guide rail, a rail car stopping device being disposed separately from the first rail car along the guide rail, the first rail car having a brakeless motor, an electric powe... | 09/19/1995 |
| 5448952 | Door driving mechanism A driving mechanism is disposed in the bottom of a door for driving the door and includes a reduction gearing and a motor fixed to the door, and a gear coupled to the reduction gearing and engaged with two shafts for rotatably supporting the wheels of the... | 09/12/1995 |
| 5431521 | Indirect lock and lock release mechanism An indirect locking and lock release mechanism is provided that permits remote actuation of the lock release function and automatic reset of the locking function in a chamber. Components on a transfer carrier permit remote actuation of locking components ... | 07/11/1995 |
| 5387063 | Indirect lock and lock release mechanism An indirect locking and lock release mechanism is provided that permits remote actuation of the lock release function and automatic reset of the locking function in a chamber. Linear actuation of a push rod from a transfer platform causes linear actuation... | 02/07/1995 |
| 5142992 | Crane securement latch A latch for a crane travelable along a pair of generally parallel rails and having an overhead frame and a plurality of wheels engaging both of the rails for supporting the crane during its travel on the rails. The latch comprises a latch arm mounted on t... | 09/01/1992 |
| 4708411 | Anti tip system A mobile storage system has improved safety features on the movable carriages. The safety features include an anti tip mechanism having dual plate for cooperating with respective channels fastened to the rails. The dual plates and channel design prevents ... | 11/24/1987 |
| 4687091 | Positioning and stop device for workpiece carriers of a conveyor A device for positioning or stopping a workpiece carrier of a conveying device in which workpieces are fed to different work stations following each other in a conveying direction is provided. The workpiece carrier is provided with an external stop projec... | 08/18/1987 |
| 4532869 | Pallet conveying system A pallet conveying system comprising pallet guide rails supported on a frame, a driving shaft extending along the guide rails, motors for driving the driving shaft, a turntable mechanism disposed at the end of the pallet guide rails and having changeover ... | 08/06/1985 |
| 3934516 | Batching and dispersing assembly for a conveyor system A device for use in a conventional conveyor system which enables trolleys to be batched, accumulated and individually dispatched into the conveyor system is disclosed. The invention comprises a batching portion and dispersing assembly. Flexible exciter do... | 01/27/1976 |