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| Number | Title | Issue Date |
| 7685948 | Track traveling toy A track traveling toy, including: a track; at least a part of the track being made to be a double track; and automotive vehicle stopping sections which are respectively provided on railway tracks of the double track, wherein an automotive vehicle entering the railwa... | 03/30/2010 |
| 7127997 | Friction drive conveyor The present invention relates to a friction drive conveyor including carriers 1, which can be propelled along a track by frictional wheels 30 fitted along the track. Each frictional wheel 30 can be driven by a brakeless motor 29. A sensor... | 10/31/2006 |
| 7124861 | Motion control apparatus A brake (10) having application for a linear or rotational motion device includes a housing (120) in which a first piston (140), a wedge (142) and a second piston (144) cooperate to engage a friction facing (136) through a p... | 10/24/2006 |
| 7117800 | Overhead material handling system and track block A material handling system (100) and method (200) for isolating a carrier mechanism (110) from the system. The system (100) comprises a track (103) having a channel (105), a turntable (115), and a carrier mechanism ( | 10/10/2006 |
| 7101112 | Security barrier An apparatus and method for installing and deploying a barrier utilizing one or more gas generators. The invention includes a barrier component installed beneath the ground surface or substantially parallel to the ground and raised by activation of the gas generator... | 09/05/2006 |
| 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 |
| 6308638 | Wheel stop for an overhead vehicle A wheel stop for an overhead rail vehicle includes a wheel block assembly pivotably fastened to a clamping assembly. The wheel block assembly is provided with an actuator connector positioned such that a downward force on the wheel block assembly tends to... | 10/30/2001 |
| 6152042 | Railcar retarder assembly A railcar retarder assembly for use in a railroad trackwork such as a railcar classification yard is provided with a fixed base plate, a vertically-oriented pivot shaft secured to the base plate, an elongated and curved cam member mounted on the pivot sha... | 11/28/2000 |
| 6135029 | Linear motion brake A brake (10) includes a first friction element (30) secured to the sliding plate (16) of a linear motor (12) and a second friction element (36) secured to the base plate (14) of the linear motor (12), with the friction elements (30, 36) located outside of... | 10/24/2000 |
| 5967051 | Vehicle human amusement ride track with centering arrangement An amusement ride for humans which utilizes at least one vehicle which is to be operatively moved on a track. The vehicle is to be tied to the track so as to prevent separation of the vehicle from the track with this tying to the track being accomplished ... | 10/19/1999 |
| 5947030 | Amusement device in the form of a roller coaster, a monorail or the like A recoil blocking device for vehicles (1) for roller-coasters, monorails or the like. To avoid the ratchet noises occurring in the case of prior-art ratchet-type blocking mechanisms of such recoil blocking devices, the present invention provides a catch d... | 09/07/1999 |
| 5842421 | Power and free conveyor system utilizing power track and dog elevation to prevent jamming conditions at transfers and switches A power and free conveyor system is provided which utilizes a difference in height between the wipe in power trolley and the wipe out power trolley, with or without a camming down of a retractable wide dog of the free trolley, to allow the wipe in power c... | 12/01/1998 |
| 5715756 | Ride attraction anti-roll back system An amusement ride attraction has an anti-roll back track with stops or cross bolts covered by a continuous brush material. A vehicle such as a roller coaster car or water flume boat has an anti-roll back pawl which rides above the fiber material on skis, ... | 02/10/1998 |
| 5632207 | Conveying system A conveying system is provided for moving a pallet along straight and curved paths. The conveying system includes a track on which the pallet is mounted for movement by a motor driven roller which engages a stationary shaft mounted on the track. The drive... | 05/27/1997 |
| 5626082 | Emergency braking device for linear motor driven transport system A linear motor driven transport system of an improved design is presented. The conventional roller configuration for holding the transport vehicle on the rail track has been replaced with a spring-loaded design so as to maintain the contact between the ro... | 05/06/1997 |
| 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 |
| 5551347 | Human amusement ride An amusement ride for humans which is constructed to include a plurality of separate tracks located in a side-by-side relationship. On each track is located a vehicle, with this vehicle including a propulsion system which is activated and controlled by a ... | 09/03/1996 |
| 5537933 | Segmented safety rail with a movable trolley A safety system for restraining and preventing a person from falling off an elevated structure such as a locomotive. The safety system includes a segmented rail structure comprising a plurality of releasable and/or removable rail sections that are support... | 07/23/1996 |
| 5526753 | Storage apparatus for a storage conveyor The present invention provides a pusher dog, which is mounted on a driving conveyor chain and normally urged to a standing position, and which is detachably hooked on a truck. The pusher dog tilt operation plate is mounted on a storage conveyor. An upward... | 06/18/1996 |
| 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 |
| 5388525 | Railway car retarder An improved railway car retarder, fitted with fluid power cylinders, such as hydraulic or pneumatic cylinders. The cylinders function to temporarily release the force of retarder friction rails on train car wheels. The retardation function is still carrie... | 02/14/1995 |
| 5195437 | Conveyor system A conveyor system for transporting wheeled trucks along a roadway that has straight and curved portions, in the center of which lies a chain conveyor. The trucks selectively engage the chain so as to be impelled thereby to move along the roadway and are s... | 03/23/1993 |
| 5056438 | Detection system for conveyer system which utilizes conveyor drive to rotate identifying code wheel A detection system provided in a conveyor system in which carrier members are conveyed by conveying member between work stations, having an identification code provided on a disk member on each carrier member for indicating the working station to which th... | 10/15/1991 |
| 5007783 | Positioning apparatus for an automatic carrier system Disclosed is an automatic carrier system having one or more self-propelled robotic carriers for carrying products-in-assembly between assembly stations of an automated assembly line. The running speed and stopping position of individual carriers is contro... | 04/16/1991 |
| 4953469 | Selectively positionable variable height workstation and method of use A variable height workstation includes a trolley delivery apparatus for controllably moving a rail section from a gap formed in a subsidiary loop rail to a workstation located remotely from the loop. A pivotal cam is controllably rotated by an actuator an... | 09/04/1990 |
| 4944228 | Conveyor system A conveying system for moving load carrying units, such as carts or pallets, along a predetermined conveying path includes an endless moving conveyor chain traveling in a chain guide channel defining the conveying path. The carts to be conveyed each have ... | 07/31/1990 |
| 4940000 | Modular installation for controlled transport of parts or products The present invention relates to a modular installation for controlled transport of parts or products. This installation includes at least one autonomous pallet (10) carrying a traction mechanism, preferably in the form of an electric motor-brake (14), th... | 07/10/1990 |
| 4898099 | Positive retraction trolley stop for power and free conveyors A positive retraction trolley stop mechanism is provided for a power and free conveyor system having a trolley member driven along a track. A depending trolley dog, engaged by drive dogs on a drive mechanism to push the trolley along the track, is movable... | 02/06/1990 |
| 4793261 | Accumulating pallet chain-dog conveyor and method of conveying pallets An accumulating pallet chain-dog conveyor has spring-biased roller assemblies attached to the pallet underside for frictionally engaging dogs and spacers which are connected to an endless chain. The roller assemblies include rotatable rollers having a plu... | 12/27/1988 |
| 4790247 | Trolley stop for power and free conveyors A trolley stop assembly is provided for use with an inverted power and free conveyor system having a trolley member driven along a track. A depending trolley dog is engaged by drive dogs on a drive mechanism for pushing the trolley along the track and is ... | 12/13/1988 |
| 4739863 | Vat wheel lock A locking assembly for vat wheels mounted in a track includes an air cylinder actuator having a reciprocating piston rod which drives a pivotable rocker assembly. The rocker assembly includes a pair of wheel braces which, in a locking position, cross the ... | 04/26/1988 |
| 4712486 | Aerial ropeway transport installation with the rope stopping to detach the cars in the terminal An aerial ropeway transport installation comprises cars coupled to the rope by detachable grips. On the line the cars run in groups but are widely spaced in order to spread the load. In the terminal the cars are uncoupled from the rope at a corresponding ... | 12/15/1987 |
| 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 |
| 4646649 | Driverless vehicle with floating mounted substrate, and precision stop/locator assembly A driverless vehicle, propelled by a longitudinal drive shaft, is provided with a load supporting substrate coupled to the vehicle body by a floating mount which permits the substrate to be moved relative to the body in a limited manner. A precision locat... | 03/03/1987 |
| 4644869 | Device for interrupting the movement of load carrying units along a conveyor path A device for interrupting the movement of load carrying units, such as carts or pallets, moving with a conveyor system. The device includes a movable conveyor engagement mechanism associated with each of the carts which is movable between a conveyor syste... | 02/24/1987 |
| 4603639 | Traffic control device for driverless vehicles The device controls the speed of a driverless vehicle by way of a cam having an acceleration surface and a deceleration surface for contact with a cam follower on the driverless vehicle. The cam is mounted for reciprocation in a horizontal direction betwe... | 08/05/1986 |
| 4572080 | Movable stops for railway vehicles Movable buffer stop apparatus (10) for a railway vehicle comprises a stop plate (27) on an arm (21), and a support strut (31) movable angularly relative to the arm (21) by an hydraulic cylinder (33) between raised and lowered conditions of the apparatus (... | 02/25/1986 |
