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7306077 |
The present invention relates to a fail-safe skate retarder that applies a braking force proportional to the weight of a rail car entering the retarder. Each segment of the retarder includes a lever mechanism with a pair of levers rotata...
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7140302 |
The present invention provides a releasable skate retarder for railway cars. The retarder includes a plurality of spring packs including springs which bias shoe carrying beams toward running rails, trapping wheels of a railway car enteri...
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6829998 |
The present invention provides a releasable skate retarder for railway cars. The retarder includes a plurality of spring packs including springs which bias shoe carrying beams toward running rails, trapping wheels of a railway car enteri...
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6637554 |
A rail brake element, in particular in connection with rail brake buffer blocks, comprising a pair of clamping plates C-shaped in cross section and having upper and lower leg portions, the clamping plates engaging a rail head on opposite...
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6520298 |
A railroad track brake in which a piston track brake is shifted out of an active state into an inactive state by a track-brake lowering device with a length of structural section extending along the piston track brake and having drag bar...
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6220400 |
A low-profile railway car retarder system comprising a fulcrum pin, an upper and a lower lever, and two braking assemblies, is disclosed. The levers are located beneath a horizontal plan drawn from the top of the rail, thereby preventing...
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6199671 |
A piston-type rail retarder includes a shock absorber having a cylinder defining a cavity between a pair of end walls. A piston rod extends axially through one of the end walls, and a piston is mounted on the piston rod between the end w...
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6135029 |
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) ...
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5927444 |
A brake for a track-operated vehicle employing the use of friction between at least one brake pad to be mounted on the vehicle and at least one frictional strip for attached to a lateral side of the track. The brake pad is to be attached...
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RE36084 |
A brake apparatus that is designed to brake a drag race vehicle that is movable within a track of an amusement ride. The braking apparatus includes a pair of braking units that each include movable portions that are movable toward each o...
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5865122 |
A shoe or clamp assembly for securing a buffer stop or bumping post to railroad track with a predetermined magnitude of retardation against sliding movement of the buffer stop when the same is engaged by a moving railcar to be stopped. T...
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5794533 |
A speed control apparatus for a waterway traveling vehicle which can guide the vehicle when it is traveling along the waterway, while applying a damping force to slow or stop the vehicle. A turning frame is provided in the waterway and i...
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5730260 |
A shock absorber comprises a cylinder defining a cavity between a pair of end walls. A piston rod extends axially through one of the end walls, and a piston is mounted on the piston rod between the end walls so as to divide the cavity in...
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5676337 |
A railway car retarder mechanism that employs linear electromagnetic induction to precisely accelerate or decelerate a railcar. The retarder mechanism includes a plurality of linear induction stators having a spaced plurality of primary ...
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5636575 |
A retarder apparatus controls the speed of a free, load-carrying conveyor as it moves in a predetermined direction along a path of travel defined by the track in which the conveyor runs. Paddle members are spaced at regular intervals alo...
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5584249 |
A control device for trolley shackles used to carry animal carcasses or parts thereof on a track for weighing and disposal. The control comprises a snubber device including extending teeth adapted so that each tooth can catch a shackle. ...
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5575218 |
A brake apparatus that is designed to brake a drag race vehicle that is movable within a track of an amusement ride. The braking apparatus includes a pair of braking units that each include movable portions that are movable toward each o...
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5570639 |
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 ...
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5553986 |
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 cause...
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5431521 |
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 l...
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5388525 |
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 functi...
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5387063 |
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 cause...
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5211266 |
An improved rail skate intended for mounting on the top of a rail, including an upwardly inclined ramp portion and an entry or toe portion whereby a wheel of an approaching railcar will roll up on top of the entry or toe portion and enga...
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5209165 |
In a friction buffer stop, each side wall of the buffer structure has at its lowermost edge mutually spaced slots extending parallel to the adjacent rail, each slot being directly opposite to and of the same length as a slot in the other...
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5121695 |
An overhead cableway is disclosed, in particular a chair lift, with a cable revolving between stations and with transport devices having a traveling gear and connected with the cable via removable clamps. Travel segments are provided at ...
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5092248 |
The retarder is installed adjacent a railway track for reducing the speed of a wagon rolling along the track and additionally has the capability of boosting the speed of a wagon. The retarder includes a hydraulic unit having a portion ad...
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5029675 |
A method for speed control of railway transport facilities and a device to accomplish the method are used for deceleration and acceleration of transport vehicles in shunting yards. In the process of speed control a pressure element is in...
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4901648 |
A weight bearing trolley moves along a track having flanges between which a guide wheel of said trolley is positioned. The movement of the trolley is monitored to determine when braking is desired and, when desired, pressure is applied t...
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4867279 |
A low-profile railway car retarder having a pair of braking bars disposed parallel and on opposite sides of a track rail and having an upper and lower pivotal lever carrying a respective one of the pairs of braking bars. A pneumatic moto...
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4739863 |
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 po...
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4721189 |
A retarder, suitable when mounted in association with a rail of a railway track for reducing the speed of a wagon rolling along the track, includes an hydraulic unit which comprises a hollow member, a piston slidably housed in that membe...
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4650038 |
A retarder, suitable for mounting with respect to a rail of a railway track for reducing the speed of a wagon rolling along the track, includes an hydraulic unit a portion of which, for retardation of the wagon, is disposed in the path o...
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4568305 |
A toy train set includes a toy train car operative upon a two rail trackway. The trackway includes a braking system for reducing the toy train speed at selected places along the trackway and a track intersection having no moving parts wh...
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4546295 |
The present invention provides an electric actuator having an output member movable from a first variable position to a second variable position; an electric motor operable to control a spring system to exert an output force on the outpu...
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4535872 |
A retarder, suitable for reducing the speed of a wagon rolling along a railway track, includes a retainer, which is adapted to be secured upon or adjacent a rail of the track, and an hydraulic unit which is fitted in the retainer. A port...
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4513843 |
A brake or retarder for braking rolling railway cars preferably for shunting purposes incorporates an actuating member adapted to be given a movement by a passing railway car wheel, which movement via a speed-dependent coupling is transf...
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4480723 |
In a retarder system for railway wagons, a retarder device which includes a rotatable cylinder resiliently urged into a working position adjacent a rail and provided with a flange with a helical contact surface. The flange of a railway w...
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4474271 |
A shock absorber comprises a cylinder and a piston rod passing through at least one end of the cylinder. A piston unit is mounted on the piston rod and divides the cavity within the cylinder into two working chambers. A damping fluid is ...
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4393960 |
A brake shoe structure includes a series of alternating long brake shoes and short brake shoes mountable on adjacent brake beams in a railroad car retarder. The length of the long brake shoe is such that the long brake shoe symmetrically...
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4310073 |
The speed of loaded and unloaded driverless vehicles traveling along an inclined path is controlled by a hydraulic retarder mechanism which dissipates the kinetic energy of the vehicle. The retarder mechanism is velocity sensitive and pr...
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4267902 |
Two beams of a railway car retarder which are located on opposite sides of a track rail are provided with brake shoes in the form of segments. The segments are positioned in recesses on the inside longitudinal sides of the beams. The rec...
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4228998 |
The braking apparatus of this invention functions in cooperation with a rabbit lure car provided with longitudinally arranged brake shoes adapted to be clamped between elongated clamp members as the lure car passes the clamp members. Act...
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4198909 |
The track brake is intended to limit the speed of rolling motion of a freight car according to the track gradient in a marshalling yard. A retarder installed along a braking rail comprises a number of braking tappets each having a portio...
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4125177 |
Railway braking apparatus for frictionally engaging and retarding the wheels of railroad cars which includes a series of pneumatic cylindrical operators located between two adjacent crossties along the trackway. The piston of each pneuma...
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4098374 |
A system for exchanging hydraulic fluid between a pump, a retarder and a reservoir in a railroad classification yard in which a pump housing and a control unit housing are supported independently outboard of opposite sides of the classif...
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4030574 |
A rail wheel gripper for holding or retarding a rail vehicle has opposed gripper mechanisms that engage a wheel between them. Each mechanism comprises a carrier arm for a gripper member and upper and lower pivot arms connected to the car...
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4003451 |
Noise from track retarders is significantly reduced by a brake shoe which dampens vibrations as continuous braking action of a wheel occurs. The brake shoe is adapted to have selectively variable brake surface configurations which contri...
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3952839 |
A rail trackway fitted with braking devices which are arranged along predetermined intervals and comprise elastically deformable braking bodies adapted for use in warehouses and at loading stations for transshipment.
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3938629 |
A railway track brake comprising a series of segments connected together in pairs and installed transversely between the rails of the track, each segment including a top beam with a shaft rotatably installed inside the top beam and provi...
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3916796 |
This disclosure relates to a frictional gripping type of railroad car retarder having a plurality of vibrational dampening wheel and tire assemblies disposed at selected intervals along the running rails in the car retarder for engaging ...
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