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8127687 |
Material handling system including dual track assembly and method of operating same
A material handling system includes a first independent track assembly configured to transport a forward trolley along a first path, and a second independent track assembly configured to transport...
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7814839 |
Inverted conveyor
A conveyor is powered by a rotating, generally horizontal drive tube or shaft engaged by angularly disposed trolley wheels, in which trolleys support the conveyed products or materials above the...
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7562763 |
Cable drive for overhead conveyor
In a drive system for an overhead conveyor, a first drive shaft presents a path of travel for a trolley, and a second drive shaft spaced from the first drive shaft provides a continuation of the...
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7421953 |
Coupling device in overhead conveyor system
A device for an overhead conveyor system of the type where a plurality of carriages (7) by contracting a rotating drive shaft (5) are propellable along a rail (2). The device comprises an operating...
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7337894 |
Conveyer for high temperature environment
A chain drive overhead conveyer extends through an oven to move carriages between exit and entrance ends of respective rotary drive shafts that are outside the oven. Driven wheels of the carriages...
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6668737 |
Transport system comprising a vehicle with good cornering performance which can be moved on rails
The invention relates to a transport system comprising rails arranged next to each other and a vehicle which is characterized by good cornering performance, can be moved on said rails and has...
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6457418 |
Conveyor system with an overhead load carrier
The invention relates to an overhead conveyor system which includes a rail, at least one carriage which is provided with wheels and which is adapted to run along the rail and support a load...
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6425579 |
Low friction envelope feeder
An envelope hopper having a plurality of bottom rods to form a supporting surface for supporting a stack of envelopes and a paddle to push the envelopes towards an envelope feeder at the downstream...
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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...
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6293388 |
Trolley retention abutment for overhead conveying system
Overhead conveying system trolleys supported by canted driven rollers engage on and form spiral loci of engagement with a rotated drive shaft in a powered section, and each has a top wheel used to...
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6267060 |
Overhead conveyor with powered drive module
A factory preassembled drive module is assembled between opposed spaced apart ends of load beams and opposed rotatable shafts supported by the load beams are assembled drivingly to a rotatable...
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6267059 |
Low clearance train positioner
A train positioning system for moving railroad cars by engaging bogey frames from one side includes a dog carriage guideway spaced from and parallel to a railroad track, a dog carriage mounted to...
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6044766 |
Playground carriage
In accordance with the present invention, a playground carriage (10) is provided for moving people (100) from one play area to another. The playground carriage comprises a rotatable support pipe...
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6032785 |
Overhead conveyor system
With respect to an overhead conveyor of the type wherein a carriage travels along a rotatable generally horizontal drive shaft by being supported on the top periphery of the drive shaft through...
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5953995 |
System for transport by passive vehicles
A transport system for passive vehicles which move by way of wheels on treadways of a track includes guide surfaces for guiding the vehicles along the track. Each vehicle includes at least one...
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5881649 |
Magnetic transfer system, power transmission mechanism of the magnetic transfer system, and rotational driving member used for the system
To provide a magnetic transfer system capable of smoothly delivering a carrier between chambers by providing a independently-rotating carrier-feed driving shaft for each chamber without using a...
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5816167 |
Playground carriage
In accordance with the present invention, a playground carriage (10) is provided for moving people (100) from one play area to another. The playground carriage comprises a rotatable support pipe...
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5806655 |
Wheeled vehicle guidance and drive system
A standard wheeled dolly frame or pallet is connected to a carriage at one or opposite sides thereof. Each carriage has an elastomeric material for biasing a plurality of pivotally mounted driven...
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5785168 |
High load overhead conveyor drive system
A load of an overhead conveyor is connected to a carriage, that has elastomeric material biasing a plurality of pivotally mounted driven wheels against a rotatable drive shaft extending along the...
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5758581 |
Conveyor system with rotary shaft propulsion
The invention consists of a conveyor system with a drive shaft that can be rotated around its longitudinal axis, and at least one conveyor car with at least one frictional wheel, which for...
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5076172 |
Returning system for rail-bound transport carts without internal drive
Transport carts without internal drive which are bound to rails are moved in a returning system on a transport line from a common main drive. In the end area of the transport line, a secondary...
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5031543 |
Side panel anti-abrasion envelope
A railway car side panel assembly with upright support posts forming the side walls of the car wherein painted or galvanized panels are protected from rusting by plastic inserts positioned between...
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5001987 |
Lightweight car-on-track system
A lightweight car-on-track system having a pair of spaced-apart rails and an associated rotatable drive tube with a captive carrier movable along the rails and having a drive wheel in driving...
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4998481 |
***WITHDRAWN PATENT AS PER THE LATEST USPTO WITHDRAWN LIST***
Returning system for rail-bound transport carts without internal drive
Transport carts without internal drive which are bound to rails are moved in a returning system on a transport line from a common main drive. In the end area of the transport line, a secondary...
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4964343 |
Pallet in frictionally driven roller type transfer apparatus
Transfer apparatus having a pallet which is advanced along rails by a rotating shaft disposed between and parallel to the rails. The pallet has a roller frictionally engaging the shaft with its...
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4909153 |
Transport systems using passive vehicles
The invention concerns a variable speed transportation system using passive vehicles. The passive vehicles (1) are driven at variable speed by tubes (4) rotating in bearings (13) mounted on...
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4846074 |
Conveyor pallet construction
An improved moving work pallet construction includes a cantilever pallet supported on a single track by a wheel or roller. A drive shaft parallel to the track serves to counterbalance the weight of...
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4838171 |
Frictionally driven roller type transfer apparatus
In a transfer apparatus in which a pallet is stationary when the crossing angle between the axes of rotation of a driven roller and a driving shaft is zero, and the pallet may be driven when the...
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4825135 |
Method and apparatus for providing mechanical amplification
Method and apparatus are disclosed for providing mechanical amplification particularly suited for the driving system of mechanical robots. An electronic control system is provided for interfacing a...
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4798147 |
Drive wheel adjuster for driverless vehicle
A driverless vehicle having swivel-mounted support wheels which ride on track rails and at least first and second drive wheels adapted for frictional contact with a drive tube. The drive wheels are...
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4791872 |
Vehicle and track system
A vehicle for use in a track system of the type having a rotating drive shaft extending along and parallel to an elongated track has a drive wheel mounted to extend from the side of the vehicle for...
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4782760 |
Vehicle precision location assembly
A vehicle precision location assembly including a precision shoe mounted on the vehicle and having planar surfaces which converge towards an end of the shoe and intersect along an edge inclined...
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4763539 |
Mechanical converter from rotational to linear movement
This disclosure relates to an apparatus for converting rotational movement into linear movement. The apparatus includes a roller unit and a rotatable screw. The roller unit is adapted to be...
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4718350 |
Small lightweight driverless vehicle
A driverless vehicle is provided with support wheels on one side and drive wheels on the opposite side. The drive wheels perform the dual function of supporting one side of the body and propelling...
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4691641 |
Vehicle accumulation system
An accumulation system for driverless vehicles of the type which are propelled along a track by contact between the drive wheel and a rotating drive shaft. Accumulation being caused by contact...
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4648325 |
Linear drive unit
A linear drive unit having a carriage reciprocal along a path of travel and having a plurality of pairs of angularly adjustable drive wheels engaging opposite sides of a rotatable drive tube...
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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...
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4628823 |
Vehicle speed control transition module and method
The speed of a driverless vehicle is controlled along the length of the module from an incoming high speed to an outgoing low speed or vice versa. The module includes first, second and third...
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4620280 |
Intelligent driverless vehicle
An intelligent driverless vehicle rolls on a track and has a pair of drive wheels which engage with a rotating drive shaft. The angular position of the drive wheels relative to the drive shaft...
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4619204 |
Driverless tugger vehicle and system
A driverless tugger vehicle is adapted to shuttle back and forth and push or pull another driverless vehicle each time it moves in a forward direction. The tugger vehicle is propelled by frictional...
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4612861 |
Driverless tugger vehicle
A driverless tugger vehicle adapted to contact another driverless vehicle and push or pull the latter to a source of power includes a body having support wheels for riding on tracks. The body has a...
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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...
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4603720 |
Drive wheel for driverless vehicle
A drive wheel for driverless vehicle has a tire portion. The tire portion has discrete recesses for enabling the tire portion to be frictionally driven by a drive shaft whose surface is wet or oily.
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4597334 |
Turntable for a system of driverless vehicles
A turntable for driverless vehicles rides on a horizontally disposed circular rail and is pivotable about a vertical axis through an arc of 90°. A vertical shaft is connected at its upper end to ...
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4593623 |
Reversible, accumulating longitudinal drive tube carrier
A carrier system having a carrier movable along a path as defined by a trackway and driven from a rotatable drive tube by means of one or more drive wheels which can be adjustably angularly related...
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4583462 |
Driverless vehicle for two way accumulation
A driverless vehicle has a platform mounted on support wheels for riding on rails. First and second drive wheels adapted for frictional contact with a drive tube are provided on the vehicle. The...
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4582000 |
Train of driverless vehicles
A plurality of driverless vehicles are pivotably connected together to form a train. Each vehicle has a drive wheel connected to the drive wheel on the next adjacent vehicle by a flexible member...
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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...
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4515085 |
Speed control apparatus
Apparatus is disclosed for controlling the angular position of a drive wheel on a driverless vehicle. The apparatus includes a speed control device movable between two positions and having a...
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4515084 |
Track for driverless vehicles
The track for driverless vehicles has a low profile with a rail extending along one side edge portion of the track structure and a drive shaft extending along the opposite side edge portion of the...
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