Workpiece transport system

Details Workpiece transport system Workpiece transport system

1986-09-03

1988-04-12

Valenza, Joseph E.

Railways

Selective delivery

104 49, 104100, 1983461, 198349, 1984654, 29 33P, B65G 4748

Patent

active

047366877

ABSTRACT:
A computer-controlled system for transporting workpieces, in which each workpiece is placed on a load carrier, each workpiece and load carrier being marked with an identifier. A central computer is loaded with data relative to each given workpiece, its respective load carrier, and work to be performed on such workpiece, and predetermines a path to be followed by such load carrier. The load carrier is placed on a main path, its identifier is read, and if work is to be performed on a workpiece carried thereon, a switch is thrown to divert the load carrier to an auxiliary path and then to a work station. The load carrier may be diverted to the work station by a swing-out device or by a spur path, for example. After such work, the load carrier is returned to the main path and its identifier is read again to determine whether it again is to be diverted to an auxiliary path for performing further work on a workpiece carried thereon. Holding devices are provided on the main and auxiliary paths for performing sorting and accumulating functions to optimize passage times around the system.

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patent: 3592141 (1971-07-01), Davidson
patent: 4084684 (1978-04-01), Skinner
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patent: 4580705 (1986-04-01), Wolfson et al.
patent: 4597495 (1986-07-01), Knosby
patent: 4603777 (1986-08-01), Pearl et al.
patent: 4615273 (1986-10-01), Osthus et al.
patent: 4646646 (1987-03-01), Swilley
"Forderanlage mit Auswahlautomatik fur das programmgesteuerte Bereitstellen von Motoren und Achsen in der Automobil-Endmontage" ]Conveyor System with Automatic Selection for the Program Controlled Making Availabe of Engines and Axles in Automobile Final Assembly]; Siemens-Zeitschrift, vol. 45, No. 7 at 460 (1971).

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