Railways – Trolley transfer – Sliding shift
Patent
1984-12-19
1986-10-07
Reese, Randolph A.
Railways
Trolley transfer
Sliding shift
104130, 104172S, E01B 2526
Patent
active
046152733
ABSTRACT:
A conveyorized transport system which can be used to transport workpieces to a series of subsidiary loops, comprises a main rail, workpiece carrying trolleys movable on the main rail, a subsidiary loop adjacent to the main rail which leads to a work station, a special switch to transfer a trolley between the main rail and the subsidiary loop, and a computer to track and control the movement of the workpieces. The main rail and the subsidiary loop each have a gap laterally spaced from one another, and each switch includes a transfer rail section which can be moved laterally between the gap in the main rail and the gap in the subsidiary loop to transfer a trolley between the main rail and the subsidiary loop. One specific embodiment of the transport system also includes a chain-driven pusher extending downward from an overhead track which drives said trolley while it is being transferred between the main rail and the subsidiary loop.
REFERENCES:
patent: 681906 (1901-09-01), Bezanson
patent: 2688931 (1954-09-01), Spafford
patent: 2750897 (1956-06-01), Davis
patent: 2840006 (1958-06-01), Henderson
patent: 3046909 (1962-07-01), Gorjanc
patent: 3242874 (1966-03-01), Orwin
patent: 4542698 (1985-09-01), Wakabayashi
Nymark Roald
Osthus Harold
Gerber Garment Technology, Inc.
Hubbuch David F.
Reese Randolph A.
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