Overhead trolley track switch

Details Overhead trolley track switch Overhead trolley track switch

1986-06-20

1987-03-03

Reeves, Robert B.

Railways

Trolley transfer

Horizontal end pivot

104130, E01B 2526

Patent

active

046466460

ABSTRACT:
A switch for controlling the movement of trolleys on overhead tracks, which comprises a plurality of tracks intersecting with each other, wherein the switch is adaptable to be inserted between intersecting tracks and adjustable for handling trolley movement from one track to another. The switch is adaptable to be inserted between straight and curved tracks, curved and curved tracks, and to automatically handle the movement of the trolleys in one direction, and includes a unique cable transmission system for controlling trolley movement which provides positive movement of said lift pieces without relying on gravitational forces, thereby avoiding malfunctions.

REFERENCES:
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patent: 2535541 (1950-12-01), Le Fiell
patent: 2725017 (1955-11-01), Bedford et al.
patent: 2746397 (1956-05-01), Le Fiell
patent: 2944491 (1960-07-01), Le Fiell
patent: 3006287 (1961-10-01), Schmidt, Jr.
patent: 3063384 (1962-11-01), Sackett, Jr.
patent: 3366076 (1968-01-01), Ristow
patent: 3538853 (1970-11-01), Dehne
patent: 3739727 (1973-06-01), Bedford
patent: 3818836 (1974-06-01), Swilley
patent: 4453469 (1984-06-01), Bedford
patent: 4457235 (1984-07-01), Fottner

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