Track switch with dual shaft pivot and rotatable hub connected t

Details Track switch with dual shaft pivot and rotatable hub connected t Track switch with dual shaft pivot and rotatable hub connected t

1991-05-24

1992-10-06

Oberleitner, Robert J.

Railways

Trolley transfer

Horizontal end pivot

403156, 403161, 403163, 104130, E01B 2526

Patent

active

051522268

ABSTRACT:
An improved switch for an overhead trolley track system, which is adaptable to be inserted between intersecting tracks and adjustable for handling trolley movement from one track to another. The improved switch includes a unique pivot and shaft assembly whereby the hub member attached to the track lift piece rotates or pivots freely about an outer shaft without applying force to an inner shaft mounted to the track, thereby avoiding constant maintenance, malfunctions, and system interruption.

REFERENCES:
patent: 2746397 (1956-05-01), Le Fiell
patent: 2901276 (1959-08-01), Nolden et al.
patent: 3739727 (1973-06-01), Bedford
patent: 3818836 (1974-06-01), Swilley
patent: 4435100 (1984-03-01), Cox
patent: 4453469 (1984-06-01), Bedford
patent: 4646646 (1987-03-01), Swilley

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