Trolley stop for track switch

Details Trolley stop for track switch Trolley stop for track switch

1982-04-05

1984-06-12

Reese, Randolph

Railways

Trolley transfer

Horizontal end pivot

104250, E01B 2526, B61K 720

Patent

active

044534698

ABSTRACT:
A trolley stop device for use in an overhead track and trolley system in which there is a track switch such as those frequently used in slaughter houses and the like. Such systems include a main track and a branch track with a track switch by which a trolley may move along the main track in one direction and pass through the switch when it is in one position and the trolley then reversed and passed through the switch when in its other position for movement of the trolley onto the branch track as is well known in this field of endeavor. The trolley stop is a spring biased stop pivotally mounted on the main track adjacent the portion thereof which has a notch or cut-out receiving the track switch elements so that at any time one or the other of the switch elements are not in their operative or closed position, the trolley stop will prevent the trolley from rolling off the main track at the open end thereof defined by the notch or cut-out. The stop includes a projection to limit its pivotal movement to a position in the path of movement of the trolley and includes a beveled end to partially enter the groove between the flanges on the trolley wheel.

REFERENCES:
patent: 301119 (1884-07-01), Haskins et al.
patent: 1094037 (1914-04-01), Tye
patent: 1171748 (1916-02-01), Normine
patent: 1180080 (1916-04-01), Rothe
patent: 2853955 (1958-09-01), Bishop et al.
patent: 4014269 (1977-03-01), Bedford

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