High speed trolley harp assembly

Details High speed trolley harp assembly High speed trolley harp assembly

1984-07-02

1986-01-28

Reeves, Robert B.

Electricity: transmission to vehicles

Collectors

Trolley

191 603, 191 605, B60L 508

Patent

active

045673357

ABSTRACT:
A high speed trolley harp assembly includes a rotatable portion at the upper end of a trolley pole with a shoe assembly held on a support structure which is pivotally connected to a lower body at the upper end of the pole. Elastomeric, resilient support cushions are held in the lower body protruding therefrom and contact the support structure to provide a cushioning effect to absorb shock, vibration and noise occurring at high speeds when the shoe assembly rides along an overhead conductor.

REFERENCES:
patent: 1028189 (1912-06-01), Coleman
patent: 1393939 (1921-10-01), Blaney et al.
patent: 1424717 (1922-08-01), Dorrance
patent: 1448474 (1923-03-01), Vollmuth
patent: 1777955 (1930-10-01), Blackhall
patent: 1786719 (1930-12-01), Dippman et al.
patent: 1893373 (1933-01-01), Matthes
patent: 2426150 (1947-08-01), Larsson
patent: 4225023 (1980-09-01), Bautz

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