Collector head for trolley cars

Details Collector head for trolley cars Collector head for trolley cars

1978-11-08

1980-09-30

Schacher, Richard A.

Electricity: transmission to vehicles

Collectors

Trolley

191 601, 191 603, B60L 506

Patent

active

042250234

ABSTRACT:
A collector head for collecting current from an overhead wire for a trolley car is disclosed having a contact shoe which is pivotable about the longitudinal axis of the overhead wire. The collector head includes a base which is mounted on a shaft extending from the trolley car such that the head is rotatable about the axis of the shaft. The collector head also includes a contact shoe holder for holding the contact shoe. Arms pivotably connect the base to the contact shoe holder in a trapezoidal configuration. The joints at which the arms are connected to the base and to the contact shoe holder have axes of rotation parallel to a longitudinal axis of the contact shoe. A resilient element is disposed between the base and the contact shoe holder. As the contact shoe holder is moved laterally with respect to the overhead wire the contact shoe pivots about the longitudinal axis of the overhead wire, and the lateral forces which tend to unseat the overhead wire from the contact shoe are opposed by a restoring force supplied by the resilient element.

REFERENCES:
patent: 1269037 (1918-06-01), Yirava
patent: 1592333 (1926-07-01), Bower
patent: 1893373 (1933-01-01), Matthes
patent: 2481194 (1949-09-01), Bubb
patent: 2512329 (1950-06-01), Heinemann
patent: 2700705 (1955-01-01), Anjeskey
patent: 4108288 (1978-08-01), Manabe
patent: 4155435 (1979-05-01), Kimura

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