Electricity: transmission to vehicles – Sectional conductor – Normally dead section
Patent
1977-11-01
1979-09-25
Eisenzopf, Reinhard J.
Electricity: transmission to vehicles
Sectional conductor
Normally dead section
191 20, B60M 108
Patent
active
041687698
ABSTRACT:
An electric current collection system comprises a continuously live conductor, a shield enclosing the continuously live conductor, and contact segments extending through the shield in a row extending along the length of the continuously live conductor and resiliently mounted so as normally to be electrically isolated from the continuously live conductor and from each other but adapted to co-operate with a current collecting device running along the row to make electrical contact with an external contact surface of each segment in succession and displace the segment to bring an internal contact surface afforded by it into electrical connection with an internal contact surface afforded by the continuous live conductor. Each segment includes a bar portion affording an internal contact surface and extending through the shield in a direction substantially perpendicular to the length of the live conductor and to the direction of displacement of the segment. The contact segments may be of generally Z shape, or may be straight bars extending through the walls of the shield for engagement by a current collector in the form of a sprocket wheel which may also provide a rack and pinion drive.
REFERENCES:
patent: 484924 (1892-10-01), Sutton
patent: 484924 (1892-10-01), Sutton
patent: 504104 (1893-08-01), Conklin
patent: 528494 (1874-10-01), Stearns
patent: 554450 (1896-02-01), Merkle
patent: 575303 (1897-01-01), Lomb
patent: 3830989 (1974-08-01), Laurent
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