Trolley rail assembly

Details Trolley rail assembly Trolley rail assembly

1976-05-25

1977-09-27

Blix, Trygve M.

Electricity: transmission to vehicles

Conductors

Conduit

191 25, 191 33R, 174 97, 339 22T, B60M 134

Patent

active

040505553

ABSTRACT:
An extruded plastic housing of indefinite length contains an electrical conductor bar in a slot extending lengthwise of the housing. The bar is retained in the slot by a pair of ribs integral with the side walls of the slot and extending lengthwise thereof and projecting toward each other. The width of the bar is greater than the space between the ribs, but the housing is so formed that in assembling it and the bar the distance between the ribs can be increased temporarily by pressure of the bar against them to permit it to be moved rearwardly past the ribs, whereby the bar can be inserted from the front or outer side of the slot, thus permitting the use of a single conductor bar regardless of the number of housing units that may be disposed end to end to form the housing.

REFERENCES:
patent: 2495526 (1950-01-01), King
patent: 3303293 (1967-02-01), Howell
patent: 3590173 (1971-06-01), Stahmer
patent: 3772482 (1973-11-01), Ross
patent: 3825672 (1974-07-01), Malon
patent: 3826880 (1974-07-01), Ross

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