Geometrical instruments
Patent
1976-10-29
1978-02-21
Lake, Roy
Geometrical instruments
191 22R, 191 57, 339182R, B60L 536, B60M 130
Patent
active
040749240
ABSTRACT:
An electrical contact system that comprises a power bed consisting of a base plate having electrically conducting layers insulated from each other. Embossments are formed on the base plate. Each embossment is spaced from its neighbors so that channels are formed between the embossments. Electrical contacts join parts of each channel with corresponding, electrically conducting layers in the channels. Electrical contacts are provided so that electricity can be supplied to the electrically conducting layers of the base plate. A collector having electrical contacts to contact the electrical contacts of the channels is movable along the channels.
REFERENCES:
patent: 782311 (1905-02-01), Zalinski
patent: 2703868 (1955-03-01), Rausenberger
patent: 2735079 (1956-02-01), Passarelli
patent: 3166370 (1965-01-01), Parker
Abrams Neil
Lake Roy
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