Geometrical instruments
Patent
1978-11-27
1980-06-24
Lake, Roy
Geometrical instruments
339258R, H01R 3900
Patent
active
042092140
ABSTRACT:
A plurality of conductive rings are arranged projecting relatively to a fixed component. Such ring comprises two thin conductive circles separated by an electrically insulating material. Blades fixed to pins make sliding contact with the outer and inner circles. The blades are advantageously staggered relatively to one another. It is thus possible to obtain a very compact electrical contact device between two concentric members capable of undergoing relative rotation.
REFERENCES:
patent: 3216262 (1965-11-01), Swarts et al.
Jones DeWalden W.
Lake Roy
R.K.S.
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