Electricity: electrical systems and devices – Electrostatic capacitors – Variable
Patent
1983-09-19
1984-10-16
Griffin, Donald A.
Electricity: electrical systems and devices
Electrostatic capacitors
Variable
H01G 506
Patent
active
044778597
ABSTRACT:
A rotary electric component comprising a support structure made of synthetic resin, at least one first elongated electric terminal member made of electroconductive material and having one end positioned exteriorly of the support structure for the electric connection with an external circuit element, a rotor, and a second elongated electric terminal member made of electroconductive material and having one end positioned exteriorly of the support structure for the electric connection with an external circuit element. The second terminal member is supported by the support structure in the form as partially embedded in the support structure and has the other end formed into a tubular shaft for the support of the rotor for rotation thereabout. The shaft integral with the second terminal member is formed by the use of any known metal drawing technique and has a closed end at the tip thereof opposite to the second terminal member. The closed end of the shaft is, after the rotor has been mounted thereon for rotation thereabout relative to the support structure, rivetted or battered so as to expand radially outwardly to a diameter greater than the mounting hole in the rotor through which the shaft extends.
REFERENCES:
patent: 3246217 (1966-04-01), Wambach
patent: 3258665 (1966-06-01), Sperry
patent: 4220980 (1980-09-01), Yamamoto et al.
Griffin Donald A.
Murata Manufacturing Co. Ltd.
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