Electricity: circuit makers and breakers – Multiple circuit control – Pivoted contact
Patent
1983-07-08
1985-02-05
Pellinen, A. D.
Electricity: circuit makers and breakers
Multiple circuit control
Pivoted contact
200307, H01H 1908
Patent
active
044979843
ABSTRACT:
A rotary switch assembly comprises dielectric housing members stacked together, each of the housing members having electrical brush contact members extending into a cavity formed between pairs of housing members. A printed circuit board is disposed in each cavity and has a profiled opening mounting the printed circuit board on a corresponding profiled section of a shaft for rotating the printed circuit boards relative to their respective brush contact members to selected positions for electrical engagement on a selected electrical circuit on the printed circuit boards. Bushing members are located on the printed circuit boards and have profiled bores substantially in coincidence with the profiled openings in the printed circuit boards increasing the area of engagement on the shaft for rotating and accurately positioning the printed circuit boards relative to the brush contact members and adjacent bushing members engage one another to accurately position the printed circuit boards in their respective cavities.
REFERENCES:
patent: 3254164 (1966-05-01), Lewandowski
patent: 3268674 (1966-08-01), Golbeck et al.
patent: 3736390 (1973-05-01), Lockard
patent: 4032730 (1977-06-01), Golbeck et al.
patent: 4379955 (1983-04-01), Comerford
Davis, "Wafer Switch" IBM Tech. Disclosure Bulletin, vol. 18, No. 10, 3/76--pp. 3405-3406.
Ashman John J.
Rupnik David W.
AMP Incorporated
Ginsburg Morris
LaRue Adrian J.
Pellinen A. D.
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