Low resistance selector switch

Details Low resistance selector switch Low resistance selector switch

1978-05-22

1980-08-19

Scott, James R.

Electricity: circuit makers and breakers

Multiple circuit control

Pivoted contact

200 11DA, 200292, H01H 1958

Patent

active

042185939

ABSTRACT:
A selector switch of the type having a thumbwheel selector journalled for rotation in a frame for selecting any one of a plurality of interconnections among external circuits to be connected to electrical contacts mounted in the frame, the selector including a first part of dielectric material and a second part with a metallic electrically conductive material carried by the first part and having a pattern configured in accordance with a predetermined code, portions of the metallic electrically conductive material and the first part lying in a common contact surface so as to be contacted by various ones of the electrical contacts in different positions of the selector to connect and disconnect the contacts in accordance with the pattern of conductive material, thereby selectively closing and opening the interconnections among the external circuits.

REFERENCES:
patent: 2735907 (1956-02-01), Inman
patent: 2847523 (1958-08-01), Van Amelsfort
patent: 3089923 (1963-05-01), Wright
patent: 3261929 (1966-07-01), Neff, Jr.
patent: 3366751 (1968-01-01), Capellari
patent: 3558834 (1971-01-01), Zielke
patent: 3621162 (1971-11-01), Wall
patent: 3648002 (1972-03-01), DuRocher

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