Electrical switch having selective coding capability

Details Electrical switch having selective coding capability Electrical switch having selective coding capability

1983-05-02

1984-08-07

Marcus, Stephen

Electricity: circuit makers and breakers

Pattern-sheet controlled

200 44, 200283, 200153LA, 200 51R, H01H 2700

Patent

active

044645503

ABSTRACT:
An electrical switch for use as a coding device comprises a plurality of pairs of associated contacts (2, 3) carried in a circular array by a base (1) and enclosed by a cover (5), and a coding key (11) receivable in holes (20, 21) in the base (1) and cover (5) and having removable actuator surfaces (32) the presence or absence of each of which determines the closed or open state of an associated pair of contacts (2, 3).

REFERENCES:
patent: 1526516 (1925-02-01), Vives
patent: 1752770 (1930-04-01), Armstrong
patent: 2545395 (1951-03-01), Tobin
patent: 3564169 (1971-02-01), Sitz et al.
patent: 3957334 (1976-05-01), Pass et al.
patent: 4277663 (1981-07-01), Soes
patent: 4319102 (1982-03-01), Van Cleave et al.
patent: 4371759 (1983-02-01), Clark, Jr.

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