Switch device

Details Switch device Switch device

1990-03-27

1991-07-23

Scott, J. R.

Electricity: circuit makers and breakers

Multiple circuit control

Multiple switch

200 6A, H01H 900, H01H 1370, H01H 2504

Patent

active

050345729

ABSTRACT:
In a switch device in which four switches are operated by depression of four depressing surfaces which are defined by diagonal lines on a rectangular operating knob, the four switches comprise: four principal contact assemblies which are each arranged in such a manner as to be aligned with one of the depressing surfaces to form part of the switches, and each respective principal contact assembly is turned on when the corresponding depressing surface is depressed; and two common contact assemblies which are arranged at substantially opposite ends of one of the diagonal lines of the operating knob in such a manner that each of the two common contact assemblies is aligned with two adjacent ones of the depressing surfaces to form part of two adjacent switches, and each common contact assembly is turned on by depression of any one of the two adjacent depressing surfaces, which results in a switch device that is simple in construction and low in manufacturing cost.

REFERENCES:
patent: 4499342 (1985-02-01), Nakayama
patent: 4590338 (1986-05-01), Suzuki
patent: 4611102 (1986-09-01), Ishida
patent: 4698463 (1987-10-01), Tanaka et al.
patent: 4861950 (1989-08-01), Yanai et al.
patent: 4937402 (1990-06-01), Kyoden
patent: 4947461 (1990-08-01), Yoshioka et al.
patent: 4975547 (1990-12-01), Nakayama et al.

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