Multi-position electrical switch

Details Multi-position electrical switch Multi-position electrical switch

1989-03-03

1990-08-07

Scott, J. R.

Electricity: circuit makers and breakers

Multiple circuit control

Multiple switch

200 6A, 200513, 200515, 2003021, 2003023, H01H 900, H01H 1370

Patent

active

049474618

ABSTRACT:
A multiple electrical switch comprising a casing, a control knob supported on the top edge of the casing for tiltable movement in four directions, a retainer horizontally mounted within the casing and a conversion knob tiltably supported by the retainer and having an upper portion projecting through the central aperture of the control knob. Upper and lower base plates are disposed on respective opposite sides of the retainer, with each of the upper and lower base plates defining a printed circuit board and having a plurality of fixed connecting contacts. The switch further comprise an insulating elastic sheet having a central portion for covering the upper portion of the conversion knob and opposite side peripheral portions for covering respective top surfaces of the upper base plate and each portion including a swell including a movable connecting contact corresponding to a respective one of the plurality of fixed connecting contacts of the upper base plate.

REFERENCES:
patent: 4026048 (1977-05-01), Hill et al.
patent: 4611102 (1986-09-01), Ishida
patent: 4687200 (1987-08-01), Shirai
patent: 4861950 (1989-08-01), Yanai et al.
patent: 4866221 (1989-09-01), Obermann et al.

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