Multiple push-switch apparatus having flexible element preventin

Details Multiple push-switch apparatus having flexible element preventin Multiple push-switch apparatus having flexible element preventin

1976-05-24

1978-02-14

Scott, James R.

Electricity: circuit makers and breakers

Multiple circuit control

Multiple switch

200 50C, 200 67DA, 200 76, 74483PB, H01H 926

Patent

active

040740897

ABSTRACT:
The present invention relates to a multiple push-switch apparatus comprising an exclusion mechanism which includes a plurality of slidably supported operation bodies and a flexible body, any one of said plurality of operation bodies being able to move by means of said flexible body, and a plurality of electric switches which are driven by said plurality of operation bodies, respectively. In addition, there is provided a multiple push-switch apparatus especially suitable as a station selecting apparatus for a television receiver. The apparatus can be operated by the use of a soft touch, permits the employment of various operation body arrangements, and prevents simultaneous operation of a plurality of electric switches by mistake.

REFERENCES:
patent: 1870304 (1932-08-01), Wentzel
patent: 1947157 (1934-02-01), Harris
patent: 2721487 (1955-10-01), Morey et al.
patent: 3109587 (1963-11-01), Rooks et al.
patent: 3183315 (1965-05-01), Kiely
patent: 3268673 (1966-08-01), Bilek
patent: 3306998 (1967-02-01), Russell
patent: 3388226 (1968-06-01), Willcox
patent: 3746802 (1973-07-01), Sandi et al.
IBM Technical Disclosure Bulletin, "Hydraulically Controlled Keyboard Interlock Mechanism"; Easton, R.C.; vol. 14, No. 8, Jan. 1972, p. 2540.

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