Electricity: circuit makers and breakers – Multiple circuit control – Pivoted contact
Patent
1998-04-20
1999-03-23
Friedhofer, Michael A.
Electricity: circuit makers and breakers
Multiple circuit control
Pivoted contact
200 4, 200 18, H01H 1920
Patent
active
058863109
ABSTRACT:
Revolving contact-points board (2) is provided with a ring contact-point (8) sand a radial contact-point (9) on the bottom surface, while fitting substrate (1) is provided with an elastic contact-point 11 for switch and elastic contact-points (13, 14) for revolution signal. Underneath the fitting substrate (1), a sliding plate (7) made of an elastic metal sheet is provided for regulating the movement in horizontal direction of the revolving contact-points board 2. With a push of the round operation knob (3) fixed on the revolving contact-points board (2) in the horizontal direction, the ring contact-point (8) makes contact with the contact-point (11) to generate a switch signal. With a revolution of the operation knob (3), the radial contact-point (9) makes contact with the contact-points (13, 14) to generate a pulse signal.
REFERENCES:
patent: 4107500 (1978-08-01), Distler et al.
patent: 5180050 (1993-01-01), Rada et al.
patent: 5593023 (1997-01-01), Kaizaki et al.
patent: 5613600 (1997-03-01), Yokoji et al.
patent: 5705778 (1998-01-01), Matsui et al.
patent: 5711415 (1998-01-01), Fukuda et al.
Fukuda Tetsuya
Kataoka Kenji
Sato Jun
Friedhofer Michael A.
Matsushita Electric - Industrial Co., Ltd.
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