Push button switch with sliding contact member

Details Push button switch with sliding contact member Push button switch with sliding contact member

1986-07-02

1987-06-23

Marcus, Stephen

Electricity: circuit makers and breakers

Electric switch details

Contact

200 16F, 200157A, 200282, 200163, 200340, H01H 142

Patent

active

046754865

ABSTRACT:
A compact pushbutton switch comprises a housing in which three chambers are formed and connected by a common contact member. A fixed contact, a nonconducting member forming a continuation to the fixed contact, a slider movable along both the fixed contact and the nonconducting member, a movable contact fixed to the slider, a control pushbutton mounted to the slider, and a coiled spring are mounted in each of the chambers. The spring is made of an electrically conductive material, and interposed between the common contact member and the movable contact to bias the movable contact out of contact with the fixed contact. When no control pushbuttons are depressed, each spring acts to hold the movable contact out of electrical connection with the fixed contact. When any one of the pushbuttons is depressed, the corresponding spring serves to establish an electrical connection between the corresponding movable contact and fixed contact by its electrical conductive property.

REFERENCES:
patent: 1448058 (1923-03-01), Eis et al.
patent: 1636678 (1927-07-01), Benson
patent: 2326942 (1943-08-01), Hetherington
patent: 4016377 (1977-04-01), Iwasaki
patent: 4086546 (1978-04-01), Fulp et al.
patent: 4187417 (1980-02-01), Zehel et al.
patent: 4209682 (1980-06-01), Rood
patent: 4291210 (1981-09-01), Wolber et al.
patent: 4313685 (1982-02-01), Stahl et al.
patent: 4393283 (1982-07-01), Masuda
patent: 4488018 (1984-12-01), Hayashida

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