Switching device

Details Switching device Switching device

1990-07-10

1992-06-02

Recla, Henry J.

Electricity: circuit makers and breakers

Solid contact

Push button operated

200250, 200295, H01H 1314, H01H 114

Patent

active

051189127

ABSTRACT:
A switching device having an operation button member to be depressed includes at least one contact member to be moved by the operation button member when the operation button member is depressed. The contact member is electrically conductive and a conductive member for contacting the contact member when the operation button member is depressed by a predetermined amount is provided. An elastic member is arranged opposite to the at least one contact member with respect to the conductive member, so as to be elastically deformed when the operation button member is depressed, after the contact member has contacted the conductive member.

REFERENCES:
patent: 3982089 (1974-11-01), Hyltin
patent: 4068369 (1978-01-01), Kaminski
patent: 4164634 (1979-08-01), Gilano
patent: 4349712 (1982-09-01), Michalski
patent: 4375585 (1983-03-01), Lee
patent: 4445757 (1984-05-01), Enomoto et al.
patent: 4540865 (1985-09-01), Calder
patent: 4659881 (1987-04-01), Dowe
patent: 4767943 (1988-08-01), Alder et al.
patent: 4771139 (1988-09-01), DeSmet
patent: 4918264 (1990-04-01), Yamamoto et al.
Johnson, Jr., D. O., Keyboard and Wiping Contact Assembly, IBM Technical Disclosure Bulletin, vol. 13, No. 7, Dec. 1970.

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