Foldable membrane switch with fold remote from contact-carrying

Details Foldable membrane switch with fold remote from contact-carrying Foldable membrane switch with fold remote from contact-carrying

1985-07-29

1986-11-18

Marcus, Stephen

Electricity: circuit makers and breakers

Liquid contact

Time delay

200 5A, 339 17F, H01H 900

Patent

active

046237682

ABSTRACT:
Folded membrane switches (20, 50, 70) formed from foldable blanks (21, 51, 71) including two spaced contact-carrying panels (22,23) connected by an intermediate third panel (24). The blanks (21, 51, 71) are folded along the third panel (24) to position contacts (25, 27) on the contact-carrying panels (22,23) in alignment with one another, with a spacer layer (35, 61, 76) positioned therebetween to maintain the contacts (25, 27) in a normally separated or off condition. Part of the intermediate third panel (24) may be slit to define a tail (32, 58) or a tail (72) may extend from one of the contact-carrying panels (22, 23), the tail being used to connect the switch to external circuitry.

REFERENCES:
patent: 4066851 (1978-01-01), White et al.
patent: 4485279 (1984-11-01), Nakamura
patent: 4495546 (1985-01-01), Nakamura et al.
Allan, Composite Switch and Cable, IBM Technical Disclosure Bulletin, Sep. 1984--pp. 2378-2379.

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