Switch mechanism for wristwatch

Details Switch mechanism for wristwatch Switch mechanism for wristwatch

1977-11-30

1979-10-09

Truhe, J. V.

Electricity: circuit makers and breakers

Multiple circuit control

Pivoted contact

200159B, 200302, 200DIG25, G04C 300

Patent

active

041701046

ABSTRACT:
A switch mechanism for a wristwatch having a case and a substrate mounted in the case, which comprises conductive contact means disposed on the substrate to be in registration with a switch position of the switch mechanism, stepped bore means provided in alignment with the contact means, a diaphragm assembly including a flange, an embossed portion integral with the flange, and a contact element provided on a bottom wall of the embossed portion to be in alignment with the contact means, pressure ring means for compressing the flange to retain the diaphragm assembly in place while providing a water-tight sealing effect, and push-button means disposed in the stepped bore means and normally engaging the embossed portion of the diaphragm assembly, said push-button means being movable to press the embossed portion and the contact element toward the contact means to close the switch mechanism when the push-button means is depressed.

REFERENCES:
patent: 3767875 (1973-10-01), Schniekart
patent: 4007347 (1977-02-01), Haber
patent: 4031341 (1977-06-01), Wuthrich

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