Electric switch device on a printed circuit and watch comprising

Details Electric switch device on a printed circuit and watch comprising Electric switch device on a printed circuit and watch comprising

1997-09-30

1998-06-30

Miska, Vit W.

Horology: time measuring systems or devices

Crown or stem details

Switch or detent

368 88, G04C 1700

Patent

active

057744270

ABSTRACT:
An electric switch device (14) co-operating with a printed circuit (13) and closing perpendicular to such circuit when it is actuated by a pressure in a direction (A) parallel to the plane (16) of the circuit.
The switch comprises an elastic contact element (22) having a prominent portion (25) which receives the pressure from a push-button (4) in a direction (A) parallel to the printed circuit. At least one flexible leg (28) of the contact element is fixed to the printed circuit or close to the latter. Another leg (26) of this contact element carries at its end a contact portion (27) which is lowered onto a pad of the circuit when the contact element bends under the effect of the control pressure.

REFERENCES:
patent: 3874162 (1975-04-01), Boxberger et al.
patent: 4144428 (1979-03-01), Voegelin
patent: 4509867 (1985-04-01), Cleusix et al.
patent: 4536095 (1985-08-01), Wuthrich et al.
patent: 4538040 (1985-08-01), Ronemus et al.
patent: 5339297 (1994-08-01), Suzuki et al.

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