Spring structure for press type switch and press type switch...

Details Spring structure for press type switch and press type switch... Spring structure for press type switch and press type switch...

2008-01-30

2009-11-17

Friedhofer, Michael A (Department: 2833)

Electricity: circuit makers and breakers

Electric switch details

Actuators

C200S345000

Reexamination Certificate

active

07619175

ABSTRACT:
To provide a spring structure for a press type switch and a press type switch of an electronic timepiece capable of minimizing a variation among products with regard to a click feeling and an electronic timepiece having the same. A spring structure for a press type switch of an electronic timepiece includes a base portion fixed to a stationary supporter of the timepiece, a click feeling forming arm including first elastic arm portions extended from first base end portions integral with the base portion and capable of being deformed to bend elastically and first engaging projected portions formed at one sides of the first front end portions of the first elastic arm portions, and a press arm including second elastic arm portions extended to bend in an arc-like shape from second base end portions integral with the base portion and capable of being deformed to bend, a pressing projected portion projected to the first front end portion at a position of the second elastic arm portion opposed to the first front end portion of the click feeling forming arm and second engaging projected portions capable of being engaged with and disengaged from the first engaging projected portions.

REFERENCES:
patent: 4011422 (1977-03-01), Sanford et al.
patent: 7312789 (2007-12-01), Koike et al.
patent: 2002077678 (1990-03-01), None
patent: 59091632 (1994-06-01), None

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