Dual function pusher and rotate switch for solid state digital w

Details Dual function pusher and rotate switch for solid state digital w Dual function pusher and rotate switch for solid state digital w

1976-01-14

1977-06-21

Scott, James R.

Electricity: circuit makers and breakers

Special application

58 33, 58 34, 58 50R, 58 855, 58 90B, 200 4, 200159R, G04C 900, G04B 2700, H01H 1352

Patent

active

040313417

ABSTRACT:
A dual function pusher and rotate switch assembly for actuating, for example, a display light and/or time correction which includes a crown portion on the outside of the watch case and a shaft portion extending through the wall of the case. The shaft portion includes an intermediate section on the inside of the case which cooperates with a spring to provide a two position rotary detent action.
In addition to permitting detent holding of the stem in the proper contact position, the spring arrangement also enables biased axial movement of the stem. The internal end of the shaft includes an eccentric tab which contacts a precisely positioned first switch blade when the stem being in a first detent position is pushed-in or contacts a second switch blade if the crown is rotated to a second detent position. If the crown is pushed-in while in the second detent position, both switch blades are engaged causing actuation of two functions such as causing simultaneous illumination and updating of the display.

REFERENCES:
patent: 3526088 (1970-09-01), Meitinger
patent: 3783607 (1974-01-01), Feurer
patent: 3874162 (1975-04-01), Boxberger et al.
patent: 3877217 (1975-04-01), Hochstrate
patent: 3952176 (1976-04-01), Holder et al.
patent: 3974351 (1976-08-01), Solov et al.
patent: 3975897 (1976-08-01), Naito
patent: 3978296 (1976-08-01), Moriya et al.

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