Combined crown/pushbutton for illuminated analog watch

G - Physics – 04 – B

Patent

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Details

G04B 19/30 (2006.01) G04C 3/00 (2006.01)

Patent

CA 2212737

A combination crown and pushbutton for an illuminated analog watch having a manual actuator on the setting stem (12) external to the watchcase for pulling out the stem and manually rotating it to set the hands. The watch has an electroluminescent dial which lights up when a switch is closed. An axially elongated detent recess (32) in the stem allows the stem to move inward when the actuator is pushed. A spring switching arm (16) maintains the actuator in the normal run position and closes a switch (33, 34) when the actuator is pushed. Thus a separate pushbutton is not needed.

L'invention concerne une combinaison d'une couronne et d'un bouton-poussoir pour une montre analogique éclairée ayant un dispositif d'actionnement manuel sur la tige de réglage (12), qui est externe au boîtier et qui permet de tirer dehors la tige et de la tourner manuellement pour modifier l'heure. La montre a un cadran électroluminescent qui s'éclaire quand un commutateur est fermé. Un creux axial allongé (32) de positionnement de la tige permet à celle-ci de se déplacer vers l'intérieur quand le dispositif d'actionnement est poussé. Un bras de commutation élastique (16) maintient le dispositif d'actionnement dans la position de fonctionnement normale et ferme un commutateur (33, 34) quand le dispositif d'actionnement est poussé. Ainsi, on n'a pas besoin d'un bouton-poussoir individuel.

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