Push-button control device for a watch

Details Push-button control device for a watch Push-button control device for a watch

2011-06-28

2011-06-28

Miska, Vit W (Department: 2833)

Horology: time measuring systems or devices

Cases

With crown or stem details

C368S319000

Reexamination Certificate

active

07967504

ABSTRACT:
The push-button control device for a watch includes a push-button stem (28) inserted via a bottom end into an orifice (22, 23) of a watchcase and a button (29) mounted on a top part (28a) of the stem (28) outside the watchcase. The stem can slide axially between a rest position and an active position against a return member (35) to control at least one function of the watch. The control device is characterized in that the top part (28a) of the stem includes an annular groove delimited by two parallel shoulders (44, 46) perpendicular to the axis of the stem, and in that the button (29) includes an annular base (27) that is engaged in the groove so as to be held between the two shoulders (44, 46) in the axial direction and centred with some play by the bottom of the groove such that the button (29) is free to move off-centre relative to the axis of the stem (28) while remaining secured thereto.

REFERENCES:
patent: 5521890 (1996-05-01), Miche et al.
patent: 6137750 (2000-10-01), Rieben
patent: 7192182 (2007-03-01), Hiranuma et al.
patent: 2008/0008053 (2008-01-01), Zimmermann
patent: 0 655 664 (1995-05-01), None
patent: 1 102 136 (2001-05-01), None
Search Report issued in corresponding application No. EP 08 15 3922, completed Dec. 16, 2008.

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