Mechanical winding device for wristwatches and wristwatch...

Details Mechanical winding device for wristwatches and wristwatch... Mechanical winding device for wristwatches and wristwatch...

2008-05-30

2010-11-23

Miska, Vit W (Department: 2833)

Horology: time measuring systems or devices

Mechanical time base

Mainspring

C368S208000

Reexamination Certificate

active

07837381

ABSTRACT:
Automatic mechanical winding device for the driving spring of a mechanical clockwork of a wristwatch with an eccentric mass that can be swiveled on a joint, said mass having a center of mass that is radially offset from the axis of the joint, with gear means for converting the swivel or rotary motion of the eccentric mass into a motion that winds the driving spring.

REFERENCES:
patent: 3306025 (1967-02-01), Kocher
patent: 4500213 (1985-02-01), Grimm
patent: 6021098 (2000-02-01), Rebeaud
patent: 6485172 (2002-11-01), Takahashi et al.
patent: 7287901 (2007-10-01), Helfer et al.
patent: 7347618 (2008-03-01), Mojon et al.
patent: 7547136 (2009-06-01), Bravo et al.
patent: 2001/0005339 (2001-06-01), Hara et al.
patent: 2006/0239126 (2006-10-01), Mojon et al.

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