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Title:
DEVICE FOR WINDING UP A WATCH WITH SELF-WINDING MECHANISM
Document Type and Number:
WIPO Patent Application WO/2014/166719
Kind Code:
A3
Abstract:
Device (300) for winding automatic watches, comprising at least one electrical power supply means or an electric accumulator cell, and at least one support (301) acting as a receptacle for a watch, said receptacle support (301) comprising a bearing surface (302) intended to have the back of a watch resting against it. Said device (300) comprises means (310) of generating a magnetic and/or electrostatic field which means are placed in a fixed position underneath said bearing surface (302) and generate, at least in one angular sector (304) of a substantially annular emission zone (303) at least one magnetic and/or electrostatic field directed orthogonal to said bearing surface (302) and of intensity and/or direction that can vary as a function of time. Watch (200) comprising an automatic winding mechanism (10) with an oscillating mass (1) comprising a ferromagnetic internal first part and a peripheral second part made of heavy metal, and/or a paramagnetic conducting disc (20) coaxial with said oscillating mass (1).

Inventors:
WILLEMIN, Michel (Ch. des Alouettes 6, Prêles, CH-2515, CH)
BORN, Jean-Jacques (Rue Louis-de-Savoie 59, Morges, CH-1110, CH)
KLOPFENSTEIN, François (Rue de la Fenaison 20, Delémont, CH-2800, CH)
RAGOT, Patrick (Rue du Midi 4, Fontainemelon, CH-2052, CH)
Application Number:
EP2014/055662
Publication Date:
October 16, 2014
Filing Date:
March 20, 2014
Export Citation:
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Assignee:
THE SWATCH GROUP RESEARCH AND DEVELOPMENT LTD (Rue des Sors 3, Marin, CH-2074, CH)
International Classes:
G04D7/00; G04B5/16; G04B13/00; G04C1/00; G04C3/00
Foreign References:
US3058294A1962-10-16
EP2650735A22013-10-16
CH706352A22013-10-15
FR1242820A1960-10-07
FR2076082A11971-10-15
JP2010286428A2010-12-24
FR555777A1923-07-06
FR759771A1934-02-09
FR1546744A1968-11-22
Attorney, Agent or Firm:
GIRAUD, Eric (ICB Ingénieurs Conseils en Brevets SA, Fbg de l'Hôpital 3, Neuchâtel, CH-2001, CH)
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