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Patent Searching and Data


Title:
BARREL SYSTEM FOR A TIMEPIECE
Document Type and Number:
WIPO Patent Application WO/2015/063338
Kind Code:
A3
Abstract:
The invention relates to a barrel system (1) for a timepiece, including: a supporting pin (9); a barrel (2, 4) comprising a drum (2) closed by a barrel bottom (4), the barrel housing a mainspring, an outer end of the mainspring being connected to the drum (2); a barrel pin (11) in the form of an hour wheel located in the barrel (2, 4) and surrounding the supporting pin (9), an inner end of said mainspring being connected to the barrel pin (11). According to the invention, the barrel system (1) also includes a rotation transmission pin (12) arranged such as to transmit a rotation motion of said drum (2) to a clockwork element, the rotation transmission pin (12) being in the form of an hour wheel surrounding the supporting pin (9) and being surrounded by the barrel pin (11), the rotation transmission pin (9) being rotatably secured to the drum (2).

Inventors:
CANDAUX, David (Rue du Village 24, Le Solliat, CH-1347, CH)
Application Number:
EP2014/073729
Publication Date:
May 07, 2015
Filing Date:
November 04, 2014
Export Citation:
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Assignee:
CHRONOMETRIE FERDINAND BERTHOUD SA (Rue des Moulins 20, Fleurier, CH-2114, CH)
International Classes:
G04B1/16
Foreign References:
US3129556A1964-04-21
FR2298815A11976-08-20
CH49154A1911-01-16
FR961913A1950-05-25
CH343891A1959-12-31
CH262840A1949-07-31
Attorney, Agent or Firm:
BURNS, Michael (Avenue Edouard-Dubois 20, Neuch√Ętel, CH-2000, CH)
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