ATE402430T1 - POWER RESERVE INDICATOR FOR A MECHANICAL WATCH - Google Patents

POWER RESERVE INDICATOR FOR A MECHANICAL WATCH

Info

Publication number
ATE402430T1
ATE402430T1 AT04405403T AT04405403T ATE402430T1 AT E402430 T1 ATE402430 T1 AT E402430T1 AT 04405403 T AT04405403 T AT 04405403T AT 04405403 T AT04405403 T AT 04405403T AT E402430 T1 ATE402430 T1 AT E402430T1
Authority
AT
Austria
Prior art keywords
display unit
power reserve
ratchet
wheel
mechanical watch
Prior art date
Application number
AT04405403T
Other languages
German (de)
Inventor
Laurent Besse
Hugo Lopez
Original Assignee
Watch U Licence Ag
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Watch U Licence Ag filed Critical Watch U Licence Ag
Application granted granted Critical
Publication of ATE402430T1 publication Critical patent/ATE402430T1/en

Links

Classifications

    • G—PHYSICS
    • G04—HOROLOGY
    • G04B—MECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
    • G04B9/00—Supervision of the state of winding, e.g. indicating the amount of winding
    • G04B9/005—Supervision of the state of winding, e.g. indicating the amount of winding by optical indication of the amount of winding

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Measurement Of Distances Traversed On The Ground (AREA)
  • Electric Clocks (AREA)
  • Electromechanical Clocks (AREA)

Abstract

The mechanism has a differential gear (16) with an output ratchet (18) driven in two directions during winding and unwinding of a mainspring. Two display units are coupled to the ratchet and are terminated by needles (32a, 32b). Each display unit is moved successively by a counting wheel (21), which is driven by the ratchet, to respectively indicate lower and upper fractions of a power reserve of the mainspring. One of the display units is constituted by a friction wheel (24), a pinion (25), a setting wheel (26) and a rotating display unit (27), and the other display unit is constituted by an intermediate wheel (28), a pinion (29) and a rotating display unit (30).
AT04405403T 2004-07-01 2004-07-01 POWER RESERVE INDICATOR FOR A MECHANICAL WATCH ATE402430T1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP04405403A EP1612625B1 (en) 2004-07-01 2004-07-01 Power reserve indicator for a mechanical timepiece

Publications (1)

Publication Number Publication Date
ATE402430T1 true ATE402430T1 (en) 2008-08-15

Family

ID=34932171

Family Applications (1)

Application Number Title Priority Date Filing Date
AT04405403T ATE402430T1 (en) 2004-07-01 2004-07-01 POWER RESERVE INDICATOR FOR A MECHANICAL WATCH

Country Status (4)

Country Link
EP (1) EP1612625B1 (en)
AT (1) ATE402430T1 (en)
DE (1) DE602004015267D1 (en)
WO (1) WO2006013120A1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH711005B1 (en) * 2015-04-30 2019-02-15 Vaucher Mft Fleurier S A Timepiece comprising a power reserve indication device.
EP4057080A1 (en) * 2021-03-09 2022-09-14 ETA SA Manufacture Horlogère Suisse Device for timepiece display on several mobiles

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH685963B5 (en) * 1993-11-25 1996-05-31 Nouvelle L Mania S A Piece of mechanical watchmaking indication of the power reserve.
EP0851320B1 (en) * 1996-12-20 2000-08-02 Asulab S.A. Timepiece driven by mechanical means and with reserve power indicating system

Also Published As

Publication number Publication date
WO2006013120A1 (en) 2006-02-09
DE602004015267D1 (en) 2008-09-04
EP1612625B1 (en) 2008-07-23
EP1612625A1 (en) 2006-01-04

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Legal Events

Date Code Title Description
RER Ceased as to paragraph 5 lit. 3 law introducing patent treaties