CH648176GA3 - - Google Patents

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Publication number
CH648176GA3
CH648176GA3 CH706981A CH706981A CH648176GA3 CH 648176G A3 CH648176G A3 CH 648176GA3 CH 706981 A CH706981 A CH 706981A CH 706981 A CH706981 A CH 706981A CH 648176G A3 CH648176G A3 CH 648176GA3
Authority
CH
Switzerland
Prior art keywords
disk
driving
transmission wheel
pinion
wheel
Prior art date
Application number
CH706981A
Other languages
French (fr)
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 filed Critical
Priority to CH706981A priority Critical patent/CH648176GA3/fr
Priority to US06/421,388 priority patent/US4478522A/en
Priority to EP82810435A priority patent/EP0079301B1/en
Priority to DE8282810435T priority patent/DE3270886D1/en
Priority to JP57193550A priority patent/JPS5886477A/en
Publication of CH648176GA3 publication Critical patent/CH648176GA3/fr
Priority to HK295/88A priority patent/HK29588A/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
    • G04B19/00—Indicating the time by visual means
    • G04B19/24—Clocks or watches with date or week-day indicators, i.e. calendar clocks or watches; Clockwork calendars
    • G04B19/243—Clocks or watches with date or week-day indicators, i.e. calendar clocks or watches; Clockwork calendars characterised by the shape of the date indicator
    • G04B19/247—Clocks or watches with date or week-day indicators, i.e. calendar clocks or watches; Clockwork calendars characterised by the shape of the date indicator disc-shaped
    • G04B19/253—Driving or releasing mechanisms
    • G04B19/25333—Driving or releasing mechanisms wherein the date indicators are driven or released mechanically by a clockwork movement
    • G04B19/25353—Driving or releasing mechanisms wherein the date indicators are driven or released mechanically by a clockwork movement driven or released stepwise by the clockwork movement
    • 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
    • G04B13/00—Gearwork
    • G04B13/002—Gearwork where rotation in one direction is changed into a stepping movement

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Electromechanical Clocks (AREA)
  • Ultra Sonic Daignosis Equipment (AREA)
  • Supply And Installment Of Electrical Components (AREA)
  • Vending Machines For Individual Products (AREA)
  • Gears, Cams (AREA)
  • Portable Nailing Machines And Staplers (AREA)
  • Steering Controls (AREA)

Abstract

The driving mechanism of the day of the month disk (18) comprises a driving wheel (14) and a transmission wheel (16) The driving wheel (14) comprises a toothed sector (26'a, 26'a) which can mesh with the pinion (44) of the transmission wheel (16) and peripheral wall surface (26'a) into which open the two ends (30' and 30'') of an arcuate groove (30). The transmission wheel (16) also comprises a member constituted by four arms (48a to 48d) carrying four studs (50a and 50d) which can enter the groove (30) and a pinion (52) which meshes with the disk (18). Outside the driving phases, two of the studs abut against the peripheral wall surface (26'b) in order to lock the disk (18). This mechanism provides for a low torque which enables the energy to be applied to the motor of the watch to be reduced.
CH706981A 1981-11-05 1981-11-05 CH648176GA3 (en)

Priority Applications (6)

Application Number Priority Date Filing Date Title
CH706981A CH648176GA3 (en) 1981-11-05 1981-11-05
US06/421,388 US4478522A (en) 1981-11-05 1982-09-22 Device for rotationally driving a member intermittently
EP82810435A EP0079301B1 (en) 1981-11-05 1982-10-21 Drive device for intermittently rotating a component part
DE8282810435T DE3270886D1 (en) 1981-11-05 1982-10-21 Drive device for intermittently rotating a component part
JP57193550A JPS5886477A (en) 1981-11-05 1982-11-05 Device for intermittently turning and driving member to be driven
HK295/88A HK29588A (en) 1981-11-05 1988-04-21 Drive device for intermittently rotating a component part

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH706981A CH648176GA3 (en) 1981-11-05 1981-11-05

Publications (1)

Publication Number Publication Date
CH648176GA3 true CH648176GA3 (en) 1985-03-15

Family

ID=4319441

Family Applications (1)

Application Number Title Priority Date Filing Date
CH706981A CH648176GA3 (en) 1981-11-05 1981-11-05

Country Status (6)

Country Link
US (1) US4478522A (en)
EP (1) EP0079301B1 (en)
JP (1) JPS5886477A (en)
CH (1) CH648176GA3 (en)
DE (1) DE3270886D1 (en)
HK (1) HK29588A (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH661171GA3 (en) * 1985-09-27 1987-07-15
SG102647A1 (en) * 2000-12-22 2004-03-26 Ebauchesfabrik Eta Ag Timepiece provided with a date having a large aperture

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH4205A (en) * 1891-10-10 1892-03-31 Morris Schoenfeld Automatic stitch determination mechanism for embroidery machines
CH538136A (en) * 1971-02-05 1973-07-31 Suisse Horlogerie Date mechanism for timepiece
US3738097A (en) * 1971-07-12 1973-06-12 Omega Brandt & Freres Sa Louis Mechanism for driving and correcting a data disc in a day-date timepiece
CH574125B5 (en) * 1972-04-05 1976-03-31 Suisse Horlogerie
CH340575A4 (en) * 1975-03-18 1977-02-28
CH561175A4 (en) * 1975-05-01 1977-04-29
JPS54112677A (en) * 1978-02-22 1979-09-03 Seiko Epson Corp Calendar watch
JPS554552A (en) * 1978-06-27 1980-01-14 Seiko Instr & Electronics Ltd Date feed mechanism of watch
US4240249A (en) * 1979-03-05 1980-12-23 Kruglov Gennady A Instantaneous calendar device for timepieces

Also Published As

Publication number Publication date
EP0079301A1 (en) 1983-05-18
EP0079301B1 (en) 1986-04-30
JPH0337150B2 (en) 1991-06-04
HK29588A (en) 1988-04-29
US4478522A (en) 1984-10-23
DE3270886D1 (en) 1986-06-12
JPS5886477A (en) 1983-05-24

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