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GB1373838A - Calendar correction mechanism for a timepiece - Google Patents

Calendar correction mechanism for a timepiece

Info

Publication number
GB1373838A
GB1373838A GB730872A GB730872A GB1373838A GB 1373838 A GB1373838 A GB 1373838A GB 730872 A GB730872 A GB 730872A GB 730872 A GB730872 A GB 730872A GB 1373838 A GB1373838 A GB 1373838A
Authority
GB
United Kingdom
Prior art keywords
date
correction
teeth
day
calendar
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
GB730872A
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Citizen Watch Co Ltd
Original Assignee
Citizen Watch Co Ltd
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 Citizen Watch Co Ltd filed Critical Citizen Watch Co Ltd
Publication of GB1373838A publication Critical patent/GB1373838A/en
Expired legal-status Critical Current

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
    • G04B19/25—Devices for setting the date indicators manually

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Electromechanical Clocks (AREA)

Abstract

1373838 Date indicating CITIZEN WATCH Co Ltd 17 Feb 1972 [17 Feb 1971] 7308/72 Heading G3T A calendar correction mechanism for a timepiece operates when a winding stem 2 is in a correcting axial position to change the date when rotated in direction A, Fig. 4, and the day when rotated in a direction B, Fig. 5. Date correction is effected Fig. 4, by teeth 7b' of a wheel coupled to the stem 2 engaging a portion 18e of a pawl member 18 to rotate it against the action of an arm 18d. The teeth 13a of a date dial 13 are moved by a pawl member 18b to commence a date change which is completed by the action of a jumper lever 16a. Day correction is effected Fig. 5, by teeth 7b' rotating a member 18 to cause a pawl 18c to initiate a step by a day star-wheel 15a which is completed by a jumper lever 16b. In an alternative arrangement, for use with a two-language calendar facilities are provided by language selection and corresponding half-step correction.
GB730872A 1971-02-17 1972-02-17 Calendar correction mechanism for a timepiece Expired GB1373838A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1971008285U JPS5149971Y2 (en) 1971-02-17 1971-02-17

Publications (1)

Publication Number Publication Date
GB1373838A true GB1373838A (en) 1974-11-13

Family

ID=11688893

Family Applications (1)

Application Number Title Priority Date Filing Date
GB730872A Expired GB1373838A (en) 1971-02-17 1972-02-17 Calendar correction mechanism for a timepiece

Country Status (5)

Country Link
US (1) US3732687A (en)
JP (1) JPS5149971Y2 (en)
CH (2) CH556563A (en)
DE (1) DE2207513A1 (en)
GB (1) GB1373838A (en)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5538635B2 (en) * 1972-08-26 1980-10-06
JPS56752B2 (en) * 1972-12-27 1981-01-09
US3824901A (en) * 1973-01-18 1974-07-23 Shafer Valve Co Spring return for piston operator
JPS5529110Y2 (en) * 1973-08-30 1980-07-11
JPS5114365A (en) * 1974-07-26 1976-02-04 Seiko Instr & Electronics Udedokeino karendaashuseikiko
JPS563676Y2 (en) * 1974-10-18 1981-01-27
CH634575A4 (en) * 1975-05-16 1977-07-29
JPS5616549Y2 (en) * 1975-11-27 1981-04-17
JPS6013153B2 (en) * 1976-12-03 1985-04-05 シチズン時計株式会社 Electronic clock with calendar
JPS5517473A (en) * 1978-07-25 1980-02-06 Seiko Instr & Electronics Ltd Retaining construction of calendar display wheel for watch
US4291397A (en) * 1979-10-15 1981-09-22 Timex Corporation Manual date advance mechanism for a watch
CH682285B5 (en) * 1991-12-20 1994-02-28 Ebauchesfabrik Eta Ag Timepiece of the mechanical or electromechanical type comprising a drive wheel driving at least a display device such as a display of dates.
JP3081992B2 (en) * 1996-10-02 2000-08-28 セイコーインスツルメンツ株式会社 Wristwatch with calendar
CH705048B1 (en) * 2002-07-09 2012-12-14 Lvmh Swiss Mft Sa A drive by smooth or notched belts a mechanical watch movement.
JP6661379B2 (en) * 2016-01-13 2020-03-11 セイコーインスツル株式会社 Jumper mechanism, movement and clock
CN115509107B (en) * 2022-08-23 2023-08-08 上海靖和实业有限公司 Transmission mechanism for pulling gear

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3470687A (en) * 1966-12-15 1969-10-07 Suwa Seikosha Kk Date and day correcting device of a calendar timepiece
US3470688A (en) * 1967-07-26 1969-10-07 Suwa Seikosha Kk Date and day correcting device of a calendar timepiece
US3597916A (en) * 1968-06-20 1971-08-10 Seiko Instr & Electronics Day and date corrector mechanism for a watch
GB1319315A (en) * 1969-06-19 1973-06-06 Citizen Watch Co Ltd Calendar timepiece

Also Published As

Publication number Publication date
US3732687A (en) 1973-05-15
CH230272A4 (en) 1974-03-29
JPS476869U (en) 1972-09-25
CH556563A (en) 1974-11-29
JPS5149971Y2 (en) 1976-12-02
DE2207513A1 (en) 1972-08-31

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PLNP Patent lapsed through nonpayment of renewal fees