JPS5547472A - Watch with calendar - Google Patents

Watch with calendar

Info

Publication number
JPS5547472A
JPS5547472A JP12069478A JP12069478A JPS5547472A JP S5547472 A JPS5547472 A JP S5547472A JP 12069478 A JP12069478 A JP 12069478A JP 12069478 A JP12069478 A JP 12069478A JP S5547472 A JPS5547472 A JP S5547472A
Authority
JP
Japan
Prior art keywords
calendar
watch
cam
plate
teeth
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.)
Pending
Application number
JP12069478A
Other languages
Japanese (ja)
Inventor
Munetaka Tamaru
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
Priority to JP12069478A priority Critical patent/JPS5547472A/en
Publication of JPS5547472A publication Critical patent/JPS5547472A/en
Pending legal-status Critical Current

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  • Electromechanical Clocks (AREA)

Abstract

PURPOSE: To reduce the driving load of a calendar display member of a watch with calendar by controlling a calendar display member positioning mameber in synchronism with the drive of the member by a cam driven via gear train of the watch to thereby omit a spring member.
CONSTITUTION: A date plate 1 for displaying calendar is pushed at its teeth 1a by the end of a driving pawl 7 on a calendar feed wheel 6 rotating counterclockwise, and thus rotated. When the plate 1 is driven, the calendar feed wheel 6 introduces the tail 8a to be controlled of the positioning member 8 into narrow passage between first cam 10 and second cam 11 provided at the wheel 6 to thereby separate a stop surface 8b from the teeth 1a of the plate 1.
COPYRIGHT: (C)1980,JPO&Japio
JP12069478A 1978-09-30 1978-09-30 Watch with calendar Pending JPS5547472A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP12069478A JPS5547472A (en) 1978-09-30 1978-09-30 Watch with calendar

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP12069478A JPS5547472A (en) 1978-09-30 1978-09-30 Watch with calendar

Publications (1)

Publication Number Publication Date
JPS5547472A true JPS5547472A (en) 1980-04-03

Family

ID=14792648

Family Applications (1)

Application Number Title Priority Date Filing Date
JP12069478A Pending JPS5547472A (en) 1978-09-30 1978-09-30 Watch with calendar

Country Status (1)

Country Link
JP (1) JPS5547472A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4447160A (en) * 1981-04-22 1984-05-08 Olympus Optical Co., Ltd. Leap year compensation circuit

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4447160A (en) * 1981-04-22 1984-05-08 Olympus Optical Co., Ltd. Leap year compensation circuit

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