JPS57101783A - Correcting mechanism for watch hand - Google Patents

Correcting mechanism for watch hand

Info

Publication number
JPS57101783A
JPS57101783A JP17857480A JP17857480A JPS57101783A JP S57101783 A JPS57101783 A JP S57101783A JP 17857480 A JP17857480 A JP 17857480A JP 17857480 A JP17857480 A JP 17857480A JP S57101783 A JPS57101783 A JP S57101783A
Authority
JP
Japan
Prior art keywords
wheel
correcting mechanism
solar
hand
indexing
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
JP17857480A
Other languages
Japanese (ja)
Inventor
Yasuo Kamiyama
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 Holdings Co Ltd
Citizen Watch Co Ltd
Original Assignee
Citizen Holdings Co Ltd
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 Holdings Co Ltd, Citizen Watch Co Ltd filed Critical Citizen Holdings Co Ltd
Priority to JP17857480A priority Critical patent/JPS57101783A/en
Publication of JPS57101783A publication Critical patent/JPS57101783A/en
Pending legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G04—HOROLOGY
    • G04C—ELECTROMECHANICAL CLOCKS OR WATCHES
    • G04C9/00—Electrically-actuated devices for setting the time-indicating means

Landscapes

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

Abstract

PURPOSE:To obtain a click mechanism which applies no load to a step motor as a reliable indexing is carried out, by employing a solar wheel and planetary wheel to a hand correcting mechanism. CONSTITUTION:With a crown pulled in 2-step, a teeth part 64a of a hourglass wheel engages a first small iron wheel 57 to permit a hand correcting mechanism to move, which results in enabling the rotation of a solar wheel 53. A step motor stops moving and a second had suspends moving at an arbitrary position, whereby planetary wheels 51 and 50, attached to a second hand wheel, stop moving at an arbitray position. With the solar wheel 53 and a minute wheel still engaging each other, the minute wheel turns by a full tooth through the rotation of the solar wheel 53 by a full tooth. Then, a hand correcting mechanism performs a clicking action through the working of a first arm part 72a of an index spring 72 for indexing a first star wheel 71 and an indexing lever 58 engaging an index wheel 54.
JP17857480A 1980-12-17 1980-12-17 Correcting mechanism for watch hand Pending JPS57101783A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP17857480A JPS57101783A (en) 1980-12-17 1980-12-17 Correcting mechanism for watch hand

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP17857480A JPS57101783A (en) 1980-12-17 1980-12-17 Correcting mechanism for watch hand

Publications (1)

Publication Number Publication Date
JPS57101783A true JPS57101783A (en) 1982-06-24

Family

ID=16050849

Family Applications (1)

Application Number Title Priority Date Filing Date
JP17857480A Pending JPS57101783A (en) 1980-12-17 1980-12-17 Correcting mechanism for watch hand

Country Status (1)

Country Link
JP (1) JPS57101783A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6067881A (en) * 1983-09-22 1985-04-18 Citizen Watch Co Ltd Electronic timepiece

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6067881A (en) * 1983-09-22 1985-04-18 Citizen Watch Co Ltd Electronic timepiece
JPH0450547B2 (en) * 1983-09-22 1992-08-14 Citizen Watch Co Ltd

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