CA1303366C - Train wheel structure of electronic timepiece - Google Patents
Train wheel structure of electronic timepieceInfo
- Publication number
- CA1303366C CA1303366C CA000584661A CA584661A CA1303366C CA 1303366 C CA1303366 C CA 1303366C CA 000584661 A CA000584661 A CA 000584661A CA 584661 A CA584661 A CA 584661A CA 1303366 C CA1303366 C CA 1303366C
- Authority
- CA
- Canada
- Prior art keywords
- hand
- hand wheel
- wheel
- bottom plate
- rotor
- 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 - Fee Related
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
- G04B31/00—Bearings; Point suspensions or counter-point suspensions; Pivot bearings; Single parts therefor
-
- 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
-
- G—PHYSICS
- G04—HOROLOGY
- G04C—ELECTROMECHANICAL CLOCKS OR WATCHES
- G04C3/00—Electromechanical clocks or watches independent of other time-pieces and in which the movement is maintained by electric means
- G04C3/008—Mounting, assembling of components
-
- G—PHYSICS
- G04—HOROLOGY
- G04C—ELECTROMECHANICAL CLOCKS OR WATCHES
- G04C3/00—Electromechanical clocks or watches independent of other time-pieces and in which the movement is maintained by electric means
- G04C3/14—Electromechanical clocks or watches independent of other time-pieces and in which the movement is maintained by electric means incorporating a stepping motor
- G04C3/146—Electromechanical clocks or watches independent of other time-pieces and in which the movement is maintained by electric means incorporating a stepping motor incorporating two or more stepping motors or rotors
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Electromechanical Clocks (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JPU62-183941 | 1987-12-02 | ||
JP1987183941U JPH0187288U (US06633600-20031014-M00021.png) | 1987-12-02 | 1987-12-02 |
Publications (1)
Publication Number | Publication Date |
---|---|
CA1303366C true CA1303366C (en) | 1992-06-16 |
Family
ID=16144487
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA000584661A Expired - Fee Related CA1303366C (en) | 1987-12-02 | 1988-12-01 | Train wheel structure of electronic timepiece |
Country Status (5)
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2646946B2 (ja) * | 1992-12-02 | 1997-08-27 | セイコーエプソン株式会社 | 時 計 |
US6804172B2 (en) * | 2002-03-07 | 2004-10-12 | Seiko Instruments Inc. | Analog electronic timepiece including plural indicator wheels |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE7110518U (de) * | 1971-03-19 | 1971-06-09 | Hettich H | Anordnung zur lagerung der sekundenwelle bei wand- und tischuhren |
JPS533261Y2 (US06633600-20031014-M00021.png) * | 1974-07-12 | 1978-01-27 | ||
JPS55948Y2 (US06633600-20031014-M00021.png) * | 1975-07-14 | 1980-01-11 | ||
CH625382B (de) * | 1978-12-08 | Bulova Watch Co Inc | Zeigeruhr, insbesondere armbanduhr. | |
CH632382B (fr) * | 1980-04-25 | Ebauchesfabrik Eta Ag | Mouvement de montre electronique a affichage analogique. | |
JPS582776A (ja) * | 1981-06-30 | 1983-01-08 | Citizen Watch Co Ltd | 指針式時差修正時計 |
CH648984GA3 (US06633600-20031014-M00021.png) * | 1983-05-05 | 1985-04-30 | ||
CH653846GA3 (US06633600-20031014-M00021.png) * | 1983-12-06 | 1986-01-31 | ||
GB2166570B (en) * | 1984-09-26 | 1987-11-18 | Citizen Watch Co Ltd | Electronic timepiece with a chronograph system |
CH661835GA3 (US06633600-20031014-M00021.png) * | 1985-09-11 | 1987-08-31 | ||
CH661403GA3 (US06633600-20031014-M00021.png) * | 1985-10-02 | 1987-07-31 |
-
1987
- 1987-12-02 JP JP1987183941U patent/JPH0187288U/ja active Pending
-
1988
- 1988-12-01 CA CA000584661A patent/CA1303366C/en not_active Expired - Fee Related
- 1988-12-01 DE DE3872187T patent/DE3872187T2/de not_active Expired - Fee Related
- 1988-12-01 US US07/278,832 patent/US4907210A/en not_active Expired - Lifetime
- 1988-12-01 EP EP88311404A patent/EP0319304B2/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
EP0319304A2 (en) | 1989-06-07 |
DE3872187T2 (de) | 1996-09-19 |
US4907210A (en) | 1990-03-06 |
EP0319304A3 (en) | 1989-07-19 |
DE3872187D1 (de) | 1992-07-23 |
EP0319304B2 (en) | 1996-07-03 |
EP0319304B1 (en) | 1992-06-17 |
JPH0187288U (US06633600-20031014-M00021.png) | 1989-06-08 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
MKLA | Lapsed |