CH1463170A4 - Column wheel mechanism for stopwatch or chronograph - Google Patents

Column wheel mechanism for stopwatch or chronograph

Info

Publication number
CH1463170A4
CH1463170A4 CH1463170D CH1463170D CH1463170A4 CH 1463170 A4 CH1463170 A4 CH 1463170A4 CH 1463170 D CH1463170 D CH 1463170D CH 1463170 D CH1463170 D CH 1463170D CH 1463170 A4 CH1463170 A4 CH 1463170A4
Authority
CH
Switzerland
Prior art keywords
chronograph
stopwatch
wheel mechanism
column wheel
column
Prior art date
Application number
CH1463170D
Other languages
French (fr)
Inventor
Morita Katsuhiko
Original Assignee
Suwa Seikosha Kk
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 Suwa Seikosha Kk filed Critical Suwa Seikosha Kk
Publication of CH1463170A4 publication Critical patent/CH1463170A4/en

Links

Classifications

    • G—PHYSICS
    • G04—HOROLOGY
    • G04F—TIME-INTERVAL MEASURING
    • G04F7/00—Apparatus for measuring unknown time intervals by non-electric means
    • G04F7/04—Apparatus for measuring unknown time intervals by non-electric means using a mechanical oscillator
    • G04F7/08—Watches or clocks with stop devices, e.g. chronograph
    • G04F7/0842—Watches or clocks with stop devices, e.g. chronograph with start-stop control mechanisms
    • G04F7/0847—Watches or clocks with stop devices, e.g. chronograph with start-stop control mechanisms with column wheel
    • G—PHYSICS
    • G04—HOROLOGY
    • G04F—TIME-INTERVAL MEASURING
    • G04F7/00—Apparatus for measuring unknown time intervals by non-electric means
    • G04F7/04—Apparatus for measuring unknown time intervals by non-electric means using a mechanical oscillator
    • G04F7/08—Watches or clocks with stop devices, e.g. chronograph
    • G04F7/0804—Watches or clocks with stop devices, e.g. chronograph with reset mechanisms

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Measurement Of Unknown Time Intervals (AREA)
CH1463170D 1969-10-03 1970-10-02 Column wheel mechanism for stopwatch or chronograph CH1463170A4 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1969094116U JPS4825156Y1 (en) 1969-10-03 1969-10-03

Publications (1)

Publication Number Publication Date
CH1463170A4 true CH1463170A4 (en) 1975-06-30

Family

ID=14101448

Family Applications (1)

Application Number Title Priority Date Filing Date
CH1463170D CH1463170A4 (en) 1969-10-03 1970-10-02 Column wheel mechanism for stopwatch or chronograph

Country Status (4)

Country Link
US (1) US3712036A (en)
JP (1) JPS4825156Y1 (en)
CH (1) CH1463170A4 (en)
GB (2) GB1311929A (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1405102A (en) * 1971-08-20 1975-09-03 Smiths Industries Ltd Stop watches
US6466518B1 (en) * 1998-04-21 2002-10-15 Seiko Epson Corporation Time measurement device
EP1031896B1 (en) * 1998-09-10 2004-06-09 Seiko Epson Corporation Clocking device
DE60225779T2 (en) * 2002-02-01 2009-06-18 Tag Heuer S.A. Device with movement and chronograph module

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US793320A (en) * 1902-01-16 1905-06-27 New Haven Clock Co Stop-watch.
US1851593A (en) * 1930-02-03 1932-03-29 Pastor Thomas Stop watch
CH285850A (en) * 1950-07-31 1952-09-30 Excelsior Park Les Fils De Jea Timepiece.
US3045418A (en) * 1960-06-07 1962-07-24 Ed Heuer & Co Sa Time meter
GB994871A (en) * 1960-09-19 1965-06-10 Smith & Sons Ltd S Improvements in or relating to stop watches

Also Published As

Publication number Publication date
GB1311929A (en) 1973-03-28
US3712036A (en) 1973-01-23
GB1313089A (en) 1973-04-11
JPS4825156Y1 (en) 1973-07-23

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