CH678910GA3 - Chronograph zero resetting mechanism - provides simultaneous resetting of second and minute hands via respective cams - Google Patents

Chronograph zero resetting mechanism - provides simultaneous resetting of second and minute hands via respective cams Download PDF

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Publication number
CH678910GA3
CH678910GA3 CH70390A CH70390A CH678910GA3 CH 678910G A3 CH678910G A3 CH 678910GA3 CH 70390 A CH70390 A CH 70390A CH 70390 A CH70390 A CH 70390A CH 678910G A3 CH678910G A3 CH 678910GA3
Authority
CH
Switzerland
Prior art keywords
resetting
via respective
minute hands
respective cams
provides simultaneous
Prior art date
Application number
CH70390A
Other languages
French (fr)
Other versions
CH678910B5 (en
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 filed Critical
Priority to CH70390A priority Critical patent/CH678910GA3/en
Publication of CH678910GA3 publication Critical patent/CH678910GA3/en
Publication of CH678910B5 publication Critical patent/CH678910B5/fr

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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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Measurement Of Unknown Time Intervals (AREA)

Abstract

The zero resetting mechanism has a double hammer rocker device (1), each hammer arm (5, 6) cooperating with a respective heart-shaped zero resetting cam (9, 11) used for simultaneous resetting of the seconds and minutes hands. One of the hammer arms (6) is acted on by a displacement mechanism (13) using a cam (16) associated with a regulating element (15) rotated relative to the rocket device about an axis parallel to the pivot axis (2) of the latter. ADVANTAGE - Provides precise resetting of hands.
CH70390A 1990-03-06 1990-03-06 Chronograph zero resetting mechanism - provides simultaneous resetting of second and minute hands via respective cams CH678910GA3 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CH70390A CH678910GA3 (en) 1990-03-06 1990-03-06 Chronograph zero resetting mechanism - provides simultaneous resetting of second and minute hands via respective cams

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH70390A CH678910GA3 (en) 1990-03-06 1990-03-06 Chronograph zero resetting mechanism - provides simultaneous resetting of second and minute hands via respective cams

Publications (2)

Publication Number Publication Date
CH678910GA3 true CH678910GA3 (en) 1991-11-29
CH678910B5 CH678910B5 (en) 1992-05-29

Family

ID=4193204

Family Applications (1)

Application Number Title Priority Date Filing Date
CH70390A CH678910GA3 (en) 1990-03-06 1990-03-06 Chronograph zero resetting mechanism - provides simultaneous resetting of second and minute hands via respective cams

Country Status (1)

Country Link
CH (1) CH678910GA3 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1380906A3 (en) * 2002-07-11 2005-06-01 Seiko Instruments Inc. Mechanical chronograph timepiece
EP3800515A1 (en) 2011-06-29 2021-04-07 Rolex Sa Device for resetting a component indicating a time-related magnitude to a predetermined position

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH226266A (en) * 1941-10-11 1943-03-31 Langendorf Horlogerie Chronograph watch mechanism.
CH285850A (en) * 1950-07-31 1952-09-30 Excelsior Park Les Fils De Jea Timepiece.
US3676995A (en) * 1969-04-16 1972-07-18 Seiko Instr & Electronics Return mechanism for a stopwatch or a chronograph
CH661404GA3 (en) * 1985-01-23 1987-07-31 Chronograph watch

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH226266A (en) * 1941-10-11 1943-03-31 Langendorf Horlogerie Chronograph watch mechanism.
CH285850A (en) * 1950-07-31 1952-09-30 Excelsior Park Les Fils De Jea Timepiece.
US3676995A (en) * 1969-04-16 1972-07-18 Seiko Instr & Electronics Return mechanism for a stopwatch or a chronograph
CH661404GA3 (en) * 1985-01-23 1987-07-31 Chronograph watch

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1380906A3 (en) * 2002-07-11 2005-06-01 Seiko Instruments Inc. Mechanical chronograph timepiece
CN100464259C (en) * 2002-07-11 2009-02-25 精工电子有限公司 Mechanical timing timepiece
EP3800515A1 (en) 2011-06-29 2021-04-07 Rolex Sa Device for resetting a component indicating a time-related magnitude to a predetermined position

Also Published As

Publication number Publication date
CH678910B5 (en) 1992-05-29

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Legal Events

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