FR1147723A - Improvements to reduction mechanisms for watchmaking - Google Patents

Improvements to reduction mechanisms for watchmaking

Info

Publication number
FR1147723A
FR1147723A FR1147723DA FR1147723A FR 1147723 A FR1147723 A FR 1147723A FR 1147723D A FR1147723D A FR 1147723DA FR 1147723 A FR1147723 A FR 1147723A
Authority
FR
France
Prior art keywords
watchmaking
reduction mechanisms
mechanisms
reduction
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
Application number
Other languages
French (fr)
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.)
Cresto & Serbac
Original Assignee
Cresto & Serbac
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 Cresto & Serbac filed Critical Cresto & Serbac
Application granted granted Critical
Publication of FR1147723A publication Critical patent/FR1147723A/en
Expired legal-status Critical Current

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
    • G04B13/00—Gearwork
    • G04B13/002—Gearwork where rotation in one direction is changed into a stepping movement
    • G04B13/003—Gearwork where rotation in one direction is changed into a stepping movement with a step for each complete revolution
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H27/00—Step-by-step mechanisms without freewheel members, e.g. Geneva drives
    • F16H27/04—Step-by-step mechanisms without freewheel members, e.g. Geneva drives for converting continuous rotation into a step-by-step rotary movement

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
FR1147723D 1956-04-16 1956-04-16 Improvements to reduction mechanisms for watchmaking Expired FR1147723A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1147723T 1956-04-16

Publications (1)

Publication Number Publication Date
FR1147723A true FR1147723A (en) 1957-11-28

Family

ID=9646058

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1147723D Expired FR1147723A (en) 1956-04-16 1956-04-16 Improvements to reduction mechanisms for watchmaking

Country Status (1)

Country Link
FR (1) FR1147723A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1209511B (en) * 1962-10-31 1966-01-20 Ebauches Sa Clock with quick-moving date display ring
EP0394215A2 (en) * 1989-04-17 1990-10-24 Herwig Wutscher Display assembly for a watch
EP3182225A1 (en) * 2015-12-18 2017-06-21 Montres Breguet S.A. Timepiece sequencer mecanism with recess wheel having a reduced mechanical friction

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1209511B (en) * 1962-10-31 1966-01-20 Ebauches Sa Clock with quick-moving date display ring
EP0394215A2 (en) * 1989-04-17 1990-10-24 Herwig Wutscher Display assembly for a watch
EP0394215A3 (en) * 1989-04-17 1991-03-06 Herwig Wutscher Display assembly for a watch
EP3182225A1 (en) * 2015-12-18 2017-06-21 Montres Breguet S.A. Timepiece sequencer mecanism with recess wheel having a reduced mechanical friction
JP2017111130A (en) * 2015-12-18 2017-06-22 モントレー ブレゲ・エス アー Wheel in which mechanical friction is reduced for clock
CN106896696A (en) * 2015-12-18 2017-06-27 蒙特雷布勒盖股份有限公司 For the wheel with the mechanical friction for reducing of clock and watch
CN106896696B (en) * 2015-12-18 2019-03-29 蒙特雷布勒盖股份有限公司 The wheel with reduced mechanical friction for clock and watch
US10558170B2 (en) 2015-12-18 2020-02-11 Montres Breguet S.A. Wheel with reduced mechanical friction for timepieces

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