IT1075773B - DEVICE TO PREVENT THE REVERSE ROTATION OF GEAR WHEELS IN WATCHES - Google Patents

DEVICE TO PREVENT THE REVERSE ROTATION OF GEAR WHEELS IN WATCHES

Info

Publication number
IT1075773B
IT1075773B IT5177876A IT5177876A IT1075773B IT 1075773 B IT1075773 B IT 1075773B IT 5177876 A IT5177876 A IT 5177876A IT 5177876 A IT5177876 A IT 5177876A IT 1075773 B IT1075773 B IT 1075773B
Authority
IT
Italy
Prior art keywords
watches
prevent
reverse rotation
gear wheels
wheels
Prior art date
Application number
IT5177876A
Other languages
Italian (it)
Original Assignee
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 Seikosha Kk filed Critical Seikosha Kk
Application granted granted Critical
Publication of IT1075773B publication Critical patent/IT1075773B/en

Links

Classifications

    • 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
    • F16H55/00—Elements with teeth or friction surfaces for conveying motion; Worms, pulleys or sheaves for gearing mechanisms
    • F16H55/02—Toothed members; Worms
    • F16H55/08—Profiling
    • 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
    • F16H1/00—Toothed gearings for conveying rotary motion
    • F16H1/003—Monodirectionally torque-transmitting toothed gearing

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Transmission Devices (AREA)
  • Gears, Cams (AREA)
  • Gear Transmission (AREA)
  • Retarders (AREA)
IT5177876A 1975-10-16 1976-10-18 DEVICE TO PREVENT THE REVERSE ROTATION OF GEAR WHEELS IN WATCHES IT1075773B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP12451975A JPS5248763A (en) 1975-10-16 1975-10-16 Plugging gear mechanism

Publications (1)

Publication Number Publication Date
IT1075773B true IT1075773B (en) 1985-04-22

Family

ID=14887478

Family Applications (1)

Application Number Title Priority Date Filing Date
IT5177876A IT1075773B (en) 1975-10-16 1976-10-18 DEVICE TO PREVENT THE REVERSE ROTATION OF GEAR WHEELS IN WATCHES

Country Status (5)

Country Link
JP (1) JPS5248763A (en)
DE (1) DE2646669C2 (en)
FR (1) FR2328140A1 (en)
GB (1) GB1528422A (en)
IT (1) IT1075773B (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4223528A (en) * 1978-10-31 1980-09-23 Societe Suisse Pour L'industrie Horlogere Management Services, S.A. Unidirectional gear transmission
FR2450982A1 (en) * 1979-03-08 1980-10-03 Suisse Horlogerie ONE-WAY TORQUE TRANSMISSION GEAR, PARTICULARLY FOR WATCHES
GB2295878B (en) * 1994-12-06 1998-07-15 Sony Uk Ltd Gear trains
RU2494296C1 (en) * 2012-05-25 2013-09-27 Денис Николаевич Мендрух Gear wheel
RU2527647C1 (en) * 2013-04-09 2014-09-10 Денис Николаевич Мендрух Gear wheel
JP6663884B2 (en) * 2017-05-12 2020-03-13 株式会社オリジン Reverse rotation preventing mechanism and one-way clutch provided with the same

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE952879C (en) * 1952-02-11 1956-11-22 Schild Sa A One-way clutch for watches with automatic winding
CH307685A (en) * 1952-07-21 1955-06-15 Ag Recta Uhrenfabrik Automatic winding device for clockworks.
FR1157102A (en) * 1956-08-01 1958-05-27 Cie Crouzet Improvements to irreversible gear mechanisms
DE2159559A1 (en) * 1971-11-26 1973-05-30 Licentia Gmbh RETURN LOCK
JPS4933865U (en) * 1972-06-24 1974-03-25

Also Published As

Publication number Publication date
FR2328140A1 (en) 1977-05-13
DE2646669C2 (en) 1983-12-01
JPS5248763A (en) 1977-04-19
JPS5430466B2 (en) 1979-10-01
GB1528422A (en) 1978-10-11
DE2646669A1 (en) 1977-04-21
FR2328140B1 (en) 1981-12-11

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Legal Events

Date Code Title Description
TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19941027