FR2476256B1 - TRANSMISSION WHEEL WITH VARIABLE DIAMETER - Google Patents

TRANSMISSION WHEEL WITH VARIABLE DIAMETER

Info

Publication number
FR2476256B1
FR2476256B1 FR8022899A FR8022899A FR2476256B1 FR 2476256 B1 FR2476256 B1 FR 2476256B1 FR 8022899 A FR8022899 A FR 8022899A FR 8022899 A FR8022899 A FR 8022899A FR 2476256 B1 FR2476256 B1 FR 2476256B1
Authority
FR
France
Prior art keywords
transmission wheel
variable diameter
variable
diameter
wheel
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
FR8022899A
Other languages
French (fr)
Other versions
FR2476256A1 (en
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of FR2476256A1 publication Critical patent/FR2476256A1/en
Application granted granted Critical
Publication of FR2476256B1 publication Critical patent/FR2476256B1/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62M—RIDER PROPULSION OF WHEELED VEHICLES OR SLEDGES; POWERED PROPULSION OF SLEDGES OR SINGLE-TRACK CYCLES; TRANSMISSIONS SPECIALLY ADAPTED FOR SUCH VEHICLES
    • B62M9/00—Transmissions characterised by use of an endless chain, belt, or the like
    • B62M9/04—Transmissions characterised by use of an endless chain, belt, or the like of changeable ratio
    • B62M9/06—Transmissions characterised by use of an endless chain, belt, or the like of changeable ratio using a single chain, belt, or the like
    • B62M9/08—Transmissions characterised by use of an endless chain, belt, or the like of changeable ratio using a single chain, belt, or the like involving eccentrically- mounted or elliptically-shaped driving or driven wheel; with expansible driving or driven wheel
    • 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
    • F16H55/32—Friction members
    • F16H55/52—Pulleys or friction discs of adjustable construction
    • F16H55/54—Pulleys or friction discs of adjustable construction of which the bearing parts are radially adjustable
    • 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
    • F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
    • F16H61/66—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing specially adapted for continuously variable gearings
    • F16H61/662—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing specially adapted for continuously variable gearings with endless flexible members
    • F16H61/6625—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing specially adapted for continuously variable gearings with endless flexible members controlling shifting exclusively as a function of torque

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Transmission Devices (AREA)
  • Pulleys (AREA)
  • Transmissions By Endless Flexible Members (AREA)
FR8022899A 1979-10-29 1980-10-27 TRANSMISSION WHEEL WITH VARIABLE DIAMETER Expired FR2476256B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB7937436 1979-10-29

Publications (2)

Publication Number Publication Date
FR2476256A1 FR2476256A1 (en) 1981-08-21
FR2476256B1 true FR2476256B1 (en) 1985-07-12

Family

ID=10508838

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8022899A Expired FR2476256B1 (en) 1979-10-29 1980-10-27 TRANSMISSION WHEEL WITH VARIABLE DIAMETER

Country Status (2)

Country Link
JP (1) JPS5676754A (en)
FR (1) FR2476256B1 (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100431801B1 (en) * 2001-04-06 2004-05-22 주식회사 이담테크 automatic transmission pulley and thereby automatic transmission system
JP6190800B2 (en) * 2014-12-09 2017-08-30 ジヤトコ株式会社 Speed change mechanism
JP6063433B2 (en) * 2014-12-09 2017-01-18 ジヤトコ株式会社 Speed change mechanism
ITUB20154124A1 (en) * 2015-10-02 2017-04-02 Yves Joseph Alfred Morin Chain transmission, particularly for bicycles, with continuous variation of the transmission ratio.
CN105775028A (en) * 2015-12-19 2016-07-20 深圳市山顶自行车科技有限公司 Automatic stepless speed changer
WO2022267041A1 (en) * 2021-06-25 2022-12-29 刘岩 Continuously variable transmission, transmission apparatus, and bicycle
CN115388144B (en) * 2022-09-20 2023-07-28 鋐隆塑胶电子(深圳)有限公司 Precise gear convenient to change internal diameter

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR961243A (en) * 1950-05-09
GB453712A (en) * 1935-03-28 1936-09-17 Walter Neale Improvements in and relating to variable speed gear mechanism for cycles and the like
GB563512A (en) * 1943-02-26 1944-08-17 Alfred German Rose Improvements in chain gearing
FR984401A (en) * 1943-09-17 1951-07-05 Variable ratio chain transmission
GB625124A (en) * 1943-09-17 1949-06-22 Maurice Steiner Improvements in and relating to variable speed chain drives
FR1542594A (en) * 1967-07-21 1968-10-18 New gear change by extension applicable to all chain transmissions
US3850044A (en) * 1973-05-10 1974-11-26 D Hagen Bicycle transmission
US3867851A (en) * 1973-08-23 1975-02-25 Hagen Int Inc Radially expansible sprocket with rotatable teeth segments
US3956944A (en) * 1975-01-02 1976-05-18 Tompkins Leo L Torque operated, variable diameter belt sheave or chain sprocket
US3995508A (en) * 1975-03-31 1976-12-07 Mesur-Matic Electronics Corporation Automatic bicycle transmission
US3969948A (en) * 1975-08-25 1976-07-20 Pipenhagen Jr Charles A Automatic bicycle transmission
US4129044A (en) * 1977-05-19 1978-12-12 Erickson Marlo W V Variable gear ratio chain drive system for bicycles

Also Published As

Publication number Publication date
JPS5676754A (en) 1981-06-24
FR2476256A1 (en) 1981-08-21

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Legal Events

Date Code Title Description
ST Notification of lapse