FR2476256B1 - TRANSMISSION WHEEL WITH VARIABLE DIAMETER - Google Patents
TRANSMISSION WHEEL WITH VARIABLE DIAMETERInfo
- 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
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)
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)
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)
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 |
-
1980
- 1980-10-27 FR FR8022899A patent/FR2476256B1/en not_active Expired
- 1980-10-28 JP JP15130680A patent/JPS5676754A/en active Pending
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 |