BE793542A - Mecanisme d'entrainement a rapport variable pour bicyclettes - Google Patents

Mecanisme d'entrainement a rapport variable pour bicyclettes

Info

Publication number
BE793542A
BE793542A BE793542DA BE793542A BE 793542 A BE793542 A BE 793542A BE 793542D A BE793542D A BE 793542DA BE 793542 A BE793542 A BE 793542A
Authority
BE
Belgium
Prior art keywords
bicycles
drive mechanism
variable ratio
ratio drive
variable
Prior art date
Application number
Other languages
English (en)
Inventor
G M Hunt
Original Assignee
Tokheim Corp
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.)
Publication date
Publication of BE793542A publication Critical patent/BE793542A/fr

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
    • 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
    • B62M9/10—Transmissions characterised by use of an endless chain, belt, or the like of changeable ratio using a single chain, belt, or the like involving different-sized wheels, e.g. rear sprocket chain wheels selectively engaged by the chain, belt, or the like
    • B62M9/14—Transmissions characterised by use of an endless chain, belt, or the like of changeable ratio using a single chain, belt, or the like involving different-sized wheels, e.g. rear sprocket chain wheels selectively engaged by the chain, belt, or the like the wheels being laterally shiftable
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Transmissions By Endless Flexible Members (AREA)
BE793542D 1971-06-30 Mecanisme d'entrainement a rapport variable pour bicyclettes BE793542A (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US15850671A 1971-06-30 1971-06-30
US296649A US3861227A (en) 1971-06-30 1972-10-11 Variable ratio drive mechanism for bicycles

Publications (1)

Publication Number Publication Date
BE793542A true BE793542A (fr) 1973-04-16

Family

ID=26855097

Family Applications (1)

Application Number Title Priority Date Filing Date
BE793542D BE793542A (fr) 1971-06-30 Mecanisme d'entrainement a rapport variable pour bicyclettes

Country Status (2)

Country Link
US (1) US3861227A (fr)
BE (1) BE793542A (fr)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3969948A (en) * 1975-08-25 1976-07-20 Pipenhagen Jr Charles A Automatic bicycle transmission
IT1066918B (it) * 1976-07-06 1985-03-12 Campagnolo Tullio Mezzi per consentire il disimpegno della catena di trasmissione di una bicicletta dai rocchetti della rudta libera della ruota posteriore e il supporto della stessa catena in posizione distesa
US4571219A (en) * 1980-09-15 1986-02-18 Daniel Corporation Bicycle transmission
EP0060268A1 (fr) * 1980-09-15 1982-09-22 Daniel Corporation Transmission de bicyclette
US4634406A (en) * 1985-08-07 1987-01-06 Hufschmid Eric B Multiple speed transmission for bicycles
FR2621372B1 (fr) * 1987-10-05 1990-01-19 Rene Bonnard Adaptation de divers dispositifs de commande a systeme alternatif a des changements avant et arriere pour cycles et vehicules assimiles. dispositif de changements de vitesses avant ou arriere a commande alternative pour cycles et vehicules assimiles
US6267699B1 (en) 1999-02-05 2001-07-31 James P. Gruich Variable ratio magnetic drive mechanism
WO2005111463A1 (fr) * 2004-05-19 2005-11-24 Anthony Wong Systeme de transmission a poulies d'echange, synchronise de maniere segmentee
RU2020133431A (ru) * 2018-03-14 2022-04-14 Инмоутив Инк. Шкивной узел для трансмиссии с сегментированным шкивом и исполнительная система для такого узла
WO2020168287A1 (fr) * 2019-02-14 2020-08-20 Praxis Works LLC Boîte de vitesses de bicyclette comportant des pignons segmentés
US12065217B2 (en) * 2019-02-14 2024-08-20 Praxis Works LLC Bicycle gearbox having segmented sprockets
US11572131B2 (en) * 2019-02-14 2023-02-07 Praxis Works LLC Bicycle gearbox having segmented sprockets
US10988207B1 (en) * 2019-02-14 2021-04-27 Praxis Works LLC Bicycle gearbox having segmented sprockets

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2491121A (en) * 1946-10-25 1949-12-13 Cezary W Lozinski Variable transmission
US2693116A (en) * 1949-11-22 1954-11-02 Juy Lucien Charles Hippolyte Change speed gear for bicycles and the like vehicles

Also Published As

Publication number Publication date
US3861227A (en) 1975-01-21

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