GB449504A - Improvements in or relating to bicycle transmission drives - Google Patents

Improvements in or relating to bicycle transmission drives

Info

Publication number
GB449504A
GB449504A GB32680/35A GB3268035A GB449504A GB 449504 A GB449504 A GB 449504A GB 32680/35 A GB32680/35 A GB 32680/35A GB 3268035 A GB3268035 A GB 3268035A GB 449504 A GB449504 A GB 449504A
Authority
GB
United Kingdom
Prior art keywords
relating
chain
wheel
bicycle transmission
transmission drives
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
GB32680/35A
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 GB449504A publication Critical patent/GB449504A/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
    • 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
    • B62M2009/002—Non-circular chain rings or sprockets

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Transmission Devices (AREA)

Abstract

449,504. Chain-wheels. DEUREN, P. VAN, 361, Avenue de Tervueren, Woluwe St. Pierre, Brussels. Nov. 25, 1935, Nos. 32680 and 32681. Convention dates, Dec. 4, 1934 and June 15, 1935. Drawings to Specification. [Class 80 (i)] [See also Group XXXI] In pedal-crank driving-mechanism for bicycles, the chain-wheel to which the pedal cranks are attached is of elongated form comprising two half circles joined by straight or approximately straight parts. The wheel is strengthened by an inner circular rim tangential to the toothed ring at the ends of the shortest diameter.
GB32680/35A 1934-12-04 1935-11-25 Improvements in or relating to bicycle transmission drives Expired GB449504A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
BE449504X 1934-12-04

Publications (1)

Publication Number Publication Date
GB449504A true GB449504A (en) 1936-06-29

Family

ID=3869799

Family Applications (1)

Application Number Title Priority Date Filing Date
GB32680/35A Expired GB449504A (en) 1934-12-04 1935-11-25 Improvements in or relating to bicycle transmission drives

Country Status (1)

Country Link
GB (1) GB449504A (en)

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3259398A (en) * 1964-12-09 1966-07-05 Green William P Bicycle drive
JPS57199191U (en) * 1981-06-15 1982-12-17
GB2122958A (en) * 1982-06-02 1984-01-25 Gordon Keith Reader Bicycle drive arrangement
US4522610A (en) * 1982-06-01 1985-06-11 Shimano Industrial Company Limited Gear crank apparatus for a bicycle
GB2280153A (en) * 1990-12-03 1995-01-25 Stanley Kee Man Kwok Bicycle with elliptical pedal sprocket
GB2251586B (en) * 1990-12-03 1995-08-09 Stanley Kee Man Kwok Improvements in the propulsion of cycles
US5549314A (en) * 1991-10-11 1996-08-27 Sassi; Michel Non-circular front chain wheel for crank gear
WO2006114539A1 (en) * 2005-04-27 2006-11-02 Claude Gregoire Device for transmitting a pedalling movement on cycles used for travel or training
WO2007003263A1 (en) * 2005-07-05 2007-01-11 Schaeffler Kg Continuous belt drive
CN103863514A (en) * 2012-12-18 2014-06-18 杨泰和 Transmission wheel series with periodically varied speed ratio and having reciprocally displacing auxiliary pulley for storing/releasing kinetic energy

Cited By (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3259398A (en) * 1964-12-09 1966-07-05 Green William P Bicycle drive
JPS57199191U (en) * 1981-06-15 1982-12-17
JPS6231356Y2 (en) * 1981-06-15 1987-08-11
US4522610A (en) * 1982-06-01 1985-06-11 Shimano Industrial Company Limited Gear crank apparatus for a bicycle
GB2122958A (en) * 1982-06-02 1984-01-25 Gordon Keith Reader Bicycle drive arrangement
GB2251586B (en) * 1990-12-03 1995-08-09 Stanley Kee Man Kwok Improvements in the propulsion of cycles
GB2280153A (en) * 1990-12-03 1995-01-25 Stanley Kee Man Kwok Bicycle with elliptical pedal sprocket
US5549314A (en) * 1991-10-11 1996-08-27 Sassi; Michel Non-circular front chain wheel for crank gear
WO2006114539A1 (en) * 2005-04-27 2006-11-02 Claude Gregoire Device for transmitting a pedalling movement on cycles used for travel or training
FR2885112A1 (en) * 2005-04-27 2006-11-03 Claude Gregoire DEVICE FOR TRANSMITTING PEDAL MOTION ON CYCLES FOR MOVEMENT OR TRAINING
WO2007003263A1 (en) * 2005-07-05 2007-01-11 Schaeffler Kg Continuous belt drive
CN103863514A (en) * 2012-12-18 2014-06-18 杨泰和 Transmission wheel series with periodically varied speed ratio and having reciprocally displacing auxiliary pulley for storing/releasing kinetic energy
EP2746143A1 (en) * 2012-12-18 2014-06-25 Tai-Her Yang Transmission wheel series with periodically varied speed ratio and having reciprocally displacing auxiliary pulley for storing/releasing kinetic energy
CN103863514B (en) * 2012-12-18 2018-10-23 杨泰和 The cycle variable speed that kinetic energy auxiliary belt wheel is released in tool shift reciprocately storage compares train

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