FR2829991B1 - DEVICE FOR IMPROVING THE PROPULSION SPEED OF BICYCLES - Google Patents

DEVICE FOR IMPROVING THE PROPULSION SPEED OF BICYCLES

Info

Publication number
FR2829991B1
FR2829991B1 FR0112298A FR0112298A FR2829991B1 FR 2829991 B1 FR2829991 B1 FR 2829991B1 FR 0112298 A FR0112298 A FR 0112298A FR 0112298 A FR0112298 A FR 0112298A FR 2829991 B1 FR2829991 B1 FR 2829991B1
Authority
FR
France
Prior art keywords
bicycles
improving
propulsion speed
propulsion
speed
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 - Fee Related
Application number
FR0112298A
Other languages
French (fr)
Other versions
FR2829991A1 (en
Inventor
Carrere Willy Dantin
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
Priority to FR0112298A priority Critical patent/FR2829991B1/en
Publication of FR2829991A1 publication Critical patent/FR2829991A1/en
Application granted granted Critical
Publication of FR2829991B1 publication Critical patent/FR2829991B1/en
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • B62M1/00—Rider propulsion of wheeled vehicles
    • B62M1/36—Rider propulsion of wheeled vehicles with rotary cranks, e.g. with pedal cranks
    • 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
    • B62M9/02—Transmissions characterised by use of an endless chain, belt, or the like of unchangeable ratio
FR0112298A 2001-09-25 2001-09-25 DEVICE FOR IMPROVING THE PROPULSION SPEED OF BICYCLES Expired - Fee Related FR2829991B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR0112298A FR2829991B1 (en) 2001-09-25 2001-09-25 DEVICE FOR IMPROVING THE PROPULSION SPEED OF BICYCLES

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR0112298A FR2829991B1 (en) 2001-09-25 2001-09-25 DEVICE FOR IMPROVING THE PROPULSION SPEED OF BICYCLES

Publications (2)

Publication Number Publication Date
FR2829991A1 FR2829991A1 (en) 2003-03-28
FR2829991B1 true FR2829991B1 (en) 2003-12-26

Family

ID=8867568

Family Applications (1)

Application Number Title Priority Date Filing Date
FR0112298A Expired - Fee Related FR2829991B1 (en) 2001-09-25 2001-09-25 DEVICE FOR IMPROVING THE PROPULSION SPEED OF BICYCLES

Country Status (1)

Country Link
FR (1) FR2829991B1 (en)

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR535184A (en) * 1921-05-09 1922-04-11 Improvements to motor bicycles
FR2605697B1 (en) * 1986-10-28 1993-01-29 Vaivre Jean De METHOD OF DRIVING BY MULTIPLE FREE SPROCKETS FOR THE TRANSMISSION OF A DRIVE FORCE, WITH OR WITHOUT CHAIN
US5577749A (en) * 1994-07-11 1996-11-26 Ross; Thomas Twin gear drive assembly for a bicycle
US5913741A (en) * 1997-09-15 1999-06-22 Balajadia; Jose P. Bicycle with three bottom bracket shells and gearing system

Also Published As

Publication number Publication date
FR2829991A1 (en) 2003-03-28

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Legal Events

Date Code Title Description
ST Notification of lapse

Effective date: 20060531