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FR2447850B3 - - Google Patents

Info

Publication number
FR2447850B3
FR2447850B3 FR7902649A FR7902649A FR2447850B3 FR 2447850 B3 FR2447850 B3 FR 2447850B3 FR 7902649 A FR7902649 A FR 7902649A FR 7902649 A FR7902649 A FR 7902649A FR 2447850 B3 FR2447850 B3 FR 2447850B3
Authority
FR
France
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
FR7902649A
Other languages
French (fr)
Other versions
FR2447850A1 (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
Priority to FR7902649A priority Critical patent/FR2447850A1/en
Publication of FR2447850A1 publication Critical patent/FR2447850A1/en
Application granted granted Critical
Publication of FR2447850B3 publication Critical patent/FR2447850B3/fr
Granted 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)
FR7902649A 1979-02-01 1979-02-01 Toothed crank wheel for bicycle - is eccentrically shaped to give more constant chain effort at different crank positions Granted FR2447850A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7902649A FR2447850A1 (en) 1979-02-01 1979-02-01 Toothed crank wheel for bicycle - is eccentrically shaped to give more constant chain effort at different crank positions

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7902649A FR2447850A1 (en) 1979-02-01 1979-02-01 Toothed crank wheel for bicycle - is eccentrically shaped to give more constant chain effort at different crank positions

Publications (2)

Publication Number Publication Date
FR2447850A1 FR2447850A1 (en) 1980-08-29
FR2447850B3 true FR2447850B3 (en) 1981-11-20

Family

ID=9221493

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7902649A Granted FR2447850A1 (en) 1979-02-01 1979-02-01 Toothed crank wheel for bicycle - is eccentrically shaped to give more constant chain effort at different crank positions

Country Status (1)

Country Link
FR (1) FR2447850A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2501146B1 (en) * 1981-03-06 1986-03-21 Bouffard Claude CYCLE CRANKSET

Also Published As

Publication number Publication date
FR2447850A1 (en) 1980-08-29

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Legal Events

Date Code Title Description
ST Notification of lapse