FR981230A - Variable development transmission forming progressive speed change, especially for cycles - Google Patents

Variable development transmission forming progressive speed change, especially for cycles

Info

Publication number
FR981230A
FR981230A FR981230DA FR981230A FR 981230 A FR981230 A FR 981230A FR 981230D A FR981230D A FR 981230DA FR 981230 A FR981230 A FR 981230A
Authority
FR
France
Prior art keywords
cycles
speed change
transmission forming
progressive speed
variable development
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
Other languages
French (fr)
Inventor
Lucien-Henri Louvet
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 filed Critical
Application granted granted Critical
Publication of FR981230A publication Critical patent/FR981230A/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

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
FR981230D 1943-03-17 1943-03-17 Variable development transmission forming progressive speed change, especially for cycles Expired FR981230A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR981230T 1943-03-17

Publications (1)

Publication Number Publication Date
FR981230A true FR981230A (en) 1951-05-23

Family

ID=9531084

Family Applications (1)

Application Number Title Priority Date Filing Date
FR981230D Expired FR981230A (en) 1943-03-17 1943-03-17 Variable development transmission forming progressive speed change, especially for cycles

Country Status (1)

Country Link
FR (1) FR981230A (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1979000522A1 (en) * 1978-01-18 1979-08-09 R Williams Drive system
US4484902A (en) * 1981-03-23 1984-11-27 Huret Et Ses Fils Drive pulley in particular for the distance recorder of a bicycle
EP0315380A2 (en) * 1987-11-02 1989-05-10 James F. Pritchard Bicycle transmission
US4836046A (en) * 1987-05-04 1989-06-06 Chappel Gilmore H Automatic bicycle transmission
FR2656056A1 (en) * 1989-12-20 1991-06-21 Grimaud Jacques Automated force-varying device

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1979000522A1 (en) * 1978-01-18 1979-08-09 R Williams Drive system
US4342559A (en) * 1978-01-18 1982-08-03 National Technology Corporation Drive system
US4484902A (en) * 1981-03-23 1984-11-27 Huret Et Ses Fils Drive pulley in particular for the distance recorder of a bicycle
US4836046A (en) * 1987-05-04 1989-06-06 Chappel Gilmore H Automatic bicycle transmission
EP0315380A2 (en) * 1987-11-02 1989-05-10 James F. Pritchard Bicycle transmission
EP0315380A3 (en) * 1987-11-02 1990-08-22 James F. Pritchard Bicycle transmission
FR2656056A1 (en) * 1989-12-20 1991-06-21 Grimaud Jacques Automated force-varying device

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