FR1271984A - Roue de pédalier à double engrenage pour bicyclettes - Google Patents

Roue de pédalier à double engrenage pour bicyclettes

Info

Publication number
FR1271984A
FR1271984A FR810347A FR810347A FR1271984A FR 1271984 A FR1271984 A FR 1271984A FR 810347 A FR810347 A FR 810347A FR 810347 A FR810347 A FR 810347A FR 1271984 A FR1271984 A FR 1271984A
Authority
FR
France
Prior art keywords
bicycles
bottom bracket
double gear
gear bottom
bracket wheel
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
FR810347A
Other languages
English (en)
Inventor
Tullio Campagnolo
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
Priority to FR810347A priority Critical patent/FR1271984A/fr
Application granted granted Critical
Publication of FR1271984A publication Critical patent/FR1271984A/fr
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
    • B62M9/10—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
    • B62M9/105—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 involving front sprocket chain-wheels engaged by the chain, belt or the like

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
FR810347A 1959-11-17 1959-11-17 Roue de pédalier à double engrenage pour bicyclettes Expired FR1271984A (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR810347A FR1271984A (fr) 1959-11-17 1959-11-17 Roue de pédalier à double engrenage pour bicyclettes

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR810347A FR1271984A (fr) 1959-11-17 1959-11-17 Roue de pédalier à double engrenage pour bicyclettes

Publications (1)

Publication Number Publication Date
FR1271984A true FR1271984A (fr) 1961-09-22

Family

ID=8721375

Family Applications (1)

Application Number Title Priority Date Filing Date
FR810347A Expired FR1271984A (fr) 1959-11-17 1959-11-17 Roue de pédalier à double engrenage pour bicyclettes

Country Status (1)

Country Link
FR (1) FR1271984A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4594910A (en) * 1983-07-11 1986-06-17 Shimano Industrial Company Limited Gear crank for a bicycle

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4594910A (en) * 1983-07-11 1986-06-17 Shimano Industrial Company Limited Gear crank for a bicycle

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