FR1271984A - Double gear bottom bracket wheel for bicycles - Google Patents

Double gear bottom bracket wheel for bicycles

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
French (fr)
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/en
Application granted granted Critical
Publication of FR1271984A publication Critical patent/FR1271984A/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
    • B62M9/10—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 Double gear bottom bracket wheel for bicycles Expired FR1271984A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR810347A FR1271984A (en) 1959-11-17 1959-11-17 Double gear bottom bracket wheel for bicycles

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR810347A FR1271984A (en) 1959-11-17 1959-11-17 Double gear bottom bracket wheel for bicycles

Publications (1)

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

Family

ID=8721375

Family Applications (1)

Application Number Title Priority Date Filing Date
FR810347A Expired FR1271984A (en) 1959-11-17 1959-11-17 Double gear bottom bracket wheel for bicycles

Country Status (1)

Country Link
FR (1) FR1271984A (en)

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

Similar Documents

Publication Publication Date Title
FR1264473A (en) Drive wheel for vehicle
FR1214717A (en) Tire for vehicle wheel
FR1271984A (en) Double gear bottom bracket wheel for bicycles
FR1258729A (en) Wheel for vehicles
FR1251296A (en) Hydraulic steering for vehicles
FR1263040A (en) Wheel cap for automobile
FR1232152A (en) Suspension for vehicles with independent steered wheels
CH365957A (en) Steering gears for automobiles
BE584509A (en) Double gear bottom bracket wheel for bicycles.
FR1210695A (en) Wheel hub cover
FR1211113A (en) Steering wheel
FR1150994A (en) Bicycle wheel
FR1186064A (en) Independent wheel suspension for vehicles
BE591581A (en) Vehicle wheel
FR73375E (en) Steering wheel
FR73852E (en) Hub cap for wheel
FR1213241A (en) Steering mechanism for automobiles
FR1177489A (en) Steering mechanism for vehicles
FR73737E (en) Median Hollow Rim for Vehicle Wheel
FR1192002A (en) Polygonal steering wheel for all vehicles
CA542765A (en) Steering mechanism for automobiles
FR1198856A (en) Spare wheel for vehicles
FR1242067A (en) Vehicle wheel cover trim
FR1279941A (en) Planetary gear for wheel hubs
FR1230596A (en) Front fork for two-wheeled vehicle