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FR1348324A - Automatic gear shifting for bicycles - Google Patents

Automatic gear shifting for bicycles

Info

Publication number
FR1348324A
FR1348324A FR925976A FR925976A FR1348324A FR 1348324 A FR1348324 A FR 1348324A FR 925976 A FR925976 A FR 925976A FR 925976 A FR925976 A FR 925976A FR 1348324 A FR1348324 A FR 1348324A
Authority
FR
France
Prior art keywords
bicycles
gear shifting
automatic gear
automatic
shifting
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
FR925976A
Other languages
French (fr)
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.)
Bridgestone Cycle Co Ltd
Original Assignee
Bridgestone Cycle Co Ltd
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 Bridgestone Cycle Co Ltd filed Critical Bridgestone Cycle Co Ltd
Priority to FR925976A priority Critical patent/FR1348324A/en
Application granted granted Critical
Publication of FR1348324A publication Critical patent/FR1348324A/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
    • B62M11/00—Transmissions characterised by the use of interengaging toothed wheels or frictionally-engaging wheels
    • B62M11/04—Transmissions characterised by the use of interengaging toothed wheels or frictionally-engaging wheels of changeable ratio
    • B62M11/14—Transmissions characterised by the use of interengaging toothed wheels or frictionally-engaging wheels of changeable ratio with planetary gears

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
FR925976A 1963-02-26 1963-02-26 Automatic gear shifting for bicycles Expired FR1348324A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR925976A FR1348324A (en) 1963-02-26 1963-02-26 Automatic gear shifting for bicycles

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR925976A FR1348324A (en) 1963-02-26 1963-02-26 Automatic gear shifting for bicycles

Publications (1)

Publication Number Publication Date
FR1348324A true FR1348324A (en) 1964-01-04

Family

ID=8797859

Family Applications (1)

Application Number Title Priority Date Filing Date
FR925976A Expired FR1348324A (en) 1963-02-26 1963-02-26 Automatic gear shifting for bicycles

Country Status (1)

Country Link
FR (1) FR1348324A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3540309A (en) * 1967-12-02 1970-11-17 Shimano Industrial Co Front chain sprocket having a built-in automatic speed change mechanism
US3603178A (en) * 1968-11-15 1971-09-07 Fichtel & Sachs Ag Multiple-speed bicycle hub with centrifugal governor
WO2011065850A1 (en) * 2009-11-27 2011-06-03 Wiktor Migaszewski Planetary gear

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3540309A (en) * 1967-12-02 1970-11-17 Shimano Industrial Co Front chain sprocket having a built-in automatic speed change mechanism
US3603178A (en) * 1968-11-15 1971-09-07 Fichtel & Sachs Ag Multiple-speed bicycle hub with centrifugal governor
WO2011065850A1 (en) * 2009-11-27 2011-06-03 Wiktor Migaszewski Planetary gear

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