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FR437451A - Gear change on crankset, for bicycles, tandems and tri-carriers - Google Patents

Gear change on crankset, for bicycles, tandems and tri-carriers

Info

Publication number
FR437451A
FR437451A FR437451DA FR437451A FR 437451 A FR437451 A FR 437451A FR 437451D A FR437451D A FR 437451DA FR 437451 A FR437451 A FR 437451A
Authority
FR
France
Prior art keywords
crankset
tandems
bicycles
tri
carriers
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
Jean Lacaux
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.)
JEAN LACAUX
Original Assignee
JEAN LACAUX
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 JEAN LACAUX filed Critical JEAN LACAUX
Application granted granted Critical
Publication of FR437451A publication Critical patent/FR437451A/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
    • B62M11/145—Transmissions characterised by the use of interengaging toothed wheels or frictionally-engaging wheels of changeable ratio with planetary gears built in, or adjacent to, the bottom bracket

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
FR437451D 1911-12-11 1911-12-11 Gear change on crankset, for bicycles, tandems and tri-carriers Expired FR437451A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR437451T 1911-12-11

Publications (1)

Publication Number Publication Date
FR437451A true FR437451A (en) 1912-04-22

Family

ID=1479060

Family Applications (1)

Application Number Title Priority Date Filing Date
FR437451D Expired FR437451A (en) 1911-12-11 1911-12-11 Gear change on crankset, for bicycles, tandems and tri-carriers

Country Status (1)

Country Link
FR (1) FR437451A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102013005660A1 (en) * 2013-04-02 2014-10-02 Herbert Böhm Device for achieving that a bicycle, even if it is stepped in a clockwise direction, does not travel backwards, but moves forward.
CN106949200A (en) * 2017-05-11 2017-07-14 张家港川梭车业有限公司 A kind of Two-wheeled ratchet movable type gearshift three keeps off speed change gear

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102013005660A1 (en) * 2013-04-02 2014-10-02 Herbert Böhm Device for achieving that a bicycle, even if it is stepped in a clockwise direction, does not travel backwards, but moves forward.
CN106949200A (en) * 2017-05-11 2017-07-14 张家港川梭车业有限公司 A kind of Two-wheeled ratchet movable type gearshift three keeps off speed change gear
CN106949200B (en) * 2017-05-11 2023-09-22 张家港川梭车业有限公司 Movable gear shifting three-gear speed changing device with two-wheel driving pawls

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