FR1021893A - Gear shifting with derailleur, especially for bicycles - Google Patents

Gear shifting with derailleur, especially for bicycles

Info

Publication number
FR1021893A
FR1021893A FR1021893DA FR1021893A FR 1021893 A FR1021893 A FR 1021893A FR 1021893D A FR1021893D A FR 1021893DA FR 1021893 A FR1021893 A FR 1021893A
Authority
FR
France
Prior art keywords
derailleur
bicycles
gear shifting
shifting
gear
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
Tommaso Nieddu
Bruno Mariani
Robert Blaser
Ferdinand Blaser
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 FR1021893A publication Critical patent/FR1021893A/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
    • B62M9/12—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 the chain, belt, or the like being laterally shiftable, e.g. using a rear derailleur
    • B62M9/121—Rear derailleurs
    • B62M9/124—Mechanisms for shifting laterally
FR1021893D 1949-12-06 1950-07-10 Gear shifting with derailleur, especially for bicycles Expired FR1021893A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT1021893X 1949-12-06

Publications (1)

Publication Number Publication Date
FR1021893A true FR1021893A (en) 1953-02-25

Family

ID=11429282

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1021893D Expired FR1021893A (en) 1949-12-06 1950-07-10 Gear shifting with derailleur, especially for bicycles

Country Status (1)

Country Link
FR (1) FR1021893A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4205558A (en) * 1977-08-02 1980-06-03 Henri Juy Method and means for mounting and controlling change speed gears at the rear wheel and the crank-wheel of a bicycle or similar vehicle

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4205558A (en) * 1977-08-02 1980-06-03 Henri Juy Method and means for mounting and controlling change speed gears at the rear wheel and the crank-wheel of a bicycle or similar vehicle

Similar Documents

Publication Publication Date Title
FR1021893A (en) Gear shifting with derailleur, especially for bicycles
FR1025012A (en) Derailleur shifting
FR1010173A (en) Advanced shifting, for bicycles
FR936225A (en) Gear shifting with derailleur for bicycles
FR1011760A (en) Gear shift mechanism
CH289469A (en) Progressive gear change mechanism.
FR1030589A (en) Gear shifting bicycles
FR930416A (en) Gear shifting for bicycles
FR1063020A (en) Gear shift mechanism
FR990452A (en) Gear shift mechanism
BE593700A (en) Spur gear shifting for motorcycles.
FR993540A (en) Chain derailleur for cycle speed change
FR1016103A (en) Gear shift fork for bicycles and similar vehicles
FR1048287A (en) Multi-speed shifting, especially for bicycles
FR59847E (en) Chain guide for gear shifting by chain derailment
CH284880A (en) Gear shift mechanism.
FR920463A (en) Chain Shifting Gear Shift For Bicycle
FR968679A (en) Gear shift mechanism for bicycles and the like
FR1045751A (en) Automatic gear change mechanism, especially for motorcycles
FR939891A (en) Gear shifting for bicycles
FR1006060A (en) Gear shifting for bicycles
FR1013069A (en) Gear change (known as derailleur) for bicycles
FR1031626A (en) Shifting for cycles eliminating the derailleur
FR1014505A (en) Gear shifting for bicycles
FR1006728A (en) Progressive gear shifting