FR1048895A - Automatic gear shifting for bicycles - Google Patents

Automatic gear shifting for bicycles

Info

Publication number
FR1048895A
FR1048895A FR1048895DA FR1048895A FR 1048895 A FR1048895 A FR 1048895A FR 1048895D A FR1048895D A FR 1048895DA FR 1048895 A FR1048895 A FR 1048895A
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
Other languages
French (fr)
Inventor
Antonio Nocelli
Nemesio Marquez
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 FR1048895A publication Critical patent/FR1048895A/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
    • 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
    • B62M2009/12413—Rear derailleur comprising telescoping mechanisms

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
FR1048895D 1951-10-26 1951-10-26 Automatic gear shifting for bicycles Expired FR1048895A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1048895T 1951-10-26

Publications (1)

Publication Number Publication Date
FR1048895A true FR1048895A (en) 1953-12-24

Family

ID=9593442

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1048895D Expired FR1048895A (en) 1951-10-26 1951-10-26 Automatic gear shifting for bicycles

Country Status (1)

Country Link
FR (1) FR1048895A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2839939A (en) * 1954-06-11 1958-06-24 Juy Lucien Charles Hippolyte Change-speed gear
WO1981003646A1 (en) * 1980-06-18 1981-12-24 J Cotter Automatic transmission shifter for bicycles
EP0246807A2 (en) * 1986-05-22 1987-11-25 DUTIL, Robert Automatic transmission for multi-speed bicycle

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2839939A (en) * 1954-06-11 1958-06-24 Juy Lucien Charles Hippolyte Change-speed gear
WO1981003646A1 (en) * 1980-06-18 1981-12-24 J Cotter Automatic transmission shifter for bicycles
EP0246807A2 (en) * 1986-05-22 1987-11-25 DUTIL, Robert Automatic transmission for multi-speed bicycle
EP0246807A3 (en) * 1986-05-22 1989-01-25 DUTIL, Robert Automatic transmission for multi-speed bicycle

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