FR844979A - Improvements to derailleurs and chain tensioners for velocipedes - Google Patents

Improvements to derailleurs and chain tensioners for velocipedes

Info

Publication number
FR844979A
FR844979A FR844979DA FR844979A FR 844979 A FR844979 A FR 844979A FR 844979D A FR844979D A FR 844979DA FR 844979 A FR844979 A FR 844979A
Authority
FR
France
Prior art keywords
velocipedes
derailleurs
chain tensioners
tensioners
chain
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
Ange Bellini
Jules Louis Marcucci
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 FR844979A publication Critical patent/FR844979A/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)
FR844979D 1938-10-21 1938-10-21 Improvements to derailleurs and chain tensioners for velocipedes Expired FR844979A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR844979T 1938-10-21

Publications (1)

Publication Number Publication Date
FR844979A true FR844979A (en) 1939-08-07

Family

ID=9312653

Family Applications (1)

Application Number Title Priority Date Filing Date
FR844979D Expired FR844979A (en) 1938-10-21 1938-10-21 Improvements to derailleurs and chain tensioners for velocipedes

Country Status (1)

Country Link
FR (1) FR844979A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2314554A1 (en) * 1973-03-23 1974-10-03 Fichtel & Sachs Ag DERAILLEUR GEAR WITH CHANGE OF THE ANGLE OF THE LEAD WHEEL
EP0018842A2 (en) * 1979-05-04 1980-11-12 Shimano Industrial Company Limited Cycle derailleur with reduced width
EP0020033A2 (en) * 1979-05-04 1980-12-10 Shimano Industrial Company Limited Cycle derailleur with axially fixed pulley

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2314554A1 (en) * 1973-03-23 1974-10-03 Fichtel & Sachs Ag DERAILLEUR GEAR WITH CHANGE OF THE ANGLE OF THE LEAD WHEEL
US3927904A (en) * 1973-03-23 1975-12-23 Fichtel & Sachs Ag Rear derailleur for a bicycle
EP0018842A2 (en) * 1979-05-04 1980-11-12 Shimano Industrial Company Limited Cycle derailleur with reduced width
EP0020033A2 (en) * 1979-05-04 1980-12-10 Shimano Industrial Company Limited Cycle derailleur with axially fixed pulley
EP0018842A3 (en) * 1979-05-04 1981-01-21 Shimano Industrial Company Limited Cycle derailleur with reduced width
EP0020033A3 (en) * 1979-05-04 1981-01-28 Shimano Industrial Company Limited Cycle derailleur with axially fixed pulley
US4348198A (en) * 1979-05-04 1982-09-07 Shimano Industrial Company Limited Bicycle derailleur having a reduced lateral width

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