FR915139A - Improvements to gear changes by derailment of chains for bicycles, tandems or the like - Google Patents

Improvements to gear changes by derailment of chains for bicycles, tandems or the like

Info

Publication number
FR915139A
FR915139A FR915139DA FR915139A FR 915139 A FR915139 A FR 915139A FR 915139D A FR915139D A FR 915139DA FR 915139 A FR915139 A FR 915139A
Authority
FR
France
Prior art keywords
tandems
derailment
bicycles
chains
gear changes
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
Lucien Juy
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 FR915139A publication Critical patent/FR915139A/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)
FR915139D 1945-09-28 1945-09-28 Improvements to gear changes by derailment of chains for bicycles, tandems or the like Expired FR915139A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR915139T 1945-09-28

Publications (1)

Publication Number Publication Date
FR915139A true FR915139A (en) 1946-10-28

Family

ID=9422692

Family Applications (1)

Application Number Title Priority Date Filing Date
FR915139D Expired FR915139A (en) 1945-09-28 1945-09-28 Improvements to gear changes by derailment of chains for bicycles, tandems or the like

Country Status (1)

Country Link
FR (1) FR915139A (en)

Similar Documents

Publication Publication Date Title
FR928790A (en) Wheel improvements for vehicles
FR915139A (en) Improvements to gear changes by derailment of chains for bicycles, tandems or the like
FR918227A (en) Improvements to the inner caps for combat helmets
FR967698A (en) Chain guide for gear change by chain derailment
FR920831A (en) Improvements to gear changes with chain derailleurs to cranksets for bicycles, tandems or similar
CH247623A (en) Handlebars for tiller.
FR1017449A (en) Improvements to gear changes for cycles, by derailment of the chain
FR922083A (en) Improvements to non-blinding lighting for vehicle crossings
FR915334A (en) Improvements to chain derailleurs for cycles
FR910559A (en) Advanced bicycle crankset
FR936897A (en) Improvements to vehicle steering mechanisms
FR938066A (en) Improvements to gear changes
FR995794A (en) Improvement in gear changes for cycles by derailing the chain
FR917923A (en) Pedal gear for bicycle
FR925578A (en) Coupling of toothed wheels for bicycles, tandems or the like
FR991140A (en) Improvements to gear changes by chain derailment
FR1017448A (en) Improvements to gear changes by derailing the chain
FR56046E (en) Reciprocating system for gear change by chain derailment
FR995501A (en) Improvements made to planetary gear reducers
FR991691A (en) Improvement in gear changes by chain derailment
FR928558A (en) Improvements to steering mechanisms
FR926197A (en) Gear shifting by chain derailment at the crankset for bicycles, tandems or the like
FR910628A (en) Improvements to clamps and brake handles for bicycles, tandems or the like
FR965980A (en) Two-way system for chain derailment gear change
FR907046A (en) Gear shifting by chain derailment