FR1017246A - New gear change for cycles by reduction on the crank axle - Google Patents

New gear change for cycles by reduction on the crank axle

Info

Publication number
FR1017246A
FR1017246A FR1017246DA FR1017246A FR 1017246 A FR1017246 A FR 1017246A FR 1017246D A FR1017246D A FR 1017246DA FR 1017246 A FR1017246 A FR 1017246A
Authority
FR
France
Prior art keywords
cycles
reduction
gear change
crank axle
new 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
Fernand-Ernest Deria
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 FR1017246A publication Critical patent/FR1017246A/en
Expired legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H3/00—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion
    • F16H3/44—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion using gears having orbital motion
    • F16H3/62—Gearings having three or more central gears
    • F16H3/66—Gearings having three or more central gears composed of a number of gear trains without drive passing from one train to another
    • 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H2200/00—Transmissions for multiple ratios
    • F16H2200/20—Transmissions using gears with orbital motion
    • F16H2200/2002—Transmissions using gears with orbital motion characterised by the number of sets of orbital gears
    • F16H2200/201—Transmissions using gears with orbital motion characterised by the number of sets of orbital gears with three sets of orbital gears
FR1017246D 1950-03-21 1950-03-21 New gear change for cycles by reduction on the crank axle Expired FR1017246A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1017246T 1950-03-21

Publications (1)

Publication Number Publication Date
FR1017246A true FR1017246A (en) 1952-12-04

Family

ID=9574353

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1017246D Expired FR1017246A (en) 1950-03-21 1950-03-21 New gear change for cycles by reduction on the crank axle

Country Status (1)

Country Link
FR (1) FR1017246A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2005116483A1 (en) * 2004-05-27 2005-12-08 Paolo Nardelli Hypocycloidal gearwheel for modifying an angular speed between two shafts and a bicycle provided with said hypocycloidal gearwheel
DE102013208220A1 (en) * 2013-05-06 2014-11-06 Robert Bosch Gmbh Switching arrangement for an electrically operated bicycle and two-wheeler
DE102013212898A1 (en) * 2013-07-02 2015-01-08 Robert Bosch Gmbh Drive device for an electric two-wheeler

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2005116483A1 (en) * 2004-05-27 2005-12-08 Paolo Nardelli Hypocycloidal gearwheel for modifying an angular speed between two shafts and a bicycle provided with said hypocycloidal gearwheel
US7963878B2 (en) 2004-05-27 2011-06-21 Paolo Nardelli Hypocycloidal gear train for varying the speed between two shafts and a bicycle having such a hypocycloidal gear train
DE102013208220A1 (en) * 2013-05-06 2014-11-06 Robert Bosch Gmbh Switching arrangement for an electrically operated bicycle and two-wheeler
DE102013212898A1 (en) * 2013-07-02 2015-01-08 Robert Bosch Gmbh Drive device for an electric two-wheeler
DE102013212898B4 (en) 2013-07-02 2023-11-02 Robert Bosch Gmbh Drive device for an electric two-wheeler

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