FR905884A - Chainless gear change completely enclosed, with a gearbox comprising for example two speeds, in particular for bicycles - Google Patents

Chainless gear change completely enclosed, with a gearbox comprising for example two speeds, in particular for bicycles

Info

Publication number
FR905884A
FR905884A FR905884DA FR905884A FR 905884 A FR905884 A FR 905884A FR 905884D A FR905884D A FR 905884DA FR 905884 A FR905884 A FR 905884A
Authority
FR
France
Prior art keywords
bicycles
gearbox
speeds
gear change
completely enclosed
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
Karl Venygr
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 FR905884A publication Critical patent/FR905884A/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
    • 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
    • B62M11/06—Transmissions characterised by the use of interengaging toothed wheels or frictionally-engaging wheels of changeable ratio with spur gear wheels
    • 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
    • B62M17/00—Transmissions characterised by use of rotary shaft, e.g. cardan shaft

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
FR905884D 1942-12-28 1944-07-17 Chainless gear change completely enclosed, with a gearbox comprising for example two speeds, in particular for bicycles Expired FR905884A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE905884X 1942-12-28

Publications (1)

Publication Number Publication Date
FR905884A true FR905884A (en) 1945-12-17

Family

ID=6862436

Family Applications (1)

Application Number Title Priority Date Filing Date
FR905884D Expired FR905884A (en) 1942-12-28 1944-07-17 Chainless gear change completely enclosed, with a gearbox comprising for example two speeds, in particular for bicycles

Country Status (2)

Country Link
FR (1) FR905884A (en)
SE (1) SE114166C1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2002034615A1 (en) * 2000-10-27 2002-05-02 Georges Nicolas Vaskas Combined out-in stroke mechanical transmission for facilitating and multiplying the speed of cycles and other pedal appliances

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE8302022L (en) * 1983-04-12 1984-10-13 Ake Enoksson DRIVLINE FOR BIKE

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2002034615A1 (en) * 2000-10-27 2002-05-02 Georges Nicolas Vaskas Combined out-in stroke mechanical transmission for facilitating and multiplying the speed of cycles and other pedal appliances
FR2815931A1 (en) * 2000-10-27 2002-05-03 Georges Nicolas Vaskas COMBINED ROUND-BACK MECHANICAL TRANSMISSION TO FACILITATE AND MULTIPLY THE SPEED OF CYCLES AND OTHER PEDAL SYSTEMS

Also Published As

Publication number Publication date
SE114166C1 (en) 1945-06-05

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