FR795941A - Gear shifting for bicycles - Google Patents

Gear shifting for bicycles

Info

Publication number
FR795941A
FR795941A FR795941DA FR795941A FR 795941 A FR795941 A FR 795941A FR 795941D A FR795941D A FR 795941DA FR 795941 A FR795941 A FR 795941A
Authority
FR
France
Prior art keywords
bicycles
gear shifting
shifting
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
Albert Hofer
Carl Meyer
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 FR795941A publication Critical patent/FR795941A/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

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
FR795941D 1934-10-15 1935-10-04 Gear shifting for bicycles Expired FR795941A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH795941X 1934-10-15

Publications (1)

Publication Number Publication Date
FR795941A true FR795941A (en) 1936-03-25

Family

ID=4537306

Family Applications (1)

Application Number Title Priority Date Filing Date
FR795941D Expired FR795941A (en) 1934-10-15 1935-10-04 Gear shifting for bicycles

Country Status (1)

Country Link
FR (1) FR795941A (en)

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1009514B (en) * 1954-06-12 1957-05-29 Josef Wiesboeck Sprocket change gear for bicycles u. like vehicles
US4702121A (en) * 1986-07-10 1987-10-27 Hartmann Dirck T Multiple speed driving wheel for pedal powered vehicles
WO2000075005A1 (en) * 1999-06-04 2000-12-14 Llibrer Porcar Jose Bottom bracket shell with built-in micro-derailleur for bicycles
WO2003078133A1 (en) * 2001-08-22 2003-09-25 Llibrer Porcar Jose Miguel Mechanical speed-changing system for bicycles and similar vehicles
ES2201869A1 (en) * 2001-08-22 2004-03-16 Jose Miguel Llibrer Porcar Mechanical speed changing system for bicycles has front and rear axles couple to frame, together with speed changing elements to form independent unit inside groove
ES2221512A1 (en) * 2002-01-18 2004-12-16 Norberto Santin Piedrafita Group-throttle gear for bicycle, has set of pine nuts mounted on bottom bracket and set of pinions that are equipped on secondary axis, and secondary axis located parallel to bottom bracket
DE102008064514A1 (en) * 2008-12-22 2010-07-01 Fineschnitt Gmbh gear unit
NL2002788C2 (en) * 2009-04-23 2010-10-26 Teunis Karel Van Ee TRANSMISSION.
BE1018925A3 (en) * 2009-04-24 2011-11-08 Ee Teunis Karel Van TRANSMISSION.
US10399635B2 (en) 2015-03-25 2019-09-03 Shimano Inc. Bicycle transmission device
US11203396B2 (en) 2015-03-25 2021-12-21 Shimano Inc. Bicycle drive unit

Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1009514B (en) * 1954-06-12 1957-05-29 Josef Wiesboeck Sprocket change gear for bicycles u. like vehicles
US4702121A (en) * 1986-07-10 1987-10-27 Hartmann Dirck T Multiple speed driving wheel for pedal powered vehicles
WO2000075005A1 (en) * 1999-06-04 2000-12-14 Llibrer Porcar Jose Bottom bracket shell with built-in micro-derailleur for bicycles
WO2003078133A1 (en) * 2001-08-22 2003-09-25 Llibrer Porcar Jose Miguel Mechanical speed-changing system for bicycles and similar vehicles
ES2201869A1 (en) * 2001-08-22 2004-03-16 Jose Miguel Llibrer Porcar Mechanical speed changing system for bicycles has front and rear axles couple to frame, together with speed changing elements to form independent unit inside groove
ES2217929A1 (en) * 2001-08-22 2004-11-01 Jose Miguel Llibrer Porcar Mechanical speed changing system for bicycles has front and rear axles couple to frame, together with speed changing elements to form independent unit inside groove
ES2221512A1 (en) * 2002-01-18 2004-12-16 Norberto Santin Piedrafita Group-throttle gear for bicycle, has set of pine nuts mounted on bottom bracket and set of pinions that are equipped on secondary axis, and secondary axis located parallel to bottom bracket
DE102008064514A1 (en) * 2008-12-22 2010-07-01 Fineschnitt Gmbh gear unit
NL2002788C2 (en) * 2009-04-23 2010-10-26 Teunis Karel Van Ee TRANSMISSION.
BE1018925A3 (en) * 2009-04-24 2011-11-08 Ee Teunis Karel Van TRANSMISSION.
US10399635B2 (en) 2015-03-25 2019-09-03 Shimano Inc. Bicycle transmission device
US10994802B2 (en) 2015-03-25 2021-05-04 Shimano Inc. Bicycle transmission device
US11203396B2 (en) 2015-03-25 2021-12-21 Shimano Inc. Bicycle drive unit

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