FR1221E - A machine producing a gear change called the "3-speed" intended for bicycles, tandems, etc. - Google Patents

A machine producing a gear change called the "3-speed" intended for bicycles, tandems, etc.

Info

Publication number
FR1221E
FR1221E FR1221DA FR1221E FR 1221 E FR1221 E FR 1221E FR 1221D A FR1221D A FR 1221DA FR 1221 E FR1221 E FR 1221E
Authority
FR
France
Prior art keywords
tandems
bicycles
intended
speed
gear change
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
Brossard Antoine
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
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 by Individual filed Critical Individual
Application granted granted Critical
Publication of FR1221E publication Critical patent/FR1221E/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
    • B62M11/14—Transmissions characterised by the use of interengaging toothed wheels or frictionally-engaging wheels of changeable ratio with planetary gears
    • B62M11/145—Transmissions characterised by the use of interengaging toothed wheels or frictionally-engaging wheels of changeable ratio with planetary gears built in, or adjacent to, the bottom bracket

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
FR1221D 1901-12-17 1902-12-16 A machine producing a gear change called the "3-speed" intended for bicycles, tandems, etc. Expired FR1221E (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR316925T 1901-12-17
FR1221T 1902-12-16

Publications (1)

Publication Number Publication Date
FR1221E true FR1221E (en) 1903-06-23

Family

ID=1343195

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1221D Expired FR1221E (en) 1901-12-17 1902-12-16 A machine producing a gear change called the "3-speed" intended for bicycles, tandems, etc.

Country Status (1)

Country Link
FR (1) FR1221E (en)

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