FR648447A - Gear changing device for bicycles, tricycles, etc. - Google Patents
Gear changing device for bicycles, tricycles, etc.Info
- Publication number
- FR648447A FR648447A FR648447DA FR648447A FR 648447 A FR648447 A FR 648447A FR 648447D A FR648447D A FR 648447DA FR 648447 A FR648447 A FR 648447A
- Authority
- FR
- France
- Prior art keywords
- tricycles
- bicycles
- changing device
- gear changing
- 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
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
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR648447T | 1928-02-06 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR648447A true FR648447A (en) | 1928-12-10 |
Family
ID=9002708
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR648447D Expired FR648447A (en) | 1928-02-06 | 1928-02-06 | Gear changing device for bicycles, tricycles, etc. |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR648447A (en) |
-
1928
- 1928-02-06 FR FR648447D patent/FR648447A/en not_active Expired
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