FR2640931B1 - - Google Patents
Info
- Publication number
- FR2640931B1 FR2640931B1 FR8817233A FR8817233A FR2640931B1 FR 2640931 B1 FR2640931 B1 FR 2640931B1 FR 8817233 A FR8817233 A FR 8817233A FR 8817233 A FR8817233 A FR 8817233A FR 2640931 B1 FR2640931 B1 FR 2640931B1
- Authority
- FR
- France
- 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
- B62M9/131—Front derailleurs
- B62M9/136—Chain guides; Mounting thereof
-
- 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
- B62M9/131—Front derailleurs
- B62M9/134—Mechanisms for shifting laterally
- B62M9/1342—Mechanisms for shifting laterally characterised by the linkage mechanisms
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Transmission Devices (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR8817233A FR2640931A1 (en) | 1988-12-27 | 1988-12-27 | Dérailleur for a bicycle front crank gear |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR8817233A FR2640931A1 (en) | 1988-12-27 | 1988-12-27 | Dérailleur for a bicycle front crank gear |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2640931A1 FR2640931A1 (en) | 1990-06-29 |
FR2640931B1 true FR2640931B1 (US07122547-20061017-C00273.png) | 1991-04-12 |
Family
ID=9373461
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR8817233A Granted FR2640931A1 (en) | 1988-12-27 | 1988-12-27 | Dérailleur for a bicycle front crank gear |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR2640931A1 (US07122547-20061017-C00273.png) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
IT1246521B (it) * | 1991-02-11 | 1994-11-24 | Giuseppe Gabrielli | Bicicletta con serie di moltipliche e cambio anteriore di velocita'. |
DE19704095B4 (de) * | 1997-02-04 | 2006-01-12 | Sram Deutschland Gmbh | Kettenumwerfer mit variabler Befestigung |
US8678962B2 (en) * | 2010-12-15 | 2014-03-25 | Sram, Llc | Bicycle derailleur and method |
US9284017B2 (en) | 2010-12-15 | 2016-03-15 | Sram, Llc | Bicycle derailleur and method |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR1118883A (fr) * | 1955-01-06 | 1956-06-12 | Perfectionnements aux dérailleurs de chaîne | |
JPH0829743B2 (ja) * | 1986-04-11 | 1996-03-27 | 島野工業株式会社 | 自転車用フロントデイレ−ラ− |
-
1988
- 1988-12-27 FR FR8817233A patent/FR2640931A1/fr active Granted
Also Published As
Publication number | Publication date |
---|---|
FR2640931A1 (en) | 1990-06-29 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
CL | Concession to grant licenses | ||
ST | Notification of lapse |