ES2103540T3 - Dispositivo de biela y manivela para la transmision de energia con eliminacion de puntos muertos, particularmente adecuado para bicicletas y similares. - Google Patents
Dispositivo de biela y manivela para la transmision de energia con eliminacion de puntos muertos, particularmente adecuado para bicicletas y similares.Info
- Publication number
- ES2103540T3 ES2103540T3 ES94201772T ES94201772T ES2103540T3 ES 2103540 T3 ES2103540 T3 ES 2103540T3 ES 94201772 T ES94201772 T ES 94201772T ES 94201772 T ES94201772 T ES 94201772T ES 2103540 T3 ES2103540 T3 ES 2103540T3
- Authority
- ES
- Spain
- Prior art keywords
- crank
- bicycles
- particularly suitable
- energy transmission
- dead point
- 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 - Lifetime
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
- B62M3/00—Construction of cranks operated by hand or foot
- B62M3/02—Construction of cranks operated by hand or foot of adjustable length
- B62M3/04—Construction of cranks operated by hand or foot of adjustable length automatically adjusting
-
- 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
- B62M3/00—Construction of cranks operated by hand or foot
- B62M2003/006—Crank arrangements to overcome dead points
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Transmission Devices (AREA)
Abstract
EL CIGUEÑAL DE PEDAL (32,34) EN EL GRUPO DE PROPULSION DE UNA BICICLETA O SIMILAR GIRA INDEPENDIENTEMENTE CON RESPECTO A OTRO ALREDEDOR DEL EJE (A), Y ES PARALELO Y ESPACIADO A DISTANCIA (D) DEL EJE (B) DE UN PIÑON MOTRIZ DE CADENA (28). CADA CIGUEÑAL DE PEDAL ESTA FORZADO A GIRAR JUNTO CON EL PIÑON PERO ES LIBRE PARA MOVERSE SOBRE DICHA RUEDA. ES PROVISTO UN AJUSTE PARA LA POSICION DEL PIÑON, ALREDEDOR DEL EJE DEL CIGUEÑAL DE PEDAL.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT93MI001343A IT1264872B1 (it) | 1993-06-22 | 1993-06-22 | Dispositivo di trasmissione di energia a manovellismo con eliminazione dei punti morti, particolarmente per biciclette e simili |
US08/554,428 US5755635A (en) | 1993-01-28 | 1995-11-06 | Crank device for the transmission of energy with elimination of dead centers, particularly suited for bicycles and the like |
Publications (1)
Publication Number | Publication Date |
---|---|
ES2103540T3 true ES2103540T3 (es) | 1997-09-16 |
Family
ID=26331010
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES94201772T Expired - Lifetime ES2103540T3 (es) | 1993-06-22 | 1994-06-21 | Dispositivo de biela y manivela para la transmision de energia con eliminacion de puntos muertos, particularmente adecuado para bicicletas y similares. |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP0630804B1 (es) |
DE (1) | DE69402763T2 (es) |
ES (1) | ES2103540T3 (es) |
IT (1) | IT1264872B1 (es) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5755635A (en) * | 1993-01-28 | 1998-05-26 | Draco Limited | Crank device for the transmission of energy with elimination of dead centers, particularly suited for bicycles and the like |
AU2005201807C1 (en) * | 2004-11-01 | 2006-08-03 | Gorza, A. E. | A Bicycle Crankshaft and Chain Wheel Assembly |
KR101346065B1 (ko) * | 2012-03-15 | 2013-12-31 | 주식회사 에파테크 | 자전거 동력발생장치 |
WO2020221379A1 (en) * | 2019-04-29 | 2020-11-05 | Havelka Petr | Bicycle drivetrain system with variable angular velocity of pedals |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR763303A (es) * | 1934-04-26 | |||
GB815772A (en) * | 1957-01-26 | 1959-07-01 | Oscar Stettler | Improvements in or relating to crank mechanisms for cycles |
FR1296591A (fr) * | 1961-03-20 | 1962-06-22 | Pédalier permettant l'allongement de la manivelle |
-
1993
- 1993-06-22 IT IT93MI001343A patent/IT1264872B1/it active IP Right Grant
-
1994
- 1994-06-21 ES ES94201772T patent/ES2103540T3/es not_active Expired - Lifetime
- 1994-06-21 EP EP94201772A patent/EP0630804B1/en not_active Expired - Lifetime
- 1994-06-21 DE DE69402763T patent/DE69402763T2/de not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
DE69402763D1 (de) | 1997-05-28 |
ITMI931343A0 (it) | 1993-06-22 |
EP0630804B1 (en) | 1997-04-23 |
DE69402763T2 (de) | 1998-05-20 |
IT1264872B1 (it) | 1996-10-17 |
EP0630804A1 (en) | 1994-12-28 |
ITMI931343A1 (it) | 1994-12-22 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
FG2A | Definitive protection |
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