BE853784A - RODS MECHANISM TO INCREASE THE TORQUE WHEN DRIVING A BICYCLE AND REDUCE THE PHYSICAL FORCE - Google Patents
RODS MECHANISM TO INCREASE THE TORQUE WHEN DRIVING A BICYCLE AND REDUCE THE PHYSICAL FORCEInfo
- Publication number
- BE853784A BE853784A BE1008089A BE1008089A BE853784A BE 853784 A BE853784 A BE 853784A BE 1008089 A BE1008089 A BE 1008089A BE 1008089 A BE1008089 A BE 1008089A BE 853784 A BE853784 A BE 853784A
- Authority
- BE
- Belgium
- Prior art keywords
- bicycle
- reduce
- increase
- torque
- driving
- Prior art date
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
- B62M1/00—Rider propulsion of wheeled vehicles
- B62M1/36—Rider propulsion of wheeled vehicles with rotary cranks, e.g. with pedal cranks
-
- 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)
- Mechanical Control Devices (AREA)
Description
<EMI ID=1.1>
Het systeem heeft tot doel de fysische kracht voor het voortbewegen van een fiets te verminderen.
<EMI ID=2.1>
verhogen, uitgaande van dezelfde kracht op de trapper�
Omgekeerd kan eenzelfde moment verkregen worden met verminderde
<EMI ID=3.1>
beweeglijke vierzijden.
De trappers worden in het midden van de stangt aangebracht en beschrijven een cirkelvormige beweging zoals de trappers van de klassieke fiets. Dit is een belangrijk voordeel t.o.v. andere meer gesofistikeerde systemen waarbij de trappers een ingewikkelde baan beschrijven wat tegen de normale rijgewoonten indruist.
De vermeerdering van het moment wordt bewezen als volgt :
<EMI ID=4.1>
moment M = l.P.cosCk bij .de klassieke fiets.
Het moment in het nieuwe systeem is eveneens maximaal voor
<EMI ID=5.1>
groter dan bij de klassieke fiets.
Besluit :
<EMI ID=6.1>
kleinere fysische kracht P uit te oefenen op de trappers dan bij de klassieke fiets. De konstruktie is eenvoudig en aan de rijgewoonten moet niets gewijzigd worden daar de trappers een cirkelvormige baan beschrijven zoals bij de klassieke fiets.
<EMI ID = 1.1>
The aim of the system is to reduce the physical force for moving a bicycle.
<EMI ID = 2.1>
increase, assuming the same force on the treadle �
Conversely, the same moment can be obtained with reduced
<EMI ID = 3.1>
movable four sides.
The pedals are placed in the center of the bar and describe a circular movement like the pedals of the classic bicycle. This is an important advantage over other more sophisticated systems where the pedals describe a complex track that goes against normal driving habits.
The multiplication of the moment is proven as follows:
<EMI ID = 4.1>
moment M = l.P.cosCk at .the classic bicycle.
The moment in the new system is also maximum for
<EMI ID = 5.1>
larger than with the classic bicycle.
Decision:
<EMI ID = 6.1>
less physical force P to exert on the pedals than with the classic bicycle. The construction is simple and the riding habits do not need to be changed as the pedals describe a circular track like the classic bicycle.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
BE1008089A BE853784A (en) | 1977-04-21 | 1977-04-21 | RODS MECHANISM TO INCREASE THE TORQUE WHEN DRIVING A BICYCLE AND REDUCE THE PHYSICAL FORCE |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
BE1008089A BE853784A (en) | 1977-04-21 | 1977-04-21 | RODS MECHANISM TO INCREASE THE TORQUE WHEN DRIVING A BICYCLE AND REDUCE THE PHYSICAL FORCE |
BE853784 | 1977-04-21 |
Publications (1)
Publication Number | Publication Date |
---|---|
BE853784A true BE853784A (en) | 1977-08-16 |
Family
ID=25658197
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BE1008089A BE853784A (en) | 1977-04-21 | 1977-04-21 | RODS MECHANISM TO INCREASE THE TORQUE WHEN DRIVING A BICYCLE AND REDUCE THE PHYSICAL FORCE |
Country Status (1)
Country | Link |
---|---|
BE (1) | BE853784A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2000027690A1 (en) * | 1998-11-10 | 2000-05-18 | Jacques Andre | Crankset device |
NL2000834C2 (en) * | 2007-08-28 | 2009-03-03 | Five Stars Food Equipment B V | Bicycle. |
-
1977
- 1977-04-21 BE BE1008089A patent/BE853784A/en unknown
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2000027690A1 (en) * | 1998-11-10 | 2000-05-18 | Jacques Andre | Crankset device |
GB2358842A (en) * | 1998-11-10 | 2001-08-08 | Andre Jacques | Crankset device |
GB2358842B (en) * | 1998-11-10 | 2003-02-12 | Andre Jacques | Proof that the contraction of the calf cannot increase the pressure on the pedal and mechanisms to make use of this fundamental discovery |
NL2000834C2 (en) * | 2007-08-28 | 2009-03-03 | Five Stars Food Equipment B V | Bicycle. |
WO2009028933A1 (en) | 2007-08-28 | 2009-03-05 | Five Stars Food Equipment B.V. | Human poviered vehicle |
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