FR2606358A1 - Cycle pedal mechanism modification - Google Patents
Cycle pedal mechanism modification Download PDFInfo
- Publication number
- FR2606358A1 FR2606358A1 FR8612307A FR8612307A FR2606358A1 FR 2606358 A1 FR2606358 A1 FR 2606358A1 FR 8612307 A FR8612307 A FR 8612307A FR 8612307 A FR8612307 A FR 8612307A FR 2606358 A1 FR2606358 A1 FR 2606358A1
- Authority
- FR
- France
- Prior art keywords
- axis
- pedal
- pinion
- rotation
- chain
- 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.)
- Withdrawn
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)
- Transmission Devices (AREA)
Abstract
Description
Le but de cette invention est a'augmenter le moment de la force appliquée sur l'axe du pédalier 17 en augmentant la distance D d'amplication de la force
Voir fig. 5
sur la pédale,tott en gardant la même amplitude de mouvement du
La présente invention concerne un pédalier a pédales exentrées,
Le pédalier a pédales exentrées est formé de deux bras 18 dont un seul est représenté aux figures puisque le-- deux bras et les différents organes et pieces constitutifs sont identiques
Le bras 18 supporte une pédale par l'intermediaire d'un palier realise a l'extremité du bras et de l'axe 1.The object of this invention is to increase the moment of the force applied to the crank axle 17 by increasing the force amplification distance D
See fig. 5
on the pedal, tott keeping the same range of motion of the
The present invention relates to an eccentric pedal pedals,
The pedals pedal exentrées is formed of two arms 18, only one of which is shown in the figures since the two arms and the various components and components are identical
The arm 18 supports a pedal by means of a bearing made at the end of the arm and the axis 1.
Sur une extremité de l'axe 1 est fixé exentré mais paralléle a l'axe 1 laxe de pédale 2 Sur l'autre extremité de l'axe 1 est fixé par clavetage le pignon 3 , 1 et 3 sont concentrique .On one end of the axis 1 is fixed off-center but parallel to the axis 1 pedal lax 2 On the other end of the axis 1 is fixed by keying pinion 3, 1 and 3 are concentric.
Le pignon 3 est en liaison en rotation .avec le pignon 4 par l'intermédiaire de la chaîne 5, Les pignons 3 et 4 ont le meme diamètre.The pinion 3 is connected in rotation with the pinion 4 via the chain 5, the pinions 3 and 4 have the same diameter.
Le pignon 4 est concentrique a l'axe du pédalier.The pinion 4 is concentric to the axis of the pedal.
Le pignon 4 est lié en rotation et translation au pignon 7 par la piece 8, la bague 20,et l'ecrou 21 .L'extrémite de 8 est filetée.Les pignons 4 et 7 sont concentriques.La piece 8 est libre en rotation sur la piece 9.The pinion 4 is linked in rotation and translation to the pinion 7 by the piece 8, the ring 20, and the nut 21. The end of 8 is threaded. The pinions 4 and 7 are concentric. The piece 8 is free to rotate. in room 9.
Le pignon 7 est lié au pignon 10 par l'intermédiaire de la chaine 11.The pinion 7 is connected to the pinion 10 via the chain 11.
Le pignon10 est monte par clavetage a l'extremite de l'axe 12.The pinion 10 is mounted by keying at the end of the axis 12.
A l'autre extremite de l'axe 12 est monte un pignons 10' identique au pignon 10 lequel par l'intermédiaire d'une chaine 11' est lie a un pignon7 identique aupignon 7 est monté sur une pièce 8' identique a la pièce 8
LE pignon 7' est solidaire du pignon 4' La piece 8' est libre en rotation eur la piece 9' identique a 9.Le pignon 4' est identique au pignon 4
Le pignon 4' est en liaison avec le pignon 3' par la chaine 5'.At the other end of the axis 12 is mounted a pinion 10 'identical to the pinion 10 which, via a chain 11' is connected to a pinion 7 identical aupignon 7 is mounted on a piece 8 'identical to the piece 8
The pinion 7 'is integral with the pinion 4' The piece 8 'is free to rotate with the piece 9' identical to 9. The pinion 4 'is identical to the pinion 4
The pinion 4 'is connected to the pinion 3' by the chain 5 '.
Le pignon 3' est identique au pignon 3,
Le pignon 3' est monte sur l'extrémité de l'axe 1' identique a l'axe 1 axe 1' sur lequel est monté l'axe de pédale 2' identique a l'axe 2 > sur l'axe 2' est monte la pédale 15'.The pinion 3 'is identical to the pinion 3,
The pinion 3 'is mounted on the end of the axis 1' identical to the axis 1 axis 1 'on which is mounted the pedal axis 2' identical to the axis 2> on the axis 2 'is ride the pedal 15 '.
LA pétale 15' est identique a la pédale 15.The petal 15 'is identical to the pedal 15.
Sur 12 est monte un disque 13 ,le disque 13 est en contact du disque 14 et doit permetre une rotation de 12 avant de l'immobiliser dans une position quelconque,c'est cette position qui donne l'angle d'inclinaison par rapport a l'horizontale de la pédale 15
Le disque 14 est fixé sur le cadre du velo par boulonnage
La piece 9 est en contact du disque 16,et peut se desaxer par rapport al'axe 17 un dispositif de blocage permet de maintenir la piece 9 Dans une position definie.Le desaxage de la piece 9 modifi l'ange a'inclinaiso ar rapport a l'horizontale au cours de la rotation
P"
SElon une autre caracteristique de l'invention > l'axe 1 doit passer a travers l'extrémite du pédalier 18 pour supporter le pignon 3 qui par l'intermédiaire de la chaine 5 est lie au pignon 4 fixe.On 12 is mounted a disk 13, the disk 13 is in contact with the disk 14 and must allow a rotation of 12 before immobilizing it in any position, it is this position that gives the angle of inclination with respect to the horizontal of the pedal 15
The disc 14 is fixed on the frame of the bicycle by bolting
The piece 9 is in contact with the disc 16, and can be off-axis with respect to the axis 17, a locking device makes it possible to hold the piece 9 in a defined position. The adjustment of the piece 9 modifies the angel to be inclined. horizontally during the rotation
P "
SElon another feature of the invention> the axis 1 must pass through the end of the pedal 18 to support the pinion 3 which through the chain 5 is connected to the pinion 4 fixed.
Selon une autre caractéristique de l'invention les pignons 3 et 4 ont le meme diamétre pour faire faire un tour a l'axe excentré 1 quand le bras
de pédalier 18 aura fait un tour.According to another characteristic of the invention the gears 3 and 4 have the same diameter to make a turn to the eccentric axis 1 when the arm
of bottom bracket 18 will have made a turn.
selon une autre caractéristique de l'invention la pédale t5 est lié en rotation et en translation avec son axe 2 qui lui meme est immobilise dans une position excentré mais parallele sur ltextrémite de l'axe 1. according to another characteristic of the invention, the pedal t5 is linked in rotation and in translation with its axis 2 which itself is immobilized in an eccentric but parallel position on the end of the axis 1.
La piece 9 doit etre concentrique a l'axe du pédalier 17 ,ceci pour avoir lors de la rotation du pédalier 18 une assise de pédale toujours parallele a l'horizontale ou un angle par rapport a l'horizontale constant.The piece 9 must be concentric with the axis of the pedal 17, this to have during the rotation of the pedal 18 a pedal base always parallel to the horizontal or an angle relative to the horizontal constant.
Selon une autre caractéristique de l'invention la piece 9 peut etre desaxe mais rester parallele a l'axe de pedalier 17ceci dans le but d'obtenir une ondulation de la pedale pour avoir une meilleure position de l'assise de pedale a unmoment sur le cycle de rotation du pédalier,
selon une autre caracteristique de l'invention la pedale 15 peut ne pas être lié en rotation a son axe de ce fait avec le désaxage de son axe 2 par rapport a l'axe 1 permet de regler la position de l'axe de la pedale 2 par rapport a l'axez (audessus,en dessousoa gduche,a droite, ou toute position intermédiaire par la rotation de l'axe 1 (Voir fig 2)
Selon une autre caracteristique de l'invention le pignon 4 assure par sa rotation la posibilite de choix par le cycliste de la meilleure position de la pédale.La piece 8 ,la bague 20,et l'écrou 21 rendent solidaire les pignon 4 et 7 .Le pignon 7 par l'intermédiaire de la chaîne 11 est lie en rotation avec le pignon 10 qui lui est immobilise sur son axe 12.Sur l'axe 12 est aussi immobilisé le flasque qui lui memeest en contact avec le flasque 14 .Le flasque 14 est fixe sur le cadre du;velo Les flasques 13 et 14 sont muni d'un dispositif de règlage et de blocage constitue de deux trous oblongs 27 et 28 dans lesquels passent les boulons de ssrrage
Selon une autre caractéristique de l'invention le plateau supportant les roues dentees 24,23 qui assurent la transmission du mouvement de rotation a la roue arriere doit etre monte sur l'axe 17 entre les palier 25,26 qui est le seul endroit posible W > Ux Pz 5o et-s/
Selon une autre caracteristique de l'invention la chaine ainsi que la chaîne 11 sont munies de tendeurs de chaine 27 et 28 st 30
Selon une autre caracteristique de l'invention le cadre du velo est modifie(voir fig 3) pour pouvoir placer le plateau supportant les roues
23 et 24 entre les paliers 25 26
Dans la position fig 2 la pédale 15 est en position avant, le cycliste quand il pédale transmet son effort sur l'axe 2 .Cet effort a tendance a faire tourner l'axe 1,mais l'axe 1 rente dans sa position grace au pignon 3 relie au pignon 4 par l'intermédiaire de la chaine 5.According to another characteristic of the invention the piece 9 can be desaxe but remain parallel to the pedal axis 17ceci in order to obtain a ripple of the pedal to have a better position of the pedal seat at a time on the cycle of rotation of the pedal,
according to another characteristic of the invention the pedal 15 may not be linked in rotation to its axis thereby with the offset of its axis 2 relative to the axis 1 allows to adjust the position of the axis of the pedal 2 in relation to the axle (above, below, on the right, or any intermediate position by the rotation of axis 1 (see fig 2)
According to another characteristic of the invention the pinion 4 ensures by its rotation the posibilite of choice by the cyclist of the best position of the pedal. The piece 8, the ring 20, and the nut 21 make integral the pinions 4 and 7 The pinion 7 via the chain 11 is connected in rotation with the pinion 10 which is immobilized on its axis 12.On the axis 12 is also immobilized the flange which itself is in contact with the flange 14. flange 14 is fixed on the frame of the bike The flanges 13 and 14 are provided with a setting and locking device consists of two oblong holes 27 and 28 in which pass the stranding bolts
According to another characteristic of the invention the plate supporting the wheels 24,23 which provide the transmission of the rotational movement to the rear wheel must be mounted on the axis 17 between the bearing 25,26 which is the only place posible W > Ux Pz 5o and -s /
According to another characteristic of the invention, the chain as well as the chain 11 are provided with chain tensioners 27 and 28.
According to another characteristic of the invention, the frame of the bicycle is modified (see FIG. 3) in order to be able to place the plate supporting the wheels.
23 and 24 between the bearings 25 26
In the position fig 2 the pedal 15 is in the forward position, the cyclist when he pedal transmits his effort on the axis 2 .This effort tends to rotate the axis 1, but the axis 1 rente in its position thanks to the pinion 3 connects to the pinion 4 via the chain 5.
Le pignon 4 est solidaire du pignon 7 par l'intermediaire de la piece 8. The pinion 4 is integral with the pinion 7 via the piece 8.
la bague 20 et l'ecrou 21, cet ensemble est libre en rotation autour de la bague 9.the ring 20 and the nut 21, this assembly is free to rotate around the ring 9.
Le pignon 7 grace a la chaine 11 est en liaison avec le pignon 10. The pinion 7 with the chain 11 is in connection with the pinion 10.
le pignon 10 est immobilisé sur l'axe 12 Sur l'axe 12 est monté le flasque 13 e qui est en contact avec le flasque 14 .Le flasque 14 est boulonne sur le cadre Peni trous oblongs permettent d'immobiliser le flasque 13 sur le flasque 14 tout en permettant un règlage de la position en rotation avant immobilisation.Cette immobilisation détermine la position de l'axe 2 et de ce fait la position de la pedale 15 et de la pedale 15' par l'intermedîaire du pignon 10' fixé a l'autre extremite de l'axe 12.the pinion 10 is immobilized on the axis 12 On the axis 12 is mounted the flange 13 e which is in contact with the flange 14 .The flange 14 is bolted to the frame Peni oblong holes allow to immobilize the flange 13 on the flange 14 while allowing a trimming of the position in rotation before immobilization.This immobilization determines the position of the axis 2 and thus the position of the pedal 15 and the pedal 15 'through the pinion 10' fixed at the other end of axis 12.
La bague 9 est fixé sur le disque 16 par boulons.Qpatres trous oblongs permettent un reglage dela position de la bague 9. The ring 9 is fixed on the disc 16 by bolts. Other oblong holes allow adjustment of the position of the ring 9.
Si la bague 9 est concentrique a l'axe 17, pendant la rotation du bras 18 la pédale 15 aura un angle d'inclinaison constant par rapport a l'horizontale
Sila bague 9est exentre a l'axe 17 pendant la rotation du bras 18 la pedale 15 aura un angle d'inclinaison par rapport a l'horizontale continuellement modifié au cours de la rotation du bras,
LA fourche maintenant la roue arriere doit etre modifie pour permttre de monter le plateau supportant les roues 23et24 entre les montants 22 et 29. If the ring 9 is concentric with the axis 17, during the rotation of the arm 18 the pedal 15 will have a constant angle of inclination with respect to the horizontal
If the ring 9 is exentered to the axis 17 during the rotation of the arm 18, the pedal 15 will have an angle of inclination with respect to the horizontal continuously modified during the rotation of the arm,
The fork now holding the rear wheel must be modified to allow mounting the wheel support plate 23 and 24 between the uprights 22 and 29.
La pedale 15 est modifiee en pedale 31 pour une question de largeur de pedalier
La piece 32 assure une portee olus importante de l'axe 1 de ce fait ur meilleur guidage ainsi au'une meilleure resistance a l'usure U 'I The pedal 15 is modified in pedal 31 for a question of width of pedalier
The piece 32 provides a large door olus axis 1 thereby ur better guiding and a better wear resistance U 'I
Claims (10)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR8612307A FR2606358A1 (en) | 1986-08-29 | 1986-08-29 | Cycle pedal mechanism modification |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR8612307A FR2606358A1 (en) | 1986-08-29 | 1986-08-29 | Cycle pedal mechanism modification |
Publications (1)
Publication Number | Publication Date |
---|---|
FR2606358A1 true FR2606358A1 (en) | 1988-05-13 |
Family
ID=9338629
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR8612307A Withdrawn FR2606358A1 (en) | 1986-08-29 | 1986-08-29 | Cycle pedal mechanism modification |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR2606358A1 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0386847A2 (en) * | 1989-03-08 | 1990-09-12 | Osamu Nishiyama | Crank mechanism |
-
1986
- 1986-08-29 FR FR8612307A patent/FR2606358A1/en not_active Withdrawn
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0386847A2 (en) * | 1989-03-08 | 1990-09-12 | Osamu Nishiyama | Crank mechanism |
EP0386847A3 (en) * | 1989-03-08 | 1991-06-26 | Osamu Nishiyama | Crank mechanism |
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ST | Notification of lapse |