FR2840576A1 - Motor vehicle pedal assembly has rear end of push rod situated behind pedal lever pivot axis during whole trajectory of movement - Google Patents
Motor vehicle pedal assembly has rear end of push rod situated behind pedal lever pivot axis during whole trajectory of movement Download PDFInfo
- Publication number
- FR2840576A1 FR2840576A1 FR0207007A FR0207007A FR2840576A1 FR 2840576 A1 FR2840576 A1 FR 2840576A1 FR 0207007 A FR0207007 A FR 0207007A FR 0207007 A FR0207007 A FR 0207007A FR 2840576 A1 FR2840576 A1 FR 2840576A1
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- France
- Prior art keywords
- pedal
- axis
- lever
- rear end
- rod
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Classifications
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05G—CONTROL DEVICES OR SYSTEMS INSOFAR AS CHARACTERISED BY MECHANICAL FEATURES ONLY
- G05G1/00—Controlling members, e.g. knobs or handles; Assemblies or arrangements thereof; Indicating position of controlling members
- G05G1/30—Controlling members actuated by foot
- G05G1/46—Means, e.g. links, for connecting the pedal to the controlled unit
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
- B60T7/00—Brake-action initiating means
- B60T7/02—Brake-action initiating means for personal initiation
- B60T7/04—Brake-action initiating means for personal initiation foot actuated
- B60T7/06—Disposition of pedal
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05G—CONTROL DEVICES OR SYSTEMS INSOFAR AS CHARACTERISED BY MECHANICAL FEATURES ONLY
- G05G1/00—Controlling members, e.g. knobs or handles; Assemblies or arrangements thereof; Indicating position of controlling members
- G05G1/30—Controlling members actuated by foot
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Automation & Control Theory (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Braking Elements And Transmission Devices (AREA)
- Mechanical Control Devices (AREA)
Abstract
Description
qu'une rampe (10) est disposee dans le prolongement de cheque piste (2).a ramp (10) is arranged in the extension of each runway check (2).
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"Pedalier de vehicule automobile a encombrement reduit" "Pedal of motor vehicle with reduced overall dimensions"
L' invention concerne un pedalier de vehicule automobile. The invention relates to a motor vehicle crankset.
L'invention concerne plus particulierement un pedalier du type qui comporte une pedale, notamment de frein, montee pivotante sur la caisse du vehicule autour d'un axe transversal et qui commande le coulissement longitudinal, sensiblement horizontal, d'un element d'actionnement d'un systeme, notamment de freinage d u vehicu le. par l'intermed iaire d' une biellette o long itud ina le de poussee dont u ne extremite avant est montee articulee sur ltelement d'actionnement et dont une extremite arriere est guidee, par des moyens de guidage, le long d'une trajectoire en arc de cercle dont la corde est sensiblement longitudinaie, et est mue par des organes de transmission de The invention relates more particularly to a crankset of the type which comprises a pedal, in particular a brake pedal, pivotally mounted on the body of the vehicle around a transverse axis and which controls the longitudinal sliding, substantially horizontal, of an actuating element d 'a system, in particular for braking the vehicle. by the intermediary of a connecting rod o long itud ina the thrust of which a front end is mounted articulated on the actuating element and of which a rear end is guided, by guiding means, along a trajectory in arc of a circle, the cord of which is substantially longitudinal, and is driven by transmission members of
i'effort d'actionnement applique a ia pedale. the actuation effort applied to the pedal.
De maniere connue, I'element d'actionnement est un piston d'un matrecylindre de freinage, ou un element d'entree d'un In known manner, the actuating element is a piston of a braking master cylinder, or an input element of a
amplificateur de freinage interpose entre la pedale et le martre- brake booster interposed between the pedal and the marten
cylindre. o 11 est connu d'articuler la biellette de poussbe directement sur la pedale. Lorsque un effort d'actionnement est applique a la pedale, I'extremite arriere de la biellette suit une trajectoire en arc de cercle globalement longitudinale dont le centre est l'axe de pivotement de la pedale, tandis que l'extremite avant de la biellette suit une- trajectoire rectiligne longitudinale. Du fait des trajectoires de ses deux extremites, la biellette pivote autour de cylinder. o It is known to articulate the push rod directly on the pedal. When an actuating force is applied to the pedal, the rear end of the link follows a trajectory in a generally longitudinal arc whose center is the pivot axis of the pedal, while the front end of the link follows a longitudinal straight trajectory. Due to the trajectories of its two ends, the rod pivots around
son extremite avant.its front end.
Cependant, la liaison entre l'extremite avant de la biellette However, the connection between the front end of the link
et ['element d'actionnement comporte une limite angulaire. and the actuating element has an angular limit.
o La biellette doit done etre suffisamment longue afin de minimiser ['angle entre la biellette et la direction longitudinale lors o The link must therefore be long enough to minimize the angle between the link and the longitudinal direction when
de l'actionnement de la pedale.actuation of the pedal.
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La position de l'axe de la pedale, ainsi que ['amplitude du pivotement de la pedale autour de son axe vent determinees en The position of the pedal axis, as well as the amplitude of the pivoting of the pedal around its wind axis determined in
fonction de la conception du vehicule. depending on the design of the vehicle.
La position ergonomique de la pedale et la longueur minimale de la biellette de poussee determinant done une position longitudinale du systeme de freinage dans le compartiment moteur. Dans le but de remedier a cet inconvenient, I'invention propose un pedalier de frein du type decrit precedemment, o caracterise en ce que l'extremite arriere de la biellette de poussee, tout au long de sa trajectoire, est situee longitudinalement vers l'arriere au-dela de l'axe de la pedale; et en ce que les moyens de guidage comportent un levier qui est globalement parallele a la pedale, et sur lequel l'extremite arriere de la bieilette de poussee est articulee, et qui est monte pivotant autour d'un axe transversal qui est situe au moins a la meme distance de la droite passant par les extremites avant et arriere de la biellette de poussee, que l'axe de la pedale; et en ce que les organes de transmission comportent des moyens de traction The ergonomic position of the pedal and the minimum length of the push rod therefore determine a longitudinal position of the braking system in the engine compartment. In order to remedy this drawback, the invention provides a brake pedal of the type described above, where characterized in that the rear end of the push rod, along its trajectory, is located longitudinally towards the rear beyond the axis of the pedal; and in that the guide means comprise a lever which is generally parallel to the pedal, and on which the rear end of the thrust bieilette is articulated, and which is mounted to pivot about a transverse axis which is located at least at the same distance from the right passing through the front and rear ends of the thrust link, as the axis of the pedal; and in that the transmission members include traction means
du levier par la pedale.of the lever by the pedal.
Selon d'autres caracteristiques de ['invention: - les moyens de traction comportent une bielle de traction dont une extremite avant est articulee sur la pedale et dont l'extremite arriere est articulee sur ie levier; la bialle de traction et la biellette de poussee vent sensiblement paralleles d'orientation longitudinale; - ia bielle de traction et la biellette de poussee vent situees sensiblement dans un meme plan perpendiculaire aux axes de p ivote m ent; o - la bielle de traction et la biellette de poussee vent situees sensiblement dans un meme plan horizontal; - le levier et la pedale vent dans un meme plan perpendiculaire aux axes de pivotement; According to other characteristics of the invention: - the traction means comprise a traction rod, one front end of which is articulated on the pedal and the rear end of which is articulated on the lever; the traction rod and the substantially parallel wind thrust rod of longitudinal orientation; - The traction rod and the wind thrust rod located substantially in the same plane perpendicular to the axes of piloting; o - the traction rod and the wind thrust rod located substantially in the same horizontal plane; - the lever and the wind pedal in the same plane perpendicular to the pivot axes;
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- I'axe de la pedale, I'axe longitudinal de la biellette de poussee et le point d'application de ['effort vent globalement dans un meme plan longitudinal qui est perpendiculaire aux axes de p ivotement; - le pedalier comporte une platine qui est solidaire de la caisse du vehicule et sur laquelle la pedale et le levier vent articules; - I'axe de la pedale et l'axe du levier vent situes au-dessus de la biellette de poussee et le patin est situe au-dessous de la The axis of the pedal, the longitudinal axis of the thrust link and the point of application of the wind force overall in the same longitudinal plane which is perpendicular to the axes of rotation; - the crankset has a plate which is integral with the vehicle body and on which the pedal and the articulated wind lever; - the axis of the pedal and the axis of the wind lever located above the thrust link and the shoe is located below the
o biellette de poussee.o push rod.
D'autres caracteristiques et avantages de ['invention Other features and advantages of the invention
apparatront a la lecture de la description detaillee qui suit pour la will appear on reading the following detailed description for the
comprehension de laquelle on se reportera aux dessins annexes dans lesquels: s - la igure 1 est une vue schematique laterale d'un systeme de freinage de vehicule automobile commande par un pedalier realise selon l'etat de la technique, dans laquelle la pedale est dans sa position arriere de repos; - la figure 2 est une vue schematique laterale d'un systeme de freinage de vehicule automobile commande par un pedalier realise selon les enseignements de ['invention, dans laquelle la pedale est dans sa position arriere de repos; - la figure 3 est une vue similaire a celle de la figure 1 dans laquelle la pedale est dans sa position avant extreme d'actionnement; - la figure 4 est une vue similaire a celle de la figure 2 dans laquelle la pedale est dans sa position avant extreme d'actionnement; - la figure 5 est u ne vue schematiq ue latera le d' u n autre mode de realisation du pedalier represente a la figure 2 dans laquelle la pedale est dans sa position arriere de repos; - la figure 6 est une autre vue du mode de realisation represente a la figure 5, dans laquelle la pedale est dans une understanding of which reference will be made to the appended drawings in which: s - FIG. 1 is a diagrammatic side view of a motor vehicle braking system controlled by a crankset produced according to the state of the art, in which the pedal is in its rear position of rest; - Figure 2 is a schematic side view of a motor vehicle braking system controlled by a pedal made according to the teachings of [the invention, wherein the pedal is in its rear position of rest; - Figure 3 is a view similar to that of Figure 1 in which the pedal is in its position before extreme actuation; - Figure 4 is a view similar to that of Figure 2 in which the pedal is in its position before extreme actuation; - Figure 5 is a schematic view of the side of another embodiment of the crankset shown in Figure 2 in which the pedal is in its rear position of rest; - Figure 6 is another view of the embodiment shown in Figure 5, in which the pedal is in a
position avant extreme d'actionnement. position before extreme actuation.
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Dans la description qui va suivre, on adoptera a titre non In the description which follows, we will adopt as
limitatif une orientation verticale, longitudinale et transversale selon ['orientation traditionnellement utilisee dans ['automobile et indiquee par le triedre L, V, T de la figure 1, ainsi qu'une s orientation d'avant en arriere de gauche a droite en considerant limiting a vertical, longitudinal and transverse orientation according to the orientation traditionally used in the automobile and indicated by the triedre L, V, T of figure 1, as well as an orientation from front to back from left to right considering
les figures.the figures.
- Dans la description, des elements identiques similaires ou - In the description, similar identical elements or
analogues seront designee par les memes chiffres de reference. analogues will be designated by the same reference numbers.
On a represente a la figure 1 un pedalier de frein 10 d'un o vehicule automobile selon l'etat de la technique. Un tablier 12 separe verticalement l'habitacle 14 et le compartiment moteur 16 qui se situent respe\ctivement a l'arriere et a ['avant selon There is shown in Figure 1 a brake pedal 10 of a motor vehicle o according to the prior art. An apron 12 vertically separates the passenger compartment 14 and the engine compartment 16 which are situated respectively at the rear and at the front according to
['orientation de la figure 1.[orientation of Figure 1.
Le pedalier 10 comporte principalement une pedale de s frein 18 qui est situee dans l'habitacle 14 et qui commande l'actionnement d'un systeme de freinage 20 situe dans le The crankset 10 mainly comprises a brake pedal 18 which is located in the passenger compartment 14 and which controls the actuation of a braking system 20 located in the
compartiment moteur 16.engine compartment 16.
Une extremite inferieure de la pedale 18 comporte un patin 22 destine a recevoir un effort d'actionnement. L'extremite o superieure 24 de la pedale 18 est montee pivotante sur une platine 27 solidaire de la caisse du vehicule automobile autour d'un axe superieur transversal A. Dans une position de repos de la pedale 18, illustree a la figure 1, vers laquelle elle est rappelee elastiquement par des moyens non representes, le patin 22 se s situe globalement vers l'arriere et vers le teas par rapport a l'axe A lower end of the pedal 18 comprises a pad 22 intended to receive an actuating force. The upper o end 24 of the pedal 18 is pivotally mounted on a plate 27 secured to the body of the motor vehicle around a transverse upper axis A. In a rest position of the pedal 18, illustrated in FIG. 1, towards which it is elastically recalled by means not shown, the shoe 22 is located generally towards the rear and towards the teas with respect to the axis
A de la pedale 18.Has pedal 18.
Le systeme de freinage 20 comporte ici un matre-cylindre 26 dont l'axe B est ici longitudinal et sensiblement horizontal. Un servofrein 28, qui est ici un amplificateur pneumatique 28, est o insere entre le tablier 12 et le martre-cylindre 26. L'amplificateur 28 comporte une face transversale arriere 30 qui est en appui longitudinal contre le tablier 12. Un piston longitudinal d'actionnement 32 de l'amplificateur 28 s'etend vers l'arriere a l'exterieur de l'amplificateur 28 axialement dans l'habitacle 14 \ The braking system 20 here comprises a master cylinder 26 whose axis B is here longitudinal and substantially horizontal. A brake booster 28, which here is a pneumatic amplifier 28, is inserted between the bulkhead 12 and the marten-cylinder 26. The amplifier 28 has a rear transverse face 30 which is in longitudinal abutment against the bulkhead 12. A longitudinal piston d actuation 32 of amplifier 28 extends backwards outside of amplifier 28 axially in the passenger compartment 14 \
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grace a un trou ou passage 34 forme dans le tablier 12. Le piston 32 a une course longitudinale maximale d'actionnement dont la thanks to a hole or passage 34 formed in the apron 12. The piston 32 has a maximum longitudinal actuation stroke, the
longueur sera notee L dans la suite de la description. length will be noted L in the following description.
La pedale 18 commande l'actionnement du piston 32 par I'intermediaire d'une biellette longitudinale de poussee 36, aussi appelee tige de commande, dont une extremite avant 38 est montee articulee elastiquement sur le piston d'actionnement 32 et dont l'autre extremite arriere 40 est montee articulee sur la pedaie 18. La biellette de poussee 36 se situe done sensiblement o dans le meme plan longitudinal et vertical que la pedale 18. La biellette de poussee 36 est ici articulee sur la pedale 18 sensiblement au quart de la longueur de la pedale 18 a partir de l'axe A de la pedale 18 de maniere a beneficier d'un bras de The pedal 18 controls the actuation of the piston 32 by means of a longitudinal thrust link 36, also called control rod, one front end 38 of which is elastically articulated on the actuation piston 32 and the other of which rear end 40 is mounted articulated on the pedal 18. The thrust link 36 is therefore located substantially o in the same longitudinal and vertical plane as the pedal 18. The thrust rod 36 is here articulated on the pedal 18 substantially at the quarter of the length of pedal 18 from axis A of pedal 18 so as to benefit from an arm of
levier pour amplifier ['effort applique sur le patin 22. lever to amplify the force applied on the shoe 22.
Ainsi, lorsque le conducteur applique un effort sur le patin 22 avec son pied, la pedale 18 pivote autour de son axe A dans un sens horaire selon la figure 1. Dans une position extreme d'actionnement de la pedale 18, illustree a la figure 3, le patin 22 se situe globalement a la verticale au-dessous de l'axe A de la o pedale 18. L'amplitude du pivotement de la pedale 18 autour de son axe A est determinee en fonction de l'ergonomie de l'habitacle 14. La pedale 18 pivote ici d'environ 45 a partir de sa Thus, when the driver applies a force to the shoe 22 with his foot, the pedal 18 pivots about its axis A in a clockwise direction according to FIG. 1. In an extreme actuation position of the pedal 18, illustrated in FIG. 3, the pad 22 is generally vertically below the axis A of the pedal o 18. The amplitude of the pivoting of the pedal 18 around its axis A is determined as a function of the ergonomics of the cockpit 14. Pedal 18 pivots here by about 45 from its
position de repos.rest position.
L'effort d'actionnement est transmis au piston d'actionnemen-t 32 par l'intermediaire de la biellette de poussee 36 qui travaille en compression. L'extremite arriere 40 de la biellette 36 suit une trajectoire en arc de cercle dont la corde est sensiblement longitudinale. La corde a ici une longueur sensiblement egale a la course maximaie d'actionnement L du o piston 32. L'extremite avant 38 de la biellette de poussee 36 pousse alors le piston 32 longitudinalement vers ['avant d'une The actuating force is transmitted to the actuating piston 32 by the intermediary of the push rod 36 which works in compression. The rear end 40 of the link 36 follows a trajectory in an arc, the cord of which is substantially longitudinal. The rope here has a length substantially equal to the maximum actuating stroke L of the piston 32. The front end 38 of the push rod 36 then pushes the piston 32 longitudinally towards the front of a
course qui est sensiblement egale a celle de ladite corde. stroke which is substantially equal to that of said rope.
Dans un tel pedalier 10, la position longitudinale de ['ensemble forme par l'amplificateur 28 et le martre-cylindre 26 In such a crankset 10, the longitudinal position of the assembly formed by the amplifier 28 and the marten-cylinder 26
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est done determinee par la longueur de la biellette de poussee 36 is therefore determined by the length of the push rod 36
et par l'agencement ergonomique de la pedale 18. and by the ergonomic arrangement of the pedal 18.
L'invention propose un pedalier a encombrement longitudinal reduit 44 illustre aux figures 2 et 4 dans lequel la s pedale 18 est agencee sur une platine 27 de fa,con analogue au pedalier 10 selon l'etat de la technique. L'ergonomie de lihabitacle 14 du vehicule reste ainsi inchangee pour le conducteur. A cet egard, I'amplitude du pivotement de la pedale 18 autour de son axe A est notamment sensiblement la meme que The invention proposes a pedal with reduced longitudinal dimensions 44 illustrated in FIGS. 2 and 4 in which the pedal 18 is arranged on a plate 27 in a manner similar to pedal 10 according to the state of the art. The ergonomics of the passenger compartment 14 of the vehicle thus remain unchanged for the driver. In this respect, the amplitude of the pivoting of the pedal 18 about its axis A is notably substantially the same as
to precedemment.to previously.
Le systeme de freinage 20 est egalement le meme que decrit precedemment et l'extremite avant 38 de la biellette de The braking system 20 is also the same as described above and the front end 38 of the connecting rod
poussee 36 est toujours articulee sur le piston d'actionnement 32. thrust 36 is always articulated on the actuating piston 32.
L'ensemble forme par le systeme de freinage 20 et la biellette de poussee 36 est cependant decade iongitudinaiement vers l'arriere d'une distance, notee D sur ies figures 2 et 4, a l'interieur de l'habitacle 14, par exemple de facon que la face transversale arriere 30 de l'amplificateur 28 soit adjacente au corps 42 de la pedale de frein 18 lorsque cette derriere est en position extreme The assembly formed by the braking system 20 and the thrust link 36 is however decade iongitudinaiement towards the rear of a distance, denoted D in ies Figures 2 and 4, inside the passenger compartment 14, for example so that the rear transverse face 30 of the amplifier 28 is adjacent to the body 42 of the brake pedal 18 when the rear is in the extreme position
o avant d'actionnement, comme illustre a la figure 4. o before actuation, as illustrated in Figure 4.
La biellette de poussee 36 s'etend dans le meme plan longitudinal et vertical que la pedale 18. Afin de permettre le decalage longitudinal de la biellette de poussee 36 au-dela de la pedale 18, un trou ou passage 46 est par exemple realise dans le The push rod 36 extends in the same longitudinal and vertical plane as the pedal 18. In order to allow the longitudinal offset of the push rod 36 beyond the pedal 18, a hole or passage 46 is for example made in the
s corps de la pedale.s body of the pedal.
Selon une variante non representee de ['invention, une partie superieure de la pedale comporte deux ailes paralleles qui prolongent la pedale en forme de U de fa,con a encadrer la biellette de poussee. L'extremite superieure de chacune des deux According to a variant not shown of the invention, an upper part of the pedal comprises two parallel wings which extend the pedal in the shape of a U in shape, con to frame the push rod. The upper end of each of the two
o ailes est montee pivotante autour d'un tron,con d'axe transversal. o wings is pivotally mounted around a section, con with transverse axis.
Selon une autre variante non representee, la pedale est decalee transversalement, ou lateralement, de fa,con a permettre According to another variant not shown, the pedal is offset transversely, or laterally, so as to allow
le passage de la biellette de poussee. the passage of the push rod.
L'extremite arriere 40 de la biellette de poussee 36 est ici articulee a l'extremite inferieure 48 d'un levier 50 globalement vertical. L'extremite superieure 52 du levier 50 est montee pivotante autour d'un axe transversal C, ici sur la meme platine 27 que la pbdale 18. L'axe C du levier 50 est situe a une distance Ll,ici au-dessus d'une droite passant par les extremites avant 38 et arriere 40 de la biellette de poussee 36, tandis que l'axe A de la pedaie 18 est situe a une distance Lp, ici au-dessus de ladite droite. Le levier 50 est destine a guider l'extremite arriere 40 de o la biellette 36 le long d'une trajectoire en arc de cercle dont la The rear end 40 of the thrust link 36 is here articulated at the lower end 48 of a generally vertical lever 50. The upper end 52 of the lever 50 is pivotally mounted about a transverse axis C, here on the same plate 27 as the pedal. The axis C of the lever 50 is located at a distance Ll, here above a straight line passing through the front 38 and rear 40 ends of the push rod 36, while the axis A of the pedal 18 is located at a distance Lp, here above said straight line. The lever 50 is intended to guide the rear end 40 of the connecting rod 36 along a trajectory in an arc of a circle, the
corde est sensiblement longitudinale. rope is substantially longitudinal.
La distance Ll est superieure a la distance Lp de facon que la trajectoire en arc de cercie de l'extremite arriere 40 de la biellette 36 n'induise pas un angle entre la biellette de poussee s 36 et l'axe B qui soit superieur a ['angle limite admissible, pour The distance L1 is greater than the distance Lp in such a way that the arc of a circle of the rear end 40 of the link 36 does not induce an angle between the thrust link s 36 and the axis B which is greater than ['admissible limit angle, for
une course L du piston 32.a stroke L of the piston 32.
La transmission de ['effort d'actionnement de la pedale 18 au levier 50 est ici assuree par une bielie longitudinale de traction 54 dont une extremite avant 56 est montee articulee sur la pedale 18 et dont l'extremite arriere 58 est montee articulee sur le levier 50. La biellette de poussee 36 et la bielle de traction 54 vent sensiblement paralleles et la bielle de traction 54 est ici agencee The transmission of the actuation force from the pedal 18 to the lever 50 is here ensured by a longitudinal traction link 54 of which a front end 56 is mounted articulated on the pedal 18 and whose rear end 58 is mounted articulated on the lever 50. The push rod 36 and the traction rod 54 are substantially parallel and the traction rod 54 is here arranged
au-dessus de la biellette de poussee 36. above the push rod 36.
Lors du fonctionnement du pedalier 44, un effort est s applique sur le patin 22 de la pedaie 18 en position de repos, comme illustre a la figure 2. La pedale 18 pivote alors autour de son axe A vers la position extreme d'actionnement, illustree a la figure 4. L'effort est transmis au levier 50 par l'intermediaire de la bielle de traction 54. Le levier 50 pivote done autour de son axe C o dans un sens horaire selon la figure 2. La biellette de poussee 36 est done poussee vers ['avant et enforce le piston 32 qui During the operation of the pedal 44, a force is applied to the shoe 22 of the pedal 18 in the rest position, as illustrated in FIG. 2. The pedal 18 then pivots about its axis A towards the extreme actuation position, illustrated in FIG. 4. The force is transmitted to the lever 50 by means of the traction rod 54. The lever 50 therefore pivots about its axis C o in a clockwise direction according to FIG. 2. The thrust rod 36 is therefore pushed forward and forces the piston 32 which
declenche le systeme de freinage 20. sets the braking system 20.
Le decalage longitudinal vers i'arriere de distance D du systeme de freinage 20 a l'interieur de l'habitacle 14 permet ainsi The longitudinal offset to the rear distance D of the braking system 20 inside the passenger compartment 14 thus allows
de liberer de la place dans le compartiment moteur 16. to free up space in the engine compartment 16.
On a represente aux figures 5 et 6 un autre mode de realisation de l'inventiori. La biellette de poussee 36 et la bielle de traction 54 se situent ici sensiblement dans un meme plan horizontal. L'extremite avant 56 de la bielle de traction 54 est articulee sensiblement au quart de la pedale 18 a partir de l'axe A de la pedale 18. L'axe C du levier 50 se situe ici a la meme o altitude que l'axe A de la pedale 18. La longueur Ll correspond ici sensiblement a la longueur entre l'axe A de la pedale et l'extremite arriere 40 de la biellette de poussee 36 du pedalier We have shown in Figures 5 and 6 another embodiment of the inventiori. The push rod 36 and the traction rod 54 are located here substantially in the same horizontal plane. The front end 56 of the traction rod 54 is articulated substantially to the quarter of the pedal 18 from the axis A of the pedal 18. The axis C of the lever 50 is located here at the same o altitude as the axis A of the pedal 18. The length L1 here corresponds substantially to the length between the axis A of the pedal and the rear end 40 of the push rod 36 of the pedal
selon l'etat de la technique.according to the state of the art.
La trajectoire de l'extremite arriere 40 de la biellette de poussee 36 reste ainsi globalement la meme que pour le pedalier realise selon l'etat de la technique. Mais un tel pedalier 44 a l'avantage d'avoir un encombrement vertical reduit grace a un The trajectory of the rear end 40 of the push rod 36 thus remains broadly the same as for the crankset produced according to the state of the art. But such a crankset 44 has the advantage of having a reduced vertical size thanks to a
levier 50 plus court que dans le mode de realisation precedent. lever 50 shorter than in the previous embodiment.
Selon un autre mode de realisation non represente, le fait o de placer l'axe du levier plus eloigne de la biellette de poussee permet d'obtenir une trajectoire en arc de cercle plus plate pour une corde de meme longueur L d'actionnement maximum du piston. II est ainsi possible de raccourcir avantageusement la longueur de la biellette de poussee sans que la trajectoire de son extremite arriere-n'induise d'angle par rapport a l'axe B qui soit According to another embodiment not shown, the fact o placing the axis of the lever further from the push rod makes it possible to obtain a trajectory in a flatter arc for a rope of the same length L maximum actuation of the piston. It is thus possible to advantageously shorten the length of the push rod without the trajectory of its rear end inducing an angle relative to the axis B which is
superieur a ['angle limite.greater than the limit angle.
Cette invention trouve egalement a s'appliquer pour des pedaliers dans lesquels les pedales vent articulees par leurs This invention is also applicable to pedalboards in which the wind pedals articulated by their
extremites inferieures avec les patins en position haute. lower extremities with the pads in the high position.
L'invention n'est pas limitee au cas dans lequel la pedale The invention is not limited to the case in which the pedal
et le levier vent montes pivotants sur une platine commune. and the wind lever pivotally mounted on a common plate.
Claims (9)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR0207007A FR2840576B1 (en) | 2002-06-07 | 2002-06-07 | MOTOR VEHICLE CRANKSET WITH REDUCED SIZE |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR0207007A FR2840576B1 (en) | 2002-06-07 | 2002-06-07 | MOTOR VEHICLE CRANKSET WITH REDUCED SIZE |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2840576A1 true FR2840576A1 (en) | 2003-12-12 |
| FR2840576B1 FR2840576B1 (en) | 2004-07-16 |
Family
ID=29559028
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR0207007A Expired - Fee Related FR2840576B1 (en) | 2002-06-07 | 2002-06-07 | MOTOR VEHICLE CRANKSET WITH REDUCED SIZE |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR2840576B1 (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09193760A (en) * | 1996-01-17 | 1997-07-29 | Miyako Jidosha Kogyo Kk | Pedal device |
| EP0936527A2 (en) * | 1998-02-11 | 1999-08-18 | Delphi Technologies, Inc. | Adjustable brake and clutch pedals |
| DE10017531A1 (en) * | 2000-04-10 | 2001-11-15 | Edscha Ag | Adjustable pedal works |
| DE10116464A1 (en) * | 2000-04-04 | 2002-02-14 | Toyoda Iron Works Co | Vehicle pedal device assembly with two pedals, the unactuated positions are adjustable in the longitudinal direction of the vehicle |
-
2002
- 2002-06-07 FR FR0207007A patent/FR2840576B1/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09193760A (en) * | 1996-01-17 | 1997-07-29 | Miyako Jidosha Kogyo Kk | Pedal device |
| EP0936527A2 (en) * | 1998-02-11 | 1999-08-18 | Delphi Technologies, Inc. | Adjustable brake and clutch pedals |
| DE10116464A1 (en) * | 2000-04-04 | 2002-02-14 | Toyoda Iron Works Co | Vehicle pedal device assembly with two pedals, the unactuated positions are adjustable in the longitudinal direction of the vehicle |
| DE10017531A1 (en) * | 2000-04-10 | 2001-11-15 | Edscha Ag | Adjustable pedal works |
Non-Patent Citations (1)
| Title |
|---|
| PATENT ABSTRACTS OF JAPAN vol. 1997, no. 11 28 November 1997 (1997-11-28) * |
Also Published As
| Publication number | Publication date |
|---|---|
| FR2840576B1 (en) | 2004-07-16 |
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