EP1394651A1 - Dispositif d'indexation à fonctionnement précis et répétable - Google Patents
Dispositif d'indexation à fonctionnement précis et répétable Download PDFInfo
- Publication number
- EP1394651A1 EP1394651A1 EP03292105A EP03292105A EP1394651A1 EP 1394651 A1 EP1394651 A1 EP 1394651A1 EP 03292105 A EP03292105 A EP 03292105A EP 03292105 A EP03292105 A EP 03292105A EP 1394651 A1 EP1394651 A1 EP 1394651A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- indexing
- cam
- elastic means
- roller
- plunger
- 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- Withdrawn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
Images
Classifications
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05G—CONTROL DEVICES OR SYSTEMS INSOFAR AS CHARACTERISED BY MECHANICAL FEATURES ONLY
- G05G5/00—Means for preventing, limiting or returning the movements of parts of a control mechanism, e.g. locking controlling member
- G05G5/06—Means for preventing, limiting or returning the movements of parts of a control mechanism, e.g. locking controlling member for holding members in one or a limited number of definite positions only
Definitions
- the invention relates to indexing systems. two elements relative to each other.
- the indexing system comprises a first element 1 and a second element 6.
- the first element 1 comprises a toothed wheel 7 forming an indexing cam.
- the second element 6 comprises a guide tube 4 within which is free to slide along an axis of said guide tube an indexing plunger 3 capable of cooperating with the toothed wheel 7.
- the plunger 3 is mounted on a spiral spring 5 so as to be pressed by the latter on the toothed wheel by application of a force along the axis of the guide tube.
- the pusher comprises a roller mounted for rotation about an axis of revolution of said roller and coming into contact with the toothed wheel 7 during the operation of the indexing system.
- FIG. 1a represents said indexing system in the so-called “rest” position, the pusher 3 is then in the high position, the roller 2 is housed between two teeth of the toothed wheel 7 in contact with the adjacent flanks of said two teeth.
- FIG. 1b the element 1 undergoes a rotation R, the tooth 8 exerts a force F on the roller 2 of the indexing plunger 3.
- the force F breaks down into a force F v along the axis of the tube 4 which tends to slide the pusher within the guide tube 4 and a force F r perpendicular to said axis which tends to tilt the pusher then coming into contact with the walls of the guide tube, and, consequently, to increase the importance effects of this force. Therefore, the indexing plunger gets stuck in the tube by bracing, preventing its sliding along the axis of the guide tube. Consequently, this creates instabilities and inaccuracies in indexing because of the impossibility for the indexing pusher to return to a rest position as illustrated in FIG. 1a.
- An object of the invention is to provide a device relative indexing of two elements presenting a precise repeatable operation.
- a relative indexing device of a first and a second elements including an indexing button linked to the first element and solicited by means elastic against a cam linked to the second element, the elastic means being arranged so that, alone, they control a movement of the indexing pusher under the effect of the cam, and that the indexing button comprises a roller mounted for rotation capable of cooperating with drug.
- the first element 101 is, here, an element capable of being put in rotation along an axis of revolution A.
- this element can be a control lever which rotates around the A axis to select a position indexed by the indexing device 100.
- Such a element 101 has at one end a shaft 120 of axis A on which a gear wheel 107 is mounted. Thus, when of the element 101 being rotated, the toothed wheel 107 is driven in the same rotational movement.
- the second element 106 is, here, shown schematically by a rectangular parallelepiped with one side upper a groove 104 capable of receiving a blade of spring 105.
- This leaf spring 105 is held in a recess-type connection in the groove 104 of element 106.
- this connection recess is located at one end of the blade spring 105.
- an indexing plunger 103 which is, here, preferably, made of material with the blade of spring 105. More particularly, so preferential, the indexing button 103 is consisting of two uprights parallel to each other, extending opposite each other and extending in protruding substantially perpendicularly from the end of the leaf spring 5.
- the pusher indexing has a U shape between the branches from which a roller 102 is received in rotation the end of these branches.
- the roller 102 is able to come into contact with the toothed wheel 107.
- the roller is installed at the top of the pusher indexing 103 whose branches include a U-shaped opening 112 capable of receiving an axis 110 of the roller 102.
- the roller is free to rotate between the branches of the indexing plunger 103.
- the position of rest illustrated in Figures 3a and 3b is that for which the indexing roller 102 is in contact with the toothed wheel 107, received between two teeth 114 and 115 of which the adjacent flanks define a hollow 116.
- the roller 102 is in contact with the flanks adjacent to the hollow 116 of the teeth 114 and 115.
- the toothed wheel 107 following the manipulation of the element 101, performs a rotation R.
- the tooth 114 of the toothed wheel 107 then presses on the roller 102 of the indexing plunger 103, forcing the latter to effect a vertical movement directed downward, which resiliently deforms the leaf spring 105 opposing this movement.
- the force F actually applied by the tooth 114 on the roller 102 of the indexing plunger 103 is not here vertical, that is to say in the direction of movement of said indexing plunger 103, but it has a slight horizontal component essentially in the plane of the leaf spring 105 considered at rest, that is to say in a plane perpendicular to the effective displacement of the pusher 102.
- the force F has in this plane a component F r which has an almost negligible effect on the movement of the indexing plunger 103.
- this force F r causes a deformation of the spring leaf 105 in its plane. Due to its rigidity in this plane, the leaf spring 105 only deforms with a very negligible deformation X opposite the vertical displacement of the indexing plunger 103 and the associated deformation of the spring leaf 105.
- the reaction force of the roller on the toothed wheel 107 opposite the force F generated by the tooth 114 previously described has a component in the plane of the spring leaf 105 (that is to say perpendicular to the vertical displacement of the indexing button 102) which is sufficient to force the element 101, left free to itself (that is to say once the user has released it for example), to continue its movement of rotation so that the indexing device is in a rest position, that is to say that the roller 102 is positioned opposite a recess 116 of the toothed wheel.
- Such a structure for an indexing device according to the invention allows constant, precise and repeatable operation. In fact, no parasitic effect disturbs the movement of the indexing plunger.
- the toothed wheel it is possible for the toothed wheel to present teeth relatively close to one another.
- the roller 102 in the rest position previously described for the indexing device, the roller 102 is still facing a recess 116 but it is no longer in abutment on the adjacent sides of said trough but in abutment directly with the tops of teeth 114 and 115 adjacent to hollow 116. This allows for much finer indexing while remaining very precise and repeatable.
- the leaf spring 105 is replaced by a torsion spring 150 having a bifurcated hook 151 capable of receiving the axis 110 of the roller 102 and thus acting as an indexing pusher. he It should be noted that in this alternative embodiment, the operation is almost identical to operation of the preferred embodiment previously described.
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Machine Tool Positioning Apparatuses (AREA)
- Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
Abstract
Description
- Les moyens élastiques sont agencés de sorte à présenter une déformation quasiment nulle dans une direction perpendiculaire au déplacement du poussoir d'indexation sous l'effet de la came ;
- Les moyens élastiques présentent une extrémité libre liée par encastrement avec le poussoir d'indexation ;
- Le poussoir d'indexation est venu de matière avec les moyens élastiques ;
- Les moyens élastiques sont une lame de ressort ;
- Les moyens élastiques sont un ressort de torsion ;
- La came est une roue dentée ;
- La came est une crémallère ;
- La crémallère est essentiellement contenue dans un plan, essentiellement perpendiculaire au déplacement du poussoir.
- La figure 2 est une vue en trois dimensions d'un dispositif d'indexation selon un mode préféré de réalisation de l'invention ;
- La figure 3a est une vue de côté du dispositif d'indexation de la figure 2 ;
- La figure 3b est une vue en détails de la partie B du dispositif d'indexation de la figure 3a ;
- La figure 4 est une vue schématique en fonctionnement du dispositif d'indexation de la figure 2 ; et
- La figure 5 est une vue schématique d'une variante de réalisation du dispositif d'indexation selon l'invention.
Claims (9)
- Dispositif d'indexation relative (100 ; 200) d'un premier (101) et d'un deuxième (106) éléments comprenant un poussoir d'indexation (102 ; 151) lié au premier élément et sollicité par des moyens élastiques (105 ; 150) contre une came (107) liée au deuxième élément, caractérisé en ce que les moyens élastiques sont agencés de sorte que, seuls, ils contrôlent un déplacement du poussoir d'indexation sous l'effet de la came, et que le poussoir d'indexation comporte un galet (102) monté à rotation apte à coopérer avec la came.
- Dispositif selon la revendication 1, caractérisé en ce que les moyens élastiques sont agencés de sorte à présenter une déformation quasiment nulle dans une direction perpendiculaire au déplacement du poussoir d'indexation sous l'effet de la came.
- Dispositif selon la revendication 1 ou 2, caractérisé en ce que les moyens élastiques présentent une extrémité libre liée par encastrement avec le poussoir d'indexation.
- Dispositif selon la revendication 3, caractérisé en ce que le poussoir d'indexation est venu de matière avec les moyens élastiques.
- Dispositif selon l'une des revendications 1 à 4, caractérisé en ce que les moyens élastiques sont une lame de ressort (105).
- Dispositif selon l'une des revendications 1 à 4, caractérisé en ce que les moyens élastiques sont un ressort de torsion (150).
- Dispositif selon l'une des revendications 1 à 6, caractérisé en ce que la came est une roue dentée (107).
- Dispositif selon l'une des revendications 1 à 6, caractérisé en ce que la came est une crémallère.
- Dispositif selon la revendication 8, caractérisé en ce que la crémallère est essentiellement contenue dans un plan essentiellement perpendiculaire au déplacement du poussoir d'indexation.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR0210671A FR2844067B1 (fr) | 2002-08-28 | 2002-08-28 | Dispositif d'indexation a fonctionnement precis et repetable |
FR0210671 | 2002-08-28 |
Publications (1)
Publication Number | Publication Date |
---|---|
EP1394651A1 true EP1394651A1 (fr) | 2004-03-03 |
Family
ID=31198331
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP03292105A Withdrawn EP1394651A1 (fr) | 2002-08-28 | 2003-08-27 | Dispositif d'indexation à fonctionnement précis et répétable |
Country Status (2)
Country | Link |
---|---|
EP (1) | EP1394651A1 (fr) |
FR (1) | FR2844067B1 (fr) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR3101945B1 (fr) * | 2019-10-11 | 2021-12-03 | Datatechnic | Dispositif d’indexation angulaire d’une roue à aubes |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR790088A (fr) * | 1934-08-14 | 1935-11-12 | Appareil pour caler les pédales de freins d'automobiles, pendant les opérations de réglage | |
FR1146964A (fr) * | 1955-04-13 | 1957-11-18 | Philips Nv | Butée pour commutateurs |
DE1140037B (de) * | 1960-05-16 | 1962-11-22 | Heinz Hoetten | Mechanische Verriegelung fuer hin- und hergehende Steuerungsteile |
US4038508A (en) * | 1975-05-22 | 1977-07-26 | General Electric Company | Electrical switch method operating such and indexing system |
US4570776A (en) * | 1982-07-09 | 1986-02-18 | Sanshin Kogyo Kabushiki Kaisha | Detent mechanism for clutches |
US6220114B1 (en) * | 1999-03-29 | 2001-04-24 | Delphi Technologies, Inc. | Control knob positioning device having tactile feedback |
-
2002
- 2002-08-28 FR FR0210671A patent/FR2844067B1/fr not_active Expired - Lifetime
-
2003
- 2003-08-27 EP EP03292105A patent/EP1394651A1/fr not_active Withdrawn
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR790088A (fr) * | 1934-08-14 | 1935-11-12 | Appareil pour caler les pédales de freins d'automobiles, pendant les opérations de réglage | |
FR1146964A (fr) * | 1955-04-13 | 1957-11-18 | Philips Nv | Butée pour commutateurs |
DE1140037B (de) * | 1960-05-16 | 1962-11-22 | Heinz Hoetten | Mechanische Verriegelung fuer hin- und hergehende Steuerungsteile |
US4038508A (en) * | 1975-05-22 | 1977-07-26 | General Electric Company | Electrical switch method operating such and indexing system |
US4570776A (en) * | 1982-07-09 | 1986-02-18 | Sanshin Kogyo Kabushiki Kaisha | Detent mechanism for clutches |
US6220114B1 (en) * | 1999-03-29 | 2001-04-24 | Delphi Technologies, Inc. | Control knob positioning device having tactile feedback |
Also Published As
Publication number | Publication date |
---|---|
FR2844067B1 (fr) | 2006-06-30 |
FR2844067A1 (fr) | 2004-03-05 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
FR2750186A1 (fr) | Mecanisme de commande d'un organe rotatif au moyen d'une poignee pivotante, et siege equipe d'un tel mecanisme | |
EP0179002B1 (fr) | Dispositif permettant d'assurer la fermeture automatique de portes pivotantes ainsi que leur maintien en position ouverte | |
EP0226515B1 (fr) | Table d'examen à déplacement longitudinal d'un panneau | |
FR2605075A1 (fr) | Systeme de verrouillage d'un dispositif lineaire de reglage rapide et de blocage d'une piece mobile par rapport a une piece fixe | |
EP0840857A1 (fr) | Dispositif automatique de guidage indexe d'une piece mobile articulee autour d'un axe sur une piece consideree fixe autour de cet axe | |
FR2652318A1 (fr) | Retroviseur exterieur pour vehicule. | |
EP0936112A1 (fr) | Frein de stationnement électrique à tranfert d'énergie pour véhicule automobile | |
FR2565312A1 (fr) | Mecanisme d'entrainement de cadenceur | |
EP1394651A1 (fr) | Dispositif d'indexation à fonctionnement précis et répétable | |
FR2884191A1 (fr) | Mecanisme d'articulation pour siege de vehicule et siege equipe d'un tel mecanisme | |
FR2632200A1 (fr) | Dispositif de reglage de la position d'une fixation de ski dans le sens longitudinal et fixation equipee d'un tel dispositif | |
EP0675022B1 (fr) | Commutateur électrique pour l'alimentation des indicateurs de changement de direction d'un véhicule automobile | |
FR2769037A1 (fr) | Dispositif de verrouillage comportant un doigt de transmission commande par came | |
FR2816977A1 (fr) | Serrure a commande electrique | |
CH634895A5 (fr) | Dispositif de commande d'un moto-reducteur electrique destine a l'entrainement d'un volet a rouleau ou d'un store a rouleau. | |
EP1680793B1 (fr) | Dispositif de commande de la coupure et de la fermeture du circuit d'une batterie electrique | |
EP0670436B1 (fr) | Tendeur de courroie pour moteur à combustion interne de véhicule automobile | |
WO2001031195A1 (fr) | Demarreur equipe d'une piece d'appui de levier perfectionnee | |
FR2706391A1 (fr) | Antivol de direction pour véhicule automobile. | |
EP0753431A1 (fr) | Dispositif de rangement d'objet notamment pour véhicule automobile | |
EP0841449A1 (fr) | Crémone monodirectionnelle | |
EP0114549A1 (fr) | Frein à disque | |
EP2689294B1 (fr) | Sautoir, mouvement horloger et piece d'horlogerie equipes d'un tel sautoir | |
EP0711689A1 (fr) | Motoréducteur comprenant un carter creux muni d'une plaque de fermeture, notamment pour un dispositif d'essuie-glace de véhicule | |
EP4266130A1 (fr) | Organe de commande d'au moins une premiere fonction d'un mouvement horloger |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
|
AK | Designated contracting states |
Kind code of ref document: A1 Designated state(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LI LU MC NL PT RO SE SI SK TR |
|
AX | Request for extension of the european patent |
Extension state: AL LT LV MK |
|
AKX | Designation fees paid | ||
17P | Request for examination filed |
Effective date: 20040914 |
|
RBV | Designated contracting states (corrected) |
Designated state(s): DE ES GB IT |
|
REG | Reference to a national code |
Ref country code: DE Ref legal event code: 8566 |
|
17Q | First examination report despatched |
Effective date: 20050127 |
|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN |
|
18D | Application deemed to be withdrawn |
Effective date: 20060208 |