FR2852995A1 - Door stopping mechanism for vehicle, has two sliders supporting horizontal axis of respective rollers and moving vertically within case, and two springs pushing respective sliders towards cam - Google Patents
Door stopping mechanism for vehicle, has two sliders supporting horizontal axis of respective rollers and moving vertically within case, and two springs pushing respective sliders towards cam Download PDFInfo
- Publication number
- FR2852995A1 FR2852995A1 FR0303655A FR0303655A FR2852995A1 FR 2852995 A1 FR2852995 A1 FR 2852995A1 FR 0303655 A FR0303655 A FR 0303655A FR 0303655 A FR0303655 A FR 0303655A FR 2852995 A1 FR2852995 A1 FR 2852995A1
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- FR
- France
- Prior art keywords
- cam
- sliders
- rollers
- springs
- vehicle
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Classifications
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05C—BOLTS OR FASTENING DEVICES FOR WINGS, SPECIALLY FOR DOORS OR WINDOWS
- E05C17/00—Devices for holding wings open; Devices for limiting opening of wings or for holding wings open by a movable member extending between frame and wing; Braking devices, stops or buffers, combined therewith
- E05C17/02—Devices for holding wings open; Devices for limiting opening of wings or for holding wings open by a movable member extending between frame and wing; Braking devices, stops or buffers, combined therewith by mechanical means
- E05C17/04—Devices for holding wings open; Devices for limiting opening of wings or for holding wings open by a movable member extending between frame and wing; Braking devices, stops or buffers, combined therewith by mechanical means with a movable bar or equivalent member extending between frame and wing
- E05C17/12—Devices for holding wings open; Devices for limiting opening of wings or for holding wings open by a movable member extending between frame and wing; Braking devices, stops or buffers, combined therewith by mechanical means with a movable bar or equivalent member extending between frame and wing consisting of a single rod
- E05C17/20—Devices for holding wings open; Devices for limiting opening of wings or for holding wings open by a movable member extending between frame and wing; Braking devices, stops or buffers, combined therewith by mechanical means with a movable bar or equivalent member extending between frame and wing consisting of a single rod sliding through a guide
- E05C17/203—Devices for holding wings open; Devices for limiting opening of wings or for holding wings open by a movable member extending between frame and wing; Braking devices, stops or buffers, combined therewith by mechanical means with a movable bar or equivalent member extending between frame and wing consisting of a single rod sliding through a guide concealed, e.g. for vehicles
- E05C17/206—Devices for holding wings open; Devices for limiting opening of wings or for holding wings open by a movable member extending between frame and wing; Braking devices, stops or buffers, combined therewith by mechanical means with a movable bar or equivalent member extending between frame and wing consisting of a single rod sliding through a guide concealed, e.g. for vehicles with elastomeric springs to hold wing open
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Vibration Dampers (AREA)
- Lock And Its Accessories (AREA)
Abstract
Description
L'invention concerne le domaine des mécanismes d'arrêt de porte deThe invention relates to the field of door stop mechanisms.
véhicule.vehicle.
On connaît des. mécanismes d'arrêt de porte de véhicule qui permettent le maintien de la porte dans des positions angulaires définies, et qui comportent essentiellement les éléments suivants: - une chape fixée sur la caisse du véhicule, - une came de forme allongée, articulée en rotation sur la chape autour d'un axe sensiblement vertical, et sur les faces supérieure et inférieure de laquelle sont ménagés successivement des reliefs et des creux; - un boîtier fixé sur la porte, traversé par la came, et qui renferme deux patins en polymère qui viennent presser la came chacun sur une de ses faces. We know. vehicle door stop mechanisms which allow the door to be held in defined angular positions, and which essentially comprise the following elements: - a yoke fixed on the vehicle body, - an elongated cam, articulated in rotation on the yoke around a substantially vertical axis, and on the upper and lower faces of which reliefs and hollows are formed successively; - a housing fixed on the door, crossed by the cam, and which contains two polymer pads which press the cam each on one of its faces.
Lorsque les patins sont logés chacun dans un creux de la surface de la came, ils peuvent exercer une action de blocage de la came qui empêche en principe une ouverture ou une fermeture de la porte non désirée par l'utilisateur. 15 En fait, les efforts qu'exercent les patins en polymère sont relativement limités, et un maintien très ferme de la porte est difficile à réaliser, en particulier lorsque le véhicule se trouve dans une pente. On préfère donc souvent à ce type de dispositifs d'autres mécanismes comportant par exemple des ressorts de torsion, et qui sont fatalement plus encombrants et plus bruyants. When the pads are each housed in a hollow in the surface of the cam, they can exert a cam locking action which in principle prevents an unwanted opening or closing of the door by the user. In fact, the forces exerted by the polymer pads are relatively limited, and very firm support of the door is difficult to achieve, in particular when the vehicle is on a slope. It is therefore often preferred to this type of device other mechanisms comprising for example torsion springs, and which are fatally more bulky and noisy.
Le but de l'invention est de procurer aux constructeurs de véhicules automobiles des mécanismes d'arrêt de porte, du type à chape, came et boîtier, à maintien amélioré. The object of the invention is to provide motor vehicle manufacturers with door stop mechanisms, of the yoke, cam and housing type, with improved retention.
A cet effet, l'invention a pour objet un mécanisme d'arrêt de porte de véhicule, du type comprenant: - une chape destinée à être fixée sur la caisse du véhicule; - une came dont une première extrémité est insérée dans la chape de manière à pouvoir tourner autour d'un axe vertical, dont une seconde extrémité comporte une butée, et sur les faces supérieure et inférieure de laquelle sont ménagées des pistes comportant des parties en relief et des parties en creux; - un boîtier obturé par un couvercle, munis de moyens de fixation à la porte du véhicule, le boîtier et son couvercle comportant des orifices pour le passage de la came; - et des moyens pour exercer une pression sur chacune des faces supérieure et inférieure de la came renfermés dans le boîtier; 35 caractérisé en ce que lesdits moyens comportent: I/ - deux galets cylindriques, destinés à être appliqués contre la came, montés libres en rotation autour d'axes horizontaux; - deux coulisseaux supportant les axes des galets et pouvant se déplacer verticalement à l'intérieur du boîtier; - et des ressorts travaillant en compression pour pousser les coulisseaux en direction de la came. To this end, the invention relates to a vehicle door stop mechanism, of the type comprising: - a yoke intended to be fixed to the vehicle body; - A cam, a first end of which is inserted into the yoke so as to be able to rotate about a vertical axis, a second end of which has a stop, and on the upper and lower faces of which are provided tracks comprising parts in relief and recessed parts; - A housing closed by a cover, provided with means for fixing to the vehicle door, the housing and its cover having holes for the passage of the cam; - And means for exerting pressure on each of the upper and lower faces of the cam enclosed in the housing; 35 characterized in that said means comprise: I / - two cylindrical rollers, intended to be applied against the cam, mounted free in rotation about horizontal axes; - two slides supporting the axes of the rollers and able to move vertically inside the housing; - And springs working in compression to push the sliders in the direction of the cam.
De préférence, le mécanisme comporte des bagues en un matériau autolubrifiant disposées entre les galets et leurs axes respectifs. Preferably, the mechanism comprises rings of a self-lubricating material arranged between the rollers and their respective axes.
De préférence, les ressorts sont des ressorts en élastomère. Preferably, the springs are elastomer springs.
De préférence, la came comporte une âme en métal et un revêtement en polymère sur lequel sont ménagées lesdites pistes. Preferably, the cam comprises a metal core and a polymer coating on which said tracks are formed.
Comme on l'aura compris, le mécanisme d'arrêt de porte selon l'invention se distingue de l'art antérieur en ce que la pression sur les deux faces de la came est assurée par deux galets montés chacun en rotation sur un axe 15 solidaire d'un coulisseau. C'est sur ce coulisseau que des éléments élastiques, tels que des ressorts en élastomère, exercent une pression tendant à appliquer les galets contre la came pour maintenir la porte dans la position choisie. As will be understood, the door stop mechanism according to the invention differs from the prior art in that the pressure on the two faces of the cam is ensured by two rollers each mounted in rotation on an axis 15 secured to a slide. It is on this slide that elastic elements, such as elastomer springs, exert pressure tending to apply the rollers against the cam to maintain the door in the chosen position.
L'invention sera mieux comprise à la lecture de la description qui suit, donnée en référence aux figures annexées suivantes: 2 0 - la figure 1 qui montre en vue éclatée les différentes pièces composant un exemple de mécanisme d'arrêt de porte selon l'invention; - la figure 2 qui montre, vu en coupe selon 11-Il, ce même exemple de mécanisme; - la figure 3 qui montre, vu en coupe selon 111-111, ce même exemple de 25 mécanisme. The invention will be better understood on reading the description which follows, given with reference to the following appended figures: 2 0 - Figure 1 which shows in exploded view the different parts making up an example of door stop mechanism according to invention; - Figure 2 which shows, seen in section along 11-Il, this same example of mechanism; - Figure 3 which shows, seen in section along 111-111, this same example of mechanism.
L'exemple de mécanisme d'arrêt de porte selon l'invention représenté sur les figures comporte en premier lieu une chape 1 destinée à être fixée sur la caisse du véhicule (non représentée) au moyen d'un organe de fixation (non représenté) traversant un orifice 2 de la chape 1. La chape 1 comporte deux 30 pattes horizontales 3, 3' entre lesquelles vient s'insérer une première extrémité 4 d'une came 5. The example of a door stop mechanism according to the invention shown in the figures first comprises a yoke 1 intended to be fixed to the body of the vehicle (not shown) by means of a fixing member (not shown) passing through an orifice 2 of the yoke 1. The yoke 1 comprises two horizontal tabs 3, 3 ′ between which a first end 4 of a cam 5 is inserted.
Cette première extrémité 4 de la came 5 et les pattes 3, 3' de la chape 1 sont traversées par un axe 28 vertical qui permet à la came 5 d'être maintenue libre en rotation dans un plan horizontal. La came 5 comporte une âme 35 métallique 6 sur laquelle est formé par surmoulage un revêtement en polymère 7, Sur les faces supérieure et inférieure de la came 5, le revêtement 7 définit des pistes comportant une succession de parties en relief 8 et de parties en creux 9. This first end 4 of the cam 5 and the legs 3, 3 ′ of the yoke 1 are crossed by a vertical axis 28 which allows the cam 5 to be kept free to rotate in a horizontal plane. The cam 5 comprises a metal core 6 on which a polymer coating 7 is formed by overmolding. On the upper and lower faces of the cam 5, the coating 7 defines tracks comprising a succession of raised parts 8 and parts made of hollow 9.
La came 5 traverse des orifices 10, 11 ménagés respectivement dans un boîtier 12 et dans son couvercle 13. A la deuxième extrémité 14 de la came 5 est fixée 5 une butée 15 métallique revêtue d'une plaque d'amortissement 16 en élastomère. Le boîtier 12 et son couvercle 13 sont munis d'orifices correspondants 17, 17', 18, 18' destinés à être traversés par des vis à souder 19, 19' qui, d'une part, solidarisent l'un à l'autre le boîtier 12 et son couvercle 13 et, d'autre part, solidarisent l'ensemble à la porte (non représentée) du véhicule. 10 D'autres moyens de fixation (vis ordinaires, boulons...) seraient envisageables à cet effet. The cam 5 passes through orifices 10, 11 formed respectively in a housing 12 and in its cover 13. At the second end 14 of the cam 5 is fixed 5 a metal stop 15 coated with a damping plate 16 made of elastomer. The housing 12 and its cover 13 are provided with corresponding orifices 17, 17 ', 18, 18' intended to be crossed by welding screws 19, 19 'which, on the one hand, join to each other the housing 12 and its cover 13 and, on the other hand, secure the assembly to the door (not shown) of the vehicle. 10 Other fixing means (ordinary screws, bolts, etc.) could be envisaged for this purpose.
Comme il est connu, le boîtier 12 renferme des moyens permettant d'exercer une pression sur les faces supérieure et inférieure de la came 5, de façon à maintenir la porte du véhicule en position ouverte. Selon l'invention, ces 15 moyens sont constitués par des galets 20, 20' cylindriques en métal. Ils sont chacun traversés par un axe horizontal en métal 21, 21', duquel ils sont séparés par une bague 22, 22' en un matériau autolubrifiant tel que du PTFE. Les axes 21, 21' sont chacun portés par un coulisseau 23, 23' en polymère pouvant se déplacer en translation verticale à l'intérieur du boîtier 12, de manière à se 20 rapprocher ou à s'éloigner de la came 5. Les déplacements des coulisseaux 23, 23' à l'intérieur du boîtier 12 sont régis par des ressorts de compression 24, 24' en élastomère, de forme extérieure parallélépipédique dans l'exemple représenté, de manière à bien remplir l'espace intérieur du boîtier 12, qui tendent à pousser les coulisseaux 23, 23' en direction de la came 5. Avantageusement, 25 ces ressorts 24, 24' comportent chacun une perforation centrale 25, 25' qui facilite leur travail en compression et peut recevoir une excroissance 26, 26' ménagée sur le coulisseau 23, 23' correspondant. As is known, the housing 12 contains means making it possible to exert pressure on the upper and lower faces of the cam 5, so as to keep the vehicle door in the open position. According to the invention, these 15 means are constituted by cylindrical rollers 20, 20 ′ of metal. They are each crossed by a horizontal metal axis 21, 21 ', from which they are separated by a ring 22, 22' made of a self-lubricating material such as PTFE. The axes 21, 21 'are each carried by a slide 23, 23' made of polymer which can move in vertical translation inside the housing 12, so as to approach or move away from the cam 5. The displacements slides 23, 23 ′ inside the housing 12 are governed by compression springs 24, 24 ′ made of elastomer, of parallelepiped external shape in the example shown, so as to fill the interior space of the housing 12 well, which tend to push the slides 23, 23 'in the direction of the cam 5. Advantageously, these springs 24, 24' each have a central perforation 25, 25 'which facilitates their work in compression and can receive a protrusion 26, 26' formed on the corresponding slide 23, 23 ′.
A l'état de repos, porte fermée, les ressorts 24, 24' sont comprimés de façon à ce qu'ils exercent sur les coulisseaux 23, 23' des forces qui appliquent 30 les galets 20, 20' contre la came 5. Les pièces se trouvent dans les positions relatives représentées sur la figure 2. Lorsqu'on ouvre la porte, le boîtier 12 se déplace avec elle selon les flèches 27 en même temps que la came 5 tourne autour de l'axe 28, et les galets 20, 20' roulent sur les surfaces de la came 5. In the state of rest, door closed, the springs 24, 24 'are compressed so that they exert on the slides 23, 23' forces which apply the rollers 30, 20 'against the cam 5. The parts are in the relative positions shown in Figure 2. When the door is opened, the housing 12 moves with it according to the arrows 27 at the same time as the cam 5 rotates around the axis 28, and the rollers 20 , 20 'roll on the surfaces of the cam 5.
Lorsque les galets 20, 20' rencontrent un des reliefs 8 ménagés sur la came 5, ils 35 exercent un effort de compression sur les ressorts 24, 24' par l'intermédiaire des coulisseaux 23, 23'. Lorsque les galets rencontrent un creux 9 ménagé sur la came 5, ils viennent s'y loger et un déplacement supplémentaire de la porte non voulu par l'utilisateur est ainsi empêché. Le nombre de positions possibles prises par la porte entre sa position fermée et sa position grande ouverte dépend du nombre de parties en creux 9 ménagées sur la came 5. Lorsque le boîtier 12 5 vient buter contre la plaque d'amortissement 16 de la butée 15, la porte prend son ouverture maximale. When the rollers 20, 20 'meet one of the reliefs 8 formed on the cam 5, they exert a compressive force on the springs 24, 24' by means of the slides 23, 23 '. When the rollers meet a recess 9 formed on the cam 5, they are housed therein and an additional movement of the door not wanted by the user is thus prevented. The number of possible positions taken by the door between its closed position and its wide open position depends on the number of hollow parts 9 formed on the cam 5. When the housing 12 5 abuts against the damping plate 16 of the stop 15 , the door takes its maximum opening.
Les avantages de l'invention sur les dispositifs connus o des patins en polymère frottent directement sur la came sont les suivants. The advantages of the invention on known devices o polymer pads rub directly on the cam are as follows.
Le contact de roulement des galets 20, 20', et non plus de frottement, 10 autorise l'application de couples importants sans augmenter l'encombrement du mécanisme. Il permet également de réduire l'usure du mécanisme. The rolling contact of the rollers 20, 20 ′, and no longer of friction, 10 allows the application of significant torques without increasing the bulk of the mechanism. It also reduces wear on the mechanism.
Le fait que les seules pièces métalliques fonctionnelles non revêtues de polymère soient les galets 20, 20' garantit une faible bruyance du dispositif puisqu'il n'y a aucun contact métal-métal dans la variante préférée de l'invention. 15 Les ressorts en élastomère 24, 24' procurent un bon amortissement des vibrations lors des mouvements de la porte, meilleur que ne le feraient des ressorts métalliques. Toutefois, si on tolère un moins bon amortissement des vibrations, et aussi une plus grande sensibilité à la corrosion, il demeurerait dans l'esprit de l'invention de remplacer ces ressorts en élastomère 24, 24' par des 20 ressorts métalliques. The fact that the only functional metal parts not coated with polymer are the rollers 20, 20 ′ guarantees low noise of the device since there is no metal-metal contact in the preferred variant of the invention. The elastomer springs 24, 24 'provide good damping of vibrations during door movements, better than would be the case with metal springs. However, if we tolerate less good vibration damping, and also greater sensitivity to corrosion, it would remain in the spirit of the invention to replace these elastomer springs 24, 24 ′ by metal springs.
Il demeurerait également dans l'esprit de l'invention de prévoir une came 5 non revêtue, et donc entièrement métallique. Mais le revêtement de la came par un polymère permet, comme on l'a dit, de diminuer le bruit du mécanisme. La présence des bagues 22, 22' en PTFE entre les galets 20, 20' et 25 leurs axes 21, 21', sans être à proprement parler indispensable, est aussi très conseillée pour des raisons de bruit et d'amortissement. It would also remain in the spirit of the invention to provide a cam 5 which is not coated, and therefore entirely metallic. However, coating the cam with a polymer makes it possible, as has been said, to reduce the noise of the mechanism. The presence of the rings 22, 22 ′ in PTFE between the rollers 20, 20 ′ and their axes 21, 21 ′, without being strictly speaking essential, is also highly recommended for reasons of noise and damping.
Lorsque les matériaux précisés sont utilisés, le mécanisme peut fonctionner sans graisse, avec une sensibilité minimale à la corrosion et une absence de dégradation de l'aspect des parties visibles, en particulier si le 30 revêtement de la came est teinté dans la masse. When the specified materials are used, the mechanism can operate without grease, with a minimum sensitivity to corrosion and an absence of degradation of the appearance of the visible parts, in particular if the coating of the cam is tinted in the mass.
Claims (4)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR0303655A FR2852995B1 (en) | 2003-03-25 | 2003-03-25 | IMPROVED VEHICLE DOOR STOP MECHANISM |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR0303655A FR2852995B1 (en) | 2003-03-25 | 2003-03-25 | IMPROVED VEHICLE DOOR STOP MECHANISM |
Publications (2)
Publication Number | Publication Date |
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FR2852995A1 true FR2852995A1 (en) | 2004-10-01 |
FR2852995B1 FR2852995B1 (en) | 2007-04-13 |
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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FR0303655A Expired - Fee Related FR2852995B1 (en) | 2003-03-25 | 2003-03-25 | IMPROVED VEHICLE DOOR STOP MECHANISM |
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Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2007010811A1 (en) | 2005-07-15 | 2007-01-25 | Honda Motor Co., Ltd. | Door checker for automobile |
EP2011940A1 (en) * | 2007-07-02 | 2009-01-07 | Gammastamp S.p.A. | Door-stop device for vehicles |
FR2932520A1 (en) * | 2008-06-12 | 2009-12-18 | Renault Sas | Door rotation stopping device for pick-up van, has connection piece connected in rotation at end of cam along axis, and fixation piece fixing device to door or vehicle and connected in rotation of connection piece along another axis |
DE202009012558U1 (en) | 2008-09-17 | 2010-02-11 | Edscha Ag | A door stay |
FR2957110A1 (en) * | 2010-03-03 | 2011-09-09 | Peugeot Citroen Automobiles Sa | Assembly for stopping opening of door of motor vehicle in restricted environment i.e. parking area, has stopping device comprising elastic unit to maintain cam body in contact with cam surface |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5051597B2 (en) * | 2007-08-15 | 2012-10-17 | 日本発條株式会社 | Slide lock device |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4833755A (en) * | 1986-01-13 | 1989-05-30 | Lucien Bonin | System for marking the relative position of a mobile element with respect to a fixed element |
DE4325550A1 (en) * | 1993-03-29 | 1994-10-06 | Scharwaechter Gmbh Co Kg | Retaining-means housing for motor-vehicle door checks |
US6446305B1 (en) * | 2000-08-29 | 2002-09-10 | Dura Global Technologies | Rollerless door check mechanism |
-
2003
- 2003-03-25 FR FR0303655A patent/FR2852995B1/en not_active Expired - Fee Related
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4833755A (en) * | 1986-01-13 | 1989-05-30 | Lucien Bonin | System for marking the relative position of a mobile element with respect to a fixed element |
DE4325550A1 (en) * | 1993-03-29 | 1994-10-06 | Scharwaechter Gmbh Co Kg | Retaining-means housing for motor-vehicle door checks |
US6446305B1 (en) * | 2000-08-29 | 2002-09-10 | Dura Global Technologies | Rollerless door check mechanism |
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2007010811A1 (en) | 2005-07-15 | 2007-01-25 | Honda Motor Co., Ltd. | Door checker for automobile |
EP1908903A1 (en) * | 2005-07-15 | 2008-04-09 | HONDA MOTOR CO., Ltd. | Door checker for automobile |
EP1908903A4 (en) * | 2005-07-15 | 2008-11-26 | Honda Motor Co Ltd | Door checker for automobile |
US7913354B2 (en) | 2005-07-15 | 2011-03-29 | Honda Motor Co., Ltd. | Automobile door checker |
EP2011940A1 (en) * | 2007-07-02 | 2009-01-07 | Gammastamp S.p.A. | Door-stop device for vehicles |
FR2932520A1 (en) * | 2008-06-12 | 2009-12-18 | Renault Sas | Door rotation stopping device for pick-up van, has connection piece connected in rotation at end of cam along axis, and fixation piece fixing device to door or vehicle and connected in rotation of connection piece along another axis |
DE202009012558U1 (en) | 2008-09-17 | 2010-02-11 | Edscha Ag | A door stay |
FR2957110A1 (en) * | 2010-03-03 | 2011-09-09 | Peugeot Citroen Automobiles Sa | Assembly for stopping opening of door of motor vehicle in restricted environment i.e. parking area, has stopping device comprising elastic unit to maintain cam body in contact with cam surface |
Also Published As
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FR2852995B1 (en) | 2007-04-13 |
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