EP1920127B1 - Door stop with indeterminate retaining positions - Google Patents

Door stop with indeterminate retaining positions Download PDF

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Publication number
EP1920127B1
EP1920127B1 EP06794188A EP06794188A EP1920127B1 EP 1920127 B1 EP1920127 B1 EP 1920127B1 EP 06794188 A EP06794188 A EP 06794188A EP 06794188 A EP06794188 A EP 06794188A EP 1920127 B1 EP1920127 B1 EP 1920127B1
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EP
European Patent Office
Prior art keywords
roller
door
guiding arm
guiding
guide
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.)
Not-in-force
Application number
EP06794188A
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German (de)
French (fr)
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EP1920127A1 (en
Inventor
André Prieur
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Individual
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Individual
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Publication date
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Publication of EP1920127A1 publication Critical patent/EP1920127A1/en
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Publication of EP1920127B1 publication Critical patent/EP1920127B1/en
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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
    • E05C19/00—Other devices specially designed for securing wings, e.g. with suction cups
    • E05C19/16—Devices holding the wing by magnetic or electromagnetic attraction
    • E05C19/166—Devices holding the wing by magnetic or electromagnetic attraction electromagnetic
    • 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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T292/00—Closure fasteners
    • Y10T292/28—Extension link
    • Y10T292/301—Friction catch

Definitions

  • the present invention relates to a mechanism for stopping and maintaining a swinging door or sliding, in an undetermined position, between closing and full opening, with in particular possible applications to the opening of motor vehicles.
  • This mechanism designed to be economical, is partly constituted by a carriage secured to the door or the body, comprising a braking element acting on a cylindrical roller, ensuring the locking relative to a guide, itself integral with the other part (body or door).
  • the assembly ensures a maintenance of the opening in an indeterminate stopping position, when it ceases to exert the effort required for the opening maneuver or closing.
  • Such devices have the disadvantage of allowing only a few predetermined positions of openings of the door, with a driving force approaching each of these positions, forcing to maintain the door when there is a risk of interference with the surrounding environment (pillar, wall, other vehicle). Such a maneuver can be tricky when leaving the vehicle, because of the inconvenient position, the occupant releases the door, which under the effect of a rebound may come crashing or even hurt.
  • the present invention also proposes to overcome the disadvantage presented by the traditional systems with predefined stopping positions, by proposing a simplified mechanism, allowing stopping in an indeterminate position, while not ruling out the preservation of certain privileged positions. .
  • a simplified variant will consist of grouping the support (32) and the carriage (2) in one and the same piece, integral with the door (or the body), as described on the Figure 11 . We can then save the support (32).
  • the guide (1) ( Figure 12 ), will be integral with the bodywork, or the door, by means of a joint allowing sufficient degrees of freedom to accompany the kinematics of the door relative to the body during the opening and closing maneuvers.
  • the guide (1) may have a curved shape to adapt to the kinematics of opening and closing of the door and be provided with notches or bosses if it is desired to define privileged positions.
  • the guide (1) may be provided with two rolling paths (11) and (12), placed on two of its opposite faces, one of which will constitute a locking zone (11), and will therefore be designed so that to be able to ensure a braking force between the guide (1) and the brake roller (21).
  • the roller guide adhesion may be obtained by a roughness of the surface of the rolling path (11), or by a notching of any kind, or even a form of gear, coming in correspondence with the treads.
  • the rolling path (12), located on the opposite face, will have the function of guiding a roller (3).
  • the section of the guide (1) may be of any shape, (circular, elliptical, ...), knowing that a rectangular section appears the simplest and most economical solution and will be used, as such, in the diagrams explanatory. Nevertheless, for this section, it will be possible to provide all forms likely to favor the holding, guiding and blocking of the roller (21), as illustrated by examples on the figure 13 , (Shapes in U, in V or inverted V, type double rail rail, ). As a result, the section of the roller (21) will have in each of these cases, the appropriate corresponding form.
  • the section of the guide (1) may be scalable, depending on the characteristics of adhesion or rolling resistance that one wishes to obtain, these parameters being determinant for the adjustment of the services required by the specifications: resistance encountered during door opening and closing maneuvers, with the possibility of predefining zones of lesser resistance.
  • a reduced section ( Figure 14 )
  • a surface state allowing a sliding of the roller (21) in contact with the guide (1), in order to inhibit any locking function in said zone.
  • some parts of the face (11) of the guide may be coated with a low friction material (Teflon, treated surface, ).
  • the guide can also be designed as shown schematically on the Figure 15 , with two branches (13) and (14), or a single branch (13), so as to provide an area where the roller (21) will not be in contact with the rolling path (11). This provision will in particular be provided for the zones corresponding to the beginning of opening (or end of closing) of the door.
  • the mechanism (9) will in this case be provided with guide slides (91) and (92) schematized on the Figure 16 , to guide the branches (13) and (14) and ensure smooth connection between the rollers (21) and (3), and the guide (1), during the maneuvers of the door.
  • the sliders (91) and (92) will not be detailed here, but may be made so that their shapes partly follow the contours of the sections of the branches (13) and (14), and so as to present a coefficient of friction reduced.
  • a variant may consist in providing for the mounting of the sliders (91) and (92) to the same sheet of the door (or the body).
  • the guide (1) can be bent at its free end, as shown schematically in Figure 12 , so as to form a stop for the roller (3) - or for the roller (21) - thus allowing to limit the movement of the door in the "full open” position.
  • the guide (1) may be constituted by a plate integral with the body (or door), on which the roller (21) will bear.
  • the roller (3) may be retained to oppose the force generated by the roller (21). However, if the guide plate (1) is sufficiently rigid, the roller (3) will not be necessary.
  • the roller (21) When maneuvering the door, opening or closing, the roller (21) will have an approximately circular trajectory, centered on the axis of the joints between the door and the body. Openings (15) or bosses (16) may be provided on the path of the roller (21) to remove the blocking function in certain areas of its race.
  • the shapes of the connection areas (151) - (152) or (161) - (162) will be provided so as to avoid jolts during the path of the roller (21) in its path.
  • the guide (1) may be constituted by a cylindrical member integral with the body (or the door), on which the roller (21) will bear. ( Figure 19 ).
  • the roller (3) will not be necessary in principle not to counterbalance the support force generated by the roller (21).
  • the roller (21) When maneuvering the door, opening or closing, the roller (21) will have an approximately circular trajectory, centered on the axis of the joints between the door and the body. Openings or bosses may, as in the previous variant, be provided on the path of the roller (21) to remove the blocking function in certain areas of its race.
  • the shape of the carriage (2) will be exposed here only schematically and can be optimized for each specific application case, especially to meet the dimensional constraints of its environment ( Figure 2 ).
  • the carriage (2) may be made of metal, plastic or synthetic material and will function to provide a sufficiently rigid connection between the elements that it supports. It can be obtained, as such, by molding, injection, forging, stamping or any other conventional method.
  • the carriage (2) is fixed to the door (or the body) by any means known in the current state of the art. (Screwing, bolting, crimping, welding,).
  • the carriage (2) comprises ( Figure 1 ):
  • the brake-roller (21), mounted on its axis (22), will be of generally cylindrical shape, of material allowing elastic deformation (elastomer, rubber or materials used in the production of tires, ).
  • the role of the brake-roller (21) is to ensure relative locking between the guide (1) and the mechanism (9).
  • the material in which the roller (21) will be made may be more or less soft, so as to ensure, by elastic deformation, a slight rolling resistance force during the opening and closing maneuvers.
  • the material constituting the tread (211) of the roller (21), if it is different from the material constituting the body of the roller, will be chosen so as to guarantee a sufficient frictional force with respect to the guide (1) as well as a longevity in accordance with the specifications of the envisaged applications.
  • the tread (211) of the roller (21) may be smooth, or carved patterns to ensure better adhesion relative to the rolling path (11).
  • the tread (211) may include notches of any shape, corresponding to a notching of the rolling path (11) of the guide (1).
  • the section of the tread (211) will be of a shape in correspondence with that of the rolling path (11), ( Figure 13 ), with the ultimate aim of optimizing the guide of the roller (21) with respect to the guide (1).
  • the roller (21) may be mounted so that it rotates freely about its axis, or on the contrary so that the roller and the axis are integral.
  • the arbitration between one or the other solution will be based on economic considerations and / or functional longevity of the assembly.
  • the blocking of the axial movement of the shaft (22) relative to the carriage (2) can be achieved by any conventional means: washers and circlips or pins on either side of the lateral openings of the carriage, shoulders at the level of the axis, not shown in the accompanying illustrations.
  • the axis (22) is integral with the roller (21), itself “prisoner" of the carriage (2), it will not be necessary to provide an axial locking. In this case, it may be useful to provide shoulders (212) - (213) on either side of the roller (21), in order to limit the frictional forces between the latter and the side walls of the carriage ( 2). ( Figure 3 ).
  • the brake element (23) will be constituted in the form of a shoe integral with the carriage (2), a surface (231) of which will come into contact with the tread (211) of the roller (21), to ensure the blocking. ( Figure 1 ).
  • the surface (231) of the brake element (23) will exhibit adhesion characteristics with respect to the tread (211) of the roller (21), which may be obtained by a roughness or a notch of any kind or a form of gear, corresponding to the tread of the roller (21).
  • the brake element (23) can be realized in materials having sufficient adhesion characteristics with respect to the material used for producing the roller (21). (Metallic materials, plastics, elastomers, ).
  • the brake element (23) may be an integral part of the body of the carriage (2): monobloc assembly obtained by injection, cutting and folding metal parts, or other methods known in the current state of the art.
  • Lateral guiding apertures (25) and (26), made in the body of the carriage (2), are intended to hold and guide the axis (22) of the roller (21), in particular during maneuvers of opening and closing the door. These guiding openings will be designed so that they have bosses and notches, to produce the effects described below.
  • the axis (22) moves in the lateral guide openings (25) and (26).
  • slides (223) and (224) may optionally be mounted on the axis (22), so as to allow better guidance and increased longevity of the assembly.
  • These slides may be made of a material that offers low friction characteristics relative to the material constituting the body of the carriage (2).
  • the guide apertures (25) and (26) may be obtained by any method known in the state of the art (for example by cutting if it is a metal part or by injection in the case of a plastic part). Likewise, the surface state of the zones in contact with the axis (22) or with the sliders (223) - (224) will be such that there is no premature wear. As such, the contour of the lateral guide openings (25) and (26) may be coated with a material promoting sliding and ensuring the longevity of the assembly.
  • the bosses respectively (251) - (252) and (261) - (262), which comprise the lateral openings (25) and (26), are intended to offer a slight resistance to the displacement of the axis (22), during the opening or closing maneuvers, allowing, among other things, to calibrate the force required for unlocking and to determine the travel of the door that one wishes to obtain, between locked and unlocked positions.
  • the ramps respectively (2511) - (2512), (2521) - (2522), (2611) - (2612) and (2621) - (2622) bosses (251), (252), (261) and (262) ), can be slightly asymmetrical, so as to differentiate the locking and unlocking efforts. ( Figure 4 ).
  • the elasticity of the constituent material of the roller (21) participates in the calibration of the unlocking force, a slight "crushing" thereof against the guide (1) being necessary for the axis (22) ) crosses the bosses, respectively (251) - (261), or (252) - (262).
  • the lateral guide openings (25) and (26) will furthermore comprise notches, respectively (253) - (254) and (263) - (264), in which the axis (22) is housed, during the maneuvers opening and closing the door and thus opposing the force generated by the elastic member (24).
  • the elastic assembly (24) tends to extract the axis (22) from the notches respectively (253) - (263) or (254) - (264), to bring it back to its locked initial position, in the notches (250) and (260).
  • the roller (21) is then locked again between the brake element (23) and the guide (1), ensuring the relative locking between the carriage (2) and the guide (1).
  • This re-locking operation from the position where it has ceased to exert an effort to open or close the door, is accompanied by a limited relative movement between the door and the body. This displacement is determined by the dimensions of the guide openings (25) and (26). This makes it easy to immobilize the door in any position that one chooses by performing the maneuver. The door is locked automatically as soon as one stops exerting an effort of opening or closing, without it being necessary to search for a predefined detent position.
  • a possible variant will be to make the pieces (221) and (222) of magnetic materials and to provide cleats (257), (258), (267) and (268), at the respective notches (253), (254) ) (263) and (264). ( Figure 7 ).
  • the cleats (257), (258), (267) and (268) may be made of the same material as the body of the carriage (2), provided that the latter is made from a material allowing to take advantage of of the magnetization effect.
  • the cleats (257), (258), (267) and (268) may be, for example, made by simply cutting and folding a portion of the side faces of the carriage (2).
  • the function of the roller (3) will be to counterbalance the effort sustained by the guide (1) from the carriage (2), thus ensuring the maintenance of the guide (1) during its relative movement through the mechanism (9) .
  • the roller (3) will be free to rotate about an axis (31).
  • the axis (31) will be mounted on the support (32), itself secured to the carriage (2), or may be directly integral with a door element (or body).
  • the axial locking of the axis (31) relative to the support (32) can be achieved by any conventional means: circlip, pin, shoulder at the axis, not shown in the accompanying illustrations.

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  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Power-Operated Mechanisms For Wings (AREA)
  • Lock And Its Accessories (AREA)
  • Wing Frames And Configurations (AREA)
  • Freezers Or Refrigerated Showcases (AREA)
  • Respiratory Apparatuses And Protective Means (AREA)
  • Passenger Equipment (AREA)
  • Support Devices For Sliding Doors (AREA)
  • Braking Arrangements (AREA)

Abstract

A door check mechanism which provides infinite stable retaining positions for a motor vehicle includes an articulated guided arm mounted to one of the vehicle body or the door and a mechanism mounted on the other of the vehicle body or the door such that the guiding arm penetrates the mechanism with a relative displacement between the two parts. A wedging function results from a blocking of the guiding arm by the mechanism. The mechanism includes a carriage device with a braking roller held in contact with the guiding arm and a braking element to ensure the wedging function. When a load greater than a predetermined value is exerted on the door, an axle of the roller slides along lateral guiding slots until the roller is released from the braking element, thus allowing free rotation of the roller and releases the mechanism.

Description

La présente invention se rapporte à un mécanisme permettant l'arrêt et le maintien d'une porte battante ou coulissante, dans une position indéterminée, entre la fermeture et la pleine ouverture, avec en particulier des applications possibles aux ouvrants des véhicules automobiles. Ce mécanisme, conçu pour être économique, est en partie constitué par un chariot solidaire de la portière ou de la carrosserie, comportant un élément de freinage agissant sur un galet cylindrique, assurant le blocage par rapport à un guide, lui-même solidaire de l'autre partie (carrosserie ou portière). L'ensemble assure un maintien de l'ouvrant dans une position d'arrêt indéterminée, dès lors que l'on cesse d'exercer l'effort nécessaire à la manoeuvre d'ouverture ou de fermeture.The present invention relates to a mechanism for stopping and maintaining a swinging door or sliding, in an undetermined position, between closing and full opening, with in particular possible applications to the opening of motor vehicles. This mechanism, designed to be economical, is partly constituted by a carriage secured to the door or the body, comprising a braking element acting on a cylindrical roller, ensuring the locking relative to a guide, itself integral with the other part (body or door). The assembly ensures a maintenance of the opening in an indeterminate stopping position, when it ceases to exert the effort required for the opening maneuver or closing.

On connaît les types d'arrêts décrits dans l'état actuel de l'art, en particulier un arrêt selon le document EP 1 249 569 A1 , qui comporte d'une part, un guide articulé solidaire d'une des parties, comportant des encoches définies à des positions d'arrêt prédéterminées, d'autre part des galets solidaires de l'autre partie et pénétrant de façon élastique dans les encoches pour assurer un blocage.The types of stops described in the current state of the art are known, in particular a judgment according to the document EP 1 249 569 A1 , which comprises, on the one hand, an articulated guide secured to one of the parts, having notches defined at predetermined stop positions, on the other hand rollers secured to the other part and penetrating elastically into the notches to ensure a blockage.

De tels dispositifs présentent l'inconvénient de n'autoriser que quelques positions prédéterminées d'ouvertures de la porte, avec une force d'entraînement à l'approche de chacune de ces positions, obligeant à maintenir la porte lorsqu'il y a risque d'interférence avec le milieu environnant (Pilier, mur, autre véhicule). Une telle manoeuvre peut s'avérer délicate lorsqu'en sortant du véhicule, en raison de la position incommode, l'occupant relâche la porte, qui sous l'effet d'un rebond peut venir le heurter, voire le blesser.Such devices have the disadvantage of allowing only a few predetermined positions of openings of the door, with a driving force approaching each of these positions, forcing to maintain the door when there is a risk of interference with the surrounding environment (pillar, wall, other vehicle). Such a maneuver can be tricky when leaving the vehicle, because of the inconvenient position, the occupant releases the door, which under the effect of a rebound may come crashing or even hurt.

On connaît un dispositif décrit dans la demande de brevet référencée FR 2874 051 A, déposée en date du 05/08/04 par la demanderesse et qui permet de remédier à cet inconvénient, en offrant des possibilités d'arrêt dans une position indéterminée.A device described in the referenced patent application is known FR 2874 051 A, filed on 05/08/04 by the plaintiff and which makes it possible to remedy this disadvantage, by offering stop possibilities in an indeterminate position.

Un autre arrêt de porte selon le preambule de la revendication 1 est connu du document US 6467126B .Another door stop according to the preamble of claim 1 is known from the document US 6467126B .

La présente invention se propose également de remédier à l'inconvénient que présentent les systèmes traditionnels à positions d'arrêt prédéfinies, en proposant un mécanisme simplifié, permettant l'arrêt dans une position indéterminée, tout en n'excluant pas de conserver certaines positions privilégiées.The present invention also proposes to overcome the disadvantage presented by the traditional systems with predefined stopping positions, by proposing a simplified mechanism, allowing stopping in an indeterminate position, while not ruling out the preservation of certain privileged positions. .

Des figures jointes au descriptif, présentent de façon schématique la réalisation et le fonctionnement du mécanisme proposé par l'invention selon les revendications.

  • Figure 1 : vue d'ensemble schématique du mécanisme objet de l'invention
  • Figure 2 : corps du chariot (2)
  • Figure 3 : épaulements optionnels (212) et (213) sur le galet (21)
  • Figure 4 : présentation des formes schématiques des ouvertures de guidage latérales
  • Figure 5 : schéma d'implantation d'aimants participant au maintien de l'axe (22) durant les manoeuvres d'ouverture ou de fermeture
  • Figure 6 : schéma d'implantation de pièces possédant des propriétés magnétiques aux extrémités de l'axe (22)
  • Figure 7 : schéma d'implantation d'aimants aux extrémités de l'axe (22)
  • Figure 8 : représentation schématique de coulisseaux de guidage aux extrémités de l'axe (22)
  • Figure 9 : illustration de l'ensemble élastique (24)
  • Figure 10 : variante de l'ensemble élastique (24)
  • Figure 11 : variante du mécanisme où le galet (3) est maintenu directement par le chariot (2)
  • Figure 12 : illustration schématique du guide (1)
  • Figure 13 : exemples de formes possibles pour la section du guide (1) et le profil correspondant du galet (21)
  • Figure 14 : variante du guide (1) avec une zone de contact réduite
  • Figure 15 : variante du guide (1) avec une zone sans contact
  • Figure 16 : illustration des coulisseaux de guidage (91) et (92)
  • Figure 17 : variante du guide (1)
  • Figure 18 : détail de la variante du guide (1) présentée en figure 17
  • Figure 19 : autre variante du guide (1)
  • Figure 20 : illustration du principe de fonctionnement du mécanisme en position déverrouillage
  • Figure 21 : illustration du débattement du chariot (2) avant déverrouillage
Figures appended to the description, show schematically the embodiment and operation of the mechanism proposed by the invention according to the claims.
  • Figure 1 : schematic overview of the mechanism object of the invention
  • Figure 2 : body of the cart (2)
  • Figure 3 : optional shoulders (212) and (213) on the roller (21)
  • Figure 4 : presentation of the schematic shapes of the lateral guide openings
  • Figure 5 : magnets implantation scheme involved in maintaining the axis (22) during the opening or closing maneuvers
  • Figure 6 : layout diagram of parts with magnetic properties at the ends of the axis (22)
  • Figure 7 : implant layout of magnets at the ends of the axis (22)
  • Figure 8 : schematic representation of guide slides at the ends of the axis (22)
  • Figure 9 : illustration of the elastic assembly (24)
  • Figure 10 : variant of the elastic assembly (24)
  • Figure 11 : variant of the mechanism where the roller (3) is held directly by the carriage (2)
  • Figure 12 : schematic illustration of the guide (1)
  • Figure 13 : examples of possible shapes for the section of the guide (1) and the corresponding profile of the roller (21)
  • Figure 14 : variant of the guide (1) with a reduced contact area
  • Figure 15 : variant of the guide (1) with a contactless zone
  • Figure 16 : illustration of guide slides (91) and (92)
  • Figure 17 : variant of the guide (1)
  • Figure 18 : detail of the variant of the guide (1) presented in figure 17
  • Figure 19 : other variant of the guide (1)
  • Figure 20 : illustration of the principle of operation of the mechanism in the unlocked position
  • Figure 21 : illustration of the travel of the truck (2) before unlocking

Le mécanisme est constitué par : (Figure 1)

  • Un guide articulé (1), formé d'une tige métallique (ou autre matériau résistant), pouvant offrir des chemins de roulage sur deux de ses faces opposées. Ce guide peut être solidaire de la carrosserie ou de la porte.
  • Un mécanisme (9), solidaire de la porte ou de la carrosserie, au travers duquel pénètre le guide (1) et dont la fonction consiste à maintenir verrouillé le guide (1) dans une position indéterminée, dès lors que l'on n'applique pas sur la porte un effort supérieur à la force de déverrouillage. Le mécanisme (9) comprend :
  • Un chariot (2) comportant un galet-frein (21), en partie réalisé en matériaux possédant des propriétés élastiques (élastomères ou gommes pneumatiques par exemple), ainsi qu'un élément de freinage (23). L'élément-frein (23) sera constitué sous la forme d'un patin solidaire du chariot (2), dont une surface (231) viendra en contact avec la bande de roulement (211) du galet (21), pour en assurer le blocage. (Figure 1). L'élément-frein (23) pourra être partie intégrante du corps du chariot (2). Le galet (21) est muni d'un axe (22), qui sert à son maintien et à son guidage par rapport au corps du chariot (2). Cette liaison entre le chariot et le galet est réalisée de telle sorte qu'un mouvement relatif entre ces éléments apparaisse, lorsqu'un effort est exercé entre le guide (1) et le chariot (2). Cette liaison pourra être réalisée simplement, au moyen d'ouvertures de formes oblongues (25) et (26), pratiquées dans le corps du chariot (2), dans lesquelles l'axe (22) pourra être maintenu et guidé avec un certain débattement. (Figure 2). En position 'verrouillée', le galet (21) est bloqué entre l'élément de freinage (23) et le guide (1), réalisant ainsi un auto-blocage de l'ensemble guide (1) / chariot (2). Dans un but de simplification, le chariot (2) pourra être directement réalisé à partir d'éléments de tôle repliés, faisant partie de la porte (ou de la carrosserie). L'ensemble élastique (24) ainsi que le galet (3) et son axe (31), décrits ci-après, seront dans ce cas directement reliés à la porte (ou à la carrosserie). Un ensemble élastique (24), solidaire du chariot (2), constitué d'un élément métallique ou plastique déformable - par exemple un ensemble comprenant deux lames élastiques (Figure 9) -, ou constitué d'éléments de ressorts travaillant en torsion, (Figure 10), servira à maintenir et à ramener l'axe (22) dans la position 'verrouillage'. L'ensemble élastique (24) pourra soit agir directement sur l'axe (22), soit agir sur les coulisseaux (224) et (223) schématisés en figure 8, éventuellement prévus pour faciliter le guidage de l'axe (22) dans les ouvertures (25) et (26). Dans ce cas, l'ensemble élastique (24) pourra être constitué, à titre d'exemple non limitatif, par des éléments de ressorts hélicoïdaux travaillant en compression.
  • Un galet (3), monté en rotation libre sur son axe (31) et maintenu par un support (32) solidaire du mécanisme (9) et servant à contrebalancer l'effort subi par le guide (1) de la part du chariot (2) (Figure 1). Par soucis de simplification ou d'économie, le support (32) pourra être directement assemblé sur la porte (ou la carrosserie).
The mechanism is constituted by: Figure 1 )
  • An articulated guide (1) formed of a metal rod (or other resistant material), which can offer rolling paths on two of its opposite faces. This guide can be secured to the body or the door.
  • A mechanism (9), integral with the door or the bodywork, through which the guide (1) penetrates and whose function consists in keeping the guide (1) locked in an indeterminate position, as long as one does not not apply to the door a force greater than the unlocking force. The mechanism (9) comprises:
  • A carriage (2) comprising a brake-roller (21), partly made of materials having elastic properties (elastomers or pneumatic tires for example), and a braking element (23). The brake element (23) will be constituted in the form of a shoe integral with the carriage (2), a surface (231) of which will come into contact with the tread (211) of the roller (21), for secure the blockage. ( Figure 1 ). The brake element (23) may be integral with the body of the carriage (2). The roller (21) is provided with an axis (22), which serves to maintain and guide it relative to the body of the carriage (2). This connection between the carriage and the roller is made such that a relative movement between these elements occurs when a force is exerted between the guide (1) and the carriage (2). This connection can be made simply, by means of oblong openings (25) and (26), formed in the body of the carriage (2), in which the axis (22) can be maintained and guided with a certain deflection . ( Figure 2 ). In the 'locked' position, the roller (21) is locked between the braking element (23) and the guide (1), thereby self-locking the guide assembly (1) / carriage (2). For the sake of simplification, the carriage (2) can be directly made from folded sheet metal elements forming part of the door (or body). The elastic assembly (24) and the roller (3) and its axis (31), described below, will in this case be directly connected to the door (or body). An elastic assembly (24) integral with the carriage (2), consisting of a deformable metal or plastic element - for example an assembly comprising two elastic blades ( Figure 9 ) - or consisting of spring elements working in torsion, ( Figure 10 ), will serve to maintain and return the axis (22) to the 'lock' position. The elastic assembly (24) can either act directly on the axis (22) or act on the slides (224) and (223) schematized in figure 8 , optionally provided to facilitate the guiding of the axis (22) in the openings (25) and (26). In this case, the elastic assembly (24) may be constituted, by way of non-limiting example, by coil spring elements working in compression.
  • A roller (3) mounted in free rotation on its axis (31) and held by a support (32) integral with the mechanism (9) and serving to counterbalance the force undergone by the guide (1) on the part of the carriage ( 2) ( Figure 1 ). For the sake of simplification or economy, the support (32) can be directly assembled on the door (or the body).

Une variante simplifiée consistera à regrouper le support (32) et le chariot (2) en une seule et même pièce, solidaire de la porte (ou de la carrosserie), telle que décrite sur la Figure 11. On peut alors faire l'économie du support (32).A simplified variant will consist of grouping the support (32) and the carriage (2) in one and the same piece, integral with the door (or the body), as described on the Figure 11 . We can then save the support (32).

GUIDE (1)GUIDE (1)

Le guide (1), (Figure 12), sera solidaire de la carrosserie, ou de la portière, par l'intermédiaire d'une articulation lui permettant des degrés de liberté suffisants pour accompagner la cinématique de la porte par rapport à la carrosserie lors des manoeuvres d'ouverture et de fermeture.The guide (1), ( Figure 12 ), will be integral with the bodywork, or the door, by means of a joint allowing sufficient degrees of freedom to accompany the kinematics of the door relative to the body during the opening and closing maneuvers.

L'articulation ne sera pas décrite ici et pourra être de toute nature selon l'état actuel de l'art. Le guide (1) peut avoir un forme incurvée pour s'adapter à la cinématique d'ouverture et de fermeture de la porte et être pourvu d'encoches ou de bossages si l'on souhaite définir des positions privilégiées. Le guide (1) pourra être doté de deux chemins de roulage (11) et (12), placés sur deux de ses faces opposées, dont l'un constituera une zone de blocage (11), et sera à ce titre conçu de sorte à pouvoir assurer un effort de freinage entre le guide (1) et le galet-frein (21). A cet effet, l'adhérence guide-galet pourra être obtenue par une rugosité de la surface du chemin de roulage (11), ou par un crantage de toute nature, voire une forme d'engrenage, venant en correspondance avec les bandes de roulement du galet (21). Le chemin de roulage (12), situé sur la face opposée, aura pour fonction d'assurer le guidage d'un galet (3). La section du guide (1) pourra être de forme quelconque, (circulaire, elliptique, ...), sachant qu'une section rectangulaire apparaît la solution la plus simple et la plus économique et sera utilisée, à ce titre, dans les schémas explicatifs. On pourra néanmoins, pour cette section, prévoir toutes formes de nature à favoriser le maintien, le guidage et le blocage du galet (21), telles qu'illustrées par des exemples sur la figure 13, (Formes en U, en V ou V inversé, de type double rail de chemin de fer, ...). Par voie de conséquence, la section du galet (21) aura dans chacun de ces cas, la forme correspondante appropriée. Par ailleurs, la section du guide (1) pourra être évolutive, selon les caractéristiques d'adhérence ou de résistance au roulement que l'on souhaite obtenir, ces paramètres étant déterminants pour le réglage des prestations demandées au cahier des charges : résistance rencontrée lors des manoeuvres d'ouverture et de fermeture de la porte, avec possibilité de prédéfinir des zones de moindre résistance. En particulier, dans la zone du guide correspondant au tout début d'ouverture, on pourra prévoir une section réduite, (Figure 14), et un état de surface permettant un glissement du galet (21) au contact du guide (1), afin d'inhiber toute fonction de verrouillage dans ladite zone. A cet effet, certaines parties de la face (11) du guide pourront être revêtue d'un matériau à faible coefficient de friction (Téflon, surface traitée, ...).The articulation will not be described here and may be of any kind according to the current state of the art. The guide (1) may have a curved shape to adapt to the kinematics of opening and closing of the door and be provided with notches or bosses if it is desired to define privileged positions. The guide (1) may be provided with two rolling paths (11) and (12), placed on two of its opposite faces, one of which will constitute a locking zone (11), and will therefore be designed so that to be able to ensure a braking force between the guide (1) and the brake roller (21). For this purpose, the roller guide adhesion may be obtained by a roughness of the surface of the rolling path (11), or by a notching of any kind, or even a form of gear, coming in correspondence with the treads. of the roller (21). The rolling path (12), located on the opposite face, will have the function of guiding a roller (3). The section of the guide (1) may be of any shape, (circular, elliptical, ...), knowing that a rectangular section appears the simplest and most economical solution and will be used, as such, in the diagrams explanatory. Nevertheless, for this section, it will be possible to provide all forms likely to favor the holding, guiding and blocking of the roller (21), as illustrated by examples on the figure 13 , (Shapes in U, in V or inverted V, type double rail rail, ...). As a result, the section of the roller (21) will have in each of these cases, the appropriate corresponding form. Furthermore, the section of the guide (1) may be scalable, depending on the characteristics of adhesion or rolling resistance that one wishes to obtain, these parameters being determinant for the adjustment of the services required by the specifications: resistance encountered during door opening and closing maneuvers, with the possibility of predefining zones of lesser resistance. In particular, in the region of the guide corresponding to the very beginning of opening, it will be possible to provide a reduced section, ( Figure 14 ), and a surface state allowing a sliding of the roller (21) in contact with the guide (1), in order to inhibit any locking function in said zone. For this purpose, some parts of the face (11) of the guide may be coated with a low friction material (Teflon, treated surface, ...).

Le guide pourra également être conçu tel que schématisé sur la Figure 15, avec deux branches (13) et (14), ou une seule branche (13), de sorte à ménager une zone où le galet (21) ne sera pas en contact avec le chemin de roulage (11). Cette disposition sera en particulier prévue pour les zones correspondant au début d'ouverture (ou fin de fermeture) de la porte. Le mécanisme (9) sera dans ce cas muni de coulisseaux de guidage (91) et (92) schématisés sur la Figure 16, pour guider les branches (13) et (14) et assurer un raccordement sans a-coups entre les galets (21) et (3), et le guide (1), lors des manoeuvres de la porte. Les coulisseaux (91) et (92) ne seront pas détaillés ici, mais pourront être réalisés de sorte que leurs formes épousent en partie les contours des sections des branches (13) et (14), et de sorte à présenter un coefficient de friction réduit. Une variante pourra consister à prévoir le montage des coulisseaux (91) et (92) à même la tôle de la porte (ou de la carrosserie).The guide can also be designed as shown schematically on the Figure 15 , with two branches (13) and (14), or a single branch (13), so as to provide an area where the roller (21) will not be in contact with the rolling path (11). This provision will in particular be provided for the zones corresponding to the beginning of opening (or end of closing) of the door. The mechanism (9) will in this case be provided with guide slides (91) and (92) schematized on the Figure 16 , to guide the branches (13) and (14) and ensure smooth connection between the rollers (21) and (3), and the guide (1), during the maneuvers of the door. The sliders (91) and (92) will not be detailed here, but may be made so that their shapes partly follow the contours of the sections of the branches (13) and (14), and so as to present a coefficient of friction reduced. A variant may consist in providing for the mounting of the sliders (91) and (92) to the same sheet of the door (or the body).

Enfin, le guide (1) pourra être recourbé en son extrémité libre, tel que schématisé en Figure 12, de façon à constituer une butée pour le galet (3) - ou pour le galet (21) -permettant ainsi de limiter le débattement de la porte en position « pleine ouverture ».Finally, the guide (1) can be bent at its free end, as shown schematically in Figure 12 , so as to form a stop for the roller (3) - or for the roller (21) - thus allowing to limit the movement of the door in the "full open" position.

Variante de guide : le guide (1) pourra être constitué par une plaque solidaire de la carrosserie (ou de la porte), sur laquelle le galet (21) viendra en appui. (Figure 17). Le galet (3) pourra être conservé pour s'opposer à l'effort engendré par le galet (21). Toutefois, si la plaque de guidage (1) est suffisamment rigide, le galet (3) ne sera pas nécessaire. Lors des manoeuvres de la porte, en ouverture ou en fermeture, le galet (21) aura une trajectoire approximativement circulaire, centrée sur l'axe des articulations entre la porte et la carrosserie. Des ouvertures (15) ou bossages (16), pourront être prévus sur la trajectoire du galet (21) afin de supprimer la fonction de blocage dans certains secteurs de sa course. (Figure 18). Les formes des zones de raccordement (151)-(152) ou (161)-(162) seront prévues de sorte à éviter les à-coups lors du cheminement du galet (21) sur sa trajectoire.Guide variant: the guide (1) may be constituted by a plate integral with the body (or door), on which the roller (21) will bear. ( Figure 17 ). The roller (3) may be retained to oppose the force generated by the roller (21). However, if the guide plate (1) is sufficiently rigid, the roller (3) will not be necessary. When maneuvering the door, opening or closing, the roller (21) will have an approximately circular trajectory, centered on the axis of the joints between the door and the body. Openings (15) or bosses (16) may be provided on the path of the roller (21) to remove the blocking function in certain areas of its race. ( Figure 18 ). The shapes of the connection areas (151) - (152) or (161) - (162) will be provided so as to avoid jolts during the path of the roller (21) in its path.

Autre variante de guide : le guide (1) pourra être constitué par un élément de forme cylindrique solidaire de la carrosserie (ou de la porte), sur lequel le galet (21) viendra en appui. (Figure 19). Le galet (3) ne sera en principe pas nécessaire à contrebalancer l'effort d'appui engendré par le galet (21). Lors des manoeuvres de la porte, en ouverture ou en fermeture, le galet (21) aura une trajectoire approximativement circulaire, centrée sur l'axe des articulations entre la porte et la carrosserie. Des ouvertures ou bossages pourront, comme dans la précédente variante, être prévus sur la trajectoire du galet (21) afin de supprimer la fonction de blocage dans certains secteurs de sa course.Another guide variant: the guide (1) may be constituted by a cylindrical member integral with the body (or the door), on which the roller (21) will bear. ( Figure 19 ). The roller (3) will not be necessary in principle not to counterbalance the support force generated by the roller (21). When maneuvering the door, opening or closing, the roller (21) will have an approximately circular trajectory, centered on the axis of the joints between the door and the body. Openings or bosses may, as in the previous variant, be provided on the path of the roller (21) to remove the blocking function in certain areas of its race.

CHARIOT (2)TROLLEY (2)

La forme du chariot (2) ne sera exposée ici que de façon schématique et pourra être optimisée à chaque cas d'application spécifique, en particulier pour répondre aux contraintes dimensionnelles de son environnement (Figure 2).The shape of the carriage (2) will be exposed here only schematically and can be optimized for each specific application case, especially to meet the dimensional constraints of its environment ( Figure 2 ).

Le chariot (2) pourra être réalisé en métal, en matière plastique ou en matériau de synthèse et aura pour fonction d'assurer une liaison suffisamment rigide entre les éléments qu'il supporte. Il pourra être obtenu, à ce titre, par moulage, injection, forgeage, estampage ou tout autre procédé classique. Le chariot (2) est fixé à la porte (ou à la carrosserie) par tout moyen connu dans l'état actuel de l'art. (Vissage, boulonnage, sertissage, soudure, ).The carriage (2) may be made of metal, plastic or synthetic material and will function to provide a sufficiently rigid connection between the elements that it supports. It can be obtained, as such, by molding, injection, forging, stamping or any other conventional method. The carriage (2) is fixed to the door (or the body) by any means known in the current state of the art. (Screwing, bolting, crimping, welding,).

Le chariot (2) comprend (Figure 1) :The carriage (2) comprises ( Figure 1 ):

A/ Un galet-frein (21) A / A brake roller (21)

Le galet-frein (21), monté sur son axe (22), sera prévu de forme globalement cylindrique, en matière permettant une déformation élastique (élastomère, gomme ou matériaux utilisés dans la réalisation de pneumatiques,...). Le galet-frein (21) a pour rôle d'assurer un verrouillage relatif entre le guide (1) et le mécanisme (9). Le matériau dans lequel sera réalisé le galet (21) pourra être plus ou moins tendre, de façon à assurer, par déformation élastique, une légère force de résistance au roulement lors des manoeuvres d'ouverture et de fermeture. Le matériau constituant la bande de roulement (211) du galet (21), s'il est différent du matériau constituant le corps du galet, sera choisi de façon à garantir une force de friction suffisante par rapport au guide (1) ainsi qu'une longévité conforme aux cahiers des charges des applications envisagées. La bande de roulement (211) du galet (21) pourra être lisse, ou sculptée de motifs permettant d'assurer une meilleure adhérence par rapport au chemin de roulage (11). La bande de roulement (211) pourra comporter des crantages de toutes formes, venant en correspondance avec un crantage du chemin de roulage (11) du guide (1). En outre, la section de la bande de roulement (211) sera d'une forme en correspondance avec celle du chemin de roulage (11), (Figure 13), avec pour fmalité d'optimiser le guidage du galet (21) par rapport au guide (1).The brake-roller (21), mounted on its axis (22), will be of generally cylindrical shape, of material allowing elastic deformation (elastomer, rubber or materials used in the production of tires, ...). The role of the brake-roller (21) is to ensure relative locking between the guide (1) and the mechanism (9). The material in which the roller (21) will be made may be more or less soft, so as to ensure, by elastic deformation, a slight rolling resistance force during the opening and closing maneuvers. The material constituting the tread (211) of the roller (21), if it is different from the material constituting the body of the roller, will be chosen so as to guarantee a sufficient frictional force with respect to the guide (1) as well as a longevity in accordance with the specifications of the envisaged applications. The tread (211) of the roller (21) may be smooth, or carved patterns to ensure better adhesion relative to the rolling path (11). The tread (211) may include notches of any shape, corresponding to a notching of the rolling path (11) of the guide (1). In addition, the section of the tread (211) will be of a shape in correspondence with that of the rolling path (11), ( Figure 13 ), with the ultimate aim of optimizing the guide of the roller (21) with respect to the guide (1).

Le galet (21) pourra être monté de telle sorte qu'il tourne librement autour de-son axe, ou au contraire de telle sorte que le galet et l'axe soient solidaires. L'arbitrage entre l'une ou l'autre solution s'effectuera en fonction de considérations économiques et/ou de longévité fonctionnelle de l'assemblage. Le blocage du mouvement axial de l'axe (22) par rapport au chariot (2), pourra être réalisé par tout moyen classique : rondelles et circlips ou goupilles de part et d'autre des ouvertures latérales du chariot, épaulements au niveau de l'axe, non représentés sur les illustrations jointes. Dans le cas où l'axe (22) est solidaire du galet (21), lui-même « prisonnier » du chariot (2), il ne sera pas nécessaire de prévoir un blocage axial. Dans ce cas, il pourra s'avérer utile de prévoir des épaulements (212)-(213) de part et d'autre du galet (21), afin de limiter les forces de friction entre ce dernier et les parois latérales du chariot (2). (Figure 3).The roller (21) may be mounted so that it rotates freely about its axis, or on the contrary so that the roller and the axis are integral. The arbitration between one or the other solution will be based on economic considerations and / or functional longevity of the assembly. The blocking of the axial movement of the shaft (22) relative to the carriage (2), can be achieved by any conventional means: washers and circlips or pins on either side of the lateral openings of the carriage, shoulders at the level of the axis, not shown in the accompanying illustrations. In the case where the axis (22) is integral with the roller (21), itself "prisoner" of the carriage (2), it will not be necessary to provide an axial locking. In this case, it may be useful to provide shoulders (212) - (213) on either side of the roller (21), in order to limit the frictional forces between the latter and the side walls of the carriage ( 2). ( Figure 3 ).

B/ Un élément de freinage (23) :B / A braking element (23) :

L'élément-frein (23) sera constitué sous la forme d'un patin solidaire du chariot (2), dont une surface (231) viendra en contact avec la bande de roulement (211) du galet (21), pour en assurer le blocage. (Figure 1). La surface (231) de l'élément-frein (23) présentera des caractéristiques d'adhérence par rapport à la bande de roulement (211) du galet (21), qui pourra être obtenue par une rugosité ou par un crantage de toute nature, voire une forme d'engrenage, venant en correspondance avec la bande de roulement du galet (21). L'élément-frein (23) pourra être réalisé dans des matériaux offrant des caractéristiques d'adhérence suffisantes par rapport au matériau utilisé pour la réalisation du galet (21). (Matériaux métalliques, plastiques, élastomères, ...). L'élément-frein (23) pourra être partie intégrante du corps du chariot (2) : ensemble monobloc obtenu par injection, découpe et pliage de parties métalliques, ou autres procédés connus dans l'état actuel de l'art.The brake element (23) will be constituted in the form of a shoe integral with the carriage (2), a surface (231) of which will come into contact with the tread (211) of the roller (21), to ensure the blocking. ( Figure 1 ). The surface (231) of the brake element (23) will exhibit adhesion characteristics with respect to the tread (211) of the roller (21), which may be obtained by a roughness or a notch of any kind or a form of gear, corresponding to the tread of the roller (21). The brake element (23) can be realized in materials having sufficient adhesion characteristics with respect to the material used for producing the roller (21). (Metallic materials, plastics, elastomers, ...). The brake element (23) may be an integral part of the body of the carriage (2): monobloc assembly obtained by injection, cutting and folding metal parts, or other methods known in the current state of the art.

C/ Des ouvertures latérales de guidage (25) et (26) : (Figure 2)C / Lateral guide openings (25) and (26) : (Figure 2)

Des ouvertures latérales de guidage (25) et (26), pratiquées dans le corps du chariot (2), sont destinées à maintenir et à guider l'axe (22) du galet (21), en particulier au cours des manoeuvres d'ouverture et de fermeture de la porte. Ces ouvertures de guidage seront dessinées de telle sorte qu'elles présentent des bossages et des encoches, afin de produire les effets décrits ci-après. (Figures 4). D'après l'invention, l'axe (22) se déplace dans les ouvertures latérales de guidage (25) et (26). A cet effet, des coulisseaux, (223) et (224), pourront éventuellement être montés sur l'axe (22), de façon à permettre un meilleur guidage et un accroissement de la longévité de l'ensemble. (Figure 8). Ces coulisseaux pourront être réalisés dans un matériau qui offre des caractéristiques de friction faible par rapport au matériau constitutif du corps du chariot (2). Les ouvertures de guidage (25) et (26) pourront être obtenues par tout procédé connu en l'état de l'art (Par exemple par découpe s'il s'agit d'une pièce métallique ou par injection dans le cas d'une pièce plastique). De même, l'état de surface des zones en contact avec l'axe (22) ou avec les coulisseaux (223)-(224), sera tel qu'il n'y ait pas d'usure prématurée. A ce titre, le contour des ouvertures latérales de guidage (25) et (26), pourra être revêtu d'un matériau favorisant le coulissement et garantissant la longévité de l'ensemble.Lateral guiding apertures (25) and (26), made in the body of the carriage (2), are intended to hold and guide the axis (22) of the roller (21), in particular during maneuvers of opening and closing the door. These guiding openings will be designed so that they have bosses and notches, to produce the effects described below. ( Figures 4 ). According to the invention, the axis (22) moves in the lateral guide openings (25) and (26). For this purpose, slides (223) and (224) may optionally be mounted on the axis (22), so as to allow better guidance and increased longevity of the assembly. ( Figure 8 ). These slides may be made of a material that offers low friction characteristics relative to the material constituting the body of the carriage (2). The guide apertures (25) and (26) may be obtained by any method known in the state of the art (for example by cutting if it is a metal part or by injection in the case of a plastic part). Likewise, the surface state of the zones in contact with the axis (22) or with the sliders (223) - (224) will be such that there is no premature wear. As such, the contour of the lateral guide openings (25) and (26) may be coated with a material promoting sliding and ensuring the longevity of the assembly.

Le déverrouillage est obtenu par déblocage du galet (21) vis à vis du guide (1) :Unlocking is obtained by unblocking the roller (21) opposite the guide (1):

Lorsqu'un effort est exercé entre le guide (1) et le chariot (2), (manoeuvre d'ouverture ou de fermeture de la porte), l'axe (22) tend à s'extraire de la position centrale bloquée, matérialisée par des encoches (250) et (260) schématisées en Figure 4, puis tend à coulisser à l'intérieur des ouvertures latérales de guidage (25) et (26), dans le sens opposé à l'effort (Figure21), jusqu'à franchir les bossages, respectivement (251)-(261) ou (252)-(262), selon le sens, de sorte que le galet-frein (21) parvienne à s'échapper de l'élément-frein (23), permettant ainsi sa libre rotation et par conséquent un mouvement relatif entre le chariot (2) et le guide (1). Les bossages, respectivement (251)-(252) et (261)-(262), que comportent les ouvertures latérales (25) et (26), sont destinés à offrir une légère résistance au déplacement de l'axe (22), lors des manoeuvres d'ouverture ou de fermeture, permettant, entre autre, de calibrer l'effort nécessaire au déverrouillage ainsi que de déterminer le débattement de la porte que l'on souhaite obtenir, entre les positions verrouillées et déverrouillées. (Figures 4 et 20). Les rampes respectivement (2511)-(2512), (2521)-(2522), (2611)-(2612) et (2621)-(2622) des bossages (251), (252), (261) et (262), peuvent être légèrement dissymétriques, de sorte à différencier les efforts de verrouillage et de déverrouillage. (Figure 4). Il est à noter que l'élasticité du matériau constitutif du galet (21) participe au calibrage de l'effort de déverrouillage, un léger « écrasement » de celui-ci contre le guide (1) étant nécessaire pour que l'axe (22) franchisse les bossages, respectivement (251)-(261), ou (252)-(262). Les ouvertures latérales de guidage (25) et (26), comporteront par ailleurs des encoches, respectivement (253)-(254) et (263)-(264), dans lesquelles vient se loger l'axe (22), durant les manoeuvres d'ouverture et de fermeture de la porte et s'opposant ainsi à l'effort engendré par l'élément élastique (24). L'effort exercé par l'élément élastique (24) sur l'axe (22), ainsi logé dans deux des encoches (253)-(263) ou (254)-(264), est aussi en partie contrebalancé par l'effort de résistance au roulement du galet (21) sur le guide (1). Lorsque cesse l'effort d'entraînement du chariot (2) par rapport au guide (1), l'ensemble élastique (24) tend à extraire l'axe (22) des encoches respectivement (253)-(263) ou (254)-(264), pour le ramener dans sa position initiale verrouillée, dans les encoches (250) et (260). Le galet (21) est alors à nouveau bloqué entre l'élément-frein (23) et le guide (1), assurant le blocage relatif entre le chariot (2) et le guide (1). Cette opération de re-verrouillage, à partir de la position où l'on a cessé d'exercer un effort pour ouvrir ou fermer la porte, s'accompagne d'un débattement relatif limité entre la porte et la carrosserie. Ce débattement est déterminé par les dimensions des ouvertures de guidage (25) et (26). On obtient ainsi facilement une immobilisation de la porte dans une position quelconque que l'on choisit en effectuant la manoeuvre. Le calage de la porte s'effectue automatiquement dès que l'on cesse d'exercer un effort d'ouverture ou de fermeture, sans qu'il soit nécessaire de rechercher une position de crantage prédéfinie.When a force is exerted between the guide (1) and the carriage (2), (opening or closing maneuver of the door), the axis (22) tends to get out of the locked central position, materialized by notches (250) and (260) schematized in Figure 4 , then tends to slide inside the lateral guide openings (25) and (26), in the opposite direction to the force ( Figure21 ), to cross the bosses, respectively (251) - (261) or (252) - (262), according to the direction, so that the brake-roller (21) manages to escape the element- brake (23), thus allowing its free rotation and consequently a relative movement between the carriage (2) and the guide (1). The bosses, respectively (251) - (252) and (261) - (262), which comprise the lateral openings (25) and (26), are intended to offer a slight resistance to the displacement of the axis (22), during the opening or closing maneuvers, allowing, among other things, to calibrate the force required for unlocking and to determine the travel of the door that one wishes to obtain, between locked and unlocked positions. ( Figures 4 and 20 ). The ramps respectively (2511) - (2512), (2521) - (2522), (2611) - (2612) and (2621) - (2622) bosses (251), (252), (261) and (262) ), can be slightly asymmetrical, so as to differentiate the locking and unlocking efforts. ( Figure 4 ). It should be noted that the elasticity of the constituent material of the roller (21) participates in the calibration of the unlocking force, a slight "crushing" thereof against the guide (1) being necessary for the axis (22) ) crosses the bosses, respectively (251) - (261), or (252) - (262). The lateral guide openings (25) and (26) will furthermore comprise notches, respectively (253) - (254) and (263) - (264), in which the axis (22) is housed, during the maneuvers opening and closing the door and thus opposing the force generated by the elastic member (24). The force exerted by the elastic element (24) on the axis (22), thus accommodated in two of the notches (253) - (263) or (254) - (264), is also partly counterbalanced by the rolling resistance force of the roller (21) on the guide (1). When the drive force of the carriage (2) stops with respect to the guide (1), the elastic assembly (24) tends to extract the axis (22) from the notches respectively (253) - (263) or (254) - (264), to bring it back to its locked initial position, in the notches (250) and (260). The roller (21) is then locked again between the brake element (23) and the guide (1), ensuring the relative locking between the carriage (2) and the guide (1). This re-locking operation, from the position where it has ceased to exert an effort to open or close the door, is accompanied by a limited relative movement between the door and the body. This displacement is determined by the dimensions of the guide openings (25) and (26). This makes it easy to immobilize the door in any position that one chooses by performing the maneuver. The door is locked automatically as soon as one stops exerting an effort of opening or closing, without it being necessary to search for a predefined detent position.

Variante : afin de renforcer la stabilité du galet (21) dans les positions « déverrouillées », il pourra être envisagé de placer des aimants permanents (ou tous matériaux magnétiques), (255), (256), (265), (266), au niveau des encoches respectives (253), (254), (263), (264) (Figure 5). Le mode de fixation des aimants n'est pas précisé ici, mais pourra être réalisé par tous les moyens connus en l'état actuel de l'art. (Sertissage, collage, vissage ou autre). Dans ce cas de figure, l'axe (22) du galet (21) sera nécessairement réalisé dans un matériau permettant de bénéficier de l'effet des aimants permanents : métaux ferreux, matériaux magnétiques. Une option supplémentaire pourra consister à ajouter des pièces (221) et (222), possédant les propriétés ci-avant, sur les extrémités de l'axe (22), tel qu'illustré sur la Figure 6, de telle sorte que les pièces, respectivement (221) et (222), viennent en regard des aimants permanents respectivement (255) et (265), ou (256) et (266).Variation: in order to enhance the stability of the roller (21) in the "unlocked" positions, permanent magnets (or all magnetic materials), (255), (256), (265), (266) may be considered at the respective notches (253), (254), (263), (264) ( Figure 5 ). The attachment mode of the magnets is not specified here, but can be achieved by all means known in the current state of the art. (Crimping, gluing, screwing or other). In this case, the axis (22) of the roller (21) will necessarily be made of a material to benefit from the effect of permanent magnets: ferrous metals, magnetic materials. An additional option may be to add parts (221) and (222), having the above properties, to the ends of the axis (22), as shown in FIG. Figure 6 , so that the parts, respectively (221) and (222), face permanent magnets respectively (255) and (265), or (256) and (266).

Une variante possible consistera à réaliser les pièces (221) et (222) en matériaux magnétiques et à prévoir des taquets (257), (258), (267) et (268), au niveau des encoches respectives (253), (254), (263) et (264). (Figure 7). Les taquets (257), (258), (267) et (268), pourront être constitués dans le même matériau que le corps du chariot (2), pour autant que ce dernier soit réalisé à partir d'un matériau permettant de profiter de l'effet d'aimantation. Les taquets (257), (258), (267) et (268), pourront être, par exemple, réalisés par simple découpe et pliage d'une partie des faces latérales du chariot (2).A possible variant will be to make the pieces (221) and (222) of magnetic materials and to provide cleats (257), (258), (267) and (268), at the respective notches (253), (254) ) (263) and (264). ( Figure 7 ). The cleats (257), (258), (267) and (268) may be made of the same material as the body of the carriage (2), provided that the latter is made from a material allowing to take advantage of of the magnetization effect. The cleats (257), (258), (267) and (268) may be, for example, made by simply cutting and folding a portion of the side faces of the carriage (2).

D/ Un ensemble élastique (24) D / An elastic assembly (24)

  • Un ensemble élastique (24), solidaire du chariot (2), est destiné à maintenir ou à ramener l'axe (22) dans la position « repos », galet (21) bloqué contre l'élément-frein (23). Cet ensemble élastique (24) pourra être constitué de lames métalliques ou plastiques déformables, agissant directement sur l'axe (22), telles que schématisées sur les Figures 9 et 10. L'ensemble élastique (24) pourra également agir par l'intermédiaire des coulisseaux de guidage (223) et (224) (Figure 8). L'ensemble élastique (24) pourra alors être constitué, à titre d'exemples non limitatifs, par un ou plusieurs ressorts hélicoïdaux, ou à lame, par un matériau élastique tel un bloc élastomère.An elastic assembly (24), integral with the carriage (2), is intended to maintain or return the axis (22) in the "rest" position, roller (21) blocked against the brake element (23). This elastic assembly (24) may consist of deformable metal or plastic blades, acting directly on the axis (22), as shown schematically on the Figures 9 and 10 . The elastic assembly (24) may also act via the guiding slides (223) and (224) ( Figure 8 ). The elastic assembly (24) may then be constituted, by way of non-limiting examples, by one or more helical springs, or blade, by an elastic material such as an elastomeric block.
GALET (3)GALET (3)

La fonction du galet (3) sera de contrebalancer l'effort subi par le guide (1) de la part du chariot (2), garantissant ainsi le maintien du guide (1) lors de son déplacement relatif au travers du mécanisme (9). (Figure 1). Le galet (3) sera libre en rotation autour d'un axe (31). L'axe (31) sera monté sur le support (32), lui-même solidaire du chariot (2), ou pourra être directement solidaire d'un élément de la porte (ou de la carrosserie). Le blocage axial de l'axe (31) par rapport au support (32) pourra être réalisé par tout moyen classique : circlip, goupille, épaulement au niveau de l'axe, non représenté sur les illustrations jointes.The function of the roller (3) will be to counterbalance the effort sustained by the guide (1) from the carriage (2), thus ensuring the maintenance of the guide (1) during its relative movement through the mechanism (9) . ( Figure 1 ). The roller (3) will be free to rotate about an axis (31). The axis (31) will be mounted on the support (32), itself secured to the carriage (2), or may be directly integral with a door element (or body). The axial locking of the axis (31) relative to the support (32) can be achieved by any conventional means: circlip, pin, shoulder at the axis, not shown in the accompanying illustrations.

Claims (7)

  1. Door check mechanism providing an infinite number of stable retaining positions between fully opened and closed, this said mechanism comprising on the one hand a guiding arm (1) linked to a steady part, as for example a vehicle body, or linked to a moving part, as for example a passenger door, and on the other hand a mechanism (9), linked to the opposite part, respectively the passenger door or the vehicle body, in such a way that the guiding arm (1) penetrates through the mechanism (9) with a relative displacement between those two parts, the wedge function being provided by a relative blocking of guiding arm (1) through mechanism (9), the system being characterized by :
    on the one hand, the guiding arm (1) provides a rolling and relative blocking path (11) between the said guiding arm and mechanism (9), whereas the surface of rolling path (11) will provide appropriate roughness to ensure the adherence of roller (21), the said roller being intended to ensure a wedging function, the surface of rolling path may therefore enclose any type of notches that will match the shape of rolling surface (211) of roller (21), the said roller being made of a more or less soft material, in order to provide a good adherence with guiding arm (1);
    on the other hand, mechanism (9) includes a carriage device (2), which comprises a braking roller (21), mounted on an axle (22) which can slide along lateral guiding slots (25) and (26), which are provided on the sides of carriage device (2), whereas a braking element (23) made of a brake shoe linked to carriage device (2), will block roller (21) by a contact between one of its faces and the rolling surface of roller (21) and whereas a spring device (24), acting directly or indirectly on axle (22), is intended to hold and bring back roller (21) to the locked position, while the load exerted on the guiding arm (1) by roller (21) is counterbalanced by a roller (3), mounted to the opposite of roller (21), which leads to hold the guiding arm (1) during its relative displacement through mechanism (9), the said mechanism ensuring the three functions hereafter :
    a) blocking of the rotation of roller (21) against guiding arm (1), in any un-predefined position,
    b) release of the rotation of roller (21) whenever an opening or closing force greater than a predefined release threshold is exerted on the door, this release taking place within a limited clearance between mechanism (9) and guiding arm (1),
    c) automatic re-locking, in any un-predefined position of the door, when the opening or closing force disappears;
    the lateral guiding slots (25) and (26), comprising bosses and notches, intended to resist to the displacement of axle (22), and intended to provide stable positions, during respectively locked phase and opening or closing maneuvers, the said bosses and notches being designed in such a way that when a load appears between guiding arm (1) and carriage device (2), during door opening or closing maneuvers, axle (22) tends to slide along lateral guiding slots (25) and (26), in a direction opposite to the direction of the load, and after a limited clearance, the axle passes the bosses and reaches the notches, which releases roller (21) from the braking element (23), allowing its free rotation and therefore a relative displacement between carriage device (2) and guiding arm (1); whereas spring device (24), exerts a compression load on axle (22), tending to bring it back spontaneously to the central locked position, as soon as the opening or closing maneuver is interrupted, the clearance of the door during this re-locking phase being limited by the size of lateral guiding slots (25) and (26).
  2. Door check mechanism as described in claim 1, characterized by the fact that the bracket (32) of roller (3) is part of carriage device (2), to form a single part.
  3. Door check mechanism as described in claim 1, characterized by the fact that parts with magnetic properties are placed near the lateral guiding slots (25) and (26), or are placed on axle (22), in order to improve the stability of axle (22) when positioned in the notches during the opening or closing of the door.
  4. Door check mechanism as described in claim 1, characterized by the fact that the cross section of the peripheral surface of roller (21) may have various shapes, like U, V or double railroad type, in order to improve the guiding of the said roller (21) along the rolling path (11) of guiding arm (1), the said guiding arm being therefore shaped accordingly.
  5. Door check mechanism as described in claim 1, characterized by the fact that guiding arm (1) comprises two branches (13) and (14) or only one branch (13), in such a way that roller (21) encounters a portion of the rolling path (11) where they are not in contact, in order to prevent any retaining function within this said portion, whereas branches (13) and (14) may therefore be guided by sliding blocks (91) and (92).
  6. Door check mechanism as described in claim 1, characterized by the fact that guiding arm (1) is realized with a rigid plate linked to the vehicle body - or to the door, with which roller (21) will be in contact, and whereas the said roller will move along an approximate circular path globally centered on the axis of the door hinges, during the door maneuvers, in opening or closing.
  7. Door check mechanism as described in claim 1, characterized by the fact that guiding arm (1) is realized with a cylindrical part linked to the vehicle body - or to the door, with which roller (21) will be in contact, and whereas the said roller will move along an approximate circular path globally centered on the axis of the door hinges, during the door maneuvers, in opening or closing.
EP06794188A 2005-07-27 2006-07-17 Door stop with indeterminate retaining positions Not-in-force EP1920127B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR0508006A FR2889234B1 (en) 2005-07-27 2005-07-27 DOOR STOP WITH INDETERMINED HOLDING POSITIONS
PCT/FR2006/001741 WO2007012729A1 (en) 2005-07-27 2006-07-17 Door stop with indeterminate retaining positions

Publications (2)

Publication Number Publication Date
EP1920127A1 EP1920127A1 (en) 2008-05-14
EP1920127B1 true EP1920127B1 (en) 2008-12-03

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EP06794188A Not-in-force EP1920127B1 (en) 2005-07-27 2006-07-17 Door stop with indeterminate retaining positions

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US (1) US7832051B2 (en)
EP (1) EP1920127B1 (en)
AT (1) ATE416291T1 (en)
DE (1) DE602006004070D1 (en)
FR (1) FR2889234B1 (en)
WO (1) WO2007012729A1 (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2874051B1 (en) * 2004-08-05 2006-09-08 Andre Prieur DOOR STOP WITH INDETERMINED HOLDING POSITIONS
FR2981108B1 (en) 2011-10-11 2013-11-08 Andre Prieur DOOR STOP DEVICE
EP3066283A1 (en) 2013-11-08 2016-09-14 Tofas Turk Otomobil Fabrikasi Anonim Sirketi A sliding door mechanism
PT3152199T (en) * 2014-06-03 2018-11-26 Idorsia Pharmaceuticals Ltd Pyrazole compounds and their use as t-type calcium channel blockers
FR3046193A1 (en) * 2015-12-24 2017-06-30 Andre Roland Prieur MULTI-HOLD POSITION HOLD STOP DEVICE
FR3074829A1 (en) * 2017-12-13 2019-06-14 Andre Roland Prieur DEVICE FOR STOPPING DOOR WITH INFINITE HOLDING POSITIONS
GB2577068B (en) 2018-09-12 2020-09-09 Ford Global Tech Llc A motor vehicle having a door check mechanism

Family Cites Families (10)

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Publication number Priority date Publication date Assignee Title
US2980945A (en) * 1958-05-16 1961-04-25 Gen Motors Corp Door check and hold open
US5474344A (en) * 1994-03-30 1995-12-12 Bloxwich Korea Co., Ltd. Multi-stage door opening device
US6370733B2 (en) * 1998-08-07 2002-04-16 Ventra Group Inc. Door check device
US6901630B2 (en) * 1998-08-07 2005-06-07 Ventra Group, Inc. Door check device
US6467126B1 (en) * 2000-07-21 2002-10-22 Daimlerchrysler Corporation Door check mechanism providing an infinite number of stable positions
US6513193B1 (en) * 2000-07-21 2003-02-04 Daimlerchrysler Corporation Door check mechanism providing an infinite number of stable positions
US6370732B1 (en) * 2000-09-06 2002-04-16 Daimlerchrysler Corporation Door check mechanism providing an infinite number of stable positions
US20040241696A1 (en) * 2001-09-06 2004-12-02 Peinado Miguel A Genetic analysis of biological samples in arrayed expanded representations of their nucleic acids
JP2004316299A (en) * 2003-04-17 2004-11-11 Riken Kaki Kogyo Kk Door checker for automobile
FR2874051B1 (en) 2004-08-05 2006-09-08 Andre Prieur DOOR STOP WITH INDETERMINED HOLDING POSITIONS

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US7832051B2 (en) 2010-11-16
WO2007012729A1 (en) 2007-02-01
EP1920127A1 (en) 2008-05-14
DE602006004070D1 (en) 2009-01-15
FR2889234B1 (en) 2007-11-23
ATE416291T1 (en) 2008-12-15
FR2889234A1 (en) 2007-02-02
US20080169659A1 (en) 2008-07-17

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