EP0129248B1 - Boucle pour ceinture de sécurité - Google Patents

Boucle pour ceinture de sécurité Download PDF

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Publication number
EP0129248B1
EP0129248B1 EP84107035A EP84107035A EP0129248B1 EP 0129248 B1 EP0129248 B1 EP 0129248B1 EP 84107035 A EP84107035 A EP 84107035A EP 84107035 A EP84107035 A EP 84107035A EP 0129248 B1 EP0129248 B1 EP 0129248B1
Authority
EP
European Patent Office
Prior art keywords
buckle
tongue
spring elements
housing means
buckle according
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.)
Expired
Application number
EP84107035A
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German (de)
English (en)
Other versions
EP0129248B2 (fr
EP0129248A3 (en
EP0129248A2 (fr
Inventor
Holger Harenberg
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Autoflug GmbH
Original Assignee
Autoflug GmbH
Priority date (The priority date 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 date listed.)
Filing date
Publication date
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Application filed by Autoflug GmbH filed Critical Autoflug GmbH
Publication of EP0129248A2 publication Critical patent/EP0129248A2/fr
Publication of EP0129248A3 publication Critical patent/EP0129248A3/de
Application granted granted Critical
Publication of EP0129248B1 publication Critical patent/EP0129248B1/fr
Publication of EP0129248B2 publication Critical patent/EP0129248B2/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • A—HUMAN NECESSITIES
    • A44—HABERDASHERY; JEWELLERY
    • A44B—BUTTONS, PINS, BUCKLES, SLIDE FASTENERS, OR THE LIKE
    • A44B11/00—Buckles; Similar fasteners for interconnecting straps or the like, e.g. for safety belts
    • A44B11/25—Buckles; Similar fasteners for interconnecting straps or the like, e.g. for safety belts with two or more separable parts
    • A44B11/2503—Safety buckles
    • A44B11/2507—Safety buckles actuated by a push-button
    • A44B11/2511—Safety buckles actuated by a push-button acting perpendicularly to the main plane of the buckle, e.g. placed on the front face of the buckle
    • 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
    • Y10T24/00—Buckles, buttons, clasps, etc.
    • Y10T24/45—Separable-fastener or required component thereof [e.g., projection and cavity to complete interlock]
    • Y10T24/45225—Separable-fastener or required component thereof [e.g., projection and cavity to complete interlock] including member having distinct formations and mating member selectively interlocking therewith
    • Y10T24/45602—Receiving member includes either movable connection between interlocking components or variable configuration cavity
    • Y10T24/45623—Receiving member includes either movable connection between interlocking components or variable configuration cavity and operator therefor
    • 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
    • Y10T24/00—Buckles, buttons, clasps, etc.
    • Y10T24/45—Separable-fastener or required component thereof [e.g., projection and cavity to complete interlock]
    • Y10T24/45225—Separable-fastener or required component thereof [e.g., projection and cavity to complete interlock] including member having distinct formations and mating member selectively interlocking therewith
    • Y10T24/45602—Receiving member includes either movable connection between interlocking components or variable configuration cavity
    • Y10T24/45623—Receiving member includes either movable connection between interlocking components or variable configuration cavity and operator therefor
    • Y10T24/45628—Receiving member includes either movable connection between interlocking components or variable configuration cavity and operator therefor for plural, oppositely shifting, similar interlocking components or segments
    • Y10T24/45634—Operator includes camming or wedging element
    • 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
    • Y10T24/00—Buckles, buttons, clasps, etc.
    • Y10T24/45—Separable-fastener or required component thereof [e.g., projection and cavity to complete interlock]
    • Y10T24/45225—Separable-fastener or required component thereof [e.g., projection and cavity to complete interlock] including member having distinct formations and mating member selectively interlocking therewith
    • Y10T24/45602—Receiving member includes either movable connection between interlocking components or variable configuration cavity
    • Y10T24/45623—Receiving member includes either movable connection between interlocking components or variable configuration cavity and operator therefor
    • Y10T24/45639—Receiving member includes either movable connection between interlocking components or variable configuration cavity and operator therefor including pivotally connected element on receiving member
    • Y10T24/45644—Receiving member includes either movable connection between interlocking components or variable configuration cavity and operator therefor including pivotally connected element on receiving member for shifting pivotally connected interlocking component
    • 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
    • Y10T24/00—Buckles, buttons, clasps, etc.
    • Y10T24/45—Separable-fastener or required component thereof [e.g., projection and cavity to complete interlock]
    • Y10T24/45225—Separable-fastener or required component thereof [e.g., projection and cavity to complete interlock] including member having distinct formations and mating member selectively interlocking therewith
    • Y10T24/45602—Receiving member includes either movable connection between interlocking components or variable configuration cavity
    • Y10T24/45623—Receiving member includes either movable connection between interlocking components or variable configuration cavity and operator therefor
    • Y10T24/45639—Receiving member includes either movable connection between interlocking components or variable configuration cavity and operator therefor including pivotally connected element on receiving member
    • Y10T24/45654—Receiving member includes either movable connection between interlocking components or variable configuration cavity and operator therefor including pivotally connected element on receiving member for shifting slidably connected and guided, nonself-biasing interlocking component

Definitions

  • the invention relates to a lock for seat belts in the center of passenger transport, with a lock housing and a lock tongue which can be inserted into an opening and locked by at least one locking member in the housing and is acted upon by a spring-loaded ejector.
  • Belt buckles of this type are known for example from DE-AS-2 160 089, US-PS-3 807 000 and DE-GM-7 438 663 and 7 525 646. All these buckles have in common that rattling noises occur when driving over bumps and due to vibrations in the drive area of the motor vehicle, aircraft or the like, which are caused by the fact that the metallic lock tongue in the lock housing can make small movements. Attempts have already been made to dampen these noises by partially sheathing the lock tongue with plastic and / or by producing certain plastic housing parts (DE-OS-3 128 139), but there is also a margin between the lock housing for constructional and technical reasons and inserted tongue, so that the movements mentioned are not excluded and there is always rattling. This affects the driving comfort.
  • the invention has for its object to provide a lock for seat belts in passenger transportation, especially motor vehicles, in which such rattling noises can no longer arise.
  • the measures in this regard should be able to be implemented with little effort.
  • the invention has the advantage that not only the rattling noises mentioned are excluded, but there is also an additional guidance and fixation of the lock tongue in the housing when inserted, in the locked state and when the lock is opened.
  • the lock tongue is guided and fixed in the housing during the locking and unlocking process by spring elements inserted or incorporated into the lock housing, whereby these can be designed differently in that they have one or more force components transverse to the direction of insertion or ejection of the lock tongue.
  • forces can be applied by means of the individual embodiments described in the subclaims, which act essentially perpendicular to the narrow lateral surfaces of the lock tongue, but moreover the spring elements can also be arranged such that the lock tongue also has a force component acting against the direction of insertion of the lock tongue is applied.
  • the spring elements have sections which protrude into the insertion path of the lock tongue, in such a way that the lock tongue slides over these sections when inserted, in such a way that they are essentially perpendicular to theirs Main surfaces directed force component is applied. This is preferably achieved in that the sections are equipped with corresponding surfaces rising in the direction of insertion of the lock tongue.
  • the spring elements can also be designed according to the invention in such a way that different force components running transversely to the direction of insertion or ejection of the lock tongue are applied.
  • the spring elements of the lock can be manufactured as injection-molded parts made of plastic either in one piece or easily assembled by means of clip connections. Since seat belts for motor vehicles have to be mass-produced in large quantities, any contribution to reducing the manufacturing outlay and simplifying assembly is of considerable importance.
  • the conventionally constructed belt buckle shown in FIG. 1 has a so-called two-plate housing 10 with a web 11 running between the two plates for a plate-shaped lock tongue 12. This has an opening 13 into which an orthogonal to the lock housing plates 10 and Lock tongue 12 arranged locking member 14 can snap to close the buckle.
  • a finger button 15 is used, on which fork-shaped projections 16 are formed, which enclose the locking member 14.
  • a compression spring 17 loads the locking member 14 from above, so that it constantly strives in the locking position.
  • a sliding key (not shown) can also be provided.
  • the path 11 for the lock tongue 12 is on the one hand open to the outside and there forms a funnel-like insertion opening 18 for the lock tongue; on the opposite side, the web 11 is closed by a plate-shaped connecting member 19 for an anchoring part 20.
  • a rivet 21 is used to connect the lock housing 10 to the connecting member 19.
  • An ejector 22 is mounted for longitudinal movement in the central region of the track 11 and is supported on two side ejector springs 23 which close the ejector 22 in the direction of the insertion opening 18 for the lock tongue 12 push strive. When the lock tongue 12 is inserted, it and the ejector 22 are in contact with one another.
  • the lock housing 10 formed from two plates, which absorbs the western belt forces and introduces it into the vehicle via the anchoring part 20, is externally covered by appropriately and attractively shaped plastic caps, namely by an upper cap 24 and a lower cap 25. These can be complementary designs the insertion opening 18 and the possibility of access to the finger key 15 freely.
  • the caps are centered on one another preferably by means of pins and corresponding holes, of which a hole 26 is shown in FIG. 3.
  • connecting screws not shown, are provided.
  • the inner surfaces of the cover caps 24, 25 are profiled to perform various functions, for example the lower cap 25 has upstanding ribs 27 for positioning and holding the housing 10; Furthermore, a ramp 28 is arranged for the lock tongue 12, which is inserted in the direction of arrow 29 (Fig. 3).
  • Figures 2 and 3 show measures to prevent noise in the form of spring elements 30, 31 which are arranged on both sides of the insertion opening 18 for the lock tongue 12.
  • spring elements compensate for the aforementioned play between the relevant components of the castle by touching, guiding and centering the tongue 12 from the sides during their movements in the path 11.
  • the spring elements apply a differentiated preload to the lock tongue against the direction of insertion.
  • the effect of the ejector 22 is less supported than it is made clear when plugging in when the engagement takes place. This largely eliminates the need to listen after hearing is unsafe, for example when the engine is started.
  • the spring elements 30, 31 can also compensate for tilting of the lock tongue 12.
  • the spring elements 30, 31 are designed to cooperate with a lock tongue 12, which has a stepped layout, i. H.
  • the lock tongue 12 here has a front part 32 intended for entry into the web 11 with parallel side edges 33, to which a wider base part 35 adjoins via edges 34 which run obliquely outwards, the latter having the usual slot for looping through the actual seat belt webbing (not shown) contains.
  • the spring elements 30, 31 act on both the lock tongue front part 32 with edges 33 and the base part 35 with oblique edges 34. This results in frictional connections in different directions. Even lock tongues without inclined edges 34 can be influenced by the position of the spring elements so that no rattling noises occur.
  • the spring elements 30, 31 are made of resilient, flexible plastic and roughly have the design of an S-shaped band, the material thickness of which varies. At the ends of the S-shape, extensions can be provided, which in particular perform fastening and support functions. Due to the two opposing arches of the S shape, multiple spring effects can be achieved.
  • This spring element 30 is a spring element that is independent of manufacture in the manner of a clip, which is used in the assembly of the lock in the lower cap 25, which has a corresponding profiling for this purpose, namely a retaining rib 36, a support rib 37 and the Correspondingly wide ramp 28.
  • the spring element 30 effectively fits into the space formed by these parts of the lower cap 25.
  • it is composed of the inner S-arch 38 and the outer S-arch 39, an undercut holding attachment 40 for enclosing the holding rib 36 adjoining the inner arch 38, while the outer arch 39 has a supporting extension 41 which opposes one another the support rib 37 sets.
  • the curvature of the inner arch 38 also bears against the supporting rib 37.
  • the part of the outer arch 39 which is directed inwards towards the ramp 28 has an inner surface 48 as a reference surface, and the part which is directed outwards is reinforced and has on the outside a groove 42 which is conical in cross section and into which the associated inclined edge 34 of the Base part 35 of the inserted lock tongue 12 sets, whereby centering and fixing the position of the lock tongue in the direction transverse to its main plane. This eliminates the possibility of vibratory movements in this direction, so that no related noises can be caused.
  • FIG. 2 consists of two different halves visible on both sides of the dash-dotted longitudinal center line of the castle, designated A and B. These halves differ both by slightly different designs of the S-shapes of the spring elements 31 and, in particular, by different contours of the respective lock tongues 12. While the lock tongue according to half A of the figure following the oblique edge 34 via a larger rounding directly into the base part 35 merges, a step 44 follows the inclined edge 34 according to half B before the full width of the base part 35 is reached.
  • the lock shown in Figure 2 is one with a U-shaped lock housing 10, i. H. the lower lock plate is bent upwards in a U-shape on its longitudinal edges, so that upstanding legs 46 result, between which the upper lock plate, not shown in FIG. 2, is mounted like a cover.
  • the front part 32 of the lock tongue 12 is not only guided in the path 11 above and below, but also on the side edges 33 by means of the legs 46.
  • the spring elements 31 are provided, which can move resiliently in the corresponding recesses 47 of the lower cap 25 in the longitudinal direction of the lock.
  • the boundaries of the recesses 47 towards the insertion opening 16 are indicated by dashed lines in FIG. It also follows that the spring elements 31 are compressed in the locked state of the lock shown in its longitudinal axis direction, to the extent that the inner S-arm 38 touches the associated surface of the retaining rib 36 and is supported thereon. As a result, the characteristic of the spring element 31 in question changes in such a way that the person can feel it clearly when the lock tongue 12 is inserted. There are numerous design options in the area of the two S-bends 38, 39 in order to achieve this effect. The characteristic of the spring elements should reach a maximum pressure force when inserted, if the arch 38 is supported, and then only require a reduced pressure force until the moment the locking member 14 snaps into the opening 13, which can feel the snapping.
  • the spring elements shown in FIG. 4 correspond as such to the spring elements 30 according to FIG. 3, but here they are firmly connected to one another by a connecting web 49. It is therefore a one-piece plastic injection molded part, which is inserted into the lower cap 25 during assembly of the lock and thus simplifies production.
  • FIG. 5 shows a further exemplary embodiment of a lock according to the invention, in which the spring elements 50 have a different shape than the exemplary embodiments described above and in particular also require a different introduction and transfer of force to the lock tongue.
  • Each spring element 50 has an arcuate upper part 50a and an adjoining web 54 which extends essentially along the lock.
  • the spring elements 50 each protrude with lateral sections 51 into the path 11 of the lock tongue 12.
  • the sections 51 are arranged in pocket-shaped recesses 56 in the lower cap 25 of the lock housing 10.
  • the sections 51 have a slope that rises in the direction of insertion of the lock tongue 12 in order to press the lock tongue upwards when it is inserted and thus to be able to fix it.
  • the free end of the upper part 50a of the spring elements 50 is also provided with an incline as an insert 52.
  • the ramp-shaped lugs 52 cooperate with wedge-shaped lugs 53 on the front lower edge of the push button 15.
  • the spring elements 50 continue in webs 54, which are arranged essentially parallel to one another in the longitudinal direction of the lock, via a section 50b bent toward the lateral outer surfaces of the lock.
  • the webs 54 can be referred to as resilient guideways, since on the one hand they introduce the clamping forces to be described in more detail into the lock housing 10, but on the other hand their extensions serve as guide sections 55 for lateral limitation and guiding of the ejector 22. It is important that the guide portions 55 are resilient, so that the ejector 22 he can be performed freely.
  • the spring action is low in the largest area of the ejector stroke and is only increased in the area of the latching point of the lock tongue. This enables a particularly easy and inexpensive handling of the lock as a whole.
  • the positioning of the front end 50a of the spring elements 50 can also be used.
  • the lock tongue 12 If the lock tongue 12 is inserted into the lock housing 10 via the insertion funnel 18, it first runs with its front end 32 onto the sections 51 of the spring elements 50 and is guided upwards. As a result, the lock tongue is guided for the first time. As soon as the lock tongue 12 is pushed so far that the locking member 14 engages in the recess 13 of the lock tongue 12, the push button 15 is also pivoted into its front end position, the wedge-shaped projections 53 of the push button 15 pressing onto the ramp-shaped projections 52 of the spring elements 50 and cause a movement of the arcuate portion 50a of the spring elements 50 in the direction of the lock tongue 12. The lateral pressure surfaces 57 of the spring elements 50 are pressed against the lock tongue 12 and clamp them firmly.

Landscapes

  • Buckles (AREA)
  • Automotive Seat Belt Assembly (AREA)

Claims (30)

1. Boucle de fermeture pour ceintures de sécurité dans des moyens de transport de personnes, avec un boîtier de boucle (10) et avec une languette de boucle (12) qui peut être enclenchée dans une ouverture (18) du boîtier, qui est bloquée dans le boîtier (10) par au moins un dispositif de verrouillage (14), et qui est sollicitée par un éjecteur (22) chargé par ressort, caractérisée en ce qu'en plus du dispositif de verrouillage (14), au moins un élément élastique (30, 31, 50) est disposé dans le boîtier de boucle (10) dans la zone de l'ouverture d'enclenchement (18) pour la languette de boucle (12), élément qui, par au moins une face de référence (48), fait latéralement saillie dans la voie (11) qui doit être traversée par la languette de boucle (12) lors de son enclenchement de telle sorte que la languette de boucle (12) est sollicitée perpendiculairement à son sens d'enclenchement ou selon le cas d'éjection.
2. Boucle selon la revendication 1, caractérisée en ce qu'un élément élastique (30, 31, 50) respectif est disposé dans le boîtier de boucle (10) sur chacun des deux côtés étroits de l'ouverture d'enclenchement (18) pour la languette de boucle (12).
3. Boucle selon la revendication 1 ou 2, caractérisée en ce que les éléments élastiques (30, 31, 50) sont disposés symétriquement à l'axe médian longitudinal du boîtier de boucle (10) et/ou de la voie (11) pour la languette de boucle (12), et présentent des configurations symétriques correspondantes.
4. Boucle selon l'une des revendications 1 à 3, caractérisée en ce que les éléments élastiques (30, 31, 50) sont disposés dans le boîtier de boucle (10) de telle sorte par rapport à l'endroit où l'élément de verrouillage (14) s'enclenche dans la languette de boucle (12) que la languette de boucle (12) entre en contact avec les éléments élastiques (30, 31, 50) peu avant l'atteinte de cet endroit, et que lorsque cet endroit est atteint, elle a serré les éléments élastiques et se trouve ainsi elle-même sous précontrainte.
5. Boucle selon l'une des revendications 1 à 4, caractérisée en ce que les éléments élastiques (30, 31, 50) sont configurés et/ou disposés dans le boîtier de boucle (10) de telle sorte qu'ils sollicitent la languette de boucle (12) par une composante de forces orientées essentiellement perpendiculairement à elle et à ses faces latèrales étroites.
6. Boucle selon l'une des revendications 1 à 5, caractérisée en ce que les éléments élastiques (30, 31, 50) sont configurés et/ou disposés dans le boîtier de boucle (10) de telle sorte qu'ils sollicitent la languette de boucle (12) également par une composante de force agissant à l'encontre du sens d'enclenchement de la languette de boucle (12).
7. Boucle selon l'une des revendications 1 à 6, caractérisée en ce que le ou les éléments élastiques (30, 31) est ou sont configurés approximativement en forme de 5, le tracé en S se situant dans le plan de la languette de boucle (12) ou encore parallèlement à cette dernière, et le coude supérieur du S sollicitant la languette de boucle (12) sur son côté correspondant par une composante de force respective, à l'encontre du sens d'enclenchement et perpendiculairement à ce dernier.
8. Boucle selon la revendication 7, caractérisée en ce que le coude de la forme de S de l'élément élastique (30, 31) qui entre en contact avec la languette de boucle (12) est rectifié et muni d'une rainure (42) ouverte vers l'extérieur pour recevoir le bord de la languette de boucle.
9. Boucle selon la revendication 8, caractérisée en ce que la rainure (42) de l'élément élastique (30, 31) possède une section trapézoidale s'élargissant vers l'extérieur.
10. Boucle selon l'une des revendications 7 à 9, caractérisée en ce que l'élément élastique en forme de S (30, 31) est configuré en bande de section rectangulaire plate, l'espace libre de l'ouverture d'enclenchement (18) pratiquée dans le boîtier de boucle (10) étant fermé vers le côté par l'élément élastique (30, 31).
11. Boucle selon la revendication 10, caractérisée en ce que l'extrémité de la forme de S de l'élément élastique (30, 31) qui est extérieure par rapport à l'ouverture d'enclenchement (18) se poursuit par un prolongement (41) du genre patte recourbé vers l'intérieur du boîtier.
12. Boucle selon la revendication 11, caractérisée en ce que le prolongement du genre patte (41) est formé à un angle tel sur l'élément élastique (30, 31) que la fermeture de l'ouverture d'enclenchement (18) pour la languette de boucle (12) sur les côtes correspondants est réalisée par l'élément élastique (30, 31) avec précontrainte.
13. Boucle selon l'une des revendications 7 à 12, caractérisée en ce que l'élément élastique (30, 31) en forme de S est muni à son extrémité tournée vers l'intérieur de la boucle d'un prolongement (48) qui sert de face d'appui pour d'autres pièces du boîtier de boucle (10).
14. Boucle selon la revendication 13, caractérisée en ce que le prolongement (48) entoure une nervure de retenue (36) du boîtier de boucle et fixe la position de l'élément élastique (30, 31) dans le boîtier de boucle.
15. Boucle selon l'une des revendications 1 à 14, caractérisée en ce que le ou les éléments élastiques (30, 31) est ou sont munis, en un point entrant en contact avec la languette de boucle (12), d'une configuration recouvrant la languette de boucle (12) et la fixant en position sensiblement perpendiculairement au plan de la languette.
16. Boucle selon l'une des revendications 1 à 15, caractérisée en ce que les éléments élastiques (30, 31, 50) sont configurés et/ou disposés dans le boîtier de boucle (10) de telle sorte qu'ils sollicitent la languette de boucle (12) par une composante de force orientée sensiblement perpendiculairement à ses faces principales.
17. Boucle selon la revendication 16, caractérisée en ce que les éléments élastiques (50) présentent des talons (51) faisant saillie dans la voie d'enfilage (11) de la languette de boucle (12), talons qui sont munis de faces ascendantes en direction de l'extérieur de la boucle.
18. Boucle selon l'une des revendications 1 à 17, caractérisée en ce que les éléments élastiques (30, 31, 50) présentent des épaulements (52) en forme de rampes qui, à l'état verrouillé de la boucle, sont assemblés par complémentarité de forme avec des épaulements correspondants (53) du bouton-poussoir (15), les épaulements (53) du bouton-poussoir (15) sollicitant les épaulements (52) en forme de rampes des éléments élastiques (50) en direction de la languette de boucle (12), et fixant ainsi cette dernière.
19. Boucle selon la revendication 18, caractérisée en ce que les éléments élastiques (50) présentent des nervures (54) pour vaincre les forces de serrage dans le boîtier de boucle (10).
20. Boucle selon la revendication 19, caractérisée en ce que les nervures (54) s'étendent sensiblement dans le sens longitudinal de la boucle dans le boîtier de boucle (10), et présentent simultanément des talons (55) pour le guidage latéral de l'éjecteur (22).
21. Boucle selon l'une des revendications 1 à 20, caractérisée en ce que la forme des éléments élastiques (30, 31, 50), en ce qui concerne la courbure, la longueur, l'accumulation de matière et/ou la distance avec les pièces voisines du boîtier avec lesquels ils entrent en contact lors de leur compression, est choisie de telle sorte que lors de l'enfilage de la languette de boucle (12), les forces élastiques se modifient au cours du déplacement de cette dernière jusqu'au moment de l'enclenchement, et notamment diminuent suffisamment avant l'enclenchement pour que l'enclenchement puisse être nettement détecté par la personne qui met la ceinture de sécurité.
22. Boucle selon l'une des revendications 1 à 21, caractérisée en ce que l'association des éléments élastiques (30, 31, 50) aux pièces qui les sollicitent est telle que les forces de serrage des éléments élastiques (30, 31, 50) sont immédiatement supprimées lors du processus de déverrouillage de la languette de boucle (12).
23. Boucle selon l'une des revendications 1 à 22, caractérisée en ce que les éléments élastiques (30, 31, 50) sont réalisés sous la forme de pièces moulées en matière plastique.
24. Boucle selon la revendication 23, caractérisée en ce que les éléments élastiques (30, 31, 50) réalisés sous la forme de pièces moulées en matière plastique sont des pièces indépendantes installées dans le boîtier de boucle (12).
25. Boucle selon la revendication 23, caractérisée en ce que les éléments élastiques (30, 31, 50) réalisés sous la forme de pièces moulées en matière plastique sont formés solidairement sur des composants du boîtier de boucle (10), en particulier sur un capot de recouvrement de ce dernier.
26. Boucle selon la revendication 23 ou 24, caractérisée en ce que les éléments élastiques (30, 31, 50) sont munis par paires d'une nervure de liaison (49), sont insérés dans le boîtier de boucle (10) et fixés en position par la configuration de ce dernier.
27. Boucle selon l'une des revendications 1 à 26, caractérisée en ce que les éléments élastiques (30, 31, 50) sont configurés en clips, et la partie (25) du boîtier de boucle (10) qui est destinée à recevoir l'élément élastique (30,31,50) est évidée en conséquence.
28. Boucle selon l'une des revendications 1 à 27, caractérisée en ce que des évidements (47) en forme de poches, destinés à recevoir les éléments élastiques (30, 31, 50), sont prévus dans le boîtier de boucle (10) ou encore dans des pièces de ce dernier, en particulier dans le capot de recouvrement inférieur (25).
29. Boucle selon l'une des revendications 1 à 28, caractérisée en ce que les éléments élastiques (30, 31, 50) sont disposés des deux côtés de l'ouverture d'enclenchement (18) pour la languette de boucle (12) en une position telle que la largeur libre entre les faces intérieures des éléments élastiques (30, 31, 50) qui délimitent la voie (11) pour la languette de boucle (12), d'une part est inférieure à la largeur libre de la voie (11), mais d'autre part n'est pas inférieure à la largeur de la partie (32) de la languette de boucle qui pénètre dans la voie (11).
30. Boucle selon l'une des revendications 1 à 28, caractérisée en ce que la largeur libre entre les faces des éléments élastiques (30, 31, 50) qui soit tournées vers l'intérieur est inférieure à la largeur de la partie (32) de la languette de boucle qui pénètre dans la voie (11).
EP84107035A 1983-06-21 1984-06-19 Boucle pour ceinture de sécurité Expired - Lifetime EP0129248B2 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3322164 1983-06-21
DE3322164 1983-06-21

Publications (4)

Publication Number Publication Date
EP0129248A2 EP0129248A2 (fr) 1984-12-27
EP0129248A3 EP0129248A3 (en) 1986-08-27
EP0129248B1 true EP0129248B1 (fr) 1988-08-10
EP0129248B2 EP0129248B2 (fr) 1993-07-28

Family

ID=6201891

Family Applications (1)

Application Number Title Priority Date Filing Date
EP84107035A Expired - Lifetime EP0129248B2 (fr) 1983-06-21 1984-06-19 Boucle pour ceinture de sécurité

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Country Link
US (1) US4577378A (fr)
EP (1) EP0129248B2 (fr)
JP (1) JPS6014809A (fr)
DE (1) DE3422692C3 (fr)

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JPH0636729Y2 (ja) * 1988-09-21 1994-09-28 日本精工株式会社 シートベルト用バックル
US4945617A (en) * 1989-03-20 1990-08-07 General Motors Corporation Seat belt buckle
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JP2530975Y2 (ja) * 1991-02-01 1997-04-02 日本精工株式会社 シートベルト用バックル
US5267377A (en) * 1992-09-01 1993-12-07 Trw Vehicle Safety Systems Inc. Buckle assembly
GB2296284A (en) * 1994-12-23 1996-06-26 Europ Component Co Ltd Seat belt buckle
JP3859401B2 (ja) * 1999-08-26 2006-12-20 タカタ株式会社 バックルおよびこれを備えたシートベルト装置
DE102008030048A1 (de) * 2008-06-25 2009-12-31 Trw Automotive Gmbh Verbindungselement
TWI522053B (zh) * 2013-09-18 2016-02-21 Yoke Ind Corp Seat belt locking device
TWI527720B (zh) * 2013-10-02 2016-04-01 Yoke Ind Corp Seat belt locking device
US9433259B2 (en) * 2013-10-24 2016-09-06 Bell Sports, Inc. Self-actuating webbing adjuster and helmet strap system including same
DE102013020618B4 (de) * 2013-12-02 2022-12-29 Zf Automotive Germany Gmbh Gurtschloss
CN108839634B (zh) * 2018-05-28 2024-02-20 浙江松原汽车安全系统股份有限公司 一种安全带锁扣
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Also Published As

Publication number Publication date
DE3422692A1 (de) 1985-02-07
DE3422692C2 (fr) 1994-07-28
EP0129248B2 (fr) 1993-07-28
EP0129248A3 (en) 1986-08-27
EP0129248A2 (fr) 1984-12-27
JPS6014809A (ja) 1985-01-25
JPH0547201B2 (fr) 1993-07-16
US4577378A (en) 1986-03-25
DE3422692C3 (de) 1994-07-28

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