EP0377082B1 - Door check for motor vehicle doors - Google Patents
Door check for motor vehicle doors Download PDFInfo
- Publication number
- EP0377082B1 EP0377082B1 EP89117555A EP89117555A EP0377082B1 EP 0377082 B1 EP0377082 B1 EP 0377082B1 EP 89117555 A EP89117555 A EP 89117555A EP 89117555 A EP89117555 A EP 89117555A EP 0377082 B1 EP0377082 B1 EP 0377082B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- door
- braking members
- retaining bar
- side walls
- recesses
- 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 - Lifetime
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Classifications
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05C—BOLTS OR FASTENING DEVICES FOR WINGS, SPECIALLY FOR DOORS OR WINDOWS
- E05C17/00—Devices for holding wings open; Devices for limiting opening of wings or for holding wings open by a movable member extending between frame and wing; Braking devices, stops or buffers, combined therewith
- E05C17/02—Devices for holding wings open; Devices for limiting opening of wings or for holding wings open by a movable member extending between frame and wing; Braking devices, stops or buffers, combined therewith by mechanical means
- E05C17/04—Devices for holding wings open; Devices for limiting opening of wings or for holding wings open by a movable member extending between frame and wing; Braking devices, stops or buffers, combined therewith by mechanical means with a movable bar or equivalent member extending between frame and wing
- E05C17/12—Devices for holding wings open; Devices for limiting opening of wings or for holding wings open by a movable member extending between frame and wing; Braking devices, stops or buffers, combined therewith by mechanical means with a movable bar or equivalent member extending between frame and wing consisting of a single rod
- E05C17/20—Devices for holding wings open; Devices for limiting opening of wings or for holding wings open by a movable member extending between frame and wing; Braking devices, stops or buffers, combined therewith by mechanical means with a movable bar or equivalent member extending between frame and wing consisting of a single rod sliding through a guide
- E05C17/203—Devices for holding wings open; Devices for limiting opening of wings or for holding wings open by a movable member extending between frame and wing; Braking devices, stops or buffers, combined therewith by mechanical means with a movable bar or equivalent member extending between frame and wing consisting of a single rod sliding through a guide concealed, e.g. for vehicles
- E05C17/206—Devices for holding wings open; Devices for limiting opening of wings or for holding wings open by a movable member extending between frame and wing; Braking devices, stops or buffers, combined therewith by mechanical means with a movable bar or equivalent member extending between frame and wing consisting of a single rod sliding through a guide concealed, e.g. for vehicles with elastomeric springs to hold wing open
Definitions
- the invention relates to a door arrester for motor vehicle doors, consisting of a pivotally attached door support rod with at least one double-sided thickening and a two cylindrical roller rolling elements rolling on the two broad sides of the door support rod, which are penetrated by the door support rod and attached to the door, in which the brake roller bodies are mounted so as to be movable against a spring load essentially transversely to the plane of movement of the door holding rod, the brake roller bodies being accommodated in cage-like holders in recesses aligned parallel to the plane of movement of the door holder rod such that they extend over the recesses of the recesses in the region of their overlap with the door holder rod push through in the holders and only at their end regions lying outside in relation to the door holding rod over the major part of their circumference in the recesses the cage-like holders are rotatably mounted and the cage-like holders are supported by spring-elastic means against the wall surfaces inclined to the plane of movement of the door holding rod or the cover surfaces of the holder housing.
- Such door locks for motor vehicle doors are known from DE-PS 27 02 731 and the associated DE-PS 29 44 766.
- the brake rolling elements are formed by cylindrical rollers with end faces oriented essentially perpendicular to their axes and are furthermore the sections of the recesses in the holders forming the bearing of the brake rolling elements are open towards the two end faces of the holder and are designed such that they encompass the brake rolling elements to the majority of their circumference in order to enable automatic pre-assembly of the brake rolling elements in the holders.
- the invention is therefore based on the object of further improving a door arrester of the type described at the outset in such a way that, despite automatic pre-assembly of the brake roller bodies designed as cylinder bodies, chafing of the brake roller bodies on the side walls of the holder housing is excluded, as is deposition of abrasion and dirt in the bearings the brake roller inside the holder.
- This arrangement also ensures, in conjunction with an automatic pre-assembly of the brake roller bodies, the possibility of designing the bearings of the brake roller bodies in the holders in such a way that deposition of abrasion or dirt and the like is completely ruled out in the area of the bearing surfaces of the brake roller bodies and the door stop therefore overall has a higher fatigue strength.
- the restraining means are formed by projections or noses which protrude inwards with respect to the recesses receiving the brake roller bodies and are arranged radially to the recess sections in the holders supporting the brake roller bodies.
- the too the recesses which receive the brake roller bodies and which protrude radially inwards or Lugs are expediently arranged on the outside in relation to the bearings of the brake rolling elements.
- the arrangement and design of the projections or lugs with the advantage of a certain transverse elasticity of the holder as a whole is expediently made such that the radially inwardly projecting projections or lugs with the wall parts of the holder that overlap the end faces of the brake rolling elements each have a frustoconical partial annular space lock in.
- the recess sections forming the bearing for the brake rolling elements in the holders are extended to the side thereof directed towards the door holding rod and that the projections or noses projecting radially inwards and arranged in connection with the bearing surfaces for the brake rolling elements a radially to this directed distance to the intended operating position of the axes of rotation of the brake rolling elements are arranged on the holder.
- the door arrester shown in the exemplary embodiment essentially consists of a door support rod 1 which is attached to a door pillar (also not shown) and which is provided with a double-sided bulge 2 via a pivot bearing (not shown in detail) about an axis parallel to the hinge axis of the door.
- the door holding rod 1 passes through a holder housing which is fixed to the front wall of a vehicle door (not shown in detail) and is generally designated by 3 and consists of a pot-shaped housing body 4 and a cover 5 which closes the open side thereof.
- the cover 5 is fastened to the housing body 4 by means of folded flaps 8 and is provided with a slot recess 9 which, in conjunction with a slot recess 10 in the holder housing base 11 of the door holding rod, enables passage through the holder housing.
- brake roller bodies formed by cylindrical rollers 12 made of hardened steel are arranged in the holder housing 3 and are rotatably supported in cage-shaped holders 13.
- the holders 13 are designed as sliding blocks and are slidably supported on the side walls of the holder housing 4 in such a way that they can perform a sliding movement directed at an angle to the plane of movement of the door holding rod 1, which causes the brake rolling elements 12 to be adjusted essentially perpendicular to the door holding rod.
- the front ends 14 of the rollers forming the brake rolling elements 12 are spherical and of one piece with the body formed side walls 15 of the holder 13 overlapped.
- the side walls 15 of the holders 13 have on their inner surface 16 a bulge directed outwards towards the side walls 4 of the holder housing, the radius of curvature of which is greater than the radius of curvature of the spherical ends 14 of the brake roller bodies 12.
- the brake roller bodies 12 are rotatably supported in the holders 13 via bearings 17, the bearings having only a maximum of half the circumference of the brake roller bodies encompassing bearing surfaces 18 and basically recesses in the holders 13 which are approximately V-shaped and open towards the door holding rod 1.
- projections or noses 19 projecting radially inwards on the holders 13 on both sides and with respect to the bearings 17 are formed on the outside.
- the projections or lugs 19 are arranged in such a way that they allow the brake roller bodies 12 to move parallel to the intended operating position of the axes of rotation of the brake roller bodies and perpendicular to the bearing surfaces.
- the projections or lugs 19 are essentially wedge-shaped, such that they each form an essentially frustoconical partial annular space 20 with the inner surfaces of the side walls 15 of the holders.
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Braking Arrangements (AREA)
- Power-Operated Mechanisms For Wings (AREA)
Description
Die Erfindung bezieht sich auf einen Türfeststeller für Kraftwagentüren, bestehend aus einer schwenkbar an der Türsäule angeschlagenen Türhaltestange mit wenigstens einer doppelseitigen Verdickung und einem zwei auf den beiden Breitseiten der Türhaltestange abrollende zylindrische Bremswälzkörper aufnehmenden, von der Türhaltstange durchsetzten und an der Tür angeschlagenen Haltergehäuse, in welchen die Bremswälzkörper gegen eine Federlast im wesentlichen quer zur Bewegungsebene der Türhaltestange beweglich gelagert sind, wobei die Bremswälzkörper in parallel zur Bewegungsebene der Türhaltestange ausgerichteten Ausnehmungen von käfigartigen Haltern derart aufgenommen sind, daß sie im Bereich ihrer Überdeckung mit der Türhaltestange zu diesen berührungsfrei Erweiterungen der Ausnehmungen in den Haltern durchsetzen und lediglich an ihren in Bezug auf die Türhaltstange außenliegenden Endbereichen über den überwiegenden Teil ihres Umfanges hin in den Ausnehmungen der käfigartigen Halter drehbar gelagert sind und wobei die käfigartigen Halter über federelastische Mittel gegen die schräg zur Bewegungsebene der Türhaltestange geneigten Wandungsflächen bzw. die Deckelflächen des Haltergehäuses abgestützt sind.The invention relates to a door arrester for motor vehicle doors, consisting of a pivotally attached door support rod with at least one double-sided thickening and a two cylindrical roller rolling elements rolling on the two broad sides of the door support rod, which are penetrated by the door support rod and attached to the door, in which the brake roller bodies are mounted so as to be movable against a spring load essentially transversely to the plane of movement of the door holding rod, the brake roller bodies being accommodated in cage-like holders in recesses aligned parallel to the plane of movement of the door holder rod such that they extend over the recesses of the recesses in the region of their overlap with the door holder rod push through in the holders and only at their end regions lying outside in relation to the door holding rod over the major part of their circumference in the recesses the cage-like holders are rotatably mounted and the cage-like holders are supported by spring-elastic means against the wall surfaces inclined to the plane of movement of the door holding rod or the cover surfaces of the holder housing.
Solche Türfeststeller für Kraftwagentüren sind bekannt, aus der DE-PS 27 02 731 und der zugehörigen DE-PS 29 44 766. Bei diesen bekannten Bauarten von Türfeststellern sind die Bremswälzkörper durch zylindrische Walzen mit im wesentlichen senkrecht zu ihren Achsen gerichteten Stirnflächen gebildet und sind ferner die die Lagerung der Bremswälzkörper bildenden Anschnitte der Ausnehmungen in den Haltern zu den beiden Stirnseiten des Halters hin offen und so ausgebildet, daß sie die Bremswälzkörper zum überwiegenden Teil ihres Umfanges hin umgreifen, um eine automatische Vormontage der Bremswälzkörper in den Haltern zu ermöglichen. Daraus resultiert zunächst, daß die innerhalb des Halters ohne jewede Führung in axialer Richtung gelagerten Bremswälzkörper, bedingt durch die aus den Einbauverhältnisse des Türfeststellers in der serienmäßigen Kraftfahrzeugkarosserie und den daraus resultierenden gelegentlichen, wenn auch geringen Verkantungen zwischen der Türhaltestange und den Drehachsen der Bremswälzkörper, im Laufe des Betriebes des Türfeststellers in axialer Richtung wandern und dann an den Seitenwänden des Haltergehäuses scheuern, wodurch ein Abrieb, insbesondere an dem aus ungehärteten Material bestehenden Gehäusewandungen entsteht, der sich notwendigerweise in den diese zum überwiegenden Teil ihres Umfanges hin umgreifenden Lagerungen der Bremswälzkörper absetzt und die Lagerflächen zerstört. Gleichzeitig erzeugt das Scheuern der Bremswälzkörper an den Haltergehäuseseitenwandungen naturgemäß auch Geräuschbildungen, die höchst unerwünscht sind.Such door locks for motor vehicle doors are known from DE-PS 27 02 731 and the associated DE-PS 29 44 766. In these known types of door locks, the brake rolling elements are formed by cylindrical rollers with end faces oriented essentially perpendicular to their axes and are furthermore the sections of the recesses in the holders forming the bearing of the brake rolling elements are open towards the two end faces of the holder and are designed such that they encompass the brake rolling elements to the majority of their circumference in order to enable automatic pre-assembly of the brake rolling elements in the holders. First of all, that within the holder without any guidance in the axial direction of the brake roller, due to the installation conditions of the door lock in the standard vehicle body and the resulting occasional, albeit slight tilting between the door support rod and the axes of rotation of the brake roller, during the operation of the Walk the door arrester in the axial direction and then scrub on the side walls of the holder housing, which causes abrasion, especially on the housing walls made of unhardened material, which necessarily settles in the bearings of the brake rolling elements encompassing the majority of their circumference and destroys the bearing surfaces. At the same time, the abrasion of the brake rolling elements on the holder housing side walls naturally also produces noises which are highly undesirable.
Der Erfindung liegt daher die Aufgabe zugrunde einen Türfeststeller der eingangs bezeichneten Bauart derart weiter zu verbessern, daß trotz automatischer Vormontage der als Zylinderkörper ausgebildeten Bremswälzkörper in den Haltern ein Scheuern der Bremswälzkörper an den Haltergehäuseseitenwandungen ebenso ausgeschlossen ist wie eine Ablagerung von Abrieb und Schmutz in den Lagerungen der Bremswälzkörper innerhalb der Halter.The invention is therefore based on the object of further improving a door arrester of the type described at the outset in such a way that, despite automatic pre-assembly of the brake roller bodies designed as cylinder bodies, chafing of the brake roller bodies on the side walls of the holder housing is excluded, as is deposition of abrasion and dirt in the bearings the brake roller inside the holder.
Diese Aufgabe wird erfindungsgemäß im wesentlichen dadurch gelöst, daß in Verbindung mit einer balligen Ausbildung der Stirnenden der Bremswälzkörper die die Bremswälzkörper aufnehmenden Ausnehmungen in den Haltern von parallel zu den Seitenwänden des Haltergehäuses ausgerichteten Seitenwänden der Halter übergriffen sind, wobei die den Stirnenden der Bremswälzkörper zugewandten Innenflächen der Seitenwände der Halter eine nach außen zu den Seitenwänden des Haltergehäuses hin gerichtete Auswölbung aufweisen, deren Krümmungsradius größer ist als der Krümmungsradius der ballig ausgebildeten Stirnenden der Bremswälzkörper und wobei an den Haltern in Verbindung mit dem Umfang der Bremswälzkörper nur bis zu dessen Hälfte hin umgreifenden Lagerflächen rückhaltend wirkende Mittel zur Halterung der Bremswälzkörper im Bereich ihrer vorbestimmten Position vorgesehen sind. Dadurch kann nicht nur ein unmittelbares ein Scheuern der Stirnenden der Bremswälzkörper an den Seitenwänden des Haltergehäuses, sondern auch ein Durchscheuern der Wandungsteile des Halters zuverlässig ausgeschlossen werden. Es ist daher durchaus möglich und im Interesse einer Herstellungsvereinfachung zweckmäßig, daß die Halter an die beiden die Lagerung der Bremswälzkörper aufweisenden Abschnitte ihrer Breite anschließend über ihre gesamte Höhe hin durchgende Seitenwände aufweisen.This object is achieved essentially in that, in conjunction with a spherical design of the end faces of the brake roller bodies, the recesses receiving the brake roller bodies in the holders are overlapped by side walls of the holder which are oriented parallel to the side walls of the holder housing, the inner surfaces facing the end faces of the brake roller bodies the side walls of the holder have an outward bulge directed toward the side walls of the holder housing, the radius of curvature of which is greater than the radius of curvature of the spherical front ends of the brake roller bodies and wherein on the holders in In connection with the circumference of the brake roller bodies, means for retaining the brake roller bodies in the region of their predetermined position are provided which act to hold up only half of their bearing surfaces. As a result, not only can a direct abrasion of the ends of the brake roller bodies on the side walls of the holder housing, but also a wear-through of the wall parts of the holder be reliably excluded. It is therefore entirely possible, and in the interest of simplifying production, that the holders on the two sections of the width of the bearing comprising the brake rolling elements then have side walls that extend through their entire height.
Gemäß einem wesentlichen Merkmal der Erfindung ist vorgesehen, daß an den Haltern in Verbindung mit den Umfang der Bremswälzkörper nur maximal bis zu dessen Hälfte umgreifenden Lagerflächen rückhaltend wirkende Mittel zur Halterung der Bremswälzkörper in ihrer vorbestimmten Position vorgesehen sind. Dabei haben die radial gerichteten Vorsprünge oder Nasen, die als eine Art Klipsnasen ausgebildet sein können lediglich die Aufgabe die Bremswälzkörper bis zu deren endgültiger Montage im Haltergehäuse in den Haltern gegen ein Herausfallen zu sichern. Diese Anordnung gewährleistet auch in Verbindung mit einer automatischen Vormontage der Bremswälzkörper die Möglichkeit, die Lagerungen der Bremswälzkörper in den Haltern so zu gestalten, daß eine Ablagerung von Abrieb oder Schmutz und dergl. im Bereich der Lagerflächen der Bremswälzkörper völlig ausgeschlossen ist und der Türfeststeller daher insgesamt eine höhere Dauerstandfestigkeit aufweist.According to an essential feature of the invention it is provided that on the holders in connection with the circumference of the brake roller bodies, only a maximum of up to half of the bearing surfaces encompassing retaining means for holding the brake roller bodies in their predetermined position are provided. The radially directed projections or lugs, which can be designed as a type of clip lugs, merely have the task of securing the brake roller bodies against falling out until they are finally installed in the holder housing in the holders. This arrangement also ensures, in conjunction with an automatic pre-assembly of the brake roller bodies, the possibility of designing the bearings of the brake roller bodies in the holders in such a way that deposition of abrasion or dirt and the like is completely ruled out in the area of the bearing surfaces of the brake roller bodies and the door stop therefore overall has a higher fatigue strength.
In weiterer Ausgestaltung dieses Merkmals der Erfindung ist weiterhin vorgesehen, daß die rückhaltend wirkenden Mittel durch in Bezug auf die die Bremswälzkörper aufnehmenden Ausnehmungen nach innen vorspringende und radial zu den die Bremswälzkörper lagernden Ausnehmungsabschnitten in den Haltern angeordnete Vorsprünge oder Nasen gebildet sind. Die zu den die Bremswälzkörper aufnehmenden Ausnehmungen radial nach innen vorspringend angeordneten Vorsprünge oder Nasen sind dabei zweckmäßigerweise in Bezug auf die Lagerungen der Bremswälzkörper jeweils außenliegend angeordnet. Ferner ist die Anordnung und Ausbildung der Vorsprünge oder Nasen mit dem Vorteil einer gewissen Querelastizität der Halter insgesamt zweckmäßig so getroffen, daß die radial nach innen vorspringenden Vorsprünge oder Nasen mit den die Stirnseiten der Bremswälzkörper übergreifenden Wandungsteilen der Halter jeweils einen im Querschnitt kegelstumpfförmigen Teil-Ringraum einschließen.In a further embodiment of this feature of the invention it is further provided that the restraining means are formed by projections or noses which protrude inwards with respect to the recesses receiving the brake roller bodies and are arranged radially to the recess sections in the holders supporting the brake roller bodies. The too the recesses which receive the brake roller bodies and which protrude radially inwards or Lugs are expediently arranged on the outside in relation to the bearings of the brake rolling elements. Furthermore, the arrangement and design of the projections or lugs with the advantage of a certain transverse elasticity of the holder as a whole is expediently made such that the radially inwardly projecting projections or lugs with the wall parts of the holder that overlap the end faces of the brake rolling elements each have a frustoconical partial annular space lock in.
Schließlich ist in weiterer Ausgestaltung der Erfindung noch vorgesehen, daß die die Lagerung für die Bremswälzkörper bildenden Ausnehmungsabschnitte in den Haltern zu deren der Türhaltestange hin gerichteter Seite erweitert sind und die im Anschluß an die Lagerflächen für die Bremswälzkörper angeordneten radial nach innen vorspringenden Vorsprünge oder Nasen mit einem radial zu dieser gerichteten Abstand zur bestimmungsgemäßen Betriebslage der Drehachsen der Bremswälzkörper am Halter angeordnet sind. Da die radial nach innen gerichteten Vorsprünge oder Nasen lediglich die Aufgabe haben, die Bremswälzkörper in ihrer vormontierten Lage in den Haltern zu halten, die Betriebslage der Bremswälzkörper sich aber beim Einbau der Halter in das Halterheäuse automatisch ergibt kann auf diese Weise eine größtmögliche Freiheit der Bremswälzkörper hinsichtlich der Einstellung ihrer Rotationsachse auf die Lage der Bewegungsebene der Türhaltestange als auch hinsichtlich einer Selbstreinigung der Lagerflächen erreicht werden.Finally, it is provided in a further embodiment of the invention that the recess sections forming the bearing for the brake rolling elements in the holders are extended to the side thereof directed towards the door holding rod and that the projections or noses projecting radially inwards and arranged in connection with the bearing surfaces for the brake rolling elements a radially to this directed distance to the intended operating position of the axes of rotation of the brake rolling elements are arranged on the holder. Since the radially inward projections or lugs only have the task of holding the brake rolling elements in their pre-assembled position in the holders, but the operating position of the brake rolling elements results automatically when the holder is installed in the holder housing, in this way the greatest possible freedom of the brake rolling elements with regard to the setting of their axis of rotation to the position of the plane of movement of the door holding rod and also with regard to self-cleaning of the bearing surfaces.
Die Erfindung ist in der nachforglenden Beispielsbeschreibung anhand eines in der Zeichnung dargestellten Ausführungsbeispieles im Einzelnen beschrieben. In der Zeichnung zeigt die
- Figur 1
- einen Teillängsschnit durch einen erfindungsgermäßen Türfeststeller;
Figur 2- eine Stirnansicht eines erfindungsgemäß gestalteten Halters samt vormontiertem Bremswälzkörper für einen Türfeststeller gemäß Figur 1;
Figur 3- einen Schnitt durch einen mit einem vormontierten Bremswälzkörper versehenen Halter gemäß
Figur 2; - Figur 4
- einen Längsschnitt durch einen Halter gemäß
Figur 2 und 3.
- Figure 1
- a partial longitudinal section through a door arrester according to the invention;
- Figure 2
- an end view of a holder designed according to the invention together with preassembled brake roller for a door stay according to Figure 1;
- Figure 3
- a section through a provided with a preassembled brake roller holder according to Figure 2;
- Figure 4
- 3 shows a longitudinal section through a holder according to FIGS. 2 and 3.
Der im Ausführungsbeispiel gezeigte Türfeststeller besteht im wesentlichen aus einer über ein im Einzelnen nicht gezeigtes Schwenklager um eine zur Scharnierachse der Tür parallele Achse schwenkbar an einer gleichfalls nicht dargestellten Türsäule angeschlagenen Türhaltestange 1, welche mit einer doppelseitigen Ausbauchung 2 versehen ist. Die Türhaltestange 1 durchsetzt ein feststehend an der Stirnwand einer im Einzelnen nicht gezeigten Fahrzeugtür befestigtes, im allgemeinen mit 3 bezeichnetes Haltergehäuse, welches aus einem topfförmigen Gehäusekörper 4 und einem dessen offene Seite verschließenden Deckel 5 besteht. Der Deckel 5 ist am Gehäusekörper 4 mittels umgeschlagener Lappen 8 befestigt und mit einer Schlitzausnehmung 9 versehen, welche in Verbindung mit einer Schlitzausnehmung 10 im Haltergehäuseboden 11 der Türhaltestange den Durchtritt durch das Haltergehäuse ermöglicht. Beiderseits der Türhaltsstange 1 sind im Haltergehäuse 3 durch zylindrische Walzen 12 aus gehärtetem Stahl gebildete Bremswälzkörper angeordnet und drehbar in käfigförmigen Haltern 13 gelagert. Die Halter 13 sind als Gleitbacken ausgebildet und verschiebbar an den Seitenwandungen des Haltergehäuses 4 abgestützt, derart, daß sie eine im Winkel zur Bewegungsebene der Türhaltestange 1 gerichtete Schiebebewegungs aushführen können, welche bewirkt, daß die Bremswälzkörper 12 im wesentlichen senkrecht zur Türhaltestange verstellt werden. Die Stirnenden 14 der die Bremswälzkörper 12 bildenden Walzen sind ballig ausgebildet und von einteilig mit deren Körper ausgebildeten Seitenwänden 15 der Halter 13 übergriffen. Die Seitenwände 15 der Halter 13 weisen dabei an ihrer innenliegenden Oberfläche 16 eine nach außen zu den Seitenwandungen 4 des Haltergehäuses hin gerichtete Auswölbung auf, deren Krümmungsradius größer ist als der Krümmungsradius der ballig ausgebildeten Stirnenden 14 der Bremswälzkörper 12. Außerhalb ihres Überdeckungbereiches mit der Türhaltestange 1 sind die Bremswälzkörper 12 in den Haltern 13 über Lagerungen 17 drehbar abgestützt, wobei die Lagerungen lediglich maximal den halben Umfang der Bremswälzkörper umgreifende Lagerflächen 18 aufweisen und im Grunde etwa V-förmiger, zur Türhaltestange 1 hin offener Ausnehmungen in den Haltern 13 angeordnet sind. Um dieser Ausbildung der Lagerungen 17 eine Sicherung der Bremswälzkörper 12 gegen ein Herausfallen nach deren automatischer Vormontage in den Haltern 13 zu gewährleisten sind an den Haltern 13 beidseitig und in Bezug auf die Lagerungen 17 jeweils außenliegend radial nach innen vorspringende Vorsprünge oder Nasen 19 ausgebildet. Die Vorsprünge oder Nasen 19 sind dabei so angeordnet, daß sie eine parallel zur bestimmungsgemäßen Betriebslage der Rotationsachsen der Bremswälzkörper und senkrecht zu den Lagerflächen gerichtete Beweglichkeit der Bremswälzkörper 12 zulassen. In axialer Richtung sind die Vorsprünge oder Nasen 19 im wesentlichen keilförmig ausgebildet, derart, daß sie mit den Innen-Oberflächen der Seitenwände 15 der Halter jeweils einen im wesentlichen kegelstumpfförmigen Teil-Ringraum 20 bilden.The door arrester shown in the exemplary embodiment essentially consists of a door support rod 1 which is attached to a door pillar (also not shown) and which is provided with a double-
Claims (6)
- A door stay for motor vehicle doors, consisting of, pivotally mounted on the door column, a door retaining bar (1) having at least bilateral bulges (2) and, traversed by the door retaining bar (1) and mounted on the door, a supporting housing (3) accommodating two cylindrical brake rollers (12) rolling on the two broad sides of the door retaining bar (1), in which supporting housing (3) the braking members (12) are mounted for movement against a spring loading and substantially transversely to the plane of movement of the door retaining bar (1), the braking members (12) being 90 accommodated in, aligned parallel with the plane of movement of the door retaining bar (1), recesses in cage-like holders (13), that in the region of their overlap with the door retaining bar (1), they traverse without contact widened cut-outs in the supports (13), only their end portions which are external in relation to the door retaining bar (1), being over the predominant part of their periphery mounted to pivot in the cut-outs in the cage-like holders (13), these latter being supported through springingly elastic means against the wall surfaces or cover surfaces of the supporting housing (3) which are inclined obliquely to the plane of movement of the door retaining bar (1), characterised in that in conjunction with a convex construction of the ends (14) of the braking members (12), the recesses which accommodate the braking members (12) are in the supports (13) engaged and held captive by side walls (15) of the holders (13) which are aligned parallel with the side walls of the supporting housing (3), the inner faces (16) of the side walls (14) of the holders (13) which are towards the end faces (14) of the braking members (12) having an external bulging directed outwardly towards the side walls (4) of the supporting housing (3) and of which the radius of curvature is greater than the radius of curvature of the convexly constructed ends (14) of the braking members (12), and in that means (19) which exercise a restraining action are provided on the supports (13) in conjunction with bearing surfaces (18) only about half of the circumference of which engages around the braking members (12).
- A door stay according to Claim 1, characterised in that the supports (13) have on the two portions of their width which form the mounting (17) for the braking members (12) continuous side walls (15) which extend over their entire height.
- A door stay according to Claim 1, characterised in that the restrainingly acting means are constituted by projections or noses (19) which project inwardly in relation to the recesses which accommodate the braking members (12) and which are disposed radially in relation to the portions (17) of the recesses in the supports (13) which mount the braking members (12).
- A door stay according to Claim 1, characterised in that in relation to the mountings (17) for the braking members (12), the projections or noses (17) which project radially inwardly in respect of the recesses which accommodate the braking members (12) are in each case disposed on the outside.
- A door stay according to Claim 1 to 4, characterised in that the radially inwardly protruding projections or noses (19) respectively enclose a cross-sectionally frustoconical partial annular space (20) with the side walls (15) of the supports (13) which engage over the ends (14) of the braking members (12).
- A door stay according to Claim 1 to 5, characterised in that the portions of recesses in the supports (13) which form the mounting (17) for the braking members (12) are widened out on their side which is towards the door retaining bar (1) while the projections or noses (19) which protrude radially inwardly adjacent the bearing surfaces (17) for the braking members (12) are disposed, in relation to the said means (19) at a distance needed for the axes of rotation of the braking members (12) on the retaining members (13) to be functionally correct in their position.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE3844438 | 1988-12-31 | ||
| DE3844438A DE3844438A1 (en) | 1988-12-31 | 1988-12-31 | DOOR FASTENER FOR MOTOR VEHICLE DOORS |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| EP0377082A2 EP0377082A2 (en) | 1990-07-11 |
| EP0377082A3 EP0377082A3 (en) | 1991-01-30 |
| EP0377082B1 true EP0377082B1 (en) | 1993-04-07 |
Family
ID=6370604
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP89117555A Expired - Lifetime EP0377082B1 (en) | 1988-12-31 | 1989-09-22 | Door check for motor vehicle doors |
Country Status (4)
| Country | Link |
|---|---|
| EP (1) | EP0377082B1 (en) |
| BR (1) | BR8906774A (en) |
| DE (2) | DE3844438A1 (en) |
| ES (1) | ES2039788T3 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3906041C2 (en) * | 1989-02-27 | 1999-06-02 | Scharwaechter Gmbh Co Kg | Door support bar for motor vehicle door locks |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2160584B (en) * | 1984-06-23 | 1987-04-15 | Bloxvich Lock Stamping | Door checks |
-
1988
- 1988-12-31 DE DE3844438A patent/DE3844438A1/en not_active Withdrawn
-
1989
- 1989-09-22 ES ES198989117555T patent/ES2039788T3/en not_active Expired - Lifetime
- 1989-09-22 EP EP89117555A patent/EP0377082B1/en not_active Expired - Lifetime
- 1989-09-22 DE DE8989117555T patent/DE58904020D1/en not_active Expired - Fee Related
- 1989-12-27 BR BR898906774A patent/BR8906774A/en not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| EP0377082A3 (en) | 1991-01-30 |
| EP0377082A2 (en) | 1990-07-11 |
| DE58904020D1 (en) | 1993-05-13 |
| BR8906774A (en) | 1990-09-18 |
| DE3844438A1 (en) | 1990-07-05 |
| ES2039788T3 (en) | 1993-10-01 |
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