EP0229908B1 - Link strap - Google Patents

Link strap Download PDF

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Publication number
EP0229908B1
EP0229908B1 EP86115535A EP86115535A EP0229908B1 EP 0229908 B1 EP0229908 B1 EP 0229908B1 EP 86115535 A EP86115535 A EP 86115535A EP 86115535 A EP86115535 A EP 86115535A EP 0229908 B1 EP0229908 B1 EP 0229908B1
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EP
European Patent Office
Prior art keywords
band
link
recess
bore
retaining
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
Application number
EP86115535A
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German (de)
French (fr)
Other versions
EP0229908A3 (en
EP0229908A2 (en
Inventor
Daniel Wild
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.)
Manufacture Jaeger le Coultre SA
Original Assignee
Manufacture Jaeger le Coultre SA
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Publication date
Application filed by Manufacture Jaeger le Coultre SA filed Critical Manufacture Jaeger le Coultre SA
Publication of EP0229908A2 publication Critical patent/EP0229908A2/en
Publication of EP0229908A3 publication Critical patent/EP0229908A3/en
Application granted granted Critical
Publication of EP0229908B1 publication Critical patent/EP0229908B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • A—HUMAN NECESSITIES
    • A44—HABERDASHERY; JEWELLERY
    • A44C—PERSONAL ADORNMENTS, e.g. JEWELLERY; COINS
    • A44C5/00—Bracelets; Wrist-watch straps; Fastenings for bracelets or wrist-watch straps
    • A44C5/02—Link constructions
    • A44C5/10—Link constructions not extensible

Definitions

  • the invention relates to a link bracelet, in particular a watch strap, with link rows made of band links lying next to one another in the cross-band direction, the adjoining band links of a link row forming gaps and projections, each offset by half their length in the longitudinal direction of the tape, and the projections of one link row into the Gaps in the adjacent row of links protrude with hinge pins which project through recesses extending in the transverse direction of the tape in the two ends of the tape links directed in the longitudinal direction of the tape and are secured against axial displacement.
  • the object of the invention is therefore to provide a link belt according to the preamble, which is secured against unintentional detachment of the link belt parts from one another.
  • At least one end of the hinge pins on its area projecting into the recess of the outer band member has at least one radially resilient latching arm with a radially projecting latching cam which can be latched into a corresponding latching recess in the wall of the recess and in the latching position can be blocked.
  • This design enables simple assembly, in that the band links are pushed onto the hinge pins until the latching cam of the latch arm can be latched into the latching recess of the outer band link. The subsequent blocking of the locking cam in this locking position prevents unintentional loosening.
  • Such a connection can either be arranged only on one outer band link of a row of links or else on both outer band links of a row of links.
  • a simple and easy and inexpensive to manufacture is that the end of the hinge pin is provided with a coaxial bore, is tubular and has one or more radial slots, wherein a locking pin of the same outer diameter as the inner diameter of the coaxial bore can be used in the coaxial bore.
  • the latching cam is a projection that runs radially around the cylindrical lateral surface of the end of the pin, it can also be produced in a simple manner.
  • the latching recess is preferably an annular groove in the wall of the recess.
  • the recess of the outer band member can be produced by a simple drilling process if it is a stepped bore, the large step of which is directed towards the free side of the band member and forms the latching recess.
  • the recess of the outer band member can be a stepped bore, in whose large step facing the adjacent band member a sleeve can be used, the bore wall of which has a radially circumferential annular groove.
  • Another inventive design of an object according to the preamble is that at least one end of the hinge pins has an outwardly opening axial recess into which a locking element can be inserted, which has radially resilient locking arms with a radially protruding locking cam, which in a corresponding locking recess in the wall of the recess can be locked and locked in the locked position.
  • This design also enables simple assembly, in that the band links are pushed onto the hinge pins until the latching cams of the latching elements arranged in the outer band link snap into the latching recesses of the hinge pins. The subsequent blocking of the locking cams prevents unintentional loosening.
  • the locking element is provided with a coaxial bore, is tubular and has one or more radial slots at its end projecting into the hinge pin, with a locking pin of the same outer diameter as the inner diameter of the coaxial bore into the Coaxial bore can be used.
  • the locking cam is a radially circumferential extension on the cylindrical outer surface of the end of the locking element which projects into the hinge pin, it can also be produced in a simple manner.
  • the latching recess is preferably an annular groove in the wall of the axial recess of the hinge pin.
  • the individual band links have a perfect guide and cannot tilt transversely to the longitudinal extent of the band link, but can only pivot about the hinge pins. This also prevents premature wear of the hinge pins.
  • annular shoulder is formed on the correspondingly designed hinge pin, on which the outer band link is securely guided, and between the inner band links for easy pivotability ensures required game.
  • the coaxial bore of the hinge pin can either be a blind bore or a continuous bore. If it is continuous, the locking pin and the hinge pin can have approximately the same length. So that the coaxial bore is neatly closed at its mouths.
  • a simple mounting of the locking pin in its installation position consists in that the locking pin can be inserted into the coaxial bore by means of an interference fit.
  • the coaxial bore of the hinge pin is a threaded bore into which the locking pin provided with a corresponding thread can be screwed. Both versions also allow easy disassembly.
  • the coaxial bore is a stepped bore
  • the large step formed in the region of the outer band member opens out and the small step is designed as a threaded hole.
  • the blocking pin can have a head at its end directed towards the edge region of the link belt, through which the preferably opening outward opening of the recess of the outer link can be closed, so that there is a closure that is both optically clean and prevents the ingress of dirt .
  • Another inventive design of an object according to the preamble is that at least one end of the hinge pins is provided with a coaxial bore tubular, and a radially protruding in its area protruding into the recess of the outer band member in a corresponding recess in the wall of the recess engaging locking cams can be plastically deformed, the locking cam being lockable in the position engaging in the locking recess. In the simplest way, both assembly and securing against unintentional loosening are achieved.
  • the hinge pins has an outward-opening axial recess into which a latching element formed with an axial bore can be latched, which in its area protruding into the recess of the hinge pin has a radially projecting into a corresponding latching recess in the wall of the recess of the hinge pin engaging latching cams is plastically deformable, the latching cam being lockable in the position engaging in the latching recess.
  • the hinge pin or the locking element can be plastically deformable by a blocking pin which can be inserted into the coaxial bore or the axial bore and which is at least partially larger than the inside diameter of the undeformed coaxial bore or axial bore.
  • the section shown in Figure 1 shows a side region of a link belt.
  • the adjoining band links of a row of links are each offset by half a length in the longitudinal direction of the band to form gaps and protrusions. The projections of one row of links protrude into the gaps of the other row of links.
  • the band members 1, 1 ', 2, 2', 3 and 3 ' have recesses 4 and 5 which extend in the transverse direction of the band and through which the hinge pins 6 project.
  • the hinge pins 6 have continuous coaxial bores 7 into which the locking pins 8 are inserted with an interference fit. As can be seen particularly well in FIGS. 2 and 3a to 3d, the hinge pins 6 are provided with radial slots 9 at their ends projecting into the outer band member 1 to 1 ', so that they can spring radially by a certain amount.
  • Figure 3c shows three evenly distributed radial slots 9, while Figure 3d has two continuous radial slots 9 arranged in a cross shape.
  • FIG. 3d corresponds to the configuration in FIG. 2.
  • This latching cam 11 can be latched into a latching recess 12, which is formed by an annular groove arranged in the wall of the recess 9.
  • the recess 4 of the outer band member 1 is a stepped bore, the large step of which is directed towards the adjacent band member 2 and into which a sleeve 13 e.g. is used under interference fit.
  • the sleeve 13 In its end region facing away from the band member 2, the sleeve 13 has a circumferential annular groove formed in its bore wall, which forms a latching recess 12 'into which the hinge pin 6 can latch with its latching cam 11.
  • the coaxial bore 7 of the hinge pin 6 is designed as a stepped bore.
  • the large step is formed in the area of the outer band link 1, while the small step located in the area of the inner band link 2 is provided with a thread 14.
  • the blocking pin 8 ' is designed as a threaded pin with a head 16 provided with a slot 15 and can be screwed into the thread 14.
  • the locking pin 8 or 8 'inserted or screwed in by press fitting can also be removed again, and thus the belt members can be removed without being destroyed.
  • the locking pin 8 is not continuous, so that it cannot be removed after being press-fitted into the coaxial bore 7.
  • the locking pin 8 has a head 16, with both the head 16 and the head 16 'closes the outward opening of the recess 4.
  • the hinge pin 6 ' projects through only the recesses 5 of the band links 2 and 3.
  • a circumferential annular groove is formed in its coaxial bore 7, which forms a latching recess 12 ".
  • a latching cam 11 can be snapped in, which is formed at one end of a latching element 17 inserted with its other end in the recess 4 of the outer band member 1 as a radially circumferential projection.
  • the locking element 17 has a coaxial bore 18 and is provided with radially continuous slots 9 at its end projecting into the joint pin 6 '.
  • the radially resilient locking arms formed in this way are blocked by a locking pin 8 "'in their position locked in the locking recess 12".
  • the locking pin 8 "' has an outer diameter corresponding to the inner diameter of the coaxial bore 18, and at its end projecting into the recess 4 has a head 16 closing this recess 4 to the outside.
  • the locking pin 8"' can be press-fitted into the coaxial bore 18.
  • the band members 1, 2 and 3 are formed with the same recesses 4 and 5 and a latching recess 12 as the exemplary embodiment in FIG. 1.
  • the hinge pin 6 "also protrudes through the recesses 4 and 5 and has a coaxial bore 7 ..
  • the hinge pin 6 In the undeformed state shown in FIG. 8, the hinge pin 6 "projects with its cylindrical end piece into the bore 4.
  • the end region of the hinge pin 6 becomes a radially circumferential shoulder-like Step 19 of the locking pin 8 "" larger outside diameter than the inside diameter of the coaxial bore 7 plastically deformed radially outwards so that a locking cam 11 'projecting into the locking recess 12 is formed.
  • the locking pin 8 "" simultaneously represents a safeguard against unintentional loosening of the link belt parts from one another.

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  • Buckles (AREA)
  • Clamps And Clips (AREA)

Description

Die Erfindung bezieht sich auf ein Gliederband, insbesondere Uhrarmband, mit Gliederreihen aus in Bandquerrichtung nebeneinanderliegenden Bandgliedern, wobei die aneinander angrenzenden Bandglieder einer Gliederreihe Lücken und Vorsprünge bildend jeweils um ihre halbe Länge in Bandlängsrichtung übereinander versetzt angeordnet sind, und die Vorsprünge der einen Gliederreihe in die Lücken der benachbarten Gliederreihe hineinragen, mit Gelenkstiften, die in Bandquerrichtung sich erstreckende Ausnehmungen in den beiden in Bandlängsrichtung gerichteten Enden der Bandglieder durchragen und gegen axiales Verschieben gesichert sind.The invention relates to a link bracelet, in particular a watch strap, with link rows made of band links lying next to one another in the cross-band direction, the adjoining band links of a link row forming gaps and projections, each offset by half their length in the longitudinal direction of the tape, and the projections of one link row into the Gaps in the adjacent row of links protrude with hinge pins which project through recesses extending in the transverse direction of the tape in the two ends of the tape links directed in the longitudinal direction of the tape and are secured against axial displacement.

Bei derartigen Gliederbändern (s. GB-A 2 056 285) ist es bekannt, daß die äußeren Bandglieder kraftschlüssig mit den Gelenkstiften verbunden sind. Durch axiale Kraftbeaufschlagung sind damit die Gelenkstifte entfernbar, so daß ein unbeabsichtigtes Lösen eines Gelenkstiftes leicht möglich ist.In such link bands (see GB-A 2 056 285) it is known that the outer band links are non-positively connected to the hinge pins. The hinge pins can thus be removed by axial application of force, so that unintentional loosening of a hinge pin is easily possible.

Aufgabe der Erfindung ist es daher, ein Gliederband nach dem Oberbegriff zu schaffen, das gegen ein unbeabsichtigtes Lösen der Gliederbandteile voneinander gesichert ist.The object of the invention is therefore to provide a link belt according to the preamble, which is secured against unintentional detachment of the link belt parts from one another.

Diese Aufgabe wird erfindungsgemäß dadurch gelöst, daß zumindest ein Ende der Gelenkstifte an seinem in die Ausnehmung des äußeren Bandgliedes ragenden Bereich wenigstens einen radial federnden Rastarm mit einem radial hervorstehenden Rastnocken besitzt, der in eine entsprechende Rastausnehmung in der Wand der Ausnehmung einrastbar und in der Einrastposition blockierbar ist. Diese Ausbildung ermöglicht einen einfachen Zusammenbau, indem die Bandglieder auf die Gelenkstifte aufgeschoben werden, bis der Rastnocken des Rastarms in die Rastausnehmung des äußeren Bandgliedes einrastbar ist. Die anschließende Blockierung des Rastnockens in diese Einrastposition verhindert ein unbeabsichtigtes Lösen. Eine derartige Verbindung kann entweder nur an einem äußeren Bandglied einer Gliederreihe oder aber auch an beiden äußeren Bandgliedern einer Gliederreihe angeordnet sein.This object is achieved in that at least one end of the hinge pins on its area projecting into the recess of the outer band member has at least one radially resilient latching arm with a radially projecting latching cam which can be latched into a corresponding latching recess in the wall of the recess and in the latching position can be blocked. This design enables simple assembly, in that the band links are pushed onto the hinge pins until the latching cam of the latch arm can be latched into the latching recess of the outer band link. The subsequent blocking of the locking cam in this locking position prevents unintentional loosening. Such a connection can either be arranged only on one outer band link of a row of links or else on both outer band links of a row of links.

Eine einfache und leicht sowie kostengünstig herstellbare Ausbildung besteht darin, daß das Ende des Gelenkstifts mit einer Koaxialbohrung versehen, rohrförmig ausgebildet ist und ein oder mehrere Radialschlitze aufweist, wobei ein Blockierzapfen gleichen Außendurchmessers wie der Innendurchmesser der Koaxialbohrung in die Koaxialbohrung einsetzbar ist.A simple and easy and inexpensive to manufacture is that the end of the hinge pin is provided with a coaxial bore, is tubular and has one or more radial slots, wherein a locking pin of the same outer diameter as the inner diameter of the coaxial bore can be used in the coaxial bore.

Ist der Rastnocken ein an der zylindrischen Mantelfläche des Endes des Zapfens radial umlaufender Ansatz, so kann er ebenfalls auf einfache Weise hergestellt werden. Vorzugweise ist dabei die Rastausnehmung eine Ringnut in der Wand der Ausnehmung.If the latching cam is a projection that runs radially around the cylindrical lateral surface of the end of the pin, it can also be produced in a simple manner. The latching recess is preferably an annular groove in the wall of the recess.

Die Ausnehmung des äußeren Bandgliedes ist durch einen einfachen Bohrvorgang herstellbar, wenn sie eine Stufenbohrung ist, deren zur freien Seite des Bandgliedes gerichtete große Stufe die Rastausnehmung bildet.The recess of the outer band member can be produced by a simple drilling process if it is a stepped bore, the large step of which is directed towards the free side of the band member and forms the latching recess.

In einer anderen Ausbildung kann die Ausnehmung des äußeren Bandgliedes eine Stufenbohrung sein, in deren zum benachbarten Bandglied gerichteten großen Stufe eine Hülse einsetzbar ist, deren Bohrungswandung eine radial umlaufende Ringnut aufweist.In another embodiment, the recess of the outer band member can be a stepped bore, in whose large step facing the adjacent band member a sleeve can be used, the bore wall of which has a radially circumferential annular groove.

Eine andere erfindungsgemäße Ausbildung eines Gegenstandes nach dem Oberbegriff besteht darin, daß zumindest ein Ende der Gelenkstifte eine nach außen mündende axiale Ausnehmung aufweist, in die ein Rastelement einsetzbar ist, das radial federnde Rastarme mit einem radial hervorstehenden Rastnocken besitzt, der in eine entsprechende Rastausnehmung in der Wand der Ausnehmung einrastbar und in der Einrastposition blockierbar ist. Auch diese Ausbildung ermöglicht einen einfachen Zusammenbau, indem die Bandglieder auf die Gelenkstifte aufgeschoben werden, bis die Rastnocken der im äußeren Bandglied angeordneten Rastelemente in die Rastausnehmungen der Gelenkstifte einrasten. Die anschließende Blockierung der Rastnocken verhindert ein unbeabsichtigtes Lösen.Another inventive design of an object according to the preamble is that at least one end of the hinge pins has an outwardly opening axial recess into which a locking element can be inserted, which has radially resilient locking arms with a radially protruding locking cam, which in a corresponding locking recess in the wall of the recess can be locked and locked in the locked position. This design also enables simple assembly, in that the band links are pushed onto the hinge pins until the latching cams of the latching elements arranged in the outer band link snap into the latching recesses of the hinge pins. The subsequent blocking of the locking cams prevents unintentional loosening.

Eine einfache und leicht sowie kostengünstig herstellbare Ausbildung besteht darin, daß das Rastelement mit einer Koaxialbohrung versehen, rohrförmig ausgebildet ist und an seinem in den Gelenkstift ragenden Ende ein oder mehrere radiale Schlitze aufweist, wobei ein Blockierzapfen gleichen Außendurchmessers wie der Innendurchmesser der Koaxialbohrung, in die Koaxialbohrung einsetzbar ist.A simple and easy and inexpensive to manufacture is that the locking element is provided with a coaxial bore, is tubular and has one or more radial slots at its end projecting into the hinge pin, with a locking pin of the same outer diameter as the inner diameter of the coaxial bore into the Coaxial bore can be used.

Ist der Rastnocken ein an der zylindrischen Mantelfläche des in den Gelenkstift ragenden Endes des Rastelementes radial umlaufender Ansatz, so kann er ebenfalls auf einfache Weise hergestellt werden. Vorzugsweise ist dabei die Rastausnehmung eine Ringnut in der Wand der axialen Ausnehmung des Gelenkstifts.If the locking cam is a radially circumferential extension on the cylindrical outer surface of the end of the locking element which projects into the hinge pin, it can also be produced in a simple manner. The latching recess is preferably an annular groove in the wall of the axial recess of the hinge pin.

Entspricht der Außendurchmesser des Gelenkstifts dem Innendurchmesser der Ausnehmungen der Bandglieder, so besitzen die einzelnen Bandglieder eine einwandfreie Führung und können nicht quer zur Längserstreckung des Bandgliedes kippen, sondern nur um die Gelenkstifte verschwenken. Dies vermeidet auch einen vorzeitigen Verschleiß der Gelenkstifte.If the outside diameter of the hinge pin corresponds to the inside diameter of the recesses in the band links, the individual band links have a perfect guide and cannot tilt transversely to the longitudinal extent of the band link, but can only pivot about the hinge pins. This also prevents premature wear of the hinge pins.

Ist der Innendurchmesser der Ausnehmungen der äußeren Bandglieder geringer als der Innendurchmesser der Ausnehmungen der inneren Bandglieder, so wird an dem entsprechend ausgebildeten Gelenkstift eine Ringschulter gebildet, an der das äußere Bandglied sicher geführt in Anlage ist, und zwischen den inneren Bandgliedern das für eine leichte Verschwenkbarkeit erforderliche Spiel sicherstellt.If the inner diameter of the recesses of the outer band links is smaller than the inner diameter of the recesses of the inner band links, an annular shoulder is formed on the correspondingly designed hinge pin, on which the outer band link is securely guided, and between the inner band links for easy pivotability ensures required game.

Die Koaxialbohrung des Gelenkstifts kann entweder eine Sackbohrung oder eine durchgehend ausgebildete Bohrung sein. Ist sie durchgehend ausgebildet, so können Blockierzapfen und Gelenkstift etwa gleiche Länge besitzen. Damit ist die Koaxialbohrung an ihren Mündungen sauber verschlossen.The coaxial bore of the hinge pin can either be a blind bore or a continuous bore. If it is continuous, the locking pin and the hinge pin can have approximately the same length. So that the coaxial bore is neatly closed at its mouths.

Eine einfache Halterung des Blockierzapfens in seiner Einbauposition besteht darin, daß der Blockierzapfen mittels Preßpassung in die Koaxialbohrung einsetzbar ist.A simple mounting of the locking pin in its installation position consists in that the locking pin can be inserted into the coaxial bore by means of an interference fit.

Eine andere Möglichkeit besteht darin, daß die Koaxialbohrung des Gelenkstifts eine Gewindebohrung ist, in die der mit einem entsprechenden Gewinde versehene Blockierzapfen einschraubbar ist. Beide Ausführungen ermöglichen auch eine einfache Demontage.Another possibility is that the coaxial bore of the hinge pin is a threaded bore into which the locking pin provided with a corresponding thread can be screwed. Both versions also allow easy disassembly.

Vorzugsweise ist bei einem mit Gewinde versehenen Blockierzapfen die Koaxialbohrung eine Stufenbohrung, deren im Bereich des äußeren Bandgliedes ausgebildete große Stufe nach außen mündet und deren kleine Stufe als Gewindebohrung ausgebildet ist.Preferably, in the case of a threaded locking pin, the coaxial bore is a stepped bore, the large step formed in the region of the outer band member opens out and the small step is designed as a threaded hole.

Der Blockierzapfen kann an seinem zum Randbereich des Gliederbandes gerichteten Ende einen Kopf aufweisen, durch den vorzugsweise die nach außen mündende Öffnung der Ausnehmung des äußeren Bandglieds verschließbar ist, so daß nach außen hin ein sowohl optisch sauberer als auch ein Eindringen von Schmutz verhindernder Abschluß vorhanden ist.The blocking pin can have a head at its end directed towards the edge region of the link belt, through which the preferably opening outward opening of the recess of the outer link can be closed, so that there is a closure that is both optically clean and prevents the ingress of dirt .

Eine weitere erfindungsgemäße Ausbildung eines Gegenstandes nach dem Oberbegriff besteht darin, daß zumindest ein Ende der Gelenkstifte mit einer Koaxialbohrung versehen rohrförmig ausgebildet ist, und an seinem in die Ausnehmung des äußeren Bandgliedes ragenden Bereich einen radial hervorstehenden, in eine entsprechende Rastausnehmung in der Wand der Ausnehmung eingreifenden Rastnocken bildend plastisch verformbar ist, wobei der Rastnocken in der in die Rastausnehmung eingreifenden Position blockierbar ist. Auf einfachste Weise ist damit sowohl eine Montage als auch eine Sicherung gegen unbeabsichtigtes Lösen erreicht.Another inventive design of an object according to the preamble is that at least one end of the hinge pins is provided with a coaxial bore tubular, and a radially protruding in its area protruding into the recess of the outer band member in a corresponding recess in the wall of the recess engaging locking cams can be plastically deformed, the locking cam being lockable in the position engaging in the locking recess. In the simplest way, both assembly and securing against unintentional loosening are achieved.

Besonders einfach wird dies dadurch erreicht, daß zumindest ein Ende der Gelenkstifte eine nach außen mündende axiale Ausnehmung aufweist, in die ein mit einer Axialbohrung ausgebildetes Rastelement einrastbar ist, das an seinem in die Ausnehmung des Gelenkstifts ragenden Bereich einen radial hervorstehenden in eine entsprechende Rastausnehmung in der Wand der Ausnehmung des Gelenkstifts eingreifenden Rastnocken bildend plastisch verformbar ist, wobei der Rastnocken in der in die Rastausnehmung eingreifenden Position blockierbar ist. Dabei kann der Gelenkstift bzw. das Rastelement durch einen in die Koaxialbohrung bzw. die Axialbohrung einsetzbaren Blockierzapfen zumindest teilweise größeren Durchmessers als dem Innendurchmesser der unverformten Koaxialbohrung bzw. Axialbohrung plastisch verformbar sein.This is achieved in a particularly simple manner in that at least one end of the hinge pins has an outward-opening axial recess into which a latching element formed with an axial bore can be latched, which in its area protruding into the recess of the hinge pin has a radially projecting into a corresponding latching recess in the wall of the recess of the hinge pin engaging latching cams is plastically deformable, the latching cam being lockable in the position engaging in the latching recess. The hinge pin or the locking element can be plastically deformable by a blocking pin which can be inserted into the coaxial bore or the axial bore and which is at least partially larger than the inside diameter of the undeformed coaxial bore or axial bore.

Ausführungsbeispiele der Erfindung sind in der Zeichnung dargestellt und werden im folgenden näher beschrieben.Embodiments of the invention are shown in the drawing and are described in more detail below.

Es zeigen

  • Figur 1 einen Ausschnitt eines Gliederbandes im Schnitt
  • Figur 2 ein Endstück eines Gelenkstifts im Schnitt
  • Figuren 3a bis 3d vier stimseitige Ansichten eines Gelenkstifts
  • Figur 4 ein Ende einer Gliederreihe im Schnitt
  • Figur 5 ein zweites Ausführungsbeispiel eines Endes einer Gliederreihe im Schnitt
  • Figur 6 ein drittes Ausführungsbeispiel eines Endes einer Gliederreihe im Schnitt
  • Figur 7 ein viertes Ausführungsbeispiel eines Endes einer Gliederreihe im Schnitt
  • Figur 8 ein fünftes Ausführungsbeispiel eines Endes einer Gliederreihe im Schnitt vor Blockierung
  • Figur 9 die Gliederreihe nach Figur 8 im Schnitt nach Blockierung
Show it
  • Figure 1 shows a section of a link belt in section
  • Figure 2 shows an end piece of a hinge pin in section
  • Figures 3a to 3d four frontal views of a hinge pin
  • Figure 4 shows one end of a row of links in section
  • Figure 5 shows a second embodiment of one end of a row of links in section
  • Figure 6 shows a third embodiment of one end of a row of links in section
  • Figure 7 shows a fourth embodiment of one end of a row of links in section
  • Figure 8 shows a fifth embodiment of one end of a row of links in section before blocking
  • Figure 9 shows the link row of Figure 8 in section after blocking

Der in Figur 1 dargestellte Ausschnitt zeigt einen Seitenbereich eines Gliederbandes. Dabei bilden die Bandglieder 1, 2 und 3 sowie 1', 2' und 3' die in Bandquerrichtung nebeneinanderliegen jeweils eine Gliederreihe. Die aneinander angrenzenden Bandglieder einer Gliederreihe sind lücken- und vorsprüngebildend jeweils um eine halbe Länge in Bandlängsrichtung zueinander versetzt angeordnet. Dabei ragen die Vorsprünge der einen Gliederreihe in die Lücken der anderen Gliederreihe hinein.The section shown in Figure 1 shows a side region of a link belt. The band links 1, 2 and 3 as well as 1 ', 2' and 3 ', which lie next to each other in the band transverse direction, each form a row of links. The adjoining band links of a row of links are each offset by half a length in the longitudinal direction of the band to form gaps and protrusions. The projections of one row of links protrude into the gaps of the other row of links.

An ihren in Bandlängsrichtung gerichteten Enden besitzen die Bandglieder 1, 1', 2, 2', 3 und 3' sich in Bandquerrichtung erstreckende Ausnehmungen 4 und 5 durch die die Gelenkstifte 6 hindurchragen.At their ends directed in the longitudinal direction of the band, the band members 1, 1 ', 2, 2', 3 and 3 ' have recesses 4 and 5 which extend in the transverse direction of the band and through which the hinge pins 6 project.

Die Gelenkstifte 6 besitzen durchgehende Koaxialbohrungen 7 in die Blockierzapfen 8 mit Preßpassung eingesetzt sind. Wie in den Figuren 2 und 3a bis 3d besonders gut zu sehen ist, sind die Gelenkstifte 6 an ihren in das äußere Bandglied 1 bis 1' hineinragenden Enden mit radialen Schlitzen 9 versehen, so daß sie um ein bestimmtes Maß radial federn können.The hinge pins 6 have continuous coaxial bores 7 into which the locking pins 8 are inserted with an interference fit. As can be seen particularly well in FIGS. 2 and 3a to 3d, the hinge pins 6 are provided with radial slots 9 at their ends projecting into the outer band member 1 to 1 ', so that they can spring radially by a certain amount.

In Figur 3a ist dabei der Schlitz 9 mittig radial durchgehend, während in Figur 3b zwei tangentiale Schlitze 9 vorhanden sind.In Figure 3a, the slot 9 is radially continuous in the middle, while in Figure 3b there are two tangential slots 9.

Figur 3c zeigt drei gleichmäßig verteilt ausgebildete radiale Schlitze 9, während Figur 3d zwei kreuzförmig zueinander angeordnete durchgehende radiale Schlitze 9 besitzt.Figure 3c shows three evenly distributed radial slots 9, while Figure 3d has two continuous radial slots 9 arranged in a cross shape.

Die Ausbildung der Figur 3d entspricht der Ausbildung in Figur 2.The configuration in FIG. 3d corresponds to the configuration in FIG. 2.

Durch eine in dem geschlitzten Bereich am Außenumfang des Gelenkstiftes 6 angeordnete Ringnut 10 ist am Ende des Gelenkstifts 6 ein radial umlaufender Ansatz gebildet, der als Rastnocken 11 dient. Dieser Rastnocken 11 ist in eine Rastausnehmung 12 einrastbar, die durch eine in der Wand der Ausnehmung 9 angeordnete Ringnut gebildet wird.An annular groove 10, which is arranged in the slotted area on the outer circumference of the hinge pin 6, forms a radially circumferential extension at the end of the hinge pin 6, which serves as a locking cam 11. This latching cam 11 can be latched into a latching recess 12, which is formed by an annular groove arranged in the wall of the recess 9.

In Figur 4 ist der Aufbau weitgehend dem in Figur 1 gleich. Die Ausnehmung 4 des äußeren Bandgliedes 1 ist eine Stufenbohrung, deren große Stufe zum benachbarten Bandglied 2 gerichtet ist und in die eine Hülse 13 z.B. unter Preßpassung eingesetzt ist.In Figure 4, the structure is largely the same as in Figure 1. The recess 4 of the outer band member 1 is a stepped bore, the large step of which is directed towards the adjacent band member 2 and into which a sleeve 13 e.g. is used under interference fit.

In ihrem dem Bandglied 2 abgewandten Endbereich besitzt die Hülse 13 eine in ihrer Bohrungswandung ausgebildete umlaufende Ringnut, die eine Rastausnehmung 12' bildet, in welche der Gelenkstift 6 mit seinem Rastnocken 11 einrasten kann.In its end region facing away from the band member 2, the sleeve 13 has a circumferential annular groove formed in its bore wall, which forms a latching recess 12 'into which the hinge pin 6 can latch with its latching cam 11.

In Figur 5 ist die Koaxialbohrung 7 des Gelenkstiftes 6 als Stufenbohrung ausgebildet. Dabei ist die große Stufe im Bereich des äußeren Bandglieds 1 ausgebildet, während die sich im Bereich des inneren Bandglieds 2 befindliche kleine Stufe mit einem Gewinde 14 versehen ist. Der Blockierzapfen 8' ist als Gewindezapfen mit einem mit Schlitz 15 versehenen Kopf 16 ausgebildet und in das Gewinde 14 einschraubbar. Bei den in den Figuren 1, 4 und 5 dargestellten Ausführungsbeispielen ist der durch Presspassung eingesetzte bzw. eingeschraubte Blockierzapfen 8 bzw. 8' auch wieder entfernber und somit die Bandglieder ohne Zerstörung demontierbar.In Figure 5, the coaxial bore 7 of the hinge pin 6 is designed as a stepped bore. The large step is formed in the area of the outer band link 1, while the small step located in the area of the inner band link 2 is provided with a thread 14. The blocking pin 8 'is designed as a threaded pin with a head 16 provided with a slot 15 and can be screwed into the thread 14. In the Darge in Figures 1, 4 and 5 In the illustrated exemplary embodiments, the locking pin 8 or 8 'inserted or screwed in by press fitting can also be removed again, and thus the belt members can be removed without being destroyed.

Bei dem Ausführungsbeispiel nach Figur 6 ist der Blockierzapfen 8" nicht durchgehend ausgebildet, so daß er nach dem Einsetzen mit Presspassung in die Koaxialbohrung 7 nicht mehr entfernt werden kann. Der Blockierzapfen 8" besitzt ähnlich wie der Blockierzapfen 8' einen Kopf 16, wobei sowohl der Kopf 16 als auch der Kopf 16' die nach außen gerichtete Mündung der Ausnehmung 4 verschließt.In the exemplary embodiment according to FIG. 6, the locking pin 8 "is not continuous, so that it cannot be removed after being press-fitted into the coaxial bore 7. Like the locking pin 8 ', the locking pin 8" has a head 16, with both the head 16 and the head 16 'closes the outward opening of the recess 4.

Bei dem Ausfihrungsbeispiel in Figur 7 durchragt der Gelenkstift 6' nur die Ausnehmungen 5 der Bandglieder 2 und 3. In dem Endbereich des Gelenkstifts 6' ist in dessen Koaxialbohrung 7 eine umlaufende Ringnut ausgebildet, die eine Rastausnehmung 12" bildet. In diese Rastausnehmung 12" ist ein Rastnocken 11 einrastbar, der an einem Ende eines mit seinem anderen Ende in der Ausnehmung 4 des äußeren Bandgliedes 1 eingesetzten Rastelements 17 als radial umlaufender Ansatz ausgebildet ist.In the exemplary embodiment in FIG. 7, the hinge pin 6 'projects through only the recesses 5 of the band links 2 and 3. In the end region of the hinge pin 6', a circumferential annular groove is formed in its coaxial bore 7, which forms a latching recess 12 ". In this latching recess 12" a latching cam 11 can be snapped in, which is formed at one end of a latching element 17 inserted with its other end in the recess 4 of the outer band member 1 as a radially circumferential projection.

Das Rastelement 17 besitzt eine Koaxialbohrung 18 und ist an seinem in den Gelenkstift 6' ragenden Ende mit radial durchgehenden Schlitzen 9 versehen. Die dadurch gebildeten radial federnden Rastarme werden durch einen Blockierzapfen 8"' in ihre in die Rastausnehmung 12" eingerasteten Position blockiert.The locking element 17 has a coaxial bore 18 and is provided with radially continuous slots 9 at its end projecting into the joint pin 6 '. The radially resilient locking arms formed in this way are blocked by a locking pin 8 "'in their position locked in the locking recess 12".

Der Blockierzapfen 8"' besitzt einen Außendurchmesser entsprechend dem Innendurchmesser der Koaxialbohrung 18, sowie an seinem in die Ausnehmung 4 ragenden Ende einen diese Ausnehmung 4 nach außen verschließenden Kopf 16. Der Blockierzapfen 8"' kann dabei mit Presspassung in die Koaxialbohrung 18 eingesetzt sein.The locking pin 8 "'has an outer diameter corresponding to the inner diameter of the coaxial bore 18, and at its end projecting into the recess 4 has a head 16 closing this recess 4 to the outside. The locking pin 8"' can be press-fitted into the coaxial bore 18.

In den Figuren 8 und 9 sind die Bandglieder 1, 2 und 3 mit den gleichen Ausnehmungen 4 und 5 und einer Rastausnehmung 12 ausgebildet, wie das Ausführungsbeispiel in Figur 1.In FIGS. 8 and 9, the band members 1, 2 and 3 are formed with the same recesses 4 and 5 and a latching recess 12 as the exemplary embodiment in FIG. 1.

Der Gelenkstift 6" ragt ebenfalls durch die Ausnehmungen 4 und 5 und besitzt eine Koaxialbohrung 7..The hinge pin 6 "also protrudes through the recesses 4 and 5 and has a coaxial bore 7 ..

In dem in Figur 8 dargestellten unverformten Zustand ragt der Gelenkstift 6" mit seinem zylindrischen Endstück in die Bohrung 4. Durch das Einführen des Blockierzapfens 8"" in die Koaxialbohrung 7 entsprechend Figur 9, wird der Endbereich des Gelenkstiftes 6" durch eine radial umlaufende schulterartige Stufe 19 des Blockierzapfens 8"" größeren Außendurchmessers als dem Innendurchmesser der Koaxialbohrung 7 plastisch radial nach außen verformt, so, daß ein in die Rastausnehmung 12 hineinragender Rastnocken 11' gebildet wird.In the undeformed state shown in FIG. 8, the hinge pin 6 "projects with its cylindrical end piece into the bore 4. By inserting the locking pin 8" "into the coaxial bore 7 according to FIG. 9, the end region of the hinge pin 6" becomes a radially circumferential shoulder-like Step 19 of the locking pin 8 "" larger outside diameter than the inside diameter of the coaxial bore 7 plastically deformed radially outwards so that a locking cam 11 'projecting into the locking recess 12 is formed.

Dabei stellt der Blockierzapfen 8"" gleichzeitig eine Sicherung gegen unbeabsichtigtes Lösen der Gliederbandteile voneinander dar.The locking pin 8 "" simultaneously represents a safeguard against unintentional loosening of the link belt parts from one another.

Claims (22)

1. Link band, especially a watch bracelet, with link rows comprising band links situated one beside the other in the transverse direction of the band, the mutually adjoining band links of a link row forming gaps and projections and being offset in each case by half their length relatively to one another in the longitudinal direction of the band, and the projections of one link row projecting into the gaps of the neighbouring link row, with joint pins which project through recesses, extending in the transverse direction of the band, in the two band link ends directed in the longitudinal direction of the band, and are secured against axial displacement, and at least one end of the joint pins has, at its region projecting into the recess of the outer band link, at least one radially resilient retaining arm, characterised in that there is arranged on the radially resilient retaining arm a radially projecting retaining catch (11) which is adapted to catch in a corresponding retaining recess (12, 12') in the wall of the recess (4) of the outer band link (1, 1') and is lockable in the catching position.
2. Link band according to claim 1, characterised in that the end of the joint pin (6) is provided with a coaxial bore (7) and is made tubular in shape, and has one or more radial slots (9), and a locking stud (8, 8', 8") having the same outer diameter as the inner diameter of the coaxial bore (7) is insertable in the coaxial bore (7).
3. Link band according to one of the preceding claims, characterised in that the retaining catch (11) is a shoulder disposed radially about the cylindrical generated surface of the end of the joint pin (6).
4. Link band according to one of the preceding claims, characterised in that the retaining recess (12) is an annular groove in the wall of the recess (4).
5. Link band according to one of the preceding claims, characterised in that the recess (4) of the outer band link (1,1') is a stepped bore, whose large step directed towards the free side of the band link (1, 1') forms the retaining recess (12).
6. Link band according to one of claims 1 to 4, characterised in that the recess (4) of the outer band link (1, 1') is a stepped bore into whose large step, which is directed towards the neighbouring band link (2, 2'), there is insertable a sleeve (13) whose bore wall has an annular groove extending radially about it.
7. Link band, especially watch bracelet, with link rows comprising band links situated one beside the other in the transverse direction of the band, the mutually adjoining band links of a link row forming gaps and projections and being offset in each case by half their length relatively to one another in the longitudinal direction of the band, and the projections of one link row projecting into the gaps of the neighbouring link row, with joint pins which project through recesses, disposed in the transverse direction of the band, in the two band link ends directed in the longitudinal direction of the band, and are secured against axial displacement, characterised in that at least one end of the joint pins (6) has an axial recess (7) which debouches outwardly and into which a retaining element (17) can be inserted, this element having radially resilient retaining arms having a radially projecting retaining catch (11) which is adapted to catch in a corresponding retaining recess (12") in the wall of the recess (7) and is lockable in the catching position.
8. Link band according to claim 7, characterised in that the retaining element (17) is provided with a coaxial bore (18) and is of tubular shape, and has at that one of its ends which projects into the joint pin (6') one or more radial slots (9), and a locking stud (8"') the outer diameter of which is equal to the inner diameter of the coaxial bore (18) is insertable into the coaxial bore (18).
9. Link band according to one of claims 7 and 8, characterised in that the retaining catch (11) is a shoulder disposed radially in encircling manner on the generated surface of that end of the retaining element (17) which projects into the joint pin (6').
10. Link band according to one of claims 7 to 9, characterised in that the retaining recess (12") is an annular groove in the wall of the axial recess (7) of the joint pin (6').
11. Link band according to one of the preceding claims, characterised in that the outer diameter of the joint pin (6) corresponds to the inner diameter of the recesses (4, 5) of the band links (1, 1', 2, 2').
12. Link band according to one of the preceding claims, characterised in that the inner diameter of the recesses (4) of the outer band links (1, 1') is smaller than the inner diameter of the recesses (5) of the inner band links (2, 2').
13. Link band according to one of the preceding claims, characterised in that the coaxial bore (7) of the joint pin (6, 6') is a through bore.
14. Link band according to claim 13, characterised in that locking stud (8) and joint pin (6) are of approximately the same length.
15. Link band according to one of the preceding claims, characterised in that the locking stud (8, 8", 8"', 8"") is insertable with a force fit in the coaxial bore (7).
16. Link band according to one of claims 1 to 14, characterised in that the coaxial bore (7) of the joint pin (6) is a screwthreaded bore into which the locking stud (8') provided with a corresponding screwthread can be screwed.
17. Link band according to claim 16, characterised in that the coaxial bore (7) is a stepped bore whose large step, formed in the region of the outer band link (1, 1'), debouches outwardly and whose small step is constructed as a screwthreaded bore.
18. Link band according to one of the preceding claims, characterised in that the locking stud (8', 8") comprises, at its end directed towards the edge region of the link band, a head (16, 16').
19. Link band according to claim 18, characterised in that the outwardly debouching mouth of the recess (4) of the outer band link (1, 1') is adapted to be closed by the head (16, 16').
20. Link band, especially watch bracelet, with link rows comprising band links situated one beside the other in the transverse direction of the band, the mutually adjoining band links of a link row forming gaps and projections and being offset in each case by half their length relatively to one another in the longitudinal direction of the band, and the projections of one link row projecting into the gaps of the neighbouring link row, with joint pins which project through recesses, disposed in the transverse direction of the band, in the two band link ends directed in the longitudinal direction of the band, and which are secured against axial displacement, at least one end of the joint pins being provided with a coaxial bore and given a tubular shape and being plastically deformable to project radially at its region projecting into the recess of the outer band link, and the deformed region which projects into the recess of the outer band link being adapted to be secured against resuming its previous shape, characterised in that in the wall of the recess (4) of the outer band link (1) there is formed a radially directed retaining recess (12) into which the deformable region of the joint pin (6") is plastically deformable by a locking stud (8"") which is insertable in the coaxial bore (7) and which has at least partly a greater diameter than the inner diameter of the non-deformed coaxial bore (7).
21. Link band, especially watch bracelet, with link rows comprising band links situated one beside the other in the transverse direction of the band, the band links which adjoin one another in a link row forming gaps and projections and being offset in each case by half their length relatively to one another in the longitudinal direction of the band, and the projections of one link row projecting into the gaps of the neighbouring link row, with joint pins which project through recesses, disposed in the transverse direction of the band, in the two band link ends directed in the longitudinal direction of the band, and which are secured against axial displacement, characterised in that at least one end of the joint pins has an outwardly debouching axial recess into which is insertable a retaining element constructed with an axial bore, the said retaining element being plastically deformable at its region projecting into the recess of the joint pin, forming a radially projecting retaining catch which engages in a corresponding retaining recess in the wall of the recess of the joint pin, the retaining catch being lockable in the position engaging in the retaining recess.
22. Link band according to claim 21, characterised in that the retaining element is plastically deformable by a locking stud which is insertable in the axial bore and which is at least partly of greater diameter than the inner diameter of the non-deformed axial bore.
EP86115535A 1986-01-11 1986-11-08 Link strap Expired - Lifetime EP0229908B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19863600590 DE3600590A1 (en) 1986-01-11 1986-01-11 LINKED BAND
DE3600590 1986-01-11

Publications (3)

Publication Number Publication Date
EP0229908A2 EP0229908A2 (en) 1987-07-29
EP0229908A3 EP0229908A3 (en) 1988-05-04
EP0229908B1 true EP0229908B1 (en) 1990-08-22

Family

ID=6291659

Family Applications (1)

Application Number Title Priority Date Filing Date
EP86115535A Expired - Lifetime EP0229908B1 (en) 1986-01-11 1986-11-08 Link strap

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EP (1) EP0229908B1 (en)
JP (1) JPS62164404A (en)
DE (2) DE3600590A1 (en)

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FR2627677A1 (en) * 1988-02-29 1989-09-01 Eterna Sa Bracelet links joined by hinge - with links having tubes held together by pin through them and pin held by plugs
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GB2227155B (en) * 1988-10-14 1992-06-17 Kanjanapas Kriangkrai Bracelet for wrist watches
DE3910403A1 (en) * 1989-03-31 1990-10-04 Int Watch Co Iwc LINKED BRACELET
DE3934895A1 (en) * 1989-10-19 1991-04-25 Timur Tugrul Chain link with three lengthwise sections - incorporates two cross-wise sections and has plate with at least three corners
FR2667485B1 (en) * 1990-10-08 1994-02-04 Microtec Am Sa ASSEMBLY DEVICE FOR BRACELET LINKS.
GB2260072A (en) * 1991-10-01 1993-04-07 Stelux Ind Limited Bracelet
FR2764486B1 (en) * 1997-06-13 1999-08-06 Werthanor Sa ARTICULATION DEVICE BETWEEN TWO LINKS OF A BRACELET
EP0950364A1 (en) * 1998-04-17 1999-10-20 Novotech S.A. Link pin for flexible bracelet
ATE281090T1 (en) * 2000-08-11 2004-11-15 Rado Montres Sa BRACELET WITH HINGED LINKS
CH699811B1 (en) 2000-08-11 2010-05-14 Rado Montres Sa Bracelet with articulated links and a method of assembling such a bracelet
CH695389A5 (en) * 2002-05-29 2006-04-28 Hgt Petitjean S A External and central links assembling device for watch strap, has screw including proximal and distal sections of different diameters between its threaded part and head, where sections have annular groove to receive shrinkage of hour wheel
ATE398945T1 (en) * 2004-06-16 2008-07-15 Blancpain Sa JOINT DEVICE FOR THE SWIVELING CONNECTION OF TWO BRACELET LINKS
JP4793704B2 (en) * 2009-06-04 2011-10-12 カシオ計算機株式会社 Watch band mounting structure
DE102012021055A1 (en) * 2012-10-25 2014-04-30 Friedrich Lütze GmbH Housing for attachable to a support rail and juxtaposed devices, associated housing modular system and device with such a housing
FR3128619A1 (en) * 2021-11-02 2023-05-05 Charles Perroud Sas BRACELET WITH METALLIC LINKS FOR WATCHMAKING OR JEWELRY

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Also Published As

Publication number Publication date
JPS62164404A (en) 1987-07-21
EP0229908A3 (en) 1988-05-04
DE3600590C2 (en) 1988-07-28
DE3600590A1 (en) 1987-07-16
DE3673625D1 (en) 1990-09-27
EP0229908A2 (en) 1987-07-29

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