EP4176755A1 - Anbringung eines faserstrangs eines armbands an einem armbanduhrgehäuse - Google Patents

Anbringung eines faserstrangs eines armbands an einem armbanduhrgehäuse Download PDF

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Publication number
EP4176755A1
EP4176755A1 EP21206678.1A EP21206678A EP4176755A1 EP 4176755 A1 EP4176755 A1 EP 4176755A1 EP 21206678 A EP21206678 A EP 21206678A EP 4176755 A1 EP4176755 A1 EP 4176755A1
Authority
EP
European Patent Office
Prior art keywords
connecting element
fixing device
axis
receiving element
bore
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.)
Pending
Application number
EP21206678.1A
Other languages
English (en)
French (fr)
Inventor
Martin Christian
Stéphane DUFOUR
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.)
Rolex SA
Original Assignee
Rolex SA
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
Application filed by Rolex SA filed Critical Rolex SA
Priority to EP21206678.1A priority Critical patent/EP4176755A1/de
Priority to JP2022171054A priority patent/JP2023070103A/ja
Priority to US17/974,352 priority patent/US20230141715A1/en
Priority to CN202211369307.XA priority patent/CN116076842A/zh
Publication of EP4176755A1 publication Critical patent/EP4176755A1/de
Pending legal-status Critical Current

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Classifications

    • G—PHYSICS
    • G04—HOROLOGY
    • G04B—MECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
    • G04B37/00—Cases
    • G04B37/14—Suspending devices, supports or stands for time-pieces insofar as they form part of the case
    • G04B37/1486—Arrangements for fixing to a bracelet
    • 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
    • A44C5/14—Bracelets; Wrist-watch straps; Fastenings for bracelets or wrist-watch straps characterised by the way of fastening to a wrist-watch or the like
    • 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
    • A44C5/14—Bracelets; Wrist-watch straps; Fastenings for bracelets or wrist-watch straps characterised by the way of fastening to a wrist-watch or the like
    • A44C5/147—Watchcase itself used as fastener
    • G—PHYSICS
    • G04—HOROLOGY
    • G04B—MECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
    • G04B37/00—Cases
    • G04B37/14—Suspending devices, supports or stands for time-pieces insofar as they form part of the case
    • G04B37/1486—Arrangements for fixing to a bracelet
    • G04B37/1493—Arrangements for fixing to a bracelet by means of a feather spring (Barette á ressort)

Definitions

  • the invention relates to a device for fixing a bracelet strand to a watch middle. It also relates to a timepiece as such comprising at least one such fastening device, in particular a wristwatch, in which the fastening device is arranged between a bracelet strand and a middle part of the timepiece.
  • a watch case has two pairs of horns, each pair of horns delimiting a housing for receiving a link arranged at the end of a bracelet strand.
  • a pin extending between the two lugs of a pair of lugs comes into engagement with this link of the bracelet strand, holding it in position between these two lugs, while allowing the relative articulation of the bracelet strand and of the case watch, by pivoting around this axis.
  • the present invention aims to improve the situation.
  • the general object of the invention is an improved solution for attaching a bracelet strand to a watch middle, more generally to a watch case.
  • a first object of the invention is a reliable and robust solution for fixing a bracelet strand to a watch case.
  • a second object of the invention is a user-friendly solution for attaching a bracelet strand to a watch case.
  • a third object of the invention is an aesthetic solution for attaching a bracelet strand to a watch case.
  • the invention is therefore based on a device for fixing a bracelet strand to a watch middle, more generally to a watch case.
  • This fixing device comprises two main complementary elements, namely a connecting element and a receiving element, arranged respectively on a strand bracelet and a watch case, or vice versa. These two connecting and receiving elements are intended for removable attachment to each other, as will be specified later.
  • FIG. 1 to 3 illustrate an embodiment of the invention, in which a connecting element 11 is in the form of a bracelet link, forming a connecting link.
  • This connecting link is intended to be arranged at the end of a bracelet strand 10. It advantageously has the same shape and the same appearance as the other bracelet links.
  • the fixing device further comprises a receiving element 21 which is in the form of two substantially parallel horns and arranged facing each other on a middle part 20, according to this embodiment.
  • Each horn comprises a bore 21a, which appears in particular as a blind hole.
  • the two bores 21a of the two horns respectively are arranged along axes that are preferably substantially aligned.
  • the bores have a circular cross section.
  • the openings of the two bores are oriented towards each other.
  • the space between the two horns defines a housing intended to be occupied by the connecting link of the bracelet.
  • the visible outer surface of the horns shows no modification, no discontinuity, which would degrade its appearance.
  • the two bores could have through holes and/or be provided with bearing surfaces and/or have orientations that are not parallel to each other.
  • the fixing device further comprises two pins 1 intended to fix or not the connecting element 11 on the receiving element 21.
  • Each pin 1 can occupy two positions, a position projecting from the connecting element 11, as represented on the figure 2 , and a recessed position within a housing 11a of the connecting element 11, as represented by the picture 3 , as will be explained later.
  • Each axis 1 is positioned within a housing 11a arranged in the connecting element 11.
  • Two housings 11a preferably extend along the same axis A1.
  • the housings 11a are in the form of a transverse and through hole. Thus, this hole emerges from the two opposite side walls or flanks 11b of the connecting element.
  • Each housing 11a allows an axis 1 to slide freely along the axis A1, according to a degree of freedom in translation. This degree of freedom in translation makes it possible to position the pins 1 projecting or set back from the sides 11b of the connecting element 11, so as to respectively allow the assembly and the dismantling of the connecting element 11.
  • each of the housings 11a could be in the form of a blind hole opening onto the sides 11b and/or be provided with bearing surfaces.
  • the connecting element 11 further comprises a recess 2a extending from a wall of the connecting element 11 and emerging at the level of at least a part of the housings 11a of the pins, so that the pins 1 can be manipulated by an operator at this recess 2a.
  • An added element 2 which is in the form of a cover in this embodiment, is intended to take place within the recess 2a. When it is positioned in this recess, the added element 2 cooperates with the pins 1, as will be described later.
  • the connection 11 includes an internal thread 4a.
  • the added element 2 is removable.
  • the insert 2 advantageously has a shape complementary to that of the recess 2a, in particular a volume corresponding or substantially corresponding to that of the recess 2a, so that, when it is fixed on the link 11, its visible surface marries the neighboring surface of the link element 11 and/or of the reception element 21 to form a substantially continuous surface.
  • the added element 2 can conform to the fixing device and optimizes the aesthetic appearance of the connecting element 11 and/or of the receiving element 21.
  • the added element 2 is, preferably, arranged on the non-visible side of the connecting element 11. For example, it is provided on the face of the connecting mesh intended to come into contact with the wearer's wrist.
  • the added element may have another shape, and may in particular protrude from the connecting element 11 and/or from the receiving element 21.
  • it may be fixed to the connecting element by any other means, such as driving in, gluing, clipping, welding, brazing, etc. It is therefore not necessarily removable, in which case the bracelet strand would not be removable once secured to a middle part.
  • the added element can be in several parts and/or arranged within the receiving element 21. Consequently, the recess 2a can also be in several parts and / or arranged within the receiving element 21 at the level of at least a part of the housings 21a of the axes.
  • the attachment means(s) of the added element(s) will have to be adapted and/or rearranged accordingly within the receiving element.
  • each axis 1 has an identical shape and is arranged symmetrically in the connecting element 11.
  • This connecting element 11 has a substantially symmetrical shape with respect to a median plane perpendicular to the axis A1.
  • Each axis 1 has a cylindrical central portion, a first functional portion, oriented towards the outside of the connecting element 11, which has a cylindrical shape, and a second functional portion, oriented towards the inside of the connecting element 11, who has several functional surfaces.
  • the first and second portions of each axis 1 are arranged on either side of the central portion.
  • Each axis 1 is movable in translation within a housing 11a of the connecting element, so that it can occupy a projecting position, in which at least its first portion projects from the side 11b of the element connection, and can thus take place in a bore 21a of the receiving element 21.
  • the first portion is thus intended to form a pivot 1a around which the receiving element 21 is rotatable relative to the connecting element 11.
  • Each axis 1 further comprises functional surfaces at its second portion, opposite the first portion.
  • the insert 2 comprises at least a first surface which defines a first axial abutment 2b, intended to cooperate with this abutment surface 1b of each axis 1, in order to hold it in the position projecting from the sides 11b of the connecting element 11, when the insert 2 is fixed on the link element 11.
  • each pin 1 comprises a non-cylindrical portion 1c, which is intended to cooperate with a complementary portion 3 of the added element 2, visible on the picture 2 , so as to prevent any rotation of an axis 1 along the axis A1 in the presence of an added element 2.
  • the non-cylindrical portion 1c of the axes 1 comprises a triangular section, formed of three surfaces 1d, one or the other of these surfaces being intended to cooperate with the complementary portion 3 of the insert 2, which thus forms a second stop 3 in rotation of each of the axes 1.
  • This second stop 3 in rotation arranged within the insert 2 therefore makes it possible to fasten each axis 1 in rotation relative to the connecting element 11.
  • the non-cylindrical portion 1c could as a variant, for example, comprise a square, trilobic or half-moon section.
  • the second stop 3 in rotation of the axes 1 could also be arranged within the connecting element 11 itself, and not on the added element 2.
  • the second stop in rotation of the element link could be such that it cooperates with the pins 1 in their only projecting position, or alternatively also in their recessed position.
  • the second abutment 3 in rotation of the axes 1 could also be arranged within the bores 21a so that it cooperates with the axes 1 only in their projecting position.
  • the different functional portions of pin 1 could be arranged in any other way allowing attachment according to the invention.
  • the abutment surface 1b could be arranged on the same portion as that of the pivot 1a, opposite to another portion where the non-cylindrical portion 1c would be arranged.
  • this example is not limiting. Some of the possible variants will be specified later.
  • each axis 1 in the absence of the added element 2, each axis 1 has two degrees of freedom relative to the connecting element 11: a translation along the axis A1 and a rotation on itself. even along this same axis A1.
  • the fixing of the added element when the axes 1 are in their position projecting from the connecting element 11 makes it possible to eliminate these two degrees of freedom, the axes 1 then remaining blocked in their projecting position, and no longer able to rotate. on themselves within the housings 11a of the connecting element 11.
  • each axis 1 preferably comprises a notch or a groove 1f at its second functional portion, which allows the insertion of a simple tool, such as a dowel or tweezers, to manually guide the backward translation of the two axes.
  • a simple tool such as a dowel or tweezers
  • any other means or tool making it possible to actuate the two axes can be envisaged, such as for example the use of magnets.
  • the axes 1 and/or the receiving surfaces of the receiving element 21 and/or the surfaces of reception of the connecting element 11 accommodating the axes 1 can be made of a material which makes it possible to limit wear by friction, such as sintered ceramic, advantageously based on zirconia.
  • the middle part including its horns, and therefore the receiving element 21 and/or the connecting element 11 in metal, in particular in precious metal, such as gold or platinum, in order to obtain the desired aesthetic result.
  • the axes can be made of steel or precious metal. Of course, other materials are possible, such as composite materials.
  • the invention uses inserts 5, which form an interface at the level of the friction surfaces of the fixing device.
  • this friction surface is positioned at the interface between the pivots 1a formed at the level of the first portion of the axes 1 and the bores 21a of the receiving element.
  • the inserts 5 thus preferably take the form of a tube or a bearing. They may or may not be fixed within the bore 21a. Alternatively, they can be fixed or not on axes 1, at their first functional portion.
  • said friction surface could be positioned at the interface between the housings 11a and the axles 1, for example between the pivots 1a and the housings 11a of the connecting element.
  • the inserts could be fixed or not within the housing 11a. Alternatively, they may or may not be fixed on the axles 1, at the level of their friction zone with the housings 11a.
  • an insert can be made of sintered ceramic, or of a composite material, for example formed from a mixture of ceramic and a metal, or from a polymer (thermoplastic for example).
  • An insert can be entirely formed in such a material, or in part.
  • such a material can form a simple coating.
  • an insert 5 has a hardness greater than or equal to 800 HV.
  • the pivots 1a formed at the level of the first portion of the axes 1 comprise a bearing surface defining an axial stop 1e between the said pivots and the inserts 5, so as to avoid contact and by incidence wear between the sides 11b of the connecting element 11 and the side walls 21b of the receiving element 21.
  • the invention is not limited to the precise geometry of the various elements represented.
  • the pivot 1a of an axis 1 could have other shapes allowing the articulation of the two elements of the fixing device.
  • the pivot 1a could be conical or truncated.
  • the geometry of the inserts 5 could be adapted accordingly and therefore be complementary to the geometry of the axes.
  • the axes are preferentially integral in rotation with the connecting element 11, so that the friction surfaces of the articulation are located at the contacts between the axes 1 and the bores 21a of the receiving element. , and more particularly between axes 1 and inserts 5.
  • the reciprocal is also possible, with axes integral in rotation with the receiving element 21, so that the friction surfaces of the articulation are located at the contacts between the axes 1 and the bores 11a of the element of connection, and more particularly between axes 1 and inserts 5.
  • an added element 2 can take different forms.
  • figure 4 thus represents a top view of an embodiment which corresponds to the embodiment described above, with reference to the figures 1 to 3 , in which the insert 2 occupies a large surface of the connecting element 11.
  • the axes 1 can be kept fixed in rotation relative to the receiving element 21, the connecting element 11 then being movable in rotation relative to the axes 1.
  • the inserts 5 form an interface between the axes and the connecting element, as represented by the variants of the figures 6 and 7 which will be described below.
  • the inserts 5 are therefore housed within the connecting element 11.
  • the axes may for example comprise first non-circular portions, for example similar to the non-cylindrical portion 1c described above, intended to be accommodated in an element reception 21 in projecting configuration.
  • the pins 1 could also have a geometry that is substantially inverted with respect to the pins described above, the first portion forming a pivot being housed inside the housing of the connecting element, the non-cylindrical portion being oriented towards the outside of the connecting element, intended to occupy a projecting position within a receiving element during a fixing configuration.
  • the portion of the axes forming a pivot can correspond to the central position of the axes.
  • an added element could be provided on a reception element, to cooperate with an axis at the level of the reception element. This cooperation can consist of blocking at least one degree of freedom of said axis, for example its translation, to keep it in the protruding position, and/or its rotation.
  • the same or several added elements could cooperate with both the connecting element and/or the receiving element.
  • a first added element could include a first axial stop and a second added element could include a second rotational stop. These first and second added elements could be respectively arranged within the connecting element and the receiving element, or vice versa.
  • each horn facing the caseband comprises an added element 2, removably mounted on each horn, arranged to cooperate with an axis so as to maintain its position projecting from a connecting element , that is to say preventing it from being translated backwards within the connecting element.
  • each axis 1 is locked in rotation relative to the connecting element by said connecting element, by a second stop 3 in rotation, when it is at least in its projecting position, the rotation of each horn relative to each axis being operated, via an insert housed in each horn.
  • the receiving element arranged on the middle could not be in the form of two horns, but for example in the form of a single horn.
  • the connecting element 11 arranged at the end of the bracelet strand could be presented in two complementary and distinct lateral elements, each integrating an axis 1, these two axes 1 being intended to come from either side of the single lug for fixing the bracelet strand to a middle part.
  • FIG 6 illustrates such a variant embodiment in the fixing configuration.
  • An added element 2 is arranged on the reception element in the form of a simple horn, and each lateral element of the connecting element comprises a projecting axis extending in a bore of the simple horn.
  • the caseband may therefore comprise at least one lug, in particular one or two lugs. Any other caseband architecture is conceivable, in particular comprising an element of the fastening device of the invention which does not necessarily take the form of one or more lugs.
  • the fixing device may comprise one and the same pin 1.
  • the fixing device thus comprises at least one pin.
  • the at least one axis is not movable in translation relative to the connecting element. Indeed, it can be moved between its retracted position and its protruding position by any other movement, for example a rotation, or a combination of translation(s) and rotation(s).
  • it can finally be driven by one, two, or more degrees of freedom relative to the connecting element, this or these degrees of freedom being able to be reduced in its projecting position.
  • the connecting element is arranged at the end of a wristband strand.
  • the connecting element is advantageously in the form of a connecting link which comprises a shape identical or similar to other links of the bracelet strand, for give a continuous aesthetic rendering.
  • the wristband strand can be made of flexible material, for example leather.
  • the connecting element can be integrated into the end of the flexible wristband strand, preferably in a totally or partially concealed manner. Alternatively, he can take the form of a metal end arranged at the end of the flexible bracelet strand.
  • the connecting element is arranged on a watch case, in particular on a middle part, and the receiving element is arranged on a bracelet strand.
  • the construction of the fixing device of the variants illustrated by the figures 4 to 7 could be reversed. That is to say, in all of these figures, the receiving element 21 could be a mesh and the connecting element 11 could be one or more horns of a caseband.
  • an insert could be positioned between the same axis and both the connecting element and the receiving element, an insert thus being able to line all or part of the axis.
  • Such a variant makes it possible to best reduce wear.
  • the added element can comprise a means for acting on a pin during its positioning in a recess and/or during its removal from the connecting element and/or from the receiving element. , so as to drive said shaft in translation, to move it automatically from its retracted position to its protruding position and/or vice versa.
  • the invention also relates to a timepiece as such, in particular a wristwatch, comprising at least one fastening device as described.
  • a fixing device is arranged on either side of the watch case, in particular of the middle part, for the removable fixing of each strap strand.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Connection Of Plates (AREA)
  • Adornments (AREA)
EP21206678.1A 2021-11-05 2021-11-05 Anbringung eines faserstrangs eines armbands an einem armbanduhrgehäuse Pending EP4176755A1 (de)

Priority Applications (4)

Application Number Priority Date Filing Date Title
EP21206678.1A EP4176755A1 (de) 2021-11-05 2021-11-05 Anbringung eines faserstrangs eines armbands an einem armbanduhrgehäuse
JP2022171054A JP2023070103A (ja) 2021-11-05 2022-10-26 リストバンドの小型時計ケースへの組付け
US17/974,352 US20230141715A1 (en) 2021-11-05 2022-10-26 Assembly of a wristband to a watch case
CN202211369307.XA CN116076842A (zh) 2021-11-05 2022-11-03 用于表壳的腕带组件

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP21206678.1A EP4176755A1 (de) 2021-11-05 2021-11-05 Anbringung eines faserstrangs eines armbands an einem armbanduhrgehäuse

Publications (1)

Publication Number Publication Date
EP4176755A1 true EP4176755A1 (de) 2023-05-10

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ID=78536031

Family Applications (1)

Application Number Title Priority Date Filing Date
EP21206678.1A Pending EP4176755A1 (de) 2021-11-05 2021-11-05 Anbringung eines faserstrangs eines armbands an einem armbanduhrgehäuse

Country Status (4)

Country Link
US (1) US20230141715A1 (de)
EP (1) EP4176755A1 (de)
JP (1) JP2023070103A (de)
CN (1) CN116076842A (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP4023098A1 (de) * 2020-12-30 2022-07-06 Glashütter Uhrenbetrieb GmbH Schnelllösesystem für ein uhrenarmband

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0968670A1 (de) * 1998-01-29 2000-01-05 Citizen Watch Co., Ltd. Bandförmiges zubehör
US20060261106A1 (en) * 2005-05-10 2006-11-23 Haruki Hiranuma Band for timepiece and wristwatch
EP2057914A1 (de) * 2007-11-06 2009-05-13 Rolex Sa Armband mit Gelenkgliedern
CH703079B1 (fr) * 2008-04-03 2011-11-15 B & B Technics Sa Dispositif de fixation d'un bracelet interchangeable à une boîte de montre.
EP2484246A1 (de) * 2011-02-03 2012-08-08 Montres Rado S.A. Uhrenarmband aus keramischen Gliedern
US20200405016A1 (en) * 2019-06-28 2020-12-31 Montres Breguet S.A. Device for attaching a bracelet

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0968670A1 (de) * 1998-01-29 2000-01-05 Citizen Watch Co., Ltd. Bandförmiges zubehör
US20060261106A1 (en) * 2005-05-10 2006-11-23 Haruki Hiranuma Band for timepiece and wristwatch
EP2057914A1 (de) * 2007-11-06 2009-05-13 Rolex Sa Armband mit Gelenkgliedern
CH703079B1 (fr) * 2008-04-03 2011-11-15 B & B Technics Sa Dispositif de fixation d'un bracelet interchangeable à une boîte de montre.
EP2484246A1 (de) * 2011-02-03 2012-08-08 Montres Rado S.A. Uhrenarmband aus keramischen Gliedern
US20200405016A1 (en) * 2019-06-28 2020-12-31 Montres Breguet S.A. Device for attaching a bracelet

Also Published As

Publication number Publication date
CN116076842A (zh) 2023-05-09
JP2023070103A (ja) 2023-05-18
US20230141715A1 (en) 2023-05-11

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