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EP4197388A1 - Auswechselbares uhrenarmband - Google Patents

Auswechselbares uhrenarmband Download PDF

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Publication number
EP4197388A1
EP4197388A1 EP22215056.7A EP22215056A EP4197388A1 EP 4197388 A1 EP4197388 A1 EP 4197388A1 EP 22215056 A EP22215056 A EP 22215056A EP 4197388 A1 EP4197388 A1 EP 4197388A1
Authority
EP
European Patent Office
Prior art keywords
bracelet
actuator
fixing member
pivot
assembly according
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
EP22215056.7A
Other languages
English (en)
French (fr)
Inventor
Fabrice FREROT
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.)
Holding Finances Fdr&f Sa
Original Assignee
Holding Finances Fdr&f 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 Holding Finances Fdr&f Sa filed Critical Holding Finances Fdr&f Sa
Publication of EP4197388A1 publication Critical patent/EP4197388A1/de
Pending 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
    • A44C5/14—Bracelets; Wrist-watch straps; Fastenings for bracelets or wrist-watch straps characterised by the way of fastening to a wrist-watch or the like

Definitions

  • the present invention relates to the field of watchmaking. More specifically, the present invention relates to changing watch straps.
  • Mechanisms for changing the bracelet of a watch which are known from the state of the art comprise an actuating member, such as a lug, which projects from the bracelet so that a user can engage the mechanism, and thus separating the bracelet from the rest of the watch.
  • the actuating member can, however, snag a garment of the user, scratch a surface or be the place of accumulation of dirt.
  • a tool may be required to bias the actuator.
  • An object of the invention is to allow a watch strap to be changed in a simple manner and without the risk of damaging the surfaces with which the strap is liable to come into contact.
  • a watch comprising an assembly as previously described and a middle part in which a housing is formed, the fixing member being engaged in the housing.
  • a method for dismantling the bracelet of the watch as described above comprising a step of deforming the bracelet so as to cause a displacement of the actuator relative to the bracelet causing the fastener in the second position, in which the fastener is disengaged from the housing.
  • FIG. 1 illustrates a part of a watch 1 comprising a bracelet 2 and a middle part 3.
  • a case (not shown) can be attached and fixed to the middle part 3. If necessary, the case comprises an interface making it possible to display the time and a clockwork mechanism for determining the time.
  • the caseband 3 comprises a hollow base 30 intended to receive the case.
  • a through opening is even made through the base 30 to receive the housing, the base 30 then comprising a frame of circular shape. Any structure or shape of base 30 is of course possible.
  • the caseband 3 also comprises horns 31, 32, 33, 34, typically four horns 31, 32, 33, 34 distributed over the circumference of the caseband 3, provided to cooperate with the bracelet 2 for fixing the latter on the caseband 3.
  • the bracelet 2 then comprises two parts, only one of which is illustrated on the figure 1 , each part being attached and fixed on one of the sides of the middle part 3 of the watch 1, by cooperation between this part and two of the horns 31, 32 of the base 30.
  • at least one housing 340 can be provided in the caseband 3, typically a housing 310, 320, 330, 340 in each of the horns 31, 32, 33, 34 as visible on the figure 4 .
  • FIG. 1 also illustrates that a plurality of through holes 200, preferably circular and aligned along the wristband 2, can be provided within the wristband 2, for adjusting the circumference of the wristband 2 around the user's wrist.
  • the strap 2 can comprise at least one of the following materials: metal, leather, rubber and fabric. In certain variants, the bracelet 2 is even exclusively composed of one of these materials. In other variants, the bracelet 2 comprises several distinct portions, each of which is made of one of these materials.
  • the bar 4 comprises a support 40 attached and fixed on the bracelet 2, and at least one fixing member 41 adapted to fix the support 40 on the caseband 3 , the fixing member 41 being movable relative to the support 40.
  • the support 40 takes the form of a cylindrical tube 40 of revolution through which a light is made, the light emerging on each of the axial ends of the tube 40.
  • the adjective “axial” here means the position according to the axis of revolution of the tube 40 (illustrated in dotted lines on the figure 2 ).
  • this is not limiting, since any shape and any suitable support structure 40 (s) so that the support 40 can be attached and fixed on the bracelet 2, while allowing the mobility of the fixing member 41, by relative to the support 40, for attachment to the caseband 3 of the watch 1, can be envisaged.
  • the tube 40 is attached and fixed to the strap 2 at the end of the strap 2 which is closest to the caseband 3 when the strap 2 is fixed to the caseband 3, preferably in s 'extending transversely to the main direction of extension of the bracelet 2, as visible on the figure 4 and some figure 8 to the figure 10 .
  • the fixing member 41 takes the form of a pivot 41 , also cylindrical of revolution, housed and movable within the lumen of the tube 40, but of section greater than the open axial end of the lumen, the section being taken perpendicular to the axis of revolution of the pivot 41, so as to remain blocked inside the tube 40.
  • the pivot 41 comprises a stud 410, projecting at one end axial end of the pivot 41, the pin 410 having a cylindrical shape of revolution of section smaller than the section of the open axial end of the slot, in order to be able to protrude from the axial end of the support 40 when the pivot 41 approaches the end corresponding open axial light.
  • the pivot 41 also comprises a lug 411, attached and fixed to the pivot 41, or integral with the pivot 41, and projecting from a peripheral surface of the pivot 41, that is to say from the cylindrical surface of the pivot 41, and extending through a guide orifice 400 made crossing through a peripheral surface of the tube 40, that is to say the cylindrical surface of the tube 40, the guide orifice being able to be elongated, as seen on the figure 2 , and then extending in a direction parallel to the axis of revolution of the tube 40.
  • the lug 411 is integral in translation with the pivot 41 along the axis of revolution of the tube 40, the pivot 41 being constrained in its movement by the cooperation of the body of the pin 411 with the guide orifice 400.
  • the pin 411 may comprise a rod 4110 and a head 4112, the rod 4110 being fixed on the pivot 41, and the head 4112 being fixed on the rod 4110, for example by being integral with the rod 4110, at one end of the rod 4110 opposite the end of the rod 4110 which cooperates with the pivot 41.
  • the rod 4110 can take the form of a cylindrical tube 40 of revolution, while the head 4112 can take the form of a sphere.
  • another pivot 42 is provided, the other pivot 42 being housed within the slot, at the opposite end of the tube 40 with respect to the pivot 41 provided with the lug 411, and possibly having exactly the same structure as that already described with reference to the pivot 41 provided with the lug 411, and also include a pin 420 to engage a housing 320 of a horn 32 of the middle part 3.
  • This other pivot 42 can be movable, or not, relative to the tube 40, as seen on the figure 4 and on the figure 10 .
  • a return element 43 such as a coil spring visible on the figure 2
  • a return element 43 can be arranged within the slot by being axially positioned between the two pivots 41, 42, so that the pivot 41 provided with the lug 411 is biased in a direction opposite to the other pivot 42, taking bearing on the latter by means of the helical spring 43, the pin 410 protruding from the tube 40 and the pivot 41 being in abutment against the inside of the axial end of the tube 40.
  • the stud 410 can cooperate with the housing 310 of a horn 31 of the middle part 3, so as to fix the bracelet 2 on the middle part 3, as will be described in more detail below.
  • the pivot 41 can be brought into a second position, distinct from the first position, in which the pivot 41 is disengaged from the middle part 3, and thus allows a separation of the bracelet 2 of case 3, as visible on the figure 9 and on the figure 10 where the lug 411 comes into abutment against the axial end of the guide orifice 400 which is opposite to the housing 310 of the horn 31 of the middle part 3.
  • other means than the combination of the element of reminder 43 and the other pivot 42, can be provided to ensure the passage of the pivot 41 provided with the lug 411 between the first position and the second position.
  • Such a bar structure is already used in mechanisms for changing watch bracelets in which the bar is embedded in the body of the bracelet, only the lug protruding from a surface of the bracelet, typically through an orifice passing through the bracelet having the same dimensions and the same shape as the guide orifice.
  • a user can act on the lug to cause movement of the pivot from the first position to the second position, either by himself, typically by using his fingernail, or using a tool.
  • the lug 411 is no longer accessible to the user. This is why an actuator 5 is provided, various embodiments of which are illustrated in the picture 3 and on the figure 7 .
  • the actuator 5 is also attached to the bracelet 2, on which it can be fixed, or not, depending on the configuration envisaged.
  • the actuator 5 can be attached to an outer face of the bracelet 2 and thus be visible to the user, but this is not a preferred configuration, because the risk of dirt accumulating and/or damaging surfaces remains. important. This is why the actuator 5 is preferably embedded in the bracelet 2, as will be described in more detail below, so as to be invisible to the user and, above all, not to protrude from the bracelet 2 .
  • the actuator 5 cooperates with the mobile pivot 41 so that a movement of the actuator 5 with respect to the bracelet 2 allows a movement of the pivot 41 of the first position, in which the stud 410 cooperates with the housing 310 of a lug 31 of the middle part 3, to the second position, in which the stud 410 is disengaged from the housing 310, which makes it possible to separate the strap 2 from the middle part 3 .
  • the actuator 5 has a substantially elongated shape with a main body 50 and two ends 51, 52 axial.
  • the different embodiments illustrated in the picture 3 illustrate various ways for the actuator 5 to cooperate with the pivot 41.
  • the actuator 5 In a first variant (on the left on the picture 3 , but also visible on the figure 4 ), the actuator 5 is in one piece with the pivot 41.
  • the actuator 5 In a second variant (in the center on the picture 3 , but also visible on the figure 5 ), the actuator 5 is separate from the pivot 41, but is attached and fixed on the pivot 41, instead of the lug 411 illustrated on the picture 2 .
  • the actuator 5 cooperates with the pin 411.
  • the actuator 5 comprises a hook 51 at its axial end intended to cooperate with the lug 411, the pivot 41 being axially between the first position and the second position on the figure 6 .
  • the actuator 5 is therefore attached and positioned on the bracelet 2 so as to allow cooperation between the hook 51 and the lug 411.
  • the actuator 5 cooperates with the pivot 41 by means of a link patella.
  • the axial end 51 of the actuator 5 which cooperates with the pivot 41 must cause the pivot 41 to make a translational movement against of the return element 43, following the guide orifice 400.
  • This translational movement of the pivot 41 can be brought about in two ways by the actuator 5: by translation of the actuator 5 relative to the strap 2 in the plane of the bracelet 2 - within the bracelet 2 or on the bracelet 2, as the case may be, or else by pivoting the axial end 51 of the actuator 5 which cooperates with the pivot 41 around the opposite axial end 52 of the actuator 5, still in the plane of bracelet 2.
  • This pivoting movement can be implemented in different ways.
  • the axial end 52 opposite to the actuator 5 is fixed on the bracelet 2, thus allowing the axial end 51 of the actuator 5 which cooperates with the pivot 41, which has remained free, to pivot to drive the pivot. 41 from the first position to the second position.
  • a shim 6 is attached bearing on the strap 2, whether or not it is fixed thereto, so as to block the axial end 52 opposite the pivot 41, again allowing the axial end 51 of the actuator 5 which cooperates with the pivot 41 to pivot to drive the pivot 41 from the first position to the second position.
  • This wedge 6 can be in one piece with the actuator 5, as visible on the figure 7 , or distinct from the actuator 5, as visible on the figure 9 .
  • this wedge 6 can comprise a plastic material.
  • the inside of the bracelet 2 is dimensioned so as to block the axial end 52 opposite the pivot 41, typically by having a shape which matches this axial end 52 , while the axial end 51 of the actuator 5 which cooperates with pivot 41 is not bordered by the material of strap 2 in order to be able to move relative to strap 2 and thus drive pivot 41 from the first position to the second position.
  • the actuator 5 can take a domed shape. More specifically, the width of the actuator 5, in a direction transverse to its length, may not be the same along the main extension axis of the actuator 5. More specifically, the actuator 5 may have a minimum width at the level of each of its axial ends 51, 52 , and a maximum width between the axial ends 51, 52 , at the level of its body 50.
  • the actuator 5 which cooperates with the pivot 41 to pivot in the plane of the bracelet 2, and not around its main axis of extension which, if necessary, would not allow the actuator 5 to bring the pivot 41 from the first position to the second position.
  • the actuator 5 becomes thinner as it moves away from the pivot 41, so as to be able to follow the curvature of the bracelet 2, which is intended to surround the wrist of a user, without risk that the axial end 52 opposite the pivot 41 does not pierce the body of the strap 2 in which it is embedded.
  • FIG 8 illustrates that it is possible to provide two actuators 5, each cooperating with one of the two pivots 41, 42, which are then both movable within the opening of the tube 40 of the bar 4 to disengage their respective pin 410, 420 respective housings 310, 320 made in the two lugs 31, 32 of the middle part 3 on which the bracelet 2 is fixed.
  • the two actuators 5 can have the same structure - eg., be designed according to one of the embodiments illustrated in the picture 3 , or a structure different from each other - eg one is designed according to the right embodiment of the picture 3 , while the other is designed according to the left embodiment of the picture 3 .
  • the two actuators 5 can cooperate in the same way with their respective pivot 41, 42 - eg, both by means of a hook, or each in their own way - eg one with a hook, the other by having come from material with the pivot 41, 42.
  • Actuator 5 being embedded within bracelet 2, it is invisible and therefore, a priori, inaccessible to the user.
  • the bracelet 2 is designed so as to be able to deform at least in the vicinity of the axial end 51 of the actuator 5 which cooperates with the pivot 41, thus causing the translation or the pivoting of the actuator 5 with respect to the bracelet 2, in the plane of the bracelet 2, which causes the pivot 41 to disengage from the housing 310 of the horn 31 of the caseband 3.
  • This deformation of the strap 2 can in particular be linked to the very material from which the strap 2 is designed, at least in the vicinity of the actuator 5.
  • a strap 2 made of leather or rubber has this ability to deform easily.
  • this is not limiting since, for example in the case where the bracelet 2 is metallic, it is possible to provide an insert of a more flexible material, that is to say having a lower stiffness than the metal. , within bracelet 2, in the vicinity of actuator 5.
  • the manufacture of bracelet 2 can be implemented in different ways.
  • the bracelet 2 can be molded in one piece with the bar 4 and the actuator 5.
  • the actuator 5 and the bar 4 - if necessary the wedge 6 - are arranged in a mold having the shape of the bracelet 2, then material is poured into the mould, typically rubber, and cooled.
  • the mold is designed so that, once the material has solidified around the actuator 5 and the strip 4, the actuator 5 can remain free to translate and/or pivot, at least at the level of its axial end 51 cooperating with the pivot 41, in order to urge the pivot 41 as described above.
  • a strip of a material for example leather, is provided, the actuator 5 and the bar 4 - where appropriate the wedge 6 - being attached and fixed to a surface of the strip, which is then folded over the actuator 5 and the bar 4, then sewn along its longitudinal edges.
  • Two superimposed bands can also be provided, the actuator 5 and the bar 4 - if necessary the wedge 6 - being positioned between the two bands, the longitudinal edges of which are then sewn.
  • the strip can be cut at one of its longitudinal edges, the actuator 5 and the bar 4 - if necessary the wedge 6 - being inserted within the strip through the cut thus made, then the notch is sewn up.
  • neither the actuator 5, nor the strip 4, nor the wedge 6, if any, are no longer visible to the user once the manufacture is finished, and the actuator 5 is free to pivot and/or or translate with respect to bracelet 2, within bracelet 2 itself, following deformation of bracelet 2, in order to be able to cause movement of pivot 41 from its first position to its second position.
  • a dismantling process 3 of the bracelet 2 of the watch 1 advantageously comprises, as visible on the figure 9 , on the figure 10 and on the figure 11 , the deformation E1 of the bracelet 2 so as to cause a displacement of the actuator 5 relative to the bracelet bringing the pivot 41 from the first position to the second position.

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  • Electric Clocks (AREA)
  • Adornments (AREA)
EP22215056.7A 2021-12-20 2022-12-20 Auswechselbares uhrenarmband Pending EP4197388A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR2114030A FR3130521B1 (fr) 2021-12-20 2021-12-20 Bracelet de montre interchangeable

Publications (1)

Publication Number Publication Date
EP4197388A1 true EP4197388A1 (de) 2023-06-21

Family

ID=80786417

Family Applications (1)

Application Number Title Priority Date Filing Date
EP22215056.7A Pending EP4197388A1 (de) 2021-12-20 2022-12-20 Auswechselbares uhrenarmband

Country Status (2)

Country Link
EP (1) EP4197388A1 (de)
FR (1) FR3130521B1 (de)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3818552A (en) * 1972-12-04 1974-06-25 F Droz Bar lug for wrist watch case

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3818552A (en) * 1972-12-04 1974-06-25 F Droz Bar lug for wrist watch case

Also Published As

Publication number Publication date
FR3130521A1 (fr) 2023-06-23
FR3130521B1 (fr) 2024-04-26

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