EP1908366A1 - Bracelet fastener - Google Patents

Bracelet fastener Download PDF

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Publication number
EP1908366A1
EP1908366A1 EP20060405427 EP06405427A EP1908366A1 EP 1908366 A1 EP1908366 A1 EP 1908366A1 EP 20060405427 EP20060405427 EP 20060405427 EP 06405427 A EP06405427 A EP 06405427A EP 1908366 A1 EP1908366 A1 EP 1908366A1
Authority
EP
European Patent Office
Prior art keywords
clasp
positioning
sliding
slides
locking
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.)
Granted
Application number
EP20060405427
Other languages
German (de)
French (fr)
Other versions
EP1908366B1 (en
Inventor
Martin Christian
Vincent Lemosquet
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 EP20060405427 priority Critical patent/EP1908366B1/en
Publication of EP1908366A1 publication Critical patent/EP1908366A1/en
Application granted granted Critical
Publication of EP1908366B1 publication Critical patent/EP1908366B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • AHUMAN NECESSITIES
    • A44HABERDASHERY; JEWELLERY
    • A44CJEWELLERY; BRACELETS; OTHER PERSONAL ADORNMENTS; COINS
    • A44C5/00Bracelets; Wrist-watch straps; Fastenings for bracelets or wrist-watch straps
    • A44C5/18Fasteners for straps, chains or the like
    • A44C5/22Fasteners for straps, chains or the like for closed straps
    • A44C5/24Fasteners for straps, chains or the like for closed straps with folding devices
    • A44C5/246Fasteners for straps, chains or the like for closed straps with folding devices having size adjusting means
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T24/00Buckles, buttons, clasps, etc.
    • Y10T24/21Strap tighteners
    • Y10T24/2143Strap-attached folding lever
    • Y10T24/2155Jewelry-watch straps
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T24/00Buckles, buttons, clasps, etc.
    • Y10T24/47Strap-end-attaching devices
    • Y10T24/4782Watch strap

Abstract

The fastener has sliding rollers gripping with respective slides (18) that delimit homologous paths extending in planes parallel to a longitudinal axis of elongated branches (1, 2). Respective transversal sections of the slides and the rollers have complementary adjacent surfaces for limiting movements of the rollers to a single degree of freedom corresponding to a sliding path of the slides, to assure a free movement in translation of a connection unit (20) when longitudinal positioning notches (14) and locking elements are not in grip with each other.

Description

  • The present invention relates to a bracelet clasp having at least two elongate arms articulated to one another around transverse axes by one of their respective longitudinal ends, a locking device for holding the free ends of these two branches. elongated in the folded position, connecting members between the elongated legs and the respective ends of a bracelet and a mechanism for adjusting the longitudinal position of the connecting member of one of the free ends of the bracelet to one of the elongate branches , comprising on the one hand a sliding device comprising guiding elements integral with a first of the elongated branches, extending essentially longitudinally thereto, two stops for delimiting the active length of said guiding elements, elements of sliding solidarity of the connecting member of one of the ends of the bracelet to this first elongated branch, engaged with the guide elements and secondly a positioning device whose first part comprises a plurality of longitudinal positioning elements extending over this first elongate branch, along a length corresponding to that separating the two stops and the second portion comprises a blocking element integral with said connecting member, shaped to selectively engage with said plurality of longitudinal positioning elements.
  • Among the many clasps of bracelets with length adjustment devices, it has already been proposed a clasp of the aforementioned type in the CH 668 353 . As a disadvantage of the adjustment device that comprises the clasp described in this document, the fact that the slides in which are engaged the two slidably mounted members are simple openings through the side walls of the lid of the clasp. Such guiding openings essentially have the role of limiting the displacement amplitude of the connecting member and of defining its trajectory, but they do not make it possible to guide its displacement according to a translation movement. For this purpose, the connecting member is formed by a plate whose lateral edges slide against the side walls of the lid of the clasp. Guiding the device is a hybrid system that does not ensure high accuracy and therefore a smooth sliding and without risk of jamming.
  • Another disadvantage of this solution is that the organs for changing the position of the connecting member are the same as those that control the opening and closing of the clasp. Therefore, it is not possible to open the clasp without changing the position of the connecting member and therefore without losing the length adjustment, which is obviously a tedious operation for the user, whenever he removes and puts back his watch, which can happen several times a day. Given that this control is done by bringing together two members mounted slidably along an axis transverse to the bracelet and that these members protrude outside on either side of the clasp, their actuation can result from an involuntary action, even accidental, which is obviously not desirable.
  • Another clasp of this type is described in JP 2000 279 217 . In this clasp, the length adjustment device is independent of the opening and closing device, but it does not eliminate the risk of accidental or accidental actuation of the pushers used to control the adjustment device. Moreover, this clasp does not include no real guiding device in precise translation of the connecting member.
  • The CH 691 159 also has a slide-mounted adjuster whose position is fixed by a screw. Such a system therefore requires a screwdriver, so that it can be adjusted only if it is in possession of a screwdriver corresponding to the screw. Given the size of the screw, such a solution requires, in general, the intervention of a specialist.
  • Other clasps with length adjustment devices are still known using types of movable racks whose position can be fixed by means of a locking member, as described for example in FIG. US 2,596,186 . The disadvantage of such a device comes from the fact that if it is admitted that from an aesthetic point of view it is not possible to remove the rack from the ends of the clasp, the maximum adjustment length can not in any case exceed the half of the length of the clasp, which is notoriously insufficient, especially for a diving watch clasp in particular, where the length of adjustment around the wrist with and without diving suit must be relatively large, and in all cases greater than half the length of a clasp with folding branches, which is itself limited by the size of the wrist.
  • As can be seen, none of the solutions of the prior art makes it possible to satisfy the safety conditions in maintaining adjustment and ease of adjustment, while allowing this clasp to be used as a normal clasp for as long as you do not want to change the set length.
  • The purpose of the present invention is to meet all the requirements that must satisfy such a clasp.
  • For this purpose, the subject of the present invention is a bracelet clasp comprising at least two elongate arms articulated to one another by one of their respective ends, according to claim 1.
  • The main advantage of the clasp according to the invention is to provide a guide in translation as accurate as the guides used in instruments or precision machines. Such guidance makes it possible to obtain smooth and smooth sliding of the connecting member when adjusting the length. This is all the more important as the adjustment range is large, which is particularly the case for an adjustable wrist watch strap clasp, which must be able to adapt alternately directly to the wrist of the diver or indirectly on the diving suit, which represents a difference of several centimeters in the wrist.
  • Advantageously, one of the two parts of the positioning device is mounted on a hinge axis transverse to the elongate branches of the clasp, to cause the relative displacement between the plurality of positioning elements and the locking element, in order to to engage them, respectively, to release them mutually.
  • With this arrangement, the clasp according to the invention allows to have an adjustment device completely independent of the opening and closing device, the actuation of this adjustment device can only result from a voluntary action.
  • Several other features and advantages of the clasp according to the invention will become apparent from the description which follows and which is made with the aid of the attached drawings which illustrate, schematically and by way of example, two embodiments and a variant of the invention. clasp object of the present invention.
    • Figure 1 is a side elevational sectional view along II of Figure 3 of the clasp according to the first embodiment in the closed position;
    • Figure 2 is a view of Figure 1 in the open position of the clasp;
    • Figure 3 is a sectional view along the line III-III of Figure 2;
    • Figure 4 is a partial perspective view of Figure 1 with parts torn off;
    • Figure 5 is a partial view of Figure 1 with the two parts of the positioning device released;
    • Figure 6 is a view similar to Figure 5 showing the bracelet connecting member at the other end of the adjustment device;
    • Figure 7 is a partial longitudinal sectional view similar to Figure 5 with the two parts of the positioning device engaged, the second embodiment of the clasp according to the invention;
    • Figure 8 is a view similar to Figure 7 with the two parts of the positioning device disengaged;
    • Figure 9 is a perspective view of Figure 8 without the front portion 13'b of the cover to improve visibility;
    • Figure 10 is a view similar to Figure 7, a variant of the second embodiment;
    • Figure 11 is a view similar to Figure 10 with the two parts of the positioning device disengaged;
    • Figure 12 is a perspective view of Figure 11 without the front portion 13 "b of the cover to improve visibility.
  • The clasp illustrated in FIGS. 1 and 2 is a clasp of known type, described in FIG. EP 1 654 950 and which comprises two branches 1, 2, elongate in the longitudinal direction of the clasp, articulated by one of their ends about an axis 3. The free end of the branch 1 has a hooking element 4 which is in the form of a transverse element, parallel to the axis of articulation 3. This attachment element 4 is located in a portion 1a of the free end of the branch 1, curved outwardly. A space is provided between this fastening element 4 and the bottom of this curved portion 1a to allow insertion of a fastening member between the fastening element 4 and the bottom of the curved portion 1a as will be explained. thereafter. This same free end is still integral with two axes of joints 5, 6, parallel to the hinge axis 3 of the branches 1, 2. One of these axes serves to the articulation of a locking cover 7, while the other serves to articulate an end of one of the strands of the bracelet (not shown).
  • An assembly member 9 is articulated at the free end of the elongate branch 2 about the hinge axis 8 and has two other axes 10 and 11. The axis 10 serves for the articulation of a lever of 12 lock and the axis 11 is used to connect an elongated lid 13 in the longitudinal direction of the clasp.
  • The assembly member 9 has a surface 9a adjacent to the inner face of the upper wall of the cover 13. This surface 9a serves to block the pivoting of the cover 13 about the axis 11. The end of this cover 13, located on the side of the free end of the branch 2, covers the rear end of the locking lever 12.
  • As can be seen in particular in FIG. 2, one end of a spring 15 bears on a rod 16 secured to of the assembly member 9 and passes around the hinge axis 10 between the assembly member 9 and the locking lever 12. The other end of this spring 15 bears against the inner face of the wall Thus, this spring creates a torque on the locking lever 12 which tends to turn it counterclockwise in FIGS. 1 and 2. A second spring identical to the spring 15 (not visible) passes around the axis of articulation 10.
  • The locking lever 12 carries a locking hook 17 shaped to be able to engage between the locking element 4 integral with the free end of the branch 1 and the bottom of the curved portion 1a of this branch 1, in which position it is maintained by the torque applied by the spring 15. The lifting of the front portion of the lever 12 to rotate it clockwise, against the torque of the spring 15 causes the opening of the clasp .
  • It is pointed out that the closing mechanism of the clasp is not part of the invention and can be replaced by any other appropriate mechanism.
  • The cover 13 has an inverted U-shaped cross-section, as shown in FIG. 3. The internal face of the bottom of this cover has a positioning notch 14, similar to a rack notch. The inner faces of the two side walls of this cover 13 each comprise a guide slide 18 formed, in this example, by a milling formed in the thickness of these side walls. Two sliding rollers 19 whose respective diameters correspond to the width of a guide slide 18 are pivotally mounted at respective ends of two spring bars 21, 22 which exert on the rollers opposing opposing lateral forces that hold them elastically in the guide slides 18. The spring bars 21, 22 are housed in transverse passages formed through a connecting member 20. This connecting member 20 serves for the fixation of one of the ends of the bracelet as will be explained later. Given the complementary profile of the rollers 19 and the slides 18 and the opposing forces exerted on the rollers 19 to maintain them in the slides 18, when the two pairs of sliding rollers 19 of the connecting member 20 are engaged with the opposite guide slides 18, each pair of sliding rollers 19 has a single degree of freedom defined by the longitudinal trajectory of the slides 18. Therefore, the connecting member 20 secured to the two pairs of rollers 19 can move only according to a translation movement, with friction only between the rollers 19 and the guide slides 18.
  • As can be seen in particular in Figures 1, 3 and 4, a locking member 24 is pivotally mounted around the bar 21. This locking member 24 comprises a notch 24a shaped to engage between the notches 14 integral with the bottom of the cover 13 in the position of the locking element 24 around the bar 22 shown in FIGS. 1 to 4. The blocking element 24 is held in this engagement position of the catch 24a in the notches 14 of the rack with a lug 24b for resiliently catching (bending the bars 21, 22) on the bar 22, as shown in Figure 4.
  • As illustrated by FIGS. 4 and 5, the locking element 24 also serves to receive two lateral links 25a, 25b for fastening an end of the bracelet (not shown) by means of a screw 26. These two lateral links 25a, 25b are fixed by driving the respective ends a rod 27 (Figures 1 and 2) in two blind holes of these side links 25a, 25b.
  • To disengage the notch 24a from the locking element 24 of the notches 14 of the rack, it is sufficient to rotate the lateral links 25a, 25b around the rod 27 in a position forming an angle with the cover 13 and pull on the bracelet, which is extremely easy when the bracelet is attached to the screw 26.
  • As soon as the notch 24a is disengaged from the notches 14 of the rack, the mobile assembly, formed by the connecting member 20, the parallel spring bars 21, 22, the rollers 19 and the locking element 24, can slide freely in the manner of a real trolley along the guide slides 18. The stroke of this mobile assembly is limited by the ends of the milling forming the slides 18. The length of the rack formed by the notches 14 substantially corresponds to that of 18. As soon as the new adjustment position is reached by the moving element, it is sufficient to rotate the locking element 24 in the opposite direction to reengage the pin 24b on the bar 22.
  • Advantageously, a retaining element formed by a small projection 24c is disposed on one of the faces of the locking element 24 so as to come against the inner edge of the connecting member when the locking element 24 is tilted in position. 24a, as shown in FIG. 5. With this retaining element, the locking element is held in its tilted position, as shown in FIG. 5, while the connecting member is moved along. slides 18 with which the rollers 19 are engaged, preventing interference of the notch 24a with the notches 14 of the rack.
  • As can be seen, the adjustment can only be made voluntarily and in no case accidentally or inadvertently, since the adjustment can be done only after opening the clasp and then must clear the lug 24b of the bar 22 on which it is hung elastically.
  • The second embodiment illustrated in FIGS. 7, 8 and 9 differs from the previous embodiment only in that the notch 20'a is no longer secured to a locking element pivotally mounted around the bar 21, the locking element 20'a being fixed, traversed by the bar 21. To obtain the engagement and disengagement of the locking notch 20'a with the notches 14 'of the rack, the latter is carried by a flap 13' independent of the bottom of the cover 13 'which is formed of two parallel parts, a front portion 13'b and a rear portion 13'c spaced apart from one another to the width of the flap 13'a and assembled by axes including a transverse axis 28 around which one end of the flap 13'a is pivotally mounted.
  • The other end of the flap 13'a is articulated about a transverse axis 40 to a control lever 29, one end of which is pivoted on the cover 13 ', about a transverse axis 30. The other end 29a of this lever control 29 protrudes in the folded position (Figure 7) of the adjacent end of the cover 13 'to provide a catch to lift when it is desired to disengage the notches 14' of its fixed notch 20'a rack for allow to slide the movable assembly 20 ', 21, along the guide slides 18. It is then sufficient to fold down the flap 13'a to engage the fixed notch 20'a with one of the notches 14' of the rack attached to the shutter 13'a.
  • The flap 13'a and the control lever 29 form a toggle joint, so that when the flap 13'a is moved away from its position shown in FIG. 8 to move to the folded position illustrated in FIG. is subjected to traction, while the control lever 29 is subjected to compression due to the difference in trajectory of the axis 40 pivoting simultaneously about the axis 28 and about the axis 30. Therefore, according to the axis 40 is located on one side or the other of the line L joining the transverse axis 28 to the axis 30, the stresses exerted on the flap 13 'a and on the control lever 29 exert two pairs of opposite directions holding the flap 13'a open, respectively folded down, as illustrated by FIGS. 8 and 7 respectively, thus forming a bistable system on either side of the line L.
  • The advantage of this embodiment is to adjust the length of the bracelet without removing the wrist watch. It can further be noted that in the folded position, the end 29a of the control lever 29 protruding from the end of the cover 13 'is covered by the locking cover 7 illustrated in FIGS. 1 and 2. there is no risk of accidental actuation of the control lever 29.
  • In the variant illustrated in Figures 10 to 12, the control lever 29 is replaced by a toggle comprising two arms 31, 32 articulated to one another by one of their ends around an axis 33, the arm 31 is double. The second end of the arm 32 is articulated around a transverse shaft 34 integral with the two halves 13 "b, 13" c of the cover 13 "A pre-stressed helical spring 35 is mounted on the transverse shaft 34 and applies a torque in the counterclockwise direction on the arm 32. The second end of the double arm 31 is formed to form a stop 31a intended to bear against the lower face of the flap 13 "a. This second end of the arm 31 is articulated to the free end of the flap 13a by means of a transverse axis 37.
  • As can be seen by comparing the respective positions of the arms 31, 32 in Figures 10 to 12, when the axis 37 passes from the position of the flap 13a (Figure 11) to its folded position (Figure 10), this axis 37 passes a point of equilibrium relative to the axis 33 of the toggle joint, so that the torque exerted in the opposite direction to that of the clockwise by the spring 35 on the arm 32 maintains the flap 13 "a open as soon as the axis 37 passes the position of equilibrium with respect to the axis 33, whereas this same pair folds the flap 13 "a and holds it in this position as soon as the axis 37 passes this equilibrium position In the opposite way. Given the rigidity of the arms 31, 32 of the toggle joint, the crossing of the equilibrium position is made possible by the helical spring 35 mounted on the transverse axis 34. The open retention of the flap 13 "a also allows the free sliding in both directions of the moving element 20 'along the entire length of the slides 18.
  • As can still be seen, in this second embodiment, the rollers 19 are replaced by sliding shoes 39, 39 'engaged in the guide slides 18 provided on the internal faces of the two side walls of the cover 13', These sliding pads 39, 39 'are made of a material that is able to reduce friction while resisting wear and have a slightly arched profile which allows precise adjustment in the respective guide slides 18. These pads can be made of a piece made of a material with a low coefficient of friction, such as a plastic material, or essentially formed by metal covered with a material with a low coefficient of friction that is resistant to wear.
  • Of course, it is quite possible to replace the rollers 19 of the first embodiment by the sliding pads 39, 39 'and vice versa. The frictional forces of the sliding pads 39, 39 'can be modulated by virtue of the lateral forces exerted on these sliding pads 39, 39' by the spring bar 21.

Claims (9)

  1. A bracelet clasp having at least two elongate arms (1, 2, 13) articulated to each other about transverse axes (3) by one of their respective longitudinal ends, a locking device (4, 17) for maintaining the free ends of these two elongate legs in the folded position, the connecting members (6, 26) between the elongated legs and the respective ends of a bracelet and a mechanism for adjusting the longitudinal position of the connecting member of one of the free ends of the bracelet to one of the elongated arms (1, 2, 13), comprising on the one hand a sliding device comprising guiding elements (18) integral with a first of the elongated branches, s' extending substantially longitudinally thereto, two abutments for delimiting the active length of said guide elements, sliding elements (19, 39) integral with the connecting member (20) of one end of the bracel and at this first elongated branch, engaged with the guide elements (18) and secondly a positioning device, a first part of which has a plurality of longitudinal positioning elements (14) extending on this first elongated branch over a length corresponding to that separating the two stops and the second part comprising a locking element (24a, 20'a) integral with said connecting member, shaped to selectively engage with said plurality of longitudinal positioning elements, characterized in that said guide elements are two slides (18) defining two homologous paths extending in two planes parallel to the longitudinal axis of said branches (1, 2, 13), said respective sliding elements (19, 39). being transversely spaced from each other to engage with said respective guide slides (18), the respective cross-sections of the slides and sliding members comprising complementary adjacent surfaces for limiting the displacement of the sliding members (19, 39) to a single degree of freedom corresponding to the sliding path said slides (18), so as to ensure a translational free movement of said connecting member, when said plurality of positioning elements (14) and said locking element (24a, 20'a) of the positioning device are not engaged with each other.
  2. Clasp according to claim 1 wherein one of the two parts (14, 24a, 20'a) of the positioning device is mounted on a hinge axis (21, 28) transverse to said elongate branches (1, 2, 13 ) to cause the relative displacement between the plurality of positioning elements (14) and the locking element (24a, 20'a) to respectively engage them to disengage each other.
  3. Clasp according to claim 2, wherein said portion (24) of the positioning device mounted on a hinge pin (21) transverse to said elongated legs (1, 2, 13) comprises a retaining element (24c) for maintaining the blocking element (24a) of said part (24) in the disengaged position of the positioning elements (14).
  4. Clasp according to claim 1 wherein a first (13 '; 13 ") of said elongated legs (1, 2, 13';13") has an inverted U-shaped section, said plurality of positioning elements (14 '; 14 ") being secured to at least one portion (13'a;13" a) of the wall connecting the two branches of this U-shaped section, one end of said adjacent wall portion (13'a; 13 "a) at one end of this first elongated branch (13 '; 13 ") being integral said transverse hinge pin (28), the other end of said wall portion being connected to the first leg by a toggle joint (29; 31,32).
  5. Clasp according to claim 4 wherein a return spring (35) is associated with the toggle joint (31, 32), the spring (35) tending to maintain said wall portion (13 "a) alternately in two positions of on both sides of an equilibrium position of the toggle joint (31, 32), the folded one in which said plurality of positioning elements (14 ") is engaged with said locking element ( 20'a), the other spread, wherein the two parts of the positioning device are separated from each other.
  6. Clasp according to one of claims 4 and 5, wherein the homologous wings (18) are formed in the thickness of the side walls of the elongated leg (13) whose section has an inverted U-shape.
  7. Clasp according to claim 6, wherein sliding shoes (39) are engaged with each of the homologous wings (18).
  8. Clasp according to claim 6, wherein sliding rollers (19) engage with each of said counter-slide (18).
  9. Clasp according to one of the preceding claims, wherein said sliding elements (19, 39) are engaged with said guide slides (18) by at least one resilient member (21, 22) to exert lateral forces of sense opposed on said slide members (19, 39) engaged with said respective guide slides (18).
EP20060405427 2006-10-06 2006-10-06 Bracelet fastener Active EP1908366B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP20060405427 EP1908366B1 (en) 2006-10-06 2006-10-06 Bracelet fastener

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DE2006405427 DE06405427T1 (en) 2006-10-06 2006-10-06 strap closure
EP20060405427 EP1908366B1 (en) 2006-10-06 2006-10-06 Bracelet fastener
DE200660007360 DE602006007360D1 (en) 2006-10-06 2006-10-06 strap closure
US11/868,142 US8001658B2 (en) 2006-10-06 2007-10-05 Clasp for band

Publications (2)

Publication Number Publication Date
EP1908366A1 true EP1908366A1 (en) 2008-04-09
EP1908366B1 EP1908366B1 (en) 2009-06-17

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Family Applications (1)

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EP20060405427 Active EP1908366B1 (en) 2006-10-06 2006-10-06 Bracelet fastener

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US (1) US8001658B2 (en)
EP (1) EP1908366B1 (en)
DE (2) DE06405427T1 (en)

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RU2465793C1 (en) * 2011-07-15 2012-11-10 Общество с ограниченной ответственностью "Константин Чайкин" Clasp of watch bracelet, watch bracelet with clasp and watch with bracelet with clasp
EP2606762A1 (en) * 2011-12-22 2013-06-26 Montres Tudor S.A. Clasp with different bracelet length settings
EP2875747A1 (en) * 2013-11-25 2015-05-27 Dexel S.A. Bracelet clasp comprising a device for adjusting the useful length of the bracelet
EP3292784A1 (en) 2016-09-12 2018-03-14 Ball Watch Company SA Watch strap clasp
EP3329797A1 (en) * 2016-12-05 2018-06-06 Rolex Sa Device for adjusting the length of a bracelet
WO2019158471A1 (en) 2018-02-16 2019-08-22 Rolex Sa Device for adjusting the length of a bracelet
US10588384B2 (en) 2016-12-05 2020-03-17 Rolex Sa Device for the comfort-adjustment of the length of a bracelet

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GB0918168D0 (en) * 2009-10-16 2009-12-02 Dickinson Ross Leak Seal
CH702061A1 (en) * 2009-10-26 2011-04-29 Thi Technologies Horlogeres Ind S A Stretch bracelet clasp.
CH704335B1 (en) * 2011-01-13 2015-06-30 Thi Technologies Horlogères Ind S A extensible clasp for a bracelet including a watch.
EP2502516B1 (en) * 2011-03-21 2013-07-17 Omega SA Bracelet clasp
EP2601856A1 (en) * 2011-12-09 2013-06-12 Omega SA Watch strap clasp
EP2721943B1 (en) * 2012-10-16 2015-08-12 Rolex Sa Resilient joint for clockwork assembly
EP2740382B1 (en) * 2012-12-04 2015-10-28 Omega SA Bracelet clasp comprising a device for adjusting the useful length of the bracelet
CN104544791B (en) * 2015-01-08 2016-08-24 裘里斯杨 A kind of adjusting means and wrist-watch that can control to adjust watchband degree of tightness in face single-piece
US9681711B2 (en) * 2015-05-28 2017-06-20 Fossil Group, Inc. Adjustable bracelet

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US2997761A (en) * 1960-05-10 1961-08-29 Frank L Davis Quick acting spearable buckle with toggle takeup and releasable lock
IT217031Z2 (en) * 1989-04-21 1991-10-29 Chevalley Gianandrea The closure device of a strap for watches
CH690116A5 (en) * 1996-07-17 2000-05-15 Rolex Montres Device for adjusting the length of a wristband with a clasp with unfolding blades.
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US2596186A (en) * 1948-09-24 1952-05-13 Carl Art Inc Extension device
CH667979A5 (en) * 1986-10-08 1988-11-30 Georges Claude Adjustable fastener for bracelet - has curved central plate having groove in which arm of one part slides and locks in notches in groove
CH668353A5 (en) * 1986-11-17 1988-12-30 Erbas S A Extensible fastener for bracelet or watch - has two folding segments with bracelets end joined to plate sliding in cover and hooks engaging in hole in segment

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2465793C1 (en) * 2011-07-15 2012-11-10 Общество с ограниченной ответственностью "Константин Чайкин" Clasp of watch bracelet, watch bracelet with clasp and watch with bracelet with clasp
EP2606762A1 (en) * 2011-12-22 2013-06-26 Montres Tudor S.A. Clasp with different bracelet length settings
US9049906B2 (en) 2011-12-22 2015-06-09 Montres Tudor S.A. Clasp with different wrist-band length adjustments
EP2875747A1 (en) * 2013-11-25 2015-05-27 Dexel S.A. Bracelet clasp comprising a device for adjusting the useful length of the bracelet
WO2015075253A1 (en) * 2013-11-25 2015-05-28 Dexel S.A. Bracelet clasp comprising a device for fine adjustment of the useful length of the bracelet
CN105899098A (en) * 2013-11-25 2016-08-24 德克赛尔股份公司 Bracelet clasp comprising a device for fine adjustment of the useful length of the bracelet
CN105899098B (en) * 2013-11-25 2018-07-03 德克赛尔股份公司 Bangle retaining ring including being used for the device for fine-tuning bangle effective length
EP3292784A1 (en) 2016-09-12 2018-03-14 Ball Watch Company SA Watch strap clasp
EP3329797A1 (en) * 2016-12-05 2018-06-06 Rolex Sa Device for adjusting the length of a bracelet
US10588384B2 (en) 2016-12-05 2020-03-17 Rolex Sa Device for the comfort-adjustment of the length of a bracelet
US10722006B2 (en) 2016-12-05 2020-07-28 Rolex Sa Device for adjusting the length of a bracelet
WO2019158471A1 (en) 2018-02-16 2019-08-22 Rolex Sa Device for adjusting the length of a bracelet

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US8001658B2 (en) 2011-08-23
EP1908366B1 (en) 2009-06-17
US20080083101A1 (en) 2008-04-10
DE06405427T1 (en) 2008-10-09
DE602006007360D1 (en) 2009-07-30

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