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
  • A44C5/18—Fasteners for straps, chains or the like
  • A44C5/22—Fasteners for straps, chains or the like for closed straps
• • 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
  • A44C5/18—Fasteners for straps, chains or the like
  • A44C5/22—Fasteners for straps, chains or the like for closed straps
  • A44C5/24—Fasteners for straps, chains or the like for closed straps with folding devices
  • A44C5/246—Fasteners for straps, chains or the like for closed straps with folding devices having size adjusting means
• • 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
  • A44C5/18—Fasteners for straps, chains or the like
  • A44C5/185—Attachment of fasteners to straps or chains

Definitions

• the present invention relates to a device for adjusting the useful length of a bracelet for a bracelet of the type comprising first and second free ends.
• the adjusting device comprises a bearing frame.
• an adjusting member intended to be secured to a first free end of the bracelet and capable of sliding in the direction of the length of the bracelet with reference to the frame
• a jaw movable between active or closed and inactive or open positions, in particular under the effect of a predefined action of a user on a control member, and arranged to
• the patent application EP 1378185 A1 describes such a device which may or may not be integrated with a bracelet clasp.
• This device comprises a frame having means for attaching to a bracelet at a first end thereof.
• a regulating member is slidably mounted in the frame and is provided with a plate in which a rack is provided. Jaws actuated by buttons pushers are arranged in the frame to cooperate with the notches of the rack and lock the adjusting member in the desired position.
• the user wishing to adjust the length of his bracelet must press the push buttons to release the adjustment member and then act on the bracelet, to lengthen or shorten it by moving the adjustment member with reference to the frame of the device.
• the toothing of the rack is asymmetrical and oriented in such a way that the user can shorten his wristband so that he has to relieve it by pressing the push buttons.
• a main object of the present invention is to improve the ergonomics of the adjustment devices known from the prior art, by proposing a device for adjusting the useful length of a bracelet, providing easy handling, including in a simple operation of the control device of the device.
• the present invention relates more particularly to a control device of the type mentioned above, characterized in that it comprises an automatic conversion mechanism arranged to convert the predefined action of the user on the control organ sliding one step of the adjustment member, and allow adjustment of the useful length of the bracelet.
• the conversion mechanism may comprise a rack integral with the adjusting member and collaborating with the movable jaw to define the discrete adjustment positions.
• the adjusting device further comprises a knife arranged to move the jaw in its inactive position, in response to the predefined action of the user on the control member, and a first pusher arranged to exert a pressure, comprising a component oriented in a first direction along the longitudinal direction of the bracelet, on a first abutment surface mechanically connected to the adjusting member, when the jaw is placed in its inactive position by the knife.
• a knife arranged to move the jaw in its inactive position, in response to the predefined action of the user on the control member
• a first pusher arranged to exert a pressure, comprising a component oriented in a first direction along the longitudinal direction of the bracelet, on a first abutment surface mechanically connected to the adjusting member, when the jaw is placed in its inactive position by the knife.
• control member is not only used to release the rack as in the case of devices of the prior art but also controls an automatic movement action of the adjustment member via the pusher .
• the conversion mechanism may also comprise a stop surface arranged to cooperate with the adjustment member when the latter has made the predefined displacement.
• the first pusher can be arranged on the adjusting device so as to be movable between first and second configurations, to be able to act on the first abutment surface in the first configuration and to be capable of acting on a second abutment surface, when placed in its second configuration, in order to exert on it a pressure oriented in the opposite direction to the first direction.
• the action of the first configuration can result in an automatic lengthening of the wristband while an action in the second configuration can cause its shortening.
• a simple pressure which can be achieved with the aid of a single finger, allows the adjustment member to be moved one step in one direction or in the other. other, depending on the configuration of the controller. Such an action requires much less skill on the part of the user than the adjustment devices of the prior art.
• the device comprises an additional rack having a plurality of notches, the pusher being pivotable with reference to the control member to act on a first notch of the rack, in a first configuration, and on a second notch of the rack, in the second configuration.
• the conversion mechanism comprises a second pusher arranged to exert pressure, having a component oriented in the longitudinal direction of the bracelet, in the opposite direction, on a second abutment surface mechanically connected to the adjusting member, when the jaw is placed in its inactive position by the knife, the first and second pushers being movable between first and second configurations so that only the first push is active in the first configuration while only the second pusher is active in the second configuration.
• the device comprises an additional rack arranged in engagement with a toothed pinion, the pushers being arranged so as to act on the pinion to rotate in opposite directions of rotation.
• the user can decide, simply by action on the device control member, that is to say without having to act on the bracelet itself, to shorten the latter or to lengthen it. .
• the present invention also relates to a bracelet clasp having a control device according to the characteristics that have just been exposed.
• Figure 1 shows an exploded perspective view of a bracelet clasp according to a first preferred embodiment of the present invention
• Figure 2 shows a top view of a first component of the clasp of Figure 1;
• FIG. 3 shows a sectional view of a second constituent element of the clasp of Figure 1, along the line III-III of Figure 1;
• FIG. 4 represents an exploded perspective view of a bracelet clasp according to a second preferred embodiment of the present invention.
• FIG. 5 shows an exploded perspective view of a bracelet clasp according to a third preferred embodiment of the present invention.
• Figure 6 shows a perspective view of a first constituent element of the clasp of Figure 5;
• FIG. 7 represents a perspective view of a second element constituting the clasp of FIG. 5
• Figures 8a and 8b show schematic views illustrating a detail of operation of the clasp of Figure 5;
• FIG. 9 shows an exploded perspective view of a bracelet clasp according to a variant of the third embodiment illustrated in Figure 5;
• - Figure 10 shows an exploded perspective view of a bracelet clasp according to a fourth preferred embodiment of the present invention
• FIGS. 11a to 11d represent similar sectional views of the bracelet clasp of FIG. 10, in different configurations.
• FIG. 12 represents an exploded perspective view of a bracelet clasp according to a fifth preferred embodiment of the present invention.
• the device for adjusting the useful length of a bracelet illustrated in a nonlimiting manner in the figures is an integral part of a clasp, folding clasp type, and corresponds to a preferred embodiment of the present invention.
• the adjustment device according to the invention can be assembled to a bracelet independently of its clasp, similar to the variants described in EP 1378185 A1 already mentioned.
• the clasp 1 is intended to be connected to two free ends 2 and 3 of a bracelet.
• the clasp comprises a base 5, elongate in the longitudinal direction of the bracelet and slightly curved over at least a portion of its length to better fit the wrist shape of a carrier.
• the base 5 comprises two longitudinal members 6 spaced from one another in the same state of a transverse spacer 8 disposed at a first end of the longitudinal members 6.
• the spacer comprises a cylindrical bore 9 intended to house a bar 10, itself housed in a hollow tube January 1, to ensure the attachment of the base 5 to a cover 12.
• the latter is itself even a fixing member intended to be connected to the first free end 2 of the bracelet, by means of a spring bar 14.
• An unfolding arm 15 formed by two branches 16, 17 is connected to the opposite end of the longitudinal members 6, via a bar assembly 18 - hollow tube 19, disposed in suitable holes.
• a rod 25 is disposed in the pair of holes 22 to ensure the relative correct positioning of the guns
• the second pair of holes 23 is provided to ensure the assembly of the folding arm 15 to a cover 27 of the clasp, by means of two side pushers 28 each having a rod 29 engaging in the corresponding hole 23.
• Springs 30 are interposed between the cover 27 and each of the pushers 28 to exert on the latter a force tending to keep them away from one another.
• the pushers 28 are arranged to act on the branches 16, 17 to bring the u of the other when they are action by a user wishing to open the clasp 1.
• the relative approximation of branches 16 17 has the effect of clearing claws 32 formed on the branches 16, 17 and inserted in complementary recesses 33 formed in the base 5, as has been described in detail in EP 0 913 106 B1.
• the device for adjusting the useful length of the bracelet according to the invention is associated with the basic structure of the clasp 1, being housed in particular under the cover 27.
• the adjusting device comprises a frame 35 made integral with the cover 27 by means of screws 36 and defining a support for an adjusting member 38.
• the frame 35 has recesses of substantially complementary shapes to those of the adjusting member. 38, in particular grooves 40 intended to house tubes 41.
• Springs 42 are disposed inside the tubes 41 having their free end placed in abutment against the bottom of the groove 40 corresponding. Thus, the springs 42 tend to push the adjusting member 38 out of the frame 35, in a direction corresponding to an elongation of the bracelet.
• FIG. 2 represents a detailed top view of the adjustment member 38.
• the adjusting member 38 comprises an elongate base 44 in a direction perpendicular to the longitudinal direction of the bracelet, from the ends of which extend the tubes 41.
• a plate 45 elongated in the longitudinal direction of the bracelet, is integral with the base 44 in its central region and the same side of the base as the tubes.
• a cylinder 46 is integral with the central region of the base 44, on the side opposite that of the plate 45, and is intended to allow the establishment of a mechanical connection with the second free end 3 of the bracelet, by means of a spring bar (reference numeral 48 in Figure 1).
• the plate 45 is provided with two teeth 50, 51, sawtooth, symmetrical with respect to the median plane P of the adjusting member 38 and defining two racks.
• the plate 45 has a recess in its central part, inside which is provided a ladder whose bars 52 are interrupted in their central region and whose function will be explained later.
• the adjusting device also comprises a pair of jaws 54 intended to be disposed in a recess 35 adapted to the frame 35 for cooperating with the teeth of the racks 50, 51.
• Springs 55 are interposed between the jaws 54 and the frame 35 so as to push the jaws towards one another in a locked position, that is to say in which they are positioned in abutment against the teeth 50 51 for immobilizing the adjusting member 38.
• the adjusting device further comprises a control member 56 housed between the cover 27 and the frame 35.
• the control member comprises a control plate 58 arranged in an opening 60 adapted from the cover 27 and intended to be operated by a user. Legs 61 are provided on either side of the control plate to retain the control member in the cover.
• the control member 56 is suspended on the frame 35 by means of four springs 62, each of which has an end housed in a blind hole 64 of the frame 35.
• the adjusting member 38 comprises, on the side opposite to that of the control plate 58, a knife 65 having two surfaces. obliques 66 intended to cooperate with adapted surfaces 67 of the jaws 54, arranged under the scale of the adjustment member, to move them apart from each other and to disengage the racks 50, 51, when the control member is pressured by a user towards the frame 35.
• two pads 68 are formed on either side of the knife 65, the pads having a length significantly less than that of the knife.
• These pads 68 are preferably arranged to fill a stop function, being intended to define the length of displacement undergone by the adjustment member.
• control member 56 and the adjusting member are positioned and dimensioned in such a way that when the first is actuated by a user, it undergoes a displacement. in the direction of the second, such that the knife releases the racks 50, 51, as mentioned above, and such that the force exerted by the springs 42 against the bottom of the grooves 40 tends to move the adjusting member in a direction corresponding to an elongation of the bracelet (that is to say to the right in FIG. 1). This movement takes place until the pads 68 come into contact with substantially inclined abutment surfaces of the bars 52, to fulfill the role of stops.
• the knife 65 releases the jaws 54 just before the pads 68 are released from the bars 52, which guarantees the locking of the adjusting member 38 after it has advanced one step only.
• the adjustment member 38 advances an additional step to lengthen the length of the bracelet, without the user n ' has to intervene at the level of the bracelet.
• the frame 35 advantageously comprises a lip 69 forming a guide support for the adjusting member when the latter is extracted from the frame.
• the specific shape of the teeth of the toothed racks 50, 51 allows the user to shorten the bracelet by simply pushing the adjustment member inside the clasp 1, by action, for example, on the free end 3 of the bracelet towards the clasp. The teeth then act on the jaws 54 so as to overcome the force of the springs 55.
• Figure 4 shows, in a view similar to the view of Figure 1, a clasp of the same type incorporating a device for adjusting the useful length of the strap according to a second embodiment of the present invention.
• the adjustment member 78 comprises optional guide pillars 81, instead of the tubes 41, while the corresponding recesses 84 of the frame 75 have a suitable shape.
• the central plate 85 of the adjusting member comprises a recess 86 for housing a scale 87 made in the form of a separate part.
• the assembly of the scale 87 in the central plate 85 is carried out by means of a small rod 88 and a spring 89, arranged on either side of the ladder, which, therefore, is mounted in the adjustment member with a small clearance in the longitudinal direction of the bracelet.
• the ladder rests on a bottom 90 of the central plate 85, the bottom being provided with a longitudinal central slot to define a passage for the knife 65.
• the operation of the adjustment device according to this second embodiment is similar to that of the adjusting device according to the first embodiment. However, it is distinguished by the fact that the spring 89 is compressed after the ladder has been moved, under the effect of the action of the pusher 68, the spring then giving a pulse, to relax, to the adjusting member to move it further in the direction of the elongation of the bracelet, that is to say to co mpleter the pa sdu displacement initiated by the action of the pusher.
• Figure 5 shows, in an exploded perspective view, a clasp of the same type as that of Figure 1 incorporating a device for adjusting the useful length of the strap according to a third embodiment of the present invention.
• the adjustment device can adjust the length of the bracelet to shorten or to lengthen it automatically, as has been described above in connection with the lengthening of the bracelet .
• the adjusting device comprises a frame 95 having recesses for accommodating an adjusting member 98 and the jaws 54.
• the frame 95 further comprises two extensions 99, in the longitudinal direction of the bracelet, defining lateral guide surfaces. of the adjustment member 98.
• the latter comprises a central plate 105, enlarged with respect to the previous embodiments, having a recess 106 for housing two toothed bars 107.
• the assembly of the bars 107 in the central plate 105 is effected by means of springs 109. , arranged between each bar and the central plate.
• each bar is mounted in the adjustment member with a small clearance in the direction longitudinal strap.
• the bars rest on a bottom 1 10 of the center plaq ute the 1 05, the bottom eta nt has a slot centra longitudinal to define a passage for the knife 65.
• Each bar 107 is provided with a toothing 1 1 1 oriented towards the cover 27 of the clasp.
• the adjusting device comprises a control member 1 16 consisting of three main parts, namely a support 1 17 on either side of which are arranged a control plate 1 18 and an organ engine 1 19.
• control plate and the motor member are secured to one another by means of a screw (not visible), so that they can slide together relative to the support 1 17, next the longitudinal direction of the bracelet.
• control plate - motor unit can slide between two positions identified by means of ball pawls 122, or other equivalent devices, arranged in the support 1 17 to cooperate with two holes (not visible) under the control plate.
• the support 1 17 is secured to the frame 95 by means of screws 124 arranged to provide a clearance (vertical in Figure 5) between the relative positions of the support and the frame.
• Springs 125 are arranged on the screws to exert a force on the support 1 17 tending to push it towards the cover 27 of the clasp.
• FIG. 6 illustrates, in a perspective view, the structural details of the drive member 1 19. In particular, there is a hole 126 for enabling the setting screw of the driving member to be placed in position. the control plate 1 18.
• the motor member comprises pads 128 arranged on either side of a notch 129.
• the pads 128 are intended to perform a function similar to that of the pads 68 of the previous embodiment, namely act on the teeth of the toothed bars 107 to cause a displacement of the adjustment member.
• FIG. 7 illustrates, in a perspective view, the structural details of the support 1 17. In particular, it is possible to distinguish the blind holes 130 intended to house the ball pawls 122 and the holes 131 intended to allow the placement of the screw 124.
• the support 1 17 carries a knife 65 intended to cooperate with the jaws 54 to open them and release the teeth 134 and 135 of the adjustment member 98.
• FIG. 6 A comparative view of Figures 6 and 7 also makes evident the function of the notch 129, intended to allow the sliding of the motor member 1 19 relative to the support without the first being impeded by the knife 65, dimensioned so as to fit into the notch.
• teeth 134 and 135 have symmetrical teeth in this third preferred embodiment, unlike the saw teeth of the previous embodiments.
• the present embodiment provides that the adjustment device can shorten or lengthen the bracelet according to the needs of its user, by simple action on the control member 1 16.
• the user can select one or the other of these two options by arranging the control plate in that of its positions corresponding to said option.
• FIGS. 8a and 8b schematically illustrate examples of operating modes of the adjustment device which has just been described.
• the knife 65 opens the jaws 54 and at least one of the pads 128 comes into contact with the toothed bar 107 which is associated with it. This contact is made at contact surfaces located on the side of the corresponding teeth which is located on the right side of Figures 5 and 8a.
• the stud 128 exerts a force on the bar tending to push it towards the left of Figures 5 and 8a, which corresponds to a shortening of the bracelet.
• the initial displacement of one of the toothed bars 107 causes a compression of the corresponding spring 109 which, to relax, will transmit a pulse to the adjusting member having the effect to move the latter more, in the same direction.
• teeth are aligned, but in this case two additional springs 109 are preferably provided in addition to those shown, while the pads then act simultaneously.
• the pads 128 have a neutral central position, shown in solid lines, in which an action on the control member causes no consequences.
• the two active configurations of the pads 128 are illustrated in broken lines in FIG. 8a.
• FIG. 8b also illustrates schematically an alternative embodiment based on a relative positioning of the pads and teeth different from that of Figure 8a, the operating principle remaining similar.
• the pad 128 acts on the same tooth, whether in its first or in its second configuration. However, the pressure is exerted on one side or the other, causing a movement in one direction or the other.
• the rear surface of each of the pads 128 acts as a stop surface in relation to the tooth of the bar 107 which follows that which has been pushed back by the stud.
• the association of the pads 128 with the toothed bars 107 thus forms a conversion mechanism for generating a sliding of the adjustment member in the longitudinal direction of the bracelet by a simple pressure on the control member 1 16.
• FIG. 9 represents an exploded perspective view of a bracelet clasp according to a variant of the third embodiment of FIG. 5.
• the two toothed bars of FIG. 5 are made in one piece forming a double bar 137, mounted in the central plate 105 with a certain clearance by means of springs 138.
• teeth of the two bars can be aligned or offset, the relative arrangement of the pads 128 being adapted to the selected solution.
• This variant embodiment has a mode of operation identical to that which has just been described in relation with FIGS. 5 to 7 and which will therefore not be further described here.
• FIG 10 shows an exploded perspective view of a bracelet clasp according to a fourth preferred embodiment of the present invention.
• the basic structure of this clasp is similar to what has been described above, the differences being in the construction and operation of the adjustment device as such.
• the adjustment member 220 is made in one piece and comprises a frame 221 provided with horns 222 for attaching a bracelet end (not shown) and from which extends a tongue 224.
• the tongue 224 includes two lateral racks 225 intended to cooperate with jaws 226, similarly to what has been explained above.
• An additional rack 228 is provided on the upper face of the tongue 224 for the purpose of controlling the movements of the adjusting member during adjustment operations of the length of the bracelet.
• the tongue 224 is intended to rest on a base 230 also playing a guiding role.
• the base 230 comprises open slots 231 in its side walls, intended to cooperate with the fingers 232 provided on the sides of the adjusting member 220, to improve the guiding of the latter in the base 230.
• the slots are also used during assembly of the assembly, to allow the establishment of the adjustment member 220 on the base 230.
• Each jaw 226 is screwed into the base 230, by means of a screw 234, and partially rests in a groove 235 of the base to ensure its proper positioning.
• Each jaw comprises a tooth 236 undergoing the force of a compression spring (not visible) tending to push it out of the jaw and in direction of the corresponding rack 225.
• a screw 238 is secured to the tooth 236 and is arranged to cooperate directly with the lace cremail 225, in order to allow adjustment of the cooperation between the jaw and the toothing of the cremiferium.
• the teeth 236 are adapted to be actuated by a knife 239 carried by the control member 240.
• the latter comprises a support 24 1 associated with a control plate 242, these two elements being integral in translation in the direction perpendicular to the general mean plane of the clasp, while being capable of sliding one relative to each other following the direction longitudinal strap, by the implementation of a fixing by a screw 243, housed in a slot 244 of the control plate 242.
• a ball pawl 245 is mounted in the support 241 so as to cooperate with three blind holes (visible in Figures 1 1 to 1 1 d) formed in the underside of the control plate, for marq uer three relative positions between the seat and the control plate (one position to lengthen the bracelet, one to shorten it and possibly a neutral position).
• the control member 240 is assembled to the base 230 by means of four pins 246 each having an end driven into the support 241 and cooperates with a foot 248 d isposé in a through hole 247 formed in the base 230 , with the interposition of a shoulder collar 249.
• a coil spring 250 is threaded on each of the pins 246 to exert a force on the control member tending to push it away from the base.
• a pusher 252 having the shape of a stirrup or a rocker, is pivotally mounted on the support 241, by means of a rod 254 held in the support via circlips 255.
• An additional rod 256 is carried by the support, next to the pusher 252, to allow the arrangement of two springs 258, 259 acting on the support, on the one hand, and on the pusher, on the other hand, in order to tend to position the latter in a vertical angular position, that is to say substantially perpendicular to the support.
• the pusher has two free ends 260 disposed through slots 261 formed in the port 241, to cooperate with suitable housing (not visible) of the control plate.
• Figures 1 1 to 1 1 d illustrate the various configurations that presents the adjustment device of Figure 10 when it is used to shorten the bracelet ( Figures 1 1 a and 1 1 b) or for the extend ( Figures 11c and 11d).
• control plate acts on the free ends 260 of the pusher 252, thereby pivoting the latter in the support 241.
• the pusher extends in a direction inclined with reference to the normal to the additional rack 228, the base 262 of the pusher being opposite a first notch 264 of the additional rack 228.
• control member 240 can be pressed by the user, as illustrated in Figure 1 1b.
• the base 262 of the pusher engages in the first notch 264 and exerts a force on the additional rack tending to push it towards the left of the figure, in the direction corresponding to a shortening of the wristband .
• the additional rack 228 has moved a step of adjustment in this operation, the base 262 of the pusher then being opposite the notch adjacent to the first notch 264. If the user presses again the The control member 240 from this situation, the additional rack moves a new notch in the direction of a shortening of the bracelet.
• the additional rack 228 has moved a step of adjustment in this operation, the base 262 of the pusher then being opposite the notch adjacent to the second notch 264. If the user presses again the body of command 240 from this situation, the additional rack moves a new notch in the direction of an elongation of the wristband.
• two pins 266 are advantageously provided in the control plate 242, to define stops in relation to the base 230 and prevent the control member 240 is pressed when the control plate 242 is disposed in its central position.
• Figure 12 shows an exploded perspective view of a bracelet clasp according to a fifth preferred embodiment of the present invention.
• the present embodiment differs substantially from that which precedes, in particular by the structure of the jaws 326 and of the control member 340.
• Each jaw 326 has a lateral extension 327 to ensure its assembly to the base 330 by means of screws 328.
• each extension carries a bearing 332 intended to carry out the mounting of a toothed gear 333 ag in co-operation with the additional crem aill era 228 of the adjustment member 220.
• control plate 342 and the base 341 are made by means of screws 344 through slots 345, formed in the base, and screwed into the control plate.
• the control plate 342 carries first and second bearings 346, each arranged to support a rod 347 defining an axis of rotation for a pusher 348.
• Each rod 347 further carries a spring 349 arranged to cooperate on the one hand, with the control plate and, on the other hand, with the corresponding pusher, to maintain the latter in the raised position.
• the base 341 is provided with windows 350 and 351 through which the push-buttons 348 are arranged, such as the manner in which the control plate 342 can slide with reference to the base 341.
• the push-buttons can be adjusted be arranged in first and second configurations, depending on the relative position between the control board and the support.
• control member 340 is mounted on the base 330 so as to be able to move in translation, following a direction substantially perpendicular to the additional rack 228, in response to a predefined action. of the user.
• a single pusher 348 is active, that is to say is located within range of the pinion 333, and is likely to rotate when the control member is pressed. by the user.
• the pusher 348 on the right approaches the toothed pinion 333 and is capable of rotating in the clockwise direction when the control member is operated by the user.
• the pusher is retracted by passing the pinion when the control member is released and back to its rest position, under the effect of the action of the springs 250.
• the second pusher is also retracted by passing the pinion when the control member is released and back to its rest position, under the effect of the action of the springs 250.
• a device for adjusting the useful length of a bracelet with the characteristics of the present invention.
• a conversion mechanism arranged to convert an action of a user on the control member of the device into a sliding of its adjustment member, with a predefined adjustment step, and to allow adjustment of the useful length of the bracelet by a simple pressure on the control member.
• the bars (first and second embodiments) or teeth of the bars (third embodiment) are aligned but could alternatively be offset relative to each other without departing from the scope of the present invention.
• the pads would of course have appropriate positions.
• control plate assembly 1 18 - 1 19 motor member slides in a direction perpendicular to the longitudinal direction of the bracelet to perform the selection of the elongation or the shortening of the bracelet.
• the studs would then be arranged so that each would have two alternative positions, one in which it would be in range of the corresponding toothing and the other in which it would be out of reach of the toothing, the relative positions of the two studs being out of phase. .

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• 2010
  • 2010-05-11 EP EP10731484A patent/EP2568846A1/de not_active Withdrawn
  • 2010-05-11 WO PCT/EP2010/056509 patent/WO2011141061A1/fr active Application Filing

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