EP1203541A1 - Armbandverschluss mit automatischer Schliessung - Google Patents

Armbandverschluss mit automatischer Schliessung Download PDF

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Publication number
EP1203541A1
EP1203541A1 EP00403069A EP00403069A EP1203541A1 EP 1203541 A1 EP1203541 A1 EP 1203541A1 EP 00403069 A EP00403069 A EP 00403069A EP 00403069 A EP00403069 A EP 00403069A EP 1203541 A1 EP1203541 A1 EP 1203541A1
Authority
EP
European Patent Office
Prior art keywords
bracelet
buckle according
axis
lever
rotation
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.)
Withdrawn
Application number
EP00403069A
Other languages
English (en)
French (fr)
Inventor
Christian Cartier
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.)
Chanel SARL
Original Assignee
G&F Chatelain 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 G&F Chatelain SA filed Critical G&F Chatelain SA
Priority to EP00403069A priority Critical patent/EP1203541A1/de
Publication of EP1203541A1 publication Critical patent/EP1203541A1/de
Withdrawn legal-status Critical Current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
    • A44C5/18—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

Definitions

  • the present invention relates to a closure loop automatic for watch strap. It concerns more particularly a loop of the type in which the two ends of the bracelet remain permanently tied, too both in the open position and in the closed position of the loop.
  • the object of the present invention is to avoid this type disadvantage by proposing a watch strap buckle in which, when a tensile force is exerted on the two strands of the bracelet the result of this effort not only does it not tend towards the opening of the bracelet but on the contrary to increase the effort to close it.
  • the present invention thus relates to a loop, in particular for a watch strap, of the type comprising at least a set of two levers joined by an axis of rotation at one of their respective ends, and at the ends free of which are fixed, on respective bosses, the two bracelet elements to be joined, the bosses comprising means for holding in the closed position, characterized in that one of the bosses comprises at least a toggle element mounted for rotation about an axis of pivoting of which an active area is able to come into contact with the bottom of a groove parallel to this axis of pivoting carried out in the second boss so that, in closed position, the contact area between the area active of the toggle element and the wall of the groove is on the inner side of the bracelet, i.e. user side with respect to a straight line joining the center of the axis of rotation at the center of the axis of pivoting of the toggle joint, and, in the open position, the contact area is on the other side of said line.
  • the knee brace will preferably be deformable and this deformability may be conferred on it, in particular by the nature of the material in which it is made either by the particular form that will be given to this element. It may thus in particular be made of a material elastic deformable or be made of a material thin metal.
  • the pivot axis may include a flat and the knee brace will then have an area suitable for applying against this flat, so as to ensure immobilization and elastic knee support in position opening of the loop.
  • the knee brace may also include means of elastic stresses in rotation, in the direction of the opening, and stop means stopping its rotation, in a position such as engaging the end the lever with the knee lever is ensured when requests said lever in the closing direction.
  • the pivot axis can be arranged so transverse to the levers and we can do call to two adjacent knee pads.
  • the loop according to the invention essentially consists of two levers articulated at one of their ends around a axis 4, namely a main lever 1 which is provided with a central and longitudinal slot 3 whose width is such that it allows it to accommodate the second lever 5 when these two levers are in the folded position or buckle closing position.
  • Each of the ends free of levers 1 and 5 ends with a boss central, respectively 13 and 15.
  • the boss 13 is drilled a transverse orifice receiving an axis 9 which protrudes by on either side of the boss and on which come articulate links 17 (shown in dotted lines on the drawing of Figure 4) which form a strand 7 of bracelet.
  • the boss 15 is also crossed by a transverse hole in which an axis is embedded 11 ensuring the maintenance of links 19 constituting the second strand 10 of the bracelet.
  • the boss 13 is hollowed out, on the side of the central slot 3, a recess 12 of the same width as this which is crossed by a transverse axis 21 around which is mounted articulated a kneepad 23.
  • the active part of this last, which is located outside the recess 12 is shaped of rounded V 23a.
  • the front part of lever 5 is hollowed out with a transverse groove 25 which, in the position of closure ( Figure 3) receives the active rounded V end 23a of the kneepad 23.
  • the contact line, represented by point O in Figure 3, between the bottom of the groove 25 and the active rounded V end 23a of the kneepad 23 is located towards the inside of the loop with respect to the line AA 'joining the center A of the axis of rotation 21 of the toggle 23 and the center A 'of the axis of rotation 4 of the two levers 1 and 5.
  • the loop according to the invention may include means for rotating the knee lever 23 to bring it into the upper tilt position (opening), as shown in Figure 1.
  • These means can be constituted for example by a spring of twist or a metal or plastic pin not shown in the drawing.
  • the knee brace 23 could also be made in an elastic type material, so that its rotation would be done with friction so that, once in open position, as shown in FIG. 1, she would keep that position, so that she could be rotated by the free end of the lever 5 when there is exerted on it a force F opposite to the opening effort F '.
  • Such an embodiment is particularly also interesting since such a knee brace 23 would then be able to absorb the stresses and deformations that are necessary when closing bracelet thus avoiding the other elements of it, such as in particular the axes of rotation, having to undergo such constraints and deformations.
  • the rear part 23b of the knee brace 23 has such a shape that in position opening, as shown in Figure 1, this anterior part comes into contact with the internal face of the recess 12 so as to limit the rotation undergone by the knee brace 23 under the effect of elastic means C.
  • This shape of the front part 23a of the knee brace will be such that in the open position its active part is shaped of V with rounded tip lets pass the front part and lower of the free end of lever 5 but comes nevertheless in contact with the upper area of the cavity 25 when one exerts on the free end of the lever 5 a force F intended to cause the closure of the loop.
  • FIG. 5 thus represents such a mode for implementing the invention in which the knee brace 23 has a vertical and longitudinal slot 27 which receives a torsion spring 28 of the so-called “pin” type one of the branches of which bears on the internal face of the recess 12, and the other branch is supported on the bottom of the slot 27 and which thus exerts a torque around the transverse axis 21 in the direction of arrow C.
  • the knee brace 23 is furthermore provided with slots.
  • transverse 29, 29 ' which give it a capacity of deformation which avoids, as in the embodiment shown in Figures 1 to 4, to exercise significant strain constraints on others elements of the bracelet when the contact zone O passes across the line AA '.
  • Such a mode of implementation work is interesting insofar as it spares mechanical other elements of the bracelet.
  • Such a mode of implementation can of course be carried out with a metal knee brace or a knee brace made in a other type of material.
  • the knee brace does not consist of an element "Cut in the mass” but of a sheet steel element folded 31, one end of which is wound around the axis transverse 21 and the other end is folded so that form a V-shaped active area with a rounded tip.
  • the stiffness characteristics of this element will determined so that it exerts on the secondary lever 5 sufficient effort to keep it in place in closed position, while being flexible enough to deform when the contact zone O passes from one side to side of line AA '.
  • the axis 21 has a flat 33 which is intended to cooperate with a part folded 35 of the spring 31 so that in the open position, as shown in Figure 7, the spring is held in position by elastic contact of its part 35 on the flat 33.
  • the spring 31 thus retains its position, if although when exercising on the secondary lever 5 a closing force directed in direction F, the bottom of cavity 25 comes into contact with the front or active part of the spring 31 and drives the latter during of the closure.
  • knee pads movable in rotation around arranged axes along the longitudinal direction of the loop.

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  • Buckles (AREA)
EP00403069A 2000-11-06 2000-11-06 Armbandverschluss mit automatischer Schliessung Withdrawn EP1203541A1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP00403069A EP1203541A1 (de) 2000-11-06 2000-11-06 Armbandverschluss mit automatischer Schliessung

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP00403069A EP1203541A1 (de) 2000-11-06 2000-11-06 Armbandverschluss mit automatischer Schliessung

Publications (1)

Publication Number Publication Date
EP1203541A1 true EP1203541A1 (de) 2002-05-08

Family

ID=8173933

Family Applications (1)

Application Number Title Priority Date Filing Date
EP00403069A Withdrawn EP1203541A1 (de) 2000-11-06 2000-11-06 Armbandverschluss mit automatischer Schliessung

Country Status (1)

Country Link
EP (1) EP1203541A1 (de)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2524614A1 (de) 2011-05-19 2012-11-21 Boucledor SA Verschluss mit Klappöse
EP2721943A1 (de) * 2012-10-16 2014-04-23 Rolex Sa Elastisches Gelenk für Uhrzusammenbau
CN103767256B (zh) * 2012-10-16 2016-11-30 劳力士有限公司 钟表组件的弹性铰接

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1771249A (en) * 1929-12-31 1930-07-22 Hadley Company Inc Bracelet attachment
GB2091336A (en) * 1980-12-17 1982-07-28 Citizen Watch Co Ltd Buckle for watch bands
WO1998008409A1 (fr) * 1996-08-27 1998-03-05 Gay Freres Vente Et Exportation S.A. Fermoir a bras depliants
FR2754435A1 (fr) * 1996-10-16 1998-04-17 Boucledor Sa Fermoir a boucle deployante comprenant une genouillere

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1771249A (en) * 1929-12-31 1930-07-22 Hadley Company Inc Bracelet attachment
GB2091336A (en) * 1980-12-17 1982-07-28 Citizen Watch Co Ltd Buckle for watch bands
WO1998008409A1 (fr) * 1996-08-27 1998-03-05 Gay Freres Vente Et Exportation S.A. Fermoir a bras depliants
FR2754435A1 (fr) * 1996-10-16 1998-04-17 Boucledor Sa Fermoir a boucle deployante comprenant une genouillere

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2524614A1 (de) 2011-05-19 2012-11-21 Boucledor SA Verschluss mit Klappöse
EP2721943A1 (de) * 2012-10-16 2014-04-23 Rolex Sa Elastisches Gelenk für Uhrzusammenbau
CN103767256A (zh) * 2012-10-16 2014-05-07 劳力士有限公司 钟表组件的弹性铰接
CN103767256B (zh) * 2012-10-16 2016-11-30 劳力士有限公司 钟表组件的弹性铰接
US9635911B2 (en) 2012-10-16 2017-05-02 Rolex Sa Elastic articulation for horological assembly

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