EP2870893B1 - Bracelet clasp - Google Patents
Bracelet clasp Download PDFInfo
- Publication number
- EP2870893B1 EP2870893B1 EP13192011.8A EP13192011A EP2870893B1 EP 2870893 B1 EP2870893 B1 EP 2870893B1 EP 13192011 A EP13192011 A EP 13192011A EP 2870893 B1 EP2870893 B1 EP 2870893B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- base element
- side bars
- clasp
- folding part
- free end
- 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.)
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Images
Classifications
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- 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
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- Y—GENERAL 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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T24/00—Buckles, buttons, clasps, etc.
- Y10T24/21—Strap tighteners
- Y10T24/2143—Strap-attached folding lever
- Y10T24/2155—Jewelry-watch straps
-
- Y—GENERAL 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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T24/00—Buckles, buttons, clasps, etc.
- Y10T24/21—Strap tighteners
- Y10T24/2166—Jewelry
-
- Y—GENERAL 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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T24/00—Buckles, buttons, clasps, etc.
- Y10T24/47—Strap-end-attaching devices
- Y10T24/4782—Watch strap
Definitions
- the present invention relates to a clasp type folding clasp it is equipped with two leaflets or a single leaflet, this or these leaflets being articulated on a base member.
- a first embodiment of the invention relates to a folding clasp type clasp comprising a substantially rectangular base member whose first and second long sides are formed respectively of first and second longitudinal members, and first and second pivoting leaflets and articulated on first and second sides of said base member, said leaflets being arranged to be folded over said base member and held therein in response to an elastic device associated with a locking and unlocking mechanism affecting said base member and said leaflets to respectively allow the attachment of said first and second leaflets on said base member and their stall.
- Bracelet clasps as described in the above paragraph are known from the state of the art.
- the document EP 1 925.227 B1 shows a clasp formed of a base and two leaflets arranged to be folded over the base and held therein in response to an elastic device consisting of one or two coil springs.
- the document CH 703294 proposes a clasp composed of a base element on which two leaflets are likely to be folded and held hooked by acting on the elasticity contained in the longitudinal members forming the base element (see in particular the figure 3 of said document). By pushing buttons that are longitudinal members, the leaflets are released from any attachment and the opening of the clasp is allowed.
- base element comprises first and second spars each made of at least two spring blades which constitute said elastic device, a pressure exerted simultaneously on each of the longitudinal members leading to the unlocking of said leaflets of said base member.
- a second embodiment of the invention relates to a folding clasp type clasp comprising a substantially rectangular base member whose first and second long sides are formed respectively of first and second rigid arms and a pivoting leaflet and hinged on one of the short sides of said base member, said leaflet comprising first and second longitudinal members, said leaflet being arranged to be folded over said base member and held therein in response to an elastic device associated with a locking mechanism and unlocking affecting said base member and said leaflet to respectively allow the attachment of said leaflet on said base member and its stall.
- a clasp corresponding substantially to the description given in the paragraph above is set out in the document EP 2502515 which shows a clasp formed of a base comprising two rigid arms and a leaflet arranged to be folded down on this base and to be held there hanging by acting on the elasticity contained in the longitudinal members forming said leaflet (see in particular the figure 1 said leaflet). By pressing pushers integral with the longitudinal members, the leaflet is released from any attachment and the opening of the clasp is allowed.
- the present invention in addition to fulfilling the generic definition expressed in the above paragraph relating to the second embodiment of the invention, is remarkable in that the leaflet comprises first and second spars each made of at least two spring blades which constitute said elastic device, a pressure exerted simultaneously on each of the longitudinal members leading to the unlocking of said leaflet on said base element.
- the Figures 1 and 2 are perspective views of the clasp type clasp clasp which includes a substantially rectangular base member 50.
- This element comprises first and second long sides formed respectively of first 1 and second 2 longitudinal members.
- the clasp further comprises first 3 and second 4 leaflets which are pivotally mounted and hinged respectively on the first and second short sides of the base member 50 around first 60 and second 61 shafts, these shafts being held in place by screws 62.
- the leaflets 3 and 4 are arranged to be folded down on the base element 50 and in particular inside said element as explained by the Figures 1 to 5 .
- Said leaflets 3 and 4 are held in the folded position on the base element 50 in response to an elastic device associated with a locking and unlocking mechanism affecting said base member 50 and said leaflet 3 and 4 to respectively allow the hooking of said first 3 and second 4 leaflets on said base member 50 and then their stalling .
- the clasp of the present invention is distinguished by the originality of the elastic device used and which consists in providing first 1 and second 2 rails each made of at least two spring blades.
- first spar 1 carries the spring blades 5 and 7
- second spar 2 carries the spring blades 6 and 8.
- the present invention thus proposes at least two spring blades to equip each of the longitudinal members constituting the long sides of the base member and not a single blade for the sake of ensuring good rigidity to said base member and thus to avoid buckling.
- the use of thin spring blades by principle brings several advantages. Their manufacture is economical because they can be cut easily, the means used to achieve this cutting being chosen according to the materials chosen for the production of the blades, such as, for example, water jet, laser or stamping. Another advantage lies in the wide choice of materials available, for example composites, amorphous metals or spring steels.
- the properties of the blades can be modified in several ways among which can be mentioned the cutting of the blades in more or less thick sheets, the stacking of the blades and the change of their base material.
- FIGS. 2 and 4 show that this mechanism is composed of first 9 and second 10 hooks carried by the free end 11 that has the first leaflet 3 and third 12 and fourth 13 hooks borne by the free end 14 that has the second leaflet 4.
- the said first 9 and third 12 hooks are arranged to be locked respectively by first and second 16 locks carried by said first spar 1 and said second 10 and fourth 13 hooks are arranged to be locked respectively by third 17 and fourth 18 latches carried by said second spar 2.
- FIGS. 1 to 4 show more particularly that the first 15 and second 16 locks are molded in a first element 65 carried by said first spar 1 and the third 17 and fourth 18 latches are molded in a second element 66 carried by said second spar 2.
- first 19 and second 20 pushers are respectively fixed on said first 1 and second 2 longitudinal members.
- FIGS 1, 2 , 3 and 5 show moreover that we have first 67 and second 68 screws to ensure the respective attachment of the assembly formed by the first pusher 19, the first spar 1 and the first member 65 of the assembly formed by the second pusher 20 , the second spar 2 and the second element 66.
- the spring blades 5, 7 composing the first spar 1 and the spring blades 6, 8 composing the second spar 2 can be mounted contiguous and the drawings do not mention this construction.
- the figures show that these blades are separated by solid spacers 21. This avoids the problems that may present friction and corrosion between the blades. Note that these spacers also reduce the possible warping of the base element is its torsion resistance. It will also be noted that the spaces left free between the solid spacers 21 could be filled with a soft filling material, for example rubber.
- the Figures 6 and 7 are perspective views of the clasp type clasp clasp which includes a substantially rectangular base member.
- This element comprises first and second long sides formed respectively of first 31 and second 32 rigid arms.
- the clasp still includes a flyer 33 which is pivotally mounted and articulated on one of the short sides of said base member 30 around a shaft 70 forming said small side, this shaft being held in place by screws 71.
- the leaflet 33 includes first and second spars 34 and is arranged to be folded over the basic element 30 and in particular inside said element as the explicit well the figures 6.7 and 8 .
- the leaflet 33 is held in the folded position on the base member 30 in response to an elastic device associated with a locking and unlocking mechanism affecting said base member 30 and said leaflet 33 to respectively allow the attachment of said leaflet 33 on said base member 30 and its stall.
- the clasp of the present invention is distinguished by the originality of the elastic device used and which consists in providing first 34 and second longitudinal members each made of at least two spring blades.
- first spar 34 carries the spring blades 36 and 37 and the second spar 35 carries the spring blades 38 and 39.
- the present invention therefore proposes at least two spring blades to equip each of the longitudinal members fitted to the leaflet and not a single blade for the sake of ensuring good rigidity to said leaflet and thus to avoid buckling of the side members.
- the use of thin spring blades in principle provides the same advantages as those enumerated above with respect to the first embodiment of the clasp and the reader is referred to this text.
- FIGS. 7 and 9 show that this mechanism is composed of first 40 and second 41 hooks respectively carried towards the free end 49 of the first 31 and second 32 rigid arms. Said first 40 and second 41 hooks are arranged to be locked respectively by first 42 and second 43 latches respectively by said first 34 and second longitudinal members towards the free end of the spring blades constituting them.
- the spring blades 36, 37 making up the first spar 34 and the spring blades 38, 39 composing the second spar 35 can be mounted contiguous and the drawings do not mention this construction.
- the figures show that these blades are separated by solid spacers designated 47 for those which separate the spring blades at their articulation on the base member 30 and 51 for those which separate said spring blades at their free end. This avoids problems that can present friction and corrosion between the blades, as has already been said about the first embodiment.
- the space left free between the spring blades could be filled by a soft material, for example rubber.
- each of the longitudinal members which comprises a pusher, two spring blades, a spacer and a lock.
- the Figures 6 and 7 propose one of these constructions.
- an elongate spacer 51 is sandwiched between the spring blades 36 and 37 forming the spar 34.
- the latch 42 may be retained by the hook 40 carried by the arm rigid 31 of the base member 30.
- the pusher 45 is fixed to the beam 34 on the outer face of the first leaf spring 36 by screws 52 screwed into a counterpart 53 applied on the outer face of the second leaf spring 37.
- the same construction is adopted for the spar 35.
- a first strand of the bracelet including the strand of 12 hours if the bracelet is attached to a watch.
- the fixing will be done for example by means of a bar passing through holes 54 drilled at the end of the spacers 51.
- a bridge 55 which connects the first 31 and second 32 rigid arms, bridge on which is fixed a pin 56 for receiving a second strand of the bracelet, including the 6 hour strand with perforation this fixation allowing moreover the adjustment of the length of the bracelet.
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- Buckles (AREA)
- Adornments (AREA)
Description
La présente invention concerne un fermoir du type à boucle déployante qu'il soit équipé de deux dépliants ou d'un seul dépliant, ce ou ces dépliants étant articulés sur un élément de base.The present invention relates to a clasp type folding clasp it is equipped with two leaflets or a single leaflet, this or these leaflets being articulated on a base member.
Un premier mode d'exécution de l'invention est relatif à un fermoir du type à boucle déployante comprenant un élément de base sensiblement rectangulaire dont les premier et second grands côtés sont formés respectivement de premier et second longerons, et des premier et second dépliants pivotant et articulés sur des premier et second côtés dudit élément de base, lesdits dépliants étant arrangés pour être rabattus sur ledit élément de base et y être maintenu en réponse à un dispositif élastique associé à un mécanisme de verrouillage et de déverrouillage affectant ledit élément de base et lesdits dépliants pour permettre respectivement l'accrochage desdits premier et second dépliants sur ledit élément de base puis leur décrochage.A first embodiment of the invention relates to a folding clasp type clasp comprising a substantially rectangular base member whose first and second long sides are formed respectively of first and second longitudinal members, and first and second pivoting leaflets and articulated on first and second sides of said base member, said leaflets being arranged to be folded over said base member and held therein in response to an elastic device associated with a locking and unlocking mechanism affecting said base member and said leaflets to respectively allow the attachment of said first and second leaflets on said base member and their stall.
Des fermoirs de bracelet répondant à la description donnée au paragraphe ci-dessus sont connus de l'état de la technique.Bracelet clasps as described in the above paragraph are known from the state of the art.
Le document
La solution proposée par le document
Pour apporter une réponse à la question posée ci-dessus, la présente invention, outre qu'elle obéit à la définition générique exprimée au deuxième paragraphe de cette description relatif au premier mode d'exécution de l'invention, est remarquable en ce que l'élément de base comporte des premier et second longerons faits chacun d'au moins deux lames à ressort qui constituent ledit dispositif élastique, une pression exercée simultanément sur chacun des longerons conduisant au déverrouillage desdits dépliants dudit élément de base.To provide an answer to the question posed above, the present invention, in addition to fulfilling the generic definition expressed in the second paragraph of this description relating to the first embodiment of the invention, is remarkable in that base element comprises first and second spars each made of at least two spring blades which constitute said elastic device, a pressure exerted simultaneously on each of the longitudinal members leading to the unlocking of said leaflets of said base member.
Un second mode d'exécution de l'invention est relatif à un fermoir du type à boucle déployante comprenant un élément de base sensiblement rectangulaire dont les premier et second grands côtés sont formés respectivement de premier et second bras rigides et un dépliant pivotant et articulé sur l'un des petits côtés dudit élément de base, ledit dépliant comprenant des premier et second longerons, ce dépliant étant arrangé pour être rabattu sur ledit élément de base et y être maintenu en réponse à un dispositif élastique associé à un mécanisme de verrouillage et de déverrouillage affectant ledit élément de base et ledit dépliant pour permettre respectivement l'accrochage dudit dépliant sur ledit élément de base puis son décrochage.A second embodiment of the invention relates to a folding clasp type clasp comprising a substantially rectangular base member whose first and second long sides are formed respectively of first and second rigid arms and a pivoting leaflet and hinged on one of the short sides of said base member, said leaflet comprising first and second longitudinal members, said leaflet being arranged to be folded over said base member and held therein in response to an elastic device associated with a locking mechanism and unlocking affecting said base member and said leaflet to respectively allow the attachment of said leaflet on said base member and its stall.
Un fermoir répondant sensiblement à la description donnée au paragraphe ci-dessus est exposé dans le document
La solution proposée par ce document pose cependant la question qui consiste à assurer au dépliant une bonne rigidité constructive tout en conférant aux longerons le constituant l'élasticité nécessaire au bon maintien dudit dépliant sur ledit élément de base et en permettant la limitation dudit dépliant quand une force est exercée sur lesdits longerons.The solution proposed by this document, however, raises the question of ensuring the leaflet a good constructive rigidity while giving the longitudinal members the constituent elasticity necessary for the proper maintenance of said leaflet on said base element and allowing the limitation of said leaflet when a force is exerted on said longitudinal members.
Pour apporter une réponse à la question posée ci-dessus, la présente invention, outre qu'elle obéit à la définition générique exprimée au paragraphe ci-dessus relatif au second mode d'exécution de l'invention, est remarquable en ce que le dépliant comporte des premier et second longerons faits chacun d'au moins deux lames à ressort qui constituent ledit dispositif élastique, une pression exercée simultanément sur chacun des longerons conduisant au déverrouillage dudit dépliant sur le dit élément de base.To provide an answer to the question posed above, the present invention, in addition to fulfilling the generic definition expressed in the above paragraph relating to the second embodiment of the invention, is remarkable in that the leaflet comprises first and second spars each made of at least two spring blades which constitute said elastic device, a pressure exerted simultaneously on each of the longitudinal members leading to the unlocking of said leaflet on said base element.
Les caractéristiques et avantages de la présente invention ressortiront de la description qui va suivre, faite en regard des dessins annexés et donnant à titre d'exemple explicatif, mais nullement limitatif, deux formes avantageuses d'exécution d'un fermoir, dessins dans lesquels :
- la
figure 1 est une vue en perspective du fermoir selon l'invention et exécuté selon la première forme d'exécution où sur l'élément de base sont rabattus deux dépliants, - la
figure 2 est une vue en perspective du fermoir exécuté selon lafigure 1 , les dépliants étant montrés décrochés de l'élément de base, - la
figure 3 est une représentation vue en plan du fermoir exécuté selon lafigure 1 , - la
figure 4 est une coupe exécutée selon la ligne IV-IV de lafigure 3 , - la
figure 5 est une coupe exécutée selon ligne V-V de lafigure 3 , - la
figure 6 est une vue en perspective du fermoir selon l'invention et exécuté selon la seconde forme d'exécution où sur l'élément de base est rabattu un seul dépliant, - la
figure 7 est une vue en perspective du fermoir exécuté selon lafigure 6 , le dépliant étant montré déroché de l'élément de base, - la
figure 8 est une représentation vue en plan du fermoir exécuté selon lafigure 6 , et - la
figure 9 est une coupe exécutée selon la ligne IX - IX de lafigure 8 .
- the
figure 1 is a perspective view of the clasp according to the invention and executed according to the first embodiment where on the base element are folded two leaflets, - the
figure 2 is a perspective view of the clasp executed according to thefigure 1 , the leaflets being shown off the base element, - the
figure 3 is a plan view of the clasp executed according to thefigure 1 , - the
figure 4 is a section executed along line IV-IV of thefigure 3 , - the
figure 5 is a cut executed according to line VV of thefigure 3 , - the
figure 6 is a perspective view of the clasp according to the invention and executed according to the second embodiment where on the base element is folded a single leaflet, - the
figure 7 is a perspective view of the clasp executed according to thefigure 6 , the leaflet being shown deroche of the basic element, - the
figure 8 is a plan view of the clasp executed according to thefigure 6 , and - the
figure 9 is a section executed along line IX - IX of thefigure 8 .
Les
Les
Par rapport à ce qui vient d'être dit ci-dessus, en principe connu de documents antérieurs, le fermoir de la présente invention se distingue par l'originalité du dispositif élastique mis en oeuvre et qui consiste à proposer des premier 1 et second 2 longerons faits chacun d'au moins deux lames à ressort. Sur les dessins des
La présente invention propose ainsi au moins deux lames à ressort pour équiper chacun des longerons constituant les grands côtés de l'élément de base et non une seule lame par souci d'assurer une bonne rigidité audit élément de base et d'éviter ainsi son gauchissement. D'autre part l'utilisation de lames à ressort minces par principe, apporte plusieurs avantages . Leur fabrication est économique car elles peuvent être découpées aisément, les moyens utilisés pour réaliser cette découpe étant choisis en fonction des matériaux choisis pour la réalisation des lames, comme par exemple, le jet d'eau, le laser ou l'étampage. Un autre avantage réside dans le large choix des matériaux à disposition, par exemple des composites, des métaux amorphes ou des aciers pour ressort. Enfin on peut mentionner que les propriétés des lames peuvent être modifiées de plusieurs façons parmi lesquelles on peut citer le découpage des lames dans des feuilles plus ou moins épaisses, l'empilage des lames et le changement de leur matière de base.The present invention thus proposes at least two spring blades to equip each of the longitudinal members constituting the long sides of the base member and not a single blade for the sake of ensuring good rigidity to said base member and thus to avoid buckling. . On the other hand the use of thin spring blades by principle, brings several advantages. Their manufacture is economical because they can be cut easily, the means used to achieve this cutting being chosen according to the materials chosen for the production of the blades, such as, for example, water jet, laser or stamping. Another advantage lies in the wide choice of materials available, for example composites, amorphous metals or spring steels. Finally, it can be mentioned that the properties of the blades can be modified in several ways among which can be mentioned the cutting of the blades in more or less thick sheets, the stacking of the blades and the change of their base material.
Ici l'empilage d'au moins deux lames à ressort permet de doubler la raideur du ressort tout en conservant la flèche que procure une seule lame. Si trois lames étaient utilisées, la raideur de l'ensemble triplerait selon la formule
où K est la raideur de l'ensemble, n le nombre de lames et k la raideur d'une lame. Autrement dit, avec au moins deux lames à ressort équipant chacune des longerons, on double la force nécessaire pour décrocher les dépliants de l'élément de base tout en conservant le même chemin à parcourir pour ce décrochage.Here the stack of at least two spring blades doubles the stiffness of the spring while maintaining the arrow that provides a single blade. If three blades were used, the stiffness of the whole would triple according to the formula
where K is the stiffness of the set, n the number of blades and k the stiffness of a blade. In other words, with at least two spring blades equipping each of the longitudinal members, it doubles the force required to pick up the leaflets of the base element while maintaining the same path to go for this stall.
On va décrire maintenant le mécanisme de verrouillage et de déverrouillage mis en oeuvre respectivement pour accrocher et décrocher les premier 3 et second 4 dépliants sur l'élément de base 50. Les
Les
On comprendra qu'une pression latérale exercée sur chacun des longerons 1 et 2 rapprochera les verrous 15 et 17 (voir
Les lames à ressort 5, 7 composant le premier longeron 1 et les lames à ressort 6, 8 composant le second longeron 2 peuvent être montées jointives et les dessins ne font pas état de cette construction. Les figures montrent que ces lames sont séparées par des entretoises solides 21. On évite de cette façon les problèmes que peuvent présenter le frottement et la corrosion entre les lames. A noter que ces entretoises diminuent également le gauchissement possible de l'élément de base soit sa résistance à la torsion. On notera encore que les espaces laissés libres entre les entretoises solides 21 pourraient être comblés avec un matériau de remplissage mou, par exemple du caoutchouc.The
Bien que non représenté sur les figures, il va de soi qu'à l'extrémité libre 11 du premier dépliant 3 est fixé un premier brin du bracelet et qu'à l'extrémité libre 14 du second dépliant 4 est fixé un second brin du bracelet.Although not shown in the figures, it is obvious that at the
Les
Les
Par rapport à ce qui vient d'être dit ci-dessus, le fermoir de la présente invention se distingue par l'originalité du dispositif élastique mis en oeuvre et qui consiste à proposer des premier 34 et second 35 longerons faits chacun d'au moins deux lames à ressort. Sur les dessins des
La présente invention propose donc au moins deux lames à ressort pour équiper chacun des longerons équipant le dépliant et non une seule lame par souci d'assurer une bonne rigidité audit dépliant et d'éviter ainsi le gauchissement des longerons. Par ailleurs, l'utilisation de lames à ressort minces par principe apporte les mêmes avantages que ceux énumérés ci-dessus à propos du premier mode d'exécution du fermoir et le lecteur est renvoyé à ce texte.The present invention therefore proposes at least two spring blades to equip each of the longitudinal members fitted to the leaflet and not a single blade for the sake of ensuring good rigidity to said leaflet and thus to avoid buckling of the side members. On the other hand, the use of thin spring blades in principle provides the same advantages as those enumerated above with respect to the first embodiment of the clasp and the reader is referred to this text.
On va décrire maintenant le mécanisme de verrouillage et de déverrouillage mis en oeuvre respectivement pour accrocher et décrocher le dépliant 33 sur et de l'élément de base 30. Les
On comprendra qu'une pression latérale exercée sur chacun des longerons 34 et 35 rapprochera les verrous 42 et 43 et les dégageront respectivement des crochets 40 et 41 portés par les bras rigides 31 et 32 de l'élément de base 30 (voir
Les lames à ressort 36, 37 composant le premier longeron 34 et les lames à ressort 38, 39 composant le second longeron 35 peuvent être montées jointives et les dessins ne font pas état de cette construction. Ici les figures montrent que ces lames sont séparées par des entretoises solides désignées par 47 pour celles qui séparent les lames à ressort à leur articulation sur l'élément de base 30 et par 51 pour celles qui séparent lesdites lames à ressort à leur extrémité libre. On évite de cette façon des problèmes que peuvent présenter le frottement et la corrosion entre les lames, comme cela a déjà été dit à propos du premier mode d'exécution. On notera qu'ici aussi, l'espace laissé libre entre les lames à ressort pourrait être comblé par un matériau mou, par exemple du caoutchouc.The
Plusieurs constructions peuvent être envisagées pour équiper l'extrémité libre de chacun des longerons qui comprend un poussoir, deux lames à ressort, une entretoise et un verrou. Les
On mentionnera encore qu'à l'extrémité libre 48 du dépliant 33 est fixé un premier brin du bracelet, notamment le brin des 12 heures si le bracelet est attaché à une montre. Ici la fixation se fera par exemple au moyen d'une barrette traversant des trous 54 percés à l'extrémité des entretoises 51.Note also that at the
De même à l'extrémité libre 49 de l'élément de base 30 est disposé un pont 55 qui relie les premier 31 et second 32 bras rigides, pont sur lequel est fixé un téton 56 destiné à recevoir un second brin du bracelet, notamment le brin de 6 heures muni de perforation cette fixation permettant de surcroît le réglage de la longueur du bracelet.Likewise at the
Claims (12)
- Bracelet clasp of the type with a deployant buckle including a substantially rectangular base element (50) whose first and second long sides are respectively formed of first (1) and second (2) side bars, and first (3) and second (4) pivoting folding parts hinged respectively on the first and second small sides of said base element (50), said folding parts (3, 4) being arranged to be folded down onto said base element (50) and held there in response to an elastic device associated with a locking and unlocking mechanism acting on said base element (50) and said folding parts (3, 4) to respectively allow said first (3) and second (4) folding parts to be locked onto said base element (50) and then disengaged therefrom, characterized in that the first (1) and second (2) side bars are each formed of at least two leaf springs (5, 6, 7, 8) which form said elastic device, a pressure simultaneously exerted on each of the side bars (1, 2) causing the unlocking of said folding parts (3, 4) from said base element (50).
- Clasp according to claim 1, characterized in that the locking and unlocking mechanism is formed of first (9) and second (10) hooks carried by the free end (11) of the first folding part (3) and of third (12) and fourth (13) hooks carried by the free end (14) of the second folding part (4), said first (9) and third (12) hooks being arranged to be respectively locked by first (15) and second (16) locks carried by said first side bar (1) and said second (10) and fourth (13) hooks being arranged to be respectively locked by third (17) and fourth (18) locks carried by said second side bar (2).
- Clasp according to claim 1, characterized in that the first (1) and second (2) side bars respectively carry first (19) and second (20) push-pieces.
- Clasp according to claim 1, characterized in that said leaf springs (5, 6; 7, 8) each forming said first (1) and second (2) side bars are contiguously mounted.
- Clasp according to claim 1, characterized in that said leaf springs (5, 6; 7, 8) each forming said first (1) and second (2) side bars are separated by solid spacers (21).
- Clasp according to claim 1, characterized in that a first bracelet strand is fixed to the free end (11) of said first folding part (3) and a second bracelet strand is fixed to the free end (14) of said second folding part (4).
- Bracelet clasp of the type with a deployant buckle including a substantially rectangular base element (30) whose first and second long sides are respectively formed of first (31) and second (32) stiff arms, and a pivoting folding part (33) hinged on one of the small sides of said base element (30), said folding part (33) including first (34) and second (35) side bars, said folding part (33) being arranged to be folded down onto said base element (30) and held there in response to an elastic device associated with a locking and unlocking mechanism acting on said base element (30) and said folding part (33) to respectively allow said folding part (33) to be locked onto said base element (30) and then disengaged therefrom, characterized in that the first (34) and second (35) side bars are each formed of at least two leaf springs (36, 37; 38, 39) which form said elastic device, a pressure simultaneously exerted on each of the side bars (34, 35) causing the unlocking of said folding part (33) from said base element (30).
- Clasp according to claim 7, characterized in that the locking and unlocking mechanism is formed of first (40) and second (41) hooks respectively carried towards the free end of said first (31) and second (32) stiff arms, said first (40) and second (41) hooks being arranged to be locked respectively by first (42) and second (43) locks carried respectively by said first (34) and second (35) side bars.
- Clasp according to claim 7, characterized in that the first (34) and second (35) side bars respectively carry first (45) and second (46) push-pieces.
- Clasp according to claim 7, characterized in that the leaf springs (36, 37; 38, 39) each forming the first (34) and second (35) side bars are contiguously mounted.
- Clasp according to claim 7, characterized in that the leaf springs (36, 37; 38, 39) each forming the first (34) and second (35) side bars are separated by solid spacers (47, 51).
- Clasp according to claim 7, characterized in that a first bracelet strand is fixed to the free end (48) of the folding part (33) and a second bracelet strand is fixed to the free end (49) of the base element (30).
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP13192011.8A EP2870893B1 (en) | 2013-11-07 | 2013-11-07 | Bracelet clasp |
US14/519,668 US9173460B2 (en) | 2013-11-07 | 2014-10-21 | Bracelet clasp |
JP2014224998A JP5834126B2 (en) | 2013-11-07 | 2014-11-05 | Bracelet clasp |
CN201410643096.3A CN104621872B (en) | 2013-11-07 | 2014-11-07 | Chain clasp |
HK15111374.6A HK1210580A1 (en) | 2013-11-07 | 2015-11-18 | Bracelet clasp |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP13192011.8A EP2870893B1 (en) | 2013-11-07 | 2013-11-07 | Bracelet clasp |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2870893A1 EP2870893A1 (en) | 2015-05-13 |
EP2870893B1 true EP2870893B1 (en) | 2016-06-08 |
Family
ID=49553586
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP13192011.8A Active EP2870893B1 (en) | 2013-11-07 | 2013-11-07 | Bracelet clasp |
Country Status (5)
Country | Link |
---|---|
US (1) | US9173460B2 (en) |
EP (1) | EP2870893B1 (en) |
JP (1) | JP5834126B2 (en) |
CN (1) | CN104621872B (en) |
HK (1) | HK1210580A1 (en) |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2644050B1 (en) * | 2012-03-27 | 2016-05-25 | Rolex S.A. | Opening clasp for bracelet |
US9826789B2 (en) | 2014-08-09 | 2017-11-28 | Apple Inc. | Milanese band |
US9980539B2 (en) | 2014-08-11 | 2018-05-29 | Apple Inc. | Segmented attachment device |
US9648928B2 (en) | 2015-03-06 | 2017-05-16 | Apple Inc. | Expandable band |
EP3085265B1 (en) * | 2015-04-23 | 2020-12-30 | Omega SA | Clasp for bracelet |
US10492574B2 (en) | 2015-09-28 | 2019-12-03 | Apple Inc. | Clasp mechanisms for wrist-worn devices |
CH713613B1 (en) * | 2017-03-23 | 2021-03-15 | Bulgari Horlogerie Sa | Folding clasp |
TWD191955S (en) | 2017-05-02 | 2018-08-01 | 百達翡麗日內瓦股份有限公司 | Clasp |
CN109965464A (en) * | 2019-03-05 | 2019-07-05 | 天王电子(深圳)有限公司 | Folding fastener and wrist-watch |
CH715988B1 (en) * | 2019-03-21 | 2022-05-31 | Bulgari Horlogerie Sa | Bracelet clasp. |
CH716147B1 (en) * | 2019-05-03 | 2023-10-13 | Benjamin Lavizzari | Folding clasp. |
EP4205594A1 (en) * | 2021-12-28 | 2023-07-05 | Glashütter Uhrenbetrieb GmbH | Quick-release system for a watch bracelet |
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US2532840A (en) * | 1948-02-03 | 1950-12-05 | Kreisler Mfg Corp Jacques | Folding extension device |
JPH0734766B2 (en) * | 1986-09-05 | 1995-04-19 | シチズン時計株式会社 | Nakadome clasp for watch band |
FR2675351B1 (en) * | 1991-04-19 | 1994-12-30 | Maier | FOLDING CLASP. |
FR2735335B1 (en) * | 1995-06-15 | 1997-08-01 | Smh Management Services Ag | FASTENER BUCKLE CLASP |
CH691160A5 (en) * | 1996-08-27 | 2001-05-15 | Rolex Montres | Folding clasp. |
TW564699U (en) * | 1996-11-06 | 2003-12-01 | Smh Man Services Ag | Clasp with unfolding buckle |
DE19729903A1 (en) * | 1997-07-12 | 1999-01-14 | Jaeger Lecoultre Sa | bracelet |
EP0914781A1 (en) * | 1997-10-30 | 1999-05-12 | Dexel S.A. | Folding fastener for a bracelet |
WO2000001269A1 (en) * | 1998-07-02 | 2000-01-13 | Citizen Watch Co., Ltd. | Rotation stopper for opening and closing plates in center fixing device of band-shaped ornament |
FR2782250B1 (en) * | 1998-08-14 | 2000-11-10 | Boucledor Sa | CLASP PORTFOLIO TYPE FOR BRACELET |
EP1136013B1 (en) * | 2000-03-23 | 2003-09-24 | Richemont International S.A. | Bracelet fastener |
US6792652B2 (en) * | 2003-02-25 | 2004-09-21 | Luigi Ferrario | Unfolding clasp for bracelet |
CH703540B1 (en) * | 2005-01-25 | 2012-02-15 | Lvmh Swiss Mft Sa | Folding clasp for bracelet and method of assembling such a clasp. |
DE602006005007D1 (en) | 2006-11-27 | 2009-03-12 | Dexel S A | Folding clasp for bracelets |
DE102010023179B3 (en) | 2010-06-09 | 2011-11-17 | Dr. Alex Wellendorff Gmbh & Co. Kg | link |
EP2502515B1 (en) | 2011-03-21 | 2013-09-04 | The Swatch Group Management Services AG | Bracelet clasp |
EP2534970B1 (en) * | 2011-06-16 | 2014-04-16 | Montres Breguet SA | Triple-opening clasp |
CN103300548A (en) * | 2012-03-16 | 2013-09-18 | Momo普拉斯股份公司 | Belt buckle |
EP2644050B1 (en) * | 2012-03-27 | 2016-05-25 | Rolex S.A. | Opening clasp for bracelet |
-
2013
- 2013-11-07 EP EP13192011.8A patent/EP2870893B1/en active Active
-
2014
- 2014-10-21 US US14/519,668 patent/US9173460B2/en active Active
- 2014-11-05 JP JP2014224998A patent/JP5834126B2/en active Active
- 2014-11-07 CN CN201410643096.3A patent/CN104621872B/en active Active
-
2015
- 2015-11-18 HK HK15111374.6A patent/HK1210580A1/en unknown
Also Published As
Publication number | Publication date |
---|---|
JP5834126B2 (en) | 2015-12-16 |
CN104621872A (en) | 2015-05-20 |
CN104621872B (en) | 2016-05-11 |
US9173460B2 (en) | 2015-11-03 |
HK1210580A1 (en) | 2016-04-29 |
EP2870893A1 (en) | 2015-05-13 |
JP2015089522A (en) | 2015-05-11 |
US20150121668A1 (en) | 2015-05-07 |
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