EP3123892A1 - Verschluss für schmuckstücke - Google Patents

Verschluss für schmuckstücke Download PDF

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Publication number
EP3123892A1
EP3123892A1 EP16180747.4A EP16180747A EP3123892A1 EP 3123892 A1 EP3123892 A1 EP 3123892A1 EP 16180747 A EP16180747 A EP 16180747A EP 3123892 A1 EP3123892 A1 EP 3123892A1
Authority
EP
European Patent Office
Prior art keywords
female
groove
tenon
male
female part
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Withdrawn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
EP16180747.4A
Other languages
English (en)
French (fr)
Inventor
Michel Hirschi
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of EP3123892A1 publication Critical patent/EP3123892A1/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Withdrawn legal-status Critical Current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
    • A44C5/20—Fasteners for straps, chains or the like for open straps, chains or the like
    • A44C5/2057—Fasteners locked by sliding or rotating of the male element of the fastener; Turn-button fasteners
    • A—HUMAN NECESSITIES
    • A44—HABERDASHERY; JEWELLERY
    • A44B—BUTTONS, PINS, BUCKLES, SLIDE FASTENERS, OR THE LIKE
    • A44B11/00—Buckles; Similar fasteners for interconnecting straps or the like, e.g. for safety belts
    • A44B11/25—Buckles; Similar fasteners for interconnecting straps or the like, e.g. for safety belts with two or more separable parts
    • A44B11/258—Buckles; Similar fasteners for interconnecting straps or the like, e.g. for safety belts with two or more separable parts fastening by superposing one part on top of the other
    • A44B11/2588—Buckles; Similar fasteners for interconnecting straps or the like, e.g. for safety belts with two or more separable parts fastening by superposing one part on top of the other combined with one buckle element rotating or pivoting

Definitions

  • the present invention relates to the field of so-called security clasps for jewelery articles and more particularly for watch straps.
  • a safety clasp means a clasp with guarantees against an unexpected opening that could lead to the loss of the jewelry item on which it is mounted.
  • security clasps comprising a male part consisting of a tenon generally T-shaped and a female part comprising a housing of corresponding shape or a slot adapted to receive said tenon.
  • the document US 5,774,957 describes a clasp designed to attach two elements to one another, in particular, jewelry pieces, and to perform a safety closure.
  • the clasp includes a receiver member having a slot defining surface and a coupling member having a generally T-shaped shank that can be releasably disposed in the slot to releasably couple the coupling member to the shank.
  • receiving element The coupling element is movable from a vertical position in which it can be introduced into and removed from the receiving element to a second position, or horizontal position, in which it is resiliently retained by the receiving element.
  • the interaction between the coupling element and the receiving element makes it possible to obtain a closure that is more difficult to open involuntarily, the rod is nevertheless capable of coming out of the slot during certain movements of the wrist of the person carrying the piece of jewelry.
  • the document CH 35922 discloses a clasp comprising a male portion integral with a first strand of a bracelet and consisting of a T-shaped tenon and a female part secured to a second strand of a bracelet, consisting of a substantially parallelepipedal piece comprising a recess made from the upper face of said workpiece, said recess having a corresponding shape of T.
  • This type of clasp has the disadvantage of not being effective when the tension on the strands of the bracelet is insufficient. Indeed, when the strands of the bracelet are no longer under tension, the T-shaped post of the male part is likely to disengage from the housing of the female part making the clasp inoperative.
  • the document CH 645 003 describes a clasp for a watch strap.
  • One of the branches of the bracelet is provided with a frame in which the branch can slide to adjust the length, before being fixed, this mount having an upper opening in the shape of a T, with a batten recessed lower under the edge parts narrowing the opening.
  • a closure piece is attached to the end of the other wristband branch, and includes a T-shaped tongue, engaging in the opening and notching in the thimble.
  • a lid is folded over the clasp device when the tongue is thus hooked, and a projection disposed under this cover then locks the closure by preventing the tongue from disengaging the batter.
  • This type of clasp has the disadvantage of not being able to avoid an unexpected opening. Indeed, in case of opening of the lid, when it clings to a garment for example, the tongue is likely to disengage from the opening T of the frame by a simple translational movement, said translational movement can be induced by a decrease in tension between the branches of the bracelet.
  • the present invention therefore aims to provide a safety clasp for jewelery articles to avoid inadvertent separation of the male and female parts when the strap of the bracelet, or the like, are no longer under tension in particular.
  • the invention relates to a clasp for jeweler's articles in order to obtain the junction of two branches of said jewelery article comprising at least one male part consisting of a tenon in the general shape of a piece of jewelery.
  • the female part consists of a first substantially parallelepipedal part, one end of which comprises, on its lower face, a recess opening on the distal end of said part and, on its upper face, a groove in communication, in its central part with said recess forming at the distal end of the part a spacer connecting the two lower edges of the groove, the upper wall of the recess having a transverse lug extending perpendicular to the groove and on either side of said groove, and in that the male part consists of a second substantially parallelepipedal part provided with a generally T-shaped post whose stem is coming from the upper face of the part and whose head extends at the free end of said rod, perpendicularly and below it, said rod having on its underside ure a lug extending transversely such that, after the introduction of the tenon in the housing of the female part, through the groove, the shank of the post extend
  • the T-piece of the male part can be introduced into the groove of the female part only by proceeding with a 90 ° rotation about the longitudinal axis of the male part and inclining at least 45 ° said male part relative to the female part, and vice versa for the withdrawal.
  • the male part cooperating with the female part This double rotation can hardly result from a random movement so that inadvertent opening of the clasp is avoided.
  • the distal walls of the parts of the male and female portions respectively have a concave and respectively convex cylindrical plane.
  • these cylindrical concave and convex planes allow a rotation of at least 45 ° of the male part with respect to the female part when opening or closing the clasp without there being play between the two parts.
  • the axis of the concave and convex cylindrical plane is positioned at two thirds of the length of the tenon.
  • the head of the tenon is advantageously flat providing greater stability of the male part relative to the female part in the closed position of said clasp.
  • the head of the post has a substantially parallelepiped shape whose two distal edges are rounded.
  • the rounded shape of the two distal edges facilitates insertion of the tenon head into the housing of the female part through the groove opening into said housing.
  • the tenon rod and the groove have a quadrilateral cross section.
  • the pin of the post and the groove have a rectangular cross section.
  • the male part and the female part comprise fastening means respectively of a branch of the jewelery article.
  • Said fastening means preferably consist of crimping means.
  • These crimping means consist of at least one hole made from the proximal wall of the male and female part, and adapted to receive a branch of the jewelery article, and at least one threaded hole made from the wall. lower part of the male part and respectively female, passing through the hole receiving the branch and adapted to receive a crimping screw.
  • a security clasp for a bracelet comprising two pairs of flexible branches, such as branches in the form of leather strips or the like;
  • the clasp can be adapted to any type of bracelet, and more generally to any type of jewelry without departing from the scope of the invention.
  • the clasp according to the invention for jewelery articles in order to obtain the junction of two branches of said jewelery article comprises a male part 1 and a female part 2, each of the male 1 and female 2 parts being secured, by any means suitable for a branch of the jewelry item.
  • the female part 2 consists of a first substantially parallelepipedal part 3, one of its ends, namely its distal end, comprises, on its lower face, a recess 4 opening on the distal end of said part 3 and comprises , on its upper face, a groove 5 in communication, in its central part, with said recess 4 thus forming at the distal end of the part 3 a spacer 6 connecting the two lower edges of said groove 5.
  • Distal end is understood of the piece 3, the end of the piece 3 opposite the point of attachment of the branch of the piece of jewelry to the female part 2.
  • Said recess 4 has a substantially parallelepiped shape and the groove 5 has a quadrilateral cross section, in the species has a rectangular cross section.
  • the groove 5 extends over a little less than half the length of the part 3 and the spacer 6 has a width substantially equal to one third of the length of the groove 5.
  • the face upper of the spacer 6 extends at the same level as the upper wall of the recess 4 formed in the room 3.
  • the upper wall of the recess 4 has a transverse lug 7 extending perpendicular to the groove 5 and on both sides of said groove 5.
  • the male part 1 consists of a second substantially parallelepipedal part 8 provided with a pin 9 in the general shape of T whose stem 10 comes from the upper face of the part 8 and whose head 11 extends to the free end of said rod 10, perpendicularly and below the latter.
  • Said rod 10 has on its underside a lug 12 extending transversely and projecting under the head 11 of the pin 9.
  • said lug 12 projects under the rod 10, in the middle part of said rod.
  • the rod 10 of the post 9 has a quadrilateral cross section, in this case a rectangular cross section and the head 11 of the post 9 is flat and has a substantially parallelepiped shape whose two distal edges are rounded to facilitate the introduction of the tenon 9 in the recess 4 of the female part 2.
  • the rod 10 of the tenon 9 extends into the groove 5 of the female part 2
  • the head of the post 11 bears on the lug 7 of the female part 2
  • the lug 12 of the post 9 bears on the proximal wall of the spacer 6 of the female part 2 in order to avoid untimely separation of the male 1 and female 2 parts in particular by tilting, as will be detailed below.
  • the upper face of the clasp has a flat surface without hollow or protrusion having a particularly clean aesthetic appearance.
  • the distal walls of the parts of the male part 1 and respectively female 2 have a concave plane 13 and respectively convex 14 cylindrical.
  • the axis of the concave and convex cylindrical plane of the distal walls of the parts of the male part 1 and female 2 is positioned about two-thirds of the length of the post 9 or at the level of the head 11 of the post 9. This configuration allows, when the male 1 and female 2 parts are coupled, to have no play between said male 1 and female 2, these concave planes 13 and convex 14 cylindrical allowing a rotation of at least 45 ° of the male part 1 relative to the female part 2 when opening or closing the clasp without there being play between the two parts as will be detailed below.
  • the male part 1 and the female part 2 comprise fastening means 15 of a branch of the jewelery article, not shown in the figures.
  • These fixing means consist, in this particular embodiment, in crimping means.
  • Each crimping means consists of two parallel and contiguous holes 16, the holes 16 thus being in communication, made from the proximal wall of the male 1 and female 2 respectively, and adapted to receive a branch of the jewelery article, and a pair of threaded holes 17 made from the lower wall of the male 1 and female 2 respectively, at the junction of the two holes 16, each pair of threaded holes 17 passing through the holes 16 receiving the branch and being adapted to receive a crimping screw, not shown in the figures.
  • Said holes 16 are intended to receive a flexible branch of a piece of jewelry, such as a branch consisting of two strips of leather for example.
  • the crimping means may have only one hole 16 and the branches of the piece of jewelery may be flexible or rigid and have any shape.
  • the fixing means 15 may be substituted by any other fastening means well known to those skilled in the art without departing from the scope of the invention.
  • the male part 1 is presented to the right of the female part 2, then the male part is rotated at an angle of about 90 ° about its longitudinal axis, as represented by the arrow a, and inclined at an angle between 45 ° and 90 °, as indicated by the arrow b.
  • the male part 2 thus pivoted and inclined, with reference to the figure 8b , is then presented above the female part 1, then the head 11 of the post 9 of the male part 2 is introduced into the recess 4 of the female part 1 by passing through the groove 5 and the communication hole between the groove 5 and the recess 4, until the entire head 11 extends into the recess 4.
  • the male part 2 is then rotated about its longitudinal axis at an angle of 90 °, in a direction of rotation opposite that of the first rotation of 90 ° prior to the introduction of the head 11 of the post 9 in the recess 4, then the male part 2 is pivoted relative to the female part 1, as indicated by the arrow c , until the rod 10 of the pin 9 extends integrally in the groove 5 of the female part 1.
  • the head of the post 11 bears on the lug 7 of the female part 2 and the lug 12 of the post 9 bears on the proximal wall of the spacer 6 of the female part 2 in order to avoid an inadvertent separation of the parts male 1 and female 2 in particular by tilting.
  • This double rotation can hardly result from a random movement so that an inadvertent opening of the clasp is avoided.
  • male part 1 and / or the female part may have any shape without departing from the scope of the invention.

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  • Adornments (AREA)
EP16180747.4A 2015-07-28 2016-07-22 Verschluss für schmuckstücke Withdrawn EP3123892A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH01098/15A CH711360A2 (fr) 2015-07-28 2015-07-28 Fermoir pour pièces de joaillerie.

Publications (1)

Publication Number Publication Date
EP3123892A1 true EP3123892A1 (de) 2017-02-01

Family

ID=56567404

Family Applications (1)

Application Number Title Priority Date Filing Date
EP16180747.4A Withdrawn EP3123892A1 (de) 2015-07-28 2016-07-22 Verschluss für schmuckstücke

Country Status (2)

Country Link
EP (1) EP3123892A1 (de)
CH (1) CH711360A2 (de)

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH35922A (de) 1906-02-12 1906-11-15 Tobel G Von Schließe
CH645003A5 (fr) 1980-09-29 1984-09-14 Seiko Instr & Electronics Fermoir pour bracelet de montre.
DE3621016A1 (de) * 1986-04-16 1987-10-22 Herman A Hess Loesbarer verschluss
US5774957A (en) 1996-11-06 1998-07-07 Kohl; Thomas D. Jewelry clasp
US6058576A (en) * 1999-04-13 2000-05-09 Harris; Howard Edwin Jewelry clasp
EP1798366A2 (de) * 2005-12-16 2007-06-20 Alfred Schellenberg GmbH Rolladenantrieb mit einem dünnen Antriebsgurt und einer Gurtkupplung

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH35922A (de) 1906-02-12 1906-11-15 Tobel G Von Schließe
CH645003A5 (fr) 1980-09-29 1984-09-14 Seiko Instr & Electronics Fermoir pour bracelet de montre.
DE3621016A1 (de) * 1986-04-16 1987-10-22 Herman A Hess Loesbarer verschluss
US5774957A (en) 1996-11-06 1998-07-07 Kohl; Thomas D. Jewelry clasp
US6058576A (en) * 1999-04-13 2000-05-09 Harris; Howard Edwin Jewelry clasp
EP1798366A2 (de) * 2005-12-16 2007-06-20 Alfred Schellenberg GmbH Rolladenantrieb mit einem dünnen Antriebsgurt und einer Gurtkupplung

Also Published As

Publication number Publication date
CH711360A2 (fr) 2017-01-31

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