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EP1169935A1 - Uhrarmband mit gelenkten Gliedern - Google Patents

Uhrarmband mit gelenkten Gliedern Download PDF

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Publication number
EP1169935A1
EP1169935A1 EP00114286A EP00114286A EP1169935A1 EP 1169935 A1 EP1169935 A1 EP 1169935A1 EP 00114286 A EP00114286 A EP 00114286A EP 00114286 A EP00114286 A EP 00114286A EP 1169935 A1 EP1169935 A1 EP 1169935A1
Authority
EP
European Patent Office
Prior art keywords
interstices
plates
bracelet
type
width
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Withdrawn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
EP00114286A
Other languages
English (en)
French (fr)
Inventor
Pierre Dr. Buise
M. Paolo Zorzan
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.)
PROMOTION SpA
Original Assignee
PROMOTION SpA
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 PROMOTION SpA filed Critical PROMOTION SpA
Priority to EP00114286A priority Critical patent/EP1169935A1/de
Publication of EP1169935A1 publication Critical patent/EP1169935A1/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Withdrawn legal-status Critical Current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
    • A44C5/02—Link constructions
    • A44C5/10—Link constructions not extensible
    • A44C5/107—Link constructions not extensible with links made of more than two elements including connecting elements

Definitions

  • the present invention relates to watch strap bracelets, comprising pins and plates of rigid material arranged side by side side.
  • the links are formed of plates, and pins connecting at least two adjacent plates in an articulated manner, the axes of the pins defining pivot axes.
  • Such bracelets are well known to those skilled in the art. They present the advantage of being extremely solid and offering many possibilities for shapes, giving the watch a particular aesthetic. One of them is, for example, described in document EP 0749 709.
  • bracelets are made up of hinged links, there must be a gap between the neighboring plates. Indeed, if the pads were in direct contact with each other, with no space, they did not could have relative movements.
  • this type of bracelet poses a problem for a large part of the population, because the width of the interstices depends on the radius of curvature of the bracelet. This radius is a function of the wearer's wrist diameter. He can, in in addition, vary when wearing, under the effect of violent shocks for example. When the width of the gap is less than the diameter of the hair, the latter is pinched, and torn off if the bracelet is moved, which is unpleasant.
  • the purpose of this invention is to overcome this drawback.
  • the bracelet according to the invention comprises interstices of two types, of which those of the first type permanently have a width greater than 0.15 mm, and of which those of the second type have, permanently, a width less than 0.05 mm in the areas flush with the apparent surface of the bracelet, i.e. the openings through which the bristles are likely to slip in the gap.
  • the width of the interstices is a function of the radius of curvature of the bracelet.
  • a simple solution to prevent the bracelet from is too closed and, consequently, that the interstices of the first type do not tighten too much, the pads have limited movement.
  • two neighboring wafers include one a male organ, the other a female organ, these bodies cooperating with each other to form a stop.
  • interstices defined by walls of platelets substantially parallel to the pivot axes are of the first type
  • interstices defined by walls substantially perpendicular to these axes are of the second type.
  • the width of the parallel interstices varies in function of the radius of curvature of the bracelet. If this width were to be understood between 0 and 0.05 mm, the relative movement of the pads would be very limited, which would affect wearing comfort. This is why it is preferable that the width of these gaps are always greater than 0.15 mm.
  • the perpendicular interstices have a width which can vary because of the gap between the neighboring links. This frolic is determined by the relative translational movements that these links can have between two extreme positions, in which the pads are in contact with each other the other. In other words, in these two positions, a gap has a width equal to zero, which must be less than 0.15 mm. This is why, for avoid pinching hairs, this width must be permanently less than 0.05 mm, that is to say that the gap is of the second type.
  • the bracelet is formed of three sets of identical parts, namely middle plates 10, plates side 12 and pins 14.
  • the plates 10 are arranged in the middle part of the bracelet and define, between them, a gap 11.
  • the plates 12 are arranged in the lateral edges of the bracelet and define between them a gap 13.
  • the neighboring plates 10 and 12 also define interstices, which bear the reference 15.
  • a plate 10 is shown in Figure 2a. It is of general shape parallelepiped, with an upper face 10a, a lower face 10b, two longitudinal faces 10c and two lateral faces 10d. It is pierced with two cylindrical holes 16 whose axis is oriented parallel to the faces longitudinal 10c and which both open on both sides side 10d. These holes have a diameter slightly larger than the diameter of the pins 14.
  • the longitudinal faces 10c are provided with bevels 10e in their part adjacent to the upper face 10a.
  • the lateral faces 10d each have a groove 18, of rectangular section, which extends from one to the other of the longitudinal faces 10c and forms a female member.
  • Each groove 18 comprises a bottom 18a and two walls, one upper 18b, the other lower 18c, the function of which will be specified below. It has a width L , measured between the walls 18b and 18c,
  • the plate 12 shown in Figure 2b is also of general shape cuboid. It has an upper face 12a, a lower face 12b, two longitudinal faces 12c and two lateral faces 12d and 12e.
  • the longitudinal faces 12c are provided with bevels 12f in their portions adjacent to the upper face 12a.
  • the side face 12d further carries two fingers 22, forming male members and arranged in alignment with the longitudinal faces, each adjacent to one of the holes 20.
  • Each finger 22 has an upper face 22a and a lower face 22b . It has a thickness E , equal to the distance between its lower faces 22b and upper 22a.
  • the pins 14, only one of which is partially visible in FIG. 1, are made of cylindrical stainless steel rods, the cross section of which can be circular or not. It is for example possible to use pins of the type defined in the document EP 0749 709 mentioned above. Their section is chosen so that they can be forced out in the blind holes 20 while they pivot freely, with minimum play, in the holes 16 of the plates 10.
  • the bracelet is assembled by first driving out the pins 14 in the blind holes 20 of a first part of the plates 12, thus forming U-shaped pieces.
  • the plates 10 are then put in place, a plate 10 for each U bar and each plate 10 threaded on two pins 14.
  • the second part of the plates 12 is then driven opposite the plates of the first half, so that the U-shaped pieces become pieces in O.
  • This assembly thus forms a chain made of two kinds of links, respectively made up of plates 10 and O-shaped parts, each plate 10 forming two hinges, with the pins 14 which crosspiece, as shown in Figure 1.
  • the fingers 22, taking the place of male organs are housed in the grooves 18 forming female organs.
  • the width L of these grooves is substantially greater than the thickness E of the fingers. In this way, the rotational movement of the hinge is interrupted when one of the fingers abuts against one of the walls 18b, 18c of the groove 18.
  • FIG. 3 represents, in a , a section passing through the fingers 22, and the groove 18, the section plane passing through the gap 15 between plates 10 and 12, corresponding to line AA in Figure 3b.
  • the two visible plates 10 are in the position they occupy when the bracelet has its smallest radius of curvature. It can be seen there that the upper faces 22a of the fingers 22 are in abutment against the upper face 18b of the grooves 18.
  • the gap 11 defined the longitudinal faces 10c and the bevels 10e, has a width of approximately 0.20 mm in the vicinity of the lower faces 10b and widens in the vicinity of the upper faces 10a, because of the bevels 10e.
  • gap 11 narrows at the top, bevels 10e then being substantially parallel to each other, and widens in its part lower, its width going from about 0.15 mm in the upper part to 0.25 mm at the bottom.
  • the longitudinal faces 12c of the links 12 are arranged so that the interstices 13 are quite comparable in their widths to interstices 11, so that it is always greater than 0.15 mm.
  • FIG. 3b represents a portion of the bracelet cut by a plane passing through the axis of a pin 14, driven at each of its ends into one of the holes 20 of a plate 12 and engaged, free to rotate, in the 'one of the holes 16 of a plate 10.
  • the plates 10 and 12 are separated by a gap 15, defined by the adjoining walls 10d and 12d and whose width e is less than 0.05 mm.
  • This width does not vary depending on the radius of curvature of the bracelet. This is due to the fact that the walls 10d and 12d are perpendicular to the axis of the hinge. On the other hand, it can change because the plate 10 is mounted freely on the pin 14 and that it can move until it is in contact with the plate 12 on either side. In all cases, the width e of the gap 15 remains less than 0.05 mm.
  • the invention as described, can, of course, be the subject of numerous variants.
  • the stop function limiting the relative movement of the pads, can be obtained in many other ways as well. It is possible to realize fingers by means of inserts rather than by machining the insert.
  • the attachment of the plates 12 to the pins 14 can be envisaged in many other ways, for example by screwing, gluing or welding.

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  • Adornments (AREA)
EP00114286A 2000-07-04 2000-07-04 Uhrarmband mit gelenkten Gliedern Withdrawn EP1169935A1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP00114286A EP1169935A1 (de) 2000-07-04 2000-07-04 Uhrarmband mit gelenkten Gliedern

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP00114286A EP1169935A1 (de) 2000-07-04 2000-07-04 Uhrarmband mit gelenkten Gliedern

Publications (1)

Publication Number Publication Date
EP1169935A1 true EP1169935A1 (de) 2002-01-09

Family

ID=8169153

Family Applications (1)

Application Number Title Priority Date Filing Date
EP00114286A Withdrawn EP1169935A1 (de) 2000-07-04 2000-07-04 Uhrarmband mit gelenkten Gliedern

Country Status (1)

Country Link
EP (1) EP1169935A1 (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US12070107B2 (en) * 2022-06-30 2024-08-27 Comadur Sa Wristlet with links made of a hard material

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2113973A (en) * 1982-02-03 1983-08-17 Gay Freres Sa A metal bracelet in the form of a band comprised of members linked one with respect to the other
CH661184A5 (en) * 1984-12-19 1987-07-15 Finger H Fa Bracelet, particularly a watch bracelet, and method for manufacturing this bracelet
CH675669A5 (en) * 1988-03-22 1990-10-31 Bonnet Design & Tech Links of articulated bracelet for watch - being joined by elements pivoting on transversal axles and having semi-circular end held in links
US6079196A (en) * 1996-08-29 2000-06-27 Tag Heuer Sa Band of articulated links and watch provided with such a band

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2113973A (en) * 1982-02-03 1983-08-17 Gay Freres Sa A metal bracelet in the form of a band comprised of members linked one with respect to the other
CH661184A5 (en) * 1984-12-19 1987-07-15 Finger H Fa Bracelet, particularly a watch bracelet, and method for manufacturing this bracelet
CH675669A5 (en) * 1988-03-22 1990-10-31 Bonnet Design & Tech Links of articulated bracelet for watch - being joined by elements pivoting on transversal axles and having semi-circular end held in links
US6079196A (en) * 1996-08-29 2000-06-27 Tag Heuer Sa Band of articulated links and watch provided with such a band

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US12070107B2 (en) * 2022-06-30 2024-08-27 Comadur Sa Wristlet with links made of a hard material

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