EP0246449A1 - Einheit umfassend ein Uhrgehäuseelement und ein Armband - Google Patents

Einheit umfassend ein Uhrgehäuseelement und ein Armband Download PDF

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Publication number
EP0246449A1
EP0246449A1 EP87105614A EP87105614A EP0246449A1 EP 0246449 A1 EP0246449 A1 EP 0246449A1 EP 87105614 A EP87105614 A EP 87105614A EP 87105614 A EP87105614 A EP 87105614A EP 0246449 A1 EP0246449 A1 EP 0246449A1
Authority
EP
European Patent Office
Prior art keywords
bracelet
housing
slots
grooves
pins
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.)
Granted
Application number
EP87105614A
Other languages
English (en)
French (fr)
Other versions
EP0246449B1 (de
Inventor
Meyrat Clément
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.)
ETA SA Manufacture Horlogere Suisse
Original Assignee
Ebauchesfabrik ETA AG
Eta SA Fabriques dEbauches
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 Ebauchesfabrik ETA AG, Eta SA Fabriques dEbauches filed Critical Ebauchesfabrik ETA AG
Publication of EP0246449A1 publication Critical patent/EP0246449A1/de
Application granted granted Critical
Publication of EP0246449B1 publication Critical patent/EP0246449B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • G—PHYSICS
    • G04—HOROLOGY
    • G04B—MECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
    • G04B37/00—Cases
    • G—PHYSICS
    • G04—HOROLOGY
    • G04B—MECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
    • G04B37/00—Cases
    • G04B37/14—Suspending devices, supports or stands for time-pieces insofar as they form part of the case
    • G04B37/1486—Arrangements for fixing to a bracelet

Definitions

  • the subject of the present invention is an assembly comprising a watch case element comprising a middle part delimited by a lower face, an upper face and a side wall, a bracelet having one end disposed in a first housing open in said side wall, and means for retaining said end of the bracelet in said first housing.
  • the means for retaining the ends of the bracelet in the open housings in the side wall of the middle part of the case consist of pins, screws or rivets passing through the bracelet and at least part of the middle part in a direction substantially perpendicular to the plane of the bracelet.
  • the object of the present invention is to propose an assembly of the kind defined above which does not have this drawback, that is to say in which the means for retaining the ends of the bracelet in the open housings in the side wall of the middle does not require drilling holes in the bracelet. The mechanical tensile strength of the bracelet is therefore not reduced by the presence of these holes.
  • the assembly according to the invention shown schematically and by way of non-limiting example in Figures 1 to 3 comprises a watch case element consisting, in this case, by a middle represented with reference 1.
  • this middle part 1 comprises means for fixing the bottom of the box to its lower face 1a and a lens to its upper face 1b, which have not been shown.
  • the middle part 1 also comprises housings intended to receive the ends of a bracelet. These housings are formed by slots 3 and 4 formed in the side wall lc of the middle part 1 and delimited by flat and parallel faces designated respectively by the references 3a and 3b and by the references 4a and 4b, and by bottom walls. , designated respectively by the references 3c and 4c. These walls 3c and 4c have, in this example, the shape of cylinder portions. In the embodiment shown, the faces 3a, 3b, 4a and 4b of the slots 3 and 4 are also parallel to the upper and lower faces of the middle part 1.
  • the width of the slots 3 and 4 that is to say the distance which separates the face 3a from the face 3b and the face 4a from the face 4b, is substantially equal to the thickness of the bracelet which is also part of the 'assembly shown in Figures 1 to 3. Only the ends of this bracelet intended to be fixed to the middle part 1 have been shown, with the references 5 and 6.
  • the ends 5 and 6 of the bracelet are made in a compressible material such as certain types of leather, rubber or plastic.
  • the entire bracelet can of course be made of the same material.
  • the means for retaining the ends 5 and 6 of the bracelet comprise elongate retaining elements having, in this example, the shape of cylindrical pins designated by the references 7 and 8.
  • the means for retaining the ends 5 and 6 of the bracelet also include housings intended to receive the pins 7 and 8 and formed, again in this example, by grooves 9 and 10 formed in the faces 3a and 4a of the slots 3 and 4. These grooves 9 and 10 are elongated in a direction substantially perpendicular to the length of the bracelet and parallel to the underside 1a of the middle part 1.
  • the housings of the pins 7 and 8 also include cylindrical holes 9a and 10a drilled in the middle part 1, in the extension of the grooves 9 and 10 and with a diameter substantially equal to that of these pins 7 and 8.
  • the grooves 9 and 10 are made, for example, by drilling the holes 9a and 10a in the middle part 1, at the desired locations, before making the slots 3 and 4 by milling.
  • the section of these grooves 9 and 10 by a plane perpendicular to the surfaces 3a and 4a and parallel to the direction of the length of the bracelet therefore has the shape of an arc of a circle whose radius is equal to the radius of the holes 9a and 10a.
  • the middle part 1 is made of a moldable plastic
  • the slots 3 and 4 and the grooves 9 and 10 can be obtained by giving the mold used to manufacture this middle part a suitable shape.
  • Pins 7 and 8 can be made of any material, metallic or plastic.
  • the finished assembly as shown in FIG. 3 is produced by first placing the ends 5 and 6 of the bracelet in the slots 3 and 4.
  • the pins 7 and 8 are then introduced into the holes 9a and 10a and, thanks to the compressibility of the ends 5 and 6 of the bracelet, in the grooves 9 and 10. They therefore occupy part of the slots 3 and 4 serving to house the ends 5 and 6 of the bracelet.
  • the latter are therefore pushed back by these pins 7 and 8 against the faces 3b and 4b of the slots 3 and 4.
  • the friction forces which are then exerted between the various surfaces in contact with each other on the one hand maintain the ends 5 and 6 of the bracelet in the slots 3 and 4 and on the other hand prevent the pins 7 and 8 from moving along their axis. It can therefore be seen that, in the assembly shown, the ends 5 and 6 of the bracelet are effectively retained in the slots 3 and 4 without being pierced with holes.
  • a tensile force exerted on the ends 5 and 6 of the bracelet generally tends to lift the pins 7 and 8 from the bottom of the grooves 9 and 10, which has the effect of increasing the friction force of the ends 5 and 6 of the bracelet against these pins 7 and 8 and against the walls 3b and 4b of the slots 3 and 4, and therefore further improve the connection of the bracelet and the middle part.
  • the ends 5 and 6 of the bracelet must of course exceed the grooves 9 and 10 when they are arranged in these slots 3 and 4. These the latter must therefore be fairly deep, and, preferably, the ends 5 and 6 of the bracelet must be shaped so as to come into contact with the entire surface of the bottom walls 3c and 4c of the slots 3 and 4. It is for this this is because the ends 5 and 6 of the bracelet shown in FIGS. 1 to 3 end in an arc having a substantially the same radius as the bottom walls 3c and 4c of the slots 3 and 4.
  • the diameter of the pins 7 and 8 and the depth of the grooves 9 and 10 depend on the material chosen for the ends 5 and 6 of the bracelet.
  • the pins 7 and 8 are very deformable, like certain types of rubber or plastic, it is preferable to give the pins 7 and 8 a diameter greater than the width of the slots 3 and 4, and / or the grooves 9 and 10 such a depth that, when the assembly is mounted, the axes of the pins 7 and 8 are located outside the grooves 9 and 10, that is to say that they are respectively located between the faces 3a and 3b and the faces 4a and 4b.
  • the material chosen for the ends 5 and 6 of the bracelet is not very deformable, like certain types of leather or plastic, it may be necessary to give the pins 7 and 8 a diameter less than the width of the slots 3 and 4, and / or the grooves 9 and 10 a depth such that, when the assembly is mounted, the axes of the pins 7 and 8 are respectively located in the planes of the faces 3a and 4a of the slots 3 and 4, or outside these faces.
  • the diameter of the pins 7 and 8 is greater than the depth of the grooves 9 and 10.
  • ends 5 and 6 of the bracelet are made of a material such as certain types of rubber or plastic, there may be a phenomenon of creep of this material in response to the tensile forces which are normally exerted on these ends. This creep can cause, after a certain time, the exit of the ends 5 and 6 of the bracelet from the slots 3 and 4.
  • These grooves are preferably made without removing material at the ends 5 and 6 of the bracelet, for example by deforming these ends permanently using a tool of suitable shape applied with force at the desired location. If necessary, this tool can be heated to facilitate this permanent deformation.
  • the present invention is not limited to cases where the ends 5 and 6 of the bracelet are made of a deformable material.
  • these ends 5 and 6 are made of a material which is difficult to deform, such as hard plastic or metal, it suffices to make grooves in these ends 5 and 6 similar to the grooves 5a and 6a mentioned above but having a shape and arrangement such that, when the ends 5 and 6 of the bracelet are engaged in the slots 3 and 4, they form with the grooves 9 and 10 cylindrical housings having a diameter preferably slightly smaller than the diameter of the pins 7 and 8. In this way, the latter are held in place by friction after they have been forced into these housings and, of course, the ends 5 and 6 of the bracelet are retained in the slots 3 and 4.
  • the grooves 9 and 10 are preferably made in the faces of the slots 3 and 4 which, in the finished watch, are located on the side of the bottom of the box. It is obvious that these grooves 9 and 10 can also be made in the faces of the slots 3 and 4 which, in the finished watch, are located on the side of the watch glass.
  • grooves similar to grooves 9 and 10 in the two faces of the slots 3 and 4.
  • pins similar to pins 7 and 8 are then arranged in these grooves, which further improves the retention of the ends 5 and 6 of the bracelet in the slots 3 and 4.
  • the pins 7 and 8, or the four pins mentioned above may not be cylindrical, but have a non-circular section, for example oval or polygonal.
  • the grooves formed in the faces of the slots 3 and 4 and, where appropriate, in the ends 5 and 6 of the bracelet must obviously have a corresponding shape.
  • the present invention can be carried out whatever the shape of the middle part 1, and / or if the middle part 1 forms only one piece with the bottom of the box.
  • the bottom walls 3c and 4c of the slots 3 and 4 may not be in the form of a cylinder portion, as in FIGS. 1 to 3.
  • the slots 3 and 4 can be obtained, for example, by passing a bur of adequate thickness in a direction perpendicular to the length of the bracelet, over the entire width of the middle 1.
  • the bottom walls 3c and 4c are planar and pass through the middle 1 from one edge to the other.
  • the holes 9a and 9b no longer exist, and the housings of the pins 7 and 8 are simply constituted by the grooves 9 and 10 which extend over the entire width of the middle part 1.
  • the ends 5 and 6 of the bracelet may have a width equal to or even greater than the width of the middle part 1.
  • the bracelet, or at least its ends, may also have the shape of a cord, for example cylindrical, having at least one transverse dimension less than the thickness of the middle part 1.
  • the housings of the ends of the bracelet may consist of simple blind holes, of suitable section, drilled at the desired locations in the wall of the middle part 1.
  • the length of the pins 7 and 8 may be less than the total length of the housings formed by the grooves 9 and 10 and, where appropriate, by the holes 9a and 10a, and even less than the length of the grooves 9 and 10
  • the ends of the holes 9a and 10a can be closed by plugs made, for example, of the same material as the middle part 1. If they exist, these holes can also be blind, that is to say -did not open at one of their ends in the side wall of the middle part 1.
  • the surfaces 3a and 3b, and the surfaces 4a and 4b of the slots 3 and 4 may not be parallel to the planes of the lower la and upper faces 1b of the middle part 1, but form with these planes non-zero angles, so that the ends 5 and 6 of the bracelet have, near the middle, a direction such that the bracelet adapts well to the wrist of the wearer of the watch.

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Adornments (AREA)
  • Electric Clocks (AREA)
EP87105614A 1986-05-07 1987-04-15 Einheit umfassend ein Uhrgehäuseelement und ein Armband Expired - Lifetime EP0246449B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH1872/86 1986-05-07
CH187286A CH667770GA3 (de) 1986-05-07 1986-05-07

Publications (2)

Publication Number Publication Date
EP0246449A1 true EP0246449A1 (de) 1987-11-25
EP0246449B1 EP0246449B1 (de) 1990-10-24

Family

ID=4220568

Family Applications (1)

Application Number Title Priority Date Filing Date
EP87105614A Expired - Lifetime EP0246449B1 (de) 1986-05-07 1987-04-15 Einheit umfassend ein Uhrgehäuseelement und ein Armband

Country Status (7)

Country Link
US (1) US4794577A (de)
EP (1) EP0246449B1 (de)
JP (1) JPS62268505A (de)
KR (1) KR870011516A (de)
BR (1) BR8702209A (de)
CH (1) CH667770GA3 (de)
DE (1) DE3765693D1 (de)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3725960A1 (de) * 1987-08-05 1989-02-16 Beltpatent Ag Ennetbuergen Uhr, insbesondere armbanduhr
DE20115025U1 (de) * 2001-09-12 2003-02-06 Marx Reinhard Vorrichtung zur Befestigung und/oder zum Schließen eines Uhrarmbandes
EP2781973A1 (de) 2013-03-19 2014-09-24 ETA SA Manufacture Horlogère Suisse Befestigungssystem eines Armbandabschnitts an einem Gehäuse
EP2818942A1 (de) * 2013-06-27 2014-12-31 ETA SA Manufacture Horlogère Suisse Uhrenarmband mit Schutzstift

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7553069B2 (en) * 2005-10-31 2009-06-30 Gibbons Roger C Systems and methods for providing a wristwatch
KR102142574B1 (ko) 2014-05-07 2020-08-07 삼성전자주식회사 신체 장착형 장치

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1015737A (fr) * 1950-03-30 1952-10-20 Jaeger Ets Ed Perfectionnements aux bracelets-montres
CH576760A5 (de) * 1975-06-14 1976-06-30 Rey Laurent Charles
US4432654A (en) * 1982-03-29 1984-02-21 Bulova Watch Company, Inc. Wrist watch case and metal bracelet assembly

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH179155A (de) * 1932-12-17 1935-08-31 Lapp Ferdinand Armbanduhr mit Armband.
GB865498A (en) * 1958-09-10 1961-04-19 Boucheron Sa Means for securing wrist watches and the like to straps or bracelets
US3165884A (en) * 1962-11-14 1965-01-19 Bulova Watch Co Inc Watch band connector
FR1399320A (fr) * 1964-06-22 1965-05-14 Feingeratewerk Weimar Veb Boîtier de montre-bracelet
CH526148A (fr) * 1967-10-30 1972-03-15 Piquerez Sa Ervin Procédé de fabrication d'une montre-bracelet
JPS5624218Y2 (de) * 1975-10-13 1981-06-06
JPS5814215Y2 (ja) * 1977-08-17 1983-03-19 日本軽金属株式会社 回転式窓の旋錠装置
DE8205042U1 (de) * 1982-02-23 1982-07-08 August Pfisterer GmbH & Co, 7530 Pforzheim Mit dem Armband verbundenes Uhrgehäuse
US4432655A (en) * 1982-10-13 1984-02-21 Bulova Watch Company, Inc. Integrated watch case and bracelet assembly
GB2163038A (en) * 1984-08-17 1986-02-19 Citizen Watch Co Ltd Structure for securing a band to a watchcase

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1015737A (fr) * 1950-03-30 1952-10-20 Jaeger Ets Ed Perfectionnements aux bracelets-montres
CH576760A5 (de) * 1975-06-14 1976-06-30 Rey Laurent Charles
US4432654A (en) * 1982-03-29 1984-02-21 Bulova Watch Company, Inc. Wrist watch case and metal bracelet assembly

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3725960A1 (de) * 1987-08-05 1989-02-16 Beltpatent Ag Ennetbuergen Uhr, insbesondere armbanduhr
DE20115025U1 (de) * 2001-09-12 2003-02-06 Marx Reinhard Vorrichtung zur Befestigung und/oder zum Schließen eines Uhrarmbandes
EP2781973A1 (de) 2013-03-19 2014-09-24 ETA SA Manufacture Horlogère Suisse Befestigungssystem eines Armbandabschnitts an einem Gehäuse
US9342052B2 (en) 2013-03-19 2016-05-17 Eta Sa Manufacture Horlogere Suisse System for attaching a wristlet strand to a case
EP2818942A1 (de) * 2013-06-27 2014-12-31 ETA SA Manufacture Horlogère Suisse Uhrenarmband mit Schutzstift

Also Published As

Publication number Publication date
KR870011516A (ko) 1987-12-24
JPS62268505A (ja) 1987-11-21
US4794577A (en) 1988-12-27
EP0246449B1 (de) 1990-10-24
DE3765693D1 (de) 1990-11-29
CH667770GA3 (de) 1988-11-15
BR8702209A (pt) 1988-02-17

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