EP0383180A1 - Uhr mit einem Band und einem Gehäuse - Google Patents

Uhr mit einem Band und einem Gehäuse Download PDF

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Publication number
EP0383180A1
EP0383180A1 EP90102397A EP90102397A EP0383180A1 EP 0383180 A1 EP0383180 A1 EP 0383180A1 EP 90102397 A EP90102397 A EP 90102397A EP 90102397 A EP90102397 A EP 90102397A EP 0383180 A1 EP0383180 A1 EP 0383180A1
Authority
EP
European Patent Office
Prior art keywords
bracelet
base
groove
wrist watch
wristwatch
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Withdrawn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
EP90102397A
Other languages
English (en)
French (fr)
Inventor
Jacques Cognard
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
Ebauchesfabrik ETA AG
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 EP0383180A1 publication Critical patent/EP0383180A1/de
Withdrawn legal-status Critical Current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
    • G04B37/14—Suspending devices, supports or stands for time-pieces insofar as they form part of the case
    • 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 a wristwatch comprising a bracelet and a box having a middle part, a bottom forming a single piece with said bracelet, and means for removably fixing said bottom to said middle.
  • the bracelet comprises two separate strands each having one end fixed to the watch case by means of a bar retained by two horns forming part of the middle of this box and passing through a loop or opening made in this end of the strand.
  • Wristwatches are also known in which the bottom of the case forms only one piece with the bracelet and which therefore do not include either horns or bars.
  • the wristwatch described in patent application EP-A-0 284 700 comprises, in one of its embodiments, a paper strap whose middle part is widened and forms the bottom of the box.
  • This bottom is fixed by gluing to the middle of the box, which is also made of paper.
  • This wristwatch therefore has the disadvantage that the case back and the caseband are fixed to each other in a non-removable manner, which prevents this box from being opened to repair or replace, if necessary, the movement which 'it contains.
  • An object of the present invention is to provide a wristwatch which, like those which have been mentioned above, does not include horns or barrettes, the middle of which can however be made of any material which gives complete freedom in determining the appearance of the watch and / or makes it possible to prevent the middle from being damaged by the shocks or friction that it undergoes when the watch is worn, and the back of which can be separated from the middle if necessary.
  • the wristwatch case according to the invention illustrated in FIG. 1 has a middle part 1 and a base 2.
  • This box also includes a crystal, but this and its means of attachment to the middle part 1 have not been shown because, in this example, they may be of any kind and have no relation to the 'invention.
  • the wristwatch according to the invention also comprises a bracelet 3, which forms only one and the same piece, designated as a whole by the reference 4, with the back 2.
  • the bracelet 3 generally comprises two strands, only one of which is partially visible in FIG. 1.
  • the ends of these strands opposite those which are connected to the bottom 2 obviously include means intended to connect them to each other to close the bracelet 3 and attach the wristwatch to the wrist of its wearer.
  • These closing means have not been shown and will not be described here since they have no direct relation to the present invention and can be similar to any of the means well known to specialists.
  • a groove 8 is formed in the part of the middle part 1 which is in contact with the base 2, and the latter comprises a bead 10 which forms only one piece with it and which is engaged in this groove 8.
  • the shape and dimensions of the groove 8 and the bead 10 are chosen so that a certain force must be exerted on the bottom 2 to bring this bead 10 into this groove 8 and that, taking into account the materials of which are made the middle part 1 and the part 4, the friction of this bead 10 against at least one of the side walls of this groove 8 is sufficient to prevent the base 2 from separating from the middle part 1 in response to the forces to which it is normally subjected when the wristwatch is worn.
  • the middle part 1 of the wristwatch according to the invention can very well be produced, for example, from a metal such as brass, steel or gold, ceramic, wood, or even plastic. .
  • the bottom 2 of the box of the wristwatch according to the invention does not is not fixed to the middle 1 in a non-removable manner, it is always possible to open this box to repair or replace the movement it contains.
  • the mounting of the movement of the wristwatch according to the invention can be done in a completely conventional manner, that is to say from the underside of the case, which does not is not always the case in the known watches mentioned above.
  • the movement of the wristwatch according to the invention can be either mechanical or electronic.
  • the part 4 formed from the back 2 and the bracelet 3 of the wristwatch according to the invention can be produced in various ways, for example by injection into a mold of suitable shape of any of the well known thermoplastic materials which are commonly used to make bracelets.
  • thermoplastics non-limiting examples will be polyvinyl chlorides, polyurethanes and polyether-block amides.
  • the bead 10 seals the assembly formed by the middle part 1 and the bottom 2. This bead 10 therefore replaces the seal which is often placed between the middle and the bottom of the known watch cases to ensure this seal.
  • Figure 2 is a perspective view of the part 4, on a different scale from that of Figure 1.
  • the entire bottom 2 and the bead 10 we see in this Figure 2 the entire bottom 2 and the bead 10, as well as, partially, the two strands of the bracelet 3.
  • the general shape of the middle part 1 is obviously similar to that of the base 2.
  • the base 2 is substantially rectangular, it is therefore similarly for the middle part 1.
  • the present invention is not limited to such a case, but that the general shape of this middle part 1 and bottom 2, seen in plan, can be absolutely arbitrary, it that is to say circular, elliptical, square or other.
  • the back 2 also includes a bead 10, but the middle part 1 does not have a groove such as the groove 8 in the embodiments described above.
  • the shape and dimensions of the bead 10 are such that its outer wall bears against the inner wall of the middle part 1 with sufficient force so that, taking into account the materials of which are make the middle part 1 and the part 4, the friction between these walls ensures the fixing of this base 2 to this middle part 1.
  • the shape and dimensions of the bead 10 which comprises the bottom 2 are such that the inner wall of this bead 10 is pressed against the outer wall of the middle part 1, also with sufficient force so that the friction between these walls ensures the fixing of the base 2 to the middle part 1 and the tightness of the junction between these elements.
  • the attachment of the part 4 to the middle part 1 is reinforced by screws, only one of which is visible in FIG. 4 where it bears the reference 5.
  • Each of the screws such as the screw 5 passes through a smooth hole 6 drilled in the bottom 2 and engages in a threaded hole 7 made in the middle part 1.
  • the bracelet 3 has the same thickness as the back 2, at least where these two elements are connected, and if we disregard the presence of the bead 10.
  • this thickness depending on the value of this thickness, depending on the material of this base 2 and of this bracelet 3, in particular if this material is not very flexible, it may happen that the forces to which the bracelet 3 is subjected during the use of the watch -wristband are transmitted to the back 2 and tend to deform it and cause it to separate from the middle part 1.
  • These grooves have the effect of increasing the flexibility of the part 4 in these areas, and to prevent the transmission to the bottom 2 of the bending forces to which the bracelet 3 is subjected, so that this bottom 2 does not deform in response to these efforts.
  • Such a groove has been shown in broken lines in FIG. 1 with the reference 12.
  • the bottom 2 comprises a bead 10 engaged in a groove 8 of the middle part 1 and retained in the latter by the friction of its walls against those of this groove 8.
  • the bottom 2 and the bracelet 3 are arranged relative to each other so that their faces intended to come into contact with the wrist of the wearer of the wristwatch are in the extension of one another.
  • this case 2 and this bracelet 3 can be arranged so that it is their other faces which are in the extension of one of the other.
  • the bottom 2 and the bracelet 3 can be arranged so that none of the faces of this bracelet is in line with the corresponding face of this bottom 2.
  • the part 4 is produced by injecting a thermoplastic material into a mold
  • the rigid plate mentioned above can be placed beforehand in this mold, so as to be at least partially incorporated into the bottom 2 during this injection.
  • FIG. 6 An embodiment of the wristwatch according to the invention in which such a plate is used to increase the rigidity of the back 2 is illustrated by FIG. 6 in which this plate is designated by the reference 11.
  • this plate 11 is arranged so as to be flush with the face of the base 2 which faces the wrist of the wearer of the wristwatch.
  • a plate similar to this plate 11 can be arranged so as to be completely coated with the material of the base 2, or so as to be flush with the surface of this base 2 which faces the middle 1. It is also obvious that the plate mentioned above and intended to increase the rigidity of the bottom 2 can, depending on the case, be replaced by a frame having the same external dimensions and the same function as this plate. An embodiment of the wristwatch according to the invention comprising such a frame has not been shown since its production is easily deduced from those which have been described above with the aid of FIG. 6.

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Electric Clocks (AREA)
  • Purses, Travelling Bags, Baskets, Or Suitcases (AREA)
EP90102397A 1989-02-14 1990-02-07 Uhr mit einem Band und einem Gehäuse Withdrawn EP0383180A1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH51489 1989-02-14
CH514/89 1989-02-14

Publications (1)

Publication Number Publication Date
EP0383180A1 true EP0383180A1 (de) 1990-08-22

Family

ID=4188747

Family Applications (1)

Application Number Title Priority Date Filing Date
EP90102397A Withdrawn EP0383180A1 (de) 1989-02-14 1990-02-07 Uhr mit einem Band und einem Gehäuse

Country Status (3)

Country Link
EP (1) EP0383180A1 (de)
JP (1) JPH02240591A (de)
KR (1) KR900013360A (de)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2008112678A2 (en) * 2007-03-15 2008-09-18 Nike, Inc. Watch case formed with a watch band
US8511890B2 (en) 2006-08-27 2013-08-20 Nike, Inc. Rocking bezel control

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH339874A (fr) * 1957-07-04 1959-07-15 Morf Ernest Boîte de montre étanche
DE2626546A1 (de) * 1976-06-14 1977-12-22 Guenter Braumann Integriertes uhrenarmband mit digidaluhr
US4229936A (en) * 1977-04-19 1980-10-28 Fairchild Camera And Instrument Corporation Low-cost watch case and band
FR2455866A1 (fr) * 1979-05-10 1980-12-05 Timex Corp Bracelet de montre d'une seule piece
EP0284700A1 (de) * 1987-03-31 1988-10-05 Marthaler, Willy Zum Tragen durch Personen bestimmter Halter für eine Uhr oder ein Schmuckstück

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH339874A (fr) * 1957-07-04 1959-07-15 Morf Ernest Boîte de montre étanche
DE2626546A1 (de) * 1976-06-14 1977-12-22 Guenter Braumann Integriertes uhrenarmband mit digidaluhr
US4229936A (en) * 1977-04-19 1980-10-28 Fairchild Camera And Instrument Corporation Low-cost watch case and band
FR2455866A1 (fr) * 1979-05-10 1980-12-05 Timex Corp Bracelet de montre d'une seule piece
EP0284700A1 (de) * 1987-03-31 1988-10-05 Marthaler, Willy Zum Tragen durch Personen bestimmter Halter für eine Uhr oder ein Schmuckstück

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7874722B2 (en) 2006-08-27 2011-01-25 Nike, Inc. Watch casing integrally formed with watch band
US8511890B2 (en) 2006-08-27 2013-08-20 Nike, Inc. Rocking bezel control
WO2008112678A2 (en) * 2007-03-15 2008-09-18 Nike, Inc. Watch case formed with a watch band
WO2008112678A3 (en) * 2007-03-15 2009-04-23 Nike Inc Watch case formed with a watch band

Also Published As

Publication number Publication date
JPH02240591A (ja) 1990-09-25
KR900013360A (ko) 1990-09-05

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