EP0355677B1 - Bracelet de construction métallique et montre munie d'un tel bracelet - Google Patents

Bracelet de construction métallique et montre munie d'un tel bracelet Download PDF

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Publication number
EP0355677B1
EP0355677B1 EP89115064A EP89115064A EP0355677B1 EP 0355677 B1 EP0355677 B1 EP 0355677B1 EP 89115064 A EP89115064 A EP 89115064A EP 89115064 A EP89115064 A EP 89115064A EP 0355677 B1 EP0355677 B1 EP 0355677B1
Authority
EP
European Patent Office
Prior art keywords
bracelet
hinge
knuckle
watch
link
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.)
Expired - Lifetime
Application number
EP89115064A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0355677A1 (fr
Inventor
Laurent Grosjean
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
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 Eta SA Fabriques dEbauches filed Critical Eta SA Fabriques dEbauches
Publication of EP0355677A1 publication Critical patent/EP0355677A1/fr
Application granted granted Critical
Publication of EP0355677B1 publication Critical patent/EP0355677B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • A44C5/14—Bracelets; Wrist-watch straps; Fastenings for bracelets or wrist-watch straps characterised by the way of fastening to a wrist-watch or the like
    • 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 present invention follows from the observation of a problem which had not been perceived until now, and which relates to watches of the non-removable type.
  • watches of the non-removable type have met with growing success.
  • the most well-known of these watches include a box body made of plastic material which forms the periphery and the bottom of the box and the inner surface of which is shaped so as to support all the functional elements of the watch.
  • This box body is covered by a dial through which the cannons of the indicator cogs cross and by a glass which is permanently welded to the box body and holds the dial in place.
  • the strap of these watches was made of flexible plastic and the connection between the case body and the two strands of the strap was preferably carried out by a hinge comprising a rod and two knuckles each provided with at least three eyelets.
  • the rod passes through the eyelets of the two knuckles and is driven into those of the knuckle of the bracelet.
  • the document CH 647917 describes this mode of connection.
  • the box body is made of ABS material while the strap is made of an elastomer or PVC.
  • the materials known under the names ASA or SAN can also be used.
  • the bracelets produced according to these criteria have a much shorter lifespan than that of the watch modules, and the present invention aims to provide a solution to what therefore appears to be a problem, while preserving the advantages of the non-removable type watch.
  • the first object of the invention is a metal construction bracelet comprising at least one end intended to be hingedly connected to a watch case, characterized in that said end comprises a plastic knuckle having at least one eyelet intended to receive a hinge rod, said knuckle being trapped in a hollow metal link.
  • a second object of the invention is a watch comprising a plastic box body and such a bracelet comprising two strands, and each strand of the bracelet is connected to the box body by a hinge, characterized in that the hinge comprises a first knuckle which is in one piece with the case body and of the same material as him, and a second knuckle, in plastic material, and in that the bracelet is made of metal, the second knuckle of the hinge being rigidly fixed to a extreme metal part of the bracelet, said second knuckle being trapped in a hollow metal link.
  • the watch shown in the drawing comprises a box body 1 made of a plastic part such as one of the designated materials by ABS, ASA, or SAN for example. It further comprises a bracelet 2, one strand of which is visible in the drawing.
  • the box body 1 forms in one piece the bottom and the middle of the box and its inner surface is shaped so as to constitute the watch cage, that is to say to directly support all the functional components: oscillator, engine, cog, integrated circuit, etc.
  • a dial 3 covers the components. It is held in place by a glass 4 made of plastic, for example Plexiglas (registered trademark) which is permanently and tightly fixed, for example by welding, in an annular recess 5.
  • the upper surface of the box body is covered with 'a metal cap 6. This cap is held rigidly in place by the glass 4, thanks to a heel 4' extending radially towards the periphery.
  • the box body 1 has a knuckle-shaped configuration, that is to say that it is provided with four ribs 7 projecting on its lower side, covered by a web 8 for connection.
  • the ribs 7 form eyelets. They are pierced with coaxial and circular holes 9, intended to receive an articulation rod 10.
  • a watch of this type can have a service life of several years, for example 5 years or even more.
  • the bottom of the housing is generally provided with an opening provided with a removable hatch, which allows the periodic exchange of the battery.
  • the bracelet 2 connected to the described watch is a metallic type bracelet.
  • the strap of the watch described can be of any type, the one shown in the drawing preferably being a bracelet with rigid links connected by elastic elements.
  • These links are themselves formed from two segments of thin sheet metal cut and bent or stamped so as to form cages in which elastic blades which connect the links to each other are engaged.
  • the links 11 and 12 of the bracelet 2 are rigid elements and connected in an extensible manner without it being necessary to describe them in more detail.
  • the link 12 has a handle 12a on its side adjacent to the link 14. The function of this handle will be specified below.
  • the link comprises two sheet metal elements 15 and 16 and a knuckle 17. These elements 15 and 16 and the knuckle 17 are presented in FIG. 4 in their state before assembly. The two elements 15 and 16 are previously cut and partially folded and stamped so that they can be assembled to one another by a folding operation.
  • the upper element 15 has three bosses 15a, 15b and 15c on its upper face, a flap 15d on the edge intended to be adjacent to the link 12, two lateral tabs 15e, only one being visible in the drawing and three knuckle legs 15f.
  • the two lateral edges each have a recess 16c in which the tongues 15e are engaged.
  • the lower element 16 has a flat surface of generally rectangular shape.
  • the longitudinal sides have a tongue 16a, the other a folded rim 16b, both extending perpendicular to the flat surface.
  • the tongue 16a is intended to be adjacent to the link 12.
  • the knuckle 17 is made of plastic, advantageously of an elastic material chosen from those generally used for the manufacture of plastic bracelets. It comprises three coaxial eyelets 17a of width greater than that of the legs 15f. These eyelets are each pierced with a hole 17b, the holes 17b being coaxial and of diameter slightly smaller than that of the rod 10.
  • the underside of the knuckle 17 is provided with a rectilinear groove 17e, perpendicular to the lateral edges of the bracelet.
  • the upper face of the knuckle has two bosses 17c and 17d, substantially of the same shape as the bosses 15b and 15c of the element 15.
  • the assembly of the link 14 and its attachment to the rest of the bracelet is done by means of a fitting not shown in the drawing.
  • the element 16 is first laid flat, so that the tongue 16a and the flange 16b are turned upwards.
  • the bracelet is then put in place, the handle 12a hooking into the tongue 16a.
  • the knuckle 17 is placed on the element 16, straddling the rim 16b, the latter being engaged in the groove 17th.
  • the element 15 covers the knuckle 17 and the element 16, so that the flap 15d is aligned with the tongue 16a, that the two tongues 15e are engaged in the recesses 16c and that the bosses 15c and 15b are respectively aligned on the bosses 17c and 17d of the knuckle 17.
  • the fitting is then actuated to fold the two tongues 15e and the three tabs 15f. More specifically, the tongues 15e are folded under the underside of the element 16 while the tabs 15f conform to the shape of the eyelets 17
  • the mounting of the bracelet thus produced on the box is done by fitting the eyelets 17a in the spaces between the eyelets 7 of the box, so that the holes 9 are coaxial with the holes 17b, and engagement of the rod 10 in the holes 9 and 17b.
  • This rod 10 is fixed by elastic clamping of the material of the knuckle 17.
  • the watch is largely protected by metal parts, which improves the aesthetics in the long term. Furthermore, the connection of the metal bracelet and the box remains simple, economical and without the risk of seeing the metal bracelet prematurely using the horns or the eyelets of the plastic box. In addition, thanks to the lugs 15f, the part of the plastic strap which is mechanically weakest is substantially reinforced.
  • the hinge has several eyelets both on the bracelet and on the box.
  • the material of the box is sufficiently rigid, it is also conceivable to use a conventional structure with horns and bars. Even in this case, it is possible to use a bracelet according to the invention. In this way, the essential function of the knuckle is to prevent the bracelet from using the horns of the case when the material of the latter is softer than that of the metal of the bracelet.

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Adornments (AREA)
  • Purses, Travelling Bags, Baskets, Or Suitcases (AREA)
  • Electric Clocks (AREA)
  • Physical Vapour Deposition (AREA)
EP89115064A 1988-08-24 1989-08-16 Bracelet de construction métallique et montre munie d'un tel bracelet Expired - Lifetime EP0355677B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
CH3143/88 1988-08-24
CH3143/88A CH673073B5 (nl) 1988-08-24 1988-08-24
SG160594A SG160594G (en) 1988-08-24 1994-11-05 Metal constructed bracelt and watch provided with the same

Publications (2)

Publication Number Publication Date
EP0355677A1 EP0355677A1 (fr) 1990-02-28
EP0355677B1 true EP0355677B1 (fr) 1991-11-13

Family

ID=25692297

Family Applications (1)

Application Number Title Priority Date Filing Date
EP89115064A Expired - Lifetime EP0355677B1 (fr) 1988-08-24 1989-08-16 Bracelet de construction métallique et montre munie d'un tel bracelet

Country Status (18)

Country Link
US (1) US4958334A (nl)
EP (1) EP0355677B1 (nl)
JP (1) JP2593713B2 (nl)
KR (1) KR960010994B1 (nl)
CN (1) CN1023665C (nl)
AR (1) AR244521A1 (nl)
AT (1) ATE69514T1 (nl)
AU (1) AU617632B2 (nl)
BR (1) BR8904162A (nl)
CA (1) CA1323766C (nl)
CH (1) CH673073B5 (nl)
DE (1) DE68900434D1 (nl)
DK (1) DK167372B1 (nl)
ES (1) ES2028424T3 (nl)
GR (1) GR3003759T3 (nl)
HK (1) HK25295A (nl)
MX (1) MX172563B (nl)
SG (1) SG160594G (nl)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2601034Y2 (ja) * 1991-11-29 1999-11-02 シチズン時計株式会社 時計ケースのバンド固定構造
ATE169128T1 (de) * 1992-03-26 1998-08-15 Createc Patent Holding Armbanduhr
US5272683A (en) * 1992-05-20 1993-12-21 Textron Inc. End connector assembly for watch band
US5657515A (en) * 1996-07-16 1997-08-19 Textron, Inc. End connector
WO1998010675A1 (en) * 1996-09-11 1998-03-19 Textron, Inc. Lens top shell
US5724708A (en) * 1996-12-03 1998-03-10 Textron, Inc. End connector assembly for watchband
JP2006314347A (ja) * 2005-05-10 2006-11-24 Seiko Instruments Inc 時計用バンド及び腕時計
DE602007003946D1 (de) * 2007-01-29 2010-02-04 Tissot Sa Uhr mit polygonaler Lünette
USD558614S1 (en) * 2007-03-29 2008-01-01 Florian Strasser Watch case
CH708815B1 (fr) * 2013-11-06 2017-12-29 The Swatch Group Man Services Ag Elément d'habillage pour une carrure d'une montre-bracelet.
JP6284042B2 (ja) * 2015-12-10 2018-02-28 カシオ計算機株式会社 バンドおよび時計
EP3474084A1 (fr) * 2017-10-20 2019-04-24 Montres Breguet S.A. Dispositif de fixation d'un bracelet

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1760913A (en) * 1928-05-11 1930-06-03 Wadsworth Watch Case Co End connecter for bracelets
US2652612A (en) * 1950-07-25 1953-09-22 Kestenman Bros Mfg Co Means for connecting bracelets to wrist watches
CH352965A (fr) * 1958-03-13 1961-03-15 Emir S A Procédé de fabrication d'une carrure de boîte de montre-bracelet et carrure obtenue par ce procédé
US3897612A (en) * 1974-07-25 1975-08-05 Textron Inc End attachment for watch bands and self-contained component for use in making the same
JPS5868110U (ja) * 1981-10-30 1983-05-09 オリエント時計株式会社 時計バンド
CH647917GA3 (nl) * 1982-06-11 1985-02-28
CH657743GA3 (nl) * 1984-12-10 1986-09-30
JPS6341564A (ja) * 1986-08-01 1988-02-22 ストウフア−　ケミカル　カンパニ− ポリウレタン組成物のための難燃剤
US4653933A (en) * 1986-09-11 1987-03-31 Timex Corporation Resin watch case with hidden lug support
FR2612747B1 (fr) * 1987-03-23 1989-06-09 Rado Montres Sa Bracelet comportant une ame souple
US4837901A (en) * 1988-04-25 1989-06-13 Textron, Inc. End connector for expansible watch band
US4825427A (en) * 1988-04-25 1989-04-25 Bulova Watch Co., Inc. Wrist watch case and bracelet assembly

Also Published As

Publication number Publication date
JP2593713B2 (ja) 1997-03-26
GR3003759T3 (nl) 1993-03-16
KR960010994B1 (ko) 1996-08-16
CN1023665C (zh) 1994-02-02
AR244521A1 (es) 1993-11-30
CA1323766C (en) 1993-11-02
SG160594G (en) 1995-03-17
CH673073B5 (nl) 1990-08-15
DK167372B1 (da) 1993-10-25
AU617632B2 (en) 1991-11-28
DE68900434D1 (de) 1991-12-19
EP0355677A1 (fr) 1990-02-28
CN1040687A (zh) 1990-03-21
DK415989A (da) 1990-02-25
US4958334A (en) 1990-09-18
CH673073GA3 (nl) 1990-02-15
ES2028424T3 (es) 1992-07-01
HK25295A (en) 1995-03-03
AU4015989A (en) 1990-03-01
BR8904162A (pt) 1990-04-10
JPH02107204A (ja) 1990-04-19
DK415989D0 (da) 1989-08-23
MX172563B (es) 1994-01-03
KR900002736A (ko) 1990-03-23
ATE69514T1 (de) 1991-11-15

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