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EP0264875B1 - Attache du bracelet à une boîte de montre - Google Patents

Attache du bracelet à une boîte de montre Download PDF

Info

Publication number
EP0264875B1
EP0264875B1 EP87115246A EP87115246A EP0264875B1 EP 0264875 B1 EP0264875 B1 EP 0264875B1 EP 87115246 A EP87115246 A EP 87115246A EP 87115246 A EP87115246 A EP 87115246A EP 0264875 B1 EP0264875 B1 EP 0264875B1
Authority
EP
European Patent Office
Prior art keywords
base
frame
case
fact
undercut
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
EP87115246A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0264875A1 (fr
Inventor
Fraçois Niklès
Gaston Gagnebin
Marco Bettelini
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 EP0264875A1 publication Critical patent/EP0264875A1/fr
Application granted granted Critical
Publication of EP0264875B1 publication Critical patent/EP0264875B1/fr
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
    • G04B37/08—Hermetic sealing of openings, joints, passages or slits
    • G04B37/084—Complete encasings for wrist or pocket watches without means for hermetic sealing of winding stem or crown
    • 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
    • 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
    • G04B37/22—Materials or processes of manufacturing pocket watch or wrist watch cases

Definitions

  • the present invention relates to a wristwatch case comprising a crystal, a middle part serving as a housing for a movement fitted with hands, said middle part having a circular outer periphery devoid of roughness, and a bottom detachably fixed to the middle part, said middle part having on its lower edge two diametrically opposite clearances to each receive a strand of the bracelet, the shape of each clearing being substantially the same as the shape of the strand which is engaged therein and said bottom being shaped to cover said clearances without extending beyond said circumference circular exterior of the middle when the case is closed.
  • the cited document however has several drawbacks.
  • the first is to require special bracelet strands provided with openings coming from one piece with the strands or attached to the latter, which prohibits the use of standard strands with continuous edges such as are commonly found on the market.
  • the next is to require grooves that are complicated to machine in the middle, which are very difficult to make, moreover, if the middle is made of a material that is difficult to machine, such as ceramic, for example.
  • the bracelet generally made of leather or plastic, can deform and still come out of its housing. In any case, this retaining system requires the strand to be engaged over a good length, a length which can be shortened if the means which will appear in the present invention are used.
  • Document CH-B 347 490 describes a device for attaching a bracelet to a watch case which comprises two ears integral with the watch and projecting laterally therefrom and arranged in such a way that the ends of the bracelet are fixed each to one of these ears by an assembly member which avoids the use of bars.
  • the circular outer periphery is not devoid of roughness as will be seen in the present invention so that the fastening device is prominent and leaves apparent, for most of the embodiments described, the fastening system of the bracelet to the box. In addition, no packing is described.
  • the patent FR-A 935 435 describes for its part a strap attachment to a watch which avoids the use of an ordinary clasp. It is actually a device added to a watch that must have its own case and the strands of the bracelet, hung on claws are not covered by a clearance that would be practiced in a middle part as is the case in the present invention, and as is necessary to prevent the bracelet inadvertently disengages from the claws to which it is retained. There also the problem of the water resistance of the watch is not resolved.
  • the present invention overcomes the drawbacks mentioned above by proposing to use the means which appear in the claims.
  • Figure 1 is a top view of the watch case according to the invention and according to a first embodiment.
  • the box is generally designated by 1 and the strands of the bracelet by 2.
  • the circle 3 designates the outer periphery of the case 1 and the circle 4 the inner periphery of a middle part 5.
  • Figure 1 is partially torn at 6 o'clock from its dial to show how it is attached bracelet 2 to box 1.
  • FIG. 2 is a section along line II - II of Figure 1, we find the middle part 5 which is in the form of a ring limited by the circles 3 and 4.
  • the middle 5 is covered by a glass 6 glued or welded.
  • the interior of the middle part 5 serves as a housing for a movement 7 and its dial 8, themselves held in place by a flange 9 and a circle 10.
  • the movement 7 carries needles 22 pivoted about an axis 23.
  • the crystal 6 is provided with a metallization 11 whose edge 12 also appears in FIG. 1.
  • a base 13 is removably fixed to the middle part 5 by means of screws 14 which appear in the figure 3, figure which will be commented on below.
  • a gasket 15 seals the watch in a manner known per se.
  • Figures 1 and 2 further show that the middle part 5 has on its lower edge two diametrically opposite recesses 16 which each receive a strand 2 of the bracelet.
  • the shape of the recesses 16 is substantially the same as the shape of the strands 2 which are engaged therein.
  • At least one projection 17 is integral with the bottom 13. This projection extends in the engagement 16 to receive a corresponding opening 18 made in the strand 2 so that the strand is fixed to the box when the cover is applied under the middle.
  • the bottom 13 has two projections 17, each of the projections being a protuberance made in one piece with the bottom.
  • the base, with the projections which it includes, is produced by turning and milling.
  • a plate 19 which may be metallic and which is inserted into the thickness of the strand.
  • the protrusions of which have the shape of crown segments makes it possible to reduce the total height of the watch as much as possible and is particularly suitable for a ladies' watch. It goes without saying that, --- in this embodiment, the openings 18 made in the strand will also have the same shape of crown segment.
  • FIG. 2 also shows that the face 20 of the clearance 16, extending opposite the part 21 of the bottom 13 covering said clearance, forms with said part two planes between which the strand 2 is sandwiched, the said planes being perpendicular to the axis 23 of the hands 22, to force the strand 2 to emerge from the box in a plane perpendicular to said axis 23.
  • This arrangement will be used for watches of small diameters, particularly for ladies' watches, the diameter of which is at least 22 mm.
  • Figure 3 is a section along line III - III of Figure 1. It shows how the base 13 is fixed to the middle part 5 by screws 14. Figure 1 shows that four fixing points are provided.
  • the middle 5 carries holes 24 in which plugs are driven 25. The plug is then drilled-tapped taking as a reference the internal bore 4 of the middle 5. This technique will be used in the case where the middle is made of hard material , for example ceramic. However, we can do without plugs in the case where the middle part is made of steel or precious metal.
  • Figure 4 is a top view of the watch case according to the invention and according to a second embodiment. This second mode is distinguished from the first only by its attachment system and by the fact that the strands of the bracelet are inclined relative to the axis of the watch hands. Also, we will not return to the construction details which are the same as those explained in connection with FIGS. 1, 2 and 3 and we will simply use the same reference numbers to designate the identical parts.
  • Figure 4 is partially torn at 6 o'clock from its dial to show how the bracelet 2 is attached to the case 1.
  • the middle 5 has on its lower edge two diametrically opposite clearances 16 which receive each a strand 2 of the bracelet.
  • the bottom carries two projections 30 for a clearance 16, these projections being in the form of cylindrical pins driven into the bottom 13. So that the pin is well anchored in the bottom, we give at the bottom an extra thickness 31 at the place where the bottom covers the clearance 16.
  • the pins 30 extend in the clearance 16 to receive a corresponding opening 32 made in the strand 2.
  • the openings 32 are simple circular holes drilled in the strand, holes whose diameter is adjusted to the diameter of the pins 30.
  • the strand can be reinforced by the plate 19.
  • FIGS. 5 and 6 also show that the face 33 of the clearance 16, extending opposite the portion 34 of the bottom 13 covering said clearance, forms with said portion two planes between which the strand 2 is sandwiched, said planes being inclined relative to the axis 23 of the needles 22, at least in the peripheral region of the box 1, to force said strand 2 to emerge from the box in a plane inclined relative to said axis 23.
  • the fixing of the bracelet by pins and the arrangement allowing the inclined emergence of the strands of the bracelet will be used especially on watches having a large diameter, for example 40 mm. In this case, in fact, there is more room for thickness, which makes it possible to strengthen the base for receiving the pins and to take advantage of a simpler fixing system than that of the crown segments of the previous embodiment.
  • the inclined exit of the bracelet strands is justified given the large diameter of the box. This arrangement will allow the bracelet to fit the shape of the wrist as soon as it comes out of the strap from the watch case. If one wishes to reinforce the strand 2 at the place of its fixing, one will use, as for the previous embodiment, a reinforcing plate 19 to which one will also give an inclined shape as seen in FIGS. 5 and 6.
  • the middle part 5 is made of a very hard material such as ceramic or a metal carbide.
  • the recesses 12 will come directly from sintering without requiring subsequent operations. Only the surfaces receiving the glass 6 and the movement 7 will be machined.
  • the middle could be made of another material such as stainless steel or a precious metal such as gold.

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Electric Clocks (AREA)
  • Adornments (AREA)
EP87115246A 1986-10-22 1987-10-19 Attache du bracelet à une boîte de montre Expired - Lifetime EP0264875B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH4200/86 1986-10-22
CH420086A CH666379GA3 (xx) 1986-10-22 1986-10-22

Publications (2)

Publication Number Publication Date
EP0264875A1 EP0264875A1 (fr) 1988-04-27
EP0264875B1 true EP0264875B1 (fr) 1990-06-20

Family

ID=4271663

Family Applications (1)

Application Number Title Priority Date Filing Date
EP87115246A Expired - Lifetime EP0264875B1 (fr) 1986-10-22 1987-10-19 Attache du bracelet à une boîte de montre

Country Status (6)

Country Link
US (1) US4903253A (xx)
EP (1) EP0264875B1 (xx)
JP (1) JPH0814628B2 (xx)
CH (1) CH666379GA3 (xx)
DE (1) DE3763345D1 (xx)
HK (1) HK93893A (xx)

Families Citing this family (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4935910A (en) * 1988-09-12 1990-06-19 Hattori Seiko Co., Ltd. Fitting structure for watch case and band
CH674692B5 (xx) * 1988-11-23 1991-01-15 Tissot Sa
CH679902B5 (xx) * 1990-06-07 1992-11-13 Bratec Baumgartner & Brancaleo
EP0466655A1 (fr) * 1990-07-13 1992-01-15 Isafrance Boitier de montre et dispositif de fixation d'un bracelet
EP0756722B1 (de) * 1994-04-22 1998-07-15 Vacuum Chronometer Corporation Uhrengehäuse
SG95579A1 (en) * 1996-03-22 2003-04-23 Bunz Montress S A Watch housing for a wrist watch
JP2000206272A (ja) * 1998-11-13 2000-07-28 Seiko Instruments Inc 熱発電器付き電子時計
TW517181B (en) * 2001-06-27 2003-01-11 Swatch Group Man Serv Ag Device for attaching wristband strands to a case
US20080310260A1 (en) * 2007-06-07 2008-12-18 Ofer Segal Modular watch and device for securing a watch strap to a watch casing
US9203239B2 (en) 2011-05-26 2015-12-01 Greener-Ice Spv, L.L.C. System and method for improving grid efficiency utilizing statistical distribution control
JP2014520244A (ja) 2011-06-17 2014-08-21 アイス エナジー テクノロジーズ インコーポレーテッド 液体−吸入の熱交換による熱エネルギー貯蔵のためのシステム及び方法
EP2781973B1 (fr) * 2013-03-19 2016-01-06 ETA SA Manufacture Horlogère Suisse Système d'attache d'un brin de bracelet à un boîtier
CH708815B1 (fr) * 2013-11-06 2017-12-29 The Swatch Group Man Services Ag Elément d'habillage pour une carrure d'une montre-bracelet.
USD728624S1 (en) 2014-08-11 2015-05-05 Apple Inc. Electronic device
USD741726S1 (en) 2014-09-08 2015-10-27 Apple Inc. Electronic device
US10064460B2 (en) 2015-09-30 2018-09-04 Apple Inc. Frictional stabilization of band and securement mechanism
USD803072S1 (en) * 2016-03-15 2017-11-21 Citizen Watch Co., Ltd. Wrist watch
USD804329S1 (en) * 2016-03-15 2017-12-05 Citizen Watch Co., Ltd Wrist watch
US10219591B2 (en) 2016-03-21 2019-03-05 Apple Inc. Attachment system for an electronic device
EP3231313A1 (de) * 2016-04-15 2017-10-18 J.R. International GmbH Gehäuse für armbanduhren
US10285643B2 (en) * 2017-09-11 2019-05-14 Apple Inc. Retention system for electronic devices
FR3104006B1 (fr) * 2019-12-10 2022-10-21 Red Earl Montre comprenant au moins un boitier, un bracelet et des moyens de liaison amovible dudit bracelet audit boitier

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH355095A (fr) * 1959-06-10 1961-06-15 Sorna Watch Sa Montre-bracelet

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2225474A (en) * 1938-07-30 1940-12-17 Waterbury Clock Company Wrist-watch case
FR935435A (fr) * 1946-10-29 1948-06-18 Dispositif de fixation et de réglage invisible applicable notamment aux bracelets-montres
CH318509A (fr) * 1954-08-09 1957-01-15 Wyss Alain Dispositif d'accrochage d'un bracelet sur une boîte de montre
CH347490A (fr) * 1959-06-18 1960-06-30 Voumard Bertrand Dispositif d'attache d'un bracelet plat à une boîte de montre
CH619367A4 (xx) * 1967-05-01 1975-05-15
JPS5130003B1 (xx) * 1971-04-20 1976-08-28
US4034552A (en) * 1976-04-05 1977-07-12 Charles Davidson Wrist watch
JPS5426044Y2 (xx) * 1977-02-26 1979-08-29
US4167850A (en) * 1977-08-08 1979-09-18 Fairchild Camera And Instrument Corporation Electronic watch apparatus
US4417821A (en) * 1980-11-15 1983-11-29 Rodi & Wienenberger Ag Wrist watch
JPS5786776A (en) * 1980-11-20 1982-05-29 Citizen Watch Co Ltd Construction to connect watch band to case of wrist watch
CH645498GA3 (en) * 1982-04-14 1984-10-15 Wristwatch
CH648983GA3 (xx) * 1982-07-02 1985-04-30
US4977751A (en) * 1989-12-28 1990-12-18 Thermo King Corporation Refrigeration system having a modulation valve which also performs function of compressor throttling valve

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH355095A (fr) * 1959-06-10 1961-06-15 Sorna Watch Sa Montre-bracelet

Also Published As

Publication number Publication date
JPH0814628B2 (ja) 1996-02-14
CH666379GA3 (xx) 1988-07-29
HK93893A (en) 1993-09-17
DE3763345D1 (de) 1990-07-26
US4903253A (en) 1990-02-20
JPS63111490A (ja) 1988-05-16
EP0264875A1 (fr) 1988-04-27

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