EP0150527B1 - Montre étanche - Google Patents

Montre étanche Download PDF

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Publication number
EP0150527B1
EP0150527B1 EP84201763A EP84201763A EP0150527B1 EP 0150527 B1 EP0150527 B1 EP 0150527B1 EP 84201763 A EP84201763 A EP 84201763A EP 84201763 A EP84201763 A EP 84201763A EP 0150527 B1 EP0150527 B1 EP 0150527B1
Authority
EP
European Patent Office
Prior art keywords
watch
case
water
fact
glass
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
Application number
EP84201763A
Other languages
German (de)
English (en)
Other versions
EP0150527A1 (fr
Inventor
Josef Bettschen
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.)
MONDAINE WATCH Ltd
Original Assignee
MONDAINE WATCH Ltd
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 MONDAINE WATCH Ltd filed Critical MONDAINE WATCH Ltd
Publication of EP0150527A1 publication Critical patent/EP0150527A1/fr
Application granted granted Critical
Publication of EP0150527B1 publication Critical patent/EP0150527B1/fr
Expired 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
    • G04B39/00—Watch crystals; Fastening or sealing of crystals; Clock glasses
    • 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
    • G04B39/00—Watch crystals; Fastening or sealing of crystals; Clock glasses
    • G04B39/02—Sealing crystals or glasses

Definitions

  • the invention relates to a waterproof watch with a sealing ring clamped between the watch glass and an inner shoulder of the housing.
  • the watch glass is generally held by a glass ring, which must press the edge of the watch glass against the inner case shoulder with a sufficiently strong force such that the sealing ring is compressed sufficiently and uniformly to achieve perfect water resistance.
  • a glass ring which must press the edge of the watch glass against the inner case shoulder with a sufficiently strong force such that the sealing ring is compressed sufficiently and uniformly to achieve perfect water resistance.
  • the narrow tolerances of the parts to be connected which were previously required for the perfect closure of a small watch, complicate and increase the cost of manufacture and, under certain circumstances, assembly.
  • a known waterproof watch with the features specified in the preamble of claim 1 is described in EP-A-0 006 077. Thereafter, the clamping slides consist of two separate round pins which are inserted into the slots provided between the respective housing flange and the adjacent outer edge of the watch glass. The glass edges on the two opposite flange-free housing sides are exposed and in particular have facets that extend to the edge of the housing.
  • a small watch also provided with clamping slides in the form of round pins, is known.
  • the slots into which the pins can be inserted for the purpose of axially pressing the watch glass against the sealing ring are formed from mutually opposing grooves on the outer circumference of the middle part of the housing and the inner circumference of a bezel which surrounds the middle part of the housing and is directed radially inwards
  • the flange rests on the edge of the watch glass.
  • the one ends of the two pins are connected to one another by a part forming a band connection, which in the assembled state of the pins abuts the band connection side of the housing and can be fastened there with a screw.
  • the two other pin ends protruding on the opposite band connection side of the housing are provided with screws to which the other band connection can be fastened.
  • the invention has for its object to simplify the manufacture and assembly of a watertight watch, in particular with a rectangular molded housing made of plastic, and to design it in such a way that reliable compression of the sealing ring and thus integrity watertightness is achieved without special effort, whereby it exact tolerances of the interacting parts are not important.
  • the measure according to the invention is advantageously used in a molded housing made of plastic, in particular a rectangular housing.
  • the invention also relates in principle to oval small clocks and generally watch cases which have curved upper edge sections of some shape on opposite sides.
  • the elastically flexible legs which may already have a curvature corresponding approximately to the curved shape of the relevant edge sections, then adapt to the shape of the slots and thus the relevant edge sections.
  • the wristwatch has a rectangular housing 1 made of plastic, preferably in the form of an injection molded part, in which the middle part of the housing and the base are made in one piece.
  • a rectangular housing 1 made of plastic, preferably in the form of an injection molded part, in which the middle part of the housing and the base are made in one piece.
  • shoulders 2 with radially inwardly projecting flanges 3 are formed, each of which delimits an inner housing groove 4 which extends over the entire length of the housing side in question.
  • the upper housing edge 5 lies at the level of the inner housing wall section forming the bottom of the groove 4.
  • the wristwatch has a pot-shaped watch glass 6 with a rim 6a projecting radially outwards. Between the underside of this watch glass rim 6a and an inner shoulder 9 provided on the housing 1, a sealing ring 7 is inserted, the radially inner area of which is somewhat thinner than the rest of the ring area and overlaps the edge of the dial 10, which is arranged above the clockwork 11.
  • FIG. 1 a illustrates the clamping slides 8, 8 a to be inserted in the direction of the arrows and their position, shown in solid lines, in the finished assembled wristwatch, the remaining parts of which are only shown in broken lines.
  • the arrangement is such that, in the case of not yet attached clamping slides and watch glass 6 placed loosely on the sealing ring 7, the distance between the underside of the flanges 3 and the top of the watch glass rim 6a is so much smaller than the thickness of the legs 8a of the clamping slides that when inserting the same the watch glass 6 is pressed downwards with sufficient compression of the sealing ring 7.
  • the legs 8a of the two clamping slides are each about half as long as a longitudinal side of the housing, so that in the assembled state the slots mentioned are practically completely filled by the legs 8a and therefore the relevant glass edges are pressed over their entire length by the legs 8a.
  • the base part 8 of each clamping slide is stepped on its underside in such a way that the inwardly offset surface section 8b facing the legs 8a lies in the same plane as the underside of the legs 8a and therefore, in the fully inserted state, the watch glass rim 6a overlaps the flange-free housing sides (FIG. 3), while the other surface section 8c rests on the upper housing edge 5.
  • the thickness of the base part 8 is also so much greater than the thickness of the legs 8a that the exposed upper side of the base part 8 of each clamping slide lies in the same plane as the outside of the watch glass 6 in the assembled state.
  • the ends 8d of the legs 8a are tapered in a wedge shape to facilitate insertion, and in addition the base part 8 has the ends 8e laterally slightly projecting from the outside of the legs 8a.
  • the flanges 3 do not protrude from the edge of the watch glass 6a, so that when the watch is put together, the watch glass 6 can be easily inserted into the housing 1 from the top and placed on the sealing ring 7.
  • the two clamping slides are then inserted, in the manner of drawers, under the flanges 3 into the slots mentioned, until the base part 8 of the clamping slides engages over the edge of the watch glass 6 a and lies against the side wall of the watch glass 6.
  • the legs 8a of the clamping slides on the one hand and their base parts 8 on the other hand then have the function of a glass ring holding and pressing the watch glass. Due to the gap between the inner ends of the flanges 3 and the side wall of the watch glass 6, the legs 8a of the clamping slide are partially visible.
  • the clamping slides can be made of metal or plastic and contribute to the decorative exterior of the small watch, whereby they can differ from the housing 1 in appearance, in particular in material and / or color.
  • the second exemplary embodiment shown in FIG. 6 has the same parts provided with the same reference numerals as the first exemplary embodiment according to FIGS. 1 to 5 and differs only in that the radially inwardly projecting flanges 3 of the housing 1 overlap the watch glass rim 6a, so that the slots enclosing the inner housing grooves 4, into which the legs 8a of the clamping slides are inserted, are practically closed.
  • the watch glass 6 on one flange-free narrow side of the housing 1 inserted in the manner of a drawer, the watch glass rim 6a engaging under the flanges 3.
  • the two clamping slides are then pushed in with compression of the sealing ring 7.
  • the invention also relates to small clocks, the edge of which delimits the opening for the watch glass, in particular small clocks of oval shape.
  • the clamping slides to be used then have elastically flexible legs, which preferably already have a curvature corresponding approximately to the curved edge shape and adapt to the curved slots between the flange and the edge of the watch glass when inserted.
  • the base part of the clamping slide is then adapted in its shape to the curved shape of the flange-free housing sides.
  • the housing 21 has on its opposite, slightly curved sides radially inwardly projecting flanges 13.
  • the oval watch glass 16 is again pot-shaped and has a radially outwardly projecting edge 16a which lies on an inner housing shoulder with the interposition of a sealing ring 17.
  • the sealing ring 17 overlaps the dial 20 arranged on the clockwork 11.
  • the flanges 13 and the clock glass rim 16a delimit correspondingly curved inner slots.
  • the clamping slides 18, 18a which are made of an elastically bendable material, have a base part 18, the curved shape of which is adapted to the curvature of the housing 21 on its sides having the band connections 22, and slightly curved legs 18a, the shape of which roughly corresponds to the curvature of the flanges 13 Corresponds to the sides of the housing.
  • the legs 18a adapt to the course of the slots between the flanges 13 and the watch glass rim 16a.
  • the watch glass 16 is pressed down accordingly by compressing the sealing ring 17. In this way, a reliable surface seal is created, which guarantees the perfect tightness of the wristwatch.
  • the base parts 18 of the clamping slides resting on the upper edge of the watch glass on the strap connection sides which in the example considered have a bevel in the outer area, in turn have the function of frosted glass sections and, through their decorative design, also decisively determine the outer appearance of the watch.
  • the arrangement can also be such that the upper flanges of the housing delimiting the slots mentioned extend along the band connecting sides of the housing and accordingly the clamping slides are inserted from the other two sides of the housing.
  • the clamping slides are generally clamped so strongly by the compressed sealing ring in the assembled state that no additional fastening is required, an additional fixing can be provided if necessary.
  • the base parts 8 or 18 can be screwed onto the housing 1 or locked in some other way. It is also possible to additionally fix base parts or legs by means of latching or latching elements.

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Electric Clocks (AREA)
  • Materials For Medical Uses (AREA)

Claims (11)

1. Montre étanche comprenant une garniture d'étanchéité (7; 17) disposée entre la glace (6; 16) et une portée intérieure du boîtier (1; 21), le bord supérieur du boîtier étant muni sur deux côtés opposés, de rebords (3; 13) faisant saillie radialement vers l'intérieur et dont la face inférieure est située à une certaine distance du bord de la glace (6a; 16a) et comprenant également des clavettes de verrouillage (8a; 18a) engageables, par l'un des côtés du boîtier non munis de rebords, dans les fentes formées entre chaque rebord (3; 13) et le bord de la glace (6a; 16a), en comprimant la garniture d'étanchéité (7; 17), caractérisé en ce qu'il est prévu deux clavettes en forme d'arceau constituée chacune d'une base (8; 18) et de deux bras (8a; 18a), les bras de ces clavettes étant engageables dans les fentes de deux côtés opposés du boîtier et remplissant au moins approximativement toute la longueur des fentes à l'état monté, et en ce que les bases (8; 18) des deux clavettes s'étendent chacune sur le bord de la glace (6a; 16a) sur les côtés du boîtier non munis de rebords.
2. Montre étanche selon la revendication 1, caractérisée en ce que les bras (18a) des clavettes (18; 18a), de préférence en matière synthétique ou en métal, sont élastiquement flexibles et peuvent par conséquent s'adapter à une courbure éventuelle des fentes et des bords de la glace et en ce que la base (18) de la clavette est adaptée à la courbure éventuelle de la partie du boîtier, respectivement de la glace sur laquelle elle repose.
3. Montre étanche selon l'une des revendication 1 ou 2, caractérisé en ce que le base (8) reliant les deux bras (8a) de chacune des clavettes est étagée sur sa face inférieure, la face de cette partie étagée située du côté des bras (8b) étant dans le même plan que le côté inférieur des bras (8a), tandis que l'autre face (8c) de cette partie étagée repose sur le bord supérieur du boîtier (5) du côté du boîtier libre de rebord correspondant.
4. Montre étanche selon l'une des revendications 1 à 3, caractérisée en ce que la glace (6) est en forme de calotte et présente un bord en forme de talon (6a) dirigé radialement vers l'extérieur, la base (8) des clavettes étant de préférence d'une épaisseur telle que sa face supérieure est dans le même plan que la face extérieure de la glace (6).
5. Montre étanche selon l'une des revendications 1 à 4, caractérisée en ce que les rebords faisant saillie vers l'intérieur (3) du boîtier (1 ) ne recouvrent pas le bord de la glace (6a) et que par conséquent, dans le cas d'une glace calotte (6) à talon (6a), une fente subsiste entre les rebords (3) et la paroi latérale de la glace (6), fente dans laquelle les bras (8a) des clavettes sont partiellement visibles.
6. Montre étanche selon l'une des revendications 1 à 4, caractérisée en ce que les rebords faisant saillie vers l'intérieur recouvrent le bord de la glace.
7. Montre étanche selon l'une des revendications 1 à 6, caractérisé en ce que les extrémités (8d) des bras (8a) des clavettes présentent un amincissement en forme de coin.
8. Montre étanche selon l'une des revendications 1 à 7, caractérisée en ce que la base (8) des clavettes présente des extrémités dépassant latéralement les côtés extérieurs des clavettes (8a).
9. Montre étanche selon l'une des revendications 1 à 8, caractérisée en ce que les clavettes (8, 8a) sont additionnellement fixables à l'état monté.
10. Montre étanche selon l'une des revendications 1 à 9, caractérisée en ce que les clavettes (8, 8a) sont en un matériau et/ou d'une couleur différente du boîtier (1 ).
11. Montre étanche selon l'une des revendications 1 à 10, caractérisée en ce que le boîtier (1 ) est un boîtier de forme en matière synthétique, de préférence rectangulaire, les rebords (3) s'étendant de préférence le long des côtés ne présentant pas de moyen de fixation d'un bracelet (12).
EP84201763A 1983-12-20 1984-11-30 Montre étanche Expired EP0150527B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH677183 1983-12-20
CH6771/83 1983-12-20

Publications (2)

Publication Number Publication Date
EP0150527A1 EP0150527A1 (fr) 1985-08-07
EP0150527B1 true EP0150527B1 (fr) 1988-06-01

Family

ID=4314766

Family Applications (1)

Application Number Title Priority Date Filing Date
EP84201763A Expired EP0150527B1 (fr) 1983-12-20 1984-11-30 Montre étanche

Country Status (6)

Country Link
US (1) US4558956A (fr)
EP (1) EP0150527B1 (fr)
JP (1) JPS60152978A (fr)
KR (1) KR910009737B1 (fr)
BR (1) BR8406171A (fr)
DE (1) DE3471772D1 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH660277GA3 (fr) * 1985-04-09 1987-04-15
EP1916576B1 (fr) * 2007-07-02 2014-12-17 Rolex Sa Boîte de montre-bracelet étanche
US9436163B2 (en) * 2014-06-23 2016-09-06 Google Technology Holdings LLC Locking pins for a wearable device

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH214660A (fr) * 1940-03-21 1941-05-15 Muller Marcel Boîte de montre étanche.
CH217009A (fr) * 1940-10-25 1941-09-30 Anonyme Taubert Freres Societe Boîte de montre.
CH480679A (fr) * 1967-03-17 1969-12-15 Siegrist Edouard Boîte de montre étanche, de forme
CH617563B (fr) * 1978-06-02 Rado Montres Sa Boite de montre etanche a verre polygonal.
FR2476340A1 (fr) * 1980-02-20 1981-08-21 Shafa Daryoush Boitier de montre compose de deux parties emboitables a la maniere d'un tiroir

Also Published As

Publication number Publication date
BR8406171A (pt) 1985-09-24
EP0150527A1 (fr) 1985-08-07
JPS60152978A (ja) 1985-08-12
US4558956A (en) 1985-12-17
DE3471772D1 (en) 1988-07-07
KR850004671A (ko) 1985-07-25
KR910009737B1 (ko) 1991-11-29

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