WO1994002888A1 - Cadran de montre - Google Patents

Cadran de montre Download PDF

Info

Publication number
WO1994002888A1
WO1994002888A1 PCT/EP1993/001944 EP9301944W WO9402888A1 WO 1994002888 A1 WO1994002888 A1 WO 1994002888A1 EP 9301944 W EP9301944 W EP 9301944W WO 9402888 A1 WO9402888 A1 WO 9402888A1
Authority
WO
WIPO (PCT)
Prior art keywords
dial
elevator shaft
shell
shaft
watch
Prior art date
Application number
PCT/EP1993/001944
Other languages
German (de)
English (en)
Inventor
Elmar Mock
Matthias Hell
Original Assignee
Createc Patent Holding Societe Anonyme
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 Createc Patent Holding Societe Anonyme filed Critical Createc Patent Holding Societe Anonyme
Publication of WO1994002888A1 publication Critical patent/WO1994002888A1/fr

Links

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
    • 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
    • G04B19/00—Indicating the time by visual means
    • G04B19/06—Dials
    • 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
    • G04B37/0008—Cases for pocket watches and wrist watches
    • G04B37/0058—Cases for pocket watches and wrist watches for shaped watches
    • 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
    • G04B37/06—Forming the passage for the winding stem through the case; Divided winding stems
    • 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

Definitions

  • the invention relates to a wristwatch or pocket watch and to a method for producing a wristwatch or pocket watch according to the preambles of the independent claims.
  • Casings of wrist and pocket watches have in common that they have a shell and a cover glass.
  • the shell serves to hold the clockwork and the dial, the cover glass closes the shell on one side and enables the dial to be viewed from the outside.
  • the external setting of the clockwork of such wristwatches and pocket watches can be carried out by means of an elevator shaft which is operated manually via a crown.
  • the passage of the elevator shaft often consists of a sleeve embedded in the shell, also called a tube, and is sealed with an annular seal.
  • a watch case consisting of only one shell and one cover glass limits the design options in general for the shape and, for example, also of the dial, since the dimensions of the latter must either match those of the shell and cover glass, or since the shell and cover glass must follow the shape of the dial.
  • the technical problems in the realization of watch cases of various sizes are considerable, since the workpieces used have to be worked exactly with each other in order to achieve a satisfactory seal.
  • the construction, assembly and maintenance of such watch cases are complex. For this reason, standardized watch cases are largely used.
  • a possible solution to the technical problems mentioned is, for example, the use of a new type of watch case, in which the dial is also included in addition to the shell and cover glass.
  • a watch case is disclosed in Swiss Patent Application No. 00960/92 dated March 26, 1992.
  • the dial is in a sandwich structure between the bowl and cover glass, whereby the bowl and cover glass are each attached directly to the dial.
  • the inclusion of the dial in the construction of the watch case not only allows the desired greater freedom of design when designing the watch, but also leads to simplifications and consequently cost reductions in the manufacturing process itself.
  • the invention achieves this by providing the dial directly with a passage and a bearing for the elevator shaft and with targeted reinforcements and stiffeners in this area.
  • the seal can thus be provided directly between the dial and the elevator shaft.
  • the elevator shaft has a recess for a sealing ring, with which the passage of the elevator shaft is sealed directly by the dial.
  • Such a dial now has a shape that extends in three dimensions and can preferably also perform the function of a carrier for the clockwork.
  • the dial does not necessarily have to be part of the watch case in such a way that it is completely enclosed by the shell and the cover glass, since such a three-dimensional dial according to the invention can also be installed in the watch case, which thus only consist of the bowl and cover glass.
  • a three-dimensional dial can advantageously be included in the construction of watch cases with a sandwich structure in accordance with the above-mentioned Swiss patent application No. 00960/92, so that the shell or cover glass protrude outwards in certain areas beyond the dial can.
  • the dial Due to the inventive design of the dial with a bearing for the elevator shaft, the dial is transformed into a load-bearing element of the watch.
  • the design freedom for this load-bearing element has been expanded so that for the first time it is possible, even with a flat watch, to create a load-bearing element that is sufficiently strong in the area of the bushing for the elevator shaft, or in other words, one allow sufficient addition of material.
  • This strong design is made possible because a single element is provided in the area of the elevator shaft and thus there are no separating points between the elements (such as the shell and dial), which always result in a weakening.
  • the invention also fulfills the condition of fully utilizing the design possibilities with regard to the shape of the dial and moreover allows the crown to be included more in the artistic design of the watch.
  • the installation of crowns of various dimensions is now possible.
  • the dial and crown can therefore be designed as a unit, which creates an additional and highly desirable networking of the decorative elements.
  • This invention is based on the use of a three-dimensional dial which is characterized by a volume, in particular in the area of the elevator shaft, and which is thus designed to receive, seal and carry out the elevator shaft in the dial.
  • the dial now also has supporting functions. This is a profound innovation compared to conventional watches with flat dials. The manufacturing process is simplified as a result of the compression of the functions that are now assigned to the dial. Based on the watch case with sandwich structure described in Swiss patent application No. 00960/92, the shell and cover glass are now primarily used to seal the watch case and to enable the view of the dial, which is inexpensive due to the extensive use of standardized components can be accomplished.
  • the clockwork it is now possible to attach the clockwork to the dial, to provide it with hands and to equip it directly with the original winding shaft (instead of the usual provisional mounting shaft), so that a finished assembly unit is created that only. is still to be provided with a bottom or a dish and a cover slip.
  • the essence of this invention is therefore the integration of the elevator shaft in the three-dimensional dial.
  • the dial is given a suitable volume so that the waterproof seal of the elevator shaft can also be made therein. This is advantageously done by using a sealing ring, which usually consists of elastic material, which is inserted, for example, into a recess on the elevator shaft, so that the elevator shaft leads axially through this sealing ring.
  • the present invention essentially permits one more compact design for the passage of the elevator shaft, in which no further elements are required apart from the seal.
  • the use of the sleeve for mounting the elevator shaft seal which is primarily due to assembly reasons, is superfluous by the present invention due to the implementation through the dial.
  • FIG. 1 shows a longitudinal section through part of the clock according to the invention along the position of the hour hand at “3 o'clock” on the dial, the winding shaft leading through the dial.
  • FIGS. 2 and 4 each show a side view of the housing with a cross section through part of the housing.
  • Figure 3 shows a longitudinal section through a clock according to the invention along the position of the hour hand at "3 o'clock" on the dial, the winding shaft leading through the dial and the shell.
  • FIG. 5 shows a longitudinal section through a watch according to the invention in which the winding shaft leads through the dial and the cover glass.
  • FIG. 6 shows a side view with a cross section through part of the housing of the watch according to the invention.
  • Figure 7 shows a perspective view of various parts of a clock again.
  • FIG. 8 also shows only one dial in a perspective view.
  • FIG. 1 shows a wristwatch or pocket watch according to the invention, which is characterized in that the winding shaft leads through the dial.
  • the clock has been schematized and is accordingly shown in a highly simplified manner.
  • the watch is shown in a longitudinal section along the position of the hour hand at "3 o'clock" on the dial.
  • the watch case consists of a shell 1, a cover glass 2 and a dial 3.
  • the domed cover glass 2 is fastened on the three-dimensional dial 3 via the connection 11, the shell 1 in turn is fastened on the dial 3 via the connection 12 .
  • the connections 11 and 12 are preferably cohesive connections, serve at the same time for sealing and can be implemented by means of common and known in clock technology, such as ultrasonic welding and gluing.
  • the clockwork 7 is held by the dial and the shell 3 by means of a means disclosed in Swiss patent application No. 00960/92 and therefore not described in more detail here.
  • the elevator shaft 5 is attached to the clockwork 7 brings and is carried out through the dial 3 through the dial 3 out of the watch case.
  • the manual setting of the watch is carried out with the crown 8 attached to the outer end of the elevator shaft.
  • the passage 4 of the elevator shaft 5 is sealed in a water-tight manner by an annular seal 6 inserted into a recess 9 in the elevator shaft 5 by this seal 6 axially encloses the elevator shaft 5 and is laterally present in the bushing 4 in the dial 3.
  • the dimensions of the recess 9 and the seal 6 are expediently chosen such that the seal 6 only slightly exceeds the outer diameter of the elevator shaft 5, so that the seal 6 is placed on the elevator shaft 5 and these are inserted into the passage 4 of the dial 3 can.
  • FIG. 2 relates to the embodiment of the wristwatch or pocket watch according to the invention shown in FIG. 1 and shows a partial cross section through the watch housing along the position of the hour hand at "3 o'clock" on the dial 3.
  • the connection 11 of cover glass 2 and Dial 3 and the connection 12 of shell 1 and dial 3 are located at this point above or below the passage 4 of the elevator shaft 5 through the dial.
  • FIGS. 1 and 2 show a second variant of the wristwatch or pocket watch according to the invention, which is constructed similarly to that in FIGS.
  • FIG. 3 shows in longitudinal section how the elevator shaft 5, seen from the clockwork 7, first passes through the passage 4.1 of the shell 1 and then through the passage 4 of the dial 3.
  • the seal 6 seals the winding shaft 5 against the dial 3.
  • FIGS. 3 and 4 The assembly of the wristwatch or pocket watch according to the invention shown in FIGS. 3 and 4 is expediently carried out in such a way that after the clockwork 7 has been attached to the dial 3, the seal 6 is pushed into the recess 9 in the winding shaft 5 and the crown 8 on the Elevator shaft 5 is set. Thereupon the elevator shaft 5 is first inserted into the passage 4 of the dial 3 and further into the passage 4.1 of the shell 1 and attached to the clockwork 7. The clock hands 10 are then placed on the pointer shaft. These steps take place before the final attachment of cover glass 2 and dish 1 to dial 3 via connections 11 and 12.
  • FIGS. 5 and 6 describe a third variant of the wristwatch or pocket watch according to the invention, which is characterized in that the winding shaft 5 leads through the dial 3 and the cover glass 2.
  • FIG. 5 shows a section through the clock along the position of the hour hand at "3 o'clock”.
  • FIG. 6 shows a corresponding cross section through a part the wall of the watch case. 5 and 6, the outer border 2.1 of the cover glass 2 has been pulled down over the dial 3, so that the side face 3.1 of the dial 3 in the area of the passage 4 for the elevator shaft 5 through the dial 3 is completely removed from the border 2.1 of the cover slip is enclosed.
  • the implementation of the elevator shaft 5 therefore leads from the clockwork 7, first through the implementation 4 of the dial 3 and then through the implementation 4.2 of the cover glass 2.
  • FIGS. 5 and 6 The assembly of the wristwatch or pocket watch according to the invention shown in FIGS. 5 and 6 is expediently carried out in such a way that the clockwork 7 is first attached to the dial 3. Then the seal 6 is pushed into the recess 9 of the winding shaft 5, the crown 8 is placed on the winding shaft 5 and the clock hands 10 are fastened on the pointer shaft. Now the cover glass 2 is fastened to the dial 3 by means of the connection 11. Finally, the actual assembly of the elevator shaft 5 takes place in such a way that the elevator shaft 5 first in the passage 4.2 of the cover glass 2 and then in the bushing 4 of the figure sheet 3 inserted and finally attached to the clockwork 7.
  • FIGS. 3 and 5 show feedthroughs, viewed through the dial, the cover glass and the shell in a certain order from outside the clock.
  • the order shown is: cover glass - dial - bowl. Any other order can be provided in the same or corresponding manner and with the same advantages.
  • FIG. 7 shows schematically and in the unassembled position relative to one another a dial 15 according to the invention with a passage 16 for an elevator shaft not used here, with a clockwork 17 already fastened to the dial with a pointer shaft 18 and pointers 19 and 20 placed thereon.
  • the dial 15 points here a slightly raised upper edge 21, on which a cover slip 22 can be placed and firmly attached.
  • a shell or a bottom 23 is also to be fastened to the dial from below.
  • the dial 15 with the hands 19, 20, the clockwork 17 and the winding shaft here forms a fully preassembled unit.
  • a circumferential line 28 is also drawn here on the outer circumference of the clock.
  • the strengthening and stiffening of the dial 15 is mainly provided in directions perpendicular to the circumferential line. Arrows 29 and 30 indicate this direction.
  • FIG. 8 shows a further exemplary embodiment of a dial 24 according to the invention with a holder 25 and a bushing 26 for an elevator shaft, which is indicated here by an axis 27.
  • the holder 25 has a certain volume, but is only provided in the area of the passage 26 of the elevator shaft, and here the dial is specifically reinforced and stiffened.
  • the holder is designed as a closed ring, which also forms the outer circumference of the watch.
  • the height of the clock can be kept low, since the shell can be made correspondingly delicate, so that it hardly adds any height.
  • the dial now carries out load-bearing functions specifically where the loads also have a strong impact and that separating points (as previously between the dial and the shell) can now be removed from this highly stressed area to such an extent that the watch is in overall no longer weaken as before.
  • the shell can also be made lighter, since it is only exposed to lighter loads and because the loads are better distributed overall.
  • This arrangement and its advantages are supported by the fact that preferably material connections between the shell and the dial and between the dial and cover glass are provided.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Electric Clocks (AREA)

Abstract

Une montre-bracelet ou une montre de poche comprend un boîtier (1), un verre (2) et un cadran (3). Afin de simplifier le montage et de multiplier les formes possibles de la montre, le cadran tridimensionnel (3) a un volume suffisant pour recevoir un passage (4) pour un arbre de remontage (5). Ce passage (4) dans le cadran (3) est rendu étanche à l'eau par une garniture d'étanchéité (6) montée dans un évidement (9) sur l'arbre de remontage (5).
PCT/EP1993/001944 1992-07-24 1993-07-22 Cadran de montre WO1994002888A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH235392 1992-07-24
CH2353/92-9 1992-07-24

Publications (1)

Publication Number Publication Date
WO1994002888A1 true WO1994002888A1 (fr) 1994-02-03

Family

ID=4231806

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP1993/001944 WO1994002888A1 (fr) 1992-07-24 1993-07-22 Cadran de montre

Country Status (1)

Country Link
WO (1) WO1994002888A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2284490A (en) * 1993-11-30 1995-06-07 Citizen Watch Co Ltd A watch and assembling method therefor

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1366112U (fr) *
CH260129A (fr) * 1947-05-30 1949-02-28 Jaeger Charles Montre-bracelet.
FR1119311A (fr) * 1955-01-12 1956-06-19 Francois Miserez Ets Boîtier de moutre avec cadran pris dans la masse de la lunette
CH336767A (fr) * 1958-02-11 1959-02-28 Grimm Raoul Boîte étanche pour montre
DE1882484U (de) * 1963-08-14 1963-11-07 Lust & Co Armbanduhrgehaeuse.
CH544961A (fr) * 1972-06-09 1974-01-15 Leon Fresard S A Montre comportant un mouvement porté par un cadre d'encageage
GB2115954A (en) * 1982-03-04 1983-09-14 Timex Corp Watchcase assembly with integral plastics strap and bezel
EP0221233A1 (fr) * 1985-10-07 1987-05-13 Eta SA Fabriques d'Ebauches Pièce d'horlogerie dont la boîte est réalisée en un matériau dur

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1366112U (fr) *
CH260129A (fr) * 1947-05-30 1949-02-28 Jaeger Charles Montre-bracelet.
FR1119311A (fr) * 1955-01-12 1956-06-19 Francois Miserez Ets Boîtier de moutre avec cadran pris dans la masse de la lunette
CH336767A (fr) * 1958-02-11 1959-02-28 Grimm Raoul Boîte étanche pour montre
DE1882484U (de) * 1963-08-14 1963-11-07 Lust & Co Armbanduhrgehaeuse.
CH544961A (fr) * 1972-06-09 1974-01-15 Leon Fresard S A Montre comportant un mouvement porté par un cadre d'encageage
GB2115954A (en) * 1982-03-04 1983-09-14 Timex Corp Watchcase assembly with integral plastics strap and bezel
EP0221233A1 (fr) * 1985-10-07 1987-05-13 Eta SA Fabriques d'Ebauches Pièce d'horlogerie dont la boîte est réalisée en un matériau dur

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2284490A (en) * 1993-11-30 1995-06-07 Citizen Watch Co Ltd A watch and assembling method therefor
US5592443A (en) * 1993-11-30 1997-01-07 Citizen Watch Co., Ltd. Structure of a watch and assembling method thereof
GB2284490B (en) * 1993-11-30 1998-07-01 Citizen Watch Co Ltd Structure of a watch

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