EP0573386A1 - Montre à lunette tournante - Google Patents

Montre à lunette tournante Download PDF

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Publication number
EP0573386A1
EP0573386A1 EP93810361A EP93810361A EP0573386A1 EP 0573386 A1 EP0573386 A1 EP 0573386A1 EP 93810361 A EP93810361 A EP 93810361A EP 93810361 A EP93810361 A EP 93810361A EP 0573386 A1 EP0573386 A1 EP 0573386A1
Authority
EP
European Patent Office
Prior art keywords
ring
watch
glass
bezel
housing
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Withdrawn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
EP93810361A
Other languages
German (de)
English (en)
Inventor
Urs Stauffer
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 EP0573386A1 publication Critical patent/EP0573386A1/fr
Withdrawn legal-status Critical Current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
    • G04B19/00—Indicating the time by visual means
    • G04B19/28—Adjustable guide marks or pointers for indicating determined points of time
    • G04B19/283—Adjustable guide marks or pointers for indicating determined points of time on rotatable rings, i.e. bezel
    • 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
    • G04B19/28—Adjustable guide marks or pointers for indicating determined points of time
    • G04B19/283—Adjustable guide marks or pointers for indicating determined points of time on rotatable rings, i.e. bezel
    • G04B19/286—Adjustable guide marks or pointers for indicating determined points of time on rotatable rings, i.e. bezel with locking means to prevent undesired rotations in both directions
    • 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
    • G04B37/225—Non-metallic cases

Definitions

  • the invention relates to a small watch with a rotating bezel according to the preamble of claim 1.
  • the ring having the locking cone is a closed ring which must be clamped between a cylindrical bearing surface of the housing and a clamping ring so that it can does not turn when the glass hoop is turned.
  • this ring having the locking cone must be pressed onto a cylindrical surface of the housing or fastened by gluing.
  • the present invention has for its object to provide a small clock of the type mentioned, in which the design and assembly of the ring having the locking cone are simplified.
  • the ring having the locking cone need only be inserted in such a way that the housing part mentioned engages in the opening in the ring, without having to provide any further means for the rotationally fixed fixing of this ring.
  • the above-mentioned opening is preferably located in the area of the pointer actuating shaft or the elevator shaft, so that, at the same time, a recess is formed for the passage of this shaft, which is generally in the area of the number of hours 3h, however can also be arranged somewhere else.
  • the radial housing opening can expediently intersect the plane of the ring having the blocking cones for the passage of the shaft mentioned.
  • the pointer actuating shaft or the winding shaft must be arranged in a plane below the ring having the blocking cone, which is disadvantageous if one wants to create particularly flat small clocks.
  • the watch glass has an axially downwardly projecting rim which is pressed into the fixed bezel, which is made of plastic, and there are an inner tension ring on the inside of the glass rim and an outer tension ring, which lies against the outer circumference of the mentioned bezel provided which also rests on the ring having the locking cone and in this way holds it axially.
  • the outer tension ring therefore has two functions: on the one hand, it guarantees the water-tightness of the watch by pressing the fixed bezel against the edge of the watch glass and, on the other hand, it holds the ring with the locking cone axially.
  • the housing expediently consists of a shell made of plastic, on which the fixed glass ring is molded and which has an open groove at the top for receiving the ring carrying the locking cones.
  • the watch glass has on its upper edge, which protrudes from the fixed bezel, a radially outward projection which overlaps the rotatable bezel to hold it axially, the inner edge of the rotatable frosted ring in the upper area has a paragraph in which the radial projection mentioned of the watch glass engages. It is thereby achieved in a simple manner that the rotatable frosted ring is held captively without special means having to be provided for this purpose.
  • the arrangement proposed here has the advantage that the rotatable glass ring does not require an undercut, into which the projection of another part must snap, so that no post-processing, neither on the housing, nor on the glass, nor on the glass ring is necessary, or an expensive injection mold , with which such an undercut can be removed from the mold, can be saved.
  • the small watch according to the invention has a one-piece housing in the form of a housing shell 1 made of plastic, which according to FIGS. 1 and 2 includes the fixed bezel 1a, the middle part 1b, the bottom and the movement retaining ring 1c for accommodating a clockwork 2.
  • the dial 3 rests on an inner annular shoulder of the central part 1b.
  • the watch glass 4 has an axially downward edge 4a, which is pressed into the fixed bezel 1a.
  • This fixed glass hoop 1a and the glass rim protruding from this fixed glass hoop are surrounded by a rotatable glass hoop 5, the shape of which is shown in detail in FIGS. 3 to 6.
  • This rotatable glass ring 5 is provided along a lower circular ring surface with sawtooth-shaped toothing 6, which cooperates with locking cones 8 on a ring 7 fixed against rotation.
  • This ring 7 shown in FIGS. 7 to 10 has, in the example considered, four blocking cones 8 which are evenly distributed over its circumference and which, as shown in particular in FIG. 10, are formed by partial punching and deformation from the ring plane upwards, so that they are elastically flexible Represent handles.
  • This ring 7, which has the locking cone 8, is not a closed ring, but, as shown in FIG. 7, an open ring with a circumferential interruption 9
  • Example consists of the locking cone 8 having open ring 7 made of plastic.
  • the housing middle part 1b has on the inside of its circumferential wall 1d an annular groove 10 open at the top, into which the ring 7 having the locking cone 8 is inserted.
  • This groove 10 is interrupted in the area of the pointer actuating or elevator shaft, which in the example under consideration lies in the area of the number of hours 3h, by a projection 11 (FIG. 2) formed on the bottom of the groove and on the outside of the solid glass hoop, the circumferential dimension of the interruption 9 of the ring 7 corresponds.
  • This ring 7 is inserted into the groove 10 in such a way that its interruption 9 is in the place of the projection 11 and consequently this projection 11 engages in the interruption 9, as a result of which the ring 7 is held in a rotationally fixed manner and in particular does not rotate when the bezel is turned can.
  • the locking cones 8 lie on the top of the outer circumferential region of the ring 7 under the toothing 6 of the rotatable bezel 5, and the arrangement is such that the rotatable bezel 5 only rotates in one sense, namely counterclockwise can, so that the teeth 6 and the locking cone 8 cooperate in the axial sense.
  • the outer periphery of the fixed bezel 1a is surrounded by an outer clamping ring 12 which presses against the fixed bezel 1a and presses it against the outer periphery of the glass rim 4a.
  • an inner clamping ring 13 is also provided on the inside of the glass rim 4a, which is seated in an inner recess of the glass rim 4a and rests on a support ring 14 supports, which in turn rests on the dial 3 and fixes it.
  • the outer clamping ring 12 also has the function of axially holding the ring 7 which has the locking cone 8 and on which it rests. Only the inner area of the ring 7 is covered, while the locking cones 8 lie next to the clamping ring 12. Both clamping rings 12 and 13 are made of metal.
  • a radial projection 4b is provided on the upper edge of the watch glass 4, which overlaps the rotatable bezel 5 at the top. So that the top of the watch glass 4 and the rotatable bezel 5 form a step-free surface, the inner edge of the rotatable bezel has an indented shoulder 5a in the upper area, in which the radial ring projection 4b of the watch glass 4 engages.
  • the rotatable glass hoop 5 is thus held axially in a simple manner, without special fastening means having to be provided for this.
  • the assembly of the entire small watch, in particular the rotatable bezel 5, is also considerably simplified in this way.
  • the dial 3, the support ring 14, the ring 7 having the locking cones 8 and the outer tension ring 12 have been inserted or attached, it is sufficient to put on the rotatable bezel 5, which covers the groove 10 and the outer locking ring 12 , and then simply press the watch glass 4 provided with the inner clamping ring 13 with its edge 4a into the fixed bezel 1a, whereby the rotatable bezel 5 is automatically axially secured so that it cannot fall out.
  • the arrangement of the interruption 9 of the ring 7 and of the housing extension 11 in the area of the number of hours 3h has the advantage that a cutout for the passage of the pointer actuating shaft or the elevator shaft can be provided at the same time, such that the radial housing opening 15 (FIG. 2) for this Wave intersects the plane of the pawls 8 having ring 7, which is essential for the formation of a flat watch.
  • a radial slot can also be provided in the integrally formed housing attachment 11, which secures the ring 7 against rotation, in order to make room for the tube 16 integrally formed on the central part for the passage of the shaft mentioned and for the placement of the crown 17. This tube 16 partially engages in this slot.
  • All watch parts with the exception of the tension rings 12 and 13 made of metal and the dial 3, are preferably made of plastic.
  • the invention is not limited to the exemplary embodiment described, but instead allows for a variety of variants with regard to the construction and the material of the housing, which need not be formed in one piece, of the ring 7 carrying the locking cone and of the rotatable bezel 5.

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Electric Clocks (AREA)
EP93810361A 1992-06-02 1993-05-17 Montre à lunette tournante Withdrawn EP0573386A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH1765/92 1992-06-02
CH176592 1992-06-02

Publications (1)

Publication Number Publication Date
EP0573386A1 true EP0573386A1 (fr) 1993-12-08

Family

ID=4218053

Family Applications (1)

Application Number Title Priority Date Filing Date
EP93810361A Withdrawn EP0573386A1 (fr) 1992-06-02 1993-05-17 Montre à lunette tournante

Country Status (1)

Country Link
EP (1) EP0573386A1 (fr)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0770937A1 (fr) * 1995-10-27 1997-05-02 Eta SA Fabriques d'Ebauches Pièce d'horlogerie comportant une lunette tournante
EP0686897B1 (fr) * 1994-06-09 1997-08-27 Montres Rolex Sa Boîte de montre à lunette tournante
WO1997045775A1 (fr) * 1996-05-31 1997-12-04 Cartier International B.V. Perfectionnements apportes a des montres de plongee incorporant un systeme de fixation liberable pour la lunette rotative unidirectionnelle sur le boitier
US6579004B1 (en) * 1999-10-12 2003-06-17 Romanson Watch Co., Ltd. Internet clock
CN100449425C (zh) * 2001-12-28 2009-01-07 精工电子有限公司 转动式边圈装置和使用转动式边圈装置的时计
US9851695B1 (en) 2016-11-14 2017-12-26 Geoffrey H. H. Roth Watch bezel assembly

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH9116A (de) * 1894-08-09 1895-03-31 Gustav Funkenberg Webstuhl mit zwangläufiger Hebung und Senkung der Schäfte durch Vermittlung der Kartenschaftmaschine
CH343920A (fr) * 1959-05-05 1959-12-31 Enicar S A Pièce d'horlogerie
FR2176641A1 (fr) * 1972-03-24 1973-11-02 Iga Sa
DE3205821C1 (de) * 1982-02-18 1983-07-21 IWC International Watch Co AG, 8201 Schaffhausen Taucheruhr

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH9116A (de) * 1894-08-09 1895-03-31 Gustav Funkenberg Webstuhl mit zwangläufiger Hebung und Senkung der Schäfte durch Vermittlung der Kartenschaftmaschine
CH343920A (fr) * 1959-05-05 1959-12-31 Enicar S A Pièce d'horlogerie
FR2176641A1 (fr) * 1972-03-24 1973-11-02 Iga Sa
DE3205821C1 (de) * 1982-02-18 1983-07-21 IWC International Watch Co AG, 8201 Schaffhausen Taucheruhr

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
CH-A-9116/68(EDGARDO GRIMM,MANUFACTURE DE BOITES DE MONTRES *

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0686897B1 (fr) * 1994-06-09 1997-08-27 Montres Rolex Sa Boîte de montre à lunette tournante
EP0770937A1 (fr) * 1995-10-27 1997-05-02 Eta SA Fabriques d'Ebauches Pièce d'horlogerie comportant une lunette tournante
WO1997045775A1 (fr) * 1996-05-31 1997-12-04 Cartier International B.V. Perfectionnements apportes a des montres de plongee incorporant un systeme de fixation liberable pour la lunette rotative unidirectionnelle sur le boitier
US6579004B1 (en) * 1999-10-12 2003-06-17 Romanson Watch Co., Ltd. Internet clock
CN100449425C (zh) * 2001-12-28 2009-01-07 精工电子有限公司 转动式边圈装置和使用转动式边圈装置的时计
US9851695B1 (en) 2016-11-14 2017-12-26 Geoffrey H. H. Roth Watch bezel assembly

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