EP4312086A1 - Zifferblatt für uhr - Google Patents

Zifferblatt für uhr Download PDF

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Publication number
EP4312086A1
EP4312086A1 EP22187649.3A EP22187649A EP4312086A1 EP 4312086 A1 EP4312086 A1 EP 4312086A1 EP 22187649 A EP22187649 A EP 22187649A EP 4312086 A1 EP4312086 A1 EP 4312086A1
Authority
EP
European Patent Office
Prior art keywords
dial
foot
conformation
zone
less
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.)
Pending
Application number
EP22187649.3A
Other languages
English (en)
French (fr)
Inventor
Alain Pavinato
Aurélien Thabuis
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.)
Rolex SA
Original Assignee
Rolex SA
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 Rolex SA filed Critical Rolex SA
Priority to EP22187649.3A priority Critical patent/EP4312086A1/de
Priority to JP2023121510A priority patent/JP2024019090A/ja
Priority to US18/359,441 priority patent/US20240036519A1/en
Priority to CN202310932092.6A priority patent/CN117471888A/zh
Publication of EP4312086A1 publication Critical patent/EP4312086A1/de
Pending 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
    • G04B19/06—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
    • G04B19/00—Indicating the time by visual means
    • G04B19/06—Dials
    • G04B19/14—Fastening the dials to the clock or watch plates
    • 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
    • G04B29/00—Frameworks
    • G04B29/04—Connecting or supporting parts

Definitions

  • the invention relates to a dial for a timepiece.
  • the invention also relates to an element for fixing a dial to a watch movement of a timepiece.
  • the invention also relates to an assembly comprising such a dial and/or such a fixing element.
  • the invention finally relates to a timepiece comprising such an assembly and/or such a dial and/or such a fixing element.
  • Dial feet are commonly attached to a dial plate by welding or brazing.
  • the location of these feet on the dial plate is relatively imprecise. Consequently, these are generally sized so that a watchmaker can slightly deform them to correct the positioning of the dial when assembling it on a movement.
  • the work “Theory of Watchmaking” (Reymondin et al., editions of the Fédération des ijks Techniques, 1998 ) discloses a solution known to those skilled in the art which consists of laterally tightening a dial foot within a housing simply by a screw arranged perpendicular to the latter. Pressing the screw against the foot is likely to cause radial deformation of the foot.
  • the fixing devices generally used tend to deform the dial feet radially or laterally, in particular by shearing or by work hardening of the latter.
  • the radial deformations mentioned above involve permanent deformations likely to complicate subsequent operations of dismantling and reassembling the dial on the movement. In fact, these deformations involve the application of mechanical forces to assemble/disassemble the dial of the watch movement.
  • due to the delicacy of the decorations of a dial and its fragility it is essential to avoid applying any significant effort of assembly and/or disassembly on the dial, these efforts being likely to deform or to damage the dial.
  • the aim of the invention is to provide a dial for a timepiece making it possible to improve the dials known from the prior art.
  • the invention proposes a dial allowing assembly and disassembly on a watch movement without effort or with the application of very negligible forces.
  • a dial for a timepiece is defined by claim 1.
  • Embodiments of the dial are defined by claims 2 to 9.
  • a fixing element is defined by claim 10.
  • One embodiment of the fixing element is defined by claim 11.
  • Embodiments of the assembly are defined by claims 13 and 14.
  • a timepiece is defined by claim 15.
  • a first embodiment of a timepiece 300 is described below in detail with reference to the figures 1 to 6 .
  • the fixing element 30 is intended to ensure the fixing of the dial 20 on the watch movement 10.
  • the assembly 100 is intended to be mounted in a case or a timepiece box in order to protect it from the external environment.
  • the watch movement 10 can be a mechanical movement, in particular an automatic movement, or even a movement hybrid.
  • the movement may be an electronic movement.
  • the conformation 231 comprises a face or a surface intended to receive, by contact, a mechanical action of holding the dial on the movement 10.
  • the conformation 231 is oriented towards the dial plate, in the sense that the face or the surface intended to receive the mechanical action presents, at the point of application of the action, an orientation (that of its normal vector N emerging from the material of the conformation at the point of application of the action) directed towards the plate.
  • this orientation is, as far as possible, parallel to the axis A1.
  • the axis(es) A1 of the feet are perpendicular or substantially perpendicular to the dial plate. More preferably, the axis(es) A1 pass substantially in the center of the cross section(s) of the foot(s).
  • the plate 21 is intended to come to bear against the frame 11 of the watch movement 10.
  • the dial 20 is held on the frame 11 by one or more fixing devices including the fixing elements 30.
  • the plate 21 preferably comprises a visible face by the wearer of the watch. This side can be decorated.
  • the plate 21 also preferably comprises one or more indexes and/or one or more apertures which cooperate with indicators, such as hands and/or discs, to indicate time information or derived from the time.
  • the dial 20 preferably comprises two feet 22 as in the first embodiment shown, or three feet.
  • the at least one foot 22 is intended to take place within a housing 12 made, in particular machined, within the frame 11.
  • At least one device for fixing the dial to the frame comprises a foot 22 and a fixing element 30.
  • the assembly 100 or the timepiece 300 preferably comprises as many fixing devices as dial feet 22.
  • the foot(s) 22 can be made integral with the plate 21 by electroforming or by any molding technique. If necessary, the feet can be finished by machining.
  • the foot(s) and the plate can be made (mainly) of different materials.
  • the dial is advantageously made of copper material, such as brass. Alternatively, it can be made of another preferably ductile material, such as gold or platinum.
  • the screw or the fixing element 30 is advantageously machined from a harder material than the dial, for example a steel, so that the zone of less rigidity 40 is the mainly or mainly deformed zone.
  • the foot(s) 22 makes it possible to position the foot(s) 22 very precisely on the plate 21.
  • this foot(s) can be positioned much more precisely on the plate (and between them) than if they were added, for example by welding or brazing, without subsequent rework by machining.
  • these characteristics make it possible to benefit from great precision in locating the foot(s) 22 on the plate 21.
  • the feet of the dial are positioned relative to each other with a location tolerance of less than 60 ⁇ m, or even less than 40 ⁇ m, preferably less than or equal to 20 ⁇ m.
  • each foot of the dial is positioned relative to the plate with a location tolerance less than 60 ⁇ m, or even less than 40 ⁇ m, preferably less than or equal to 20 ⁇ m.
  • location tolerances are therefore comparable to the location tolerances of a blank relative to the others within a watch movement.
  • the precision of location of the feet makes it possible to benefit from a radial clearance j1 between the foot 22 and the housing 12 of less than 40 ⁇ m, or even less than 25 ⁇ m, and preferably greater than or equal to 10 ⁇ m.
  • FIG 2 illustrates a section along a plane P passing through the axis A1 of a dial foot 22 and the center of the frame 11.
  • the fixing device is here in a first locking configuration E1, that is to say that the The fixing element 30 cooperates with the foot 22, in particular by obstacle, to retain and/or place the dial 20 on the frame 11.
  • the housing 12 is advantageously machined in the frame so as to fit the foot 22 with a minimum of play j1 in order to guarantee great precision in assembling the dial within the frame.
  • the adjustment between the foot 22 and the housing 12 is such that it makes the correction of the positioning of the dial in relation to the movement superfluous.
  • the clearance j1 between the foot 22 and the housing 12 of the frame 11 is sufficient to allow assembly and/or disassembly of the dial without it being necessary to exert effort on the dial, or with very negligible effort.
  • the fixing element 30 is capable of cooperating with the conformation 231 produced, in particular by machining, on the foot 22.
  • the fixing element 30 can be positioned in at least two distinct configurations.
  • a first locking position P1 the fixing element 30 is engaged in contact with the conformation 231, in particular in the slot or notch 23 of the foot, so as to secure the dial with the frame 11, configuring the locking device. fixing in the first locking configuration E1, shown on the figure 2 .
  • the fixing element 30 is released from the conformation 231, in particular from the notch 23 of the foot, so as to allow effortless disassembly of the dial, or with very negligible effort, configuring the fixing device in a second unlocking configuration E2, shown on the Figure 3 .
  • the conformation 231 is capable of cooperating with a first portion 31 included in the fixing element 30. It is this first portion 31 which is engaged against the conformation 231 in first locking configuration E1, and released from the conformation 231 in second E2 unlocking configuration.
  • this first portion 31 and/or the conformation 231 have a geometry which makes it possible to progressively apply an axial force on the foot, along the axis A1 , as the movement progresses. In other words, thanks to this or these geometries, the axial force on the foot gradually increases with the movement of the fixing element 30 towards the first locking position P1.
  • Cooperation between conformation 231 and the first portion 31 can be compared to a cam 31 - follower 231 type connection.
  • the fixing element 30 comprises a second portion 32 which allows a watchmaker to actuate the fixing element 30 so as to position it in at least one first or second position P1, P2, in particular which allows the passage from one to the other of the first and second positions.
  • the second portion 32 is intended to cooperate with a watchmaking tool, such as a screwdriver, or tweezers or a wooden or plastic dowel.
  • the fixing element 30 may comprise a thread cooperating with a tapping made in the frame 11.
  • the fixing element 30 may also include a stop 33 capable of coming to bear against the frame 11. This stop 33 makes it possible to limit the travel of the fixing element 30 when the device is in first locking configuration E1, so as to prevent the fixing element 30 from being moved too significantly and consequently generating lateral or radial deformation of the foot 22 relative to the axis A1.
  • a foot, certain feet or all of the feet advantageously comprise a zone 40 of less rigidity or preferential deformation.
  • This zone 40 of lower rigidity is intended to deform axially, that is to say preferentially along the axis A1 when the fixing element 30 is in first locking configuration E1.
  • this zone 40 is not requested. It can return to an initial or rest configuration under the effect of the elasticity of the material composing it.
  • the mainly axial deformation component, along axis A1, can be the result of bending and/or work hardening of zone 40.
  • the low radial clearance j1 requires that the admissible lateral or radial deformation of the foot must be minimal and less than this clearance j1, hence the importance of taking advantage of a zone 40 of lower rigidity designed to deform mainly axially according to the axis A1.
  • Zone 40 is deformed so as to exert a mainly axial force on the foot 22, which is oriented so as to guarantee optimum support of the dial 20 against the watch movement 10.
  • the deformation of zone 40 can be plastic and/or elastic.
  • the deformation is at least partially elastic in order to guarantee optimal support of the dial.
  • zone 40 is designed so as to have an axial rigidity lower than the rest of the dial, so that we can consider in particular the plate 21 and the rest of the foot 22 as infinitely rigid relative to zone 40.
  • the zone 40 of lower rigidity advantageously also makes it possible to limit the axial force applied to the dial in first configuration E1 and, consequently, avoids generating flatness defects in the plate 21 which can harm the aesthetics of dial 20, and in particular its decoration.
  • the foot can advantageously comprise a base 24 at the level of its junction with the dial plate 21.
  • the junction with the plate is made at the proximal end of the foot.
  • This base 24 comprises a cross section whose area is greater than the areas of the cross sections of the other zones of the foot 22 so as to stiffen it further.
  • the zone 40 of less rigidity is produced at the distal end of the foot.
  • a first housing 12 may be circular or substantially triangular, while a second housing 12' may have an oblong geometry, in particular an oblong geometry oriented at least substantially in the direction of the first housing 12.
  • the first housing 12 can allow centering, and the second housing 12' can allow orientation or alignment of the dial 20 on the frame 11.
  • Such an oblong conformation of a housing is shown on the Figure 5 .
  • an isostatic assembly is also permitted involving feet 22 having distinct geometries or formats.
  • the frame 11 is a blank or more particularly a plate 11 of the watch movement 10.
  • the foot 22 generally has a cylindrical geometry intended to cooperate with the housing 12 which can be in the form of a cylindrical hole machined in the plate 11.
  • a second housing 12' can be in another form, in particular in the form of an oblong hole cooperating with a second foot 22 so as to allow isostatic assembly of the dial.
  • the base 24 also has a cylindrical or generally cylindrical geometry. More preferably, the base 24 is coaxial with the axis A1. The length of the base 24 is advantageously chosen so as to guarantee optimal lateral or radial rigidity of the foot.
  • the fixing element 30 can be a screw 30 arranged, preferably, perpendicular to the foot 22 and substantially opposite the conformation 231. More particularly, the screw 30 takes place within an at least partially threaded housing 13, perpendicular in housing 12, machined in plate 11.
  • the conformation 231 is advantageously limited by one face of the notch 23.
  • This notch is for example machined on a cylindrical part of the foot 22. It is for example produced by machining with a rectangular or substantially rectangular section whose sides extend perpendicularly or substantially perpendicular to the axis A1 of the foot 22 and/or whose bottom extends parallel or substantially parallel to the axis A1.
  • the second portion 32 advantageously has the shape of an imprint, in particular a hollow one, or a slot 32 machined within the screw 30.
  • This imprint 32 is intended to cooperate with a watchmaker's tool, in particular a watchmaker's screwdriver. It is through this imprint that the watchmaker can act on the fixing element 30 so as to position it according to the at least first and second positions P1, P2, so as to respectively position the fixing element 30 in configurations of locking and unlocking E1, E2.
  • the stop 33 can be defined by a head 33 which includes the screw 30.
  • the screw head 33 advantageously abuts against the frame 11. This prevents the screw 30 from being screwed in too consistently. and can consequently deform radially or laterally (relative to axis A1) the foot 22 in first locking configuration E1.
  • the zone 40 of lower rigidity is located at a distal end of the foot 22 (opposite its junction with the plate 21 and the base 24). More particularly, the foot has at this distal end of the foot 22, a thickness e1 (measured along the axis A1) of material remaining between the notch 23, in particular between the conformation 231, and said distal end of the foot 22, as represented on the Figure 6 . Said thickness e1 is notably dimensioned so that zone 40 constitutes a zone of lower axial rigidity.
  • the zone 40 is constituted by a tongue 40 forming part of the foot 22 and extending perpendicularly or substantially perpendicularly to the axis A1 from the rest of the foot or the complementary part (to the tongue) of the foot.
  • this tongue has a constant thickness e1 over its entire extent.
  • the thickness e1 of the tongue can change in the plane along which the tongue extends.
  • the thickness of the tongue may increase as we approach the complementary part of the foot.
  • the conformation 231 mentioned above is thus in this embodiment a surface of the tongue 40.
  • the first zone 40 of less rigidity can be arranged and/or configured so that it presents a portion with a reduced material profile of so as to constitute a portion of the dial likely to be mainly deformed or to undergo most of the deformation during the application of the mechanical action on the conformation 231.
  • the first zone 40 of less rigidity can form a flexible tab or blade extending perpendicular to the axis A1 of the foot and embedded in the rest of the foot at one of its ends.
  • the first portion 31 is, on the achievements of figure 2 And 3 , one end 31 of the screw 30 having a conical or frustoconical geometry. It is this end 31 which is capable of cooperating with the zone 40 of less rigidity, in particular with the conformation 231 formed by the notch 23.
  • the end 31 gradually engages in the notch 23 generating, preferably, a progressive deformation of the zone 40, due to the support of the frustoconical geometry on the conformation 231. This results a mainly axial force on the foot 22.
  • the elements are configured and/or arranged so that the force is applied to the free end of the tongue or close to the free end of the tongue, that is to say at a distance from the junction of the tongue to the rest of the foot.
  • the thickness of the plate 21 can be standard, in particular being greater than or equal to 0.25 mm, or even greater than or equal to 0.35 mm, or even of the order of 0.4 mm.
  • the diameter d1 of the foot is greater than or equal to 0.7 mm, preferably greater than 0.95 mm.
  • the diameter d1 is the diameter of a surface 221 of the foot, or of the smallest circle circumscribed by the surface 221 of the foot (or the contour of the cross section of the foot 22), the surface 221 making it possible to guide or position the dial within the housing 12, relative to the frame 11 or the movement.
  • the surface or surfaces 221 notably allow positioning with less play of the dial.
  • the ratio of the diameter of the foot d1 (and more generally of the smallest circle circumscribed on the surface 221) to the clearance j1 (d1/j1) is preferably greater than 25, or even greater than 50, or even greater than 100.
  • the length of the foot l1 is preferably less than 2 times the diameter of the foot d1, or even less than 1.5 times the diameter of the foot d1. Foot length l1 is the length between the proximal end and the distal end of the foot.
  • the diameter of the base d2 is at least greater than the diameter d1 and, preferably, 1.5 times larger than the diameter d1 so that the base can be considered infinitely rigid compared to the foot with diameter d1, more generally, relative to the rest of the foot 22.
  • the height of the base h1 is preferably at least 0.25 times the total length l1 of the foot.
  • the height h of the notch is dimensioned so as to be able to accommodate the first portion 31 of the fixing element 30, in this case, the end 31 of the screw 30. Its depth p is chosen so as not to reduce the rigidity of the foot 22 too much.
  • the zone 40 of less rigidity here has a thickness e1 sufficient to place the dial optimally.
  • This thickness is for example greater than 0.15 mm or of the order of 0.2 mm.
  • the thickness e1 is also 3 times less than the thickness e2, so that the foot can be considered infinitely rigid with respect to the zone 40 of less rigidity.
  • the zone 40 of less rigidity can have a section with a quadratic moment relative to a given axis, perpendicular to the axis A1 and also perpendicular to the direction in which the zone 40 of less rigidity extends , which is significantly lower than the quadratic moment relative to an axis parallel to said given axis of a section of the foot where the thickness e2 is measured.
  • the penetration of the first portion 31 of the fixing element 30 within the notch 23 is intended to generate a localized deformation, more particularly a localized bending and/or work hardening, of the zone 40 of less than 0.2 mm, or even less than 0.15 mm, or even still less than 0.1 mm.
  • the deformation of the zone 40 of lower rigidity can be plastic and/or elastic.
  • the deformation of the dial plate generated by the fixing element 30 can typically be a flatness defect of less than 0.1 mm, or even less than 0.05 mm, or even less than 0.015 mm.
  • the zone of less rigidity could be arranged within the foot and within the fixing element 30 so as to distribute the deformation between the foot and the element of fixation.
  • the zone of less rigidity could be distributed over two portions within the foot and within the fixing element 30, these two portions being intended to come into contact with one another.
  • At least a portion of the zone of less rigidity could be attached to a foot, in particular one end of a foot.
  • an attached elastic blade could constitute the zone of least rigidity.
  • the foot may not be one-piece.
  • the dial shown in this document is round and flat in shape. However, whatever the embodiment or variant, the dial can be of any shape. In particular, it can have a square, rectangular, elliptical, round or any external shape. In addition, the dial may in particular be flat or domed in the hollow or domed in the projection.
  • the feet and/or housings may have non-circular cross sections, for example substantially triangular. Of course, all other shapes allowing isostatic and/or precise positioning of the dial within a movement can be considered.
  • the feet and/or housings may also not be completely cylindrical, but be, at least partially, frustoconical or have surfaces produced by beveling at their ends.
  • the notch 23 may have a section other than substantially rectangular. It can, for example, be triangular and/or rounded in shape.
  • the fixing element 30 can be a dial key or an eccentric or a blade, like those known from the applications CH1775367A4 And CH610705B aforementioned.
  • the dial key or the eccentric or the blade described in these applications would however cooperate with the conformation 231 without shearing the foot, but by acting on the zone of less rigidity.
  • any other means allowing the dial to be locked by its cooperation with the conformation is possible.
  • the dial key or the eccentric or the blade may include the zone of less rigidity, and deforms axially when the fixing element is in first locking configuration E1, so as to press the dial against the movement. The foot then does not undergo any deformation in this example or these deformations are very negligible.
  • the dial 20 when the assembly 100 comprising the movement 10 with the dial 20 is fitted into a middle part, the dial 20 can rest against this middle part or against a flange so as to be pressed against the movement, in addition to the support on the frame 11 by the fixing device. This makes it possible to stiffen further assembly of the dial on the movement and to guarantee even greater plating.
  • the base(s) 24 described above are advantageously used to precisely position the dial 20 within the housings 51 of the mounting 50.
  • This mounting advantageously allows the carrying out of machining, decoration or termination operations of the dial. Thanks to such installation, the surface 221 of the foot intended to cooperate with the housing 12 can advantageously be spared during these operations, preventing it from being damaged and consequently degrading the positioning of the dial within the movement.
  • the base 24 is adjusted within the housing 51 with a radial clearance j2 as reduced as the radial clearance j1 between the foot 22 and the housing 12, as illustrated in the figure 4 .
  • the base 24 or the bases 24 comprise positioning surfaces 241 intended to position, with less play, the dial relative to the installation 50 within of the housing(s) 51.
  • the surface(s) 241 are preferably located at a proximal end of the feet.
  • a similar isostatic assembly (with feet of different formats and/or housings of different formats) is also preferred for positioning the dial on the installation 50.
  • the length or height h1 of the base 24 is also advantageously chosen so as to guarantee optimal guidance within a installation 50.
  • these solutions offer the freedom of having a dial which is not necessarily of a size comparable to that of the movement. Furthermore, these solutions are particularly suited to a timepiece, in particular to a movement, which is equipped with several control members around its perimeter, such as a chronograph or striking movement.
  • the solutions take the form of a dial comprising feet whose locations are very precise. Therefore, assembly clearances or fit between the legs and the movement can advantageously be reduced to a functional minimum.
  • the fixing of the dial preserves the geometric integrity of the feet within the movement during the various assembly and disassembly, because a lateral or radial deformation of a foot could cause the feet to get stuck within the movement and/or degrade the positioning of the dial.
  • the proposed solution makes it possible to overcome this problem while providing a fixing allowing the dial to be placed on the movement without play.
  • the dial feet are shaped so that a means allowing the fixing of the dial can only cause a mainly axial deformation in a defined area, without impact on the adjustment between the feet and the movement, particularly in a plane parallel to or coinciding with that of the dial plate.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Electric Clocks (AREA)
  • Electromechanical Clocks (AREA)
  • Adornments (AREA)
EP22187649.3A 2022-07-28 2022-07-28 Zifferblatt für uhr Pending EP4312086A1 (de)

Priority Applications (4)

Application Number Priority Date Filing Date Title
EP22187649.3A EP4312086A1 (de) 2022-07-28 2022-07-28 Zifferblatt für uhr
JP2023121510A JP2024019090A (ja) 2022-07-28 2023-07-26 時計文字盤
US18/359,441 US20240036519A1 (en) 2022-07-28 2023-07-26 Timepiece dial
CN202310932092.6A CN117471888A (zh) 2022-07-28 2023-07-27 钟表表盘

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP22187649.3A EP4312086A1 (de) 2022-07-28 2022-07-28 Zifferblatt für uhr

Publications (1)

Publication Number Publication Date
EP4312086A1 true EP4312086A1 (de) 2024-01-31

Family

ID=82781234

Family Applications (1)

Application Number Title Priority Date Filing Date
EP22187649.3A Pending EP4312086A1 (de) 2022-07-28 2022-07-28 Zifferblatt für uhr

Country Status (4)

Country Link
US (1) US20240036519A1 (de)
EP (1) EP4312086A1 (de)
JP (1) JP2024019090A (de)
CN (1) CN117471888A (de)

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH610705B (de) 1975-09-12 Ebauchesfabrik Eta Ag Vorrichtung zum befestigen eines zifferblattes an einer werkplatte einer uhr.
US523913A (en) * 1894-01-31 1894-07-31 Fastening for watch-dials
CH53806A (fr) * 1911-11-23 1912-04-01 Leon Levy & Freres Sa Dispositif de fixation du cadran sur la platine d'un mouvement de montre
GB143833A (en) * 1919-05-26 1920-07-15 Beaulieu Watch Co Means for securing a dial to a watch movement
CH125760A (de) * 1926-09-16 1928-05-01 Adolf Gaertner Joseph Einrichtung zur Befestigung des Zifferblattes von Uhren, insbesondere von Taschenuhren, an der Unterlage.
CH1775367A4 (de) 1967-12-19 1970-08-31
EP3483667A1 (de) * 2017-11-13 2019-05-15 Rolex Sa Befestigungssystem eines uhrwerks in einem armbanduhrengehäuse
CH716770A2 (fr) * 2019-11-05 2021-05-14 Blancpain Sa Système de fixation et/ou d'extraction d'un cadran.

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US523913A (en) * 1894-01-31 1894-07-31 Fastening for watch-dials
CH53806A (fr) * 1911-11-23 1912-04-01 Leon Levy & Freres Sa Dispositif de fixation du cadran sur la platine d'un mouvement de montre
GB143833A (en) * 1919-05-26 1920-07-15 Beaulieu Watch Co Means for securing a dial to a watch movement
CH125760A (de) * 1926-09-16 1928-05-01 Adolf Gaertner Joseph Einrichtung zur Befestigung des Zifferblattes von Uhren, insbesondere von Taschenuhren, an der Unterlage.
CH1775367A4 (de) 1967-12-19 1970-08-31
CH610705B (de) 1975-09-12 Ebauchesfabrik Eta Ag Vorrichtung zum befestigen eines zifferblattes an einer werkplatte einer uhr.
EP3483667A1 (de) * 2017-11-13 2019-05-15 Rolex Sa Befestigungssystem eines uhrwerks in einem armbanduhrengehäuse
CH716770A2 (fr) * 2019-11-05 2021-05-14 Blancpain Sa Système de fixation et/ou d'extraction d'un cadran.

Also Published As

Publication number Publication date
CN117471888A (zh) 2024-01-30
JP2024019090A (ja) 2024-02-08
US20240036519A1 (en) 2024-02-01

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