EP3719582A1 - Gehäusering für uhr - Google Patents

Gehäusering für uhr Download PDF

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Publication number
EP3719582A1
EP3719582A1 EP19166736.9A EP19166736A EP3719582A1 EP 3719582 A1 EP3719582 A1 EP 3719582A1 EP 19166736 A EP19166736 A EP 19166736A EP 3719582 A1 EP3719582 A1 EP 3719582A1
Authority
EP
European Patent Office
Prior art keywords
elastic
casing
circle
timepiece
movement
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
EP19166736.9A
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English (en)
French (fr)
Inventor
Max-André FREY
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.)
Patek Philippe SA Geneve
Original Assignee
Patek Philippe SA Geneve
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 Patek Philippe SA Geneve filed Critical Patek Philippe SA Geneve
Priority to EP19166736.9A priority Critical patent/EP3719582A1/de
Publication of EP3719582A1 publication Critical patent/EP3719582A1/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
    • G04B3/00—Normal winding of clockworks by hand or mechanically; Winding up several mainsprings or driving weights simultaneously
    • G04B3/04—Rigidly-mounted keys, knobs or crowns
    • G04B3/048—Operation exclusively by axial movement of a push-button, e.g. for chronographs
    • 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

Definitions

  • the present invention relates to a casing circle for a timepiece, said timepiece comprising a movement and a case, said casing circle comprising a body intended to at least partially surround the movement and at least one locking member. actuation intended to be actuated from outside the box to actuate a movement control member.
  • the casing circle is a ring which at least partially surrounds the movement. It serves to fill the space between the movement and the case.
  • watch movements comprising complications, for example comprising a chronograph mechanism, a mechanism allowing the display of the moon phases or of the date (annual or perpetual), in which one or more buttons can be actuated from outside the watch case.
  • the casing circle typically carries rockers.
  • the Chrono Dame 7150 watch from Patek Philippe includes a casing circle 100, typically in rhodium-plated brass, as shown in figures 1 and 2 .
  • This casing circle 100 comprises a rigid annular body 101 and two bores 102 in each of which is driven a tube 103 serving as an axis of rotation and thread for a screw 104, a rocker 105 of hardened steel is mounted on this tube and retained by said screw 104.
  • the lever 105 is intended to be actuated by a push button 106, this actuator 106 passing through the middle part 107 of the watch case, as illustrated in figure 2 .
  • This rocker 105 is a intermediate between the push button 106 and a control member 108 of the movement to be actuated.
  • each of the pushbuttons 106 shown on figure 2 incorporates a spring which forces itself when the associated button 106 is pressed so as to be able to reposition it after its actuation.
  • a main technical difficulty in the design of such structures lies in the fact that they include many parts and can lead to the generation of rhodium-plating particles which pollute the movement during the driving of the tubes 103 and / or the screwing of the latches 105 in. body 101.
  • the “5905P - complications” self-winding watch from Patek Philippe comprises a casing circle 200 as illustrated on figure 3 .
  • the casing circle 200 comprises a rigid annular body 201 and two bores in each of which is driven a tube serving as axis of rotation and thread for a screw 204a, 204b.
  • Rockers 205a, 205b of hardened steel are mounted to rotate freely on these tubes and retained by said screws 204a, 204b.
  • the rocker 205a is intended to be actuated by a push button 206, passing through the middle part 207 of the watch case.
  • Each of the two rockers 205a, 205b comprises a first arm, respectively 2051a, 2051b and a second arm, respectively 2052a, 2052b.
  • the first arm 2051a of the first rocker 205a is intended to cooperate with the push button 206 and the second arm 2052a of the first rocker is intended to cooperate with the first arm 2051b of the second rocker 205b.
  • the second arm 2052b of the second rocker 205b is intended to cooperate with a movement control member 208 that it can actuate to trigger a predefined action. It is said that the first 205a and second 205b rockers are arranged in series.
  • the body 201 carries a spring 202 arranged to exert on the second arm 2052b of the second rocker 205b a force away from the control member 208 while tending to cause the latter to pivot counterclockwise around its screw 204b.
  • the second latch 205b maintains the first arm 2051a of the first latch 205a in abutment against a pin 209.
  • Such a casing circle 200 has the advantage of angularly shifting the actuator 206 accessible from outside the watch case with respect to the control means 208 that it must actuate to adapt to the possible size of the watch. watch movement with which it interacts.
  • it includes the same drawbacks as those previously described for the casing ring 100, namely a large number of parts and the risk of generating particles, typically of rhodium plating, polluting the movement during the assembly of the levers 205a, 205b on the body 201.
  • An aim of the present invention is to at least partially overcome the aforementioned drawbacks.
  • the invention proposes a casing circle for a timepiece, said timepiece comprising a movement and a case, said casing circle comprising a body intended to at least partially surround the movement and at least one actuation member intended to be actuated from outside the box to actuate a movement control member, characterized in that said actuator member is elastic and forms with said body a single unit.
  • the invention also relates to a timepiece such as a wristwatch, a pocket watch, a clock or a clock comprising such a casing circle.
  • a casing ring 1 for a wristwatch comprises an annular body 2 of center O and rigid and two elastic members 3 forming with said body 2 a one-piece assembly.
  • Each of said elastic members 3 comprises a rigid part 3a, movable relative to the body 2, and an elastic part 3b connecting the latter to the body 2.
  • the elastic part here takes the form of an elastic blade 3b and defines with the body 2 a connecting interface 4 corresponding to the interface between the rigid body 2 and the elastic blade 3b.
  • the two elastic members 3 are identical.
  • the figure 5 illustrates the casing ring 1 mounted in a watch. It is arranged around the movement of this watch and inside its caseband 5.
  • each of the elastic members 3 cooperates, typically directly, on the one hand with a push button 6 of the watch, said push button 6 passing through the middle part 5 and being partly outside the case of this watch. , and on the other hand with a movement control member such as a control lever 7 of which only a part is visible at the figure 5 .
  • the side of the rigid part 3a of the elastic member 3 oriented towards the outside of the body 2 cooperates, typically directly, with the push button 6.
  • the part of the control member 7 intended to cooperate with the rigid part 3a is located on the axis of movement of the push button 6, the push button 6 and the control member 7 which it must actuate are located on the same radius of the body 2.
  • the casing circle 1 is designed so that the rigid part 3a of each of its elastic members 3 is able to move with an amplitude sufficient to actuate the control member 7. This amplitude depends essentially on the deformation properties of the elastic part 3b associated.
  • the rigid part 3a forms a protrusion with respect to the rest of the elastic member 3.
  • This enlarged shape of the rigid part 3a is not essential but it has the advantage of making it close to the two elements with which it cooperates in operation. , namely the push button 6 and the control member 7.
  • the push button 6 will only have to perform a small displacement to move the rigid part 3a which will then only have to perform a small displacement to operate the control unit 7.
  • the push button 6 is typically a start / stop button or a reset button for a chronograph mechanism and the control member is typically a control lever 7 of a chronograph.
  • the control member is typically a control lever 7 of a chronograph.
  • the body 2 is a closed ring of width "L". It has tabs 8 on its inner edge, some of which are drilled, which allow the casing ring 1 to be fixed relative to the movement plate.
  • the body 2 also comprises recesses 9 on its upper part in which the elastic members 3 extend.
  • the elastic members 3 are mainly located above the body 2. They are intended to move in a plane parallel to that in which the body 2 extends, that is to say in a plane parallel to the plate of the movement. The upper part of each of said recesses 9 participates in guiding them in this plane.
  • each actuator 3 By the single connection interface 4 of each actuator 3 with the body 2, the rigid part 3a of each elastic member 3 moves substantially along an arc of a circle relative to the body 2, the center of this arc of circle corresponding to the center of said link interface 4.
  • the casing ring 1 shown in figures 4 and 5 comprises two identical elastic members 3, each of them comprising a rigid part 3a and an elastic blade 3b curved, substantially in an arc of a circle, connecting said rigid part 3a to the body 2.
  • the casing ring 1 could comprise a single elastic member 3 or more than two elastic members 3, for example three or four, the said elastic member or members forming whatever it is with the body 2 a single unit.
  • fitting circle 1 comprises at least two elastic members 3, these may be identical, as in the example illustrated in figures 4 to 7 , or be different or partly different from each other.
  • each of the elastic members 3 of the fitting circle 1 can be connected to the body 2 by a single elastic part 3b, as in the cases illustrated in figures 4 to 6 , or by several elastic parts, for example by two elastic strips 3b, 3c as in the case illustrated in figure 7 .
  • each elastic member 3 comprises two elastic arms 3b, 3c which are identical and arranged on either side of a rigid part 3a. These are arranged so that the rigid part 3a is able to move along a linear path relative to the body 2; they are diametrically opposed with respect to this rigid part 3a.
  • the linear path they follow extends radially with respect to the circle defined by the annular body 2.
  • Such a path has the advantage of limiting both the friction between the push button 6 and the part of the elastic member 3. with which it cooperates during its actuation and the friction between the control member 7 and the part of the elastic member 3 with which it cooperates during its actuation.
  • Each of the elastic members 3 of the fitting circle 1 may not include a rigid part 3a.
  • Such an elastic member 3 comprises only an elastic part, typically a simple arm or a simple elastic blade intended to cooperate on the one hand with the push button 6 and on the other hand with the control member 7 of the movement, by one or more parties.
  • each of the elastic parts 3b of the casing circle 1 can take various shapes, for example curved, as illustrated in figures 4 and 5 , right, as shown in figure 6 , or even winding as shown in figure 7 . More generally, the shape of the elastic members 3 can vary infinitely as long as their functions are ensured.
  • the part of the elastic member 3 intended to cooperate with the push button 6 of the watch can be offset by an angle ⁇ of center O with respect to the part of the elastic member 3 intended to cooperate with the control member.
  • control 7 of the movement of this watch to trigger a predefined action as illustrated in figures 8a and 8b .
  • the angle ⁇ is about 45 °.
  • the rigid part 3a of the fitting circle 1 is bent and extends over an angle ⁇ with center O of approximately 75 °. It is connected to body 2 by means of a flexible guide member with circular necks constituting the elastic part 3b.
  • the two parts of the elastic member 3 intended to cooperate respectively with the push button 6 and with the movement control member 7 are typically located in the rigid part 3a.
  • the hollow of the elbow of the rigid part 3a receives the part of the control member 7 of the movement with which it cooperates.
  • the figure 8a illustrates such a fitting circle 1 at rest, that is to say when the push button 6 is not actuated, the elastic member 3 being in its rest position and the control member 7 being in a first position.
  • the figure 8b illustrates for its part the same fitting circle 1 when the push button 6 is actuated, the elastic part 3b of the elastic member 3 being deformed and the control member 7 being in a second position.
  • a casing ring 10 for a wristwatch comprises an annular body 11 of center O and rigid as well as a first 131 and a second 132 elastic members forming with said body 11 a one-piece assembly .
  • Each of said elastic members 131, 132 comprises a rigid part 131a, 132a movable relative to the body 11, and an elastic part 131b, 132b connecting the latter to the body 11.
  • the rigid part 131a of the casing ring 10 is connected to the body 11 by means of an elastic part 131b consisting of a flexible guide member with circular necks.
  • the rigid part 132a of the casing ring 10 is connected to the body 11 by means of an elastic part 132b consisting of a flexible guide member with circular necks.
  • the figures 9a and 9b illustrate the casing ring 10 mounted in a watch. As for the first embodiment of the invention, it is arranged around the movement of this watch and inside its caseband 15.
  • the first elastic member 131 cooperates, typically directly, on the one hand with a push button 16 of the watch, said button 16 passing through the middle 15 and thus being partly outside the case of this watch as in the first mode. embodiment of the invention, and on the other hand with the second elastic member 132.
  • the second elastic member 132 for its part cooperates, typically directly, on the one hand with the first elastic member 131 and on the other hand with a member movement control 17 such as a control lever of which only a part is visible to the figures 9a and 9b .
  • the first and second elastic members are arranged in series, that is to say arranged so that the actuation of said first elastic member 131 from outside the box actuates said control member 17 by through said second elastic member 132.
  • the rigid part 131a Under the effect of pressure exerted by the wearer of the watch illustrated in figures 9a and 9b on the push button 16, the rigid part 131a is moved towards the inside of the body 11 by deformation of the flexible guide member with circular necks 131b and acts in turn, through its side facing the inside of the body 11, on the rigid part 132a of the second elastic member 132.
  • the rigid part 132a is thus moved inwardly of the body 11 by deformation of the flexible guide member with circular necks 132b and in turn acts on the member control 17 to trigger a predefined action.
  • the part of the control member 17 intended to cooperate with the rigid part 132a is offset by an angle ⁇ of center O of approximately 45 ° with respect to the axis of movement of the push button 16
  • the rigid part 131a of the casing circle 10 extends over an angle of center O of about 35 ° and the rigid part 132a of the casing circle 10 extends over an angle of center O approximately 50 °, these angles intersect.
  • the casing circle 10 is designed so that the rigid parts 131a, 132a of its elastic members 131, 132 are able to move with an amplitude sufficient to actuate the control member 17. This amplitude depends essentially on the deformation properties. elastic parts 131b, 132b.
  • the button 16 is typically a start / stop button or a reset button for a chronograph mechanism and the control member is typically a control lever 17. a chronograph.
  • the user presses the button 16 he comes, via the elastic members 131, 132, actuate the chronograph control lever 17 and, as the case may be, start, stop or reset the chronograph movement.
  • the body 11 is a closed ring of width "L". Like the body 2 of the casing circle 1 according to the first embodiment of the invention, the body 11 can typically carry its inner edge of the tongues to fix the casing circle 10 relative to the plate of the movement.
  • the body 11 also comprises a recess 19 on its upper part in which the elastic members 131, 132 partially extend.
  • the elastic members 131, 132 are located mostly above the body 11. They are intended to move in a plane parallel to that in which the body 11 extends, that is to say in a plane parallel to the plate of the movement. The upper part of the recess 19 helps guide them in this plane.
  • each elastic member 131, 132 moves substantially along an arc of a circle relative to the body 11, the center of this corresponding arc of a circle, for each elastic member at the pivoting center of its flexible guide member with circular necks 131b, 132b
  • the casing ring 10 illustrated in figures 9a and 9b comprises two elastic members 131, 132 arranged in series, each of said elastic members comprising a rigid part 131a, 132a in the form of a slightly curved rigid arm and an elastic part 131b, 132 taking the form of a flexible guide member with circular necks .
  • the casing ring 10 according to the second embodiment of the invention could comprise several series of at least two elastic members.
  • Each series of elastic members of the casing circle 10 could comprise more than two elastic members, the said elastic member or members of the series forming in any case with the body a single unit.
  • each of the elastic members 131, 132 of the fitting circle 10 can be connected to the body 11 by a single elastic part 131b, 132b, as in the case illustrated in figures 9a and 9b , or by several elastic parts, typically two.
  • the elastic members of the casing ring 10 may not include a rigid part 131a, 132a. It can then be simple elastic arms.
  • Each of the elastic parts 131b, 132b can also take various shapes, other than that of a circular neck. More generally, the shape of the elastic members 131, 132 can vary infinitely as long as their functions are fulfilled.
  • each of the push buttons 6, 16 could be replaced by any other suitable actuator.
  • the casing ring according to the invention is typically made from a copper alloy, non-magnetic, such as brass, a copper-beryllium alloy or a copper, nickel and zinc alloy optionally comprising lead known under the name of nickel silver.
  • the casing ring is rhodium-plated. It is typically carried out by mechanical machining, for example by chip removal, by electroerosion or by means of a laser.
  • a casing circle for a timepiece comprising a body, at least one first elastic member such as as described in the first embodiment of the invention and at least one series of at least two elastic members as described in the second embodiment of the invention, said first elastic member and said series of elastic members being arranged to cooperate respectively with first and second actuators intended to be actuated from outside the case of said timepiece to actuate respectively first and second members for controlling the movement of said timepiece, the body, the first elastic member and the series of at least two elastic members forming a one-piece assembly.
  • the casing circle according to the invention can take various shapes, it is typically of the same shape as the watch case of the timepiece in which it is intended to be inserted, typically round as in the examples illustrated in the figures. , or oval, square, rectangular or polygonal for example. In these cases, it is intended to completely surround the movement of said timepiece. In variants, the casing circle according to the invention may also be intended to only partially surround the movement of said timepiece. It can thus be of a shape corresponding to only a portion of the aforementioned shapes, for example in an arc of a circle. It is typically the body of the casing circle that takes this shape.
  • the casing circle according to the invention and in particular the fact that its body forms with its elastic members a one-piece assembly, has several advantages.
  • each of its elastic members generates a return force, which can be used to return the push buttons to position after their actuation.
  • the spring traditionally present in the push button such as the button 106 illustrated on figure 2 can be deleted.
  • each of the elastic members is also easily adjustable, which makes it possible to simply manage the pressure necessary for the user to actuate a movement control member, this pressure having both to be sufficient to avoid its involuntary actuation but also limited for user comfort.
  • the adjustment of this force is typically done by varying the thickness of the elastic members, their length and / or the material used for making the fitting circle.
  • the casing ring according to the invention also has the advantage of angularly shifting the actuator accessible from outside the watch case with respect to the control member. control which it must actuate to adapt to the possible bulkiness of the watch movement with which it interacts.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Electric Clocks (AREA)
EP19166736.9A 2019-04-02 2019-04-02 Gehäusering für uhr Pending EP3719582A1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP19166736.9A EP3719582A1 (de) 2019-04-02 2019-04-02 Gehäusering für uhr

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP19166736.9A EP3719582A1 (de) 2019-04-02 2019-04-02 Gehäusering für uhr

Publications (1)

Publication Number Publication Date
EP3719582A1 true EP3719582A1 (de) 2020-10-07

Family

ID=66091911

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19166736.9A Pending EP3719582A1 (de) 2019-04-02 2019-04-02 Gehäusering für uhr

Country Status (1)

Country Link
EP (1) EP3719582A1 (de)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2548797A1 (fr) * 1983-07-05 1985-01-11 Yema Dispositif de commande et de reglage de positionnement d'une lunette de montre
EP1710635A1 (de) * 2005-04-04 2006-10-11 Bruno Affolter S.A. Betätigungsvorrichtung für eine Uhr und eine Uhr mit derartiger Vorrichtung
EP1890202A1 (de) * 2006-08-17 2008-02-20 The Swatch Group Research and Development Ltd. Vorrichtung zur Betätigung einer Uhr

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2548797A1 (fr) * 1983-07-05 1985-01-11 Yema Dispositif de commande et de reglage de positionnement d'une lunette de montre
EP1710635A1 (de) * 2005-04-04 2006-10-11 Bruno Affolter S.A. Betätigungsvorrichtung für eine Uhr und eine Uhr mit derartiger Vorrichtung
EP1890202A1 (de) * 2006-08-17 2008-02-20 The Swatch Group Research and Development Ltd. Vorrichtung zur Betätigung einer Uhr

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