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
  • G04B17/00—Mechanisms for stabilising frequency
  • G04B17/32—Component parts or constructional details, e.g. collet, stud, virole or piton
  • G04B17/34—Component parts or constructional details, e.g. collet, stud, virole or piton for fastening the hairspring onto the balance
  • G04B17/345—Details of the spiral roll
• • 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
  • G04B13/00—Gearwork
  • G04B13/02—Wheels; Pinions; Spindles; Pivots
  • G04B13/021—Wheels; Pinions; Spindles; Pivots elastic fitting with a spindle, axis or shaft
  • G04B13/022—Wheels; Pinions; Spindles; Pivots elastic fitting with a spindle, axis or shaft with parts made of hard material, e.g. silicon, diamond, sapphire, quartz and the like
• • 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
  • G04B17/00—Mechanisms for stabilising frequency
  • G04B17/32—Component parts or constructional details, e.g. collet, stud, virole or piton
  • G04B17/34—Component parts or constructional details, e.g. collet, stud, virole or piton for fastening the hairspring onto the balance

Definitions

• the invention relates to a method of making an assembly of an elastic retainer - timepiece component assembly with a support member.
• the invention also relates to such an assembly and to this elastic holding member assembly - watch component.
• the invention relates to a watch movement comprising this assembly as well as to a timepiece comprising such a movement.
• the aim of the invention is to provide an alternative to existing processes.
• the invention relates to a method of producing an assembly of an assembly of an elastic holding member - timepiece component assembly with a support element, said elastic holding member being made of an electrically insulating material and said element support being made of an electrically conductive material, the method comprising the following steps:
• the assembly step comprises a sub-step of inserting the support element into the holding member of the assembly with an unblocked holding of the support element (3) in this holding member ( 1) .;
• the insertion sub-step comprises a phase of resiliently tightening the support element in the retaining member aimed at achieving contact interfaces between the retaining member and this support element;
• the implementation step comprises a sub-step of determining the location of said at least one reception area of at least one blocking element in a mounting area of the support element;
• the determination sub-step includes a phase of identifying the delimitation zones of the contact interfaces
• the production step comprises a sub-step of construction by galvanic metal growth of said at least one blocking element in at least one reception area located in the mounting area of the support element comprising at least one delimitation area identified;
• the construction sub-step comprises a phase of construction by galvanic metal growth of said at least one blocking element in at least one reception area located in the mounting area of the support element comprising identified delimitation areas of two contact interfaces, these delimitation zones being arranged opposite one another;
• the construction sub-step comprises a phase of constitution by galvanic metallic growth of said at least one blocking element in at least one reception area located in the mounting area of the support element comprising at least one identified delimitation area at least one contact interface, said at least one delimitation zone being arranged facing one of the two ends of the support element.
• the invention also relates to an assembly for a timepiece movement of a timepiece comprising an elastic retaining member - timepiece component assembly and a support element, said elastic retaining member being made of an electrically insulating material. and the support element of an electrically conductive material, the assembly (120) being coupled with the support element from at least one locking element included on at least one reception area of the support element .
• the invention also relates to a watch movement comprising at least one such assembly.
• the invention also relates to a timepiece comprising such a watch movement.
• FIG. 1 shows a sectional view of an assembly comprising an elastic retaining member assembly - timepiece component coupled to a support element, the assembly forming a toothed wheel integrally with the retaining member, according to the embodiment of the invention
• - Figure 2 shows a sectional view of an assembly comprising an elastic holding member assembly - timepiece component coupled to the support member, the assembly forming a wheel integrally with the holding member, according to the embodiment of the invention
• FIG. 3 shows a view on a larger scale of part A of the assembly illustrated in Figures 1 and 2 comprising locking elements of the retaining member relative to the support member, according to a mode of realization of the invention
• - Figure 4 shows a view of the same part A of the assembly illustrated in Figures 1 and 2 without these locking elements, according to the embodiment of the invention
• FIG. 5 shows a sectional view of an assembly comprising an elastic retaining member - timepiece component assembly coupled to the support member, the resilient retaining member being a ferrule and the timepiece component a balance spring , according to one embodiment of the invention
• FIG. 6 is a schematic view of a timepiece comprising the assembly comprising the elastic holding member assembly - timepiece component coupled to the support element, according to the embodiment of the invention.
• FIG. 7 is a flowchart relating to a method of making such an assembly, according to the embodiment of the invention. Detailed description of the invention
• FIGS. 1 to 5 show an embodiment of an assembly 130 comprising an elastic retaining member - timepiece component assembly coupled to the support element 3 from at least one locking element 11a, 11b provided for block / lock radially, axially and / or in rotation the support element 3 relative to the retaining member 1.
• the elastic retaining member has the sole function of ensuring the centering of the assembly.
• Such a blocking element 11a, 11b is built on at least one reception area 7a, 7b of the support element 3 by galvanic metal growth.
• this blocking element 11 a, 11 b is a protuberance of metallic material present on a peripheral wall of one end of the support element 3 obtained by a metallic galvanic deposition or metallic growth on this reception zone 7a , 7b.
• the assembly 130 therefore comprises the assembly 120 elastic retaining member - timepiece component intended to be arranged in a timepiece movement 110 of a timepiece 100 visible in FIG. 6, and also to be mounted on a support element 3.
• This assembly 120 comprises the elastic retaining member 1 for fixing a timepiece component 2 on the support member 3.
• the elastic retaining member 1 can be a ring or else a ferrule or any parts suitable for securing the timepiece component 2 such as a balance spring or even a wheel, to a support element 3 such as a shaft.
• This elastic retaining member 1 is made of an electrically insulating material which may be a so-called “fragile” material, preferably a micromachinable material. Such a material may include quartz, corundum, ceramic, silicon carbide (Sic), diamond, metallic glass or an at least partially amorphous material or the like.
• the assembly 120 can be a single piece and be made of a “fragile” material similar to that of the holding member 1. It will be noted that in a variant of this assembly 120, only the holding member elastic 1 can be made of such a so-called "fragile” material, the timepiece component 2 then being made of another electrically insulating material or not.
• assembly 130 has been devised here for applications in the watchmaking field.
• this assembly 130 can be used perfectly in other fields such as aeronautics, jewelry, or even automotive.
• the retaining member 1 comprises an upper face and a lower face which are preferably planar, both of which are respectively included in first and second planes P1 and P2.
• This member 1 also has a thickness which extends from the upper face to the lower face.
• the inner face 6 participates in defining a volume 5 in which are arranged at least three elastic arms 4 provided with free ends.
• these elastic arms 4 each include two ends, a first end connected to the inner face 6 of the retaining member 1 and a second end which is the free end.
• This free end comprises a contact face having a shape configured / adapted to cooperate with a corresponding contact portion 9 of a mounting zone 12 of the support element 3.
• this mounting zone 12 when this mounting zone 12 is defined on a part of the support element 3 having a circular cross section, then the contact face of the arm has a compatible shape capable of matching the shape of this part by being for example here a face curved contact.
• This support element 3 comprises at least as many contact portions 9 as the holding member 1 comprises elastic arms 4.
• the free ends of these arms 4 together define an opening into which said support element is capable of being inserted. 3.
• the contact faces of the free ends of these arms 4 form an internal wall of this opening.
• Such an opening has a section which is smaller than that of the mounting area 12 included in one end of the support element 3 which is intended to be arranged there.
• each arm 4 has an essentially curved or rectilinear shape with the free end constituting the part of the arm 4 closest to a central axis D of the opening.
• Each of these elastic arms 4 is capable of being eccentrically deformed relative to this central axis D of the opening.
• each of these arms 4 when it is subjected to a stress induced by the support element 3 as will be seen subsequently, is capable of being deformed by passing from a rest position to a stress position. .
• all or part of this arm 4 is then moved eccentrically relative to the central axis D and this, towards the inner face 6 of the control member.
• Such arms 4 contribute to ensuring elastic clamping of the support element 3 in the opening with minimal adjustment play by being configured to be deformed eccentrically relative to the central axis D of said opening .
• the support element 3 is made of an electrically conductive material.
• This support element 3 comprises the mounting zone 12 comprising the contact portions 9 intended to cooperate with the arms 4 of the holding member 1 and at least one receiving zone 7a, 7b which is capable of receiving at least one element. blocking 11 a, 11 b of a radial, axial and / or rotational movement of this support element 3 relative to the holding member 1.
• This support element 3 has a preferably circular section but this section may in a variant having the shape of a regular polygon comprising for example at least three sides and possibly having rounded vertices. Note that the shape of the section of this support element 3 is preferably similar to that of the opening.
• the invention also relates to a method for producing the assembly 130 comprising the assembly 120 elastic retaining member - watch component with the support element 3.
• This method comprises a step of mounting 20 said holding member 1 on the support element 3 delimiting / defining on the peripheral wall of one end of this support element 3 at least one zone reception 7a, 7b of at least one blocking element 11a, 11b of a movement of said retaining member 1 relative to said support member 3.
• it is a step of mounting said retaining member 1 on the support element 3 helping to delimit / define on the peripheral wall of one end of this support element 3 at least one receiving zone 7a, 7b of at least one locking element 11a, 11b of a displacement of said retaining member 1 relative to said support member 3.
• this is a step of mounting said retaining member 1 on the support member 3, said mounting step contributing to defining on the peripheral wall of one end of this support element 3 at least one receiving zone 7a, 7b of at least one blocking element 11a, 11b of a movement of said retaining member 1 relative to said support element 3.
• a step 20 comprises a sub-step 21 of inserting the support element 3 in the retaining member 1 with minimal adjustment play.
• This sub-step 21 comprises an indexing phase 22 of the support element 3 with respect to the holding member 1. More precisely, during this phase 22, the end of the support element 3 comprising the mounting area 12 is arranged in the opening defined by the free ends of the elastic arms 4 of the holding member 1.
• the arrangement of the support element 3 in this opening is made around an axis common to the end of this support element 3 and to the opening of the holding member 1.
• This common axis coincides with the central axis D.
• Such an arrangement around this common axis participates in indexing of the end of the support element 3 relative to the opening.
• the insertion sub-step 21 also comprises an elastic clamping phase 23 of the support element 3 in the holding member 1 aimed at producing contact interfaces 8 between the holding member 1 and this support element 3. Indeed, during the insertion of the support element 3 into the opening, its end comes into contact with the elastic arms 4 which then deforms radially with respect to the central axis of the opening until that the contact portions 9 of the support element 3 are in contact with the contact faces of the elastic arms 4.
• the contact interfaces 8 between the holding member 1 and the support member 3 are created by the contact of the contact faces with the contact portions and the The arrangement of the end in the opening is carried out with a minimum adjustment play aimed at ensuring an unblocked or unlocked hold of the support element 3 in this opening of the holding member 1.
• the method comprises a step of making 24 by galvanic metal growth of at least one blocking element 11 a, 11 b on at least one of the receiving areas 7a, 7b of the mounting area 12 of the element.
• This step 24 comprises a sub-step 25 of determining the location of said at least one reception area 7a, 7b of at least one locking element 11a, 11b in the mounting area 12 of the element.
• the position of the reception zone 7a, 7b is defined as a function of at least one contact interface 8 between the holding member 1 and the support member 3.
• This sub-step of determination 25 comprises an identification phase 26 of delimitation areas 10 of the contact interfaces 8.
• delimitation areas 10 correspond to parts of the mounting area 12 of the support element 3 comprising the borders / boundaries of each interface contact 8.
• the locking elements 11a, 11b are intended to be built on the reception areas 7a, 7b comprising these delimitation areas 10 of the contact interfaces 8 and this, preferably in whole or in part on or near the edges / limits of each of these contact interfaces 8.
• the production step 24 comprises a construction sub-step 27 by galvanic metal growth of at least one blocking element 11a, 11b in at least one of the receiving areas 7a, 7b located in the mounting area 12 of the support element 3 comprising at least one identified delimitation zone 10.
• This galvanic growth on said at least one reception area 7a, 7b is preferably fine and has a thickness between 0.5 and 20 ⁇ m, and is preferably 3 ⁇ m.
• Such galvanic growth is carried out only on the surface of the receiving zone 7a, 7b of the support element 3, in fact no growth can occur on the free end of the elastic arms 4 of the holding member 1. made of electrically insulating material.
• the construction sub-step 27 comprises a construction phase 28 by this galvanic metallic growth of said at least one blocking element 11a in at least one receiving area 7a located in the mounting area 12 of the element.
• support 3 comprising delimitation areas 10 identified by two contact interfaces 8, these delimitation areas 10 being arranged facing one another.
• the locking element 11 a is then built between two contact interfaces 8 or else between the two contact portions 9 of the mounting zone 12 of the support element 3 which are provided to cooperate with the contact faces of the free ends of the elastic arms 4.
• two locking elements 11a can be built just over the two defined delimitation zones 10 which are included in the corresponding reception zone 7a.
• phase 28 therefore participates in the production of at least one blocking element 11a of the rotational and / or radial movement of the support element 3 relative to the retaining member 1.
• the construction sub-step 27 also comprises a constitution phase 29 by galvanic metallic growth of said at least one blocking element 11b in at least one receiving zone 7b located in the mounting zone 12 of the support element 3 comprising at least at least one delimitation zone 10 identified with at least one contact interface 8, said at least one delimitation zone 10 being arranged opposite one of the two ends of the support element 3.
• the locking element 11b is then built on the receiving zone 7b between a contact interface 8 and one of the two ends of the support element 3 or again between this end of the support element 3 and a contact portion 9 of the mounting zone 12 of the support element 3 which is provided to cooperate with the contact face of the free end of the elastic arm 4.
• two locking elements 11b can be built just on the two determined delimitation zones 10 which are included in the corresponding reception zone 7b, the two determined delimitation zones 10 being those which are arranged opposite the two corresponding ends of the support element 3.
• phase 29 therefore participates in the production of at least one blocking element 11b of the axial and / or radial displacement of the support element 3 relative to the retaining member 1.
• blocking elements 11a, 11b are built on all the delimitation zones 10 of the contact interfaces 8 defined between the elastic arms 4 and the mounting zone 12 of the support element 3. It is understood that in other variants, such blocking elements 11a, 11b can be constructed only for a certain given number of contact interfaces 8 and / or delimitation zone 10 determined according to for example the type of blocking of the movement of the 'support element 3 relative to the holding member 1 to be configured.

Landscapes

• Physics & Mathematics (AREA)
• General Physics & Mathematics (AREA)
• Micromachines (AREA)
• Electric Clocks (AREA)
• Springs (AREA)
• Adornments (AREA)

Applications Claiming Priority (2)

Publications (1)

Family

ID=67659133

Family Applications (2)

Family Applications Before (1)

Country Status (6)

Family Cites Families (5)

• 2019
  • 2019-08-16 EP EP19192158.4A patent/EP3779607A1/de not_active Withdrawn
• 2020
  • 2020-07-21 JP JP2021576313A patent/JP7386269B2/ja active Active
  • 2020-07-21 EP EP20740348.6A patent/EP4014095A1/de active Pending
  • 2020-07-21 US US17/630,394 patent/US20220283544A1/en active Pending
  • 2020-07-21 KR KR1020227003596A patent/KR20220026598A/ko not_active Application Discontinuation
  • 2020-07-21 CN CN202080059588.1A patent/CN114341748A/zh active Pending
  • 2020-07-21 WO PCT/EP2020/070555 patent/WO2021032388A1/fr unknown

Also Published As

Similar Documents

Legal Events