EP3333644A1 - Vorrichtung zur steuerung von mindestens zwei elektronischen und/oder mechanischen funktionen eines tragbaren gegenstands - Google Patents

Vorrichtung zur steuerung von mindestens zwei elektronischen und/oder mechanischen funktionen eines tragbaren gegenstands Download PDF

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Publication number
EP3333644A1
EP3333644A1 EP16202471.5A EP16202471A EP3333644A1 EP 3333644 A1 EP3333644 A1 EP 3333644A1 EP 16202471 A EP16202471 A EP 16202471A EP 3333644 A1 EP3333644 A1 EP 3333644A1
Authority
EP
European Patent Office
Prior art keywords
control rod
indexing plate
arms
plate
stable
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Withdrawn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
EP16202471.5A
Other languages
English (en)
French (fr)
Inventor
Vittorio ZANESCO
Pascal Lagorgette
Pascal Meyer
Damien Schmutz
Raphael Balmer
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.)
ETA Manufacture Horlogere Suisse SA
Original Assignee
ETA Manufacture Horlogere Suisse 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 ETA Manufacture Horlogere Suisse SA filed Critical ETA Manufacture Horlogere Suisse SA
Priority to EP16202471.5A priority Critical patent/EP3333644A1/de
Priority to EP17198321.6A priority patent/EP3333648B1/de
Priority to US15/800,819 priority patent/US10921754B2/en
Priority to JP2017224478A priority patent/JP2018091839A/ja
Priority to CN201711266360.6A priority patent/CN108153136B/zh
Priority to KR1020170166124A priority patent/KR102052802B1/ko
Publication of EP3333644A1 publication Critical patent/EP3333644A1/de
Priority to HK18114627.2A priority patent/HK1255454A1/zh
Priority to JP2019140989A priority patent/JP6884827B2/ja
Withdrawn legal-status Critical Current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
    • G04B19/24—Clocks or watches with date or week-day indicators, i.e. calendar clocks or watches; Clockwork calendars
    • G04B19/243—Clocks or watches with date or week-day indicators, i.e. calendar clocks or watches; Clockwork calendars characterised by the shape of the date indicator
    • G04B19/247—Clocks or watches with date or week-day indicators, i.e. calendar clocks or watches; Clockwork calendars characterised by the shape of the date indicator disc-shaped
    • G04B19/25—Devices for setting the date indicators manually
    • 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
    • G04B37/08—Hermetic sealing of openings, joints, passages or slits
    • G04B37/081—Complete encasings for wrist or pocket watches also comprising means for hermetic sealing of the winding stem and crown
    • G—PHYSICS
    • G04—HOROLOGY
    • G04G—ELECTRONIC TIME-PIECES
    • G04G21/00—Input or output devices integrated in time-pieces
    • 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
    • G04B27/00—Mechanical devices for setting the time indicating means
    • G04B27/02—Mechanical devices for setting the time indicating means by making use of the winding means
    • 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
    • G04B27/00—Mechanical devices for setting the time indicating means
    • G04B27/002—The setting apparatus being crown shaped
    • G—PHYSICS
    • G04—HOROLOGY
    • G04C—ELECTROMECHANICAL CLOCKS OR WATCHES
    • G04C3/00—Electromechanical clocks or watches independent of other time-pieces and in which the movement is maintained by electric means
    • G04C3/001—Electromechanical switches for setting or display
    • G—PHYSICS
    • G04—HOROLOGY
    • G04C—ELECTROMECHANICAL CLOCKS OR WATCHES
    • G04C3/00—Electromechanical clocks or watches independent of other time-pieces and in which the movement is maintained by electric means
    • G04C3/001—Electromechanical switches for setting or display
    • G04C3/005—Multiple switches
    • G—PHYSICS
    • G04—HOROLOGY
    • G04G—ELECTRONIC TIME-PIECES
    • G04G21/00—Input or output devices integrated in time-pieces
    • G04G21/08—Touch switches specially adapted for time-pieces

Definitions

  • the present invention relates to a device for controlling at least two electronic and / or mechanical functions for a portable object of small dimensions. More specifically, the invention relates to such a device comprising a control rod provided with a mechanical position indexing device which makes it possible to make each electronic or mechanical function coincide with a position distinct from the control rod.
  • the present invention relates to the field of control rods which equip portable objects of small dimensions such as timepieces and which are arranged to control one or more electronic and / or mechanical functions of such objects.
  • control rods of this type comprise a cylindrical portion whose length is substantially greater than the diameter and at one end of which is located outside the portable object is fixed a crown allowing a user of operate the control rod and adjust the electronic or mechanical function (s).
  • these rods control several functions, it is necessary to be able to match each given function with a determined position of the control rod.
  • FIG. figure 22 An example of such a control rod is shown in FIG. figure 22 attached to this patent application.
  • this control rod comprises a cylindrical portion 202 terminated at its end located outside the portable object (not shown) which is equipped with an actuating ring 204.
  • the cylindrical portion 202 of the control rod 200 is provided with a cam path 206 formed of three successive annular grooves 208a, 208b and 208c separated from each other by two beads 210a and 210b with substantially rounded profiles.
  • the dimensions of the annular grooves 208a-208c are adapted to those of the elastic arms 212 of a spring 214 for example U-shaped protruding for example in the annular groove 208a of the cam path 206. It is understood that to pass the elastic arms 212 of the spring 214 of the annular groove 208a in the annular groove 208b, it is necessary that the user exerts on the control rod 200 a tensile force greater than the force required for these elastic arms 212 to move and slide on the bead 210a before closing on the annular groove 208b.
  • the object of the present invention is to remedy the problems mentioned above as well as to others by providing a device for controlling at least two electronic and / or mechanical functions comprising a rod whose diameter is small enough that it can be used especially in the field of watchmaking.
  • the present invention relates to a device for controlling at least two electronic and / or mechanical functions of a portable object of small dimensions, this device comprising an axially movable control rod between at least a first and a second position, this control rod being provided at a first end with an actuating member, and being provided to a second end of a position indexing plate arranged to cooperate with an elastic member to coincide each of the first and second positions of the control rod with one of the mechanical or electronic functions.
  • the present invention provides a device for controlling at least two electronic or mechanical functions whose dimensions are contained, which makes it possible to install such a control device in a portable object of small dimensions such as in particular a wristwatch.
  • the mechanical structure that indexes the position of the control rod is moved from the actual control rod to a position indexing plate which is machined separately from the control rod.
  • a position indexing plate which is machined separately from the control rod.
  • Such a plate is relatively thin and further extends in a substantially horizontal plane, whereas, when the mechanical indexing structure of the position is formed on the control rod, it makes it necessary to increase the diameter of the control rod and therefore the height of the middle part of the portable object, so that the portable object is thicker, which is to be avoided especially in the field of timepieces.
  • the friction is virtually eliminated in order to limit the wear to the maximum and to guarantee a longevity of the most important control device possible.
  • the less friction is important the easier is the manipulation of the control rod, particularly in unstable thrust position.
  • control rod and the indexing plate are not mounted in an indissociable manner makes it possible to guarantee the dismountability of the control device, which is advantageous in particularly in the case where the timepiece equipped with the control device according to the invention is of a certain price.
  • the present invention proceeds from the general inventive idea of transferring an indexing mechanism of the position of a control rod of at least two electronic and / or mechanical functions of a portable object of small dimensions such as a timepiece from this control rod to a plate machined separately from said control rod.
  • a control rod of at least two electronic and / or mechanical functions of a portable object of small dimensions such as a timepiece
  • a plate machined separately from said control rod By proceeding in this way, it is possible to reduce the diameter of the control rod and therefore reduce concomitantly the thickness of the middle part of the portable object such as a timepiece.
  • the indexing mechanism which is typically in the form of two cam paths cooperating with an elastic member, instead of being structured directly on the control rod, is made in a thin plate which constitutes a separate part of the control rod and which is mechanically coupled with the latter.
  • the control rod is devoid of its indexing mechanism, its diameter can be decreased, and the position indexing plate according to the invention, because of its small thickness, does not cause a significant
  • the direction from rear to front is a rectilinear direction which extends horizontally along the longitudinal axis of symmetry XX of the control rod from the outer actuating ring towards the inside of the portable object equipped with the control device.
  • the control rod will be pushed from the back to the front, and will be pulled from the front to the back.
  • the vertical direction z is a direction that extends perpendicularly to the plane in which the control rod extends.
  • the figure 1 is a perspective view in the dissociated state of a device for controlling at least one electronic function of a small portable object such as a wristwatch.
  • this control device comprises (see figure 2 ) a lower frame 2 for example made of an injected plastic material or a non-magnetic metallic material such as brass.
  • This lower frame 2 serves as a cradle for a control rod 4 of preferentially elongate and substantially cylindrical shape, provided with a longitudinal axis of symmetry XX (see FIG. figure 3 ).
  • This control rod 4 is arranged to slide back and forth forwards along its longitudinal axis of symmetry XX , and / or to rotate about the same longitudinal axis of symmetry XX in a clockwise and counterclockwise direction. .
  • control rod 4 At a rear end 6 which will be located outside the portable object once it is equipped with a control device 1, the control rod 4 will receive an actuating ring 8 (see FIG. figure 18 ).
  • control rod 4 At a front end 10 which will be located inside the control device 1 once it is assembled, the control rod 4 has a section 12, for example square, and successively receives a magnetic unit 14 and a plain bearing 16.
  • the magnetic assembly 14 comprises a bipolar or multipole magnetic ring 18 and a support ring 20 on which the magnetic ring 18 is fixed typically by gluing (see FIG. figure 4 ).
  • the support ring 20 is a generally cylindrical piece. As visible on the figure 5 , the support ring 20 has, from the rear towards the front, a first section 22a of a first outer diameter D1 on which is engaged the magnetic ring 18, and a second section 22b of a second outer diameter D2 greater than the first outer diameter D1 and which delimits a shoulder 24 against which the magnetic ring 18 bears.
  • the first section 22a of the support ring 20 is pierced with a square hole 26 which is adapted in shape and size to the square section 12 of the control rod 4 and forms with this control rod 4 a pinion type system flowing.
  • the support ring 20 and the magnetized ring 18 remain stationary when sliding axially the control rod 4.
  • the control rod 4 drives the support ring 20 and the magnetic ring 18 in rotation when this control rod 4 is rotated. It is understood from the foregoing that the magnetic ring 18, carried by the support ring 20, is not in contact with the control rod 4, which allows to protect it in case of shocks applied to the portable object equipped with a control device 1.
  • the plain bearing 16 defines (see figure 5 ) a cylindrical housing 28 whose first inner diameter D3 is very slightly greater than the diameter of the circle in which the square section 12 of the control rod 4 fits in order to allow this control rod 4 to slide axially and / or to rotate inside this cylindrical housing 28.
  • the sliding bearing 16 thus ensures the perfect axial guidance of the control rod 4.
  • the square hole 26 formed in the first section 22a of the support ring 20 is extended towards the front of the control device 1 by an annular hole 30 whose second internal diameter D4 is adjusted to the third outer diameter D5 of the 16.
  • the support ring 20 is thus threaded free to rotate on the plain bearing 16 and comes into axial abutment against this sliding bearing 16, which guarantees the perfect axial alignment of these two parts and makes it possible to correct the problems of concentricity. that a coupling of the sliding gear type can pose.
  • the sliding bearing 16 is provided on its outer surface with a circular flange 32 which protrudes into a first groove 34a and a second groove 34b respectively formed in the lower frame 2 (see FIG. figure 2 ) and in an upper frame 36 (see figure 6 ) arranged to cap the lower frame 2 and made for example of an injected plastic material or a non-magnetic metallic material such as brass.
  • a circular flange 32 which protrudes into a first groove 34a and a second groove 34b respectively formed in the lower frame 2 (see FIG. figure 2 ) and in an upper frame 36 (see figure 6 ) arranged to cap the lower frame 2 and made for example of an injected plastic material or a non-magnetic metallic material such as brass.
  • the magnetic assembly 14 and the plain bearing 16 described above are for illustrative purposes only.
  • the plain bearing 16 for example made of steel or brass, is provided to prevent the control rod 4, for example made of steel, from rubbing against the lower frame 2 and upper 36 and causes wear of the material plastic in which these two lower frames 2 and upper 36 are typically made.
  • the control rod 4 is directly carried by the lower frame 2.
  • the magnetic ring 18 and the support ring 20 on which the magnet ring 18 is fixed are provided for the case where the rotation of the control rod 4 is detected by a local variation of the magnetic field induced by the pivoting of the magnetic ring 18.
  • the magnetic assembly 14 for example by a sliding pinion which, according to its position, will for example control the winding of a mainspring or the setting at the time of a watch equipped with the control device 1.
  • control rod 4 provided over a portion of its length with a square section is given for illustrative purposes only. Indeed, to drive the magnetic assembly 14 in rotation, the control rod 4 may have any type of section which deviates from a circular section, for example triangular or oval.
  • the lower frame 2 and the upper frame 36 whose assembly defines the external geometry of the control device 1 are for example of generally parallelepipedal shape.
  • the lower frame 2 forms a cradle which receives the control rod 4 (see figure 2 ).
  • the lower frame 2 comprises forwards a first receiving surface 38 of semicircular profile which serves as a seat for the sliding bearing 16 and in which is provided the first groove 34a which receives the circular flange 32. The immobilization of the sliding bearing 16 both axially and rotation is thus ensured.
  • the lower frame 2 further comprises a rearwardly a second receiving surface 40 whose semicircular profile is centered on the longitudinal axis of symmetry XX of the control rod 4, but whose diameter is greater than that of this control rod 4. It is important to understand that the control rod 4 bears on the second receiving surface 40 only at the stage where the control device 1, assembled, is tested before being integrated into the portable object. At this stage of the assembly, the control rod 4 is introduced into the control device 1 for testing purposes and extends horizontally while being supported and guided axially by the sliding bearing 16 on the side of its front end 10 and by the second receiving surface 40 on the side of its rear end 6. By cons, once the control device 1 integrated in the portable object, the control rod 4 passes through a hole 42 formed in the middle 48 of the object notebook in which it is guided and supported (see figure 19 ).
  • Third and fourth clearance surfaces 44a and 46a of semicircular profile are also provided in the lower frame 2 and complementary release surfaces 44b and 46b (see figure 6 ) are provided in the upper frame 36 to receive the magnetic assembly 14 consisting of the magnetic ring 18 and its support ring 20.
  • the magnetic ring 18 and its support ring 20 are not in contact with the third and fourth clearance surfaces 44a, 46a and the complementary clearance surfaces 44b and 46b when the control device 1 is assembled and mounted in the portable object.
  • the third clearance surface 44a and its corresponding complementary clearance surface 44b are delimited by a circular flange 50 for the axial locking of the magnetic assembly 14.
  • the control rod 4 has a cylindrical section 52 whose diameter is included between the diameter of the circle in which the square section 12 of the control rod 4 fits and the pitch diameter of a rear section 54 of the same control rod 4 at the end of which is fixed the crown of
  • This cylindrical section 52 of reduced diameter forms a groove 56 in which is placed a plate 58 for indexing the position of the control rod 4 (see FIG. Figures 7A and 7B ).
  • the position indexing plate 58 has a curved portion 60 which matches the profile of the cylindrical section 52 of reduced diameter and which allows the position indexing plate 58 to extend substantially horizontally.
  • the position indexing plate 58 may for example be obtained by stamping a thin metal sheet electrically conductive.
  • this position indexing plate 58 for example by molding a hard plastic material loaded with conductive particles.
  • the engagement of the position indexing plate 58 in the groove 56 ensures translation coupling back and forth forwards between the control rod 4 and the position indexing plate 58.
  • the position index plate 58 is free with respect to the control rod 4 in a vertical direction z perpendicular to the longitudinal axis of symmetry XX of the control rod 4.
  • the position indexing plate 58 is a substantially flat and generally U-shaped piece.
  • This position indexing plate 58 comprises two substantially rectilinear guide arms 62 which extend parallel to each other and which are connected to one another. one to the other by the curved portion 60. These two guide arms 62 are guided axially for example against two pins 64 formed in the lower frame 2. Guided by its two guide arms 62, the position index plate 58 slides along a flange 68 formed in the upper frame 36 and whose perimeter corresponds to that of the position index plate 58 (see figure 6 ).
  • the position indexing plate 58 also comprises two fingers 66a, 66b which extend vertically downwards on either side of the two guide arms 62.
  • the position indexing plate 58 has the particular function of ensuring the translational guidance of the control rod 4 from front to back and back to front.
  • the fingers 66a, 66b they make it possible in particular to prevent the position indexing plate 58 from bending when it moves in translation.
  • Two openings 70 having a contour of approximately rectangular shape are formed in the guide arms 62 of the position indexing plate 58. These two openings 70 extend symmetrically on either side of the longitudinal axis of symmetry XX of the control rod 4.
  • the sides of the two openings 70 closest to the longitudinal axis of symmetry XX of the control rod 4 have a cam path 72 of substantially sinusoidal shape formed of a first and a second hollow 74a and 74b separated by a vertex 76.
  • the two openings 70 formed in the guide arms 62 are intended to receive the two ends 78 of a positioning spring 80 (see figure 8 ).
  • This positioning spring 80 has a generally U-shaped shape with two rods 82 which extend in a horizontal plane and which are interconnected by a base 84. At their free end, the two rods 82 are extended by two arms 86 substantially rectilinear standing vertically.
  • the positioning spring 80 is intended to be mounted in the control device 1 from below the lower frame 2, so that the ends 78 of the arms 86 project into the openings 70 of the position indexing plate 58. It will be seen below that the cooperation between the position indexing plate 58 and the positioning spring 80 makes it possible to index the position of the control rod 4 between an unstable thrust position T0 and two stable positions T1 and T2.
  • the position indexing plate 58 is coupled in translation with the control rod 4, but that it is free with respect to the control rod 4 in the vertical direction z . It is therefore necessary to take measures to prevent the position indexing plate 58 from disengaging from the control rod 4 under normal conditions of use, for example under the effect of gravity.
  • a spring 88 for limiting the displacement of the position index plate 58 in the vertical direction z above and at a short distance from this position indexing plate 58.
  • the displacement limiting spring 88 is trapped between the lower frame 2 and the upper frame 36 of the control device 1, but is not, under normal conditions of use, in contact with the position indexing plate 58, which makes it possible to avoid that spurious friction forces exerted on the control rod 4 which would make its handling difficult and cause a phenomenon of wear.
  • the displacement limiting spring 88 is however sufficiently close to the position indexing plate 58 so that it can not decouple from the control rod 4 inadvertently.
  • the displacement limiting spring 88 comprises a substantially rectilinear central portion 90 from the ends of which extend two pairs of elastic arms 92 and 94. These elastic arms 92 and 94 extend on either side of the part. 90 of the displacement limiting spring 88, moving away from the horizontal plane in which extends the central portion 90. These elastic arms 92 and 94, being compressed when the upper frame 36 is joined to the lower frame 2, give the displacement limiting spring 88 its elasticity in the vertical direction z .
  • pairs of elastic arms 92 and 94 are also provided a pair and, preferably, two pairs of rigid tabs 96 which extend perpendicularly downwards on either side of the central portion 90 of the displacement limitation spring 88
  • These rigid tabs 96 which bear on the lower frame 2 when the upper frame 36 is placed on the lower frame 2, guarantee the respect of a minimum spacing between the position indexing plate 58 and the displacement limiting spring 88 under normal operating conditions of the control device 1.
  • the displacement limiting spring 88 guarantees the dismountability of the control device 1.
  • the position indexing plate 58 should be made integral with the control rod 4 and as a result, the control rod 4 could no longer be disassembled.
  • the control rod 4 could not be disassembled, the movement of the timepiece equipped with the control device 1 is also inconcemontable, which is not possible in particular in the case of a timepiece expensive.
  • a disengagement plate 98 is provided to allow the disassembly of the control rod 4 (see figure 10 ).
  • This disengagement plate 98 is generally H-shaped and comprises a straight segment 100 which extends parallel to the longitudinal axis of symmetry XX of the control rod 4 and to which a first and a second transverse section 102 and 104 are attached.
  • the first transverse section 102 is further provided at its two free ends with two tabs 106 folded at a substantially right angle.
  • the disengagement plate 98 is received in a housing 108 formed in the lower frame 2 and located under the control rod 4. This housing 108 communicates with the outside of the device 1 via a hole 110 which opens into a lower face 112 of the control device 1 (see FIG. figure 11 ).
  • the control rod 4 From its stable rest position T1, the control rod 4 can be pushed forward in an unstable position T0 or pulled in a stable position T2. These three positions T0, T1 and T2 of the control rod 4 are indexed by cooperation between the position index plate 58 and the positioning spring 80. More precisely (see figure12A ), the stable rest position T1 in which no control can be introduced into the portable object equipped with the control device 1 corresponds to the position in which the ends 78 of the arms 86 of the positioning spring 80 protrude into the first hollow 74a of the two openings 70 formed in the guide arms 62 of the position index plate 58. From this stable rest position T1, the control rod 4 can be pushed forward in an unstable position T0 (see figure 12B ).
  • the ends 78 of the arms 86 of the positioning spring 80 leave the first recesses 74a and follow a first ramp profile 114 which progressively deviates from the longitudinal axis of symmetry XX of the control rod 4 according to a first abrupt ⁇ slope.
  • the user To force the ends 78 of the arms 86 of the positioning spring 80 out of the first recesses 74a and to engage on the first ramp profile 114 away from each other, the user must therefore overcome a significant resisting stress.
  • the ends 78 of the arms 86 engage on a second ramp profile 118 which extends the first profile in ramp 114 with a second slope ⁇ less than the first slope ⁇ of the first ramp profile 114.
  • the effort that the user must provide to continue to advance the control rod 4 drops sharply and the user feels a click that indicates the transition of the control rod 4 between its T1 position and its T0 position.
  • the arms 86 of the positioning spring 80 continue to move slightly away from their rest position and tend to want to come closer to one another under the effect of their force.
  • First and second contact springs 120a and 120b are housed compressed in a first and a second cavity 122a and 122b formed in the lower frame 2.
  • These first and second contact springs 120a and 120b may be chosen as helical contact springs, spring blades or others.
  • the two cavities 122a, 122b extend preferentially but not necessarily horizontally. Because the two contact springs 120a, 120b are installed in the compressed state, the accuracy of their positioning is conditioned by the tolerance with which the lower frame 2 is manufactured. However, the precision with which the lower frame 2 is manufactured is is greater than the manufacturing accuracy of these two first and second contact springs 120a, 120b. Therefore, the detection accuracy of the position T0 of the control rod 4 is high.
  • one of the ends of the first and second contact springs 120a, 120b is bent so as to form two contact tabs 124 which will come to bear on two corresponding first contact pads 126 provided on the surface of a sheet of flexible circuit board 128.
  • the moment when the ends 78 of the arms 86 of the positioning spring 80 engage on the second ramp profile 118 of the two openings 70 formed in the position indexing plate 58 coincides with the moment when the fingers 66a, 66b of the position indexing plate 58 come into contact with the first and second contact springs 120a, 120b.
  • this position indexing plate 58 is electrically conductive, when the fingers 66a, 66b contact the first and second contact springs 120a, 120b, the electrical current passes through the position indexing plate 58 and the closing of the electrical contact between the first and second contact springs 120a, 120b is detected.
  • the first and second contact springs 120a, 120b are of the same length. However, preferably, one of the first and second cavities 122a, 122b will be longer than the other in particular to take account of tolerance problems (the difference in length between the two cavities 122a, 122b is a few tenths of a millimeter ). In this way, when pushing the control rod 4 forward to its position T0, the finger 66a of the position indexing plate 58 which is in correspondence with the first contact spring 120a housed in the first cavity 122a the longest will come in contact with it and start compressing it.
  • the control rod 4 will continue to advance and the second finger 66b of the position indexing plate 58 will come into contact with the second contact spring 120b housed in the second cavity 122b the shortest. At this time, the position indexing plate 58 will be in contact with the first and second contact springs 120a, 120b and the electric current will pass through the position index plate 58, allowing to detect the closing the electrical contact between the two first contact springs 120a, 120b. Note that the fingers 66a, 66b of the position indexing plate 58 come into abutting contact with the first and second contact springs 120a, 120b. There is therefore no friction or wear when the control rod 4 is pushed forward in position T0 and closes the circuit between the first and second contact springs 120a, 120b.
  • the first contact spring 120a housed in the longest first cavity 122a is at the same time. compressed state. Therefore, when the user releases the pressure on the control rod 4, this first contact spring 120a relaxes and forces the return of the control rod 4 from its unstable thrust position T0 to its first stable position T1.
  • the first and second contact springs 120a, 120b thus simultaneously play the role of electrical contact parts and elastic return means of the control rod 4 in its first stable position T1.
  • the control rod 4 Since the first stable position T1, it is possible to pull the control rod 4 back into a second stable position T2 (see figure 12C ). During this movement, the ends 78 of the arms 86 of the positioning spring 80 will pass by elastically deforming first hollow 74a to the second hollow 74b crossing the vertices 76 of the two openings 70 formed in the guide arms 62 of the plate Position indexing 58.
  • the control rod 4 arrives in its second stable position T2
  • the two fingers 66a, 66b of the position indexing plate 58 abut against third and fourth contact springs 130a, 130b (see figure 13 ) which are housed in third and fourth cavities 132a, 132b formed in the lower frame 2.
  • third and fourth contact springs 130a and 130b can be the choice of helical contact springs, leaf springs or other.
  • the third and fourth cavities 132a, 132b preferably extend vertically for dimensions of the control device 1.
  • the fingers 66a, 66b of the position indexing plate 58 also come into abutting contact with the third and fourth contact springs 130a, 130b, so that any risk frictional wear is avoided.
  • the third and fourth contact springs 130a, 130b are capable of flexing when the fingers 66a, 66b of the position indexing plate 58 strike them, and thus of absorbing a possible lack of precision in the positioning of the position index plate 58.
  • the third and fourth contact springs 130a, 130b are arranged to work in bending. Indeed, with contact springs 130a, 130b whose diameter is constant, the fingers 66a, 66b of the position indexing plate 58 come into contact with the contact springs 130a, 130b according to a large surface close to their points anchoring in the lower frame 2 and the upper frame 36. The proximity of the contact surface with the anchor points of the contact springs 130a, 130b induces in these contact springs 130a, 130b shear stresses which can lead to at premature wear and breakage of these.
  • the contact springs 130a, 130b are preferably substantially half-way up in diameter 134 with which the fingers 66a, 66b of the position indexing plate 58 come into contact when the control rod 4 is pulled into its stable T2 position (see Figures 14A and 14B ).
  • the third and fourth contact springs 130a, 130b are guided in two holes 136 formed in the upper frame 36 and come into contact with second contact pads 138 provided on the surface of the flexible printed circuit sheet 128 It is understood that, when the control rod 4 is pulled back to its stable position T2, the fingers 66a, 66b of the position index plate 58 come into contact with a reduced surface with the third and fourth springs. 130a and 130b at their largest diameter 134, which allows these contact springs 130a, 130b to flex between their two anchor points in the lower frame 2 and the upper frame 36.
  • the flexible printed circuit sheet 128 is fixed on a plate 140 located on the side of a dial of the portable object. It has in particular a cut 142 adapted in shape and size to receive the upper frame 36. A portion 144 of the flexible printed circuit sheet 128 remains free (see figure 16 ). This free portion 144 of the flexible printed circuit sheet 128 carries a plurality of electronic components 146 as well as third contact pads 148 on which two inductive sensors 150 are fixed.
  • inductive sensor is meant a sensor which transforms a magnetic field which the crossbar in electrical voltage thanks to the phenomenon of induction defined by the law of Lenz-Faraday.
  • it may be a Hall effect sensor or a magnetoresistive component type AMR (Anisostropic Magnetoresistance), GMR (Giant Magnetoresistance) or TMR (Tunneling Magnetoresistance).
  • the free portion 144 of the flexible printed circuit sheet 128 is connected to the remainder of the flexible printed circuit sheet 128 by two strips 152 which allow the free portion 144 to be folded around the assembly of the upper frame 36 and the lower frame 2 , then fold down the free portion 144 against a lower surface 112 of the lower frame 2, so that the inductive sensors 150 enter two housings 156 formed in the lower surface 112 of the lower frame 2.
  • the sensors inductive 150 are precisely located under the magnetic ring 18, which ensures a reliable detection of the direction of rotation of the control rod 4.
  • the assembly is covered by a holding plate 158 provided with one or even two elastic fingers 160 which plate the inductive sensors 150 at the bottom of their housings 156 (see FIG. Figure 17B ).
  • the holding plate 158 is fixed to the plate 140 for example by means of two screws 162.
  • the present invention is not limited to the embodiment which has just been described and that various modifications and simple variants can be envisaged by those skilled in the art without departing from the scope of the invention as defined by the appended claims.
  • the dimensions of the magnetized ring can be extended to match a hollow cylinder.
  • the position indexing plate 58 can define only two distinct positions, namely two stable positions or a stable position and an unstable position, or it can define three distinct positions or more, namely at least three stable positions or at least two stable positions and an unstable position.
  • the figure 20A illustrates the case where the position indexing plate 58 defines two stable positions only.
  • two openings 70-1 having a contour of approximately rectangular shape are formed in the guide arms 62 of the plate Position indexing 58. These two openings 70-1 extend symmetrically on either side of the longitudinal axis of symmetry XX of the control rod 4.
  • the sides of the two openings 70-1 closest to the longitudinal axis of symmetry XX of the control rod 4 has a cam path 72-1 of substantially sinusoidal shape formed of a first and a second hollow 74a-1 and 74b-1 separated by a vertex 76-1 .
  • the two openings 70-1 formed in the guide arms 62 are intended to receive the two ends 78 of the arms of the positioning spring 80 so as to index the position of the control rod 4 between a first and a second stable position T1- 1 and T2-1.
  • the first stable position T1-1 corresponds to the position in which the ends 78 of the arms 86 of the positioning spring 80 protrude into the first recesses 74a-1 of the two openings 70-1 formed in the guide arms 62 of the position index plate 58. From this first stable position T1-1, the control rod 4 can be pulled back into a second stable position T2-1. During this movement, the ends 78 of the arms 86 of the positioning spring 80 will deform elastically from the first hollow 74a-1 to the second hollow 74b-1 by crossing the vertices 76-1 of the two openings 70-1 formed in the guide arms 62 of the position indexing plate 58.
  • the figure 21A illustrates the case where the indexing plate 58 defines a stable position T1-2 and an unstable position T0-2 only.
  • two openings 70-2 having a contour of approximately rectangular shape are formed in the guide arms 62 of the position indexing plate 58. These two openings 70-2 extend symmetrically on both sides. other of the longitudinal axis of symmetry XX of the control rod 4.
  • the sides of the two openings 70-2 closest to the longitudinal axis of symmetry XX of the control rod 4 have a cam path 72-2 formed a hollow 74a-2 followed by a ramp profile 114-2 which progressively deviates from the longitudinal axis of symmetry XX of the control rod 4 according to a steep first ⁇ -2 slope.
  • the user To force the ends 78 of the arms 86 of the positioning spring 80 out of the recesses 74a-2 and to engage the ramp profile 114-2 away from each other, the user must therefore overcome a significant resisting effort. Arrived at a transition point 116-2, the ends 78 of the arms 86 engage on a second ramp 118-2 profile which extends the first ramp profile 114-2 with a second slope ⁇ -2 lower than the first slope ⁇ -2 of the first ramp profile 114-2.
  • the effort that the user must provide to continue to advance the control rod 4 drops sharply and the user feels a click that indicates the transition of the control rod 4 between its stable position T1-2 and its unstable position T0-2.
  • the arms 86 of the positioning spring 80 continue to move slightly away from their rest position and tend to want to come closer to one another again under the effect of their elastic return force opposing the pushing force exerted by the user on the control rod 4.
  • the arms 86 of the positioning spring 80 will spontaneously go down again.
  • control rod 4 is thus automatically recalled from its unstable position T0-2 to its stable position T1-2.
EP16202471.5A 2016-12-06 2016-12-06 Vorrichtung zur steuerung von mindestens zwei elektronischen und/oder mechanischen funktionen eines tragbaren gegenstands Withdrawn EP3333644A1 (de)

Priority Applications (8)

Application Number Priority Date Filing Date Title
EP16202471.5A EP3333644A1 (de) 2016-12-06 2016-12-06 Vorrichtung zur steuerung von mindestens zwei elektronischen und/oder mechanischen funktionen eines tragbaren gegenstands
EP17198321.6A EP3333648B1 (de) 2016-12-06 2017-10-25 Vorrichtung zur steuerung von mindestens zwei elektronischen und/oder mechanischen funktionen eines tragbaren gegenstands
US15/800,819 US10921754B2 (en) 2016-12-06 2017-11-01 Device for controlling at least two electronic and/or mechanical functions of a portable object
JP2017224478A JP2018091839A (ja) 2016-12-06 2017-11-22 携帯品の少なくとも２つの電子的機能および／または機械的機能を制御するためのデバイス
CN201711266360.6A CN108153136B (zh) 2016-12-06 2017-12-05 控制便携式物体的至少两种电子和/或机械功能的装置
KR1020170166124A KR102052802B1 (ko) 2016-12-06 2017-12-05 휴대용 물체의 적어도 2 개의 전자적 및/또는 기계적 기능들을 제어하기 위한 기기
HK18114627.2A HK1255454A1 (zh) 2016-12-06 2018-11-15 控制便携式物體的至少兩種電子和/或機械功能的裝置
JP2019140989A JP6884827B2 (ja) 2016-12-06 2019-07-31 携帯品の少なくとも２つの電子的機能および／または機械的機能を制御するためのデバイス

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Application Number Priority Date Filing Date Title
EP16202471.5A EP3333644A1 (de) 2016-12-06 2016-12-06 Vorrichtung zur steuerung von mindestens zwei elektronischen und/oder mechanischen funktionen eines tragbaren gegenstands

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EP3333644A1 true EP3333644A1 (de) 2018-06-13

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EP16202471.5A Withdrawn EP3333644A1 (de) 2016-12-06 2016-12-06 Vorrichtung zur steuerung von mindestens zwei elektronischen und/oder mechanischen funktionen eines tragbaren gegenstands
EP17198321.6A Active EP3333648B1 (de) 2016-12-06 2017-10-25 Vorrichtung zur steuerung von mindestens zwei elektronischen und/oder mechanischen funktionen eines tragbaren gegenstands

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US (1) US10921754B2 (de)
EP (2) EP3333644A1 (de)
JP (2) JP2018091839A (de)
KR (1) KR102052802B1 (de)
CN (1) CN108153136B (de)
HK (1) HK1255454A1 (de)

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Publication number Publication date
JP6884827B2 (ja) 2021-06-09
KR102052802B1 (ko) 2019-12-05
EP3333648B1 (de) 2024-04-24
EP3333648A1 (de) 2018-06-13
JP2018091839A (ja) 2018-06-14
CN108153136A (zh) 2018-06-12
US20180157219A1 (en) 2018-06-07
HK1255454A1 (zh) 2019-08-16
CN108153136B (zh) 2021-11-23
US10921754B2 (en) 2021-02-16
KR20180064998A (ko) 2018-06-15
JP2019207252A (ja) 2019-12-05

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