EP1515203B1 - Verfahren zur Produktion und zur Montage von elektrischen Kontakten für kleine Schalter, die insbesondere in Uhrmacherei benutzt werden - Google Patents

Verfahren zur Produktion und zur Montage von elektrischen Kontakten für kleine Schalter, die insbesondere in Uhrmacherei benutzt werden Download PDF

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Publication number
EP1515203B1
EP1515203B1 EP03020320A EP03020320A EP1515203B1 EP 1515203 B1 EP1515203 B1 EP 1515203B1 EP 03020320 A EP03020320 A EP 03020320A EP 03020320 A EP03020320 A EP 03020320A EP 1515203 B1 EP1515203 B1 EP 1515203B1
Authority
EP
European Patent Office
Prior art keywords
electric contact
contact strips
crown
stem
electric
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.)
Expired - Lifetime
Application number
EP03020320A
Other languages
English (en)
French (fr)
Other versions
EP1515203A1 (de
Inventor
Laurent Kaelin
Yannick Hunziker
Baptist Wyssbrod
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 SA Manufacture Horlogere Suisse
Original Assignee
ETA SA Manufacture Horlogere Suisse
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 SA Manufacture Horlogere Suisse filed Critical ETA SA Manufacture Horlogere Suisse
Priority to EP03020320A priority Critical patent/EP1515203B1/de
Priority to DE60332728T priority patent/DE60332728D1/de
Priority to US10/923,791 priority patent/US7302758B2/en
Priority to TW093125592A priority patent/TWI372951B/zh
Priority to SG200405612A priority patent/SG110191A1/en
Priority to KR1020040069760A priority patent/KR100998403B1/ko
Priority to CN2004100791108A priority patent/CN1595573B/zh
Priority to JP2004262042A priority patent/JP4575091B2/ja
Publication of EP1515203A1 publication Critical patent/EP1515203A1/de
Priority to HK05107427.3A priority patent/HK1075129A1/xx
Application granted granted Critical
Publication of EP1515203B1 publication Critical patent/EP1515203B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H25/00—Switches with compound movement of handle or other operating part
    • H01H25/06—Operating part movable both angularly and rectilinearly, the rectilinear movement being along the axis of angular movement
    • G—PHYSICS
    • G04—HOROLOGY
    • G04G—ELECTRONIC TIME-PIECES
    • G04G17/00—Structural details; Housings
    • G04G17/02—Component assemblies
    • 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
    • G04C3/007—Electromechanical contact-making and breaking devices acting as pulse generators for setting
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H11/00—Apparatus or processes specially adapted for the manufacture of electric switches
    • H01H11/0056—Apparatus or processes specially adapted for the manufacture of electric switches comprising a successive blank-stamping, insert-moulding and severing operation
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R43/00—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors
    • H01R43/16—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors for manufacturing contact members, e.g. by punching and by bending
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H15/00—Switches having rectilinearly-movable operating part or parts adapted for actuation in opposite directions, e.g. slide switch
    • H01H15/02—Details
    • H01H15/06—Movable parts; Contacts mounted thereon
    • H01H15/10—Operating parts
    • H01H15/102—Operating parts comprising cam devices
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H19/00—Switches operated by an operating part which is rotatable about a longitudinal axis thereof and which is acted upon directly by a solid body external to the switch, e.g. by a hand
    • H01H19/005—Electromechanical pulse generators
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2300/00—Orthogonal indexing scheme relating to electric switches, relays, selectors or emergency protective devices covered by H01H
    • H01H2300/016—Application timepiece
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49002—Electrical device making
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49002—Electrical device making
    • Y10T29/49105—Switch making
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49002—Electrical device making
    • Y10T29/49117—Conductor or circuit manufacturing
    • Y10T29/49204—Contact or terminal manufacturing
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49002—Electrical device making
    • Y10T29/49117—Conductor or circuit manufacturing
    • Y10T29/49204—Contact or terminal manufacturing
    • Y10T29/49208—Contact or terminal manufacturing by assembling plural parts
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49002—Electrical device making
    • Y10T29/49117—Conductor or circuit manufacturing
    • Y10T29/49204—Contact or terminal manufacturing
    • Y10T29/49208—Contact or terminal manufacturing by assembling plural parts
    • Y10T29/49218—Contact or terminal manufacturing by assembling plural parts with deforming
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49002—Electrical device making
    • Y10T29/49117—Conductor or circuit manufacturing
    • Y10T29/49204—Contact or terminal manufacturing
    • Y10T29/49208—Contact or terminal manufacturing by assembling plural parts
    • Y10T29/49222—Contact or terminal manufacturing by assembling plural parts forming array of contacts or terminals
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49579—Watch or clock making
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49579—Watch or clock making
    • Y10T29/49586—Watch or clock making having crown, stem, or pendent

Definitions

  • the present invention relates to a method for manufacturing and assembling electrical contacts for small-sized control members, in particular for control members used in watchmaking.
  • the present invention relates in particular to such a method for producing a multifunctional crown rod of a timepiece or other similar electromechanical or electronic apparatus.
  • control members eg push-buttons, crown rods or the like
  • the moving part of the electrical contact is typically made in the form of a contact blade cut from a plate of an electrically conductive material (usually a metal such as steel or copper) and bent to the desired shape. Each contact blade thus formed is then mounted and fixed in the vicinity of the control member.
  • This operation is for example carried out by hand or according to automatic assembly processes consisting essentially of the gripping by a manipulator of the contact blade (the contact blades being typically arranged in bulk or in a strip in a feed device) and its mounting by the manipulator on its final support with which the contact blade is made integral.
  • a general object of the present invention is to propose a solution making it possible to manufacture and mount with greater ease the electrical contacts of control members of small dimensions.
  • the present invention aims in particular to simplify the manufacture and assembly of electrical contacts of control members used in watchmaking.
  • the subject of the present invention is a method for manufacturing and mounting electrical contacts for small-sized control members, the characteristics of which are set forth in claim 1.
  • the method thus comprises a first step of stamping and preforming a plate of an electrically conductive material to form an intermediate base plate comprising a support structure and a plurality of electrical contact blades still mechanically linked to the structure of the structure. support by a plurality of attachment points, each electric contact blade comprising a base and a flexible extension connected to the base to form the movable portion of an electrical contact operable by a control member.
  • This first step is followed by a step of positioning the intermediate base plate on a first support part electrically insulated from the electrical contact blades, and by a step of fixing on the first support part of a second insulated support part. electrically contacting blades so that each of the electrical contact blades is held between the first and second support members by its base.
  • a step of breaking the plurality of attachment points connecting the plurality of electrical contact blades to the support structure so that all the electrical contact blades are made independent and electrically isolated from each other.
  • this method makes it possible to manufacture and mount with simplicity small electrical contact blades. Indeed, when positioning and fixing the electrical contact blades, the latter are still linked together by the support structure. This support structure can thus be manipulated with the electric contact blades with greater ease. On the other hand, the accuracy of the relative positioning of the various blades of electrical contact is ensured by the fact that the contact blades are still bonded together during the fixing step.
  • the above-mentioned method is implemented particularly for the production of a multifunction crown-pin of a timepiece.
  • the stamping and preforming step includes the preparation of a first set of electrical contact blades for the detection of rotations of the crown rod and a second set of electrical contact blades for the detection of axial positions of the stem-crown.
  • the stem-crown comprises an electrically insulated end for actuating the electrical contact blades, this end comprising a first part with a non-constant radius forming a cam for the actuation of the first set of electric contact blades and a second part comprising several portions. cylindrical of different diameters for the actuation of the second set of electric contact blades.
  • the first set of electrical contact blades advantageously comprises first and second electrical contact blades placed on either side of the crown rod, the flexible extensions of the first and second contact blades. electrical being oriented substantially perpendicular to the axis of the crown rod and offset axially relative to the stem-crown so as to translate the rotations of the stem-crown in the form of electrical signals.
  • the second set of electrical contact blades advantageously comprises first and second electrical contact blades placed on either side of the stem-crown, the flexible extensions of the first and second electrical contact blades being oriented substantially parallel to the axis of the crown rod and offset axially relative to the stem-crown so as to translate the axial positions of the stem-crown in the form of electrical signals.
  • the figures illustrate an example of a particular embodiment of the invention for the production of a multifunctional crown rod of a timepiece or other similar electromechanical or electronic device.
  • the invention can however be implemented in the context of the manufacture and assembly of electrical contacts for other types of control members, such as pushbuttons or bodies similar operating one or more electrical contacts to translate the movement or the position of the control member.
  • the control member could be of a type similar to a two-axis joystick. It should therefore be noted that the invention is not limited to the sole embodiment of multifunctional crown rods as described below.
  • a particularly interesting application of the invention is the production of control members for timepieces, the invention could be applied in other fields, such as the manufacture of control organs for instruments portable electronic devices (PDAs, cell phones, etc.).
  • the figure 1 a is a plan view showing an overview of a multifunction crown rod.
  • multifunctional stem-crown is meant here a control member comprising a rod (designated by reference numeral 1 in the figures) that can be manipulated by the user through a ring (designated by the reference numeral 10 in the figure 1a ) integral with the rod 1 and whose direction of rotation and / or the axial positions are translated into electrical signals through a plurality of electrical contacts actuated by the rod 1.
  • These electrical contacts are disposed and arranged in the form of a compact module generally designated by the reference numeral 2 placed at the end of the rod 1 located opposite the ring 10.
  • the rod 1 further comprises an annular groove 3 intended to receive an O-ring (not shown) provided for sealing between the rod 1 and the box (not shown) through which the rod 1 penetrates.
  • the rod 1 is capable of occupying four distinct axial positions, namely a neutral position, two stable positions called “pulled” and an unstable position called “push”, and can also undergo rotations in the clockwise and counter-clockwise.
  • the rod 1 is illustrated in its extreme drawn position.
  • the four axial positions and the direction of rotation of the rod 1 are translated into electrical signals through two sets of independent electrical contacts.
  • the first set of electrical contacts comprises in particular two electric contact blades 21, 22 to translate the direction of rotation of the rod 1, each electrical contact blade 21, 22 delivering an electrical signal composed of an alternation of binary logic levels (states "activated” or “deactivated") making it possible to distinguish between the two directions of rotation of the rod 1.
  • the second set of electrical contacts comprises in particular two electric contact blades 23, 24 to translate the four axial positions of the rod 1 , each electrical contact blade 23, 24 delivering a binary logic type electrical signal which is a function of the axial position of the rod.
  • the end of the rod 1 and the electrical contact blades 21 to 24 are covered by a cover 7 made of an electrically insulating material (a part advantageously made by molding a plastic) and which is secured to a support plate generally designated by the reference numeral 4.
  • the upper face 7a of the cover 7 comprises a recess 70 of particular shape forming a housing for an open spring element 9.
  • This spring element 9 has a particular bent shape, known from the prior art, adapted to maintain the rod 1 in its three stable axial positions.
  • This spring 9 is conventionally arranged to cooperate with three adjacent annular grooves formed on the body of the rod 1 and separated by beads. These annular grooves and beads are not referenced but appear clearly on the figure 1 b.
  • the spring 9 thus comprises two free ends 9a, 9b (oriented substantially perpendicular to the plane of the illustrations of the figures 1 a and 1b) which extend inside the module 2, on either side of the rod 1. During an axial displacement of the rod 1, the free ends 9a and 9b of the spring 9 are spread by sliding on the beads before closing on one of the annular grooves of the rod 1.
  • the aforementioned support plate 4 here consists of two parts superimposed.
  • a first lower part (or base plate) 5 is made of an electrically conductive material and is intended to be brought to a specific electrical potential, for example the electric potential forming the mass of an electronic module with which the control member must cooperate.
  • a second upper portion 6 is made of an electrically insulating material and is interposed between the base plate 5 and the various electrical contact blades 21 to 24 mentioned above.
  • the support plate 4 can be considered as a support part electrically insulated from the electrical contact blades 21 to 24.
  • This support part 4 can obviously take various forms.
  • figure 1b makes it possible to better highlight the particular shape and configuration of the electric contact blades 21 to 24.
  • figure 1b , the cover 7 and the spring 9 have not been shown to discover the four electrical contact blades 21 to 24.
  • the free ends 9a, 9b of the spring are however shown in section to illustrate their arrangement relative to the annular grooves of the stem 1.
  • each of the electrical contact blades 21 to 24 are interposed between the support plate 4, on the one hand, and the cover 7, on the other hand.
  • each of the electrical contact blades comprises a base part (designated by the reference numeral of the concerned blade followed by the index a) sandwiched between the support plate 4 and the cover 7.
  • Each of the electric contact blades 21 to 24 further comprises a first flexible extension (designated by the numerical reference of the concerned blade followed by the index b) connected to the base of the blade and which is able to move freely to the Inside the cover 7 under the action of the rod 1.
  • This first flexible extension of each electrical contact blade forms strictly speaking the movable part of each of the four electrical contacts.
  • each of the electric contact blades 21 to 24 further comprises an additional extension (designated by the numerical reference of the concerned blade followed by the index c) which is accessible from the outside of the cover 7.
  • Each of these additional extensions 21c to 24c form, strictly speaking, the output terminal of each of the four electrical contacts, c that is to say a terminal on which is delivered an electrical signal representative of the state (closed / open) of the corresponding electrical contact.
  • These additional extensions 21c to 24c may advantageously have a terminal "U" shape (apparent in particular in the figures 2 and 3b ) in order to be inserted into corresponding metallized holes in a printed circuit board (not shown) to which the control member is to be electrically connected.
  • the electric contact blades 21 to 24 still have, in this example, terminations 21d, 22d, 23d, 24d, respectively, opening at the periphery of the cover 7.
  • These terminations 21d to 24d have no real utility from the point of view of the electrical operation of the four contacts. As will be seen below, these terminations are the result of the implementation of the method of manufacturing and mounting the electrical contacts according to the invention.
  • the flexible extensions 21b to 24b of the electrical contact blades 21 to 24 are each arranged to be brought into contact with the base plate 5 under the action of the rod 1 so that to establish an electrical connection with this base plate 5.
  • the base plate is brought to a specific electrical potential, for example an electric potential forming a mass.
  • the electric potential of this base plate 5 is then brought to the corresponding contact blade and this state can be detected on the terminal of output 21d, 22d, 23d, 24d of the corresponding electrical contact.
  • the at least one end of the rod 1 which cooperates with the four electric contact blades 21 to 24 is electrically isolated, here by an insulating sheath 30, the body of the rod 1 being thus not in direct electrical contact of the blades 21 to 24.
  • This insulating sheath 30 comprises a first portion 31 with a non-constant radius forming a cam (for example a portion of rectangular or elliptical section) for the actuation of the first set of electrical contact blades 21 , 22 and a second portion 32 essentially comprising two cylindrical portions 32a, 32b of different diameters for actuating the second set of electric contact blades 23, 24.
  • the first 21 and second 22 electrical contact blades of the first set are placed on either side of the rod 1, the flexible extensions 21b, 22b of these contact blades 21, 22 being oriented substantially perpendicular to the axis of the rod 1 and axially offset relative to the rod 1 so as to translate the rotations of the rod 1 in the form of electrical signals.
  • the extensions 21b, 22b are oriented in opposite directions.
  • the extensions 21b, 22b are also bent at a point designated by the reference numeral 210, resp. 220, (see in particular figures 2 and 3b ) so as to be directed out of the plane where the blades are supported, towards the axis of the rod 1 (the rod 1 resting at a distance above the electric contact blades).
  • the support plate 4 is devoid of insulation, an opening 61 being formed at this point in the insulating layer 6 to expose a portion of the base plate 5. It will also be noted that two through orifices 41, 42 are formed. in the support plate 4 (through the base plate 5 and the insulating layer 6) where are formed the ends 21c, 21d and 22c, 22d of the blades 21, 22.
  • the cam portion 31 of the sheath 30 successively actuates the two flexible extensions 21b, 22b of the contact blades 21, 22, causing a slight downward movement of the points 210, 220 where the flexible extensions 21b, 22b are bent.
  • These points 210, 220 are then brought into contact with the base plate 5 through the opening 61 formed in the insulating layer 6.
  • two bosses 51, 52 are arranged opposite the points 210, 220 where the extensions 21 b, 22b are bent (these bosses 51, 52 are indicated in broken lines in the Figure 1 (b) .
  • the first 23 and second 24 electrical contact blades of the second set are also placed on either side of the rod 1, this time in the vicinity of the end of the rod 1 and the portion 32 of the sheath 30.
  • the flexible extensions 23b, 24b of these blades 23, 24 are oriented substantially parallel to the axis of the rod 1 and again shifted axially with respect to this rod 1 so as to translate the axial positions of the rod 1 in the form of electrical signals.
  • a portion of each flexible extension 23b, 24b is arranged to cooperate with the end 32 of the sheath 30 placed on the rod, while another adjacent portion of each flexible extension 23b, 24b is arranged to cooperate with a contact pad 53, resp.
  • the support plate 4 is again provided with a through hole 43 in which the extensions 23c, 23d, 24c and 24d open out of the blades 23, 24.
  • the contact pads 53, 54 are here made under the form of extensions of the base plate 5 folded through the orifice 43 in the direction of the rod 1. These contact pads 53, 54 are also visible in the figures 3d to 3f .
  • the flexible extensions 23b, 24b are configured and prestressed to come into contact laterally with the contact pads 53, 54 as illustrated in FIG. figure 1b .
  • This contact is maintained as the rod 1 is not brought into a position where its end exerts an action to move the corresponding blade.
  • the two blades 23, 24 are in contact with the contact pads 53, 54.
  • the intermediate stable axial position intermediate pulled position
  • the blade 23 is spaced from the contact pad 53
  • the last stable axial position neutral position
  • the two blades 23, 24 are spaced apart from the contact pads 53, 54.
  • the blade 23 temporarily returns to contact of the stud 53 to be again spaced after return to the neutral position, this return being provided by the return force of the spring 9.
  • the proposed method proceeds as follows. This process first starts with the stamping and preforming of a plate of an electrically conductive material to form an intermediate base plate comprising a support structure and a plurality of electrical contact blades still mechanically linked to the structure. support by a plurality of attachment points (cf. figure 2 ), each electrical contact blade comprising a base and a flexible extension connected to the base to form the movable portion of an electrical contact operable by the control member. Then follow a positioning step (cf. figures 3a and 3b ) of the intermediate base plate on a first electrically insulated support part of the contact blades, a fixing step (cf.
  • Figures 3c , 3d and 3rd on the first support part of a second electrically isolated support part of the contact blades so that each of the electrical contact blades is held between the first and second support parts by its base, and finally a breaking step ( cf. figure 3f ) of the plurality of attachment points connecting the plurality of electrical contact blades to the support structure such that all electrical contact blades are made independent and electrically isolated from each other.
  • the first stamping and preforming step is preferably performed to produce a strip comprising a plurality of identical sets of electric contact blades.
  • the figure 2 shows in fact a strip 200 of electrically conductive material (for example a metal of the steel or copper type) comprising several identical sets of blades 21 to 24 for producing the electrical contacts of the aforementioned multifunctional crown rod (several similar games are thus made on the strip 200, only two being illustrated in the figure 2 ).
  • This band 200 is obtained according to conventional stamping methods.
  • Several orifices 250 are provided on the strip 200 to allow its handling and / or positioning.
  • each of the electric contact blades 21 to 24 is mechanically bonded to a support structure 25 to form the strip 200, the extensions 21d to 24d above forming points of attachment between the strips 21 to 24 and the support structure 25.
  • the figure 3a shows a perspective view of the hood 7 already mentioned, this figure 3a showing in this view, the opening 7c through which the rod 1 is housed once mounted, and several mounting posts 75, 76, 77.
  • the four tenons 75 are intended to allow the fixing of the cover 7 on the support plate 4 through mounting holes 45 as will be seen hereinafter, while the pins 76, 77 are intended to ensure proper positioning of the cover 7 on the support plate 4.
  • the cover 7 also advantageously comprises a set of indentations 71 to 74 corresponding to the general shape of the bases 21a to 24a of the four electrical contact blades 21 to 24. These indentations promote a good resistance of the various blades to mounted state.
  • openings (not referenced) are also provided to allow the passage of the flexible extensions 21b to 24b of the electrical contact blades 21 to 24 inside the cover 7. It should be noted that the impressions could be made in one or the other of the support pieces.
  • the figure 3b shows a next step of the method where the strip 25 comprising the blades 21 to 24 is positioned on the cover 7. It can thus see the bases 21b to 24b of the blades embedded in the recesses 71 to 74 corresponding.
  • the insulating layer 6 and the base plate 5 are then positioned on the strip to form the plate support 4 ( Figures 3c and 3d ).
  • the tenons 75, 76, 77 of the cover 7 are housed in the mounting holes 45, 46, 47 corresponding and that the openings 41, 42, 43 formed in the support plate 4 allow access to the attachment points 21 d to 24d of the electrical contact blades 21 to 24.
  • the ends 75 of the tenons are then plastically deformed to make the cover 7 and the support plate 4 integral and maintain the various contact blades 21 to 24.
  • the cover 7 could be made integral with the support plate 4 by means of other means (eg welding, gluing, clipping, screwing, etc.).
  • the electrical contact blades 21 to 24 can then be separated from the support structure 25 to be made independent and electrically insulated from each other.
  • this is advantageously achieved by using a tool (not shown) to break the various points of attachment 21 d to 24d of the blades through the orifices 41, 42 and 43 provided to facilitate this operation.
  • the section of the contact blades can be reduced locally to promote the cutting of the blade along a predetermined line.
  • the various electrical contacts of the control member are thus made. It remains only to mount the control member itself (in this case, the rod 1 provided with its ring 10 and the spring 9 of axial positioning of the rod 1) and to make the electrical connections between the output terminals of the electrical contacts and the appropriate electronic module.
  • the rod 1 and the ring 10 are typically mounted at an ultimate stage of manufacture, in this case after mounting the movement of the timepiece and insertion into its box .
  • the invention is not limited to the production of electrical contacts for multifunctional rod-rings but can be applied by analogy to the realization of any electrical contact for a small-sized control member, for example for pushbuttons or control devices of the type similar to joysticks. It will further be understood that the method could be exploited to simultaneously manufacture and assemble the electrical contact (s) of a plurality of control members.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Electric Clocks (AREA)
  • Manufacture Of Switches (AREA)
  • Manufacturing Of Electrical Connectors (AREA)

Claims (10)

  1. Verfahren für die Herstellung und die Montage elektrischer Kontakte für Steuerorgane mit kleinen Abmessungen, insbesondere für Steuerorgane, die bei Uhren verwendet werden, das die folgenden Schritte umfasst:
    a) Pressen und Vorformen einer Platte aus einem elektrisch leitenden Material, um eine Zwischenbasisplatte (200) zu formen, die eine Tragstruktur (25) und mehrere Plättchen (21 bis 24) für elektrischen Kontakt, die noch durch mehrere Befestigungspunkte (21d bis 24d) mit der Tragstruktur (25) mechanisch verbunden sind, aufweist, wobei jedes elektrische Kontaktplättchen eine Basis (21a bis 24a) und eine biegsame Verlängerung (21 b bis 24b), die mit der Basis verbunden ist, um den beweglichen Teil eines durch ein Steuerorgan (1, 10) betätigbaren elektrischen Kontakts zu bilden, aufweist;
    b) Positionieren der Zwischenbasisplatte (200) auf einem ersten Unterstützungsteil (7), das von den elektrischen Kontaktplättchen (21 bis 24) elektrisch isoliert ist;
    c) Befestigen eines zweiten Unterstützungsteils (4), das von den elektrischen Kontaktplättchen (21 bis 24) elektrisch isoliert ist, an dem ersten Unterstützungsteil (7), derart, dass jedes der elektrischen Kontaktplättchen (21 bis 24) zwischen dem ersten Unterstützungsteil (7) und dem zweiten Unterstützungsteil (4) durch seine Basis (21a bis 24a) gehalten wird; und
    d) Zerbrechen der mehreren Befestigungspunkte (21d bis 24d), die die mehreren elektrischen Kontaktplättchen (21 bis 24) mit der Tragstruktur (25) verbinden, derart, dass alle elektrischen Kontaktplättchen (21 bis 24) voneinander unabhängig und elektrisch isoliert gemacht werden.
  2. Verfahren nach Anspruch 1, dadurch gekennzeichnet, dass das erste oder das zweite Unterstützungsteil (7, 4) Öffnungen (41, 42, 43) aufweist, die ausgebildet sind, um das Zerbrechen der mehreren Befestigungspunkte (21d bis 24d) zu erleichtern.
  3. Verfahren nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass der Schritt des Befestigens des zweiten Unterstützungsteils (4) am ersten Unterstützungsteil (7) insbesondere ein Verschweißen, Verkleben, Einrasten, Verschrauben oder Vernieten des ersten und des zweiten Unterstützungsteils umfasst.
  4. Verfahren nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass das zweite Unterstützungsteil (4) eine Basis (5) aufweist, die aus einem elektrisch leitenden Material verwirklicht ist und mit einem Isoliermaterial (6) abgedeckt ist, wobei die Basis (5) dazu vorgesehen ist, auf ein bestimmtes elektrisches Potential gebracht zu werden, um die Rolle einer gemeinsamen Kontaktzone für jedes der elektrischen Kontaktplättchen (21 bis 24) zu spielen, und mit der jede der biegsamen Verlängerungen (21 b bis 24b) der elektrischen Kontaktplättchen in Kontakt gebracht werden kann, um eine elektrische Verbindung herzustellen, wobei jedes der elektrischen Kontaktplättchen (21 bis 24) außerdem eine zusätzliche Verlängerung (21 c bis 24c) aufweist, die für jeden elektrischen Kontakt einen Ausgangsanschluss bildet.
  5. Verfahren nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass das erste oder das zweite Unterstützungsteil (7, 4) mehrere Vertiefungen (71 bis 74) aufweist, in die die Basen (21a bis 24a) der elektrischen Kontaktplättchen (21 bis 24) im Befestigungsschritt versenkt werden.
  6. Verfahren nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass der Querschnitt der elektrischen Kontaktplättchen (21 bis 24) auf Höhe der Befestigungspunkte (21d bis 24d) lokal verringert ist, um das Durchschneiden der elektrischen Kontaktplättchen (21 bis 24) im Unterbrechungsschritt zu erleichtern.
  7. Verfahren nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass der Präge- und Vorformungsschritt die Vorbereitung eines Bandes (200) umfasst, das mehrere völlig gleiche Sätze elektrischer Kontaktplättchen (21 bis 24) aufweist.
  8. Verfahren nach einem der vorhergehenden Ansprüche für die Verwirklichung eines multifunktionalen Kronenstifts (1, 10) eines Zeitmessgeräts, dadurch gekennzeichnet, dass der Press- und Vorformungsschritt das Vorbereiten eines ersten Satzes elektrischer Kontaktplättchen (21, 22) für die Detektion von Drehungen des Kronenstifts und einen zweiten Satz elektrischer Kontaktplättchen (23, 24) für die Detektion axialer Positionen des Kronenstifts umfasst.
  9. Verfahren nach Anspruch 8, dadurch gekennzeichnet, dass der Kronenstift (1, 10) ein elektrisch isoliertes Ende (30) aufweist, um die elektrischen Kontaktplättchen (21 bis 24) zu betätigen, wobei das Ende (30) einen ersten Teil (31) mit nicht konstantem Radius, der einen Nocken für die Betätigung des ersten Satzes elektrischer Kontaktplättchen (21, 22) bildet, und einen zweiten Teil (32), der mehrere zylindrische Abschnitte (32a, 32b) mit unterschiedlichen Durchmessern für die Betätigung des zweiten Satzes elektrischer Kontaktplättchen (23, 24) umfasst.
  10. Verfahren nach Anspruch 9, dadurch gekennzeichnet, dass der erste Satz elektrischer Kontaktplättchen ein erstes elektrisches Kontaktplättchen (21) und ein zweites elektrisches Kontaktplättchen (22) beiderseits des Kronenstifts (1, 10) aufweist, wobei die biegsamen Verlängerungen (21 b, 22b) des ersten und des zweiten elektrischen Kontaktplättchens (21, 22) im Wesentlichen senkrecht zur Achse des Kronenstifts orientiert und in Bezug auf den Kronenstift axial versetzt sind, derart, dass die Drehungen des Kronenstifts in die Form elektrischer Signale überführt werden können, und
    dass der zweite Satz elektrischer Kontaktplättchen ein drittes elektrisches Kontaktplättchen (23) und ein viertes elektrisches Kontaktplättchen (24), die beiderseits des Kronenstifts (1, 10) angeordnet sind, umfasst, wobei die flexiblen Verlängerungen (23b, 24b) des dritten und des vierten elektrischen Kontaktplättchens (23, 24) im Wesentlichen parallel zur Achse des Kronenstifts orientiert und in Bezug auf den Kronenstift axial versetzt sind, um die axialen Positionen des Kronenstifts in die Form elektrischer Signale überführen zu können.
EP03020320A 2003-09-09 2003-09-09 Verfahren zur Produktion und zur Montage von elektrischen Kontakten für kleine Schalter, die insbesondere in Uhrmacherei benutzt werden Expired - Lifetime EP1515203B1 (de)

Priority Applications (9)

Application Number Priority Date Filing Date Title
EP03020320A EP1515203B1 (de) 2003-09-09 2003-09-09 Verfahren zur Produktion und zur Montage von elektrischen Kontakten für kleine Schalter, die insbesondere in Uhrmacherei benutzt werden
DE60332728T DE60332728D1 (de) 2003-09-09 2003-09-09 Verfahren zur Produktion und zur Montage von elektrischen Kontakten für kleine Schalter, die insbesondere in Uhrmacherei benutzt werden
US10/923,791 US7302758B2 (en) 2003-09-09 2004-08-24 Manufacturing and mounting method of electrical contacts for control members of small dimensions, in particular for the horological field
TW093125592A TWI372951B (en) 2003-09-09 2004-08-26 Manufacturing and mounting method of electrical contacts for control members of small dimensions, in particular for the horological field
SG200405612A SG110191A1 (en) 2003-09-09 2004-08-30 Manufacture and mounting method of electrical contacts for control members of small dimensions, in particular for the horological field
KR1020040069760A KR100998403B1 (ko) 2003-09-09 2004-09-02 시계분야의 작은 크기의 제어부재를 위한 전기 접점의제조 및 부착 방법
CN2004100791108A CN1595573B (zh) 2003-09-09 2004-09-08 钟表领域的小尺寸控制件的电接触件的制造和安装方法
JP2004262042A JP4575091B2 (ja) 2003-09-09 2004-09-09 小さい寸法の制御部材、特に時計分野のための制御部材用電気接点の製造と取り付け方法
HK05107427.3A HK1075129A1 (en) 2003-09-09 2005-08-24 Manufacturing and mounting method of electrical contacts for control members of small dimensions for the horological field

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP03020320A EP1515203B1 (de) 2003-09-09 2003-09-09 Verfahren zur Produktion und zur Montage von elektrischen Kontakten für kleine Schalter, die insbesondere in Uhrmacherei benutzt werden

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EP1515203A1 EP1515203A1 (de) 2005-03-16
EP1515203B1 true EP1515203B1 (de) 2010-05-26

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EP (1) EP1515203B1 (de)
JP (1) JP4575091B2 (de)
KR (1) KR100998403B1 (de)
CN (1) CN1595573B (de)
DE (1) DE60332728D1 (de)
HK (1) HK1075129A1 (de)
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TW (1) TWI372951B (de)

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EP2072008A3 (de) * 2007-12-19 2013-04-17 Beppo Hilfiker Vorrichtung zur Bedienung eines elektronischen Multifunktionsgerätes
US8710958B2 (en) * 2008-07-10 2014-04-29 Abbott Laboratories Containers having radio frequency identification tags and method of applying radio frequency identification tags to containers
FI124328B (fi) * 2008-12-31 2014-06-30 Suunto Oy Kaksitoiminen säätöelin rannetietokoneelle tai vastaavalle ja menetelmä rannetietokoneen tai vastaavan päätelaitteen säätämiseksi
EP2605087B1 (de) * 2011-12-13 2017-07-26 ETA SA Manufacture Horlogère Suisse Uhrmoduleinheit mit funktionellen Modulen
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CN110706956B (zh) * 2019-11-04 2021-09-14 深圳市港源微键技术有限公司 一种轻触开关底座及其制作方法

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SG110191A1 (en) 2005-04-28
TW200512551A (en) 2005-04-01
US7302758B2 (en) 2007-12-04
KR100998403B1 (ko) 2010-12-03
US20050050718A1 (en) 2005-03-10
TWI372951B (en) 2012-09-21
CN1595573A (zh) 2005-03-16
CN1595573B (zh) 2010-06-09
KR20050026336A (ko) 2005-03-15
DE60332728D1 (de) 2010-07-08
EP1515203A1 (de) 2005-03-16
HK1075129A1 (en) 2005-12-02
JP2005084052A (ja) 2005-03-31
JP4575091B2 (ja) 2010-11-04

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