EP0703512A2 - Montre, en particulier montre bracelet, avec touche pour fermer un contact électrique - Google Patents

Montre, en particulier montre bracelet, avec touche pour fermer un contact électrique Download PDF

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Publication number
EP0703512A2
EP0703512A2 EP95114782A EP95114782A EP0703512A2 EP 0703512 A2 EP0703512 A2 EP 0703512A2 EP 95114782 A EP95114782 A EP 95114782A EP 95114782 A EP95114782 A EP 95114782A EP 0703512 A2 EP0703512 A2 EP 0703512A2
Authority
EP
European Patent Office
Prior art keywords
housing
knobs
ring
clock according
watch
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.)
Granted
Application number
EP95114782A
Other languages
German (de)
English (en)
Other versions
EP0703512A3 (fr
EP0703512B1 (fr
Inventor
Inge Ganter-Kaufmann
Pieter Kuschel
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.)
Junghans Uhren GmbH
Original Assignee
Junghans Uhren GmbH
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 Junghans Uhren GmbH filed Critical Junghans Uhren GmbH
Publication of EP0703512A2 publication Critical patent/EP0703512A2/fr
Publication of EP0703512A3 publication Critical patent/EP0703512A3/fr
Application granted granted Critical
Publication of EP0703512B1 publication Critical patent/EP0703512B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • 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
    • 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
    • G04B37/0008—Cases for pocket watches and wrist watches
    • 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
    • G04B37/22—Materials or processes of manufacturing pocket watch or wrist watch cases
    • G04B37/225—Non-metallic cases

Definitions

  • the invention relates to a watch according to the preamble of claim 1.
  • Such a watch in which at least one pushbutton switch is provided in the form of an externally actuatable plunger for internally influencing a contact path, is known, for example, from US Pat. No. 4,122,664.
  • a rod-shaped plunger protrudes through the side wall of the watch case transversely to its axis in order to elastically bend a contact spring up to the system against a mating contact and thus to be able to place the mating contact at reference potential.
  • Several such contact springs are cut free in the wall of a hollow cylindrical ring which surrounds the movement and which bears with an additional contact arm on a pole of the battery held behind the movement.
  • a disadvantage of such a switch design is that the actuation of various push-button plungers which are offset peripherally around the cylindrical wall of the watch case always causes the same potential connection at the individual mating contacts, which does not open up a great deal of freedom in terms of circuitry.
  • it is disadvantageous in terms of design and production technology in the case of a push-button plunger that protrudes through the wall that, in practice (contrary to the simplified representation of the principle of the publication), it requires a large number of parts for the spring-elastic mounting and for sealing when installed in the watch case.
  • the invention is therefore based on the technical problem of creating a watch of the generic type, which Characterized above all by lower production costs despite the hermetic sealing of the pushbutton switch and also opens up more versatile circuitry functions in connection with the pushbutton confirmation.
  • the watch case in particular the approximately ring-shaped case of a wrist watch, is no longer broken through to accommodate a continuous push-button plunger. Rather, a double knob is held as a plunger in the interior of the housing between the contact spring and a membrane-shaped taper or plug formation in the housing wall. This locally defined deformation area can be pressed in manually against the plunger knobs and thus against the contact spring assigned to it under elastic pressure.
  • the plunger knobs which engage in radial wall recesses from the inner circumferential surface of a housing opening, for. B. on bending tabs of a separately blown-in function ring on the housing base or in the housing itself.
  • each of the membranes or actuating plugs is subsequently sprayed onto the profiled edge of through openings in the housing wall which were originally saved during spraying, for intimate material connection; or membranes are already created as spray skins in plastic injection molding of the housing wall profiled with the inner recesses.
  • the tappet knobs are pressed against the associated membrane or the like actuating element by the functional or mounting ring or by the bending tabs.
  • the respective contact spring for its part, can bear against the plunger knobs under spring-elastic pretension, but is held at a greater distance from the knobs without tension to avoid the risk of permanent breakage due to constant mechanical alternating stress.
  • the contact springs and their counter contacts are individually attached to the factory and connected to circuit parts there, depending on the circuit Execution via the mechanically closable contact path z.
  • a reference potential or a circuit part (such as a voltage or a frequency divider) can be bridged.
  • the wristwatch 11 shown in FIG. 1 has a substantially annular housing 12 which, for. B. is made in plastic injection molding. Its central-axial through opening 13 is closed on the visible side (in the drawing below) by a watch glass 14 which can be blown into the housing 12 or welded in.
  • a watch glass 14 which can be blown into the housing 12 or welded in.
  • Recesses 16 protrude into the essentially hollow cylindrical inner lateral surface 15 of the housing opening 13, which locally leads to a corresponding weakening of the wall of the housing 12. As a result, this respective area 17 defined deformed, namely (z. B. radially with respect to the housing 12) are pressed.
  • the recesses 16 can also practically traverse the wall of the housing 12 and can only be hermetically but deformably closed by a film-shaped membrane 18 or a stopper.
  • a membrane 18 may be sprayed on separately, or may have already stopped as a spray skin when the housing 12 was cast. It adapts geometrically to the outer contour of the housing, but is expediently set off in color from the surrounding housing 12 as a deformation region 17 like a separately molded plug.
  • knobs 19 ′ protrude radially outward to the inner bearing against the membranes 18 into the recesses 16.
  • These knobs 19 ' are movably attached to a holder 20, which in the example of FIG. 1 is a ring 21 which is elastically deformable in the direction of curvature and which is interrupted as a snap ring and clamped in the inner surface 15 of the housing 12.
  • a peripherally wave-like expansion region 22 is expediently formed so that the radial actuation movement can be received peripherally by the holder 20.
  • the movement 24, which is preferably a radio-controlled clockwork mechanism with an integrated antenna according to DE-GM 93 15 669, plunges into the interior 23 of the housing 12.
  • the dial 25 and hands 26 are already mounted on the movement 24.
  • the housing 12 thus equipped with the movement 24 is closed by the base 27, which has been blown in or screwed on like a bayonet, as shown, with a built-in or inserted battery.
  • the actuation path of the knobs 19'-19 is expediently mechanically limited in order to avoid overloads to avoid.
  • stops 34 can protrude from the housing 27 towards the axis 27, for example from the base 27 or, as shown in FIG.
  • a contact spring 28 is mounted locally on the work 24, the respective housing deformation area 17, which projects (with respect to the housing ring) radially without bias in front of the locally assigned plunger knobs 19 .
  • the membrane 18 which is injected in the form of a stopper, it is pressed by this knob 19 onto a counter-contact 29 which is likewise held at the work 24.
  • a contact path 30 is closed and an electrical function is triggered in the plant 24, such as, for example, switching a display or advancing a display element.
  • the function of the retaining ring for the plunger knobs 19-19 ' is relocated to the testicles 27 in order to save a component which is to be assembled separately (namely the ring 21 according to FIG. 1).
  • bending tabs 32 projecting essentially parallel to the clock axis 31 and thus transversely to the bottom surface are again provided, which are molded onto a plastic base 27 (or onto the housing 12).
  • the bending tabs 32 When the bottom 27 is placed on the housing 12, the bending tabs 32 are immersed in slots 33 a, which run approximately parallel to the axis 31 into the housing 12. These slots 33 are widened by central recesses 16, 16 'and opened towards the inside of the housing 12, so that a short cross-shaped cross-sectional geometry of the slots 33 results overall.
  • the knobs 19-19 ' are guided in the recesses 16, 16', which are also axially parallel. Protruding radially to the central housing opening 13 are again against the inner knobs 19 (according to FIG. 2) locally assigned spiral springs 28 without pressure.
  • the bending tab 32 is pivoted via the outer knob 19 ′ and the inner knob 19 is thereby pressed against the contact spring 28 to bridge the contact path 30.
  • the actuation path that is to say the resilient bending of the knob tab 32, is limited by the radial dimension of the slot 33, which is somewhat larger than the thickness of the bending tab 32 and thus serves as a stop 34.
  • the orientation of the plunger knobs 19-19 ' which can be moved mechanically by exerting pressure on the membrane 18 need not be transverse to the axis 31 of the watch case; instead of on the side wall as described in the exemplary embodiments, the deformation region 17 can also be formed instead or additionally on an end wall, preferably on the visible end wall of the housing 12 next to the watch glass 14.

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Electric Clocks (AREA)
  • Push-Button Switches (AREA)
EP95114782A 1994-09-23 1995-09-20 Montre bracelet avec touche pour fermer un contact électrique Expired - Lifetime EP0703512B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE9415401U 1994-09-23
DE9415401U DE9415401U1 (de) 1994-09-23 1994-09-23 Uhr, insbesondere Armbanduhr, mit Tastschalter zur Betätigung einer elektrischen Kontaktstrecke

Publications (3)

Publication Number Publication Date
EP0703512A2 true EP0703512A2 (fr) 1996-03-27
EP0703512A3 EP0703512A3 (fr) 1997-01-15
EP0703512B1 EP0703512B1 (fr) 1999-12-01

Family

ID=6914047

Family Applications (1)

Application Number Title Priority Date Filing Date
EP95114782A Expired - Lifetime EP0703512B1 (fr) 1994-09-23 1995-09-20 Montre bracelet avec touche pour fermer un contact électrique

Country Status (3)

Country Link
EP (1) EP0703512B1 (fr)
AT (1) ATE187262T1 (fr)
DE (2) DE9415401U1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0845718A1 (fr) 1996-12-02 1998-06-03 Eta SA Fabriques d'Ebauches Dispositif d'interrupteur électrique sur un circuit imprimé, et montre comportant un tel dispositif
WO2022089794A1 (fr) 2020-11-02 2022-05-05 Cartier International Ag Montre bracelet comprenant un bracelet mobile
WO2022089793A1 (fr) 2020-11-02 2022-05-05 Cartier International Ag Boite de montre deformable

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2748828B1 (fr) * 1996-05-17 1998-07-10 Smh Management Services Ag Ensemble comprenant une boite de montre en plastique dur et au moins un poussoir, et procede de fabrication d'un tel ensemble
EP3958067A1 (fr) * 2020-08-17 2022-02-23 The Swatch Group Research and Development Ltd Dispositif de fixation d'un fond sur une carrure pour piece d'horlogerie

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4122664A (en) 1976-03-25 1978-10-31 Ebauches Electroniques S.A. Electronic watch

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4053688A (en) * 1975-12-08 1977-10-11 Perkins Carroll R Battery holder
US4051665A (en) * 1976-01-14 1977-10-04 Hayden/Arn Productions Limited Operating switch and retainer for digital watch cases
US4178751A (en) * 1977-03-09 1979-12-18 Liautaud James P Integrally molded watch casing and band

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4122664A (en) 1976-03-25 1978-10-31 Ebauches Electroniques S.A. Electronic watch

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0845718A1 (fr) 1996-12-02 1998-06-03 Eta SA Fabriques d'Ebauches Dispositif d'interrupteur électrique sur un circuit imprimé, et montre comportant un tel dispositif
WO2022089794A1 (fr) 2020-11-02 2022-05-05 Cartier International Ag Montre bracelet comprenant un bracelet mobile
WO2022089793A1 (fr) 2020-11-02 2022-05-05 Cartier International Ag Boite de montre deformable

Also Published As

Publication number Publication date
ATE187262T1 (de) 1999-12-15
EP0703512A3 (fr) 1997-01-15
EP0703512B1 (fr) 1999-12-01
DE9415401U1 (de) 1996-01-25
DE59507321D1 (de) 2000-01-05

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