EP0418936B1 - Befestigungssystem für eine Schwenktaste und dieses System verwendendes Gerät - Google Patents

Befestigungssystem für eine Schwenktaste und dieses System verwendendes Gerät Download PDF

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Publication number
EP0418936B1
EP0418936B1 EP90201929A EP90201929A EP0418936B1 EP 0418936 B1 EP0418936 B1 EP 0418936B1 EP 90201929 A EP90201929 A EP 90201929A EP 90201929 A EP90201929 A EP 90201929A EP 0418936 B1 EP0418936 B1 EP 0418936B1
Authority
EP
European Patent Office
Prior art keywords
button
support
strips
pressing
key
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
EP90201929A
Other languages
English (en)
French (fr)
Other versions
EP0418936A1 (de
Inventor
Pierre Societe Civile S.P.I.D. Guilleminot
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.)
Philips Electronique Gran Public
Koninklijke Philips NV
Original Assignee
Philips Electronique Gran Public
Koninklijke Philips Electronics NV
Philips Electronics NV
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 Philips Electronique Gran Public, Koninklijke Philips Electronics NV, Philips Electronics NV filed Critical Philips Electronique Gran Public
Publication of EP0418936A1 publication Critical patent/EP0418936A1/de
Application granted granted Critical
Publication of EP0418936B1 publication Critical patent/EP0418936B1/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
    • H01H21/00—Switches operated by an operating part in the form of a pivotable member acted upon directly by a solid body, e.g. by a hand
    • H01H21/02—Details
    • H01H21/18—Movable parts; Contacts mounted thereon
    • H01H21/22—Operating parts, e.g. handle
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2221/00—Actuators
    • H01H2221/036—Return force
    • H01H2221/044—Elastic part on actuator or casing

Definitions

  • the present invention relates to a system for fixing a control key on a support according to the preamble of claim 1.
  • a key is substantially planar, with a rest position and at least one control position, comprising means positioning to position the key on the support, and two strips located in the same plane, perpendicular to the plane of the key and made of an elastic material for, after a command operation by pressing the key, recall the key in position rest.
  • Such control keys are used in audio and video devices, in particular car radios to control the various adjustments: tone, sound, etc.
  • a key acts, for example, on at least one switch which delivers a pulse during each pressure on the key.
  • the button fixing system is subject to functional and aesthetic constraints, in particular: large number of operations, positioning accuracy relative to the aesthetic facade, possibility of lighting from inside the device, absence of mechanical noise in vibrations.
  • a system in accordance with the preamble is known from US-A-4,689,455 (Watanabe).
  • the system according to this patent comprises a set of two keys provided with two strips ensuring both the positioning and the elastic return of the keys.
  • Each key operates, independently of the other, a switch. Its possibilities are therefore limited.
  • the present invention aims to eliminate these drawbacks. This object is achieved by a system having the features of claim 1.
  • Such a fixing system in accordance with the preamble is particularly remarkable in that the said support is provided with a flat T-shaped opening which crosses its thickness, the leg of the T being wide relative to the wings, a substantially hemispherical recess being arranged.
  • the key has two other central lamellae between the two aforementioned lamellae, thus forming four contiguous lamellae, the two central lamellae being sufficiently spaced from one another to accommodate between them on the side of their base a nipple of hemispherical shape similar to the recess of the support, and being further connected to each other at their other end by a spoiler, the assembly being arranged so that, after elastic penetration of the two outer strips in the wings of the T and, simultaneously, two central lamellae in the leg of the T, firstly the spoiler snaps onto the support by resting on the face of the support opposite the recess and cooperates with the stud then housed in the recess to constitute the said means of positioning under the shape of a pivot around which the key is movable, secondly the two lateral blades are supported in the wings of the T to constitute the so-called means e reminder.
  • Such a system based on the elasticity of the slats is simple, inexpensive, easy to assemble and disassemble.
  • said key further comprises at least one lower positioning tab made of elastic material, perpendicular to the plane of the key, and provided with a snap-on spoiler for, by cooperating with an opening of the support, specifying the determination of the rest position.
  • the button is provided with a control button to the left of the button and a control button to the right of the button, each of them being opposite a switch so that the positions of are three in number.
  • pressing the right activates a first switch
  • pressing the left activates a second switch
  • pressing in the middle activates both switches simultaneously.
  • Figure 1 shows the principle of the key and the support.
  • Figure 2 shows, in section, the mounting system mounted.
  • the support SU has, throughout its thickness, an opening ET in the form of a flattened 'T'.
  • the TO key is operated by pressure exerted on the flat surface SP; this surface can obviously have other aspects than that shown.
  • the TO key is provided with 4 lamellas L1, LC1, LC2, L2, contiguous 2 to 2 -L1, LC1 and LC2, L2-, substantially perpendicular to the plane SP of the key, and made of an elastic material which gives them some flexibility compared to the SP plan of the button.
  • the whole of the key is made of plastic molded in one piece, the plane SP having an adequate thickness to provide it with sufficient rigidity.
  • the extreme lamellae L1, L2 are dimensioned to be housed, with the smallest possible clearance in thickness, in the wings A1, A2 of the recess AND of the support SU.
  • the slats LC1, LC2, are connected to each other at their end by a beveled spoiler BE arranged to, after penetration into the leg JA of the recess ET, snap onto the rear face of the support SU.
  • the lamellae LC1, LC2 are sufficiently spaced from one another to accommodate there, on the side of their base, a nipple of hemispherical shape SP1 connected to the key rigidly.
  • the support comprises, at the top of the leg of the T, a hemispherical recess SP2 arranged in the thickness of the support, and arranged so that, when the key is introduced into the support, the two hemispherical elements SP1, SP2 cooperate to constitute the pivot around which the key can be operated.
  • the pivot and the spoiler BE after snap-fastening, constitute the means for fixing and positioning the key in the rest position.
  • the slats L1, L2 also cooperate in determining the rest position, but above all they constitute the return means by bearing on the wings A1, A2 of the 'T', during a control operation.
  • Figure 2 shows, in section, the mounted system in the rest position.
  • the SU support is visible with its hemispherical housing SP2 and part of the ET recess.
  • the TO button is visible with its stud SP1 and its snap-on spoiler BE, the LC1 strip is shown in dotted lines.
  • a lower positioning leg PPI has been provided, it is flexible, like the slats, and has a BEI snap-in spoiler to be housed in an additional opening OS of the support.
  • the length of the PPI tab up to its BEI spoiler ensures perfectly reproducible positioning of the button in the rest position; the rest position can be provided so that the slats L1 and L2 are slightly prestressed which, in particular, eliminates any play and avoids mechanical noise in the event of vibration.
  • the fixing system described above provides a movable button resiliently around a pivot and provided with a rest position.
  • the key is provided with two control push-buttons PO1 and PO2; in FIG. 2, the push-button PO1 is visible opposite a switch SW1; similarly a switch SW2 is placed opposite the pusher PO2.
  • the word switch is not limitative because it is clear that any kind of device, such as metal blades, dome contacts, etc. can be activated with the pivot key described, which provides a stroke of a few millimeters for the activation of any device.
  • such a fastening system has been produced with a plastic button 30x15 mm with lamellae whose thickness is 0.7 mm, the width of 2.5 mm and the length of 6 mm.
  • the fixing system according to the invention occupies little space and, therefore, it is possible to light the button from the rear with, for example, an AM bulb.
  • the area of the support marked LU prefferably be empty, or translucent, for the light emitted by the bulb AM to illuminate the key from the rear to reveal an inscription or a drawing.

Landscapes

  • Rotary Switch, Piano Key Switch, And Lever Switch (AREA)
  • Push-Button Switches (AREA)

Claims (4)

  1. System zur Befestigung einer Funktionstaste auf einem Träger (SU), wobei die Taste (TO) im wesentlichen plan ist, mit einer Ruhelage und mindestens einer Betätigungslage, mit Positionierungsmitteln zum Positionieren der Taste auf dem Träger und zwei in einer gleichen Ebene, senkrecht zur Ebene der Taste gelegenen und aus elastischem Material bestehenden Lamellen (L1, L2), um, nach einem Betätigungsvorgang durch Drücken der Taste, die Taste in ihre Ruhelage zurückzuholen, dadurch gekennzeichnet, daß der Träger (SU) über seine gesamte Dicke mit einer Öffnung (ET) in Form eines abgeflachten T versehen ist, wobei der Fuß des T im Vergleich zu seinen Armen groß ist, wobei in der Dicke des Trägers in Höhe des Fußes des T eine im wesentlichen halbkugelförmige Aussparung (SP2) angeordnet ist, und daß die Taste zwischen den genannten Lamellen (L1, L2) zwei weitere zentrale Lamellen (LC1, LC2) aufweist, die somit vier miteinander verbundene Lamellen bilden, wobei die beiden zentralen Lamellen ausreichend weit voneinander entfernt liegen, um dazwischen an der Seite ihrer Basis einen Ansatz (SP1) von gleicher Halbkugelform wie die der genannten Aussparung (SP2) des Trägers aufzunehmen, und die außerdem an ihrem anderen Ende miteinander durch eine Deckplatte (BE) verbunden sind, wobei das Ganze so ausgeführt ist, daß nach elastischem Einführen der beiden äußeren Lamellen (L1, L2) in die Arme des T und gleichzeitig der beiden mittleren Lamellen (LC1, LC2) in den Fuß des T erstens die Deckplatte (BE) unter Anliegen an der der Aussparung entgegengesetzten Seite in den Träger einrastet und mit dem jetzt in der Aussparung (SP2) liegenden Ansatz (SP1) zusammenwirkt, um die genannten Positionierungsmittel in Form eines Drehzapfens zu bilden, um den die Taste beweglich ist, und zweitens die beiden seitlichen Lamellen (L1, L2) in den Armen des T lagern, um die genannten Rückholmittel zu bilden.
  2. Befestigungssystem nach Anspruch 1, dadurch gekennzeichnet, daß die Taste außerdem mindestens eine untere Positionierungskrempe (PPI) aus elastischem Material umfaßt, die senkrecht zur Tastenebene (TO) liegt und mit einer Einrastplatte (BEI) versehen ist, um im Zusammenwirken mit einer Öffnung (OS) des Trägers die Bestimmung der Ruhelage zu präzisieren.
  3. Befestigungssystem nach Anspruch 1 oder 2, dadurch gekennzeichnet, daß die Taste mit einem Betätigungsvorschub (PO1) links der Taste und einem Betätigungsvorschub (PO2) rechts der Taste versehen ist, wobei jeder von ihnen gegenüber einem Schalter (SW1, SW2) liegt, derart, daß die Anzahl Funktionspositionen drei beträgt: bei Betätigung der Taste an ihrer rechten Seite wird nur der rechte Schalter aktiviert, bei Betätigung der Taste an ihrer linken Seite wird nur der linke Schalter aktiviert und bei Betätigung der Taste in der Mitte werden beide Schalter gleichzeitig aktiviert.
  4. Audiogerät, Videogerät, insbesondere Autoradio, mit mindestens einer nach einem der vorhergehenden Ansprüche befestigen Funktionstaste.
EP90201929A 1989-07-21 1990-07-16 Befestigungssystem für eine Schwenktaste und dieses System verwendendes Gerät Expired - Lifetime EP0418936B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8909885 1989-07-21
FR8909885A FR2650118B1 (fr) 1989-07-21 1989-07-21 Systeme de fixation d'une touche mobile autour d'un pivot et appareil l'utilisant

Publications (2)

Publication Number Publication Date
EP0418936A1 EP0418936A1 (de) 1991-03-27
EP0418936B1 true EP0418936B1 (de) 1995-03-29

Family

ID=9384036

Family Applications (1)

Application Number Title Priority Date Filing Date
EP90201929A Expired - Lifetime EP0418936B1 (de) 1989-07-21 1990-07-16 Befestigungssystem für eine Schwenktaste und dieses System verwendendes Gerät

Country Status (5)

Country Link
US (1) US5117075A (de)
EP (1) EP0418936B1 (de)
JP (1) JPH0359918A (de)
DE (1) DE69018174T2 (de)
FR (1) FR2650118B1 (de)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE9001186U1 (de) * 1990-02-02 1990-05-17 S.W.E.C. Schmitt-Walter Engineering Consult, 82008 Unterhaching Leuchttastschalter
FR2670948B1 (fr) * 1990-12-21 1993-03-12 Philips Electro Grand Public Systeme de rappel d'une touche mobile autour d'un pivot et appareil l'utilisant.
CA2115872C (en) * 1993-08-20 2003-11-25 Antonio Ferreira Do Espirito Santo Axially operated switch for electrical circuits
US8222549B2 (en) * 2006-03-09 2012-07-17 Lear Corporation Input control module with adaptive actuators
CN102024597B (zh) * 2009-09-15 2013-04-17 纬创资通股份有限公司 一种用来触发一开关的按键结构及其相关电子装置
US8853578B2 (en) 2009-12-18 2014-10-07 Milwaukee Electric Tool Corporation Multi motion switch with multiplier arm
TWM408714U (en) * 2011-02-18 2011-08-01 Wistron Corp Input device with swing operation
TWM408715U (en) * 2011-02-18 2011-08-01 Wistron Corp Input device with swing operation

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2148804C2 (de) * 1971-09-30 1978-05-11 Grundig E.M.V. Elektro-Mechanische Versuchsanstalt Max Grundig, 8510 Fuerth Drucktastenschalter, insbesondere mehrfach-drucktastenschalter
DE7624166U1 (de) * 1976-07-31 1977-01-27 Telefonbau Und Normalzeit Gmbh, 6000 Frankfurt Druckschalter
US4096364A (en) * 1977-02-22 1978-06-20 Chomerics, Inc. Keyboard switch assembly having flexible contact layer with snap initiator dome
US4181826A (en) * 1978-04-06 1980-01-01 Motorola, Inc. Dome switch actuating apparatus
US4387282A (en) * 1981-03-06 1983-06-07 Motorola Inc. Electrical switch assembly
US4386254A (en) * 1981-06-15 1983-05-31 Timex Corporation Rocker switch
KR900002951B1 (ko) * 1985-01-25 1990-05-03 마쯔시다덴기산교 가부시기가이샤 푸시버튼장치
JP2517932Y2 (ja) * 1988-05-31 1996-11-20 三菱電機株式会社 スイツチ作動用押しボタン装置

Also Published As

Publication number Publication date
DE69018174T2 (de) 1995-11-02
EP0418936A1 (de) 1991-03-27
FR2650118A1 (fr) 1991-01-25
JPH0359918A (ja) 1991-03-14
US5117075A (en) 1992-05-26
DE69018174D1 (de) 1995-05-04
FR2650118B1 (fr) 1991-10-11

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