EP1170764B1 - Druckschalter - Google Patents

Druckschalter Download PDF

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Publication number
EP1170764B1
EP1170764B1 EP01410084A EP01410084A EP1170764B1 EP 1170764 B1 EP1170764 B1 EP 1170764B1 EP 01410084 A EP01410084 A EP 01410084A EP 01410084 A EP01410084 A EP 01410084A EP 1170764 B1 EP1170764 B1 EP 1170764B1
Authority
EP
European Patent Office
Prior art keywords
push
button according
operating means
blade
button
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
EP01410084A
Other languages
English (en)
French (fr)
Other versions
EP1170764A1 (de
Inventor
Philippe Traversaz
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.)
Mafelec SAS
Original Assignee
Mafelec SAS
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 Mafelec SAS filed Critical Mafelec SAS
Publication of EP1170764A1 publication Critical patent/EP1170764A1/de
Application granted granted Critical
Publication of EP1170764B1 publication Critical patent/EP1170764B1/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
    • H01H13/00—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch
    • H01H13/02—Details
    • H01H13/12—Movable parts; Contacts mounted thereon
    • H01H13/14—Operating parts, e.g. push-button
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H3/00—Mechanisms for operating contacts
    • H01H3/02—Operating parts, i.e. for operating driving mechanism by a mechanical force external to the switch
    • H01H3/12—Push-buttons
    • H01H3/122—Push-buttons with enlarged actuating area, e.g. of the elongated bar-type; Stabilising means therefor

Definitions

  • the invention relates to a push button comprising a body forming a support, a movable control member having a fixed position of rest and at least one actuated position, and an electrical contact device intended to be actuated by a change of position of said body member. ordered.
  • a push button of the state of the art has a body in which a movable member slides to actuate an electrical contact.
  • a return spring disposed in the body between the movable member and the bottom of said body pushes or keeps the movable member in a fixed position.
  • the movable member acts directly on the electrical contact when said member is at the end of the stroke.
  • the pushers of the state of the art have a good functioning as the control member is generally circular in shape and small diameter. As soon as the surface of the control member requires a larger surface.
  • the push buttons made according to known embodiments must have high depths to ensure good sliding of the control member without risk of blockage. Thus, too much depth is not appropriate for installations requiring a reduced volume.
  • the object of the invention is a push button allowing a large surface area of the control member and an effective action on the entire surface of said control member.
  • a push button comprises a body forming a support, a movable control member having a fixed rest position and at least one actuated position, and an electrical contact device intended to be actuated by a change of position of said body.
  • control device via actuating means having at least one end intended to act on said electrical contact device, the actuating means having at least one support on the body and comprising at least one flexible blade arranged substantially parallel to to a front face of the control member and terminated by the end, and the movable control member having a bearing portion for pressing the blade or blades of said actuating means between said support on the body and said end.
  • the actuating means comprise at least one flexible blade disposed substantially parallel to a front face of the control member.
  • the actuating means comprise at least three flexible blades secured by a mechanical connection intended to bear on the body, the flexible blades having ends oriented towards the center of the circular portion to act on the contact device.
  • the end of the flexible blades is curved opposite to the electrical contact device.
  • the flexible blades have a shape capable of causing a tactile effect and a predetermined sound effect.
  • control member comprises an outer flange bearing on the support and allowing a tilting of said control member.
  • the movable control member comprises at least one protuberance disposed on a face opposite to a front face to press on at least one blade of the actuating means.
  • the protuberance has a substantially circular shape to allow the control member to press at least one blade of the actuating means regardless of its position with respect to the body forming a support.
  • a push button comprises means for preventing the rotation of the control member along an axis perpendicular to the front face of said control member.
  • At least one flexible blade of the actuating means is a leaf spring for pushing the control member into its rest position.
  • At least one flexible blade of the actuating means is a blade made of metallic material.
  • At least one flexible blade of the actuating means is a plastic blade integral with the body forming a support.
  • control member comprises a front face key having an area greater than 15 square centimeters.
  • control member comprises a front face button of circular shape with a diameter greater than 30 mm.
  • a push button according to a particular embodiment of the invention comprises light signaling means.
  • the pushbutton shown in FIG. 1 comprises a body 1 forming a support, a control member 2 intended to act on an electrical contact device 3.
  • the control member 2 is pushed back into a rest position by a helical spring 4 which bears on the bottom of the body 1. An action on the control member compresses the spring and allows said member to control the electrical contact 3.
  • Such push buttons of the state of the art do not allow thin bodies or control members having a large surface and a possibility of support on the entire surface.
  • an actuating device 5 has at least one support 6 on the body and at least one end 7 intended to act on the electrical contact device 3
  • the control member 2 comprises a support portion 8 for pressing the actuating device 5 between the bearing on the body 6 and the end 7.
  • the portion 8 disposed on a face opposite to the front face may be a protuberance in the form of a lug.
  • the protuberance 8 may be circular in shape.
  • the member 2 has a key 9 front face having a large surface on the front to make it easily accessible by a user.
  • the surface of the front panel key 9 may be greater than 15 square centimeters.
  • a flange 10 allows said control member to swing over its entire contour.
  • the actuating device comprises at least one flexible blade 11 arranged substantially parallel with respect to a front face or a front face key 9 of the control member 2.
  • An end 12 of the flexible blade 11 for acting on the electrical contact device 3 is oriented towards the center of the push button.
  • Another end 13 of the blade is directed towards the body of the push button to perform the support 6.
  • the end 12 of the flexible blade 11 is bent in opposition to said electrical contact device.
  • the actuating device comprises a mechanical connection 14 for pressing 6 on the body.
  • At least one flexible blade is to maintain the control member in a rest position.
  • at least one blade is a leaf spring to push the control member in its opposite position to the bottom of the body.
  • an actuating device comprises at least three flexible blades 11 to ensure a substantially uniform feel over the entire surface of the front face of the control member.
  • an actuating device comprises four flexible blades 11 connected by a mechanical connection 14 of circular shape.
  • support portions 8 are arranged substantially in the middle of the flexible blades.
  • these support parts closer to the center or to the contrary to the outside to have a different feel, for example a stroke or a different hardness.
  • a tactile effect and a sound effect may also take into account the characteristics of the electrical contact device 3.
  • Figure 4 shows an exploded view of a push button according to one embodiment of the invention.
  • the body 1 has a substantially square outer shape 15 and an inner housing 16 of circular shape.
  • the electrical breaking device 3 is arranged on a printed circuit intended to be held at the bottom of the body by flexible tongues provided with hooking lugs.
  • an optional seal 18 is disposed on a base of the body.
  • An actuating device 5 comprising tabs 11 and a mechanical connection 14 introduced into the circular inner part of the body. Maintaining advances 19 secured to the mechanical connection 14 allow to position the device 5 in the body without the risk of damaging the tabs.
  • the control member is circular in shape with an outer portion forming a front face key 9.
  • the front face button of circular shape has a diameter greater than 30 mm, for example 50 mm.
  • the control member 2 comprises an outer flange 10 bearing on the support and allowing a tilting of said control member.
  • the flange is disposed on the circular contour of the member 2.
  • the front face of the control member may include an opening 20 for viewing a light indicator. This opening 20 can be plugged by a plug 21 of the same color as the key or by a cap 21 translucent to let the light of a light.
  • the pushbutton comprises means for preventing the rotation of the control member along an axis perpendicular to the front face. of said control member.
  • These means can take the form of notches 26 on the control member. They can also provide a keying function.
  • a plastron 22 of substantially square shape may be disposed on the body, it surrounds the control member.
  • Figures 5 and 6 show the same embodiment as that of Figure 4.
  • the push button has a different shape.
  • the body 1 has a substantially circular outer shape 23, and an inner housing 16 and a plastron 22 are also substantially circular shapes.
  • the push button comprises a fixing device 24 for holding it or fixing it on a support.
  • the push button has a second key 25 for acting on a first key 9.
  • the first key 9 acts directly on the actuating device 5 and the second key acts on the first.
  • the second key can be interchangeable or of various shape depending on the function assigned to it, especially during the installation of the push button.
  • the movable control member comprises at least one protuberance 8 disposed on a face opposite a front face to press on at least one blade of the actuating device.
  • the protuberance has a substantially circular shape to allow the control member to press on at least one blade of the actuating device regardless of its position with respect to the body forming a support.
  • blades of the actuating device are substantially parallel to the surface touch 9.
  • blades may have ends acting on the electrical contact device further away from the front face of a key than points of support on the body which will then be closer to said front face of the key.
  • the blades of the actuator may be metal or other materials that can form a leaf spring.
  • the blades may be of plastic material and be part of the body 1 forming a support.
  • the body 1 is made, for example, of rigid plastic material.
  • the blades of the same actuating device may have different lengths, in particular to be adapted to particular key shapes.
  • the keys can have various shapes. They can be in particular circular, elliptical, square, rectangular, triangular, or other shapes.

Landscapes

  • Push-Button Switches (AREA)
  • Surgical Instruments (AREA)
  • Switches Operated By Changes In Physical Conditions (AREA)
  • Braking Systems And Boosters (AREA)
  • Switches With Compound Operations (AREA)

Claims (14)

  1. Drucktaster mit einem als Träger ausgebildeten Grundkörper (1), einem beweglichen Antriebsorgan (2), das eine feste Ruhestellung sowie mindestens eine Betätigungsstellung aufweist, sowie einer elektrischen Kontaktanordnung (3), die durch eine Stellungsänderung des genannten Antriebsorgans mit Hilfe von Betätigungsmitteln betätigt werden kann, die mindestens ein Ende (7, 12) zur Einwirkung auf die elektrische Kontaktanordnung (3) aufweisen,
    welcher Drucktaster dadurch gekennzeichnet ist, dass die Betätigungsmittel (5) mindestens eine auf dem Grundkörper aufliegende Stützfläche (6) und mindestens eine, annähernd parallel zu einer Vorderseite (9) des Antriebsorgans angeordnete biegsame Zunge (11) mit einem Ende (7, 12) umfassen, und dass am beweglichen Antriebsorgan (2) ein Stützbereich (8) ausgebildet ist, der dazu dient, sich auf der biegsamen Zunge bzw. den biegsamen Zungen der genannten Betätigungsmittel (5), zwischen der auf dem Grundkörper aufliegenden genannten Stützfläche (6) und dem genannten Ende (7, 12) abzustützen.
  2. Drucktaster nach Anspruch 1, dadurch gekennzeichnet, dass die Betätigungsmittel mindestens drei biegsame Zungen (11) umfassen, welche über eine mechanische Verbindung (14) miteinander verbunden sind, die zur Bildung einer auf dem Grundkörper (1) aufliegenden Stützfläche (6) dient, wobei die biegsamen Zungen Enden (7, 12) aufweisen, die zum Mittelpunkt des kreisförmigen Bereichs gerichtet sind, um auf die Kontaktanordnung (3) einzuwirken.
  3. Drucktaster nach einem der Ansprüche 1 oder 2, dadurch gekennzeichnet, dass das Ende (7; 12) der biegsamen Zungen zu der der elektrischen Kontaktanordnung (3) abgewandten Seite hin umbogen ist.
  4. Drucktaster nach irgendeinem der Ansprüche 1 bis 3, dadurch gekennzeichnet, dass die biegsamen Zungen (11) eine Form aufweisen, die in der Lage ist, eine bestimmte taktile und akustische Wirkung zu erzeugen.
  5. Drucktaster nach irgendeinem der Ansprüche 1 bis 4, dadurch gekennzeichnet, dass das Antriebsorgan (2) einen äußeren Kragen (10) aufweist, der sich auf dem Träger abstützt und eine Kippbewegung des genannten Antriebsorgans erlaubt.
  6. Drucktaster nach irgendeinem der Ansprüche 1 bis 5, dadurch gekennzeichnet, dass das bewegliche Antriebsorgan (2) auf einer, einer Vorderseite (9) gegenüber liegenden Seite mindestens einen Vorsprung (8) aufweist, der dazu dient, sich auf mindestens einer biegsamen Zunge (11) der Betätigungsmittel (5) abzustützen
  7. Drucktaster nach Anspruch 6, dadurch gekennzeichnet, dass der Vorsprung (8) annähernd kreisförmig ausgebildet ist, um dem Antriebsorgan unabhängig von dessen Relativlage zu dem als Träger ausgebildeten Grundkörper (1) zu ermöglichen, sich auf mindestens einer Zunge (11) der Betätigungsmittel (5) abzustützen.
  8. Drucktaster nach irgendeinem der Ansprüche 1 bis 7, dadurch gekennzeichnet, dass er Mittel (26) umfasst, die eine Drehung des Antriebsorgans um eine senkrecht zur Vorderseite des genannten Antriebsorgans angeordnete Achse verhindern.
  9. Drucktaster nach irgendeinem der Ansprüche 1 bis 8, dadurch gekennzeichnet, dass mindestens eine biegsame Zunge (11) der Betätigungsmittel (5) als Blattfeder ausgebildet ist, die es erlaubt, das Antriebsorgan (2) in seine Ruhestellung zu drücken.
  10. Drucktaster nach irgendeinem der Ansprüche 1 bis 9, dadurch gekennzeichnet, dass mindestens eine biegsame Zunge (11) der Betätigungsmittel (5) als Metallzunge ausgebildet ist.
  11. Drucktaster nach irgendeinem der Ansprüche 1 bis 10, dadurch gekennzeichnet, dass mindestens eine biegsame Zunge (11) der Betätigungsmittel (5) als fest mit dem als Träger ausgebildeten Grundkörper (1) verbundene Kunststoffzunge ausgebildet ist.
  12. Drucktaster nach irgendeinem der Ansprüche 1 bis 11, dadurch gekennzeichnet, dass das Antriebsorgan eine Fronttaste (9) mit einer Oberfläche von mehr als 15 Quadratzentimetern (cm2) umfasst.
  13. Drucktaster nach irgendeinem der Ansprüche 1 bis 12, dadurch gekennzeichnet, dass das Antriebsorgan eine kreisförmige Fronttaste (9) mit einem Durchmesser von mehr als 30 mm umfasst.
  14. Drucktaster nach irgendeinem der Ansprüche 1 bis 13, dadurch gekennzeichnet, dass er Leuchtmeldemittel (20, 21) umfasst.
EP01410084A 2000-07-06 2001-07-05 Druckschalter Expired - Lifetime EP1170764B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR0008783A FR2811468B1 (fr) 2000-07-06 2000-07-06 Bouton poussoir
FR0008783 2000-07-06

Publications (2)

Publication Number Publication Date
EP1170764A1 EP1170764A1 (de) 2002-01-09
EP1170764B1 true EP1170764B1 (de) 2006-12-20

Family

ID=8852167

Family Applications (1)

Application Number Title Priority Date Filing Date
EP01410084A Expired - Lifetime EP1170764B1 (de) 2000-07-06 2001-07-05 Druckschalter

Country Status (4)

Country Link
EP (1) EP1170764B1 (de)
AT (1) ATE349065T1 (de)
DE (1) DE60125284T2 (de)
FR (1) FR2811468B1 (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2931584B1 (fr) * 2008-05-22 2010-09-24 Mafelec Bouton-poussoir sonore

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5852981Y2 (ja) * 1979-08-10 1983-12-02 松下電器産業株式会社 プッシュオン式スイッチ
DE3112328A1 (de) * 1981-03-28 1982-10-07 Robert Bosch Gmbh, 7000 Stuttgart Druckschalter mit einer kappenfoermigen drucktaste
US4385218A (en) * 1981-04-21 1983-05-24 Matsushita Electric Industrial Co., Ltd. Electric switch
EP0417048A3 (en) * 1989-09-06 1992-01-08 Tschudin & Heid Ag Electrical switching arrangement with illuminating means
JP3794068B2 (ja) * 1996-09-17 2006-07-05 松下電器産業株式会社 プッシュオンスイッチ
DE19802292C1 (de) * 1998-01-22 1999-08-26 Rafi Gmbh & Co Kg Elektrotechn Drucktaste

Also Published As

Publication number Publication date
DE60125284T2 (de) 2007-10-04
EP1170764A1 (de) 2002-01-09
DE60125284D1 (de) 2007-02-01
ATE349065T1 (de) 2007-01-15
FR2811468B1 (fr) 2003-01-31
FR2811468A1 (fr) 2002-01-11

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