EP0304847B1 - Touche à poussoir - Google Patents

Touche à poussoir Download PDF

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Publication number
EP0304847B1
EP0304847B1 EP88113626A EP88113626A EP0304847B1 EP 0304847 B1 EP0304847 B1 EP 0304847B1 EP 88113626 A EP88113626 A EP 88113626A EP 88113626 A EP88113626 A EP 88113626A EP 0304847 B1 EP0304847 B1 EP 0304847B1
Authority
EP
European Patent Office
Prior art keywords
key body
axis
auf
key
bow
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
EP88113626A
Other languages
German (de)
English (en)
Other versions
EP0304847A1 (fr
Inventor
Detlev-Helge Ing.Grad. Breite
Franz Dipl.-Ing. Fh Wandinger
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.)
Wincor Nixdorf International GmbH
Original Assignee
Wincor Nixdorf International 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 Wincor Nixdorf International GmbH filed Critical Wincor Nixdorf International GmbH
Priority to AT88113626T priority Critical patent/ATE75342T1/de
Publication of EP0304847A1 publication Critical patent/EP0304847A1/fr
Application granted granted Critical
Publication of EP0304847B1 publication Critical patent/EP0304847B1/fr
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
    • 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
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05G—CONTROL DEVICES OR SYSTEMS INSOFAR AS CHARACTERISED BY MECHANICAL FEATURES ONLY
    • G05G1/00—Controlling members, e.g. knobs or handles; Assemblies or arrangements thereof; Indicating position of controlling members
    • G05G1/02—Controlling members for hand actuation by linear movement, e.g. push buttons

Definitions

  • the invention relates to a push button according to the preamble of claim 1.
  • a push button with an elongated button body is known, on which a swivel bracket is articulated in the region of its two ends.
  • the swivel bracket transfers part of the actuating force to the opposite end of the key body. This prevents the key body from tilting, which would cause the tappet connected to the key body to tilt in its guide, which would ultimately disrupt the function of the pushbutton.
  • the swivel bracket is counter-mounted in receiving elements on a fixed base plate, the receiving elements mostly being arranged within the base plate area covered by the key body for reasons of modular construction.
  • the object of this invention is therefore to develop a push button of the type mentioned above so that it can be assembled mechanically in a simple manner and with little effort.
  • Such a pushbutton provided with sliding bevels is assembled by a single one-dimensional movement, which can be carried out mechanically with a simple device.
  • the push button according to the invention is thus to be treated like a push button without swivel bracket during assembly.
  • a concave course of the sliding bevel results in a favorable distribution of the force components acting on the second bracket axis, since the actual displacement of the second bracket axis only takes place when the plunger of the key body is already securely guided in the housing.
  • first bracket axis is only rotatable on the key body and the second bracket axis is rotatably and displaceably mounted in the receiving elements has the advantage when mounting the push button that the first bracket axis is always in a defined position on the key body and on the other hand that storage , which allows movements in one plane, as is necessary for a displacement of the second bracket axis, is more suitable for an automatic feeding of an axis.
  • the design of the receiving elements in connection with a sliding slope enables a continuous and smooth insertion of the second bracket axis, as well as a problem-free and low-resistance sliding of the second bracket axis from the receiving elements when the push button is possibly removed.
  • the design of the second stirrup axis in the form of spaced-apart axle supports usually makes it possible to make the sliding bevels and to arrange the receiving elements within the base area covered by the key body, since then a housing arranged between the free ends of the axle stub does not stand in the way of the second bracket axis when it is inserted into the receiving elements.
  • FIG. 1 shows a pushbutton DT arranged on a horizontal base plate GP, which essentially consists of a housing G, an elongated key body TK and a swivel bracket SB.
  • the housing G fastened on the base plate GP has a shaft-like opening SOE, which is directed perpendicular to the base plate GP onto a spring element FE located in the interior of the housing G.
  • the key body TK which is arranged with its longitudinal direction parallel to the base plate GP, extends over the housing G. At half its length, it has a cylindrical plunger S projecting at right angles to the base plate GP, which is axially guided in the shaft-like opening SOE of the housing G and presses with its end SE onto the spring element FE.
  • the key body TK is each provided with a bearing element LE, in which a first bracket axis EBA of the swivel bracket SB is mounted parallel to the longitudinal direction of the button body TK so that it can be rotated about its own axis.
  • the swivel bracket SB is composed of the first bracket axis EBA and a second bracket axis ZBA parallel to this.
  • This second bracket axis ZBA the course of which is indicated by a broken line, consists of two spaced-apart axle connectors AS, each of which is rigidly connected at one end via a connecting element VE to an assigned end of the first bracket axis EBA and which point towards one another with their free ends .
  • the swivel bracket can thus be easily formed from a single piece of wire.
  • axle supports AS rest in assigned receiving elements UP, which are fastened on the base plate GP.
  • receiving elements AUF In front of the receiving elements AUF there is a sliding slope AGS for the relevant axle socket AS.
  • FIG. 2 shows in cross section the key body TK and a receiving element AUF with associated slip slope AGS.
  • the key body TK whose plunger S is also indicated together with the housing G, shows one of the bearing elements LE for the first bracket axis EBA, which runs inside the key body TK along its rear longitudinal edge HLK.
  • the bearing elements LE each consist in a simple manner of a crossbar with a bore and a snap-in opening EOE for the problem-free reception of the first bracket axis EBA.
  • the second bracket axis ZBA is assigned to the front longitudinal edge VLK of the key body TK and runs below it in the receiving elements AUF on the base plate GP.
  • the receiving elements AUF each consist of a strip-shaped sliding surface GLF which is oriented in the transverse direction to the key body TK and runs parallel to the base plate GP and which has a parallel retaining lug with its free end in the transverse direction to the key body TK pointing towards the sliding slope AGS NA is covered. Between the sliding surface GLF and the retaining lug NA is the respective axle socket AS, which can be rotated about its own axis and displaced in the transverse direction to the key body TK.
  • the sliding slope AGS upstream of the receiving elements AUF is located with its ridge SP below the first bracket axis EBA.
  • the slip bevels AGS fall from their respective ridges SP in a concave arc to the sliding surface GF of the respective receiving element UP and pass smoothly into the sliding surface.
  • the pushbutton DT which is limited to inserting the plunger of the key body TK into the housing G, and the swivel bracket SB already mounted on the key body TK into the receiving elements UP, is carried out in a simple manner by inserting the plunger S along its axial direction into the shaft-like opening SOE of the housing G, the rear longitudinal edge HLK of the key body TK covering the ridges SP of both sliding bevels AGS.
  • the plunger S presses against the spring element FE and the axle socket AS slide between the sliding surfaces GLF and their retaining tabs NA in the direction of the front longitudinal edge VLK of the key body TK. If the pushbutton is left blank, the spring element FE brings the key body TK back to the rest position.
  • the plunger S can be designed as a circular cylinder, on the outside of which two diametrically opposite axial guide webs FST are formed. Associated with the guide webs FST, longitudinal grooves are embedded in the inner wall of the shaft-like opening SOE, in which the guide webs FST are axially displaceable.
  • the plunger also has two diametrically opposed, radially outwardly projecting snap hooks SH which get caught in the shaft-like guide opening SOE and prevent the key body TK from falling out.
  • an auxiliary plunger HS parallel to the plunger S is fastened to the key body TK.
  • auxiliary tappets HS two standing, parallel, mutually parallel shaft walls SW spaced in the transverse direction to the key body TK and aligned in the longitudinal direction to the key body TK are attached to the base plate GP.
  • the respective auxiliary tappet HS moves between these shaft walls when the pushbutton DT is pressed. However, it only touches the shaft walls SW when the key body TK is subjected to an extreme torque acting around the tappet axis.
  • the auxiliary plunger HS serve to support the two ends of the key body TK on the base plate GP.

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Push-Button Switches (AREA)
  • Input From Keyboards Or The Like (AREA)
  • Switches With Compound Operations (AREA)

Claims (7)

  1. Bouton-poussoir DT, notamment pour un ensemble de touches d'un clavier comportant un boîtier (G) disposé sur une plaque de base (GP), et un corps allongé (TK) du bouton, dont la direction longitudinale est parallèle à la plaque de base (GP) et qui est raccordé à un poussoir (S) dirigé vers la plaque de base (GP) et guidé axialement par le boîtier (G), et sur lequel est fixé un étrier pivotant (SB), qui possède deux axes parallèles à la direction longitudinale et maintenus à une distance réciproque fixe par des éléments de liaison (VE), le premier axe (EBA) de l'étrier étant supporté par le corps (TK) du bouton, tandis que le second axe (ZBA) de l'étrier est supporté dans des éléments récepteurs (AUF) situés sur la plaque de base (GP),
    caractérisé par le fait que sur la plaque de base (GP), est prévue au moins une partie oblique d'évacuation par glissement (AGS), qui repousse le second axe (ZBA) de l'étrier, lors de l'insertion du poussoir (S) dans le boîtier (G), à partir de sa position suspendue dans la direction transversale du corps (TK) du bouton et le dirige vers les éléments récepteurs (AUF).
  2. Bouton-poussoir selon la revendication 1, caractérisé par le fait que la partie inclinée de dégagement par glissement (AGS) possède une forme concave et s'abaisse, dans la direction transversale du corps (TK) du bouton, en direction des éléments récepteurs (AUF).
  3. Bouton-poussoir selon la revendication 1, caractérisé par le fait que sur le corps (TK) du bouton sont prévus des éléments de support (LE), dans lesquels le premier axe (EBA) de l'étrier est monté de manière à pouvoir pivoter autour de son propre axe fixe, et que le second axe (ZBA) de l'étrier est monté dans les éléments récepteurs (AUF) de manière à pouvoir tourner autour de son propre axe et être déplaçable dans la direction transversale du corps (TK) du bouton.
  4. Bouton-poussoir selon la revendication 3, caractérisé par le fait que les éléments récepteurs (AUF) possèdent respectivement une surface de glissement horizontale (GLF) et un ergot de retenue (NA), que les extrémités libres des ergots de retenue (NA) sont dirigées vers la partie inclinée de dégagement par glissement (AGS), dans la direction transversale par rapport au corps (TK) du bouton et s'engagent par-dessus le second axe (ZBA) de l'étrier, qui est en appui sur la surface de glissement (GLF).
  5. Bouton-poussoir selon l'une des revendications précédentes, caractérisé par le fait qu'une partie inclinée de dégagement par glissement (AGS) est disposée devant chaque élément récepteur (AUF).
  6. Bouton-poussoir selon l'une des revendications précédentes, caractérisé par le fait que le second axe (ZBA) de l'étrier est constitué par au moins deux bouts d'axe (AS) distants l'un de l'autre.
  7. Bouton-poussoir selon l'une des revendications précédentes, caractérisé par le fait que sur le corps (TK) du bouton sont disposés des poussoirs auxiliaires (HS), qui sont guidés respectivement entre deux parois (SW) d'un logement, qui sont parallèles entre elles, sont en appui verticalement sur la plaque de base (GP) et s'étendent dans la direction longitudinale du corps (TK) du bouton.
EP88113626A 1987-08-24 1988-08-22 Touche à poussoir Expired - Lifetime EP0304847B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT88113626T ATE75342T1 (de) 1987-08-24 1988-08-22 Drucktaste.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3728199 1987-08-24
DE3728199 1987-08-24

Publications (2)

Publication Number Publication Date
EP0304847A1 EP0304847A1 (fr) 1989-03-01
EP0304847B1 true EP0304847B1 (fr) 1992-04-22

Family

ID=6334372

Family Applications (1)

Application Number Title Priority Date Filing Date
EP88113626A Expired - Lifetime EP0304847B1 (fr) 1987-08-24 1988-08-22 Touche à poussoir

Country Status (4)

Country Link
EP (1) EP0304847B1 (fr)
AT (1) ATE75342T1 (fr)
DE (1) DE3870361D1 (fr)
ES (1) ES2032507T3 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19940051C1 (de) * 1999-08-24 2000-11-16 Siemens Pc Systeme Gmbh & Co K Tastaturgehäuse für ein Tastenfeld einer Drucktasten-Tastatur

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3824980A1 (de) * 1988-07-22 1990-01-25 Cherry Mikroschalter Gmbh Stuetzmechanik fuer mehrfachtastenkoepfe
DE4022917A1 (de) * 1990-07-19 1992-01-23 Triumph Adler Ag Tastatur fuer eine schreibmaschine o. dgl.
DE4425154C1 (de) * 1994-07-16 1995-10-19 Valeo Borg Instr Verw Gmbh Tastschalter mit lang gestrecktem Tastelement
DE102004008613B4 (de) * 2004-02-21 2013-10-17 Robert Bosch Gmbh Taste mit Schalthebel
DE102008022549A1 (de) * 2008-04-30 2009-11-05 Dr. Ing. H.C. F. Porsche Aktiengesellschaft Betätigungseinrichtung an einem Fahrzeuglenkrad
DE102018121678B4 (de) * 2018-09-05 2020-06-25 Behr-Hella Thermocontrol Gmbh Bedieneinheit für ein Fahrzeug
DE102020115847B4 (de) 2020-06-16 2021-12-23 Behr-Hella Thermocontrol Gmbh Bedieneinheit für ein Fahrzeug

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3720801A (en) * 1972-02-03 1973-03-13 Alps Electric Co Ltd Space key
DE3433743A1 (de) * 1984-09-14 1986-03-27 Preh, Elektrofeinmechanische Werke Jakob Preh Nachf. Gmbh & Co, 8740 Bad Neustadt Drucktaste
FR2606930B1 (fr) * 1986-11-14 1989-02-03 Radiotechnique Compelec Clavier avec une barre d'espacement a palonnier

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19940051C1 (de) * 1999-08-24 2000-11-16 Siemens Pc Systeme Gmbh & Co K Tastaturgehäuse für ein Tastenfeld einer Drucktasten-Tastatur

Also Published As

Publication number Publication date
ATE75342T1 (de) 1992-05-15
ES2032507T3 (es) 1993-02-16
DE3870361D1 (de) 1992-05-27
EP0304847A1 (fr) 1989-03-01

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