EP0855728B1 - Drucktaster - Google Patents
Drucktaster Download PDFInfo
- Publication number
- EP0855728B1 EP0855728B1 EP98100414A EP98100414A EP0855728B1 EP 0855728 B1 EP0855728 B1 EP 0855728B1 EP 98100414 A EP98100414 A EP 98100414A EP 98100414 A EP98100414 A EP 98100414A EP 0855728 B1 EP0855728 B1 EP 0855728B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- pushbutton
- housing
- button
- push button
- actuating element
- 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
Links
Images
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
- H01H13/50—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a single operating member
- H01H13/52—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a single operating member the contact returning to its original state immediately upon removal of operating force, e.g. bell-push switch
Definitions
- the present invention relates to a push button according to the preamble of Claim 1.
- Such a pushbutton is known from G 85 10 147, with the key cap Spring elements are molded.
- the object of the present invention is to improve the push button.
- Push button according to the features of the patent claim 1 reached.
- Favorable spring properties with a small overall width of the Pushbuttons can be easily implemented in terms of production, if that Has spring element to at least one spring arm, which is essentially in a Level, meandering along the longitudinal axis of the actuating element extends.
- the spring is then particularly robust and inexpensive for bending or Torsional stresses designed if the spring arm is not only in one plane, but in all three levels, possibly similar to a helix, along the Connecting element extends.
- the pushbuttons can be spaced a short distance apart are held together in the housing.
- the actuating element advantageously has a latching element for holding the Push button in the housing. This allows the push button to be installed in the housing First be held captive in this, before the housing cover with the appropriate openings for the push button mounted on the housing becomes.
- the touch element or in particular the actuator has a stop through which the displacement of the push button is limited inside the housing.
- the push button is advantageously under tension mounted in the housing or the front panel.
- the push button is advantageously made in one piece using injection molding technology and from plastic.
- the demolding direction is for the injection molding production of the push button perpendicular to Oriented longitudinal axis of the actuator and the push button in this regard undercut free. Two simple designs can thus be used in the production Tool halves without slider or other aids by linear expansion generate the complete push button ready for installation.
- a housing 1 In or on a housing 1 is a housing 1 forming or covering sections Front panel 3 attached (not shown).
- the housing 1 faces behind the front panel 3 a plate-shaped bracket section 5.
- Behind this inside the housing 1 a circuit board 7 is arranged at a distance from the front panel 3.
- On the circuit board 7 is a short-stroke key 9 fastened with the aid of a in the housing 1 or the front panel 3rd held push button 11 is actuated from plastic.
- the front panel 3 has a circular aperture 13 and in a corresponding Extension has the holding section 5 of the housing 1 in the direction of the Printed circuit board 7 to tapered sleeve 15.
- the one-piece push button 11 projects with a push button head 17, on which a push button cap 19 is fastened, into the aperture 13 or out of this to the front.
- An annular shoulder 21 of the cap 19 engages behind the front panel 3 and secures the push button 11 captively in the housing 1 when the Front panel 3 is attached to the housing 1.
- the pushbutton rod 23 has a stop disk 25 which is connected to a corresponding paragraph 26 of the housing 1 or the bracket portion 5 as a path limitation serves for the push button 11.
- a stop disk 25 which is connected to a corresponding paragraph 26 of the housing 1 or the bracket portion 5 as a path limitation serves for the push button 11.
- two spring slots 27 formed as a damping element in the axial Load the push button 11 serve.
- the spring slots 27 or the thereby formed Damping element in the key rod 23 is prevented in the case of less favorable Housing and push button tolerances when pressing the push button 11 on the short-stroke key 9 too much force is exerted on them.
- a stylus bead 29 is formed on the stylus rod 23. This is the push button 11 captive in the sleeve 15 of the housing 1 by inserting it before the push button 11 with the attached cap 19 by mounting the front panel 3 finally is fixed in the housing 1.
- this has a spring element 31.
- This is formed by two spring arms 33, which are on both sides of the push rod 23 essentially parallel to this from the probe head 17 up to the stop disk 25 extend and end there freely.
- the spring arms 33 are meandering and are supported with their free end section on the mounting section 5 of the housing.
- the pushbutton 11 is mounted under tension behind the front panel 3, whereby a defined fit of the push button 11 and a pleasant operating feeling are achieved.
- the Spring arms 33 are formed in the area of the probe head 17 and stabilize them three-dimensional meandering extension of the pushbutton 11 during its displacement movement in the housing 1.
- the push button 11 with all its functional elements is formed in one piece and in Injection molding technology manufactured.
- the spring elements 33 or Spring slots 27 designed so that a production with the simplest tools without Slider is possible.
- the push button 11 is in relation to a direction of removal (arrows in Fig. 2) perpendicular to the longitudinal axis of the push rod 23 formed without undercuts.
Landscapes
- Push-Button Switches (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
- Massaging Devices (AREA)
- Eye Examination Apparatus (AREA)
Description
- Fig. 1
- eine schematisierte abschnittsweise Schnittdarstellung des in ein Gehäuse eingebauten Drucktasters und
- Fig. 2
- in einer perspektivischen Ansicht in vergrößertem Maßstab den Drucktaster.
Claims (7)
- Drucktaster mit einem Tastelement, das in einer Gehäuseblende verschiebbar angeordnet werden kann, zur Betätigung einer Taste bzw. eines Kontaktes, die hinter der Gehäuseblende im Abstand dazu gehäusefest angeordnet sind, wobei mit dem Tastelement ein Betätigungselement gegen den Widerstand eines sich am Gehäuse abstützenden Federelements an die Taste bzw. den Kontakt drückbar ist, und das Federelement (31) einteilig mit dem Tastelement (17) und/oder dem Betätigungselement (23) ausgeformt ist, dadurch gekennzeichnet, dass das Federelement (31) zumindest einen Federarm (33) aufweist, der sich im wesentlichen in einer Ebene erstreckend, mäanderförmig entlang des Betätigungselementes (23) erstreckt.
- Drucktaster nach Anspruch 1, dadurch gekennzeichnet, dass das Betätigungselement (23) ein Rastelement (29) aufweist zum Haltern des Drucktasters (11) im Gehäuse (1).
- Drucktaster nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass das Tastelement (17) oder das Betätigungselement (23) einen Anschlag (25) aufweisen zur Begrenzung des Verschiebeweges des Drucktasters (11) im Gehäuse (1).
- Drucktaster nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass der Drucktaster (11) unter Vorspannung in dem Gehäuse (1) montiert ist.
- Drucktaster nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass sich der Federarm (33) mäanderförmig in alle drei Ebenen entlang des Betätigungselementes (23) erstreckt.
- Drucktaster nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass der Drucktaster (11) einteilig in Spritzgießtechnik, insbesondere aus Kunststoff, hergestellt ist.
- Drucktaster nach Anspruch 5 in Verbindung mit Anspruch 6, dadurch gekennzeichnet, dass die Entformungsrichtung für die spritzgießtechnische Herstellung des Drucktasters (11) senkrecht zur Längsachse des Betätigungselementes (23) orientiert ist, und dass das Drucktaster (11) diesbezüglich hinterschnittfrei ausgebildet ist.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE29701148U DE29701148U1 (de) | 1997-01-23 | 1997-01-23 | Drucktaster |
DE29701148U | 1997-01-23 |
Publications (3)
Publication Number | Publication Date |
---|---|
EP0855728A2 EP0855728A2 (de) | 1998-07-29 |
EP0855728A3 EP0855728A3 (de) | 1999-05-26 |
EP0855728B1 true EP0855728B1 (de) | 2004-09-15 |
Family
ID=8034961
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP98100414A Expired - Lifetime EP0855728B1 (de) | 1997-01-23 | 1998-01-12 | Drucktaster |
Country Status (2)
Country | Link |
---|---|
EP (1) | EP0855728B1 (de) |
DE (2) | DE29701148U1 (de) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE29904519U1 (de) * | 1999-03-12 | 2000-08-24 | Aeg Hausgeraete Gmbh | Bedienvorrichtung zur Anordnung im Bedienungsfeld von Haushalts-Großgeräten o.dgl. |
EP2282318B1 (de) * | 2009-07-29 | 2016-06-29 | Electrolux Home Products Corporation N.V. | Druckknopfschaltereinheit |
EP2824685B1 (de) | 2013-07-11 | 2015-09-30 | RAFI GmbH & Co. KG | Schaltvorrichtung |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4463237A (en) * | 1983-04-13 | 1984-07-31 | Wico Corporation | Pushbutton assembly with integral bias means |
DE8510147U1 (de) * | 1985-04-04 | 1987-05-07 | Siemens AG, 1000 Berlin und 8000 München | Tastenkappe für eine in einem Gehäuse angeordnete Tastatur |
DE8908429U1 (de) * | 1989-07-11 | 1989-08-24 | Grundig E.M.V. Elektro-Mechanische Versuchsanstalt Max Grundig holländ. Stiftung & Co KG, 8510 Fürth | Tastensatz |
-
1997
- 1997-01-23 DE DE29701148U patent/DE29701148U1/de not_active Expired - Lifetime
-
1998
- 1998-01-12 EP EP98100414A patent/EP0855728B1/de not_active Expired - Lifetime
- 1998-01-12 DE DE59811930T patent/DE59811930D1/de not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
DE29701148U1 (de) | 1997-04-17 |
EP0855728A2 (de) | 1998-07-29 |
DE59811930D1 (de) | 2004-10-21 |
EP0855728A3 (de) | 1999-05-26 |
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