EP0312112A1 - Keyboard composed of pushbutton switches - Google Patents
Keyboard composed of pushbutton switches Download PDFInfo
- Publication number
- EP0312112A1 EP0312112A1 EP88117187A EP88117187A EP0312112A1 EP 0312112 A1 EP0312112 A1 EP 0312112A1 EP 88117187 A EP88117187 A EP 88117187A EP 88117187 A EP88117187 A EP 88117187A EP 0312112 A1 EP0312112 A1 EP 0312112A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- housing
- pins
- keypad according
- round
- recesses
- 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.)
- Withdrawn
Links
Images
Classifications
-
- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63H—TOYS, e.g. TOPS, DOLLS, HOOPS OR BUILDING BLOCKS
- A63H33/00—Other toys
- A63H33/04—Building blocks, strips, or similar building parts
- A63H33/042—Mechanical, electrical, optical, pneumatic or hydraulic arrangements; Motors
-
- 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
- H01H13/503—Stacked switches
-
- 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
- H01H13/70—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a plurality of operating members associated with different sets of contacts, e.g. keyboard
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H2223/00—Casings
- H01H2223/03—Separate key housing
- H01H2223/032—Separate key housing with formations for assembling similar housings
Definitions
- the invention relates to a keypad composed of key switches, in which the housings of the key switches are provided with projections and depressions for the projections on their mutually facing side surfaces.
- a keyboard composed of individual illuminated pushbuttons is already known (DE-PS 25 16 527), in which the housing of the individual illuminated pushbuttons has on one side two dovetail-shaped undercuts which are parallel to the direction of the pushing movement and on the opposite side a dovetail-shaped undercut rib of such dimensions has that this rib is adapted to the shape of said grooves. Furthermore, this rib should be at the same distance from both mutually perpendicular central planes of the buttons as each of the two grooves located on the opposite side.
- a dovetail-shaped undercut groove and a dovetail-shaped undercut rib are arranged parallel to each other in such a way that a rib on one of these two sides lies exactly opposite a groove on the other side.
- this known keyboard has the disadvantage that the individual housings of the illuminated pushbuttons have to be plugged together from top to bottom in the direction of the pushbutton movement, which is quite cumbersome and time-consuming. Fer ner locks consisting of a push-back nose are required to avoid unwanted displacement of the housing when pressing the actuation buttons of the switches. Such locks, by means of which the individual housings are held in the desired position, mean additional effort, increase the cost of production and do not allow the individual illuminated pushbuttons to be released, so that the keypad can no longer be disassembled into the individual switches after assembly .
- the object of the invention is therefore to further improve and simplify the known keyboard and to create a keypad which allows the key switches to be lined up laterally, that is to say perpendicular to the direction of the key movement, and does not require any additional locks.
- the housing is made of elastic plastic and the projections are designed as round pins which are in releasable clamping connection with the recesses of the adjacent housing.
- the design of the connecting elements according to the invention has the advantage that the keypad can be assembled in a simple manner according to the modular principle and, if necessary, can also be dismantled into its individual parts.
- the individual keypads can also be arranged offset from one another and when four round pins are used on one side surface of the housing, an offset of 1/2 and 1/4 or 3/4 is possible, which is particularly important for the grid structure of the keypads of office machines Meaning is.
- the button switch housing 1 consists of a square base body 2 with an annular attachment 3 for receiving the actuation button of the switch and is made of elastic plastic.
- two holding elements are provided on two opposite side surfaces 4 and 6 of the base body.
- On the side surface 4 there are four cylindrical pins 5, which are arranged perpendicular to the direction of the tactile movement and have the same distance from one another, and on the side surface 6, a groove 7 with three pin-shaped partition walls 8, which, when the housings 1 are plugged together, into the spaces between the pins 5 engage the adjacent housing.
- the diameter of the pin 5 is slightly larger than the width of the groove 7, so that after the housing 1 has been plugged together there is a releasable clamping connection between the pin 5 and the groove 7 and the pin-shaped partition walls 8 located in this groove.
- the two other opposite sides 14 and 15 of the base body 2 have no holding elements, so they have a smooth surface.
- two bores 16 arranged offset from one another are provided for placement on a chassis equipped with suitable pins or a printed circuit board.
- housing strips 26 which consist of four housings 1 which are firmly connected to one another by webs 27. These housing strips 26 can also be put together either in a matrix or with an offset of 1/2 or 1/4 or 3/4 to form a keypad.
- the housing 1 In order to also be able to assemble the key switch housing 1 according to FIGS. 1 to 3 into a matrix, it is necessary to provide the housing 1 on the opposite side surfaces 14 and 15 likewise with holding elements. This is the case in the embodiment according to FIGS. 8 to 10, where the side surface 14 has three cylindrical pins 30 and the side surface 15 has a correspondingly designed groove 31 with two pins 32 as partitions. Instead of three pins 30, only two or one pin 30 can also be provided. The additional pins 30 and the corresponding grooves 31 can also be attached to the housing strips 26 according to FIGS. 5 to 7.
Landscapes
- Input From Keyboards Or The Like (AREA)
- Switch Cases, Indication, And Locking (AREA)
Abstract
Description
Die Erfindung betrifft ein aus Tastenschaltern zusammengesetzes Tastenfeld, bei dem die Gehäuse der Tastenschalter zum Zusammenfügen an ihren einander zugekehrten Seitenflächen mit Vorsprüngen und Vertiefungen für die Vorsprünge versehen sind.The invention relates to a keypad composed of key switches, in which the housings of the key switches are provided with projections and depressions for the projections on their mutually facing side surfaces.
Es ist bereits eine aus einzelnen Leuchttastern zusammengesetzte Tastatur bekannt (DE-PS 25 16 527), bei der das Gehäuse der einzelnen Leuchttaster auf einer Seite zwei schwalbenschwanzförmig hinterschnittene, zur Richtung der Tastbewegung parallele Nuten und auf der gegenüberliegenden Seite eine schwalbenschwanzförmig hinterschnittene Rippe solcher Abmessungen aufweist, daß diese Rippe an die Form der genannten Nuten angepaßt ist. Weiterhin soll diese Rippe von beiden aufeinander senkrecht stehenden Mittelebenen der Taster den gleichen Abstand haben wie jede der beiden auf der gegenüberliegenden Seite befindlichen Nuten. Auf den beiden anderen, einander gegenüberliegenden Seiten sind hierzu parallel je eine schwalbenschwanzförmig hinterschnittene Nut und eine schwalbenschwanzförmig hinterschnittene Rippe derart nebeneinander angeordnet, daß jeweils eine Rippe einer dieser beiden Seiten genau gegenüber einer Nut der anderen Seite liegt. Diese bekannte Tastatur hat jedoch den Nachteil, daß die einzelnen Gehäuse der Leuchttaster von oben nach unten in Richtung der Tastbewegung zusammengesteckt werden müssen, was recht umständlich und zeitraubend ist. Fer ner sind aus einer zurückdrückbaren Nase bestehende Sperren erforderlich, um ein unerwünschtes Verschieben der Gehäuse beim Herunterdrücken der Betätigungstasten der Schalter zu vermeiden. Derartige Sperren, durch die die einzelnen Gehäuse in der gewünschten Stellung festgehalten werden, bedeuten aber einen zusätzlichen Aufwand, verteuern die Fertigung und lassen ein Lösen der einzelnen Leuchttaster nicht zu, so daß das Tastenfeld nach dem Zusammenbau nicht mehr in die einzelnen Schalter zerlegt werden kann.A keyboard composed of individual illuminated pushbuttons is already known (DE-PS 25 16 527), in which the housing of the individual illuminated pushbuttons has on one side two dovetail-shaped undercuts which are parallel to the direction of the pushing movement and on the opposite side a dovetail-shaped undercut rib of such dimensions has that this rib is adapted to the shape of said grooves. Furthermore, this rib should be at the same distance from both mutually perpendicular central planes of the buttons as each of the two grooves located on the opposite side. On the two other, opposite sides, a dovetail-shaped undercut groove and a dovetail-shaped undercut rib are arranged parallel to each other in such a way that a rib on one of these two sides lies exactly opposite a groove on the other side. However, this known keyboard has the disadvantage that the individual housings of the illuminated pushbuttons have to be plugged together from top to bottom in the direction of the pushbutton movement, which is quite cumbersome and time-consuming. Fer ner locks consisting of a push-back nose are required to avoid unwanted displacement of the housing when pressing the actuation buttons of the switches. Such locks, by means of which the individual housings are held in the desired position, mean additional effort, increase the cost of production and do not allow the individual illuminated pushbuttons to be released, so that the keypad can no longer be disassembled into the individual switches after assembly .
Aufgabe der Erfindung ist es daher, die bekannte Tastatur weiter zu verbessern sowie zu vereinfachen und ein Tastenfeld zu schaffen, das ein seitliches Aneinanderreihen der Tastenschalter, also senkrecht zur Richtung der Tastbewegung, zuläßt und keine zusätzlichen Sperren erfordert.The object of the invention is therefore to further improve and simplify the known keyboard and to create a keypad which allows the key switches to be lined up laterally, that is to say perpendicular to the direction of the key movement, and does not require any additional locks.
Dies wird gemäß der Erfindung auf vorteilhafte Weise dadurch erreicht, daß die Gehäuse aus elastischem Kunststoff hergestellt und die Vorsprünge als runde Zapfen ausgebildet sind, die mit den Vertiefungen der angrenzenden Gehäuse in lösbarer Klemmverbindung stehen.This is achieved according to the invention in an advantageous manner in that the housing is made of elastic plastic and the projections are designed as round pins which are in releasable clamping connection with the recesses of the adjacent housing.
Die erfindungsgemäße Ausbildung der Verbindungselemente hat den Vorteil, daß sich das Tastenfeld auf einfache Weise nach dem Baukastenprinzip zusammensetzen und, falls erforderlich, auch wieder in seine Einzelteile zerlegen läßt. Die einzelnen Tastenfelder können auch versetzt zueinander angeordnet werden und bei der Verwendung von vier runden Zapfen auf einer Seitenfläche der Gehäuse ist ein Versatz von 1/2 und 1/4 bzw. 3/4 möglich, was insbesondere für den Gitteraufbau der Tastenfelder von Büromaschinen von Bedeutung ist.The design of the connecting elements according to the invention has the advantage that the keypad can be assembled in a simple manner according to the modular principle and, if necessary, can also be dismantled into its individual parts. The individual keypads can also be arranged offset from one another and when four round pins are used on one side surface of the housing, an offset of 1/2 and 1/4 or 3/4 is possible, which is particularly important for the grid structure of the keypads of office machines Meaning is.
Weitere Merkmale und Vorteile der Erfindung können aus den Unteransprüchen sowie der Zeichnung und der zugehörigen Zeichnungsbeschreibung entnommen werden.Further features and advantages of the invention can be found in the subclaims and the drawing and the associated drawing description.
In der Zeichnung sind Ausführungsbeispiele gemäß der Erfindung dargestellt und zwar zeigt:
- Fig. 1 eine perspektivische Ansicht eines Tastenschaltergehäuses,
- Fig. 2 eine Draufsicht auf das Gehäuse nach Fig.1, teilweise im Schnitt,
- Fig. 3 eine Vorderansicht des Gehäuses nach Fig.1,
- Fig. 4 ein aus mehreren Gehäusen nach Fig. 1 bis 3 zusammengesetztes Tastenfeld, teilweise im Schnitt,
- Fig. 5 eine aus mehreren nebeneinander in einer Reihe angeordneten Gehäusen gebildete Baueinheit in perspektivischer Ansicht,
- Fig. 6 die Baueinheit nach Fig.5 in Draufsicht, teilweise im Schnitt,
- Fig. 7 die Baueinheit nach Fig. 5 in Vorderansicht,
- Fig. 8 eine perspektivische Ansicht einer weiteren Ausführungsform des Tastenschaltergehäuses,
- Fig. 9 eine Draufsicht auf das Gehäuse nach Fig. 8 und
- Fig. 10 eine Vorderansicht des Gehäuses nach Fig. 8.
- 1 is a perspective view of a key switch housing,
- 2 is a plan view of the housing of Figure 1, partially in section,
- 3 shows a front view of the housing according to FIG. 1,
- 4 shows a keypad composed of several housings according to FIGS. 1 to 3, partly in section,
- 5 is a perspective view of an assembly formed from a plurality of housings arranged side by side in a row,
- 6 shows the assembly according to FIG. 5 in plan view, partly in section,
- 7 shows the assembly according to FIG. 5 in front view,
- 8 is a perspective view of another embodiment of the key switch housing,
- 9 is a plan view of the housing of FIG .. 8 and
- 10 is a front view of the housing of FIG .. 8
Das Tastenschaltergehäuse 1 nach Fig. 1 bis 3 besteht aus einem quadratischen Grundkörper 2 mit einem ringförmigen Aufsatz 3 zur Aufnahme der Betätigungstaste des Schalters und ist aus elastischem Kunststoff herge stellt. Zum seitlichen Zusammenstecken der einzelnen Gehäuse 1 zu einem Tastenfeld sind an zwei gegenüberliegenden Seitenflächen 4 und 6 des Grundkörpers 2 Halteelemente vorgesehen. An der Seitenfläche 4 sind es vier zylinderförmige Zapfen 5, die senkrecht zur Richtung der Tastbewegung angeordnet sind und gleichen Abstand voneinander haben, und an der Seitenfläche 6 eine Nut 7 mit drei zapfenförmigen Trennwänden 8, die bei zusammengesteckten Gehäusen 1 in die Zwischenräume zwischen den Zapfen 5 des benachbarten Gehäuses eingreifen. Der Durchmesser der Zapfen 5 ist etwas größer als die Breite der Nut 7, so daß nach dem Zusammenstecken der Gehäuse 1 eine lösbare Klemmverbindung zwischen den Zapfen 5 und der Nut 7 sowie der in dieser Nut befindlichen zapfenförmigen Trennwände 8 besteht. Die beiden anderen einander gegenüberliegenden Seiten 14 und 15 des Grundkörpers 2 weisen keine Halteelemente auf, haben also eine glatte Oberfläche.
Im Grundkörper 2 sind zwei versetzt zueinander angeordnete Bohrungen 16 zum Aufsetzen auf ein mit passenden Stiften ausgerüstetes Chassis oder eine Leiterplatte vorgesehen.The button switch housing 1 according to FIGS. 1 to 3 consists of a
In the
Das Tastenfeld nach Fig. 4 ist aus neunzehn Gehäusen 1 zusammengesteckt, die vier Reihen 20 bis 23 bilden. Der Versatz zwischen den Reihen 20 und 21 sowie den Reihen 22 und 23 beträgt 1/2, während der Versatz zwischen den Reihen 21 und 22 1/4 bzw. 3/4 beträgt.4 is put together from nineteen
In Fig. 5 bis 7 sind Gehäusestreifen 26 abgebildet, die aus vier durch Stege 27 fest miteinander verbundenen Gehäusen 1 bestehen. Diese Gehäusestreifen 26 lassen sich ebenfalls entweder zu einer Matrix oder mit einem Versatz von 1/2 oder 1/4 bzw. 3/4 zu einem Tastenfeld zusammensetzen.5 to 7
Um auch die Tastenschaltergehäuse 1 nach Fig. 1 bis 3 zu einer Matrix zusammensetzen zu können, ist es erforderlich, die Gehäuse 1 an den gegenüberliegenden Seitenflächen 14 und 15 ebenfalls mit Halteelementen zu versehen. Dies ist bei der Ausführungsform nach Fig. 8 bis 10 der Fall, wo die Seitenfläche 14 drei zylinderförmige Zapfen 30 und die Seitenfläche 15 eine entsprechend ausgebildete Nut 31 mit zwei Zapfen 32 als Trennwände aufweist. Statt drei Zapfen 30 können auch nur zwei oder ein Zapfen 30 vorgesehen sein. Die zusätzlichen Zapfen 30 und die entsprechenden Nuten 31 können ebenfalls an den Gehäusestreifen 26 nach Fig. 5 bis 7 angebracht werden.In order to also be able to assemble the
In der Zeichnung sind zwei Ausführungsbeispiele gemäß der Erfindung dargestellt und oben beschrieben. Es versteht sich jedoch, daß die Erfindung keineswegs auf die se beiden Beispiele beschränkt ist, denn es gibt mannigfaltige Abwandlungsmöglichkeiten in der Gestaltung der erfindungsgemäßen Gehäuse und in der Wahl der Anzahl der zylindrischen Zapfen 5 bzw. 30, ohne daß dabei der durch die Erfindung abgesteckte Rahmen verlassen wird.In the drawing, two exemplary embodiments according to the invention are shown and described above. It goes without saying, however, that the invention is in no way limited to the two examples, because there are various possible modifications in the design of the housing according to the invention and in the choice of the number of
Claims (10)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE3731103 | 1987-09-16 | ||
DE19873731103 DE3731103C1 (en) | 1987-09-16 | 1987-09-16 | Keypad composed of key switches |
Publications (1)
Publication Number | Publication Date |
---|---|
EP0312112A1 true EP0312112A1 (en) | 1989-04-19 |
Family
ID=6336142
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP88117187A Withdrawn EP0312112A1 (en) | 1987-09-16 | 1988-09-09 | Keyboard composed of pushbutton switches |
EP19880907609 Withdrawn EP0333793A1 (en) | 1987-09-16 | 1988-09-09 | Keyboard composed of key switches |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP19880907609 Withdrawn EP0333793A1 (en) | 1987-09-16 | 1988-09-09 | Keyboard composed of key switches |
Country Status (3)
Country | Link |
---|---|
EP (2) | EP0312112A1 (en) |
DE (1) | DE3731103C1 (en) |
WO (1) | WO1989002651A1 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7332681B2 (en) | 2005-07-13 | 2008-02-19 | Trw Automotive Electronics & Components Gmbh & Co. Kg | Modular operating switch assembly |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5122463A (en) * | 1990-05-17 | 1992-06-16 | Massachusetts Institute Of Technology | Methods for trans-destabilization of specific proteins in vivo and dna molecules useful therefor |
DE9013311U1 (en) * | 1990-09-20 | 1990-11-29 | SAIA-Burgess Electronics GmbH & Co. (Germany) KG, 26127 Oldenburg | Electrical switching device |
DE19941553A1 (en) * | 1999-09-01 | 2001-03-15 | Ralph Jannaschk | Modular switch-cover made of two profile section halves has the two halves made of differently coloured plastics |
DE10013115C2 (en) * | 2000-03-17 | 2002-06-27 | Aeg Niederspannungstech Gmbh | Housing for an electromechanical switching device |
DE102011013180A1 (en) * | 2011-03-05 | 2012-09-06 | Volkswagen Ag | House-like component for key arrangement of control diaphragm that is arranged in region of e.g. instrument panel of motor car, has recesses for retaining projections such that connection is formed between component and another component |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB908097A (en) * | 1960-03-18 | 1962-10-17 | Christiansen Godtfred Kirk | Improvements in or relating to toy building sets and associated building elements |
CH409740A (en) * | 1963-03-26 | 1966-03-15 | Kirk Christiansen Godtfred | Element for model and play kits |
US3900712A (en) * | 1973-02-23 | 1975-08-19 | Brother Ind Ltd | Keyboard switch arrangement |
DE2552587A1 (en) * | 1975-11-24 | 1977-05-26 | Jens Freese | Interlocking building brick for toy sets - has metallic cover sections to give electrically conducting path |
GB2100930A (en) * | 1981-06-30 | 1983-01-06 | Interlego Ag | Electrical contact-making device |
EP0094839A1 (en) * | 1982-05-19 | 1983-11-23 | Hi-Tek Corporation | Dovetail base assembly for keyswitches |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2516527C3 (en) * | 1975-04-15 | 1978-05-11 | Rafi Raimund Finsterhoelzl Elektrotechnische Spezialfabrik, 7981 Berg | Keyboard composed of individual illuminated buttons |
-
1987
- 1987-09-16 DE DE19873731103 patent/DE3731103C1/en not_active Expired
-
1988
- 1988-09-09 EP EP88117187A patent/EP0312112A1/en not_active Withdrawn
- 1988-09-09 WO PCT/DE1988/000557 patent/WO1989002651A1/en not_active Application Discontinuation
- 1988-09-09 EP EP19880907609 patent/EP0333793A1/en not_active Withdrawn
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB908097A (en) * | 1960-03-18 | 1962-10-17 | Christiansen Godtfred Kirk | Improvements in or relating to toy building sets and associated building elements |
CH409740A (en) * | 1963-03-26 | 1966-03-15 | Kirk Christiansen Godtfred | Element for model and play kits |
US3900712A (en) * | 1973-02-23 | 1975-08-19 | Brother Ind Ltd | Keyboard switch arrangement |
DE2552587A1 (en) * | 1975-11-24 | 1977-05-26 | Jens Freese | Interlocking building brick for toy sets - has metallic cover sections to give electrically conducting path |
GB2100930A (en) * | 1981-06-30 | 1983-01-06 | Interlego Ag | Electrical contact-making device |
EP0094839A1 (en) * | 1982-05-19 | 1983-11-23 | Hi-Tek Corporation | Dovetail base assembly for keyswitches |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7332681B2 (en) | 2005-07-13 | 2008-02-19 | Trw Automotive Electronics & Components Gmbh & Co. Kg | Modular operating switch assembly |
Also Published As
Publication number | Publication date |
---|---|
DE3731103C1 (en) | 1988-11-24 |
WO1989002651A1 (en) | 1989-03-23 |
EP0333793A1 (en) | 1989-09-27 |
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