JP2532868Y2 - Push button switch with LED - Google Patents

Push button switch with LED

Info

Publication number
JP2532868Y2
JP2532868Y2 JP1990082752U JP8275290U JP2532868Y2 JP 2532868 Y2 JP2532868 Y2 JP 2532868Y2 JP 1990082752 U JP1990082752 U JP 1990082752U JP 8275290 U JP8275290 U JP 8275290U JP 2532868 Y2 JP2532868 Y2 JP 2532868Y2
Authority
JP
Japan
Prior art keywords
led
lower case
case
contact
stem
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 - Fee Related
Application number
JP1990082752U
Other languages
Japanese (ja)
Other versions
JPH0440432U (en
Inventor
鏡一 金子
充弘 岡田
鉄三 加藤
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.)
Alps Alpine Co Ltd
Original Assignee
Alps Electric Co Ltd
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 Alps Electric Co Ltd filed Critical Alps Electric Co Ltd
Priority to JP1990082752U priority Critical patent/JP2532868Y2/en
Priority to KR2019900019193U priority patent/KR930002067Y1/en
Publication of JPH0440432U publication Critical patent/JPH0440432U/ja
Application granted granted Critical
Publication of JP2532868Y2 publication Critical patent/JP2532868Y2/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H13/00Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch
    • H01H13/02Details
    • H01H13/023Light-emitting indicators
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H13/00Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch
    • H01H13/02Details
    • H01H13/04Cases; Covers
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H13/00Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch
    • H01H13/02Details
    • H01H13/26Snap-action arrangements depending upon deformation of elastic members
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2219/00Legends
    • H01H2219/002Legends replaceable; adaptable
    • H01H2219/014LED

Description

【考案の詳細な説明】 [産業上の利用分野] 本考案は、例えばコンピュータやワードプロセツサ等
の各種入力装置に用いられるLED付き押釦スイツチに関
し、特にLEDの取付け構造に係わる。
DETAILED DESCRIPTION OF THE INVENTION [Industrial Application Field] The present invention relates to a push button switch with an LED used for various input devices such as a computer and a word processor, and particularly relates to an LED mounting structure.

[従来の技術] 従来、下ケースと、これと結合される上ケースと、下
ケースに設けられ相対向して配置される可動接点及び固
定接点と、上、下ケース間に移動自在に設けたステム
と、該ステムを上向きに付勢するスプリングと、該ステ
ムの近傍を照光するLEDを有するLED付きの押釦スイツチ
がある。この押釦スイツチにあつてLEDの取付けは、LED
の端子が長くて変形し易いため、従来は上ケースをかぶ
せる前に手作業で下ケースに取付けていた。
[Prior Art] Conventionally, a lower case, an upper case coupled thereto, a movable contact and a fixed contact provided in the lower case and opposed to each other, and movably provided between the upper and lower cases. There is a stem, a spring for urging the stem upward, and a pushbutton switch with an LED having an LED for illuminating the vicinity of the stem. The LED is attached to this push button switch using the LED
Because the terminals are long and easily deformed, they have conventionally been manually attached to the lower case before covering the upper case.

[考案が解決しようとする課題] ところが、LEDの取付けを上ケースをかぶせる前に手
作業で行うと、取付け時に可動接点、或いは固定接点の
接点部にゴミ等の異物が付着し易く、接点不良を起す危
険性があつた。
[Problem to be Solved by the Invention] However, if the LED is manually mounted before the upper case is covered, foreign matter such as dust easily adheres to the contact portion of the movable contact or the fixed contact at the time of mounting, and the contact is defective. There was a danger of causing.

本考案は上記のような従来の課題を解決しようとする
ものであり、本考案の目的は、LEDの取付け時に可動接
点、或いは固定接点の接点部にゴミ等の異物の付着を未
然に防止したLED付き押釦スイツチを提供しようとする
ものである。
The purpose of the present invention is to solve the above-mentioned conventional problems. The purpose of the present invention is to prevent foreign matter such as dust from adhering to the contact portion of a movable contact or a fixed contact when mounting an LED. It is intended to provide a push button switch with an LED.

[課題を解決するための手段] 本考案は、上記のような目的を達成するために、下ケ
ースと、これと結合される上ケースと、下ケースに設け
られ相対向して配置される可動接点及び固定接点と、
上,下ケース間に移動自在に設けられたステムと、該ス
テムを上向きに付勢するスプリングと、該ステムの近傍
を照光するLEDを有するLED付き押釦スイツチにおいて、
前記上ケースの上面にLED挿入孔を設けると共に、側面
にスリツトを介して弾性舌片を形成し、該弾性舌片の内
面、及び下ケースのLED収納部を形成する区画壁の側面
の少なくとも一方にLEDを係止する鈎部を設け、前記弾
性舌片を前記区画壁に対向させた状態で、前記上ケース
と前記下ケースとを組み合わせて前記LED収納部を構成
し、LEDが前記上ケースのLED挿通孔に挿通され、前記LE
D収納部に位置したLEDが前記鈎部に係止されると共に、
前記弾性舌片で弾圧されるようにした構成としてある。
Means for Solving the Problems In order to achieve the above object, the present invention provides a lower case, an upper case coupled thereto, and a movable case provided in the lower case and opposed to each other. Contacts and fixed contacts;
A stem provided movably between the upper and lower cases, a spring for urging the stem upward, and a pushbutton switch with LED having an LED for illuminating the vicinity of the stem;
An LED insertion hole is provided on the upper surface of the upper case, and an elastic tongue is formed on the side surface through a slit. At least one of the inner surface of the elastic tongue and the side surface of the partition wall forming the LED housing portion of the lower case. The LED case is configured by combining the upper case and the lower case in a state where a hook portion for locking the LED is provided, and the elastic tongue is opposed to the partition wall. LED insertion hole, the LE
D While the LED located in the storage section is locked by the hook,
The elastic tongue is configured to be elastically pressed.

[作用] 本考案によれば、上ケースを下ケースに結合した状態
において、LEDを上ケースの挿入孔から下ケースに挿入
して取付けられるので、ゴミ等の異物が下ケースの可動
接点,固定接点に付着するものを未然に防ぐことが出
来、而もLEDの取付け時に上部ケースに形成した弾性舌
片は外側に弾性変形するので、LEDの取付けは容易であ
り、組立ての自動化が可能で、作業性が従来に比し向上
した。
[Operation] According to the present invention, in a state where the upper case is connected to the lower case, the LED is inserted into the lower case from the insertion hole of the upper case and is attached. It is possible to prevent things from adhering to the contacts beforehand, and since the elastic tongue formed on the upper case at the time of mounting the LED is elastically deformed outward, the mounting of the LED is easy and the assembly can be automated, Workability has been improved compared to the past.

[実施例] 以下に、本考案の実施例を添付の図面に基づき説明す
る。
Hereinafter, an embodiment of the present invention will be described with reference to the accompanying drawings.

第1図〜第5図は本考案の実施例の説明図で、第1図
は断面図、第2図はLEDの取付け構造を示す分解斜視
図、第3図(イ),(ロ),(ハ)はLEDの取付け工程
の説明図、第4図(イ),(ロ)は接点の切換え構造を
示す要部断面図、第5図(イ),(ロ)は可動接点及び
固定接点の斜視図である。
1 to 5 are explanatory views of an embodiment of the present invention. FIG. 1 is a sectional view, FIG. 2 is an exploded perspective view showing an LED mounting structure, and FIGS. 3 (a), (b), and (b). (C) is an explanatory view of an LED mounting process, FIGS. 4 (a) and 4 (b) are cross-sectional views of a main part showing a contact switching structure, and FIGS. 5 (a) and 5 (b) are movable contacts and fixed contacts. It is a perspective view of.

図面において1は下ケース、2は上ケース、3はステ
ムで、基部4の上面に上ケース2の挿通孔5に挿通可能
な突出部6が突設され、上記基部4の下面には下ケース
1との間に配設されるスプリング7の上端を支持する凹
穴8が設けられている。さらに、基部4の側面には後述
する可動接点9を動作するための傾斜部10が形成されて
いる。
In the drawings, reference numeral 1 denotes a lower case, 2 denotes an upper case, and 3 denotes a stem. A protruding portion 6 which can be inserted into the insertion hole 5 of the upper case 2 is provided on the upper surface of the base 4 and the lower case is provided on the lower surface of the base 4. 1 is provided with a concave hole 8 for supporting an upper end of a spring 7 disposed therebetween. Further, an inclined portion 10 for operating a movable contact 9 described later is formed on a side surface of the base 4.

11は固定接点で、例えば黄銅などの良導性の金属板か
ら成り、この固定接点11と一体に形成された端子11aを
下ケース1の透孔に挿通した状態で下ケース1に固定さ
れている。
Reference numeral 11 denotes a fixed contact, which is made of a metal plate of good conductivity such as brass, for example, and is fixed to the lower case 1 with a terminal 11a formed integrally with the fixed contact 11 being inserted into a through hole of the lower case 1. I have.

前記した可動接点9は、例えばステンレス鋼やリン青
銅などの弾性に優れた良導電性の金属薄板から成り、基
部12と、該基部12の略中央部より下向きに垂設された連
結部13と、この連結部13の先端部を上向きに折り返して
成る接点部14と、この接点部13の左右両側に形成された
ステム当接部15aを設けた弾性腕15と、取付部16とが一
体に形成されている。この可動接点9は、基部12の一端
より下向きに垂設された端子12aを下ケース1の透孔に
嵌挿し、その先端部を下ケース1外に突出せしめた状態
において下ケース1に固定されている。
The movable contact 9 is made of a highly conductive thin metal plate having excellent elasticity, such as stainless steel or phosphor bronze, and has a base 12 and a connecting portion 13 vertically extending downward from a substantially central portion of the base 12. A contact portion 14 formed by folding the distal end of the connecting portion 13 upward, an elastic arm 15 having stem contact portions 15a formed on both left and right sides of the contact portion 13, and a mounting portion 16 are integrally formed. Is formed. The movable contact 9 is fixed to the lower case 1 in a state in which a terminal 12a vertically hanging downward from one end of the base 12 is inserted into a through-hole of the lower case 1 and its tip protrudes out of the lower case 1. ing.

前記した下ケース1には区画壁17で区画されたLED収
納部18が設けられ、この区画壁17の側面には下方に向つ
て肉厚となるテーパ面19を有する一対の鈎部20が設けら
れている。また前記した上ケース2の側面板2aにはスリ
ツト例えば一対のスリツト21を設け、このスリツト21の
間に弾性舌片22と形成している。23はLEDで、発光部23a
と横方向に張り出した鍔部23bを有し、下面から一対の
端子24が導出されている。
The lower case 1 is provided with an LED storage section 18 partitioned by a partition wall 17, and a pair of hooks 20 having a tapered surface 19 which is thicker downward is provided on a side surface of the partition wall 17. Have been. A slit, for example, a pair of slits 21 is provided on the side plate 2 a of the upper case 2, and an elastic tongue 22 is formed between the slits 21. 23 is an LED, a light emitting part 23a
And a flange portion 23b extending laterally, and a pair of terminals 24 is led out from the lower surface.

上記した上ケース2と下ケース1とは、下ケース1に
設けた鈎部25に上ケース2に設けた突起26を係合するこ
とにより結合される。
The above-described upper case 2 and lower case 1 are joined by engaging a projection 26 provided on the upper case 2 with a hook 25 provided on the lower case 1.

次にLED23の取付け手順を第3図に用いて説明する。 Next, the procedure for mounting the LED 23 will be described with reference to FIG.

LED23の取付けは、上ケース2と下ケース1が結合さ
れた状態で行われ、(イ)図の状態からLED23を上ケー
ス2の挿通孔27に端子24から挿入し下部ケース1の透孔
1aに挿入する。この際に、(ロ)図に示すようにLED23
の一面の鍔部23bの下縁が下ケース1の鈎部20のテーパ
面19に乗り上げ、LED23の他面は弾性舌片22を左方に弾
性変形させながら進入し、やがて(ハ)図に示すように
鍔部23bの下縁が鈎部20の下方に抜け出て鍔部23bの下面
が下ケース1の突部1bに係止すると、弾性舌片2は自己
の有する復元力によつて復元し、LED23の他面を右方に
押すので、鍔部23bの上面が鈎部20の下面に係止された
状態でLED23は保持される。従つてLED23は上方へ抜け出
ることなくその位置にセツトされる。
The LED 23 is mounted in a state where the upper case 2 and the lower case 1 are connected. The LED 23 is inserted into the insertion hole 27 of the upper case 2 from the terminal 24 from the state shown in FIG.
Insert into 1a. At this time, as shown in (b), LED23
The lower edge of the flange 23b on one surface rides on the tapered surface 19 of the hook portion 20 of the lower case 1, and the other surface of the LED 23 enters the elastic tongue 22 while elastically deforming the elastic tongue 22 to the left. As shown, when the lower edge of the flange portion 23b comes out below the hook portion 20 and the lower surface of the flange portion 23b is engaged with the projection 1b of the lower case 1, the elastic tongue 2 is restored by its own restoring force. Then, the other surface of the LED 23 is pushed rightward, so that the LED 23 is held in a state where the upper surface of the flange portion 23b is locked to the lower surface of the hook portion 20. Therefore, the LED 23 is set at that position without falling out.

次に、スイツチの切換え動作を第4図を用いて説明す
る。
Next, the switching operation of the switch will be described with reference to FIG.

この押釦スイツチは、突出部6が押圧される以前の待
機状態においては、第4図(イ)に示すように、ステム
3がスプリング7によつて最上部まで上昇されており、
ステム3の傾斜部10が可動接点9のステム当接部15aと
圧接しているため、可動接点9の接点部14の接点14aが
自己の弾性によつて、固定接点11から離隔している。
In a standby state before the protruding portion 6 is pressed, the push button switch has the stem 3 raised to the uppermost position by the spring 7 as shown in FIG.
Since the inclined portion 10 of the stem 3 is in pressure contact with the stem contact portion 15a of the movable contact 9, the contact 14a of the contact portion 14 of the movable contact 9 is separated from the fixed contact 11 by its own elasticity.

この状態から突出部6を押圧し、スプリング7の弾性
に抗してステム3を下降すると、第4図(ロ)に示すよ
うに、ステム3の傾斜部10に沿つて可動接点9のステム
当接部15及び接点部14が固定接点11の側に移動し、ステ
ム3が最上部近傍まで下降した段階で、可動接点9の接
点部14の接点14aと固定接点11との接続が行われる。そ
して、ステム3の押圧力を解除すれば、スプリング7の
復元力によつてステム3が上昇し、第4図(イ)の状態
に復帰し可動接点14の接点14aと固定接点16の接続が再
度解除される。
When the protruding portion 6 is pressed from this state and the stem 3 is lowered against the elasticity of the spring 7, as shown in FIG. When the contact portion 15 and the contact portion 14 move toward the fixed contact 11 and the stem 3 descends to the vicinity of the uppermost portion, the connection between the contact 14a of the contact portion 14 of the movable contact 9 and the fixed contact 11 is performed. Then, when the pressing force of the stem 3 is released, the stem 3 rises by the restoring force of the spring 7 and returns to the state shown in FIG. 4A, and the connection between the contact 14a of the movable contact 14 and the fixed contact 16 is established. It will be released again.

本考案のLED付き押釦スイツチの実施例は上述のよう
な構造を有し、LED23は下ケース1と上ケース2を結合
した状態で取付けられるので、LED23の取付け工程にお
いて上ケース2からほこり等の異物が可動接点9或いは
固定接点11の接点部に付着して起きる接触不良を未然に
防止することが出来る。
The embodiment of the push button switch with LED of the present invention has the above-described structure, and the LED 23 is mounted in a state where the lower case 1 and the upper case 2 are combined. It is possible to prevent a contact failure caused by a foreign substance adhering to the contact portion of the movable contact 9 or the fixed contact 11.

また、LED23の取付けは、上ケース2の挿通孔27に挿
入する1動作で自動的に行われるので、自動機への適用
が可能となり、従来に比し作業性が向上した。
In addition, since the LED 23 is automatically mounted by one operation of inserting the LED 23 into the insertion hole 27 of the upper case 2, the LED 23 can be applied to an automatic machine, and the workability is improved as compared with the related art.

なお、上記の実施例では鈎部20を下ケース1の区画壁
17の側面に設けたが、弾性舌片22に設けても同一の作業
効果を有する。
In the above embodiment, the hooks 20 are used as the partition walls of the lower case 1.
Although provided on the side surface of 17, the same working effect can be obtained even if provided on the elastic tongue piece 22.

[考案の効果] 本考案によれば、上ケースと下ケースとを結合した状
態でLEDの挿入が可能であるので、LEDの取付け工程でほ
こり等の異物が可動接点或いは固定接点に付着して接触
不良を起すことはない。
[Effects of the Invention] According to the present invention, it is possible to insert an LED in a state where the upper case and the lower case are connected, so that foreign matter such as dust adheres to the movable contact or the fixed contact during the LED mounting process. It does not cause poor contact.

また、LEDの取付けは、LEDを上ケースの挿入孔から挿
入するという1動作で自動的に行われるので、自動機へ
の適用が可能となり、従来に比し作業能率が向上した。
Further, since the LED is automatically mounted by one operation of inserting the LED from the insertion hole of the upper case, application to an automatic machine becomes possible, and work efficiency is improved as compared with the conventional case.

【図面の簡単な説明】[Brief description of the drawings]

第1図〜第5図は何れも本考案の実施例を示し、第1図
は断面図、第2図はLEDの取付け構造を示す分解斜視
図、第3図(イ),(ロ),(ハ)はLEDの取付け手順
の説明図、第4図(イ),(ロ)は接点の切換え構造を
示す要部断面図、第5図(イ),(ロ)は可動接点及び
固定接点の斜視図である。 1……下ケース、2……上ケース、3……ステム、9…
…可動接点、11……固定接点、17……区画壁、18……LE
D収納部、20……鈎部、21……スリツト、22……弾性舌
片、23……LED、27……LED挿通孔。
1 to 5 show embodiments of the present invention. FIG. 1 is a sectional view, FIG. 2 is an exploded perspective view showing an LED mounting structure, and FIGS. 3 (a), (b), and (b). (C) is an explanatory view of the procedure for mounting the LED, FIGS. 4 (a) and 4 (b) are cross-sectional views of a main part showing a contact switching structure, and FIGS. 5 (a) and 5 (b) are movable and fixed contacts. It is a perspective view of. 1 ... lower case, 2 ... upper case, 3 ... stem, 9 ...
… Movable contacts, 11… fixed contacts, 17… partition walls, 18… LE
D storage part, 20 hook part, 21 slit, 22 elastic tongue, 23 LED, 27 LED insertion hole.

Claims (1)

(57)【実用新案登録請求の範囲】(57) [Scope of request for utility model registration] 【請求項1】下ケースと、これと結合される上ケース
と、下ケースに設けられ相対向して配置される可動接点
及び固定接点と、上,下ケース間に移動自在に設けられ
たステムと、該ステムを上向きに付勢するスプリング
と、該ステムの近傍を照光するLEDを有するLED付き押釦
スイッチにおいて、 前記上ケースの上面にLED挿通孔を設けると共に、側面
にスリットを介して弾性舌片を形成し、前記弾性舌片の
内面、及び下ケースのLED収納部を形成する区画壁の側
面の少なくとも一方にLEDを係止する鈎部を設け、 前記弾性舌片を前記区画壁に対向させた状態で、前記上
ケースと前記下ケースとを組み合わせて前記LED収納部
を構成し、LEDが前記上ケースのLED挿通孔に挿通され、
前記LED収納部に位置したLEDが前記鈎部に係止されると
共に、前記弾性舌片で弾圧されるようにしたことを特徴
とするLED付き押釦スイッチ。
1. A lower case, an upper case coupled thereto, a movable contact and a fixed contact provided on the lower case and opposed to each other, and a stem movably provided between the upper and lower cases. A spring for urging the stem upward, and an LED push button switch having an LED for illuminating the vicinity of the stem, wherein an LED insertion hole is provided on the upper surface of the upper case, and an elastic tongue is provided on a side surface through a slit. A hook is formed on at least one of the inner surface of the elastic tongue and the side surface of the partition wall forming the LED storage portion of the lower case, and the elastic tongue opposes the partition wall. In this state, the upper case and the lower case are combined to form the LED storage unit, and the LED is inserted into the LED insertion hole of the upper case,
A push button switch with an LED, wherein the LED located in the LED storage portion is locked by the hook portion and resiliently pressed by the elastic tongue.
JP1990082752U 1990-08-06 1990-08-06 Push button switch with LED Expired - Fee Related JP2532868Y2 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP1990082752U JP2532868Y2 (en) 1990-08-06 1990-08-06 Push button switch with LED
KR2019900019193U KR930002067Y1 (en) 1990-08-06 1990-12-06 Push button switch

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1990082752U JP2532868Y2 (en) 1990-08-06 1990-08-06 Push button switch with LED

Publications (2)

Publication Number Publication Date
JPH0440432U JPH0440432U (en) 1992-04-06
JP2532868Y2 true JP2532868Y2 (en) 1997-04-16

Family

ID=13783170

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1990082752U Expired - Fee Related JP2532868Y2 (en) 1990-08-06 1990-08-06 Push button switch with LED

Country Status (2)

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JP (1) JP2532868Y2 (en)
KR (1) KR930002067Y1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
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KR20150135295A (en) * 2013-03-28 2015-12-02 젯트에프 프리드리히스하펜 아게 Key module for a keyboard key and method for producing a key module for a keyboard key

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KR20020030635A (en) * 2000-10-19 2002-04-25 박경주 Cooking vessel having far-infrared radiating ceramics within cooking plate
KR20010044740A (en) * 2001-03-21 2001-06-05 배정민 Roast grill
KR100415159B1 (en) * 2001-05-21 2004-01-13 윤용권 cookware and method for manfacturing the cookware
CN105355496A (en) * 2015-11-24 2016-02-24 东莞市高特电子有限公司 Hall principle based LED lamp mechanical keyboard switch
CN214012792U (en) * 2021-01-27 2021-08-20 深圳市谷粒科技有限公司 Game paddle push-button

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5841935U (en) * 1981-09-14 1983-03-19 アルプス電気株式会社 illuminated push button switch
JPS5929059U (en) * 1982-08-14 1984-02-23 パイオニア株式会社 Light emitting diode mounting device
JPS5974621U (en) * 1982-11-11 1984-05-21 アルプス電気株式会社 illuminated push button switch
JPH0334935Y2 (en) * 1984-09-19 1991-07-24

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20150135295A (en) * 2013-03-28 2015-12-02 젯트에프 프리드리히스하펜 아게 Key module for a keyboard key and method for producing a key module for a keyboard key
KR102106070B1 (en) * 2013-03-28 2020-04-29 체리 게엠베하 Key module for a keyboard key and method for producing a key module for a keyboard key

Also Published As

Publication number Publication date
KR930002067Y1 (en) 1993-04-24
KR920005238U (en) 1992-03-26
JPH0440432U (en) 1992-04-06

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