JPH0346441Y2 - - Google Patents
Info
- Publication number
- JPH0346441Y2 JPH0346441Y2 JP1985193164U JP19316485U JPH0346441Y2 JP H0346441 Y2 JPH0346441 Y2 JP H0346441Y2 JP 1985193164 U JP1985193164 U JP 1985193164U JP 19316485 U JP19316485 U JP 19316485U JP H0346441 Y2 JPH0346441 Y2 JP H0346441Y2
- Authority
- JP
- Japan
- Prior art keywords
- housing
- spring
- operation button
- button
- engagement groove
- 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
Links
- 239000002184 metal Substances 0.000 claims description 7
- 238000005452 bending Methods 0.000 claims description 5
- 230000037431 insertion Effects 0.000 claims description 4
- 238000003780 insertion Methods 0.000 claims description 4
- 239000000758 substrate Substances 0.000 description 2
- 210000000078 claw Anatomy 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
Landscapes
- Slide Switches (AREA)
- Switches With Compound Operations (AREA)
Description
【考案の詳細な説明】
[産業上の利用分野]
本考案は、操作釦の押圧でブザーを消去し、操
作釦の摺動で呼出時の音量の増減を行うポケツト
ベルのスイツチのように、操作釦の押圧と摺動と
によつてハウジング内に設けた固定接点の短絡と
固定接触子の選択的な切換え接続とを個別に行う
ようにしたプツシユスライドスイツチに関するも
のである。[Detailed description of the invention] [Industrial application field] The present invention can be operated by pressing the operation button to turn off the buzzer, and by sliding the operation button to increase or decrease the volume when a call is made. This invention relates to a push-slide switch in which short-circuiting of fixed contacts provided in a housing and selective switching connection of fixed contacts are individually performed by pressing and sliding a button.
[従来の技術]
一般に、この種プツシユスライドスイツチは、
イ操作釦を押圧しつつ摺動することによつて固定
接点を短絡させながら固定接触子の選択的な切換
え接続を行う機能と、ロ操作釦を押圧せずに摺動
することによつて固定接触子の選択的な切換え接
続だけを行う機能とが要求される。[Prior art] Generally, this type of push-slide switch is
(a) The function of selectively switching and connecting the fixed contacts while short-circuiting the fixed contacts by sliding the operation button while pressing it, and (b) the ability to fix the operation button by sliding it without pressing it. The ability to perform only selective switching connections of contacts is required.
従来のプツシユスライドスイツチは、上述の
イ,ロの両機能を満足させる必要があるため、操
作釦の押圧抵抗を小さくしてイの機能に重点をお
くか、押圧抵抗を大きくしてロの機能に重点をお
くかのいずれかに構成されていた。 Conventional push-slide switches must satisfy both functions A and B mentioned above, so either reduce the pressure resistance of the operation button and focus on function A, or increase the pressure resistance to focus on function B. It was structured to either focus on functionality.
[考案が解決しようとする問題点]
このため、操作釦の押圧抵抗を小さくしてイの
機能に重点をおいたものでは摺動時に操作釦が押
圧されて固定接点も短絡し、ロの機能を満足させ
ることができないという問題点があり、操作釦の
押圧抵抗を大きくしてロの機能に重点をおいたも
のでは、イの機能を満足させることができないと
いう問題点があつた。また、前述のイ,ロの両機
能を行なうためには操作プロツクの形状が大きく
なり易く、操作プロツクの形状が大きくなると、
操作釦の押圧抵抗のバランスが悪くなるという問
題点があつた。ここで操作ブロツクとは、操作釦
と、この操作釦に背面に突設された操作杆と、こ
の操作杆に連設され短絡片と可動片を移動する機
構(例えば連動板と連動突起)とを一体に成形し
てなるものをさす。[Problem to be solved by the invention] For this reason, if the pressing resistance of the operation button is reduced and emphasis is placed on the function (a), the operation button will be pressed during sliding and the fixed contacts will also be short-circuited, causing the function (b) to be short-circuited. There is a problem in that it is not possible to satisfy the function (B), and if the pressing resistance of the operation button is increased and emphasis is placed on the function (B), there is a problem in that the function (B) cannot be satisfied. In addition, in order to perform both of the above-mentioned functions (a) and (b), the shape of the operation block tends to become large, and as the shape of the operation block becomes large,
There was a problem in that the pressure resistance of the operation buttons became unbalanced. Here, the operation block includes an operation button, an operation rod protruding from the back of the operation button, and a mechanism (for example, an interlocking plate and an interlocking protrusion) that is connected to the operation rod and moves the shorting piece and the movable piece. Refers to a product formed by integrally molding.
本考案は上述の問題点に鑑みなされたもので、
前述のイ,ロの両機能を満足させることができ、
しかも操作ブロツクの形状が大きくなつても操作
釦の押圧抵抗のバランスをよくすることができる
プツシユスライドスイツチを提供せんとするもの
である。 This idea was created in view of the problems mentioned above.
Both functions A and B mentioned above can be satisfied,
Moreover, it is an object of the present invention to provide a push-slide switch that can improve the balance of the pressing resistance of the operation button even if the shape of the operation block becomes large.
[問題点を解決するための手段]
本考案によるプツシユスライドスイツチは、操
作釦の背面と前記ハウジングの前面との間に、前
記操作釦の押圧抵抗を大きくするために金属薄板
を折曲形成してなるばねを着脱可能に係合し、前
記ばねは、係合時において、前記操作釦の背面の
大部分と弾性的に接触する板状の第1係合部と、
この第1係合部の両側端から折返され、その先端
部をさらに折曲して、その折曲部が前記ハウジン
グの前面に弾性的に接触する第2係合部とを具備
してなり、第1係合部の中央部に前記操作杆に着
脱可能に係合する係合溝を形成し、この係合溝の
開口部の両端縁に、係合時において、前記係合溝
の係合解除方向の摺動を規制する係止突片を形成
してなることてを特徴とするものである。[Means for Solving the Problems] The push slide switch according to the present invention has a thin metal plate bent between the back surface of the operation button and the front surface of the housing in order to increase the pressing resistance of the operation button. a plate-shaped first engagement portion that removably engages a spring formed by the operation button, and the spring elastically contacts most of the back surface of the operation button when engaged;
and a second engaging part which is folded back from both ends of the first engaging part and whose tip part is further bent so that the bent part comes into elastic contact with the front surface of the housing, An engagement groove that removably engages with the operating rod is formed in the center of the first engagement part, and the engagement groove of the engagement groove is formed at both edges of the opening of the engagement groove when engaged. It is characterized by forming a locking protrusion that restricts sliding in the release direction.
[実施例]
第1図から第4図までは本考案の一実施例を示
すもので、これらの図において、1は底面を開口
した金属性のハウジングで、このハウジング1の
開口端縁には絶縁基板2を係止するために係止爪
3,3,3が形成されている。前記ハウジング1
の前板には挿入穴4が穿設され、背板には係合孔
5,5,5,5が穿設されている。前記絶縁基板
2には固定接点61,62と固定接触子71〜75と
が装着され、前記固定接触子71〜75には、これ
らを選択的に切換え接続するための可動片8が摺
動可能に嵌合されている。9はつまみ部9aと操
作板部9bとからなる操作釦で、この操作釦9の
操作板部9bの背面には前記挿入穴4を遊嵌状態
で貫通する操作杆10が突設され、この操作杆1
0の先端には連動板11と連動突起12とが連設
されている。前記操作釦9、操作杆10、連動板
11および連動突起12はプラスチツクで一体に
形成される。前記連動板11の背面には、前記固
定接点61,62を短絡するための短絡片13が固
着されている。前記連動突起12は、プラスチツ
クで形成されたスライダ14の嵌合凹部15に前
後方向に摺動可能に嵌合されている。前記連動突
起12には、コイルばね16を収容するととも
に、その一端側を係合するばね収容孔17が穿設
され、前記コイルばね16の他端側は前記スライ
ダ14の嵌合凹部15の背板部に穿設された貫通
孔18に遊嵌しつつ、球体19に係合し、この球
体19を前記ハウジング1の背板に押圧してい
る。これにより、前記操作釦9が前方向へ付勢さ
れている。前記スライダ14の嵌合凹部15の両
側板部には、コイルばね20,21を収納すると
ともに、その一端側を係合するばね収納孔22,
23が穿設され、前記コイルばね20,21の他
端側は球体24,25に係合し、この球体24,
25を前記ハウジング1の係合孔5,5に押圧係
合している。[Embodiment] Figures 1 to 4 show an embodiment of the present invention. In these figures, 1 is a metal housing with an open bottom, and the opening edge of the housing 1 has a Locking claws 3, 3, 3 are formed to lock the insulating substrate 2. The housing 1
An insertion hole 4 is formed in the front plate, and engagement holes 5, 5, 5, 5 are formed in the back plate. Fixed contacts 6 1 , 6 2 and fixed contacts 7 1 to 7 5 are mounted on the insulating substrate 2, and the fixed contacts 7 1 to 7 5 have movable contacts for selectively switching and connecting them. The pieces 8 are slidably fitted. Reference numeral 9 denotes an operation button consisting of a knob portion 9a and an operation plate portion 9b, and an operation rod 10 is protruded from the back side of the operation plate portion 9b of this operation button 9 and passes through the insertion hole 4 in a loosely fitted state. Operation rod 1
An interlocking plate 11 and an interlocking protrusion 12 are connected to the tip of the 0. The operating button 9, operating rod 10, interlocking plate 11 and interlocking protrusion 12 are integrally formed of plastic. A shorting piece 13 for shorting the fixed contacts 6 1 and 6 2 is fixed to the back surface of the interlocking plate 11 . The interlocking protrusion 12 is fitted into a fitting recess 15 of a slider 14 made of plastic so as to be slidable in the front-rear direction. The interlocking protrusion 12 is provided with a spring housing hole 17 for accommodating the coil spring 16 and engaging one end thereof, and the other end of the coil spring 16 is connected to the back of the fitting recess 15 of the slider 14. While loosely fitting into a through hole 18 bored in the plate part, it engages with a spherical body 19 and presses this spherical body 19 against the back plate of the housing 1. As a result, the operation button 9 is urged forward. In both side plate portions of the fitting recess 15 of the slider 14, there are spring storage holes 22, which accommodate coil springs 20, 21 and which engage one end side of the coil springs 20, 21.
23 is bored, and the other end sides of the coil springs 20, 21 engage with the spheres 24, 25.
25 are pressed into engagement with the engagement holes 5, 5 of the housing 1.
前記スライダ14の下部には前記固定接触子7
1〜75を遊嵌する遊嵌凹部26が形成され、この
遊嵌凹部26の中間には、第2図および第3図に
示すように、前記可動片8を収納する取付凹部2
7が形成されている。28は金属薄板を折曲形成
してなるばねで、このばね28は、前記操作釦9
の操作板部9bの背面の大部分と弾性的に接触す
る板状の第1係合部29と、この第1係合部29
の両側端から折り返され、その先端部をさらに折
曲してその折曲部が前記ハウジング1の前面と弾
性的に接触する第2係合部30とからなつてい
る。前記第1係合部29の中央部には前記操作杆
10に着脱可能に係合する係合溝31が形成さ
れ、さらに前記第1係合部29には前記係合溝3
1の係合解除方向の移動を規制する係止突片3
2,32が形成され、前記第2係合部30には、
第4図に示すように、ばね圧調整子33,33が
穿設されている。 The fixed contact 7 is provided at the bottom of the slider 14.
A loose fitting recess 26 into which the movable pieces 8 are loosely fitted is formed, and in the middle of the loose fitting recess 26, as shown in FIGS .
7 is formed. 28 is a spring formed by bending a thin metal plate, and this spring 28 is connected to the operation button 9.
a plate-shaped first engaging portion 29 that elastically contacts most of the back surface of the operation plate portion 9b;
The second engaging part 30 is folded back from both ends of the housing 1 and has a tip end further bent so that the bent part comes into elastic contact with the front surface of the housing 1. An engagement groove 31 that removably engages with the operating rod 10 is formed in the center of the first engagement part 29, and the engagement groove 3 is formed in the first engagement part 29.
A locking protrusion 3 that restricts movement in the disengagement direction of 1
2 and 32 are formed, and the second engaging portion 30 includes:
As shown in FIG. 4, spring pressure regulators 33, 33 are bored.
つぎに前記実施例の作用を説明する。 Next, the operation of the above embodiment will be explained.
(A) まず、始めに操作釦9を押圧せずに摺動する
ことによつて固定接触子71〜75の選択的な切
換え接続だけを行う場合について説明する。第
2図および第3図において、操作釦9を摺動さ
せると、この操作釦9と一体に形成された連動
突起12が摺動し、この連動突起12と嵌合す
るスライダ14が一体に移動し、スライダ14
の取付凹部27に収納された可動片8が摺動し
て固定接触子71〜75の所定間を選択的に切換
え接続する。このとき、操作釦9の背面とハウ
ジング1の前面との間に金属薄板を折曲形成し
てなるばね28が係合挿入されているので、操
作釦9の押圧抵抗が大きく、短絡片13が固定
接点61,62間を短絡することがない。(A) First, a case will be described in which only selective switching and connection of the fixed contacts 7 1 to 7 5 is performed by sliding the operation button 9 without pressing it. In FIGS. 2 and 3, when the operating button 9 is slid, the interlocking protrusion 12 formed integrally with the operating button 9 slides, and the slider 14 that fits with the interlocking protrusion 12 moves together. and slider 14
The movable piece 8 accommodated in the mounting recess 27 slides to selectively switch and connect the fixed contacts 7 1 to 7 5 at predetermined intervals. At this time, since the spring 28 formed by bending a thin metal plate is engaged and inserted between the back surface of the operation button 9 and the front surface of the housing 1, the pressing resistance of the operation button 9 is large, and the shorting piece 13 There is no short circuit between the fixed contacts 6 1 and 6 2 .
しかも、ばね28の第1係合部29は、操作
釦9の背面の大部分と弾性的に接触する板状に
形成され、第2係合部30の折曲部は、係合溝
31の両側でハウジング1の前面に弾性的に接
触しているので、ばね18と操作釦9の背面と
の接触面積が、ばね28とハウジング1の前面
との接触面積より大きくなる。また、第1係合
部29の係合突片32,32は係合溝31の係
合解除方向の移動を規制している。このため、
摺動時における操作釦9の移動がハウジング1
の前面とほぼ平行になつて揺れを抑えることで
き、安定した切換え接続が行われる。 Furthermore, the first engaging portion 29 of the spring 28 is formed into a plate shape that elastically contacts most of the back surface of the operation button 9, and the bent portion of the second engaging portion 30 is formed in the engaging groove 31. Since both sides are in elastic contact with the front surface of the housing 1, the contact area between the spring 18 and the back surface of the operation button 9 is larger than the contact area between the spring 28 and the front surface of the housing 1. Further, the engagement protrusions 32, 32 of the first engagement portion 29 restrict movement of the engagement groove 31 in the disengagement direction. For this reason,
The movement of the operation button 9 during sliding is caused by the movement of the housing 1.
The switch is almost parallel to the front surface of the switch, which suppresses shaking and provides a stable switching connection.
(B) つぎに、操作釦9を押圧しつつ摺動すること
によつて固定接点61,62間を短絡させながら
固定接触子71〜75の選択的な切換え接続を行
う場合について説明する。第2図および第3図
において、操作釦9の上側側面に係止している
ばね28の係止突片32,32の係止を解除し
つつ、ばね28を下方向へ摺動させ、ばね28
の係合溝31と操作釦9の操作杆10との係合
を解き、ばね28を抜き取る。このとき、ばね
28の係合溝31は操作釦9の操作杆10に摺
動可能に係合しているので、抜き取り時に、ば
ね28が操作杆10にきずをつけない。したが
つて、ばね28の装着時においても、ばね28
が操作杆10にきずをつけない。上述のよう
に、ばね28が抜き取られると操作釦9の押圧
抵抗が小さくなる。このため、そうさ釦9を押
圧しつつ摺動させると、短絡片13が固定接点
61,62間を短絡しつつ、可動片8が固定接触
子71〜75の所定間を切換え接続する。(B) Next, let us consider the case where the fixed contacts 7 1 to 7 5 are selectively switched and connected while short-circuiting between the fixed contacts 6 1 and 6 2 by pressing and sliding the operation button 9. explain. 2 and 3, while releasing the locking protrusions 32, 32 of the spring 28 that is locked to the upper side surface of the operation button 9, the spring 28 is slid downward, and the spring 28 is released. 28
The engagement groove 31 of the operating button 9 is disengaged from the operating rod 10 of the operating button 9, and the spring 28 is removed. At this time, since the engagement groove 31 of the spring 28 is slidably engaged with the operating rod 10 of the operating button 9, the spring 28 will not damage the operating rod 10 when it is removed. Therefore, even when the spring 28 is attached, the spring 28
will not damage the operating rod 10. As described above, when the spring 28 is removed, the pressing resistance of the operation button 9 becomes smaller. Therefore, when the button 9 is pressed and slid, the shorting piece 13 short-circuits between the fixed contacts 6 1 and 6 2 while the movable piece 8 switches between the fixed contacts 7 1 to 7 5 for a predetermined period. Connecting.
[考案の効果]
本考案によるプツシユスライドスイツチは、上
記のように操作釦の背面とハウジングの前面との
間に、操作釦の押圧抵抗を大きくするために金属
薄板を折曲形成してなるばねを着脱可能に係合す
るように構成したので、このばねを着脱すること
によつて、押圧せずに摺動するだけの機能と、押
圧とともに摺動する機能との両機能を満足させる
ことができる。さらに詳しくは、金属薄板を折曲
形成してなるばねを装着することによつて押圧抵
抗を大きくし、摺動するだけの操作時に誤つて押
圧することが防止され、かつ、ばねを抜き取るこ
とによつて押圧抵抗を小さくし、押圧しつつ摺動
するときの操作が容易となる。[Effects of the invention] As described above, the push slide switch according to the invention is formed by bending a thin metal plate between the back of the operation button and the front of the housing in order to increase the pressing resistance of the operation button. Since the spring is configured to be removably engaged, by attaching and detaching this spring, it is possible to satisfy both the function of simply sliding without pressing and the function of sliding with pressing. I can do it. More specifically, by installing a spring made by bending a thin metal plate, the pressing resistance is increased, and it is possible to prevent erroneous pressing during a sliding operation, and also to prevent the spring from being removed. Therefore, the pressing resistance is reduced, and the operation when sliding while pressing is facilitated.
しかも、ばねの第1、第2係合部の構成によつ
て、ばねと操作釦の背面との接触面積を、ばねと
ハウジングの前面との接触面積より大きくすると
ともに、第1係合部の係止突片によつて係合溝の
係合解除方向の移動を規制しているので、摺動時
における操作釦の移動がハウジングの前面とほぼ
平行になり揺れるを抑えることができる。このた
め、操作ブロツクの形状が大きくなつても、着脱
可能なばねを装着するという簡単な構成で、操作
釦の摺動時における押圧抵抗のバランスをよくし
て、安定した切換え接続を行うことができる。な
お、操作ブロツクとは、実施例においては、プラ
スチツクで一体に成形された操作釦9、操作杆1
0、連動板11、および連動突起12をさす。 Furthermore, due to the configuration of the first and second engaging parts of the spring, the contact area between the spring and the back surface of the operation button is made larger than the contact area between the spring and the front face of the housing, and the first engaging part Since the locking protrusion restricts the movement of the engagement groove in the disengagement direction, the movement of the operation button during sliding is substantially parallel to the front surface of the housing, thereby suppressing shaking. Therefore, even if the shape of the operation block becomes larger, it is possible to achieve a stable switching connection by maintaining a good balance of pressure resistance when the operation button slides, with a simple configuration of attaching a removable spring. can. In addition, in the embodiment, the operation block refers to the operation button 9 and the operation rod 1 that are integrally molded of plastic.
0 refers to the interlocking plate 11 and interlocking protrusion 12.
第1図から第4図までは本考案によるプツシユ
スライドスイツチの一実施例を示すもので、第1
図は分解斜視図、第2図は一部切欠き平面図、第
3図は第2図のA−A線断面図、第4図は第1図
のばねの背面図である。
1……ハウジング、4……挿入穴、61,62…
…固定接点、71〜75……固定接触子、8……可
動片、9……操作釦、10……操作杆、13……
短絡片、28……ばね、29……第1係合部、3
0……第2係合部、31……係合溝、32……係
止突片。
1 to 4 show one embodiment of the push slide switch according to the present invention.
2 is an exploded perspective view, FIG. 2 is a partially cutaway plan view, FIG. 3 is a cross-sectional view taken along the line A--A in FIG. 2, and FIG. 4 is a rear view of the spring in FIG. 1. 1... Housing, 4... Insertion hole, 6 1 , 6 2 ...
... Fixed contact, 7 1 to 7 5 ... Fixed contact, 8 ... Movable piece, 9 ... Operation button, 10 ... Operation rod, 13 ...
Shorting piece, 28... Spring, 29... First engaging portion, 3
0... Second engaging portion, 31... Engaging groove, 32... Locking protrusion.
Claims (1)
の前面に形成した挿入穴を介して前記ハウジング
内へ挿入し、前記操作釦の押圧と摺動とによつて
前記操作杆と一体に移動する短絡片と可動片と
で、前記ハウジング内に設けた固定接点の短絡と
固定接触子の選択的な切換え接続とを行なうよう
にしたプツシユスライドスイツチにおいて、 前記操作釦の背面と前記ハウジングの前面との
間に、前記操作釦の押圧抵抗を大きくするために
金属薄板を折曲形成してなるばねを着脱可能に係
合し、前記ばねは、係合時において、前記操作釦
の背面の大部分と弾性的に接触する板状の第1係
合部と、この第1係合部の両側端から折返され、
その先端部をさらに折曲して、その折曲部が前記
ハウジングの前面に弾性的に接触する第2係合部
とを具備してなり、第1係合部の中央部に前記操
作杆に着脱可能に係合する係合溝を形成し、この
係合溝の開口部の両端縁に、係合時において、前
記係合溝の係合解除方向の移動を規制する係止突
片を形成してなることを特徴とするプツシユスラ
イドスイツチ。[Claims for Utility Model Registration] An operating rod protruding from the back of an operating button is inserted into the housing through an insertion hole formed on the front of the housing, and the operating button is pressed and slid. In the push-slide switch, the short-circuiting piece and the movable piece move together with the operating rod to short-circuit a fixed contact provided in the housing and selectively switch and connect the fixed contact. A spring formed by bending a thin metal plate is removably engaged between the back surface of the button and the front surface of the housing in order to increase the pressing resistance of the operation button, and the spring is removably engaged when engaged. , a plate-shaped first engaging part that elastically contacts most of the back surface of the operation button, and folded back from both ends of the first engaging part,
The distal end portion thereof is further bent, and the bent portion is provided with a second engaging portion that elastically contacts the front surface of the housing, and a central portion of the first engaging portion is provided with a second engaging portion that is connected to the operating rod. An engagement groove that is removably engaged is formed, and locking protrusions that restrict movement of the engagement groove in the disengagement direction during engagement are formed on both edges of the opening of the engagement groove. A push slide switch that is characterized by the following:
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1985193164U JPH0346441Y2 (en) | 1985-12-16 | 1985-12-16 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1985193164U JPH0346441Y2 (en) | 1985-12-16 | 1985-12-16 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS62100652U JPS62100652U (en) | 1987-06-26 |
JPH0346441Y2 true JPH0346441Y2 (en) | 1991-10-01 |
Family
ID=31148931
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1985193164U Expired JPH0346441Y2 (en) | 1985-12-16 | 1985-12-16 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH0346441Y2 (en) |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5316879B2 (en) * | 1973-12-07 | 1978-06-03 |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS52138277U (en) * | 1976-04-15 | 1977-10-20 | ||
JPS5827455Y2 (en) * | 1976-07-23 | 1983-06-15 | 松下電器産業株式会社 | switching device |
JPS59186932U (en) * | 1983-05-31 | 1984-12-12 | 日本電気株式会社 | switch |
-
1985
- 1985-12-16 JP JP1985193164U patent/JPH0346441Y2/ja not_active Expired
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5316879B2 (en) * | 1973-12-07 | 1978-06-03 |
Also Published As
Publication number | Publication date |
---|---|
JPS62100652U (en) | 1987-06-26 |
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