JP2579641Y2 - Switch - Google Patents
SwitchInfo
- Publication number
- JP2579641Y2 JP2579641Y2 JP1990403271U JP40327190U JP2579641Y2 JP 2579641 Y2 JP2579641 Y2 JP 2579641Y2 JP 1990403271 U JP1990403271 U JP 1990403271U JP 40327190 U JP40327190 U JP 40327190U JP 2579641 Y2 JP2579641 Y2 JP 2579641Y2
- Authority
- JP
- Japan
- Prior art keywords
- movable contact
- contact portion
- molded body
- fixed contact
- fixed
- 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
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H11/00—Apparatus or processes specially adapted for the manufacture of electric switches
- H01H11/0056—Apparatus or processes specially adapted for the manufacture of electric switches comprising a successive blank-stamping, insert-moulding and severing operation
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Manufacture Of Switches (AREA)
- Push-Button Switches (AREA)
- Contacts (AREA)
Description
【０００１】[0001]
【産業上の利用分野】本考案は、固定接点部に対して可
動接点部の可動接片を離接するようにしたスイツチに関
する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a switch in which a movable contact piece of a movable contact portion is separated from and connected to a fixed contact portion.
【０００２】[0002]
【従来の技術】図７は従来のスイツチの組立前の状態を
示す説明図で、このスイツチは固定接点部１と可動接点
部２と箱状のケース３とから主に構成されている。この
固定接点部１には例えば０．３５ｍｍ厚の板材から形成
され、２個の固定接点１ａ，１ａと端子１ｂとが設けら
れている。可動接点部２には前記固定接点１ａ，１ａに
離接する可動接片２ａ，２ａと、この可動接片２ａ，２
ａと一体形成された端子２ｂ，２ｂと、インサート成形
された成形体２ｃとが設けられている。これらの固定接
点部１と可動接点部２の端子１ｂ，２ｂをケース３の挿
入孔に別々に圧入して組立てていた。2. Description of the Related Art FIG. 7 is an explanatory view showing a state before a conventional switch is assembled. This switch mainly comprises a fixed contact portion 1, a movable contact portion 2, and a box-shaped case 3. The fixed contact portion 1 is formed of, for example, a plate material having a thickness of 0.35 mm, and is provided with two fixed contacts 1a, 1a and a terminal 1b. The movable contact 2 has movable contacts 2a, 2a separated from and connected to the fixed contacts 1a, 1a, and movable contacts 2a, 2a.
Terminals 2b, 2b integrally formed with the terminal a, and a molded body 2c formed by insert molding are provided. The terminals 1b and 2b of the fixed contact portion 1 and the movable contact portion 2 are separately press-fitted into the insertion holes of the case 3 and assembled.
【０００３】[0003]
【考案が解決しようとする課題】ところで、前記従来技
術では、可動接片２ａを固定接点１ａに対して離接させ
るので可動接片２ａは弾性を有するように例えば０．１
ｍｍ程度の板材で形成していた。したがつて、可動接片
２ａと一体形成される端子２ｃも同様の板厚（０．１ｍ
ｍ）となり、組立時にケース３の挿入孔に挿入する際、
端子２ｃが折れ曲がつて組立に支障が生じたり、接点の
切換動作の信頼性が低下する虞れがあつた。また、組立
工数が多くて手間がかかり、コスト高となつた。In the prior art, since the movable contact piece 2a is separated from and brought into contact with the fixed contact 1a, the movable contact piece 2a has elasticity, for example, 0.1 mm.
It was formed of a plate material of about mm. Accordingly, the terminal 2c integrally formed with the movable contact piece 2a has the same thickness (0.1 m).
m), and when inserted into the insertion hole of the case 3 during assembly,
There is a possibility that the terminal 2c may be bent to cause trouble in assembling, or the reliability of the contact switching operation may be reduced. In addition, the number of assembling man-hours is large and labor-intensive, resulting in high costs.
【０００４】また、ケース３に固定接点部１と可動接片
部２とを組込んだ際には、可動接点部２の可動接片２ａ
が固定接点部１の固定接点１ａに所定圧で圧接されてい
る必要があり、そのため、可動接片２ａの先端側を固定
接点部１側にやや屈曲させる等している。したがつて、
前述した組立時には、固定接点部１と可動接片２ａの先
端が突き当たることになり、その組込みに手数がかかつ
た。When the fixed contact portion 1 and the movable contact portion 2 are assembled in the case 3, the movable contact portion 2a of the movable contact portion 2
Needs to be pressed against the fixed contact 1a of the fixed contact portion 1 with a predetermined pressure. For this reason, the distal end side of the movable contact piece 2a is slightly bent toward the fixed contact portion 1. Therefore,
During the assembling described above, the fixed contact portion 1 and the tip of the movable contact piece 2a come into contact with each other, so that the assembling is troublesome.
【０００５】本考案の目的は、二次成形時のキャビティ
の一部を、一次成形体に形成することで、溶融樹脂の接
点部内への流入の防止を図り、組込工数の削減を図るこ
とができるスイッチを提供することにある。An object of the present invention is to form a part of a cavity during secondary molding into a primary molded body, thereby preventing the molten resin from flowing into the contact portion and reducing the number of assembling steps. It is to provide a switch that can be used.
【０００６】[0006]
【課題を解決するための手段】上記目的を達成するため
に、本考案は、固定接点を有する固定接点部と、該固定
接点に離接可能な可動接片を有する可動接点部とを箱状
のケースに備え、該可動接片を前記固定接点に対して離
接させることにより接点の断続を行なうスイツチにおい
て、前記箱状のケースは、前記固定接点部と可動接点部
とをインサート成形で一体化させて、前記固定接点部お
よび可動接点部を支持し、該固定接点部および可動接点
部の端子を引き出してある基部を有する一次成形体と、
該一次成形体の基部で前記ケースの一部を構成し、該一
次成形体の基部とともに前記ケースを構成するようにイ
ンサート成形させた二次成形体とからなり、前記一次成
形体の基部は、前記二次成形体の成形時に、前記固定接
点部および可動接点部側への溶融樹脂の流入を防止する
防止壁を兼ねている構成にしてある。In order to achieve the above object, the present invention provides a fixed contact portion having a fixed contact and a movable contact portion having a movable contact piece detachable from the fixed contact. Wherein the movable contact piece is connected to and detached from the fixed contact so as to interrupt the contact, wherein the box-shaped case integrates the fixed contact part and the movable contact part by insert molding. A primary molded body having a base portion supporting the fixed contact portion and the movable contact portion, and extending the terminals of the fixed contact portion and the movable contact portion,
A part of the case is constituted by the base of the primary molded body, and a secondary molded body is formed by insert molding so as to constitute the case together with the base of the primary molded body, and the base of the primary molded body is At the time of molding the secondary molded body, it is configured to also serve as a prevention wall for preventing the molten resin from flowing into the fixed contact portion and the movable contact portion.
【０００７】[0007]
【作用】前記手段により、可動接片をかしめて固定する
際に、可動接片の先端は突状の固定接点によつて弾性変
形されて固定接点に所定圧で圧接されることになる。ま
た前記手段により、１次成形体の一部がケースを成形す
る際に、金型のキヤビテイの一部を構成する。つまり、
２次成形体を成形する際に、１次成形体の一部がキヤビ
テイの１面を塞いで、キヤビテイ内に注入される溶解樹
脂の漏れを防止して箱状のケース全体を成形できる。When the movable contact piece is caulked and fixed by the above means, the tip of the movable contact piece is elastically deformed by the protruding fixed contact and pressed against the fixed contact at a predetermined pressure. Further, by the means, when a part of the primary molded body forms the case, it forms a part of the cavity of the mold. That is,
When the secondary molded body is molded, a part of the primary molded body closes one surface of the cavity to prevent leakage of the molten resin injected into the cavity, thereby molding the entire box-shaped case.
【０００８】[0008]
【実施例】以下、本考案の実施例を図１〜図６に基づい
て説明する。図１は可動接片を有する第１のフープ材を
示す説明図、図２は第１のフープ材から切断した可動接
片を示す説明図、図３は第２のフープ材に可動接片をか
しめた状態を示す説明図、図４は１次成形体によつて固
定接点部と可動接点部とを一体化した状態を示す説明
図、図５は２次成形体を成形する状態を示す説明図、図
６はスイツチの斜視図である。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to FIGS. FIG. 1 is an explanatory view showing a first hoop material having a movable contact piece, FIG. 2 is an explanatory view showing a movable contact piece cut from the first hoop material, and FIG. 3 is a view showing a movable contact piece attached to a second hoop material. FIG. 4 is an explanatory view showing a state in which a fixed contact portion and a movable contact portion are integrated by a primary molded body, and FIG. 5 is an explanatory view showing a state in which a secondary molded body is molded. FIG. 6 and FIG. 6 are perspective views of the switch.
【０００９】これらの図において、１０はスイツチで、
このスイツチ１０は固定接点部１１と、可動接点部１２
と、箱状のケース１３とから主に構成されている。この
固定接点部１１には２個の突状の固定接点１１ａ，１１
ａと、ケース１３の下面に引き出された端子１１ｂとが
設けられており、固定接点部１１はケース１３の内底面
から立設されている。可動接点部１２には２個の固定接
点１１ａ，１１ａに対して所定圧で圧接された可動接片
１２ａ，１２ａがそれぞれ固定接点部１１と直交する方
向に配設されている。また、可動接片１２ａ，１２ａの
基端部は端子１４，１４にかしめて固定され一体化され
るとともに、これらの固定部分は１次成形体１５によつ
てインサート成形されている。尚、後述するが、この１
次成形体１５は可動接点部１２と固定接点部１１とを図
４に示すように一体化している。ケース１３はこの１次
成形体１５の基部１５ａと、この基部１５ａとインサー
ト成形されて一体成形される２次成形体１６とにより箱
状に構成されている。このようなスイツチは、図示しな
いが操作レバーの操作により操作レバーと速動して可動
接片１２ａの先端を移動させ固定接点と断続させるよう
にしている。In these figures, reference numeral 10 denotes a switch.
The switch 10 has a fixed contact portion 11 and a movable contact portion 12
And a box-shaped case 13. The fixed contact portion 11 has two projecting fixed contacts 11a and 11
a, and a terminal 11 b drawn out from the lower surface of the case 13, and the fixed contact portion 11 is erected from the inner bottom surface of the case 13. The movable contact portion 12 is provided with movable contact pieces 12a, 12a pressed against the two fixed contacts 11a, 11a at a predetermined pressure, respectively, in a direction orthogonal to the fixed contact portion 11. The base ends of the movable contact pieces 12a, 12a are caulked and fixed to the terminals 14, 14, and these fixed parts are insert-molded by a primary molded body 15. As described later, this 1
The next molded body 15 integrates the movable contact portion 12 and the fixed contact portion 11 as shown in FIG. The case 13 is formed in a box shape by a base 15a of the primary molded body 15 and a secondary molded body 16 that is integrally molded with the base 15a by insert molding. Although not shown, such a switch quickly moves with the operation lever by operating the operation lever to move the distal end of the movable contact piece 12a to intermittently connect with the fixed contact.
【００１０】次に、前記スイツチの製造方法について説
明する。可動接点部１２の可動接片１２ａは例えば０．
１ｍｍの板材をプレス加工して形成した第１のフープ材
１７から得られる。一方、固定接点部１１及び可動接点
部１２の端子１４は例えば０．３５ｍｍの板材をプレス
加工して形成した第２のフープ材１８から得られる。ま
ず、図１に示す第１フープ材１７の所定箇所を切断して
図２に示す可動接片１２ａ，１２ａを得る。１２ｂはか
しめ用の孔である。この可動接片１２ａ，１２ａを図３
に示すように第２のフープ材１８に載置し、前記かしめ
用孔１２ｂ，１２ｂに第２のフープ材１８の端子１４，
１４のかしめ用突起１４ａをそれぞれ嵌入させかしめ用
突起１４ａの先端をかしめ、可動接片１２ａを第２のフ
ープ材１８、つまり端子１４に固定する。このかしめに
際して、第２のフープ材１８の固定接点部１１の固定接
点１１ａは可動接片１２ａの配置される側に突状に形成
されてるいので、突状の固定接点１１ａ，１１ａにより
可動接片１２ａの先端が弾性変形させられ、所定圧で可
動接片１２ａの先端が固定接点１１ａに圧接され、その
状態で前述したように可動接片１２ａが端子１４に一体
化される。Next, a method for manufacturing the switch will be described. The movable contact piece 12a of the movable contact portion 12 is, for example, 0.1 mm.
It is obtained from a first hoop material 17 formed by pressing a 1 mm plate material. On the other hand, the terminals 14 of the fixed contact portion 11 and the movable contact portion 12 are obtained from a second hoop material 18 formed by pressing a 0.35 mm plate material, for example. First, predetermined portions of the first hoop material 17 shown in FIG. 1 are cut to obtain the movable contact pieces 12a, 12a shown in FIG. 12b is a hole for caulking. The movable contact pieces 12a, 12a are shown in FIG.
Is placed on the second hoop material 18, and the terminals 14 of the second hoop material 18 are inserted into the caulking holes 12b, 12b.
The crimping projections 14a are fitted into the respective crimping projections 14a, and the tips of the crimping projections 14a are crimped, and the movable contact piece 12a is fixed to the second hoop member 18, that is, the terminal 14. In this caulking, the fixed contact 11a of the fixed contact portion 11 of the second hoop member 18 is formed in a protruding shape on the side where the movable contact piece 12a is arranged, so that the movable contact is formed by the protruding fixed contacts 11a, 11a. The tip of the piece 12a is elastically deformed, and the tip of the movable contact piece 12a is pressed against the fixed contact 11a with a predetermined pressure. In this state, the movable contact piece 12a is integrated with the terminal 14 as described above.
【００１１】図３のような可動接片１２ａをかしめて固
定した第２のフープ材１８を、射出成形金型に搬送し、
インサート成形を行ない、その後、所定箇所を切断して
固定端子部１１及び可動接点部１２を第２のフープ材１
８から切離し、これを図４に示してある。図４に示すよ
うに固定接点部１１及び可動接点部１２はインサート成
形による１次成形体１５で一体化されて一部品化され
る。The second hoop material 18 with the movable contact piece 12a caulked and fixed as shown in FIG. 3 is conveyed to an injection molding die.
Insert molding is performed, and then a predetermined portion is cut to fix the fixed terminal portion 11 and the movable contact portion 12 to the second hoop material 1.
8, which is shown in FIG. As shown in FIG. 4, the fixed contact portion 11 and the movable contact portion 12 are integrated by a primary molded body 15 by insert molding to be made into one part.
【００１２】次に、図４に示す部品Ａを図５に示すよう
に射出成形金型に装填してインサート成形を行なう。こ
の射出成形金型は上型１９と下型２０とのパーテイング
面にケース１３を成形するキヤビテイ２１が設けられて
いる。上型１９には部品Ａの可動接片１２ａ等を納める
凹部１９ａ，１９ａが設けられ、一方、下型２０には部
品Ａの端子１１ｂ、１４を納める凹部２０ｂ，２０ｂが
設けられている。上型１９の凹部１９ａの開口の大きさ
は、１次成形体１５の基部１５ａより小さく設定されて
いる。したがって、キヤビテイ２１内に部品Ａを装填し
た場合に、図５に示すように、部品Ａの基部１５ａによ
つて上型１９の凹部１９ａが塞がれてケース１３となる
キヤビテイが構成される。つまり、このキヤビテイは上
型１９及び下型２０及び基部１５ａによって構成され
る。このようにして構成されたキヤビテイ内に溶解樹脂
を注入してインサート成形を行ない、２次成形体１６を
成形する。この２次成形体１６と基部１５ａと箱状のケ
ース１３を一体成形し、図６に示すスイッチ１０を得ら
れる。Next, the part A shown in FIG. 4 is loaded into an injection mold as shown in FIG. 5, and insert molding is performed. In this injection molding die, a cavity 21 for molding the case 13 is provided on a parting surface of the upper die 19 and the lower die 20. The upper mold 19 is provided with recesses 19a, 19a for accommodating the movable contact pieces 12a and the like of the component A, while the lower mold 20 is provided with recesses 20b, 20b for accommodating the terminals 11b, 14 of the component A. The size of the opening of the concave portion 19 a of the upper mold 19 is set smaller than the base 15 a of the primary molded body 15. Therefore, when the component A is loaded into the cavity 21, as shown in FIG. 5, the concave portion 19a of the upper die 19 is closed by the base 15a of the component A, and a cavity that becomes the case 13 is configured. That is, the cavity is constituted by the upper mold 19, the lower mold 20, and the base 15a. The molten resin is injected into the cavity thus configured, and insert molding is performed to form the secondary molded body 16. The secondary molded body 16, the base portion 15a, and the box-shaped case 13 are integrally molded to obtain the switch 10 shown in FIG.
【００１３】このように構成された前記実施例にあつて
は、可動接片１２ａをかしめて固定する際に、可動接片
１２ａの先端は突状の固定接点１１ａによつて弾性変形
されて固定接点１１ａに所定圧で圧接されることにな
る。また、ケースへの可動接点部及び固定接点部の組込
み作業を省くことができ、組込みを簡略化できる。In the above-described embodiment, when the movable contact piece 12a is caulked and fixed, the tip of the movable contact piece 12a is elastically deformed and fixed by the projecting fixed contact 11a. The contact 11a is pressed at a predetermined pressure. Also, the work of assembling the movable contact portion and the fixed contact portion into the case can be omitted, and the assembling can be simplified.
【００１４】また、１次成形体１５の基部１５ａがケー
ス１３を成形する際に、キヤビテイの一部を構成する。
つまり、２次成形体１６を成形する際に、基部１５ａが
固定接点部１１及び可動接点部１２を収納してある上型
１９の凹部１９ａ及び下型２０の凹部２０ａを塞いで防
止壁となって、キヤビテイ内に注入される溶解樹脂の凹
部１９ａ，２０ａ内への流出を防止し、箱状のケース１
３全体を成形できる。これにより、箱状のケース１３と
固定接点部１１及び可動接点部１２とを一体に、インサ
ート成形することができ、各接点部をケースに挿し込ん
で組込む必要がなくなり、組立工数の削減を図ることが
できる。The base 15a of the primary molded body 15 forms a part of the cavity when the case 13 is molded.
That is, when the secondary molded body 16 is molded, the base portion 15a closes the concave portion 19a of the upper die 19 and the concave portion 20a of the lower die 20 that house the fixed contact portion 11 and the movable contact portion 12, thereby forming a prevention wall. Thus, the molten resin injected into the cavity is prevented from flowing out into the concave portions 19a, 20a, and the box-shaped case 1
3 can be molded. Thereby, the box-shaped case 13 and the fixed contact portion 11 and the movable contact portion 12 can be integrally insert-molded, and it is not necessary to insert each contact portion into the case and assemble them, thereby reducing the number of assembling steps. be able to.
【００１５】[0015]
【考案の効果】以上説明したように、本考案によれば、
箱状のケースは、固定接点部と可動接点部とをインサー
ト成形で一体化させて、固定接点部および可動接点部を
支持し、該固定接点部および可動接点部の端子を引き出
してある基部を有する一次成形体と、該一次成形体の基
部でケースの一部を構成し、該一次成形体の基部ととも
にケースを構成するようにインサート成形させた二次成
形体とからなり、一次成形態の基部は、二次成形体の成
形時に、固定接点部および可動接点部側への溶融樹脂の
流入を防止する防止壁を兼ねているため、一次成形体の
基部がケースを成形する際に、キャビティの一部を構成
するので、二次成形体を成形する際に、基部が上型の凹
部及び下型の凹部を塞いで、キャビティ内に注入される
溶融樹脂の固定接点部および可動接点部側への流入を防
止し、箱状のケース全体を形成できる。これにより、箱
状のケースと固定接点及び可動接点部とを一体に、イン
サート成形することができ、各接点部をケースに差し込
んで組み込む必要がなくなり、組立工数の削減を図るこ
とができる。[Effects of the Invention] As described above, according to the present invention,
The box-shaped case integrates the fixed contact part and the movable contact part by insert molding, supports the fixed contact part and the movable contact part, and pulls out the base from which the terminals of the fixed contact part and the movable contact part are drawn out. A primary molded article having a base formed by forming a part of a case with a base of the primary molded body, and a secondary molded body that is insert-molded so as to constitute a case together with the base of the primary molded body. The base also functions as a preventing wall for preventing the molten resin from flowing into the fixed contact part and the movable contact part side during molding of the secondary molded body, so that the base of the primary molded body forms a cavity when the case is molded. When molding the secondary molded body, the base closes the concave portion of the upper die and the concave portion of the lower die so that the molten resin injected into the cavity has a fixed contact portion and a movable contact portion side. Into the box The whole can be formed. Accordingly, the box-shaped case and the fixed contact and the movable contact can be integrally formed by insert molding, and it is not necessary to insert each contact into the case and incorporate the same, thereby reducing the number of assembling steps.
【図１】可動接片を有する第１のフープ材を示す説明図
である。FIG. 1 is an explanatory view showing a first hoop material having a movable contact piece.
【図２】第１のフープ材から切断した可動接片を示す説
明図である。FIG. 2 is an explanatory view showing a movable contact piece cut from a first hoop material.
【図３】第２のフープ材に可動接片をかしめた状態を示
す説明図である。FIG. 3 is an explanatory view showing a state where a movable contact piece is caulked on a second hoop material.
【図４】１次成形体によつて固定接点部と可動接点部と
を一体化した状態を示す説明図である。FIG. 4 is an explanatory view showing a state where a fixed contact portion and a movable contact portion are integrated by a primary molded body.
【図５】２次成形体を成形する状態を示す説明図であ
る。FIG. 5 is an explanatory view showing a state in which a secondary molded body is molded.
【図６】本考案に係るスイツチを示す斜視図である。FIG. 6 is a perspective view showing the switch according to the present invention.
【図７】従来のスイツチの組立前の状態を示す説明図で
ある。FIG. 7 is an explanatory view showing a state before assembly of a conventional switch.
１０ スイツチ １１ 固定接点部 １２ 可動接点部 １３ ケース １４ 端子 １５ １次成形体 １６ ２次成形体 １７ 第１のフープ材 DESCRIPTION OF SYMBOLS 10 Switch 11 Fixed contact part 12 Movable contact part 13 Case 14 Terminal 15 Primary molded object 16 Secondary molded object 17 First hoop material
Claims (1)
接点に離接可能な可動接片を有する可動接点部とを箱状
のケースに備え、該可動接片を前記固定接点に対して離
接させることにより接点の断続を行なうスイツチにおい
て、 前記箱状のケースは、 前記固定接点部と可動接点部とをインサート成形で一体
化させて、前記固定接点部および可動接点部を支持し、
該固定接点部および可動接点部の端子を引き出してある
基部を有する一次成形体と、 該一次成形体の基部で前記ケースの一部を構成し、該一
次成形体の基部とともに前記ケースを構成するようにイ
ンサート成形させた二次成形体とからなり、 前記一次成形体の基部は、前記二次成形体の成形時に、
前記固定接点部および可動接点部側への溶融樹能の流入
を防止する防止壁を兼ねていることを特徴とするスイツ
チ。1. A box-like case comprising a fixed contact portion having a fixed contact and a movable contact portion having a movable contact piece detachable from the fixed contact, and the movable contact piece is fixed to the fixed contact. In a switch for intermittently connecting and disconnecting contacts by separating and connecting, the box-shaped case integrates the fixed contact portion and the movable contact portion by insert molding to support the fixed contact portion and the movable contact portion,
A primary molded body having a base from which the terminals of the fixed contact part and the movable contact part are drawn out; and a base part of the primary molded body, which constitutes a part of the case, and constitutes the case together with a base part of the primary molded body. It is composed of a secondary molded body that is insert molded as described above, the base of the primary molded body, at the time of molding the secondary molded body,
A switch characterized in that the switch also serves as a preventing wall for preventing inflow of molten metal into the fixed contact portion and the movable contact portion.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990403271U JP2579641Y2 (en) | 1990-12-14 | 1990-12-14 | Switch |
| KR2019910021935U KR950009506Y1 (en) | 1990-12-14 | 1991-12-11 | A switch |
| DE4141233A DE4141233C2 (en) | 1990-12-14 | 1991-12-13 | Method of making a switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990403271U JP2579641Y2 (en) | 1990-12-14 | 1990-12-14 | Switch |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0488619U JPH0488619U (en) | 1992-07-31 |
| JP2579641Y2 true JP2579641Y2 (en) | 1998-08-27 |
Family
ID=31881071
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1990403271U Expired - Fee Related JP2579641Y2 (en) | 1990-12-14 | 1990-12-14 | Switch |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JP2579641Y2 (en) |
| KR (1) | KR950009506Y1 (en) |
| DE (1) | DE4141233C2 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4335246C2 (en) * | 1992-10-16 | 2002-01-24 | Alps Electric Co Ltd | Pressure switch and process for its manufacture |
| DE19708436C2 (en) * | 1997-03-01 | 1999-08-19 | Hofsaes | Temperature-dependent switch with contact bridge and process for its manufacture |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1067504B (en) * | 1955-11-16 | 1959-10-22 | Paul Dau & Co Appbau | Method for producing a rivet connection between a metallic carrier of electrical contact pieces and a metallic device part |
| DE1904089U (en) * | 1961-05-12 | 1964-11-12 | Kloeckner Moeller Elek Zitaets | CONTACT ARRANGEMENTS, ESPECIALLY FOR SMALL SHOES. |
| DE1291833B (en) * | 1966-07-19 | 1969-04-03 | Siemens Ag | Method for producing a contact arrangement, in particular for relays |
| JPS5419064B2 (en) * | 1974-05-01 | 1979-07-12 | ||
| JPS58101432U (en) * | 1981-12-29 | 1983-07-09 | オムロン株式会社 | keyboard switch |
| JPS5942721A (en) * | 1982-08-31 | 1984-03-09 | 松下電工株式会社 | Thin plate spring caulking structure |
| DE3546196A1 (en) * | 1985-12-27 | 1987-07-02 | Widmaier Fa Hans | Printed circuit board, particularly for push-button dial blocks, and method of manufacturing such a printed circuit board |
| JPH047533Y2 (en) * | 1986-02-21 | 1992-02-27 | ||
| JPH01102827A (en) * | 1987-10-14 | 1989-04-20 | Fuji Electric Co Ltd | Manufacture of contact spring device for solenoid relay |
| JPH01258321A (en) * | 1988-04-06 | 1989-10-16 | Omron Tateisi Electron Co | Contact for electromagnetic relay |
| JPH02143733U (en) * | 1989-05-09 | 1990-12-06 |
-
1990
- 1990-12-14 JP JP1990403271U patent/JP2579641Y2/en not_active Expired - Fee Related
-
1991
- 1991-12-11 KR KR2019910021935U patent/KR950009506Y1/en not_active IP Right Cessation
- 1991-12-13 DE DE4141233A patent/DE4141233C2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| KR920013536U (en) | 1992-07-27 |
| JPH0488619U (en) | 1992-07-31 |
| DE4141233A1 (en) | 1992-06-17 |
| DE4141233C2 (en) | 1996-03-14 |
| KR950009506Y1 (en) | 1995-11-03 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| A02 | Decision of refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A02 Effective date: 19960109 |
|
| LAPS | Cancellation because of no payment of annual fees |