JPH0315179A - Clamp fitting in connector - Google Patents
Clamp fitting in connectorInfo
- Publication number
- JPH0315179A JPH0315179A JP9447289A JP9447289A JPH0315179A JP H0315179 A JPH0315179 A JP H0315179A JP 9447289 A JP9447289 A JP 9447289A JP 9447289 A JP9447289 A JP 9447289A JP H0315179 A JPH0315179 A JP H0315179A
- Authority
- JP
- Japan
- Prior art keywords
- main body
- clamp fitting
- cord
- connector
- clamp
- 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.)
- Granted
Links
- 238000003780 insertion Methods 0.000 claims abstract description 20
- 230000037431 insertion Effects 0.000 claims abstract description 20
- 238000003776 cleavage reaction Methods 0.000 claims abstract description 10
- 230000007017 scission Effects 0.000 claims abstract description 10
- 230000002093 peripheral effect Effects 0.000 claims description 14
- 230000013011 mating Effects 0.000 abstract description 3
- 239000007769 metal material Substances 0.000 description 9
- 238000005452 bending Methods 0.000 description 8
- 238000010586 diagram Methods 0.000 description 7
- 239000002184 metal Substances 0.000 description 6
- 238000000034 method Methods 0.000 description 6
- 239000012141 concentrate Substances 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 238000002788 crimping Methods 0.000 description 3
- 239000011810 insulating material Substances 0.000 description 3
- 210000000078 claw Anatomy 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 238000005476 soldering Methods 0.000 description 2
- 239000000470 constituent Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 229920003002 synthetic resin Polymers 0.000 description 1
- 239000000057 synthetic resin Substances 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
Landscapes
- Details Of Connecting Devices For Male And Female Coupling (AREA)
- Connections Effected By Soldering, Adhesion, Or Permanent Deformation (AREA)
Abstract
Description
【発明の詳細な説明】
本発明は、コネクタ本体に接続コードを接続して組立て
るコネクタにおいて、コネクタ本体に接続する接続コー
ドを、コネクタ本体に対して強固に連結せしめるととも
に、接続コードの外皮の下層に筒状に！威して設けられ
ているシールド線をコネクタ本体の外極に対して電気的
に接続せしめるための座板状のクランプ金具についての
改良に関する．
コネクタＡは、通常、第１図および第２図に示している
如く、金属材により形成したコネクタ本体ａの内部に組
付け保持せしめるコンタクトｌ・・・の後端側に、接続
コードｂの各芯線２０・・・の先端をハンダ付け等によ
り接続して，接続コードｂをコネクタ本体ａに対してつ
なぐとき、その接続コードｂの外皮２１の外周に、予め
、金属材により座板状に形成してあるクランプ金具Ｃを
嵌挿しておいて、このクランプ金具Ｃを接続コードｂの
外皮２１の外周にかしめ付け、その状態のクランプ金具
Ｃを、コネクタ本体ａの後端側のコード引出口３０に、
かしめ付けなどの適宜の手段で固着することで、コード
引出口３０から引き出された接続コードｂが，コネクタ
本体ａに対して強固に連結した状態とする．そして、こ
のとき、網筒状に編或して接続コードｂの外皮２１と芯
線２０との間に介装してあるシールド線２２を、外皮２
１を剥いて露出させ、それを束にまとめて、外皮２１の
外周面に第３図の如く折り返し、その上からクランプ金
具Ｃをかしめ付けるようにすることで、シールド線２２
とコネクタ本体ａに設けられる外極スリーブ３ｌとの電
気的な接統導通が、この金属材よりなるクランプ金具Ｃ
によって行なわれるようにしている．
しかし、このように、クランプ金具Ｃにより行なう、シ
ールド線２２とコネクタ本体ａの外極スリーブ３１との
接続は、第３図に示している如〈、接続コードｂの外皮
２１の外周面とクランプ金具Ｃの内周面との間に挾持さ
れるシールド線２２の束が、そのシールド線２２の束の
外周側にあっては金属材よりなるクランプ金具Ｃの内周
面に圧接するが、内周側にあっては、絶縁材よりなる接
続コードｂの外皮２１の外周面に圧接するようになるこ
とで、金属材よりなるクランプ金具Ｃに対して、シール
ド線２２の束の外周の一側面しか接触しないようになっ
て、コネクタ本体ａとシールド線２２との電気的な導通
が安定したものとならない問題がある．
本発明は、従来手段に生じているこれらの問題を解消せ
しめるためになされたものであって、接続コードをコネ
クタ本体ａに連結するためのクランプ金具を介して行な
う接続コードのシールド線とコネクタ本体との電気的な
接続が、シールド線とクランプ金具との間の接続を、金
属材と金属材とでシールド線を挾み込んだ状態として行
なわれるようにして、シールド線のコネクタ本体に対す
る゛尼気的な導通が安定したものとする新たな手段を提
供することを目的とする．
そして、本発明においては、この目的を達或するための
手段として、中心部位に接続コードの挿通孔を具備する
座板状に形成した主体の内周面に、主体の径方向の巾を
狭める切込溝を、接続コードから剥き出して束にまとめ
たシールド線を抱え込む深さに形設したことを特徴とす
るコネクタにおけるクランプ金具を提起するものである
．次に実施例を図面に従い詳述する．なお、図面符号は
、同効の構成部材について従前手段のもハと同一の符号
を用いるものとする．
第４図は本発明によるクランプ金具を用いて組立てたコ
ネクタの側面図，第５図は同上の縦断した側面図で、同
図において、ａは金属材で戒形したコネクタ本体、ｂは
接続コード、Ｃはクランプ金具を示す．
コネクタ本体ａは、金属板を円筒状に成形して、前端側
（第４図・第５図において左端側）に、相手方コネクタ
（図示省略）の外極端子に接続する外極端子となる外極
スリーブ３１を形或するとともに後端側にコード引出口
３０を形成し、かつ、胴部内腔には、多数のコンタクト
１・・・を保持せしめた絶縁材よりなる極保持部材１０
を組付け保持することで構成してあり、それの後端側の
コード引出口３０の口縁には、クランプ金具Ｃを連結保
持せしめるための嵌合切欠部３２・・・と、係合爪片３
３・・・とが形成してある．
コネクタ木体ａの、前端に形成せる外極スリーブ３ｌは
円筒形に形成してあるが、相手方コネクタの形態に対応
させて、前面視で台形の筒体、または角筒状に形或する
場合がある．また、後端に形戊せるコード引出口３０も
，接続する接続コードｂの形態にあわせて，角筒状等の
適宜の形状に形成される．そして，コネクタ本体ａも、
全体を円筒状とする場合に限らず、千箱状等、適宜の形
状に形成されるものである．
接続コードｂは、絶縁材たる合威樹脂材で被覆した多数
の芯線２０・・・を束にまとめ、それの外周を筒状に編
成したシールド線２２で囲い、さらに，それの外周を絶
縁材たる合或樹脂材の外皮２ｌで被覆した通常のもので
、それの外皮２１を剥いで引き出した各芯線２０・・・
の先端を、極保持部材１０に保持せるコンタクトｌ・・
・の後端側に，それぞれ接続することで、コネクタ本体
ａに対し接続せしめてある．
クランプ金具Ｃは、第８図に示している如く、金属材に
よりなる主体４の，中心部に接続コードｂが挿通される
挿通孔４０を形成し、主体４の外径をコネクタ本体ａの
コード引出口３０に対応させることで座板状に形成して
ある．そして、主体４には、挿通孔４０に挿通した接続
コードｂの外周にかしめ付けるときの、径方向の押し潰
しを容易にするための開裂部４１が形成してある．また
、外周面には、フネクタ本体ａのコード引出口３０に設
けた嵌合切欠部３２に嵌合する突起部４２・・・が形成
してある．
ｄは，クランプ金具Ｃを、それの挿通孔４０に挿通した
接続コードｂの外皮２１の外周にかしめ付けていくよう
，該クランプ金具Ｃを縮径する方向に押圧して変形させ
ていくときに、その変形が一定の部位を回動支点として
折れ曲がっていくことで行なわれるよう、変形を集中さ
せるために該クランプ金Ａｃに形成した折曲部で、挿通
孔４０を形成している該クランプ金具Ｃの内周面に，外
周方向に向け削り込む切込溝５０を形或して、該クラン
プ金具Ｃの平面視における径方向の巾を狭くすることで
構威してある．そして、この変形を集中させる折曲部ｄ
を形成するための前記切込溝５０は、接続コードｂから
剥き出して束にまとめたシールド線２２が、第８図およ
び第９図に示している如く，それの内腔にそっくり入り
込んだ状態となって，第１２図にあるよう該切込溝５０
内を透通していく切込み深さに形成してあり、かつ，ク
ランプ金具Ｃを該切込溝５０により形成される折曲部ｄ
の折曲げ変形により第１０図の如く縮径する方向に押し
潰したときに、その折曲げにより，＃切込溝５０の対向
する壁面５０ａ●５０ａが閉じ合わされるようになるこ
とで、該切込溝５０の内腔に挿通しておいた前述のシー
ルド線２２の束を、第１０図および第１１図に示してい
る如く、前記対向する壁面５０ａ・５０ａによって固く
挾み込む状態となっていく形状に形成してある．
なお、図示する実施例において、ｅは、接続コードｂを
コネクタ本体ａに接続して組立てたコネクタＡの外周に
、モールドにより、または、別体に或形して被せること
により被覆した合戊樹脂材よりなるカバーである．
このように構威せる実施例装置は次のように作用する．
コネクタ本体ａに接続する接続コードｂを、コネクタ本
体ａに対し固着連結するために、接続コードｂの外皮２
１の外周にクランプさすクランプ金具Ｃは、接続コード
ｂの各芯線２０・・・を，極保持部材ｌＯに保持される
コンタクト１・・・の各後端部に、ハンダ付け等の適宜
の手段で接続する作業を行なう前に、その接続コードｂ
の外皮２１の外周に嵌挿して、外周側からペンチ等の適
宜の工具で縮径する方向に押し潰してかしめ付ける．こ
のとき、接続コードｂの外皮２ｌを剥いで露出させたシ
ールド線２２を、第１２図に示している如く、束にまと
めて接続コードｂの外皮２ｌの外周面側に折返しておき
、その折返したシールド！ａ２２の束の上から、座板状
のクランプ金具Ｃを嵌挿しそのシールド＆１２２の束ご
と、クランプ金具Ｃを１ａ続コードｂの外周面にかしめ
付けてい〈ことは、従来手段と同じであるが，そのシー
ルド線２２の束は、クランプ金具Ｃのかしめ付けを行な
う前に、第１２図に示しているように、折曲部ｄを形成
するためにクランプ金具Ｃの内周面に形成してある切込
溝５０の内腔に押し込んだ状態としておく．
これにより、クランプ金具Ｃを、適宜の工具でそれの開
裂部４１を閉じ合わせるように、外周側から径方向に押
し潰していくと、クランプ金具Ｃの変形が、内周面に設
けた切込ｔＩ！Ｉ５０により径方向の巾を狭めることで
形成してある折曲部ｄに集中し、クランプ金ＡＣが第１
０図の如く、折曲部ｄを回動支点として閉じ合わされる
ように変形していき、これにより、クランプ金具Ｃの内
周面が接続コードｂの外皮２ｌの外周に喰い込んでいき
、接続コードｂにクランプ金具Ｃがかしめ付けられた状
態となる．
そしてこのとき、シールド線２２の束を抱き込んだ切込
溝５０は、クランプ金具Ｃの折曲部ｄを中心とする折曲
げ回動のような変形によって、対向する壁面５０ａ●５
０ａが、第ｌ１図に示す如く，閉じ合わされるように互
いに接近してきて、内腔に抱き込んでいるシールド線２
２の束を、閉じ合わされてくる壁面５０ａ−５０ａによ
って、固〈挾持していくようになる．
従って、シールド線２２の束は、金属材よりなるクラン
プ金具Ｃの内周面に形成した切込溝５０の、壁面５０ａ
と壁面５０ａとで挾圧された状態となって、その壁面５
０ａ・５０ａにより電気的にクランプ金具Ｃに導通する
ようになり、この間の導通を安定したものとする．そし
て，この状態となったクランプ金具Ｃが，コネクタ本体
ａのコード引出口３０に，嵌合切欠部３２と突起部４２
との嵌合と係合爪片３３・・・のかしめ付けにより一体
的に組付けられて、コネクタ本体ａに対し電気的に連結
することで、シールド線２２とコネクタ本体ａの外極ス
リーブ３１との電気的な接続が安定したものとなる．
次に，第１３図乃至第２０図は別の実施例を示している
．この実施例は，クランプ金具Ｃに、変形を集中させる
ために内周面に形或する切込溝５０を，２ケ所に設けて
、折曲が２個所で行なわれるようにした例であり、この
点を除いたその余の構或は前述の実施例と変わりない．
即ち、クランプ金具Ｃの挿通孔４０の内周面に設ける切
込ｖ４５０は、第１７図に示している如くクランプ金具
Ｃの開裂部４１を通る中心線を対称軸として，該クラン
プ金具Ｃの挿通孔４０の内周面の左右に対称する部位に
、左右に一対に設けてあり、また，この切込溝５０●５
０により形成される径方向の巾を狭くした折曲部ｄ−ｄ
が左右に一対に設けられている．
この実施例は、クランプ金具Ｃの挿通孔４０の内周面に
形設する切込ｌ４５０の数が，前述の実施例と相違する
だけで２切込溝５０自体の構威および、クランプ金具Ｃ
ならびにコネクタ本体ａ等の構或には変わりがなく，そ
の変わりない構或については、同効の構或部材に前述の
実施例のものと同じ符号を付して詳しい説明は省略する
．この実施例は、クランプ金具Ｃの挿通孔４０の内周面
に設ける切込１１１Ｉ５０が２つで、従って、折曲部ｄ
●ｄが第１７図にあるよう，左右の２個所となるので、
クランプ金具Ｃを、それの開裂部４１を閉じ合わせるよ
うに変形させていくときに、同時に、クランプ金具Ｃの
主体４の外周面の、第１７図における下周面を押し上げ
るように力を加えていく．
これにより、クランプ金具Ｃはそれの主体４が第１９図
および第２０図に示しているように変形し、その変形で
、切込溝５０●５０が、それらの内腔に挿通しておいた
シールド線２２の束を、該切込溝５０の対向する壁面５
０ａ・５０ａで挾み込んでいくようになる．
なお，この実施例は、複数設けてある切込＊５０●５０
の一方を選択して、それにだけシールド線２２の束を通
しておき、他方を遊ばせた状態としてかしめ付けるよう
に用いる場合があり、このようにすることで、かしめ付
けの前に行なうシールド線２２の束の切込溝５０・５０
に対する挿通作業の作業性を容易にし得る．
次に第２１図乃至第２４図はさらに別の実施例を示して
いる．
この実施例のクランプ金具Ｃは、前述した実施例におけ
るクランプ金具Ｃが，それの主体４をワッシャー状に戊
形する際に，開裂部４１のある形態に形成するようにし
ているのに対し、開．裂部４１のないワッシャー状に形
成するようにした例である．そして、この点を除いたそ
の余の構成は、前述の実施例と変わりない．
即ち、この実施例におけるクランプ金具Ｃの主体４の中
心部位に形成する挿通孔４１は、接続コードｂが挿通さ
れていく径に形成され，また，その挿通孔４０の内周面
に形成する切込溝５０は、束にまとめたシールド線２２
を抱え込める深さで、かつ，主体４を押し潰していくと
きの変形で抱え込んだシールド線２２の束を対向する壁
面５０ａ・５０ａにより挾持していく形態に作られる．
そして，切込溝５０の数は、図例のものにあっては、周
方向に四等配した位置にそれぞれ設けて、四つとしてい
るが、三つあるいは二つと適宜の数にして良いものであ
る．
なお，その余の構或は、前述の実施例のものと変わりが
ないので、その変わりない構戊は、同効の構威部材に同
じ符号を付して詳しい説明は省略する．
この実施例のクランプ金具Ｃも，第２１図の如く、接続
コードｂの外周に嵌挿しておいて、その接続コードｂか
ら剥き出したシールド線２２を、一本あるいは適宜木数
の束にまとめ、それらシールド線２２の束を、選択した
適宜の切込溝５０内にかかえ込ませ、その状態で，第２
１図にて二重線の矢印で示すように、外周方向から適宜
の工具で力を加えれば、主体４が切込溝５０により形成
される折曲部ｄ・・・で折曲するように変形して、第２
３図の如く、挿通孔４０の内径を縮径して，接続コード
ｂの外皮２ｌを絞り込むように喰い込んでいき、同時に
、閉じ合わされるように漬れていく切込溝５０がそこに
抱え込ませておいたシールド線２２の束を、対向する壁
面５０ａ・５０ａで第２４図の如く強く挾持していくよ
うになる．次に第２５図乃至第３２図は、さらに異なる
実施例を示している．
この実施例は、クランプ金具Ｃの主体４に、変形を集中
させる折曲部ｄ・・・を形成するために形設する切込溝
５０を，主体４の外周面にも形成するようにした例であ
る．
即ち、クランプ金具Ｃの主体４の外周面には、挿通孔４
０の内周面に形成する切込溝５０・・・の各両側に位置
するように配位して，浅い副切込溝５Ｏ″・・・が形成
してある．この副切込溝５０゜・・・は、切込溝５０と
共同して、変形を集中させる折曲部ｄを、一層巾の狭い
ものとするためのものであり，従って、この実施例にお
いては、折曲部ｄは、副切込溝５σが切込溝５０の両側
位置に形成されることで、一つの切込溝５０に対し二個
所づつ形成されるようになる．
この実施例において、主体４は、図例のものは、前記第
２１図乃至第２４図に示した開裂部４１のないワッシャ
ー状としたクランプ金具Ｃの主体４を用い、その主体４
の外周に、副切込溝５０′を形設した形態のものとなっ
ているが、クランプ金具Ｃの主体４に、第４図乃至第ｌ
２図に示した実施例のクランプ金具Ｃの主体４、または
第１３図乃至第２０図に示した実施例のクランプ金具Ｃ
の主体４のように、開裂部４１のあるものを用い、それ
の外周に、副切込溝５σを設けるようにする場合がある
．また、主体４の挿通口４０の内周面に設ける切込ｙＩ
５０の数、および主体４の外周面に設ける副切込溝５
０’の数は、所望に選択して良いものである．
なお、その余の構或は、前述した各実施例のものと変わ
りがないので、同効の構威部材に同一の符号を付して詳
しい説明は省略する．
この実施例手段は、第２９図に示している如くクランプ
金具Ｃを、接続コードｂの外周に嵌挿して、その接続コ
ードｂの外皮２１を剥いて露出させたシールド線２２を
、適宜木数の束にまとめて、クランプ金具Ｃの内周面の
切込溝５０・・・の中から適宜選択した切込溝５０内に
抱込ませるよラに位置させ、その状態において、第２９
図にて二重線の矢印に示しているように、クランプ金具
Ｃの外周の四方から、適宜の工具で、縮径さす方向に力
を加えると，クランプ金具Ｃの主体４の各折曲部ｄが切
込溝５０・・・および副切込ＩＩ５０’・・・を押し潰
すように変形して第３１図の如くになり、これにより，
縮径した挿通孔４０の内周面が接続コードｂの外周に喰
い込み、また、押し潰されるように変形した切込溝５０
が，それの内部に抱込んでいたシールド線２２を、対向
する壁面５０ａ・５０ａで固く挾持していくようになる
．以上説明したように、木発明によるコネクタにおける
クランプ金具は、中心部位に接続コードｂの挿通孔４０
を具備する座板状に形成した主体４の内周面に、主体４
の径方向の巾を狭める切込溝５０を、接続コードｂから
剥き出して束にまとめたシールド線２２を抱え込む深さ
に形設して構成してあるのだから、クランプ金具Ｃを接
続コードｂの外周に嵌挿し、その接続コードｂの外皮２
ｌを剥いで露出させたシールド線２２を束にまとめて、
該クランプ金具Ｃの主体４の内周面に設けた切込溝５０
内に抱込ませた状態とし、その状態からクランプ金具Ｃ
の主体４を外周側から縮径する方向に押圧してかしめ込
むことで、主体４が、切込ｙｔ５０により形或した折曲
部ｄを折曲げるように変形して縮径するようになって、
予め設定した所定の形状に変形して縮径し、確実に接続
コードｂに喰い込むようになり、同時に切込溝５０が閉
じ合わされるように潰れて、そこに抱込んでいるシール
ド線２２の束を、切込溝５０の対向する壁面５０ａ・５
０ａで挾持していくようになって，接続コードｂへの確
実な喰い込みと，シールド線２２の束を金属材と金属材
とで挾持してクランプ金具Ｃとの導通の安全性の増大と
が得られるようになる．
そして、クランプ金具Ｃの主体４の内周面に設ける切込
溝５０を、周方向に間隔をおいて複数設けておくことで
、クランプ金具Ｃをかしめ込む前に行なう、シールド線
２２の束を切込溝５ｏ内に抱き込ます作業が、適宜の切
込溝５ｏを選択して行なえるようになって，その作業性
を良好にするまた，クランプ金具Ｃの主体４を，周方向
の一部に開裂部４１のある座板状としておくことで、接
続コードｂの外周に該クランプ金具Ｃを嵌挿する作業が
容易になり、かつ、接続コードｂの芯線２０・・・をコ
ンタク｝ｌ・・・に接続した後においても、該クランプ
金具Ｃの接続コードｂに対する嵌挿が行なえるようにな
る．
また、クランプ金具Ｃの主体４を開裂部４１のない座板
状に形成しておくことで、クランプ金具Ｃをかしめ付け
るときの接続コードｂの逃げがなくなり、接続コードｂ
に対するクランプ金具Ｃのかしめ付けが確実になる．
また、クランプ金具Ｃの主体４の外周にも、副切込溝５
０’を設けておくことで、かしめ付けの際に、主体４
が所定の形状に変形して縮径していくのが、一層適確な
ものとなる．DETAILED DESCRIPTION OF THE INVENTION The present invention provides a connector that is assembled by connecting a connecting cord to a connector body, in which the connecting cord connected to the connector body is firmly connected to the connector body, and the lower layer of the outer skin of the connecting cord is into a cylindrical shape! This paper relates to improvements to a seat-plate-shaped clamp fitting for electrically connecting a shielded wire provided to the outer pole of a connector body. As shown in FIGS. 1 and 2, the connector A normally has each of the connection cords b on the rear end side of the contacts l, which are assembled and held inside the connector body a formed of a metal material. When connecting the connecting cord b to the connector body a by connecting the tips of the core wires 20 by soldering or the like, a seat plate shape is formed in advance from a metal material on the outer periphery of the outer skin 21 of the connecting cord b. Insert and insert the clamp fitting C, then swage the clamp fitting C onto the outer periphery of the outer skin 21 of the connection cord b, and then insert the clamp fitting C in this state into the cord outlet 30 on the rear end side of the connector body a. To,
By fixing with appropriate means such as caulking, the connecting cord b pulled out from the cord outlet 30 is firmly connected to the connector body a. At this time, the shield wire 22, which is knitted into a mesh tube shape and is interposed between the outer sheath 21 and the core wire 20 of the connection cord b, is connected to the outer sheath 2.
The shield wire 22 is removed by peeling off the wire 1 to expose it, gathering it into a bundle, folding it back on the outer circumferential surface of the outer skin 21 as shown in FIG.
Electrical connection and conduction between the outer sleeve 3l provided on the connector body a is achieved through the clamp fitting C made of this metal material.
This is done by However, as shown in FIG. The bundle of shielded wires 22 held between the bundle of shielded wires 22 and the inner circumferential surface of the metal fitting C comes into pressure contact with the inner circumferential surface of the clamp fitting C made of a metal material on the outer circumferential side of the bundle of shielded wires 22, but On the circumferential side, by coming into pressure contact with the outer circumferential surface of the outer sheath 21 of the connection cord b made of an insulating material, one side of the outer circumference of the bundle of shielded wires 22 is pressed against the clamp fitting C made of a metal material. There is a problem that the electrical continuity between the connector main body a and the shielded wire 22 is not stable because the connector main body a and the shielded wire 22 only come into contact with each other. The present invention has been made in order to solve these problems occurring in the conventional means. The electrical connection between the shielded wire and the clamp fitting is made by sandwiching the shielded wire between two metal materials, so that the electrical connection between the shielded wire and the connector body is The purpose is to provide a new means to ensure stable electrical conduction. In the present invention, as a means for achieving this object, the radial width of the main body is narrowed on the inner circumferential surface of the main body, which is formed in the shape of a seat plate and has an insertion hole for the connection cord in the center part. This invention proposes a clamping fitting for a connector, characterized in that a cut groove is formed at a depth to hold shielded wires stripped from a connecting cord and gathered into a bundle. Next, an example will be described in detail according to the drawings. In addition, the same reference numerals as in the previous means shall be used for the constituent members having the same effect. Fig. 4 is a side view of a connector assembled using the clamp fitting according to the present invention, and Fig. 5 is a vertically sectional side view of the same. , C indicates the clamp fitting. The connector body a is formed by forming a metal plate into a cylindrical shape, and has an outer terminal on the front end side (the left end side in Figs. 4 and 5) that serves as an outer terminal to be connected to an outer terminal of a mating connector (not shown). A pole holding member 10 made of an insulating material has a pole sleeve 31 formed therein, a cord outlet 30 formed on the rear end side, and a large number of contacts 1 held in the body cavity.
The rim of the cord outlet 30 on the rear end side thereof has a fitting notch 32 for connecting and holding the clamp fitting C, and an engaging pawl. Piece 3
3... is formed. Although the outer sleeve 3l formed at the front end of the connector wooden body a is formed in a cylindrical shape, it may be shaped into a trapezoidal cylinder or a rectangular cylinder when viewed from the front, depending on the form of the mating connector. There is. Further, the cord outlet 30 which can be formed at the rear end is also formed into an appropriate shape such as a rectangular tube shape according to the shape of the connecting cord b to be connected. And the connector body a,
It is not limited to the case where the whole is cylindrical, but it can be formed into an appropriate shape such as a 1,000-box shape. The connection cord b consists of a large number of core wires 20 covered with an insulating resin material, bundled together, the outer periphery of which is surrounded by a cylindrical shield wire 22, and the outer periphery of which is covered with an insulating material. Each core wire 20 is made by peeling off the outer sheath 21 of the ordinary wire coated with a 2L outer sheath made of a resin material.
A contact L... whose tip is held by the pole holding member 10.
・By connecting each to the rear end side, it is connected to the connector body a. As shown in FIG. 8, the clamp fitting C has an insertion hole 40 formed in the center of the main body 4 made of a metal material through which the connection cord b is inserted, and the outer diameter of the main body 4 is connected to the cord of the connector body a. It is formed into a seat plate shape to correspond to the drawer opening 30. The main body 4 is formed with a cleavage portion 41 for facilitating crushing in the radial direction when caulking the outer periphery of the connection cord b inserted through the insertion hole 40. Furthermore, a protrusion 42 is formed on the outer circumferential surface to fit into a fitting notch 32 provided in the cord outlet 30 of the funector main body a. d is when the clamp fitting C is deformed by pressing in the direction of reducing the diameter so that the clamp fitting C is crimped onto the outer periphery of the outer skin 21 of the connection cord b inserted through the insertion hole 40 of the clamp fitting C. , the clamp metal fitting has an insertion hole 40 formed at a bent part formed on the clamp metal Ac in order to concentrate the deformation so that the deformation is performed by bending around a certain part as a rotational fulcrum. A cutting groove 50 is formed on the inner circumferential surface of C to narrow the width of the clamp fitting C in the radial direction when viewed from above. Then, the bending part d concentrates this deformation.
The cut groove 50 for forming the shield wire 22, which has been stripped from the connection cord b and gathered into a bundle, is completely inserted into the inner cavity of the cord, as shown in FIGS. 8 and 9. As shown in FIG.
The cut groove 50 is formed to have a cutting depth that penetrates through the inside, and the clamp fitting C is bent at a bent portion d formed by the cut groove 50.
When it is crushed in the direction of diameter reduction as shown in FIG. 10 due to the bending deformation of As shown in FIGS. 10 and 11, the bundle of shielded wires 22 inserted into the inner cavity of the groove 50 is tightly sandwiched between the opposing wall surfaces 50a and 50a. It is formed into the following shape. In the illustrated embodiment, e represents a synthetic resin coated by molding or by separately forming and covering the outer periphery of the connector A assembled by connecting the connecting cord b to the connector body a. The cover is made of wood. The embodiment device constructed in this manner operates as follows. In order to firmly connect the connection cord b connected to the connector body a to the connector body a, the outer cover 2 of the connection cord b is
The clamp fitting C to be clamped on the outer periphery of the contact 1 is used to attach each core wire 20 of the connection cord b to the rear end of the contact 1 held by the pole holding member 1O by appropriate means such as soldering. Before connecting with the connection code b
It is fitted onto the outer periphery of the outer skin 21 of the holder, and is crimped by squeezing it from the outer periphery using an appropriate tool such as pliers in the direction of reducing the diameter. At this time, as shown in FIG. 12, the shield wires 22 exposed by peeling off the outer sheath 2l of the connection cord b are folded back to the outer peripheral surface of the outer sheath 2l of the connection cord b, and then folded back. Shield! A seat plate-shaped clamp fitting C is inserted from above the bundle of A22, and the clamp fitting C is caulked to the outer circumferential surface of the 1A connected cord B together with the shield &122.This is the same as the conventional means. , the bundle of shielded wires 22 is formed on the inner peripheral surface of the clamp fitting C to form a bent portion d, as shown in FIG. 12, before caulking the clamp fitting C. Leave it in a state where it is pushed into the inner cavity of a certain cut groove 50. As a result, when the clamp fitting C is crushed in the radial direction from the outer circumferential side so as to close the cleavage portion 41 with an appropriate tool, the deformation of the clamp fitting C is caused by the notch formed on the inner circumferential surface. tI! I50 concentrates on the bent part d formed by narrowing the radial width, and the clamp AC
As shown in Figure 0, the bending part d is used as a rotational fulcrum to deform so that they are closed together, and as a result, the inner peripheral surface of the clamp fitting C bites into the outer periphery of the outer skin 2l of the connection cord b, and the connection is completed. The clamp fitting C is now crimped onto the cord B. At this time, the cut groove 50 enclosing the bundle of shield wires 22 is deformed by bending and rotating around the bent portion d of the clamp fitting C, so that the facing wall surface 50a●5
As shown in FIG.
The bundles of 2 are tightly held by the walls 50a-50a that are being closed together. Therefore, the bundle of shielded wires 22 is attached to the wall surface 50a of the cut groove 50 formed on the inner circumferential surface of the clamp fitting C made of metal material.
and the wall surface 50a, and the wall surface 5
0a and 50a provide electrical continuity to the clamp fitting C, making the continuity between them stable. Then, the clamp fitting C in this state is inserted into the cord outlet 30 of the connector body a through the fitting notch 32 and the protrusion 42.
The shield wire 22 and the outer sleeve 31 of the connector body a are integrally assembled by fitting and caulking with the engaging claw pieces 33 and electrically connected to the connector body a. This will ensure a stable electrical connection. Next, FIGS. 13 to 20 show another embodiment. This embodiment is an example in which cut grooves 50 are provided at two locations on the inner peripheral surface of the clamp fitting C in order to concentrate deformation, so that bending is performed at two locations. Other than this point, the rest of the structure is the same as the previous embodiment. That is, the notch v450 provided in the inner circumferential surface of the insertion hole 40 of the clamp fitting C is inserted into the clamp fitting C with the center line passing through the cleavage part 41 of the clamp fitting C as the axis of symmetry, as shown in FIG. A pair of cut grooves 50
The bent portion d-d with a narrower radial width formed by 0
are provided in pairs on the left and right. This embodiment differs from the previous embodiment only in the number of notches 1450 formed on the inner circumferential surface of the insertion hole 40 of the clamp fitting C.
In addition, there is no change in the structure of the connector body a, etc., and for the same structure, the same reference numerals as in the previous embodiment will be given to structures or members having the same effect, and a detailed explanation will be omitted. In this embodiment, there are two notches 111I50 provided on the inner circumferential surface of the insertion hole 40 of the clamp fitting C, and therefore the bent portion d
●As d is shown in Figure 17, there are two locations on the left and right, so
When deforming the clamp fitting C so as to close the cleavage part 41 thereof, at the same time, force is applied to push up the lower circumferential surface of the outer peripheral surface of the main body 4 of the clamp fitting C in FIG. 17. go. As a result, the main body 4 of the clamp fitting C is deformed as shown in FIGS. A bundle of shielded wires 22 is placed on the opposite wall surface 5 of the cut groove 50.
It will start to get stuck at 0a and 50a. In addition, in this example, a plurality of notches *50●50
In some cases, one of the bundles of shielded wires 22 is selected and the bundle of shielded wires 22 is passed through it, and the other is left loose and used for caulking. Cut groove 50/50
This can make the insertion work easier. Next, FIGS. 21 to 24 show still another embodiment. The clamp fitting C of this embodiment is different from the clamp fitting C of the above-described embodiment in that the main body 4 is formed into a shape with a cleavage portion 41 when the main body 4 is shaped into a washer shape. Open. This is an example in which it is formed into a washer shape without a crack 41. Other than this point, the rest of the configuration is the same as the previous embodiment. That is, the insertion hole 41 formed at the center of the main body 4 of the clamp fitting C in this embodiment has a diameter through which the connection cord b is inserted, and the cutout formed on the inner peripheral surface of the insertion hole 40 has a diameter through which the connection cord b is inserted. The groove 50 is used for shielding wires 22 gathered together in a bundle.
It is made to have a depth that can hold the main body 4, and to hold the bundle of shield wires 22 held by the deformation when the main body 4 is crushed between the opposing wall surfaces 50a and 50a.
In the illustrated example, the number of cut grooves 50 is four, provided at four equally spaced positions in the circumferential direction, but the number may be three or two as appropriate. It is. The rest of the structure is the same as that of the previous embodiment, so structural members having the same effect will be given the same reference numerals and detailed explanations will be omitted. The clamp fitting C of this embodiment is also fitted around the outer periphery of the connection cord b, as shown in FIG. The bundle of shielded wires 22 is embedded in the selected appropriate cut groove 50, and in that state, the second
As shown by the double line arrow in Figure 1, if force is applied from the outer circumferential direction with an appropriate tool, the main body 4 will be bent at the bending part d formed by the cut groove 50. Transform, second
As shown in Fig. 3, the inner diameter of the insertion hole 40 is reduced, and the outer skin 2l of the connection cord b is bitten in so as to squeeze it, and at the same time, the cut groove 50, which is immersed so as to be closed, is held there. The bundle of shielded wires 22 that has been set apart is now firmly held between the opposing walls 50a and 50a as shown in FIG. Next, FIGS. 25 to 32 show further different embodiments. In this embodiment, cut grooves 50 are also formed on the outer peripheral surface of the main body 4 of the clamp fitting C to form bent portions d for concentrating deformation. This is an example. That is, the outer peripheral surface of the main body 4 of the clamp fitting C has an insertion hole 4.
Shallow sub-cut grooves 5O'' are arranged so as to be located on each side of the cut grooves 50 formed on the inner circumferential surface of 0. These sub-cut grooves 50゜... is for making the bent portion d, which concentrates deformation in cooperation with the cut groove 50, narrower in width. Therefore, in this embodiment, the bent portion d In this embodiment, the sub grooves 5σ are formed at both sides of the groove 50, so that two grooves are formed for each groove 50. In this embodiment, the main body 4 is as shown in FIG. The example uses the main body 4 of the washer-shaped clamp fitting C without the cleavage part 41 shown in FIGS. 21 to 24.
The main body 4 of the clamp fitting C has a sub-cut groove 50' formed on the outer periphery of the clamp fitting C.
The main body 4 of the clamp fitting C of the embodiment shown in FIG. 2, or the clamp fitting C of the embodiment shown in FIGS. 13 to 20.
As in the case of the main body 4, there is a case where a material having a cleavage portion 41 is used, and a sub-cut groove 5σ is provided on the outer periphery of the material. In addition, a cut yI provided on the inner circumferential surface of the insertion hole 40 of the main body 4
50, and the sub-cut grooves 5 provided on the outer peripheral surface of the main body 4
The number of 0' may be selected as desired. The rest of the structure is the same as in each of the embodiments described above, so structural members having the same effect are given the same reference numerals and detailed explanations will be omitted. In this embodiment, as shown in FIG. 29, a clamp fitting C is fitted onto the outer periphery of a connecting cord b, and the shield wire 22, which is exposed by peeling off the outer skin 21 of the connecting cord b, is The 29.
As shown by the double line arrows in the figure, when force is applied from all sides of the outer periphery of the clamp fitting C in the direction of reducing the diameter with an appropriate tool, each bent portion of the main body 4 of the clamp fitting C is d is deformed so as to crush the cut groove 50... and the sub-cut II 50'... as shown in Fig. 31, and as a result,
The cut groove 50 is deformed so that the inner peripheral surface of the insertion hole 40 having a reduced diameter bites into the outer periphery of the connection cord b and is crushed.
However, the shield wire 22, which had been held inside it, is now firmly held between the opposing walls 50a and 50a. As explained above, the clamp fitting in the connector according to the wooden invention has the insertion hole 40 for the connection cord b in the center part.
The main body 4 is formed on the inner peripheral surface of the main body 4 formed in the shape of a seat plate.
Since the cut groove 50 that narrows the radial width of the connecting cord b is configured to have a depth that can hold the shielded wire 22 which has been stripped out from the connecting cord b and gathered into a bundle, the clamp fitting C can be attached to the connecting cord b. Insert the outer cover 2 of the connection cord b into the outer periphery.
Gather the shield wires 22 exposed by peeling off the l into a bundle,
A cut groove 50 provided on the inner peripheral surface of the main body 4 of the clamp fitting C
From this state, the clamp fitting C
By pressing and caulking the main body 4 from the outer peripheral side in the direction of reducing the diameter, the main body 4 is deformed and reduced in diameter by bending the bent portion d formed by the cut yt50. ,
It deforms into a predetermined shape, reduces its diameter, and securely bites into the connection cord b. At the same time, the cut grooves 50 are crushed so that they are closed, and the shield wire 22 held therein is crushed. The bundle is placed on the opposite wall surfaces 50a and 5 of the cut groove 50.
0a, the cable is securely bitten into the connection cord b, and the bundle of shielded wires 22 is held between metal materials to increase the safety of conduction with the clamp fitting C. will be obtained. By providing a plurality of cut grooves 50 on the inner circumferential surface of the main body 4 of the clamp fitting C at intervals in the circumferential direction, the bundling of the shielded wires 22, which is performed before the clamp fitting C is crimped, is made easier. The work of holding the clamp fitting C into the cut groove 5o can now be carried out by selecting an appropriate cut groove 5o, improving the workability. By forming the seat plate shape with a cleavage part 41 in the part, it becomes easy to fit the clamp fitting C onto the outer periphery of the connection cord b, and the core wire 20 of the connection cord b can be contacted. Even after connecting to ..., the clamp fitting C can be inserted into the connection cord b. In addition, by forming the main body 4 of the clamp fitting C into a seat plate shape without the splitting part 41, the connection cord b will not escape when the clamp fitting C is caulked.
The clamp fitting C can be securely crimped against the clamp. Additionally, there are also sub-cut grooves 5 on the outer periphery of the main body 4 of the clamp fitting C.
By providing 0', when caulking, the main body 4
It becomes even more accurate that the diameter is reduced by deforming into a predetermined shape.
第１図乃至第３図は従来手段を示し，第１図はクランプ
金具を組付けて組立てたコネクタの側面図、第２図は同
上の縦断側面図、第３図はクランプ金具を接続コードの
外周に嵌挿した状態の斜視図である．
第４図乃至第１２図は本発明手段の第１の実施例を示し
、第４図は本発明によるクランプ金具を組付けて組立て
たコネクタの側面図、第５図は同上の縦断側面図，第６
図は第４図のＩ−Ｉ線断面図，第７図は＠４図の■一■
線断面図、第８図はクランプ金具のかしめ付け工程前の
状態の説明図、第９図は同上の要部の拡大図、第１０図
は同上クランプ金具のかしめ付け工程後の状態の説明図
、第１１図は同上クランプ金具の同上状態の要部拡大図
、第１２図は同上クランプ金具の接続コードに嵌挿した
状態の斜視図である．
第１３図乃至第２０図は本発明手段の第２の実施例を示
し、第１３図は本発明によるクランプ金具を組付けて組
立てた状態のコネクタの側面図、第１４図は同上の縦断
側面図、第１５図は第１３図のＩ−Ｉ線断面図、第１６
図は第１３図の■一■線断面図，第１７図は同上クラン
プ金具のかしめ付け前の状態における説明図，第１８図
は同上状態の要部の拡大図、第１９図は同上クランプ金
具のかしめ付け後の状態の説明図、第２０図は同上状態
の要部の拡大図である．
第２１図乃至第２４図は本発明手段の第３の実施例を示
し、第２１図は本発明によるクランプ金具のかしめ付け
の工程前の状態の説明図、第２２図は同上の要部の拡大
図、第２３図は同上のかしめ付け工程後の説明図、第２
４図は同上の要部の拡大図である．
第２５図乃至第３２図は本発明手段の第４の実施例を示
し，第２５図は本発明によるクランプ金具を組込んで組
立てたコネクタの側面図、第２６図は同上の縦断側面図
、第２７図は第２５図のエーＩ線断面図、第２８図は第
２５図の■一■線断面図、第２９図は同上クランプ金具
のかしめ付け工程前の状態の説明図、第３０図は同上の
要部の拡大図、第３１図は同上のかしめ付け工程後の状
態の説明図、第３２図は同上の状態の要部の拡大図であ
る．
図面符号の説明
Ａ・・・コネクタ ａ・・・コネクタ本体ｂ・
・・接続コード Ｃ・・・クランプ金具ｄ・・・
折曲部 ｅ・・・カバーｌ・・・コンタクト
２０・・・芯線
２２・・・シールド線
３２・・・嵌合切欠部
４・・・主体
４■・・・開裂部
５０・・・切込溝
５０ａ・・・壁面
０・・・極保持部材
ｌ・・・外皮
Ｏ・・・コード引出口
３・・・係合爪片
Ｏ・・・挿通孔
２・・・突起部
Ｏ′・・・副切込溝
特
許
出
願
人
株式会社
茂治製作所
第１２図
第１１ｒ２
−４４９−Figures 1 to 3 show conventional means. Figure 1 is a side view of the assembled connector with clamp fittings attached, Figure 2 is a longitudinal side view of the same as above, and Figure 3 shows how the clamp fittings are connected to the connecting cord. It is a perspective view of the state in which it is inserted into the outer periphery. 4 to 12 show a first embodiment of the means of the present invention, FIG. 4 is a side view of a connector assembled with a clamp fitting according to the present invention, and FIG. 5 is a longitudinal sectional side view of the same. 6th
The figure is a cross-sectional view taken along the line I-I of Figure 4, and Figure 7 is the ■1■ of Figure @4.
Line sectional view, Fig. 8 is an explanatory diagram of the state before the crimping process of the clamp fitting, Fig. 9 is an enlarged view of the main part of the same as above, and Fig. 10 is an explanatory diagram of the state of the same clamp fitting after the crimping process. , FIG. 11 is an enlarged view of the main parts of the above clamp fitting in the same state as above, and FIG. 12 is a perspective view of the above clamp fitting in a state where it is inserted into the connection cord. 13 to 20 show a second embodiment of the means of the present invention, FIG. 13 is a side view of the assembled connector with the clamp fitting according to the present invention attached, and FIG. 14 is a longitudinal cross-sectional side view of the same. Figure 15 is a sectional view taken along line I-I in Figure 13, and Figure 16 is
The figure is a sectional view taken along the line ■--■ in Figure 13, Figure 17 is an explanatory diagram of the same clamp metal fitting before caulking, Figure 18 is an enlarged view of the main parts in the same condition as above, and Figure 19 is the same clamp metal fitting as above. An explanatory diagram of the state after caulking, and FIG. 20 is an enlarged view of the main part in the same state as above. 21 to 24 show a third embodiment of the means of the present invention, FIG. 21 is an explanatory diagram of the state before the crimping process of the clamp fitting according to the present invention, and FIG. 22 shows the main parts of the same. Enlarged view, Figure 23 is an explanatory view after the caulking process of the same as above, Figure 2
Figure 4 is an enlarged view of the main parts of the same as above. 25 to 32 show a fourth embodiment of the means of the present invention, FIG. 25 is a side view of a connector assembled by incorporating the clamp fitting according to the present invention, FIG. 26 is a longitudinal sectional side view of the same, Fig. 27 is a sectional view taken along the A-I line in Fig. 25, Fig. 28 is a sectional view taken along the line ■--■ in Fig. 25, Fig. 29 is an explanatory diagram of the state of the same clamp fitting before the caulking process, and Fig. 30 31 is an explanatory diagram of the same state after the caulking process, and FIG. 32 is an enlarged view of the main parts of the same state. Explanation of drawing symbols A... Connector a... Connector body b.
...Connection cord C...Clamp fitting d...
Bent part e...Cover l...Contact 20...Core wire 22...Shield wire 32...Fitting notch 4...Main body 4■...Tearing part 50...Notch Groove 50a... Wall surface 0... Pole holding member L... Outer skin O... Cord outlet 3... Engaging claw piece O... Insertion hole 2... Projection O'... Sub-cut groove Patent applicant Moji Seisakusho Co., Ltd. Figure 12 Figure 11r2 -449-
Claims (5)
る座板状に形成した主体４の内周面に、主体４の径方向
の巾を狭める切込溝５０を、接続コードｂから剥き出し
て束にまとめたシールド線２２を抱え込む深さに形設し
たことを特徴とするコネクタにおけるクランプ金具。(1) Cut grooves 50 for narrowing the radial width of the main body 4 are formed on the inner circumferential surface of the main body 4, which is formed in the shape of a seat plate and has an insertion hole 40 for the connection cord b in the center part. A clamp fitting for a connector, characterized in that it is formed at a depth to hold shielded wires 22 which are exposed and gathered into a bundle.
の間隔をおいた複数個所に装設した請求項（１）記載の
コネクタにおけるクランプ金具。(2) The clamp fitting for the connector according to claim (1), wherein the cut grooves 50 are provided at a plurality of locations on the inner peripheral surface of the main body 4 at appropriate intervals in the circumferential direction.
状に形成した請求項（１）記載のコネクタにおけるクラ
ンプ金具。(3) A clamp fitting for a connector according to claim (1), wherein the main body 4 is formed in the shape of a seat plate with a cleavage portion 41 in a part of the circumferential direction.
形成した請求項（１）記載のコネクタにおけるクランプ
金具。(4) The clamp fitting for the connector according to claim (1), wherein the main body 4 is formed in the shape of an annular seat plate without the cleaving portion 41.
５０と近接する部位に、その切込溝５０と共同して主体
４の径方向の巾を狭くする副切込溝５０′を設けた請求
項（１）記載のコネクタにおけるクランプ金具。(5) On the outer periphery of the main body 4, a sub-cut is made in a region adjacent to the cut groove 50 provided on the inner circumferential surface of the main body 4, which narrows the width of the main body 4 in the radial direction in cooperation with the cut groove 50. A clamp fitting in a connector according to claim 1, wherein a groove 50' is provided.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1094472A JPH0640499B2 (en) | 1989-04-14 | 1989-04-14 | Clamp fittings for connectors |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1094472A JPH0640499B2 (en) | 1989-04-14 | 1989-04-14 | Clamp fittings for connectors |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0315179A true JPH0315179A (en) | 1991-01-23 |
| JPH0640499B2 JPH0640499B2 (en) | 1994-05-25 |
Family
ID=14111225
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1094472A Expired - Lifetime JPH0640499B2 (en) | 1989-04-14 | 1989-04-14 | Clamp fittings for connectors |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0640499B2 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5700807B2 (en) * | 2011-03-09 | 2015-04-15 | モレックス インコーポレイテドＭｏｌｅｘ Ｉｎｃｏｒｐｏｒａｔｅｄ | connector |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4221621Y1 (en) * | 1965-03-16 | 1967-12-12 | ||
| JPS571489U (en) * | 1980-06-04 | 1982-01-06 | ||
| JPS6220478U (en) * | 1985-07-22 | 1987-02-06 |
-
1989
- 1989-04-14 JP JP1094472A patent/JPH0640499B2/en not_active Expired - Lifetime
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4221621Y1 (en) * | 1965-03-16 | 1967-12-12 | ||
| JPS571489U (en) * | 1980-06-04 | 1982-01-06 | ||
| JPS6220478U (en) * | 1985-07-22 | 1987-02-06 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0640499B2 (en) | 1994-05-25 |
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