JPH0426784Y2 - - Google Patents
Info
- Publication number
- JPH0426784Y2 JPH0426784Y2 JP1988152150U JP15215088U JPH0426784Y2 JP H0426784 Y2 JPH0426784 Y2 JP H0426784Y2 JP 1988152150 U JP1988152150 U JP 1988152150U JP 15215088 U JP15215088 U JP 15215088U JP H0426784 Y2 JPH0426784 Y2 JP H0426784Y2
- Authority
- JP
- Japan
- Prior art keywords
- band
- housing
- worm screw
- hose
- connecting member
- 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
- 230000002265 prevention Effects 0.000 description 8
- 238000004804 winding Methods 0.000 description 8
- 230000009191 jumping Effects 0.000 description 5
- 208000027418 Wounds and injury Diseases 0.000 description 3
- 230000037431 insertion Effects 0.000 description 3
- 238000003780 insertion Methods 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 230000006378 damage Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 208000014674 injury Diseases 0.000 description 2
- 210000002445 nipple Anatomy 0.000 description 2
- 238000004080 punching Methods 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000009751 slip forming Methods 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
Landscapes
- Clamps And Clips (AREA)
Description
【考案の詳細な説明】
（産業上の利用分野）
本考案はホース締付具に関し、詳しくは金属製
の帯バンドウオームねじの回転によつて巻回した
径を収縮し内側のホースを緊締するホース締付具
に関する。[Detailed description of the invention] (Industrial application field) The invention relates to a hose tightening tool, and more specifically, the diameter of the wound metal band is contracted by rotating a metal band worm screw to tighten the inner hose. Regarding hose fasteners.
（従来の技術）
従来のウオームねじを用いたホース締付具は、
金属製の帯バンドに打ち抜き加工や打ち出しによ
つて係合部が形成され、その帯バンドの基部にハ
ウジングが定着されると共に、そのハウジング内
にウオームねじが定位置で回転し、帯バンドを周
方向に移動させるようにしたもので、特公昭58−
22676号公報の他、多数が提案されている。(Conventional technology) Hose fasteners using conventional worm screws are
An engaging portion is formed in a metal band by punching or stamping, and a housing is fixed to the base of the band, and a worm screw rotates in a fixed position within the housing to rotate the band around the band. It was designed to move in the direction of the
In addition to Publication No. 22676, many other proposals have been made.
（考案が解決しようとする課題）
上記した従来のホース締付具は、帯バンドを移
動させるウオームねじを回転する操作部が軸杆の
一側部（右側）にのみ設けられている。そのた
め、ウオームねじの操作は右回転して締付け、左
回転して緩めるといつた操作になり、その操作部
が広い空間部に位置している時は何等問題ない
が、施工上どうしても狭い場所（空間部）で行な
うこともある。そんな時、操作部が一方のみであ
るため非常に窮屈な姿勢で操作しなければならな
いと共に、左利きの人には回転方向が逆となり操
作しにくいといつた問題点を有する。(Problems to be Solved by the Invention) In the above-described conventional hose fastener, the operating section for rotating the worm screw for moving the band is provided only on one side (right side) of the shaft rod. Therefore, the operation of the worm screw is as follows: turn clockwise to tighten and counterclockwise to loosen.There is no problem when the operating part is located in a wide space, but it is necessary to do so in a narrow space for construction purposes. Sometimes it is done in the space section). In such a case, since the operating section is only on one side, the operating section must be operated in a very cramped posture, and the rotating direction is reversed, making it difficult for left-handed people to operate.
又、操作部が一側部のみである場合は、取付時
の方向が決定してしまい、逆にセツトした場合は
再度バンドを外して付け直さなければならなず作
業性に不便さを有する。 Furthermore, if the operating section is only on one side, the direction of installation is determined, and if the band is set in the opposite direction, the band must be removed and reattached, resulting in inconvenience in workability.
更に、帯バンドを移動させるウオームねじを回
転すると、それに係合した帯バンドは順次引き込
まれて巻き径が縮小され、それに伴い引き込まれ
た帯バンドの解放端側はハウジングの開口部より
飛び出し、バネ作用も働いて帯バンドの解放端側
は径方向外側へ跳ね上がることになる。 Furthermore, when the worm screw that moves the band band is rotated, the band bands engaged with it are sequentially drawn in and the winding diameter is reduced, and the free end side of the band band that has been drawn in accordingly protrudes from the opening of the housing, causing the spring to spring out. Due to this action, the free end side of the band springs up radially outward.
そのため、該帯バンドの跳ね上がり部分に手指
を引つ掛けて怪我したり、或いは衣服を引つ掛け
て損傷するといつた問題点を有する。尚、従来は
上述した危険を解消するため、完全に締付けた
後、帯バンドの跳ね上がり部分を切断するといつ
た手段が採られることもあるが、この場合は再使
用時の締付け外径が元の締付け外径より小さい箇
所でなければならないといつた制約が生じること
になる。 Therefore, there are problems in that fingers or fingers may get caught on the springing portion of the band, causing injury, or clothes may be caught and damaged. Conventionally, in order to eliminate the above-mentioned danger, measures such as cutting off the sprung part of the band after it has been completely tightened have been taken, but in this case, the outer diameter of the tightening band when reused will be the same as the original. There will be restrictions such as the location must be smaller than the tightening outer diameter.
本考案は、従来の技術の有するこのような問題
点に鑑みてなされたものであり、その目的とする
処はアオームねじの回転操作を軸杆側端の何れの
側からも操作することが出来ると共に、バンドの
解放端側の跳ね上がりを防止して安全に使用する
ことが出来るホース締付具を提供しようとするも
のである。 The present invention was devised in view of the problems of the conventional technology, and its purpose is to enable rotation of the aom screw to be operated from either side of the shaft end. In addition, it is an object of the present invention to provide a hose fastener that can be used safely by preventing the free end side of the band from jumping up.
（課題を解決するための手段）
上記目的を達成するために、本考案におけるホ
ース締付具は、ハウジング内に、定位置回転自在
に取付けたウオームねじの軸杆両側部に回転操作
用の操作部を設け、且つバンドの解放端側が飛び
出すハウジングの側壁に跳ね上がり防止片を連設
形成したことを特徴とする。(Means for Solving the Problems) In order to achieve the above object, the hose fastener of the present invention has a worm screw which is rotatably installed in a fixed position in a housing. The present invention is characterized in that a spring-preventing piece is continuously formed on the side wall of the housing from which the open end side of the band protrudes.
上記操作部の形態としては、ドライバー、
ドライバーが嵌合する又はの溝、或いは軸杆
の外周形状を六角形等の非円形とする等、何れで
もよく、それらのうちから複数個を選択して上記
の各操作部に形成する。 The form of the above operation part is a screwdriver,
The groove into which the driver fits, or the outer circumferential shape of the shaft rod may be a non-circular shape such as a hexagon, and a plurality of them may be selected and formed in each of the above-mentioned operating portions.
又、クウジングに側端に連結部材を介して連設
する跳ね上がり防止片は正面形状を略門形として
バンド巻回周方向に沿つて形成する。更に、上記
ハウジングは上下によつて構成し、下部材にバン
ドの一側部が固着されている。 Further, the flip-up prevention piece, which is connected to the side end of the housing via a connecting member, has a substantially gate-shaped front shape and is formed along the circumferential direction of the band winding. Furthermore, the housing has an upper and lower structure, and one side of the band is fixed to the lower member.
（作用）
上記手段によれば、ニツプル等の接続金具に嵌
合されたホースの外側にセツトした締付け具は、
ウオームねじの回転操作を正規の右回転操作と、
反対の左回転操作の何れによつても行なうことが
可能となる。そして、ウオームねじの回転によつ
てバンドの巻回方向に引き込まれた帯バンドの解
放端側はハウジングの開口より跳ね上がり防止片
内へと案内され、該防止片の内面に当接してバネ
作用による径方向外側への跳ね上がりは防止され
る。(Function) According to the above means, the tightening tool set on the outside of the hose fitted to the connecting fitting such as the nipple,
The rotation operation of the worm screw is the regular clockwise rotation operation,
This can be done by any of the opposite counterclockwise rotation operations. Then, the free end side of the band, which is pulled in the winding direction of the band by the rotation of the worm screw, is guided through the opening of the housing into the spring-preventing piece, comes into contact with the inner surface of the preventing piece, and is activated by the spring action. Jumping radially outward is prevented.
（実施例）
以下、本考案の実施例を図面に基づいて説明す
ると、１はバンド、２はバンド１の基部に定着し
たハウジング、３はハウジング２内に定位置回転
自在に収容したウオームねじ、４は跳ね上がり防
止片である。(Example) Hereinafter, an example of the present invention will be described based on the drawings. 1 is a band, 2 is a housing fixed to the base of the band 1, 3 is a worm screw rotatably housed in a fixed position in the housing 2, 4 is a piece to prevent jumping up.
バンド１はステンレス板を所定の幅で帯状に形
成したもので、そのバンドの長さ方向中程位置か
ら先端に至つて傾斜した係合部５が所定ピツチで
打ち出し形成され、係合部５が形成されない基部
の表面側にはハウシング２が定着されている。 The band 1 is made of a stainless steel plate formed into a belt shape with a predetermined width, and an engaging portion 5 is formed by punching out an inclined engaging portion 5 at a predetermined pitch from the middle position in the lengthwise direction to the tip. A housing 2 is fixed to the surface side of the base that is not formed.
バンド１に形成される係合部５の断面形状は非
対称の台形とし、後述するウオームねじ３のウオ
ームとの噛合が安定して確実に行なわれるように
してある。上記バンド１の基部に定着されるハウ
ジング２は、バンド１の裏側に係合定着する下部
材２ａと、その下部材２ａに係着する上部材２ｂ
とから成り、下部材２ａはバンド１の幅方向両側
に起立する側壁６が同一体に形成されると共に、
バンド１の長手方向に沿う両側部には係合片７が
上向きに起曲されてバンド１に穿設された取付孔
８に嵌合着されている。 The cross-sectional shape of the engaging portion 5 formed on the band 1 is an asymmetrical trapezoid so that the engagement with the worm of the worm screw 3 described later is performed stably and reliably. The housing 2 fixed to the base of the band 1 includes a lower member 2a that is engaged with and fixed to the back side of the band 1, and an upper member 2b that is engaged with the lower member 2a.
The lower member 2a has side walls 6 that stand up on both sides of the band 1 in the width direction and are formed integrally, and
Engagement pieces 7 are bent upward on both sides of the band 1 in the longitudinal direction and are fitted into attachment holes 8 formed in the band 1.
上部材２ｂは逆Ｕ字形に形成され、その側壁９
に穿設した差込孔１０に上記下部材２ａの側壁６
に連設した差込片１１が差し込まれ、且つ外方に
向け水平に折り曲げることによつて上下部材２
ｂ，２ａが一体的に組み付けられるようになつて
いる。 The upper member 2b is formed in an inverted U shape, and its side wall 9
The side wall 6 of the lower member 2a is inserted into the insertion hole 10 bored in the
The insertion pieces 11 connected to the upper and lower members 2 are inserted and bent horizontally outward.
b, 2a can be assembled integrally.
又、上部材２ｂの長手方向に沿つた両側開口部
には押え片１２が垂直下方に連設され、ハウジン
グ２内に収容されるウオームねじ３を定数位置に
保持する。 In addition, presser pieces 12 are vertically arranged downwardly in the openings on both sides along the longitudinal direction of the upper member 2b, and hold the worm screw 3 housed in the housing 2 at a constant position.
上記ハウジング２内に収容されるウオームねじ
３は軸杆３ａの中央部周面にウオーム３ｂが形成
され、ハウジング２より外方に突出した軸杆３ａ
の両側端には回転操作用の操作部１３，１４が形
成されている。又、軸杆３ａにおけるウオーム３
ｂと操作部１３，１４との間にはハウジング２に
形成した逆Ｕ字形の押え片１２が係着する段部１
５が形成され、それによつてウオームねじ３が軸
方向の動きを止められて定位置回転するようにし
てある。 The worm screw 3 housed in the housing 2 has a worm 3b formed on the circumferential surface of the central part of a shaft rod 3a, and a shaft rod 3a that protrudes outward from the housing 2.
Operating sections 13 and 14 for rotational operation are formed at both ends of the holder. Also, the worm 3 in the shaft rod 3a
Between b and the operation parts 13 and 14 is a stepped part 1 to which an inverted U-shaped presser piece 12 formed on the housing 2 is engaged.
5 is formed so that the worm screw 3 is prevented from moving in the axial direction and rotates in a fixed position.
上記操作部１３，１４は外形を正六角形とし、
側端面には深形の十字溝１６が形成されると共
に、その十字溝１６を構成する一方の溝は周面に
解放させて形のドライバーによつてウオームね
じ３を回転し得るようにしてある。尚、上記操作
部１３，１４は右回転する正規側と、左回転する
反対側とが区別できるように大きさを変えても良
いものである。 The operating parts 13 and 14 have a regular hexagonal outer shape,
A deep cross groove 16 is formed on the side end surface, and one groove constituting the cross groove 16 is opened to the circumferential surface so that the worm screw 3 can be rotated by a shaped screwdriver. . Incidentally, the sizes of the operating sections 13 and 14 may be changed so that the normal side for clockwise rotation and the opposite side for counterclockwise rotation can be distinguished.
更に、前記したハウジング２における上部材２
ｂの側端、即ちバンド１の解放端側が突出する側
端に、側壁６に連続する連結部材１７を介して正
面形状が略門形をなした跳ね上がり防止片４が一
体に連設されている。上記跳ね上がり防止片４の
連設方向はバンド１が巻回された周方向に沿わせ
て突出する。 Furthermore, the upper member 2 of the housing 2 described above
At the side end of b, that is, at the side end from which the open end side of the band 1 protrudes, a flip-up prevention piece 4 whose front shape is approximately gate-shaped is integrally connected via a connecting member 17 that is continuous with the side wall 6. . The direction in which the anti-jumping pieces 4 are provided protrudes along the circumferential direction in which the band 1 is wound.
以上の如き構成としたホース締付具はウオーム
ねじ３を回転することによつてバンド１が引き込
まれて該バンド１が形成する巻き径を縮小し、ニ
ツプルに嵌合されたホースを締付けることが出来
る。そして、バンド１を移動させるウオームねじ
３の回転は該ウオームねじ３の何れの側において
も操作することが出来る。 In the hose tightening tool configured as described above, by rotating the worm screw 3, the band 1 is drawn in and the diameter of the winding formed by the band 1 is reduced, thereby tightening the hose fitted to the nipple. I can do it. The rotation of the worm screw 3 for moving the band 1 can be operated on either side of the worm screw 3.
更に、巻き径の縮小に伴つてハウジング２の側
端より飛び出したバンド１の解放端はハウジング
２に連設された跳ね上がりが防止片４内に挿通さ
れ、バンド１の解放端の跳ね上がりが防止され
る。 Furthermore, the open end of the band 1 that protrudes from the side end of the housing 2 as the winding diameter is reduced is inserted into the prevention piece 4, which is connected to the housing 2, to prevent the open end of the band 1 from jumping up. Ru.
（考案の効果）
本考案のホース締付具は以上詳述したように、
ウオームねじの軸杆両側部に回転操作用の操作部
を設けたことにより、ウオームねじと噛合するバ
ンドを移動させるウオームねじの回転操作はウオ
ームねじの何れの側においても行なうことが出来
る。(Effects of the invention) As detailed above, the hose clamp of the invention has the following features:
By providing the operation parts for rotation operation on both sides of the shaft of the worm screw, the rotation operation of the worm screw for moving the band meshing with the worm screw can be performed on either side of the worm screw.
従つて、取付場所が狭く右回転する正規側での
操作が困難である場合は反対側の操作部によつて
左回転操作することによつて行なうことが出来
る。又、正規側と反対側の操作部は左回転である
ため、左利きの人は利き手によつて楽に行なうこ
とが出来る。更に、ウオームねじの両側に操作部
が設けられていることにより、締付具の取付方向
に融通性が有り、従来の如く付け直さなければな
らないといつた必要は無く、しかも夫々の操作部
には複数の工具が使用出来る形態が形成されてい
る為、使用者はいろんな工具を使つて回転操作す
ることが出来、非常に便利である。 Therefore, if the mounting space is narrow and it is difficult to operate on the normal side, which rotates clockwise, it can be performed by rotating counterclockwise using the operating section on the opposite side. In addition, since the operation section on the opposite side to the normal side rotates to the left, left-handed people can easily operate it using their dominant hand. Furthermore, since the operating parts are provided on both sides of the worm screw, there is flexibility in the mounting direction of the fastener, and there is no need to reinstall it as in the past. Since it has a configuration that allows the use of multiple tools, the user can rotate it using a variety of tools, which is very convenient.
更にまた、ウオームねじを収容したハウジング
におけるバンド解放側端の飛び出し方向に向けて
バンドの跳ね上がり防止片を連設形成したことに
より、バンドの巻き径が縮小するに伴つて生じる
バンドの解放端側の跳ね上がりは前記跳ね上がり
防止片によつて押えられ、バンドの巻き方向に沿
つて延出されることになる。従つて、バンドの突
出端を切断するといつたことをしなくても、手指
や衣服をバンドに引つ掛けるといつた危険は無
く、安心して安全に使用できるものである。 Furthermore, by forming the band jump-preventing piece in a row in the direction of protrusion of the band release side end in the housing that accommodates the worm screw, the band jump prevention piece that occurs as the winding diameter of the band is reduced can be prevented. The bounce is suppressed by the bounce prevention piece, and the band is extended along the winding direction. Therefore, even if the protruding end of the band is cut off, there is no risk of injury if fingers or clothing are caught on the band, and the band can be used safely and securely.
更に、連結部材及び跳ね上がり防止片の下側は
開放されているため、埃やその他の異物が詰まる
ことは無く、従つてバンド端部の案内挿入はスム
ーズに行われる。又、上記の連結部材及び跳ね上
がり防止片はバンドの上側に配置されているた
め、該バンドの巻き径変化には全く関係しておら
ず、それによりバンドはウオームねじの回転によ
つてスムーズに径変化されるものである。即ち、
連結部材及び跳ね上がり防止片はバンドの曲りを
阻害しておらず、その結果小さな力でバンド締め
することが出来るホース締付具を提供出来るもの
である。 Furthermore, since the lower sides of the connecting member and the flip-up prevention piece are open, there is no possibility of dust or other foreign matter becoming clogged, and therefore the guide insertion of the band end can be carried out smoothly. In addition, since the above-mentioned connecting member and flip-up prevention piece are placed above the band, they are completely unrelated to changes in the winding diameter of the band, and as a result, the diameter of the band can be smoothly changed by the rotation of the worm screw. It is subject to change. That is,
The connecting member and the anti-jumping piece do not hinder the bending of the band, and as a result, it is possible to provide a hose tightening tool that allows the band to be tightened with a small force.
図面は本考案の実施例を示し、第１図は正面
図、第２図は同縦断正面図、第３図は縦断側面
図、第４図は分解斜視図である。
図中、１……バンド、２……ハウジング、３…
…ウオームねじ、４……跳ね上がり防止片、１
３，１４……操作部。
The drawings show an embodiment of the present invention, and FIG. 1 is a front view, FIG. 2 is a longitudinal sectional front view, FIG. 3 is a longitudinal sectional side view, and FIG. 4 is an exploded perspective view. In the figure, 1...Band, 2...Housing, 3...
... Worm screw, 4 ... Jumping prevention piece, 1
3, 14...Operation unit.
Claims (1)
に、上下部材よりなるハウジングが定着し、その
ハウジング内に前記係合部と噛合するウオームね
じを定位置回転自在に設けると共に、前記ウオー
ムねじの軸杆両側部に回転操作用の操作部を設
け、その夫々の操作部は複数の工具と対応し得る
形態とし、更に前記ハウジングにおけるバンド解
放端側の側端より飛び出し方向に向けて連結部材
を突設し、その連結部材の側端に正面形状が略門
形をしたバンドの跳ね上がり防止片を一体に連設
形成したことを特徴とするホース締付具。 A housing consisting of upper and lower members is fixed to one side of the band in which engaging parts are formed with a predetermined pitch, and a worm screw that engages with the engaging part is provided in the housing so as to be rotatable in a fixed position. An operating section for rotational operation is provided on both sides of the shaft rod, each operating section is configured to be compatible with a plurality of tools, and a connecting member is provided in the direction in which the band protrudes from the side end of the housing on the band release end side. What is claimed is: 1. A hose fastener, characterized in that a spring-preventing piece of a band having a substantially gate-shaped front face is integrally formed on the side end of the connecting member.
Priority Applications (16)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988152150U JPH0426784Y2 (en) | 1988-11-21 | 1988-11-21 | |
| DE92102988T DE68911314T2 (en) | 1988-09-29 | 1989-09-18 | Hose clamp. |
| EP92102988A EP0491676B1 (en) | 1988-09-29 | 1989-09-18 | Hose clamping device |
| DE199292102988T DE491676T1 (en) | 1988-09-29 | 1989-09-18 | HOSE CLAMPING DEVICE. |
| DE68911254T DE68911254T2 (en) | 1988-09-29 | 1989-09-18 | Hose clamp. |
| EP89117209A EP0361256B1 (en) | 1988-09-29 | 1989-09-18 | Hose clamping device |
| CA000612381A CA1331275C (en) | 1988-09-29 | 1989-09-21 | Hose clamping device |
| AU42318/89A AU636120B2 (en) | 1988-09-29 | 1989-09-26 | Hose clamping device |
| MYPI89001326A MY105785A (en) | 1988-09-29 | 1989-09-27 | Hose clamping device. |
| CN 89107669 CN1018290B (en) | 1988-09-29 | 1989-09-28 | Fastening means for hoses |
| KR2019890014153U KR930001047Y1 (en) | 1988-09-29 | 1989-09-28 | Hose coupling |
| US07/414,242 US4956898A (en) | 1988-09-29 | 1989-09-29 | Hose clamping device |
| SG174494A SG174494G (en) | 1988-09-29 | 1994-12-13 | Hose clamping device |
| SG174394A SG174394G (en) | 1988-09-29 | 1994-12-13 | Hose clamping device |
| HK185695A HK185695A (en) | 1988-09-29 | 1995-12-07 | Hose clamping device |
| HK185595A HK185595A (en) | 1988-09-29 | 1995-12-07 | Hose clamping device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988152150U JPH0426784Y2 (en) | 1988-11-21 | 1988-11-21 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0272898U JPH0272898U (en) | 1990-06-04 |
| JPH0426784Y2 true JPH0426784Y2 (en) | 1992-06-26 |
Family
ID=31426816
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1988152150U Expired JPH0426784Y2 (en) | 1988-09-29 | 1988-11-21 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0426784Y2 (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3028650A (en) * | 1959-12-10 | 1962-04-10 | Page Stamping & Mfg Co Du | Worm drive hose clamp |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60161780U (en) * | 1984-04-05 | 1985-10-26 | 中央発條株式会社 | hose clamp |
| JPS63109090U (en) * | 1987-01-07 | 1988-07-13 |
-
1988
- 1988-11-21 JP JP1988152150U patent/JPH0426784Y2/ja not_active Expired
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3028650A (en) * | 1959-12-10 | 1962-04-10 | Page Stamping & Mfg Co Du | Worm drive hose clamp |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0272898U (en) | 1990-06-04 |
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