JPS583649Y2 - vice - Google Patents
viceInfo
- Publication number
- JPS583649Y2 JPS583649Y2 JP8072280U JP8072280U JPS583649Y2 JP S583649 Y2 JPS583649 Y2 JP S583649Y2 JP 8072280 U JP8072280 U JP 8072280U JP 8072280 U JP8072280 U JP 8072280U JP S583649 Y2 JPS583649 Y2 JP S583649Y2
- Authority
- JP
- Japan
- Prior art keywords
- movable
- slot
- base
- clamping part
- tightening
- 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
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- Jigs For Machine Tools (AREA)
- Gripping Jigs, Holding Jigs, And Positioning Jigs (AREA)
Description
【考案の詳細な説明】
この考案は、研削機械の加工台にとりつけて、被加工物
を固定したり、罫描き作業を行なうために被加工物を固
定するために用いるバイスに関する。[Detailed Description of the Invention] This invention relates to a vise that is attached to a processing table of a grinding machine and used for fixing a workpiece or for fixing a workpiece for marking work.
通常のバイスは、基台に締付部の一方が固定して設けら
れ、可動の締付部が、ねじ棒で固定締付部に接近させた
り離れさせたりでさるように設けてあり、かつこのねじ
棒は、可動締付部の可動範囲即ち固定締付部と可動締付
部とで締付けうる最大の長さの間、可動締付部を動かし
うるように設けられている。In a normal vise, one of the clamping parts is fixed to the base, and the movable clamping part is provided so that it can be moved closer to or away from the fixed clamping part with a threaded rod, and This threaded rod is provided so that the movable clamping part can be moved within the movable range of the movable clamping part, that is, the maximum length that can be tightened by the fixed clamping part and the movable clamping part.
このバイスにおいて小さな品物を挟んだ後、次に大きな
ものを挟むために、固定締付部と可動締付部の間を大き
く広げる場合や、またその逆の操作を行なうために、可
動締付部を急速に動かすことができるようになっている
ことが望ましい。After pinching a small item in this vise, the movable clamping part can be used to widen the gap between the fixed clamping part and the movable clamping part in order to clamp a larger item, or vice versa. It is desirable to be able to move rapidly.
このために締付けと可動締付部の移動を行なうねじ棒の
ねじのピッチは或程度大きいことが望ましい。For this reason, it is desirable that the pitch of the threads of the threaded rod for tightening and moving the movable tightening portion be relatively large.
ピッチが小さいと可動締付部の移動が仲々はかどらない
。If the pitch is small, the movement of the movable tightening part will not proceed smoothly.
しかしねじ棒のねじのピッチが大きいと、締付は後弛み
を生じ易い。However, if the thread pitch of the threaded rod is large, loosening tends to occur after tightening.
可動締付部の位置の変更を迅速に行なえると共に締付は
後弛みを生じにくいバイスは実公昭５０４５７５３号公
報で提案された。Japanese Utility Model Publication No. 5045753 proposed a vise that can quickly change the position of a movable tightening part and is less likely to loosen after tightening.
このバイスは固定物が数１０ｋｐまでの小さなものの固
定用としては利用できるが、数トンもするような大型の
被加工物の固定用としては構造上適しないことが判った
。Although this vise can be used for fixing small objects weighing up to several tens of kilometres, it has been found that it is structurally unsuitable for fixing large workpieces weighing several tons.
本考案はこのバイスを改良し大型の被加工物を確実安全
に容易に固定できるバイスを供せんとするものである。The present invention aims to improve this vise and provide a vise that can securely, safely, and easily fix large workpieces.
本考案はこの目的を達するため、実用新案登録請求の範
囲に記載した構造にバイスを形成したものである。In order to achieve this objective, the present invention has a vise formed in the structure described in the claims for utility model registration.
この考案によるバイスの一実施例を図面について説明す
ると、１は基台であって、その幅方向中央には上面１ａ
及び下面１ｂに貫通し長手方向に延長する溝孔５が設け
である。An embodiment of the vise according to this invention will be described with reference to the drawings. Reference numeral 1 denotes a base, and the center in the width direction has an upper surface 1a.
A slot 5 is provided which penetrates the lower surface 1b and extends in the longitudinal direction.
下面１ｂには、この溝孔５と直交して溝孔５の両側に延
長する多数の横溝Ｉが一定間隔で肋骨状に相対して設け
である。On the lower surface 1b, a large number of lateral grooves I extending perpendicularly to the slot 5 and extending on both sides of the slot 5 are provided facing each other at constant intervals in the shape of ribs.
下面１ｂの両側には長手方向に延長する足１３が形成し
てあって、この足１３で工作機械のベットに固定できる
ようにしである。Legs 13 extending in the longitudinal direction are formed on both sides of the lower surface 1b so that the machine tool can be fixed to a bed of a machine tool with these legs 13.
基台１の一端には固定締付部２が一体に形成してあり、
これに対向して可動締付部３が基台１の上に乗せである
。A fixed tightening part 2 is integrally formed at one end of the base 1.
Opposed to this, the movable tightening part 3 is placed on the base 1.
可動締付部３は基台１の上面１ａにまたがらせて置かれ
ている。The movable tightening part 3 is placed astride the upper surface 1a of the base 1.
可動締付部３の上面３ａと後面３ｂの角部にまたがって
開穿８が設けである。An opening 8 is provided across the corners of the upper surface 3a and rear surface 3b of the movable tightening portion 3.
この開穿８はその中央が溝孔５の真上に位置するように
設けてあって、溝孔５より幅が大きく、底部８ａは基台
１の上面１ａと平行させである。This opening 8 is provided so that its center is located directly above the slot 5, is wider than the slot 5, and has a bottom portion 8a parallel to the upper surface 1a of the base 1.
そして底部８ａから直下に向って貫通孔９が設けである
。A through hole 9 is provided directly below from the bottom 8a.
貫通孔９の幅は溝孔５の幅と同じで、溝孔５と重なるよ
うになっている。The width of the through hole 9 is the same as the width of the slot 5 and overlaps with the slot 5.
凹窪８内には、これに丁度はまり込む大きさの連結片４
が挿入され、連結片４は開穿８の基台１長手方向長さよ
り充分短かく、両側面は開穿８の相対する内面に近接し
て底部８ａ上に乗っている。Inside the recess 8 is a connecting piece 4 that is just large enough to fit into the recess 8.
is inserted, and the connecting piece 4 is sufficiently shorter than the longitudinal length of the base 1 of the opening 8, and both side surfaces are close to the opposing inner surfaces of the opening 8 and rest on the bottom 8a.
この連結片４の底部中央に可動締付部３の貫通孔９を通
して基台１の溝孔５内に延長しさらに溝孔５内を固定締
付部２の方にく字状に屈曲延長する脚１０が一体に設け
である。The connecting piece 4 is extended into the slot 5 of the base 1 through the through hole 9 of the movable clamping part 3 through the center of the bottom thereof, and then bent and extended inside the slot 5 toward the fixed clamping part 2 in a dogleg shape. Legs 10 are integrally provided.
そして脚１０の端にはピン１１が左右に貫通して横溝Ｔ
内に嵌合しうるように設けである。A pin 11 passes through the end of the leg 10 from side to side to form a horizontal groove T.
It is provided so that it can be fitted inside.
連結片４には可動締付部３の移動方向に貫通するねじ孔
１２が設けてあって、これにボルト６が挿入しである。The connecting piece 4 is provided with a screw hole 12 that penetrates in the direction of movement of the movable tightening part 3, into which a bolt 6 is inserted.
そして貫通孔９の締付方向の幅は脚１０の同方向の幅よ
り横溝Ｉの１ピッチ以上大きく、脚１０を動かさないで
可動締付部３を前後の締付方向に横溝７の１ピッチ以上
動かしうるようになっている。The width of the through hole 9 in the tightening direction is greater than the width of the leg 10 in the same direction by one pitch of the lateral groove I, and the movable tightening part 3 is moved by one pitch of the lateral groove 7 in the front and rear tightening direction without moving the leg 10. It is now possible to move more than that.
図中２３は固定締付部２の締付面に固定した焼入材から
なる締付板、３ｃは同じ可動締付部３の締付面に固定し
た同様の締付板である。In the figure, reference numeral 23 denotes a clamping plate made of hardened material fixed to the clamping surface of the fixed clamping part 2, and reference numeral 3c denotes a similar clamping plate fixed to the clamping surface of the same movable clamping part 3.
第１図ないし第３図では図が複雑になるため省略したが
、第４図、第５図に拡大して示すように可動締付部３の
移動方向に対し直角方向に延長する連結片４の角部１５
に丸味をつけ、開穿８を覆うカバー１６を可動締付部３
と一体に設けである。Although omitted from FIGS. 1 to 3 because the illustrations are complicated, as shown in enlarged form in FIGS. 4 and 5, a connecting piece 4 extending in a direction perpendicular to the moving direction of the movable tightening part 3 is shown. Corner 15 of
The cover 16 covering the opening 8 is attached to the movable tightening part 3.
It is provided integrally with the
また固定締付部２から見て連結片４より遠方のボルト６
の外周面にはリング１４が移動可能に嵌められ、リング
１４の外周に一端で放射状に固着された棒１４ａが可動
締付部３を緩く貫通して溝孔５内に延長してあり、棒１
４ａの他端と可動締付部３との間に圧縮ばね１４ｂが挿
入しである。Also, bolts 6 located further away from the connecting piece 4 when viewed from the fixed tightening part 2
A ring 14 is movably fitted on the outer circumference of the ring 14, and a rod 14a, which is radially fixed at one end to the outer circumference of the ring 14, loosely passes through the movable clamping part 3 and extends into the slot 5. 1
A compression spring 14b is inserted between the other end of 4a and the movable tightening portion 3.
従って図においてボルト６をねじ込んで行くと、ボルト
６の先端は開穿８の内面を押し、その反力は連結片４及
び脚１０を介してピン１１の係合した横溝７によって支
持され、その反対に可動締付部３は基台１上を滑って固
定締付部２の方に押される。Therefore, as shown in the figure, when the bolt 6 is screwed in, the tip of the bolt 6 pushes against the inner surface of the cutout 8, and the reaction force is supported by the lateral groove 7 engaged with the pin 11 via the connecting piece 4 and the leg 10. Conversely, the movable clamping part 3 slides on the base 1 and is pushed towards the fixed clamping part 2.
図から明らかなように、脚１０のピン１１を一つの横溝
７に係合させた位置では、脚１０と貫通孔９との間の締
付方向クリアランス分だけ、可動締付部３の可動範囲が
ある。As is clear from the figure, in the position where the pin 11 of the leg 10 is engaged with one horizontal groove 7, the movable range of the movable tightening part 3 is equal to the clearance in the tightening direction between the leg 10 and the through hole 9. There is.
この範囲はピン１１を両隣りの何れか一方の横溝７に掛
は換えた場合における可動締付部３の可動範囲と充分型
なるように設けである。This range is set so as to be sufficiently similar to the movable range of the movable fastening portion 3 when the pin 11 is hooked to either of the two adjacent lateral grooves 7.
連結片４はその底部を可動締付部３の開穿８の底部８ａ
と密着状態ではその位置を動かすことができない。The connecting piece 4 has its bottom connected to the bottom 8a of the opening 8 of the movable tightening part 3.
If the object is in close contact with the object, its position cannot be moved.
それで、連結片４に対して可動締付部３を固定締付部２
の方に許される限り前進させ、ボルト６の先端を連結片
４内に引込めると、ピン１１の係合する横溝７を中心と
して連結片４を上方に廻して持ち上げることができる。Therefore, the movable clamping part 3 is fixed to the connecting piece 4 by the clamping part 2.
When the bolt 6 is moved forward as far as allowed and the tip of the bolt 6 is retracted into the connecting piece 4, the connecting piece 4 can be rotated upward around the lateral groove 7 in which the pin 11 engages and lifted.
そしてそのまま連結片４を基台１の方に下げると、ピン
１１を係合させていた横溝７の一つから外すことができ
る。Then, by lowering the connecting piece 4 toward the base 1, the pin 11 can be removed from one of the lateral grooves 7 with which it was engaged.
この状態で可動締付部３と共に基台２の上を移動し、連
結片４の底を開穿８の底部８ａに着座させることによっ
て横溝７の一つにその脚１０のピン１１を再び嵌め込む
ことができる。In this state, the pin 11 of the leg 10 is refitted into one of the horizontal grooves 7 by moving on the base 2 together with the movable clamping part 3 and seating the bottom of the connecting piece 4 on the bottom 8a of the opening 8. can be included.
このようにこのバイスは、連結片４と脚１０、ピン１１
からなる掛は金を、基台１下面に設けたラック状の溝に
順次掛は換えて、可動締付部３の大きな位置換えが簡単
にできると共に、連結片４と可動締付部３とを相対的可
動に設けてボルト６で相互間の位置調節を小範囲で可能
としであるので、ボルト６のねじはピッチの小さいもの
を用いることができ、締付後の弛みも生じない利点があ
る。In this way, this vise consists of the connecting piece 4, the leg 10, and the pin 11.
By sequentially replacing the hooks with the rack-shaped grooves provided on the underside of the base 1, the movable tightening section 3 can be easily changed in position, and the connection piece 4 and the movable tightening section 3 can be easily changed. Since the bolts 6 are relatively movable and the positions of the bolts 6 can be adjusted within a small range, the threads of the bolts 6 can have a small pitch, which has the advantage of not loosening after tightening. be.
実公昭５０−４５７５３号公報で提案のあったバイスに
あっては、上記の脚１０を連結片４の底部から４５°の
角度で貫通孔９を通して基台１の下方に延長せしめであ
るので、貫通孔９が貫通している可動締付部３の固定締
付部２側部分は肉厚が極めて薄くなり、重量の大きなも
のの締付けに使用していると、溝孔５の方に面した部分
に亀裂が生ずる問題があった。In the vise proposed in Japanese Utility Model Publication No. 50-45753, the leg 10 is extended downward from the base 1 through the through hole 9 at an angle of 45 degrees from the bottom of the connecting piece 4. The wall thickness of the portion of the movable tightening portion 3 on the fixed tightening portion 2 side through which the through hole 9 passes is extremely thin, and when used for tightening heavy objects, the portion facing the slot hole 5 becomes extremely thin. There was a problem of cracks forming.
この問題は可動締付部３の開穿８から固定締付部２に面
する部分までの厚さを大きくすれば解決できるが、この
ようにすると、連結片４による可動締付部３の基台１へ
の圧着力の作用部が被固定物を締付ける面から遠くなる
ため、可動締付部３の被固定物を締付ける面に近い部分
が基台１に対して浮き易く不安定になる問題が生ずる。This problem can be solved by increasing the thickness of the movable clamping part 3 from the opening 8 to the part facing the fixed clamping part 2. The problem is that the part of the movable clamping part 3 that is close to the surface that clamps the fixed object tends to float relative to the base 1 and becomes unstable because the part that applies the pressure force to the base 1 is far from the surface that clamps the fixed object. occurs.
本案では、連結片４の脚１０を第２図に示すように側面
から見てく字状に屈曲したので、連結片４による可動締
付部３の基台１への圧着力の作用部を、可動締付部３の
被固定物を締付ける面から遠くならないように形成でき
るため、締付距離を変えることを迅速にでき、弛みにく
い。In this case, the legs 10 of the connecting piece 4 are bent in a dogleg shape when viewed from the side as shown in FIG. Since the movable clamping part 3 can be formed so as not to be far from the clamping surface of the object to be fixed, the clamping distance can be quickly changed and it is difficult to loosen.
重量の大きいものを固定する大型バイスでは、可動締付
部３の重量も大きくなる。In a large vise that fixes a heavy object, the weight of the movable tightening part 3 also becomes large.
可動締付部３を移動するために、ピン１１を横溝７から
外したとき、基台１が傾斜していると、基台１を固定締
付部２の方に滑り落ち手を挟んだりする危険がある。When the pin 11 is removed from the horizontal groove 7 in order to move the movable clamping part 3, if the base 1 is tilted, the base 1 may slide toward the fixed clamping part 2 and cause your hand to get caught. There is a danger.
ところが本案ではボルト６はリング１４及び棒１４ａを
介し圧縮ばね１４ｂによって開穿８の底部８ａの方に常
時押えられているので、基台１を水平に対しかなり傾斜
して用いても、ピン１１が横溝７から外れて移動するこ
とはない。However, in the present invention, the bolt 6 is always pressed toward the bottom 8a of the opening 8 by the compression spring 14b via the ring 14 and the rod 14a. will not move out of the horizontal groove 7.
また可動締付部３を移動するために、圧縮ばね１４ｂに
抗してボルト６の後端を持ち上げた場合、ボルト６や可
動締付部３から手が離れても、ボルト６は圧縮ばね１４
ｂによって、基台１と平行になるようにすぐに引き戻さ
れるので、ピン１１は直ちに横溝７と嵌合して可動締付
部３を移動しないように保持するので、手を固定締付部
２と可動締付部３との間に挟んだりする危険も防止でき
る。In addition, when the rear end of the bolt 6 is lifted against the compression spring 14b in order to move the movable tightening part 3, even if the bolt 6 or the movable tightening part 3 is removed, the bolt 6 is still attached to the compression spring 14.
b, the pin 11 is immediately pulled back to be parallel to the base 1, so the pin 11 immediately fits into the horizontal groove 7 and holds the movable clamping part 3 so that it does not move, so that the hand is not moved by the fixed clamping part 2. It is also possible to prevent the risk of being caught between the movable tightening part 3 and the movable tightening part 3.
またボルト６はリング１４を介して圧縮はね１４ｂの作
用をうけるようにしたので、ボルト６の軸方向移動も圧
縮はね１４ｂによる抵抗少なく行なうことができる。Further, since the bolt 6 is subjected to the action of the compression spring 14b via the ring 14, the bolt 6 can be moved in the axial direction with less resistance due to the compression spring 14b.
ピン１１を横溝７から外すため、第５図に鎖線で示すよ
うに連結片４を傾ける必要があるが、第５図に示すよう
に移動方向に対し直角に延長する連結片４の角に丸味を
つけることにより、この操作を容易にすることができる
。In order to remove the pin 11 from the horizontal groove 7, it is necessary to tilt the connecting piece 4 as shown by the chain line in FIG. 5. However, as shown in FIG. This operation can be made easier by adding .
このように本案は操作が容易で確実に固定でき、安全な
大型バイスを提供しうるものである。As described above, the present invention can provide a large-sized vise that is easy to operate, can be securely fixed, and is safe.
図面は本案バイスの一実施例を示したもので、第１図は
平面図、第２図は側面図、第３図は第１図のｘ−Ｘ線断
面で一部を省略したもの、第４図は本案の要部を拡大し
て示した図、第５図は第４図のＹ−Ｙ線断面図である。
１・・・・・・基台、１ａ・・・・・・１の上面、１ｂ
・・・・・・１の下面、２・・・・・・固定締付部、２
ａ・・・・・−締付板、３・・・・・・可動締付部、３
ａ・・・・・・３の上面、３ｂ・・・・・・３の後面、
３ｃ・・・・・・締付板、４・・・・・・連結片、５・
・・・・・溝孔、６・・・・・・ボルト、７・・・・・
・横溝、８・・・・・・開穿、８ａ・・・・・・８の底
部、９・・・・・・貫通孔、１０・・・・・・脚、１１
・・・・・・ピン、１２・・・・・・ねじ孔、１３・・
・・・・足、１４・・・・・・リング、１４ａ・・・・
・・棒、１４ｂ・・・・・・圧縮ばね。The drawings show an embodiment of the vise of the present invention, in which Fig. 1 is a plan view, Fig. 2 is a side view, Fig. 3 is a partially omitted cross-section taken along line XX of Fig. FIG. 4 is an enlarged view of the main part of the present invention, and FIG. 5 is a sectional view taken along the line Y--Y in FIG. 4. 1...Base, 1a...Top surface of 1, 1b
・・・・Bottom surface of 1, 2・・Fixed tightening part, 2
a...-Tightening plate, 3...Movable tightening part, 3
a...Top surface of 3, 3b...Back surface of 3,
3c...Tightening plate, 4...Connection piece, 5.
...Slot hole, 6...Bolt, 7...
・Horizontal groove, 8... Opening, 8a... Bottom of 8, 9... Through hole, 10... Leg, 11
...Pin, 12...Screw hole, 13...
...Foot, 14...Ring, 14a...
...rod, 14b...compression spring.
Claims (1)
定締付部２に対して接離可能に置かれた可動締付部３と
、可動締付部３を基台１に連結する連結片４とを具え、
基台１の幅方向中央には上下面に貫通し長手方向に延長
する溝孔５が設けられ、基台１下面にはこの溝孔５と直
交して溝孔５の両側に相対して延長する多数の横溝７が
一定間隔で設けてあり、可動締付部３には上面３ａに前
記溝孔５より幅が大きく底部８ａが基台１の上面と平行
する凹窪８が形成され、この凹窪８の底部８ａに貫通孔
９が設けてあり、連結片４は可動締付部３の凹窪８の底
部８ａに乗り凹窪８中で溝孔５の延長方向に移動可能に
形成されており、その底部８ａ中央から前記可動締付部
３め貫通孔９を通して基台１の溝孔５に延長しさらに溝
孔５内を固定締付部２の方にく字状に屈曲延長する脚１
０が一体に設けられ、脚１０の下端にピン１１が基台１
の横溝７と嵌合するように貫通固定され、また連結片４
には可動締付部３の移動方向に貫通したねじ孔１２が設
けてあって、このねじ孔１２にボルト６が挿入され、固
定締付部２から見て連結片４より遠いボルト６の外周に
移動可能にリング１４を嵌め、リング１４の外周に一端
で放射状に固着した極１’４’ａを可動締付部３を緩く
貫通させて溝孔５内に延長し棒１４ａの他端と可動締付
部３との間に圧縮ばね１４ｂを挿入したバイス。A base 1 with a fixed clamping part 2 formed at one end, a movable clamping part 3 placed on the base 1 so as to be able to approach and separate from the fixed clamping part 2, and a movable clamping part 3 placed on the base 1. a connecting piece 4 connected to 1;
A slot 5 is provided at the center of the base 1 in the width direction, penetrating the top and bottom surfaces and extending in the longitudinal direction, and a slot 5 is provided on the bottom surface of the base 1, extending perpendicularly to the slot 5 and facing both sides of the slot 5. A large number of lateral grooves 7 are provided at regular intervals, and a recess 8 is formed on the upper surface 3a of the movable tightening portion 3, the width of which is larger than the slot 5 and whose bottom portion 8a is parallel to the upper surface of the base 1. A through hole 9 is provided in the bottom 8a of the recess 8, and the connecting piece 4 is formed to be able to ride on the bottom 8a of the recess 8 of the movable tightening part 3 and to be movable in the recess 8 in the extending direction of the slot 5. It extends from the center of the bottom part 8a to the slot 5 of the base 1 through the third through hole 9 of the movable clamping part, and further bends and extends the inside of the slot 5 toward the fixed clamping part 2. leg 1
0 is provided integrally with the base 1, and a pin 11 is attached to the lower end of the leg 10.
It is fixed through the connecting piece 4 so as to fit into the horizontal groove 7 of the
is provided with a screw hole 12 penetrating in the moving direction of the movable tightening part 3, and a bolt 6 is inserted into this screw hole 12. A ring 14 is movably fitted in the ring 14, and the poles 1'4'a, which are radially fixed at one end to the outer periphery of the ring 14, are loosely passed through the movable clamping part 3 and extended into the slot 5, and are connected to the other end of the rod 14a. A vice in which a compression spring 14b is inserted between the movable tightening part 3.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8072280U JPS583649Y2 (en) | 1980-06-10 | 1980-06-10 | vice |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8072280U JPS583649Y2 (en) | 1980-06-10 | 1980-06-10 | vice |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS573566U JPS573566U (en) | 1982-01-09 |
| JPS583649Y2 true JPS583649Y2 (en) | 1983-01-21 |
Family
ID=29443150
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8072280U Expired JPS583649Y2 (en) | 1980-06-10 | 1980-06-10 | vice |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS583649Y2 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH036282Y2 (en) * | 1986-02-10 | 1991-02-18 |
-
1980
- 1980-06-10 JP JP8072280U patent/JPS583649Y2/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS573566U (en) | 1982-01-09 |
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