JPH0194826A - Method and apparatus for measuring muscle force - Google Patents
Method and apparatus for measuring muscle forceInfo
- Publication number
- JPH0194826A JPH0194826A JP62252946A JP25294687A JPH0194826A JP H0194826 A JPH0194826 A JP H0194826A JP 62252946 A JP62252946 A JP 62252946A JP 25294687 A JP25294687 A JP 25294687A JP H0194826 A JPH0194826 A JP H0194826A
- Authority
- JP
- Japan
- Prior art keywords
- grip
- load cell
- force
- spring
- main body
- 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
- 210000003205 muscle Anatomy 0.000 title claims abstract description 25
- 238000000034 method Methods 0.000 title claims description 6
- 238000005259 measurement Methods 0.000 abstract 1
- 230000006835 compression Effects 0.000 description 6
- 238000007906 compression Methods 0.000 description 6
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 description 5
- 238000006073 displacement reaction Methods 0.000 description 3
- 230000007257 malfunction Effects 0.000 description 2
- 230000003014 reinforcing effect Effects 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 210000003127 knee Anatomy 0.000 description 1
- 210000002414 leg Anatomy 0.000 description 1
- 239000003562 lightweight material Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Landscapes
- Measurement And Recording Of Electrical Phenomena And Electrical Characteristics Of The Living Body (AREA)
Abstract
Description
【発明の詳細な説明】
「産業上の利用分野」
本発明はロードセルを使用した、握り心地或いは引っ張
り心地の良好な握力、背筋力の筋力測定方法並びにその
装置に関するものである。DETAILED DESCRIPTION OF THE INVENTION "Industrial Application Field" The present invention relates to a method and apparatus for measuring grip strength and back muscle strength using a load cell that provides good grip or pulling comfort.
「従来の技術」
従来、ロードセルを使用した握力針、背筋力計等の測定
計においては、該測定計の本体に不動状にロードセルの
一端を固定し、該ロードセルの他端に連結した把持部を
引っ張り、ロードセルで該引っ張り力を検出し、筋力を
測定する方法並びに装置がある。"Prior Art" Conventionally, in measuring instruments such as grip force needles and back muscle strength meters that use load cells, one end of the load cell is immovably fixed to the main body of the measuring instrument, and a grip part is connected to the other end of the load cell. There are methods and devices for measuring muscle strength by pulling a muscle and detecting the pulling force with a load cell.
「発明が解決しようとする問題点」
従来のロードセルの一端を握力針、背筋力計等の測定計
の本体に不動状に固定したものでは、ロードセルの他端
に連結した把持部を引っ張っても、該把持部の変位が殆
どないため、把持部を引っ張った手応えが感じられず、
筋力を測定した充足感がないという欠点があり、そのた
め故障と間違われ、乱暴に取り扱われたりする欠点を存
したものである。そこで本発明はロードセルを使用して
も、従来の機械式或いはデジタル式のこの種筋力測定計
と同様に、引っ張った手応えが惑しられ、いかにも筋力
測定をしたという充足感を与える筋力測定方法並びにそ
の装置を提供することを目的とするものである。``Problems to be Solved by the Invention'' In conventional load cells in which one end is immovably fixed to the main body of a measuring instrument such as a grip force needle or a back muscle strength meter, even if the grip connected to the other end of the load cell is pulled, , Since there is almost no displacement of the gripping part, you cannot feel the response when pulling the gripping part,
It has the disadvantage that there is no sense of satisfaction in measuring muscle strength, and as a result, it can be mistaken for a malfunction and may be handled roughly. Therefore, the present invention provides a method and method for measuring muscle strength that, even when a load cell is used, gives a sense of satisfaction that the muscle strength has been measured, since the pulling response is misleading, similar to conventional mechanical or digital muscle strength measuring meters of this type. The purpose of this invention is to provide such a device.
「問題点を解決するための手段」
本発明は前記問題点を解決するためになされたもので、
ロードセル４の一端の固定６を握力、背筋力等の測定計
１の本体２にばね３を介して可動状に固定し、ロードセ
ル４の他端の可動部７を握力計の中握り、背筋力計のハ
ンドル等の把持部５と連結したものである。"Means for Solving the Problems" The present invention has been made to solve the problems mentioned above.
A fixed part 6 at one end of the load cell 4 is movably fixed to the main body 2 of a measuring meter 1 for measuring grip strength, back muscle strength, etc. via a spring 3, and a movable part 7 at the other end of the load cell 4 is fixed to the main body 2 of a meter 1 for measuring grip strength, back muscle strength, etc. It is connected to a grip part 5 such as a handle of a meter.
「作用」
握力、背筋力等の測定計１の把持部５を引っ張ることに
より、本体２にばね３を介して可動状に固定されたロー
ドセル４自体が可動部７、固定部６を介して引っ張られ
、ロードセル４は把持部５と共にばね３の弾力に抗して
変位し、ロードセル４には把持部５を引っ張る力（作用
）と、該引っ張る力と同じ大きさの逆向きのばねの弾力
（反作用）とがかかるから、ロードセル４は従来の本体
２に固定部６を固定された状態と同様になり、ロードセ
ル４は把持部５を引っ張る力を検出するものである。"Operation" By pulling the grip part 5 of the measuring meter 1 for measuring grip strength, back muscle strength, etc., the load cell 4 itself, which is movably fixed to the main body 2 via the spring 3, is pulled via the movable part 7 and the fixed part 6. The load cell 4 is displaced together with the grip part 5 against the elasticity of the spring 3, and the load cell 4 has a force (action) that pulls the grip part 5 and an elastic force (action) of the spring in the opposite direction of the same magnitude as the pulling force. Because of this, the load cell 4 is in the same state as the conventional main body 2 with the fixed part 6 fixed, and the load cell 4 detects the force that pulls the grip part 5.
「実施例」
今、ここに本発明の実施例を示した添付図面について詳
説する。Embodiments Reference will now be made in detail to the accompanying drawings, which illustrate embodiments of the invention.
実施例１
本実施例のものは第１図〜第３図に示すもので、１は握
力を測定する測定計である。２は該測定計１の枠状の本
体で、アルミニウム合金等の軽量の材料で作製し、第１
図に示すように下端両側方に支柱８，８を平行に突設し
、該支柱８゜８の下端に外握り９をねじ止め等し、外部
１０としたものである。３は圧縮コイルばねで、第１図
に示すように１００ ｋｇ位まで測定可能のロードセル
４の一端の固定部６を前記本体２の上向面に添接し、下
部を前記本体２上面に穿設した貫通孔２ａに挿通し、下
端を前記固定部６に固着した案内棒１１を設け、該案内
棒１１に上端より挿入したもので、案内棒１１の上方よ
り該ばね３の上端にばね受け１２を挿嵌し、ナツト１３
．１３を案内棒１１上端より挿嵌し、該ばね受け１２と
本体２上面との間にばね３を締め付け、ロードセル４を
ばね３の弾力に抗して下降するよう可動状に固定するも
のである。１４はロードセル４の他端の可動部７に一端
を固定した第１図に示すようなジヨイントである。１５
は把持部５を構成する外部１０内に挿嵌する白燈で、下
端に中握り１６を成形し、両側に突設した突起１７．１
７を前記核部１０の支柱８゜８内面に穿設した溝１８．
１８に嵌入して外部１０内を摺動するものである。１９
は連結杆で、ロードセル４の可動部７と白燈１５とを連
結するもので、先端部にねじ１９ａを穿設し、基部を内
鑵１５上面に回動自在に挿嵌して軸支し、基端に握り幅
調整つまみ２０を固定し、該先端部を前記本体２下面に
穿設した貫通孔２ｂに挿通し、前記ジヨイント１４の他
端に穿設した該ねじ１９ａに噛合するねじ孔１４ａ内に
挿嵌し、該つまみ２０を回して該ねじ１９ａをねじ孔１
４ａ内に挿抜することにより、外握り９と内握り１６間
の握り幅を調整自在とするものである。２１は前記本体
２の一側面上方に穿設した長孔で、ロードセル４の下方
への変位に合わせ、ロードセル４と外部の電源、表示針
、記録記（いずれも図示せず）とを連絡するリード線２
２を取り出すためのものである。２３は切欠部で、第２
図に示すように長孔２１の上部を正面方向に切欠して成
形したもので、ロードセル４を本体２内に挿嵌する際に
、該リード線２２を長孔２１に挿入するためのものであ
る。２２ａはリード線２２の基部に設けた補強部である
。Example 1 This example is shown in FIGS. 1 to 3, and 1 is a meter for measuring grip strength. 2 is a frame-shaped main body of the measuring meter 1, which is made of lightweight material such as aluminum alloy;
As shown in the figure, pillars 8, 8 are protruded in parallel on both sides of the lower end, and an outer grip 9 is screwed or the like to the lower end of the pillars 8.8 to form an exterior 10. 3 is a compression coil spring, and as shown in FIG. 1, a fixed part 6 at one end of a load cell 4 capable of measuring up to about 100 kg is attached to the upper surface of the main body 2, and a lower part is bored in the upper surface of the main body 2. A guide rod 11 is inserted into the through hole 2a and fixed at the lower end to the fixing part 6, and is inserted into the guide rod 11 from the upper end. Insert the nut 13
．． 13 is inserted from the upper end of the guide rod 11, and the spring 3 is tightened between the spring receiver 12 and the upper surface of the main body 2, and the load cell 4 is movably fixed so as to descend against the elasticity of the spring 3. . Reference numeral 14 is a joint as shown in FIG. 1, which has one end fixed to the movable part 7 at the other end of the load cell 4. 15
1 is a white light that is inserted into the outer part 10 that constitutes the grip part 5, and has a middle grip 16 formed at the lower end and protrusions 17.1 protruding from both sides.
A groove 18.7 is bored into the inner surface of the pillar 8.8 of the core portion 10.
18 and slides inside the exterior 10. 19
1 is a connecting rod that connects the movable part 7 of the load cell 4 and the white light 15. A screw 19a is drilled at the tip, and the base is rotatably inserted into the upper surface of the inner chisel 15 for pivotal support. , a grip width adjustment knob 20 is fixed to the base end, the tip thereof is inserted into a through hole 2b drilled on the lower surface of the main body 2, and a screw hole is engaged with the screw 19a drilled at the other end of the joint 14. 14a, and turn the knob 20 to insert the screw 19a into the screw hole 1.
The grip width between the outer grip 9 and the inner grip 16 can be adjusted by inserting and removing the grip into the inner grip 4a. Reference numeral 21 denotes a long hole drilled in the upper part of one side of the main body 2, which communicates the load cell 4 with an external power source, an indicator needle, and a recorder (none of which are shown) in accordance with the downward displacement of the load cell 4. Lead wire 2
This is for taking out 2. 23 is a notch, the second
As shown in the figure, the upper part of the elongated hole 21 is cut out in the front direction, and the lead wire 22 is inserted into the elongated hole 21 when the load cell 4 is inserted into the main body 2. be. 22a is a reinforcing portion provided at the base of the lead wire 22.
次にこれを使用するに当たっては、握り幅調整つまみ２
０を回して外握り９と内握り１６間の握り幅を調整し、
外握り９と内握り１６とを力いっばい握ると、連結杆１
９、ジヨイント１４を介してロードセル４の可動部７が
引き下げられ、ロードセル４は固定部６を介して圧縮コ
イルばね３の弾力に抗して案内棒１１を牽引し、第３図
に示すように下方に変位するものである。Next time you use this, use the grip width adjustment knob 2.
Turn 0 to adjust the grip width between the outer grip 9 and the inner grip 16,
When you squeeze the outer grip 9 and the inner grip 16 with all your might, the connecting rod 1
9. The movable part 7 of the load cell 4 is pulled down through the joint 14, and the load cell 4 pulls the guide rod 11 through the fixed part 6 against the elasticity of the compression coil spring 3, as shown in FIG. It is displaced downward.
実施例２
本実施例のものは第４図〜第６図に示すもので、１は背
筋力を測定する測定計である。２は該測定計１の踏台２
４にユニバーサルジヨイント２４ａを介して下端の脚２
５ａ、２５ａで連結した底板２５を固定した枠状本体で
、鋼鉄等で作製したち・のである。３は圧縮コイルばね
で、第４図に示すように３００ｋｇ位まで測定可能のロ
ードセル４の一端の固定部６を前記本体２の下内面に添
接し、上部を前記本体２下面に穿設した貫通孔２Ｃに挿
通し、上端を前記固定部６に固着した案内棒２６を設け
、該案内棒２６の下端より挿入したもので、案内棒２６
の下方より該ばね３の下端にばね受け２７を挿嵌し、ナ
ツト２８．２８を案内棒２６下端より挿嵌し、該ばね受
け２７と本体２下面との間にばね３を締め付け、ロード
セル４をばね３の弾力に抗して上昇するよう可動状に固
定するものである。Example 2 This example is shown in FIGS. 4 to 6, and 1 is a meter for measuring back muscle strength. 2 is the step stool 2 of the measuring meter 1
4 through the universal joint 24a to the lower end leg 2.
It is a frame-shaped main body to which a bottom plate 25 connected by 5a and 25a is fixed, and is made of steel or the like. 3 is a compression coil spring, and as shown in FIG. 4, a fixing part 6 at one end of a load cell 4 capable of measuring up to about 300 kg is attached to the lower inner surface of the main body 2, and the upper part is a through hole bored in the lower surface of the main body 2. A guide rod 26 is inserted into the hole 2C and has its upper end fixed to the fixing part 6, and is inserted from the lower end of the guide rod 26.
The spring receiver 27 is inserted into the lower end of the spring 3 from below, the nuts 28 and 28 are inserted into the lower end of the guide rod 26, the spring 3 is tightened between the spring receiver 27 and the lower surface of the main body 2, and the load cell 4 is movably fixed so as to rise against the elasticity of the spring 3.
１４はロードセル４の他端の可動部７に一端を固定した
実施例１と同様のジヨイントである。Reference numeral 14 denotes a joint similar to that in the first embodiment, in which one end is fixed to the movable part 7 at the other end of the load cell 4.
２９は把持面５を構成するハンドルで、把持棒２９ａの
中間にチェーン２９ｂを連結して成り、該チェーン２９
ｂの先端部を該ロードセル４の他端の可動部７に固定し
たジヨイント１４の他端に、枠体２上面の貫通孔２ｄを
挿通して固着したフック３０に掛けてチェーン２９ｂの
長さを調整し、上体の傾斜角度を調節するものである。Reference numeral 29 denotes a handle constituting the gripping surface 5, which is composed of a gripping rod 29a and a chain 29b connected to the middle thereof.
The length of the chain 29b is determined by inserting the tip end of the chain 29b into the other end of the joint 14, which is fixed to the movable part 7 at the other end of the load cell 4, through the through hole 2d on the upper surface of the frame body 2, and hooking it onto the fixed hook 30. It is used to adjust the angle of inclination of the upper body.
２１は実施例１と同様の長孔で、ロードセル４の上方へ
の変位に合わせて、ロードセル４のリード線２２を取り
出すためのものである。Reference numeral 21 is a long hole similar to that in the first embodiment, and is for taking out the lead wire 22 of the load cell 4 in accordance with the upward displacement of the load cell 4.
２３は前記同様の切欠部で、第５図に示すように長孔２
１の下部を正面方向に切欠して成形したものである。２
２ａは前記同様のリード線２２基部の補強部である。23 is a notch similar to the above, and as shown in FIG.
1 with the lower part cut out in the front direction. 2
2a is a reinforcing portion of the base of the lead wire 22 similar to the above.
次に、これを使用するに当たっては、ハンドル２９のチ
ェーン２９ｂを、長さを調整してロードセル４の可動部
７に固定したフック３０に掛け、踏台２４に足を乗せ、
膝を伸ばしたまま、上体を起こすようにハンドル２９の
把持棒２９ａを引くと、チェーン２９ｂ１フツク３０を
介してロードセル４の可動部７が引き上げられ、ロード
セル４は固定部６を介して圧縮コイルばね３の弾力に抗
して案内棒２６を牽引し、第６図に示すよう上方に変位
するものである。Next, when using this, adjust the length of the chain 29b of the handle 29 and hang it on the hook 30 fixed to the movable part 7 of the load cell 4, place your foot on the step stool 24,
When you pull the grip bar 29a of the handle 29 to raise your upper body while keeping your knees straight, the movable part 7 of the load cell 4 is pulled up via the chain 29b1 and the hook 30, and the load cell 4 is attached to the compression coil via the fixed part 6. The guide rod 26 is pulled against the elastic force of the spring 3, and is displaced upward as shown in FIG.
「発明の効果」
本発明は以上のような構成を有するから、把持部５を構
成する白燈１５の中握り１６またはハンドル２９の把持
棒２９ａを引（と、ロードセル４は圧縮コイルばね３の
弾力に抗して下方または上方に変位し、圧縮コイルばね
３の強さを握力または背筋力測定に対し、適宜設定すれ
ば筋力測定の際に把持部５を引っ張った手応えが感じら
れ、筋力を測定した充足感がある。そのため故障と間違
われたりすることなく、乱暴に取り扱われることがない
。"Effects of the Invention" Since the present invention has the above configuration, when the middle grip 16 of the white light 15 constituting the grip part 5 or the grip rod 29a of the handle 29 is pulled (the load cell 4 is If the strength of the compression coil spring 3 is set appropriately for measuring grip strength or back muscle strength by displacing downward or upward against the elastic force, the response of pulling the grip part 5 can be felt when measuring muscle strength, and the strength of the compression coil spring 3 can be adjusted. It has a measured sense of fulfillment, so it can't be mistaken for a malfunction or be handled roughly.
添付図面は本発明実施例を示したもので、第１図〜第３
図は実施例１のもので、第１図は正面図、第２図は側面
図、第３図は白燈の中握りを引っ張った状態の正面図、
第４図〜第６図は実施例２のもので、第４図は要部正面
図、第５図はハンドルを省略した側面図、第６図はハン
ドルの把持棒を引っ張った状態のハンドルを省略した正
面図である。
１−測定計、２−本体、２ａ、２ｂ、２ｃ、２ｄ・・−
・貫通孔、３−ばね、４−ロードセル、５− 把持部
、６−・−固定部、７−・−可動部、８−支柱、９−・
−外握り、１０−・−外部、１１・−案内棒、１２・・
−・ばね受け、１３−サット、１４−ジヨイント、１４
ａ−・ねじ孔、１５−・白燈、１６− 中握り、１７
−突起、１８−・溝、１９一連結杆、１９ａ・〜ねじ、
２〇−握り幅調整つまみ、２１−長孔、２２−・−リー
ド線、２２ａ・−補強部、２３−切欠部、２４−・・踏
台、２４ａ・−ユニバーサルジヨイント、２５−底板、
２５ａ−脚、２６−・案内棒、２７・−・ばね受け、２
８−ナツト、２９−・・ハンドル、２９ａ−把持棒、２
９ｂ−チェーン、３０・−フック。The attached drawings show embodiments of the present invention, and include Figures 1 to 3.
The figures are of Embodiment 1: Figure 1 is a front view, Figure 2 is a side view, Figure 3 is a front view of the white light with the middle grip pulled out,
Figures 4 to 6 are of Embodiment 2. Figure 4 is a front view of the main parts, Figure 5 is a side view with the handle omitted, and Figure 6 is the handle with the handle's grip bar pulled out. It is an abbreviated front view. 1-measuring meter, 2-main body, 2a, 2b, 2c, 2d...-
・Through hole, 3-Spring, 4-Load cell, 5-Gripping part, 6--Fixed part, 7--Movable part, 8-Strut, 9--
-Outer grip, 10--External, 11--Guide rod, 12...
-・Spring retainer, 13-sat, 14-joint, 14
a-・screw hole, 15-・white light, 16- middle grip, 17
- protrusion, 18 - groove, 19 series of ties, 19a - screw,
20-grip width adjustment knob, 21-long hole, 22--lead wire, 22a--reinforcement part, 23-notch part, 24--step stool, 24a--universal joint, 25-bottom plate,
25a-leg, 26--guide rod, 27--spring receiver, 2
8-nut, 29--handle, 29a-grip rod, 2
9b-chain, 30-hook.
Claims (1)
在させることを特徴とする筋力測定方法。 ２、握力、背筋力等の測定計の本体にばねを介してロー
ドセルの一端を固定し、該ロードセルの他端に把持部を
連結したことを特徴とする筋力測定装置。[Claims] 1. A method for measuring muscle strength, characterized in that a load cell is movably interposed in a meter for measuring grip strength, back muscle strength, etc. 2. A muscle strength measuring device, characterized in that one end of a load cell is fixed to the main body of the meter for measuring grip strength, back muscle strength, etc. via a spring, and a grip part is connected to the other end of the load cell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP62252946A JPH0194826A (en) | 1987-10-07 | 1987-10-07 | Method and apparatus for measuring muscle force |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP62252946A JPH0194826A (en) | 1987-10-07 | 1987-10-07 | Method and apparatus for measuring muscle force |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0194826A true JPH0194826A (en) | 1989-04-13 |
| JPH0410816B2 JPH0410816B2 (en) | 1992-02-26 |
Family
ID=17244358
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP62252946A Granted JPH0194826A (en) | 1987-10-07 | 1987-10-07 | Method and apparatus for measuring muscle force |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0194826A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100408698B1 (en) * | 2000-08-29 | 2003-12-06 | 김양수 | Apparatus for providing muscular exercise prescription by peak power measurement |
| KR100417108B1 (en) * | 2002-02-18 | 2004-02-05 | 김종관 | Automatic weight setting method for exercise and weight training device using thereof |
| KR100466666B1 (en) * | 2002-11-15 | 2005-01-15 | 주식회사 코디소프트 | handle structure for health exercise apparatus to enable measurement of physical health information during exercise |
| US9857261B2 (en) * | 2012-03-30 | 2018-01-02 | Institut De Myologie | System for measuring a palmar gripping force |
| CN114653024A (en) * | 2022-03-28 | 2022-06-24 | 江苏省苏北人民医院 | Patient rehabilitation grip strength device, detection system and use method of detection system |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60153104U (en) * | 1984-03-21 | 1985-10-12 | 寿工業株式会社 | muscle strength measuring device |
-
1987
- 1987-10-07 JP JP62252946A patent/JPH0194826A/en active Granted
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60153104U (en) * | 1984-03-21 | 1985-10-12 | 寿工業株式会社 | muscle strength measuring device |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100408698B1 (en) * | 2000-08-29 | 2003-12-06 | 김양수 | Apparatus for providing muscular exercise prescription by peak power measurement |
| KR100417108B1 (en) * | 2002-02-18 | 2004-02-05 | 김종관 | Automatic weight setting method for exercise and weight training device using thereof |
| KR100466666B1 (en) * | 2002-11-15 | 2005-01-15 | 주식회사 코디소프트 | handle structure for health exercise apparatus to enable measurement of physical health information during exercise |
| US9857261B2 (en) * | 2012-03-30 | 2018-01-02 | Institut De Myologie | System for measuring a palmar gripping force |
| CN114653024A (en) * | 2022-03-28 | 2022-06-24 | 江苏省苏北人民医院 | Patient rehabilitation grip strength device, detection system and use method of detection system |
| CN114653024B (en) * | 2022-03-28 | 2023-08-15 | 江苏省苏北人民医院 | Grip strength device for patient rehabilitation, detection system and method of use thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0410816B2 (en) | 1992-02-26 |
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