JPS61219112A - Engagement device - Google Patents

Engagement device

Info

Publication number
JPS61219112A
JPS61219112A JP5859785A JP5859785A JPS61219112A JP S61219112 A JPS61219112 A JP S61219112A JP 5859785 A JP5859785 A JP 5859785A JP 5859785 A JP5859785 A JP 5859785A JP S61219112 A JPS61219112 A JP S61219112A
Authority
JP
Japan
Prior art keywords
magnetic pole
magnetic
ferromagnetic
ferromagnetic member
pole surface
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.)
Pending
Application number
JP5859785A
Other languages
Japanese (ja)
Inventor
Tamao Morita
森田　玉男
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Tarmo Co Ltd
Original Assignee
Tarmo Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Tarmo Co Ltd filed Critical Tarmo Co Ltd
Priority to JP5859785A priority Critical patent/JPS61219112A/en
Priority to DE19863606879 priority patent/DE3606879A1/en
Priority to KR1019860001549A priority patent/KR880001493B1/en
Priority to US06/836,537 priority patent/US4700436A/en
Priority to FR8603163A priority patent/FR2584765A1/en
Priority to IT6718086A priority patent/IT1187950B/en
Priority to GB08605644A priority patent/GB2173244B/en
Priority to AU55095/86A priority patent/AU5509586A/en
Priority to CN198686102875A priority patent/CN86102875A/en
Publication of JPS61219112A publication Critical patent/JPS61219112A/en
Priority to HK98590A priority patent/HK98590A/en
Priority to SG96390A priority patent/SG96390G/en
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F7/00—Magnets
    • H01F7/02—Permanent magnets [PM]
    • H01F7/0231—Magnetic circuits with PM for power or force generation
    • H01F7/0252—PM holding devices
    • H01F7/0263—Closures, bags, bands, engagement devices with male and female parts
    • A—HUMAN NECESSITIES
    • A45—HAND OR TRAVELLING ARTICLES
    • A45C—PURSES; LUGGAGE; HAND CARRIED BAGS
    • A45C13/00—Details; Accessories
    • A45C13/10—Arrangement of fasteners
    • A45C13/1069—Arrangement of fasteners magnetic

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Adornments (AREA)
  • Purses, Travelling Bags, Baskets, Or Suitcases (AREA)

Abstract

PURPOSE:To prevent the attraction of a magnetic card, etc. to the surface of a magnetic pole surface and the destruction of a magnetic record by providing a projection at the fringe of the surface of the magnetic pole integrally forming a ferromagnetic plate attached on the surface of the magnetic pole with a permanent magnet made of a synthetic resin. CONSTITUTION:A hole 1a is made from one magnetic pole surface (a) to the other magnetic pole surface (b) of a permanent magnet 1, a ferromagnetic member 2 is attached on the magnetic pole surface (a) and the ferromagnetic member 2 and a ferromagnetic member 3 abutted on the magnetic pole surface (b) are made to be joined by the attraction of projections 2a, 3a calked to each member in free attraction and separation in the hole 1a of the magnet 1. The magnet 1 is made of a synthetic resin, the plate 2b of the ferromagnetic member 2 is integrally formed on the magnetic pole surface (a) with the magnet 1, a projected fringe 5 is provided downward at the fringe in the direction perpendicular to the magnetic pole surface (b) and the ring-shaped projected fringe wherein the longitudinal section of the tip is made an arc surface is formed.

Description

【発明の詳細な説明】 （利用分野） この発明は永久磁石を利用した係合具における強磁性板
が着脱自在に吸着する磁石の一方の磁極面から係合解状
態の時に飛び出る磁力線のため磁気カード等へ与える悪
影響を排除するようにした保合具に関するものである。Detailed Description of the Invention (Field of Application) This invention is based on the magnetic force generated by the lines of magnetic force that pop out from one magnetic pole surface of the magnet to which a ferromagnetic plate in an engagement tool using a permanent magnet is detachably attracted when the engagement is disengaged. This invention relates to a retainer designed to eliminate any negative effects on cards, etc.

（従来技術） 永久磁石を利用した係合具においては保合が解状態の時
、即ち第１４図に示すように磁石１の一方の磁極面すか
ら強磁性部材３が引き離された際には、磁気回路が解放
されて該磁極面すから磁力線が係合具外に飛び出し、該
磁極面すに近接するキャッシュカード、キップ等の磁気
記録カード或はカセットテープ等のテープ類の記録を破
壊するという問題点があり、これを防止するために強磁
性の磁気シールド板４を添設し、磁力線の飛び出しを防
止するようにしたものがあった。(Prior art) In an engagement tool using a permanent magnet, when the engagement is released, that is, when the ferromagnetic member 3 is separated from one magnetic pole face of the magnet 1 as shown in FIG. , the magnetic circuit is released and magnetic lines of force fly out from the magnetic pole face to the outside of the engagement tool, destroying the records on magnetic recording cards such as cash cards, tickets, etc., or tapes such as cassette tapes that are close to the magnetic pole face. In order to prevent this problem, some devices have attached a ferromagnetic magnetic shield plate 4 to prevent lines of magnetic force from protruding.

（発明が解決しようとする問題点） しかしながら上記の係合具に磁気カードが接近しても磁
気シールド板により、磁気記録の破壊は防止されるが、
例えばバッグからキャッシュカードを取り出す場合等に
誤って止具の表面に接触させ易く、このように磁気シー
ルド板面にその面を接触させた磁気記録カードはシール
ド板の磁力線により磁気記録が破壊されるという問題点
があった。(Problem to be Solved by the Invention) However, even if the magnetic card approaches the above-mentioned engaging tool, the magnetic shield plate prevents the magnetic recording from being destroyed.
For example, when taking out a cash card from a bag, it is easy to accidentally touch the surface of the stopper, and in a magnetic recording card whose surface is in contact with the magnetic shield plate surface, the magnetic recording will be destroyed by the magnetic lines of force of the shield plate. There was a problem.

（問題を解決するための手段） この発明は上記の問題点を解決するために提供されたも
のであって、一方の磁極面ａより他方の磁極面すに向け
て孔１ａを有する永久磁石、１の磁極面ａに添設された
強磁性部材２と、磁極面すに当接される強磁性部材３と
が、該永久磁石ｌの孔１ａを介して着脱自在に吸着され
ている係合具において、前記永久磁石１が合成樹脂製永
久磁石であり、且つ磁極面すに強磁性板４が添装され磁
石と一体に成形されていると共に、磁極面すの周縁部に
は該面すに対して直角方向に隆設され、且つその先端部
の縦断面が円弧面である突縁５が突設された構成とする
ことにより、磁気カード等が磁極面に密着することを阻
止し、磁気記録が破壊されることを防止するようにする
ことを目的としたものである。(Means for Solving the Problem) The present invention was provided to solve the above problems, and includes a permanent magnet having a hole 1a extending from one magnetic pole surface a to the other magnetic pole surface. An engagement in which a ferromagnetic member 2 attached to the magnetic pole face a of the permanent magnet 1 and a ferromagnetic member 3 abutting the magnetic pole face are removably attracted through the hole 1a of the permanent magnet l. In this device, the permanent magnet 1 is a permanent magnet made of synthetic resin, and a ferromagnetic plate 4 is attached to the magnetic pole face and molded integrally with the magnet, and the peripheral edge of the magnetic pole face is provided with a ferromagnetic plate 4 attached to the magnetic pole face. By configuring the projecting edge 5 to be protruded in a direction perpendicular to the magnetic pole surface and having a longitudinal cross section of an arcuate surface at its tip, it is possible to prevent a magnetic card, etc. from coming into close contact with the magnetic pole surface. The purpose is to prevent magnetic recording from being destroyed.

以下この発明を図面に基づいて説明する。The present invention will be explained below based on the drawings.

第１図においてＡは雌具、Ｂは雄具を示し、１は永久磁
石であって、該磁石１は一方の磁極面ａより他方の磁極
面すに向けた孔１ａが開設され、磁極面ａには強磁性部
材２が添設され、該強磁性部材２と、磁極面す上に当接
される強磁性部材３とが、それぞれにカシメ付けされた
突起部２ａ、３ａが磁石１の孔ｌａ内で着脱自在に吸着
されることにより係合するように構成されたものである
。In FIG. 1, A indicates a female tool, B indicates a male tool, and 1 is a permanent magnet, in which a hole 1a is opened from one magnetic pole surface a to the other magnetic pole surface. A ferromagnetic member 2 is attached to the magnet 1, and the ferromagnetic member 2 and the ferromagnetic member 3 that abuts on the magnetic pole face have protrusions 2a and 3a which are caulked to the magnet 1. It is configured to be engaged by being removably attracted within the hole la.

磁石１は合成樹脂製であって、取付側となる磁極面ａに
は強磁性部材２の板部２ｂが磁石１と一体成形され、該
板部２ｂには突起部２ａのカシメ付けと共に取付基板等
への止着用脚部３ｃが板部２ｂの吸着面の背面に止着突
設されている。The magnet 1 is made of synthetic resin, and a plate portion 2b of a ferromagnetic member 2 is integrally molded with the magnet 1 on the magnetic pole surface a that is the mounting side, and a mounting board is attached to the plate portion 2b with the protrusion 2a caulked. A leg portion 3c for fixing to the plate portion 2b is protrudingly provided on the back surface of the suction surface of the plate portion 2b.

又、他方の磁極面すには磁気シールド用の強磁性板４が
磁石ｌと一体に添設成形され、又その周縁部には突縁５
が磁極面すに対して直角方向に隆設されると共に、その
先端部の縦断面が円弧面をなす環状突縁に形成されてい
る。雄具Ｂは強磁性部材３を板部３ｂに突起部３ａとそ
の背面の脚部３Ｃが一体にカシメ付けにより構成された
ものである。In addition, a ferromagnetic plate 4 for magnetic shielding is molded integrally with the magnet l on the other magnetic pole face, and a ridge 5 is provided on the peripheral edge of the ferromagnetic plate 4 for magnetic shielding.
is protruded in a direction perpendicular to the magnetic pole face, and its tip is formed into an annular ridge whose longitudinal cross section is an arcuate surface. The male tool B is constructed by integrally caulking the ferromagnetic member 3 to the plate portion 3b, the protrusion portion 3a, and the leg portions 3C on the back surface thereof.

（作用） このように構成された係合具においてはその雌具Ａにお
ける雄具Ｂが着脱自在に吸着する磁極面すにキャッシュ
カード等の磁気記録カードＣが当接する場合は第３図、
第４図に示すように通常の係合具の雌具ＡとカードＣの
大きさの関係から殆どの場合はカードＣは突縁５上に載
架された状態となり、記録面は突縁５のみに接触し、強
磁性板４に直接接触することがなく、又突縁５の先端部
は前記の如く丸味をおびた形状であるため線接触であり
、接触部分は極めて小さく又、磁石ｌを構成するフェラ
イトの磁気抵抗が大きく、このため突縁５を形成する突
設部の磁力は、例えば磁石ｌが１２００ガウスの磁力を
有する場合でも５０ガウス程度しかなく、約８００ガウ
スとなる強磁性板の４カードＣに影響する磁力は３００
乃至５００ガウス程度であり、カードＣの磁気記録破壊
の限度内であるため磁気記録が破壊されることはない、
又、最悪の場合でもカードＣの角部又は周縁部が直接接
触するのみであり、第４図に示すように強磁性板４の面
が露出した雌具Ａ′の場合でもカードＣの角隅部１周縁
部には磁気記録はなされないので強磁性板４からの磁気
の影響は問題とならない。(Function) In the engagement tool configured as described above, when a magnetic recording card C such as a cash card comes into contact with the magnetic pole surface to which the male tool B of the female tool A is removably attracted, as shown in FIG.
As shown in FIG. 4, due to the size relationship between the female part A of the normal engagement tool and the card C, in most cases the card C is placed on the flange 5, and the recording surface is placed on the flange 5. Since the tip of the protrusion 5 has a rounded shape as described above, it is a line contact, and the contact area is extremely small, and the magnet l The magnetic resistance of the ferrite constituting the ferrite is large, and therefore the magnetic force of the protruding portion forming the protrusion 5 is only about 50 Gauss even if the magnet l has a magnetic force of 1200 Gauss, and is about 800 Gauss, which is ferromagnetic. The magnetic force that affects 4 cards C on the board is 300
It is about 500 gauss, which is within the limit of magnetic recording destruction of card C, so the magnetic recording will not be destroyed.
Furthermore, even in the worst case, only the corners or peripheral edges of the card C will come into direct contact with each other, and even in the case of the female fitting A' in which the surface of the ferromagnetic plate 4 is exposed as shown in FIG. Since magnetic recording is not performed on the peripheral edge of portion 1, the influence of magnetism from ferromagnetic plate 4 does not pose a problem.

（実施例） 第５図乃至第１３図はこの発明の他の実施例を示すもの
で第５図は雌具Ａの強磁性部材２における突起部２ａを
設けず、雄具Ｂの強磁性部材３の突起部３ａを直接強磁
性部材２の板部２ｂに吸着する長さとしたものであり、
第６図はその逆に突起部３ａを設けず２ａを強磁性部材
３の板部３ｂに達する長さとしたもの、第７図は第１図
に示すものにおいて強磁性板４の一面を露出させ、強磁
性部材３が吸着時該板４に直接当接するようにしたもの
である。第８図は第１図における脚部２ａ、３ａをポル
）２ｄ、３ｄ、木ねじ或はビン等として強磁性部材？、
３として一体成形して取付基板に螺着又は刺着するよう
にしたもの、第９図は強磁性部材？。(Embodiment) FIGS. 5 to 13 show other embodiments of the present invention. In FIG. The length of the protrusion 3a of No. 3 is such that it can be directly attracted to the plate portion 2b of the ferromagnetic member 2,
In contrast, FIG. 6 shows an example in which the protrusion 3a is not provided and the length of the ferromagnetic member 2a reaches the plate portion 3b of the ferromagnetic member 3, and FIG. 7 shows an example in which one side of the ferromagnetic plate 4 is exposed in the example shown in FIG. , the ferromagnetic member 3 is brought into direct contact with the plate 4 during attraction. Fig. 8 shows the legs 2a, 3a in Fig. 1) 2d, 3d, ferromagnetic members such as wood screws or bottles. ,
Figure 9 is a ferromagnetic member that is integrally molded and screwed or attached to the mounting board as shown in Figure 3. .

３を突起部２ａ、３ａと一体に形成した螺桿２ｄ’、３
ｄ’により板部２ｂ、３ｂに挿通させて構成したもの、
第１０図はカシメパイプ２ｅ、３ｅを一体に成形して該
パイプ２ｅ、３ｅにより取付基板にカシメ付けし、或は
この中に桿体を圧入し、或はこの内孔に雌ねじを刻設し
て鍔付ポルトを螺入して止着し、又は折曲げ脚片を一体
成形して折曲止着するようにしたものである。Spiral rods 2d', 3 formed integrally with projections 2a, 3a.
d' inserted through the plate parts 2b and 3b,
Fig. 10 shows a structure in which caulking pipes 2e and 3e are integrally molded and caulked to the mounting board by means of the pipes 2e and 3e, or a rod is press-fitted into the pipes, or a female thread is carved into the inner hole. A flanged port is screwed in and fastened, or bent leg pieces are integrally molded and bent and fastened.

第１１図は筒状の管の拡開された管端に取付は座金の周
縁を捲付けて一体とした止着部材２ｆ、３ｆを強磁性部
材２．３の脚部２ｃ、３Ｃの代りにカシメ付けしたもの
であり、又止着部材２ｆ、３ｆは筒状の管或は有底筒状
の管の拡開された管端を直接強磁性部材２．３に接着、
爆着等にて固着したものも使用され、止着部材２ｆ、３
ｆの他方の管端をカシメ付けたり、この管内に他のカシ
メ管を圧入して止着するようにしたものである。Fig. 11 shows that fixing members 2f and 3f, which are integrated by wrapping the periphery of a washer, are attached to the expanded end of a cylindrical tube in place of the legs 2c and 3C of the ferromagnetic member 2.3. The fixing members 2f and 3f are crimped, and the fastening members 2f and 3f are cylindrical tubes or bottomed cylindrical tubes whose expanded tube ends are directly bonded to the ferromagnetic member 2.3.
Those fixed by explosive bonding etc. are also used, and the fixing members 2f, 3
The other end of the tube f is caulked, or another caulked tube is press-fitted into this tube and fixed.

第１２図は第１図に示す係合具の磁石ｌの孔１ａを磁極
面ａ側に底部１ｂを有するものとし、該底部１ｂにおい
て強磁性部材２の突起部２ａにより磁石１と強磁性部材
２が一体とされたものである。In FIG. 12, the hole 1a of the magnet l of the engaging tool shown in FIG. 2 are combined into one.

又、第１３図はチェンアクセサリーの係合具として利用
されるものであって、°強磁性部材２の板部２ｂの一側
を延設してチェ７６の係着部とし、又強磁性部材３の板
部３ｂを折曲して強磁性部材２の板部２ｂと同一線上に
位置づけこれにチェ７８の係着をするようにした実施例
を示す。FIG. 13 shows a device used as an engagement tool for a chain accessory, in which one side of the plate portion 2b of the ferromagnetic member 2 is extended to serve as an engagement portion for a chain 76, and the ferromagnetic member An embodiment is shown in which the plate portion 3b of No. 3 is bent and positioned on the same line as the plate portion 2b of the ferromagnetic member 2, and a check 78 is engaged therewith.

この場合突縁４は、チェノ６方向に互いに対向して設け
られるものである。In this case, the projecting edges 4 are provided facing each other in the direction of the chino 6.

（効果） この発明は以上のように構成され、特に強磁性部材３が
着脱自在に吸着される磁極面すの周縁部に該面すに対し
て直角方向に突縁５が隆設されたので、係合具の解状態
の時に磁気記録カードＣ類が前記磁極面すに面接触する
ことは皆無であり、カードＣの面に作用する磁気は極め
て少なくカードＣの磁気記録破壊の限度内に押えられ、
万一カードＣが接触してもその角部又は周縁部のみであ
り、磁気記録の存在しない部分であるため磁気記録部分
は安全である。(Effects) The present invention is constructed as described above, and in particular, the protruding edge 5 is provided on the peripheral edge of the magnetic pole face on which the ferromagnetic member 3 is detachably attracted in a direction perpendicular to the face. When the engaging tool is in the released state, the magnetic recording cards C never come into surface contact with the magnetic pole faces, and the magnetism acting on the surface of the card C is extremely small and within the limit of destroying the magnetic recording of the card C. being held down,
Even if the card C were to come into contact with the card C, it would only be at the corner or the periphery, and since no magnetic recording exists, the magnetic recording portion is safe.

従って、ハンドバッグ等よりキャッシュカード類を取り
出す場合等においても、係合具に接触して磁気記録を破
壊することはない。Therefore, even when taking out a cash card from a handbag or the like, the magnetic recording will not be destroyed by contact with the engaging tool.

又、突縁５の先端部の縦断面が円弧面であるためカード
Ｃとの接触部分が少なくなり、又、メッキ処理時にも良
好な皮膜が形成され、外観も良好であると共に、メッキ
処理時に鋭角部分の形成もなく鋭角的な縁部がないため
手、指等を負傷することもない。In addition, since the vertical section of the tip of the protrusion 5 is an arcuate surface, the contact area with the card C is reduced, and a good film is formed during the plating process, resulting in a good appearance as well as a smooth surface during the plating process. Since there are no sharp edges and no sharp edges, there is no chance of injury to hands, fingers, etc.

【図面の簡単な説明】[Brief explanation of drawings]

第１図はこの発明にかかる係合具の一実施例の断面図、
第２図は同分解斜視図、第３図、第４図は磁気記録カー
ドの接触状態を示す説明図、第５図乃至第１２図は他の
各種実施例の断面図、第１３図は同斜視図、第１４図は
従来例の断面図である。 ｌ・・・磁石、２，３・・・強磁性部材、４・・・強磁
性板、５・・・突縁、ａ、ｂ・・・磁極面、Ａ・・・雌
具、Ｂ・・・雄具。FIG. 1 is a sectional view of an embodiment of the engagement tool according to the present invention;
FIG. 2 is an exploded perspective view, FIGS. 3 and 4 are explanatory diagrams showing the contact state of the magnetic recording card, FIGS. 5 to 12 are sectional views of various other embodiments, and FIG. 13 is the same. The perspective view and FIG. 14 are sectional views of a conventional example. l... Magnet, 2, 3... Ferromagnetic member, 4... Ferromagnetic plate, 5... Flange, a, b... Magnetic pole surface, A... Female fitting, B...・Male tool.

Claims (1)

【特許請求の範囲】 一方の磁極面ａより他方の磁極面ｂに向けて孔１ａを有
する永久磁石１の磁極面ａに添設された強磁性部材２と
、磁極面ｂに当接される強磁性部材３とが、該永久磁石
１の孔１ａを介して着脱自在に吸着されている係合具に
おい て、 前記永久磁石１が合成樹脂製永久磁石であ り、且つ磁極面ｂに強磁性板４が一体に成形されている
と共に、磁極面ｂの周縁部には該面ｂに対して直角方向
に隆設され、且つその先端部の縦断面が円弧面である突
縁５が突設されたことを特徴とする係合具。[Claims] A ferromagnetic member 2 attached to the magnetic pole surface a of a permanent magnet 1 having a hole 1a extending from one magnetic pole surface a to the other magnetic pole surface b, and a ferromagnetic member 2 that is in contact with the magnetic pole surface b. In the engagement tool in which the ferromagnetic member 3 is removably attracted to the permanent magnet 1 through the hole 1a, the permanent magnet 1 is a synthetic resin permanent magnet, and the magnetic pole surface b has a ferromagnetic plate. 4 is integrally molded, and a protruding edge 5 is provided on the peripheral edge of the magnetic pole face b in a direction perpendicular to the pole face b, and the longitudinal section of the tip thereof is an arcuate surface. An engagement tool characterized by the following.
JP5859785A 1985-03-07 1985-03-25 Engagement device Pending JPS61219112A (en)

Priority Applications (11)

Application Number Priority Date Filing Date Title
JP5859785A JPS61219112A (en) 1985-03-25 1985-03-25 Engagement device
DE19863606879 DE3606879A1 (en) 1985-03-07 1986-03-03 MAGNETIC FASTENING DEVICE
KR1019860001549A KR880001493B1 (en) 1985-03-07 1986-03-05 Fastners
US06/836,537 US4700436A (en) 1985-03-07 1986-03-05 Magnetic fastener
IT6718086A IT1187950B (en) 1985-03-07 1986-03-06 IMPROVEMENTS BY MAGNETIC CLOSING VEHICLES PROVIDED WITH MAGNETS FOR MAINTENANCE
FR8603163A FR2584765A1 (en) 1985-03-07 1986-03-06 MAGNETIC CLOSURE DEVICE
GB08605644A GB2173244B (en) 1985-03-07 1986-03-07 Magnetic fastener device
AU55095/86A AU5509586A (en) 1985-03-25 1986-03-21 Magnetic fastener
CN198686102875A CN86102875A (en) 1985-03-25 1986-03-22 Magnetic fastener means
HK98590A HK98590A (en) 1985-03-07 1990-11-22 Magnetic fastener device
SG96390A SG96390G (en) 1985-03-07 1990-11-29 Magnetic fastener device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5859785A JPS61219112A (en) 1985-03-25 1985-03-25 Engagement device

Publications (1)

Publication Number Publication Date
JPS61219112A true JPS61219112A (en) 1986-09-29

Family

ID=13088908

Family Applications (1)

Application Number Title Priority Date Filing Date
JP5859785A Pending JPS61219112A (en) 1985-03-07 1985-03-25 Engagement device

Country Status (3)

Country Link
JP (1) JPS61219112A (en)
CN (1) CN86102875A (en)
AU (1) AU5509586A (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102004015873B4 (en) * 2004-03-31 2007-03-22 Joachim Fiedler Detachable magnetic holder
CN107503601A (en) * 2017-10-12 2017-12-22 郑州华力电缆有限公司 Magnetic closes device
CN108006025B (en) * 2018-01-08 2023-06-13 重庆公共运输职业学院 Magnetic positioning block suitable for being used on vertical metal plate and use method thereof

Also Published As

Publication number Publication date
AU5509586A (en) 1986-10-02
CN86102875A (en) 1986-09-24

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