WO2012124170A1 - 端子およびこれを用いたコネクタ - Google Patents
端子およびこれを用いたコネクタ Download PDFInfo
- Publication number
- WO2012124170A1 WO2012124170A1 PCT/JP2011/057180 JP2011057180W WO2012124170A1 WO 2012124170 A1 WO2012124170 A1 WO 2012124170A1 JP 2011057180 W JP2011057180 W JP 2011057180W WO 2012124170 A1 WO2012124170 A1 WO 2012124170A1
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- WO
- WIPO (PCT)
- Prior art keywords
- movable contact
- terminal
- contact
- housing
- connector
- Prior art date
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Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/02—Contact members
- H01R13/22—Contacts for co-operating by abutting
- H01R13/24—Contacts for co-operating by abutting resilient; resiliently-mounted
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R12/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, specially adapted for printed circuits, e.g. printed circuit boards [PCB], flat or ribbon cables, or like generally planar structures, e.g. terminal strips, terminal blocks; Coupling devices specially adapted for printed circuits, flat or ribbon cables, or like generally planar structures; Terminals specially adapted for contact with, or insertion into, printed circuits, flat or ribbon cables, or like generally planar structures
- H01R12/50—Fixed connections
- H01R12/51—Fixed connections for rigid printed circuits or like structures
- H01R12/55—Fixed connections for rigid printed circuits or like structures characterised by the terminals
- H01R12/57—Fixed connections for rigid printed circuits or like structures characterised by the terminals surface mounting terminals
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/02—Contact members
- H01R13/22—Contacts for co-operating by abutting
- H01R13/24—Contacts for co-operating by abutting resilient; resiliently-mounted
- H01R13/2407—Contacts for co-operating by abutting resilient; resiliently-mounted characterized by the resilient means
- H01R13/2428—Contacts for co-operating by abutting resilient; resiliently-mounted characterized by the resilient means using meander springs
Definitions
- the present invention relates to a terminal, for example, a terminal that can be used by being directly mounted on a side end surface of a substrate, as well as being incorporated in a housing to form a connector.
- a conductive pin is disposed in a conductive tube so as to be slidable in a protruding and retracting direction and not to be pulled out, and the conductive pin is elastically biased in the protruding direction.
- the spring connector in which the coil spring is contracted at least a part of the winding outer diameter of the coil spring is set to be smaller than or equal to the winding inner diameter of the other part shifted by one turn, and the coil spring contracts.
- the part can be accommodated inside the other part (see Patent Document 1). As shown in FIG.
- Patent Document 1 in the aforementioned spring connector 20, the conductive pin 14 is urged in the axial direction by a coil spring 26. And it is the structure which electrically connects, ensuring the predetermined contact pressure by press-contacting to the contact terminal 46 of the battery 44 shown in FIG.
- the terminal according to the present invention can prevent the connection pad of the battery from being damaged by reducing the contact pressure without reducing the urging force to the movable contact portion, and also prevent the current carrying capacity from being reduced due to heat generation of the movable contact portion. It is an object to provide a terminal that can be used.
- the terminal according to the present invention is a terminal having a movable contact portion that protrudes from a contact hole of a housing so as to be able to be inserted and removed, and is capable of elastically deforming the contact surface of the movable contact portion.
- This is a configuration formed of parts.
- the contact surface of the movable contact portion is elastically deformed when pressed against the battery pad, and the contact area is increased, thereby reducing the contact pressure without reducing the urging force against the movable contact portion.
- the battery connection pad can be prevented from being damaged.
- the exposed area in the movable contact portion increases, a cooling efficiency is improved, and a terminal that is unlikely to become high temperature and that is less likely to have a reduced electric capacity can be obtained.
- the contact surface of the movable contact portion is formed of an arcuate thin portion, the mass of the movable contact portion itself is reduced and the inertial force is reduced.
- the arcuate thin portion may have a uniform thickness. According to this embodiment, a terminal that can be easily manufactured by press molding or electroforming is obtained.
- the arcuate thin portion may be gradually increased toward the base. According to this embodiment, stress is less likely to concentrate on the base of the arcuate thin portion, and a terminal having a long life can be obtained.
- the connector according to the present invention has a configuration in which the movable contact portion related to the terminal is protruded from a contact hole provided in the housing.
- the contact surface of the movable contact portion comes into pressure contact with the connection pad of the battery, it is elastically deformed and the contact area increases, thereby reducing the contact pressure without reducing the urging force against the movable contact portion. Therefore, the battery connection pad can be prevented from being damaged. Further, since the exposed area in the movable contact portion increases, a cooling efficiency is improved, and a connector that is unlikely to become high temperature and that is less likely to have a reduced electric capacity can be obtained. Furthermore, since the contact surface of the movable contact portion is formed of an arcuate thin portion, the mass of the movable contact portion itself is reduced and the inertial force is reduced.
- the contact surface of the movable contact portion may be elastically deformed when the contacted object is pressed. According to this embodiment, it is difficult to concentrate stress, and there is an effect that a connector having a long life can be obtained.
- FIG. 2A, 2B, and 2C are a perspective view showing a housing for assembling a terminal according to the present invention, and a cross-sectional perspective view taken along line BB and CC shown in FIG. 2A.
- 3A and 3B are perspective views of the fixture and terminals illustrated in FIG. 4A and 4B are plan views showing before and after operation of the terminals according to the connector shown in FIG.
- movement before and behind of the terminal which concerns on the connector shown in FIG. 6A and 6B are charts showing the results of calculating the elastic deformation of the contact surface in the movable contact portion of the terminal according to the present invention under different conditions.
- FIG. 6B is a chart showing conditions and results for calculating a change in contact pressure before and after the operation of the terminal according to the chart shown in FIG. 6A.
- 6D is a chart showing the results of calculating changes in contact pressure before and after operation of the terminal according to the chart shown in FIG. 6B under different conditions.
- the fixing bracket 20 is press-fitted at a predetermined pitch into a resin-molded housing 10 having a height of 4 mm, and the connection terminal 30 is interposed between the fixing brackets 20, 20. Is applied to a connector that has been press-fitted.
- the housing 10 is provided with a first storage space 11 into which a fixing metal fitting 20 can be press-fitted from above, at a predetermined pitch.
- a ridge 12 is provided.
- the housing 10 is provided with three second storage spaces 13 in which the connection terminals 30 can be press-fitted from the back side between the first storage spaces 11 and 11.
- the second storage spaces 13 provided at both ends are partitioned by a partition wall 13a.
- the housing 10 is provided with a contact hole 14 on the front side thereof so as to communicate with the second storage space 13 and to allow a movable contact portion 36 to be described later to be taken in and out, and to communicate with the second storage space 13.
- a press-fitting hole 15 is provided.
- Reinforcing ribs 16 project from the opening edges on both sides of the contact hole 14, and a position restricting receiving portion 17 is formed on the upper edge of the contact hole 14. Further, the housing 10 is provided with a peep hole 18 communicating with the second storage space 13 at the front side edge of the upper surface thereof.
- the fixing bracket 20 is a substantially gate-shaped press-molded product formed by punching a metal thin plate by pressing, and has a locking claw 21 protruding from the inner surface thereof. Therefore, when the fixing bracket 20 is press-fitted into the first storage space 11 of the housing 10 from above, the locking claw 21 is locked to the locking protrusion 12 of the housing 10 and the fixing bracket 20 is removed. The fixing lower end portion 22 of the fixing bracket 20 is exposed so as to be connected and fixed from the bottom surface of the housing 10 (FIG. 5).
- connection terminal 30 projects a substantially J-shaped support portion 32 upward from the press-fit fixing portion 31 and also extends from the first branch portion 33 a located at the tip of the support portion 32 to the first extension.
- the existing portion 34a and the second branch portion 33b extend, and the second and third extended portions 34b and 34c branch from the second branch portion 33b.
- the press-fit fixing portion 31 has a locking claw 31a projecting from the upper surface of one end portion thereof, and a connection portion 31b is formed from the lower surface of the other end portion to form a press-fit notch portion 31c. It is.
- first, second, and third extending portions 34a, 34b, and 34c branched from the first branch portion 33a and the second branch portion 33b extend so as to meander in substantially parallel to each other. Second slits 35a and 35b are formed. For this reason, there is an advantage that stress concentration on the branch portions 33a and 33b is less likely to occur, the life is extended, and the degree of freedom in design is increased. Furthermore, a movable contact portion 36 is provided at a free end portion formed by integrating the distal ends of the first, second, and third extending portions 34a, 34b, and 34c, and the first extending portion 34a A position restricting projection 37 is provided at the tip.
- the movable contact portion 36 is formed of an arc-shaped thin portion 38 whose contact surface 36a can be elastically deformed.
- the arcuate thin portion 38 only needs to be elastically deformable, and may be formed so as to gradually increase toward the base portion as well as having a uniform thickness.
- the thickness dimensions of the curved portions of the first, second, and third extending portions 34a, 34b, and 34c are sequentially increased. For this reason, there is an advantage that stress concentration is less likely to occur during operation and the life is extended. Further, the width dimensions of the first and second slits 35a and 35b according to the present embodiment are such that the first, second, and third extending portions 34a, 34b, and 34c are provided even when the movable contact portion 36 of the connection terminal 30 is operated. The sizes are not in contact with each other. For this reason, the first, second, and third extending portions 34a, 34b, and 34c do not contact each other during a predetermined operation, and unpleasant contact sound does not occur.
- the movable contact surface 36a of the movable contact portion 36 is formed of an elastically deformable arc-shaped thin portion, a cooling through hole is formed behind the movable contact surface 36a, and the exposed area is increased. . For this reason, even if it generates heat based on the contact resistance, there is an advantage that it can be efficiently cooled and the movable contact portion 36 is unlikely to become high temperature.
- connection terminal 30 is inserted into the second storage space 13 of the housing 10 from the back side.
- the press-fitting fixing portion 31 is press-fitted into the press-fitting hole 15, the locking claw 31 a is locked to the inner surface of the press-fitting hole 15, and the notch portion 31 c is engaged with the edge of the housing 10. it can.
- the position restricting protrusion 37 of the connection terminal 30 abuts against the position restricting receiving portion 17 of the housing 10 and the position is restricted, and the connection portion 31 b of the connection terminal 30 is fixed to the fixing lower end 22 of the fixture 20. And become the same.
- the first, second, and third extending portions 34a, 34b, and 34c are inserted. Is elastically deformed, and the support portion 32 is elastically deformed. If the width of the first and second slits 35a and 35b is within the predetermined push-in range, the first, second and third extending portions 34a, 34b and 34c are mutually connected. No friction noise is generated.
- the meandering first, second and third extending portions 34a, 34b, 34c and the support portion 32 are disposed between the movable contact portion 36 and the press-fit fixing portion 31, and the spring length is long. Can be secured, and stress concentration is less likely to occur. For this reason, the contact reliability is improved and a connector having a long life is obtained. Even if the movable contact portion 36 generates heat based on the contact resistance, the cooling through hole 38a is provided, so that there is an advantage that the cooling can be efficiently performed and the temperature is not easily increased.
- connection terminals may be configured with only one connection terminal.
- all of them may be composed of a set of two connection terminals.
- the connection terminals may be incorporated in a set of three, and the number of connection terminals can be selected as needed.
- the extending portion and the slit need not have a uniform width dimension, and the width dimension may be changed as necessary. For example, the durability may be enhanced by increasing only the width dimension of the curved portion of the extending portion located outside of the curved portion of the extending portion to prevent the occurrence of stress concentration.
- connection terminal is incorporated in the housing
- connection board of the present application may be incorporated directly on the side end surface of the printed circuit board itself as the housing. According to this, there is an advantage that the above-described housing and fixing bracket are not required, and as a result, the entire apparatus can be further reduced in size.
- the arcuate thin part has a uniform thickness (FIGS. 6A and 7), and the arcuate thin part increases in thickness toward the base (FIGS. 6B and 8).
- 6A and 6B show the results of calculation of contact pressure conversion in FIGS. Example 1
- the condition for the elastic deformation when the arcuate thin part presses the contacted object is that the arcuate thin part has a uniform thickness or the thickness of the arcuate thin part increases toward the base. Is the case.
- the terminal according to the present invention is not limited to the above-described shape, and is not particularly limited as long as the contact surface of the movable contact portion is formed of an arc-shaped thin portion that can be elastically deformed.
Landscapes
- Connector Housings Or Holding Contact Members (AREA)
- Coupling Device And Connection With Printed Circuit (AREA)
- Connection Of Batteries Or Terminals (AREA)
Abstract
Description
そして、特許文献1の図1に示すように、前述のスプリングコネクタ20では、導電性ピン14がコイルスプリング26で軸心方向に付勢されている。そして、その図5に示す、バッテリー44の当接端子46に圧接することにより、所定の接点圧を確保しつつ、電気的接続する構成となっている。
また、大容量のバッテリーに前記スプリングコネクタを接続した場合、接触抵抗による発熱によって高温になりやすく、通電できる電流容量が低下するという問題点がある。
本発明に係る端子は、その可動接点部に対する付勢力を低下させずに接圧を軽減することにより、バッテリーの接続パッドの破損を防止できるとともに、可動接点部の発熱による通電容量の低下を防止できる端子を提供することを課題とする。
また、可動接点部における露出面積が増大するので、冷却効率が向上し、高温になりにくく、通電できる電気容量が低下しにくい端子が得られる。
さらに、可動接点部の接点面を円弧状薄肉部で形成してあるので、前記可動接点部自体の質量が小さくなり、慣性力が小さくなる。このため、外部から衝撃力、例えば、落下による衝撃力がハウジングに負荷されても、可動接点部の慣性力で瞬間的に生じる電気的接続不良である瞬断を防止できる。
本実施形態によれば、プレス成形や電鋳加工で製造しやすい端子が得られる。
本実施形態によれば、円弧状薄肉部の基部に応力が集中しにくくなり、寿命の長い端子が得られる。
また、可動接点部における露出面積が増大するので、冷却効率が向上し、高温になりにくく、通電できる電気容量が低下しにくいコネクタが得られる。
さらに、可動接点部の接点面を円弧状薄肉部で形成してあるので、前記可動接点部自体の質量が小さくなり、慣性力が小さくなる。このため、外部から衝撃力、例えば、落下による衝撃力がハウジングに負荷されても、可動接点部の慣性力で瞬間的に生じる電気的接続不良である瞬断を防止できる。
本実施形態によれば、応力が集中しにくくなり、寿命の長いコネクタが得られるという効果がある。
本実施形態は、図1ないし図5に示すように、樹脂成形された高さ4mmのハウジング10に所定のピッチで固定金具20を圧入するとともに、前記固定金具20,20の間に接続端子30を圧入したコネクタに適用した場合である。
前記圧入用固定部31には、その一端部の上面に係止爪31aを突設してある一方、その他端部の下面から接続部31bを設けることにより、圧入用切り欠き部31cを形成してある。
また、前記第1分岐部33a,第2分岐部33bから分岐した第1,第2,第3延在部34a,34b,34cが略平行に蛇行するように延在することにより、第1,第2スリット35a,35bを形成してある。このため、分岐部33a,33bに対する応力集中が生じにくくなり、寿命が伸びるとともに、設計の自由度が広がるという利点がある。
さらに、前記第1,第2,第3延在部34a,34b,34cの先端部を一体化して形成した自由端部に可動接点部36を設けてあるとともに、前記第1延在部34aの先端に位置規制用突部37を突設してある。前記可動接点部36は、その接点面36aを弾性変形可能な円弧状薄肉部38で形成してある。なお、前記円弧状薄肉部38は弾性変形可能であればよく、均一な厚さを有する場合だけでなく、基部に向かって順次、厚くなるように形成してもよい。
また、本実施形態に係る第1,第2スリット35a,35bの巾寸法は、接続端子30の可動接点部36を動作させても第1,第2,第3延在部34a,34b,34cが相互に接触しない大きさとなっている。このため、所定の動作時において第1,第2,第3延在部34a,34b,34cが相互に接触することがなく、不快な接触音が生じない。
さらに、前記可動接点部36の可動接点面36aを弾性変形可能な円弧状薄肉部で形成してあるので、可動接点面36aの背後に冷却用貫通孔が形成され、露出面積が増大している。このため、接触抵抗に基づいて発熱しても、効率的に冷却でき、可動接点部36が高温になりにくいという利点がある。
また、接触抵抗に基づいて可動接点部36が発熱しても、冷却用貫通孔38aを設けてあるので、効率的に冷却でき、高温になりにくいという利点がある。
また、延在部およびスリットは一様な巾寸法である必要はなく、必要に応じて巾寸法を変化させてもよい。例えば、延在部の湾曲部分のうち、外側の位置する延在部の湾曲部分の巾寸法だけを大きくし、応力集中の発生を防止することにより、耐久性を高めてもよい。
さらに、前記実施形態では、ハウジングに接続端子を組み込む場合について説明したが、プリント基板自体をハウジングとし、その側端面に本願の接続端子を直接組み込んでもよい。これによれば、前述のハウジングおよび固定金具を必要とせず、結果として装置全体をより一層小型化できるという利点がある。
(実施例1)
(実施例2)
したがって、円弧状薄肉部が被接触物を押圧したときに弾性変形する条件は、円弧状薄肉部が均一な厚さを有する場合、もしくは、円弧状薄肉部の厚さが基部に向かって厚くなる場合である。
13:第2収納スペース
14:接点孔
17:位置規制用受け部
20:固定金具
30:接続端子
31:圧入用固定部
32:支持部
33a,33b:第1分岐部,第2分岐部
34a,34b,34c:第1,第2,第3延在部
35a,35b:第1,第2スリット
36:可動接点部
36a:接点面
37:位置規制用突部
38:円弧状薄肉部
38a:冷却用貫通孔
Claims (5)
- ハウジングの接点孔から出し入れ可能に突出する可動接点部を有する端子であって、
前記可動接点部の接点面を弾性変形可能な円弧状薄肉部で形成したことを特徴とする端子。 - 円弧状薄肉部が均一な厚さを有することを特徴とする請求項1に記載の端子。
- 円弧状薄肉部が基部に向かって順次、厚くなることを特徴とする請求項1に記載の端子。
- 請求項1ないし3のいずれか1項に記載の端子の可動接点部を、ハウジングに設けた接点孔から出し入れ可能に突出させたことを特徴とするコネクタ。
- 被接触物の押圧時に可動接点部の接点面が弾性変形することを特徴とする請求項4に記載のコネクタ。
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201180003500.5A CN102792526B (zh) | 2011-03-14 | 2011-03-24 | 端子及使用该端子的连接器 |
US13/395,708 US8784145B2 (en) | 2011-03-14 | 2011-03-24 | Terminal and connector using the same |
KR1020127003030A KR101397772B1 (ko) | 2011-03-14 | 2011-03-24 | 단자 및 이것을 이용한 커넥터 |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2011-055727 | 2011-03-14 | ||
JP2011055727A JP5083427B2 (ja) | 2011-03-14 | 2011-03-14 | 端子およびこれを用いたコネクタ |
Publications (1)
Publication Number | Publication Date |
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WO2012124170A1 true WO2012124170A1 (ja) | 2012-09-20 |
Family
ID=46830275
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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PCT/JP2011/057180 WO2012124170A1 (ja) | 2011-03-14 | 2011-03-24 | 端子およびこれを用いたコネクタ |
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JP (1) | JP5083427B2 (ja) |
KR (1) | KR101397772B1 (ja) |
CN (1) | CN102792526B (ja) |
TW (1) | TWI453996B (ja) |
WO (1) | WO2012124170A1 (ja) |
Families Citing this family (1)
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CN108110466A (zh) * | 2016-11-24 | 2018-06-01 | 泰科电子(上海)有限公司 | 端子和连接器 |
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JPH0517973U (ja) * | 1991-08-21 | 1993-03-05 | 株式会社エンプラス | Icソケツト |
JPH0594856A (ja) * | 1991-02-19 | 1993-04-16 | Yamaichi Electron Co Ltd | 電気部品用ソケツトにおけるコンタクト |
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JP2009036744A (ja) * | 2007-08-03 | 2009-02-19 | Isao Kimoto | 複数梁合成型接触子 |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
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JP2709975B2 (ja) * | 1989-08-18 | 1998-02-04 | アンプ インコーポレーテッド | 電気コンタクト |
JPH11149954A (ja) * | 1997-11-13 | 1999-06-02 | Yokowo Co Ltd | スプリングコネクタおよび該スプリングコネクタを用いた携帯無線機 |
CN2800519Y (zh) * | 2005-04-28 | 2006-07-26 | 富士康(昆山)电脑接插件有限公司 | 电连接器 |
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2011
- 2011-03-14 JP JP2011055727A patent/JP5083427B2/ja not_active Expired - Fee Related
- 2011-03-24 KR KR1020127003030A patent/KR101397772B1/ko not_active IP Right Cessation
- 2011-03-24 CN CN201180003500.5A patent/CN102792526B/zh not_active Expired - Fee Related
- 2011-03-24 WO PCT/JP2011/057180 patent/WO2012124170A1/ja active Application Filing
-
2012
- 2012-02-23 TW TW101105931A patent/TWI453996B/zh not_active IP Right Cessation
Patent Citations (9)
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JPH03120893U (ja) * | 1990-02-23 | 1991-12-11 | ||
JPH0594856A (ja) * | 1991-02-19 | 1993-04-16 | Yamaichi Electron Co Ltd | 電気部品用ソケツトにおけるコンタクト |
JPH0517973U (ja) * | 1991-08-21 | 1993-03-05 | 株式会社エンプラス | Icソケツト |
JPH09274956A (ja) * | 1996-04-02 | 1997-10-21 | S Ii R:Kk | 小型接触端子 |
JPH08330042A (ja) * | 1996-04-10 | 1996-12-13 | Enplas Corp | Icソケット |
JPH11111369A (ja) * | 1997-10-01 | 1999-04-23 | Japan Aviation Electron Ind Ltd | バッテリー用コネクタ |
JP2000338133A (ja) * | 1999-05-31 | 2000-12-08 | Isao Kimoto | 接触子 |
JP2001237015A (ja) * | 2000-02-23 | 2001-08-31 | Chichibu Fuji Co Ltd | Icソケット用コンタクト |
JP2009036744A (ja) * | 2007-08-03 | 2009-02-19 | Isao Kimoto | 複数梁合成型接触子 |
Also Published As
Publication number | Publication date |
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JP5083427B2 (ja) | 2012-11-28 |
KR20130028892A (ko) | 2013-03-20 |
TWI453996B (zh) | 2014-09-21 |
CN102792526A (zh) | 2012-11-21 |
CN102792526B (zh) | 2015-07-15 |
KR101397772B1 (ko) | 2014-05-20 |
TW201238156A (en) | 2012-09-16 |
JP2012190766A (ja) | 2012-10-04 |
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