KR101008213B1 - Connector - Google Patents

Connector Download PDF

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Publication number
KR101008213B1
KR101008213B1 KR1020090049059A KR20090049059A KR101008213B1 KR 101008213 B1 KR101008213 B1 KR 101008213B1 KR 1020090049059 A KR1020090049059 A KR 1020090049059A KR 20090049059 A KR20090049059 A KR 20090049059A KR 101008213 B1 KR101008213 B1 KR 101008213B1
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KR
South Korea
Prior art keywords
female
connector holder
female terminal
coupled
coupling
Prior art date
Application number
KR1020090049059A
Other languages
Korean (ko)
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KR20100130393A (en
Inventor
조영렬
윤 식 최
Original Assignee
휴먼전자 주식회사
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.)
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Application filed by 휴먼전자 주식회사 filed Critical 휴먼전자 주식회사
Priority to KR1020090049059A priority Critical patent/KR101008213B1/en
Publication of KR20100130393A publication Critical patent/KR20100130393A/en
Application granted granted Critical
Publication of KR101008213B1 publication Critical patent/KR101008213B1/en

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    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R12/00Structural associations of a plurality of mutually-insulated electrical connecting elements, specially adapted for printed circuits, e.g. printed circuit boards [PCBs], 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
    • H01R12/70Coupling devices
    • H01R12/7005Guiding, mounting, polarizing or locking means; Extractors
    • H01R12/7011Locking or fixing a connector to a PCB
    • H01R12/707Soldering or welding
    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R12/00Structural associations of a plurality of mutually-insulated electrical connecting elements, specially adapted for printed circuits, e.g. printed circuit boards [PCBs], 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
    • H01R12/50Fixed connections
    • H01R12/51Fixed connections for rigid printed circuits or like structures
    • H01R12/55Fixed connections for rigid printed circuits or like structures characterised by the terminals
    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R12/00Structural associations of a plurality of mutually-insulated electrical connecting elements, specially adapted for printed circuits, e.g. printed circuit boards [PCBs], 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
    • H01R12/70Coupling devices
    • H01R12/71Coupling devices for rigid printing circuits or like structures
    • H01R12/712Coupling devices for rigid printing circuits or like structures co-operating with the surface of the printed circuit or with a coupling device exclusively provided on the surface of the printed circuit
    • H01R12/716Coupling device provided on the PCB
    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/62Means for facilitating engagement or disengagement of coupling parts or for holding them in engagement
    • H01R13/639Additional means for holding or locking coupling parts together, after engagement, e.g. separate keylock, retainer strap

Abstract

In the connector according to the present invention, a female connector holder coupled to a plurality of female terminals and a male connector holder coupled to a plurality of means are fitted to each other and electrically connected to each other, wherein both ends of the female connector holder are connected to each other. A plurality of female terminal accommodating grooves arranged in a symmetrical manner are formed in a vertical direction from an upper surface of the female connector holder, and the female terminals are coupled to the female terminal accommodating grooves at corresponding positions, respectively. In the middle of the inner wall surface of both sides of the female terminal is characterized in that the lead rise prevention projections for preventing the lead from rising from the bottom surface of the female connector holder to the upper surface when soldering to the substrate is formed.
The connector according to the present invention is installed between the female and the means by the lead rise phenomenon when mounting the female connector holder on the surface of the substrate by installing a lead rise projection on the inner wall of the female terminal receiving groove of the female connector holder to which the female terminal is coupled. There is an advantage that the contact resistance of can be prevented from rising.
Connector, female terminal, instrument, lead rise prevention

Description

Connector {CONNECTOR}

The present invention relates to a connector, and more particularly, to a connector capable of minimizing contact resistance between a female terminal and a means when mounted on a surface of a substrate and stably maintaining an electrical contact state of the arm and the means. will be.

In general, connectors used in the electrical and electronics industry are means for electrically connecting two or more electrical or electronic components to each other. As the electrical and electronics industry develops, the frequency of their use increases more particularly. This is especially true when it is difficult to produce parts in one piece or when it is more efficient to produce them separately.

Such a connector is composed of a female connector holder having a plurality of female terminals and a male connector holder having a plurality of means, and by means of their physical coupling, the arm and the means maintain a stable electrical contact state at all times. Can flow.

The specific configuration of the connector having the configuration and function as described above is disclosed in detail [Document 1] and the like filed by the inventor of the present invention.

That is, the connector is a female connector holder 10 and a plurality of female terminals 11 are inserted in a row symmetrically to each other in the female terminal receiving groove 15, as shown in Figs. Terminal 21 is composed of a male connector holder 20 is inserted in a row symmetrically to each other, the female connector holder 10 and the male connector holder 20 has a structure that is physically coupled to each other, the female terminal 11 and the means 21 make electrical contacts.

In addition, the means 21 has an insertion part 22 inserted into the female terminal 11, and the female terminal 11 has a receiving portion 12 into which the insertion portion 22 is fitted. Formed.

Therefore, through the physical coupling of the insertion portion 22 and the receiving portion 12 it is possible to maintain a stable electrical contact state of the arm, means 11, 21.

In addition, a lead rise groove 13 is formed in a weld portion of the female terminal 11 attached to the substrate 30 by soldering, and the lead rise groove 13 has a weld end portion of the female terminal. It is formed to be inclined.

Therefore, the welding force of the female terminal 11 can be greatly improved through the lead rise guide groove 13, thereby securing a stable fixing force.

However, the prior art as described above, the width of the female terminal receiving groove 15 of the female terminal 11 in order to facilitate the coupling of the female connector holder 10 and the female terminal 11 as shown in FIG. Since the thickness is larger than the thickness, the lead 40 rises into the gap between the female terminal accommodating groove 15 and the female terminal 11 during soldering to increase the contact resistance when forming contacts between the female and the female means 11 and 21. There is a problem to be raised.

In addition, in the case of the connector according to the prior art, since the inner wall of the insertion portion 22 coupled to the male connector holder 20 has a shape close to the vertical plane, as shown in FIG. 3, the female connector holder 10 and the male connector holder ( Since the means 21 is easily detached from the male connector holder 20 when attaching and detaching the 20, there is a problem that the electrical contact state of the female means 11 and 21 is unstable.

[Document 1] Korean Patent Publication No. 2009-0027945 (published March 18, 2009)

The present invention is to solve the problems of the prior art as described above, an object of the present invention is to lead the lead in the air gap between the female terminal receiving groove and the female terminal when mounting the female connector holder on the surface of the substrate by soldering It is to provide a connector that can prevent the contact resistance between the arm and the means to be minimized.

In addition, another object of the present invention is to provide a connector having a means having a shape capable of stably maintaining an electrical contact state with a female terminal by improving the coupling force with the male connector holder.

Still another object of the present invention is to provide a connector having a coupling structure that allows easy coupling between the male connector holder and the female connector holder and improves the coupling force.

In order to achieve the above object, the connector according to the present invention includes a female connector holder having a plurality of female terminals coupled thereto, and a male connector holder having a plurality of means coupled to each other by being fitted and electrically connected to each other. At both ends of the female connector holder, a plurality of female terminal accommodating grooves arranged in a row to be symmetrical with each other are formed in a vertical direction from an upper surface of the female connector holder, and the female terminals are coupled to the female terminal accommodating grooves at corresponding positions, respectively. However, in the middle of the inner wall surface of the both sides of the female terminal receiving groove, when soldering the female terminal to the substrate, a lead rise prevention protrusion for preventing lead from rising from the bottom of the female connector holder in the upper direction is formed to protrude to the outside It is characterized by.

In addition, the cross-sectional shape of the lead rise prevention protrusion is a triangular shape in which the width projecting from the protrusion end toward the upper surface of the female connector holder is gradually narrowed, and the width between both ends of the lead rise prevention protrusion is coupled to the female terminal. It is characterized by a narrower than the width of.

In addition, the female terminal is formed on one end of the female terminal fixing portion coupled to the female connector holder, the female terminal fixing portion of the receiving portion of the U-shaped groove shape having a flat bottom surface and the other end of the female terminal fixing portion And a welding part attached to the substrate by soldering, and the means is formed in one end of the means fixing part coupled to the male connector holder so as to correspond to the female terminal, and the means fixing part. It is inserted into the bottom surface is provided with a U-shaped projection-shaped insertion portion, the inner upper end of the receiving portion is a projection formed in contact with the outer surface of the one side wall of the insertion portion when the fitting coupling, the insertion portion one side wall The outer surface of the middle is characterized in that the vertical surface formed with a contact groove for receiving the contact projection.

In addition, a fixing protrusion protruding outward in a shape corresponding to the contact groove is formed on an inner surface of the one side wall of the insertion part coupled to the male connector holder, and the fixing protrusion is the male connector holder during injection molding of the male connector holder. It is characterized in that the means is not peeled from the male connector holder by being fixed by the resin constituting the.

In addition, at least one fixing groove is formed on inner surfaces of both side walls of the inserting portion coupled to the male connector holder, and the fixing groove constitutes the male connector holder to be filled in the fixing groove during injection molding of the male connector holder. By sticking with resin, it is characterized in that the said means is not peeled from a male connector holder.

In addition, the bar-shaped coupling protrusions formed to protrude vertically at both ends of the upper surface of the male connector holder, and the coupling protrusions are formed on the upper surface of the female connector holder to correspond to the coupling protrusions and the coupling protrusions are inserted when the fitting coupling is performed. Further comprising a coupling groove, characterized in that the chamfer (chamfer) for guiding the coupling projections to the coupling groove is formed on the edge of at least one of the coupling protrusion or coupling groove.

As described above, the connector according to the present invention is provided with a lead rising protrusion on the inner wall of the female terminal receiving groove of the female connector holder to which the female terminal is coupled. There is an advantage that the contact resistance between the arm and the means can be prevented from rising.

In addition, the connector according to the present invention forms a fixing protrusion or fixing groove for preventing peeling on the inner wall of the insert portion of the means coupled to the male connector holder is a phenomenon that the means is peeled from the male connector holder when the male and male connector holder is attached or detached. By preventing the, there is an advantage that can maintain a stable state of contact between the arm, means.

In addition, the connector according to the present invention is easily coupled to the male, male connector holder by a pair of coupling protrusions formed in the male connector holder and a pair of coupling grooves formed in the female connector holder to correspond thereto. There is an advantage that the state of engagement can be maintained firmly.

Hereinafter, with reference to the accompanying drawings, preferred embodiments of the connector according to the present invention will be described in detail.

Figure 4 is a perspective view showing the configuration of a connector according to an embodiment of the present invention. The connector according to the present invention includes a female connector holder 110 coupled with a plurality of female terminals 111 and a male connector holder 120 coupled with a plurality of means 121.

On the upper surface of the female connector holder 110, a plurality of female terminal accommodating grooves 115 configured to be symmetrical with each other at both ends are formed in a lower vertical direction from an upper surface of the female connector holder 110, and the female terminal The female terminal 111 is coupled to each of the receiving grooves 115.

In addition, the male connector holder 120 is physically coupled to the female connector holder 110 to form an electrical contact between the female, means 111,121, a plurality of means 121 on both ends of the upper surface. Are respectively coupled in a row so as to be symmetrical with each other at positions corresponding to the female terminals 111.

On the other hand, at both ends of the upper surface of the male connector holder 120 to which the means 121 are not coupled, bar coupling protrusions 124 are formed to protrude vertically, respectively, and the female connector holder ( On both sides of the upper surface of the female and male connector holders 110 and 120 are physically coupled, a pair of coupling grooves 114 into which the coupling protrusions 124 are inserted are formed, respectively.

Accordingly, the female and male connector holders 110 and 120 are physically coupled to each other by fitting coupling of the coupling protrusion 124 and the coupling groove 114 corresponding to each other, and thus, between the female and the male means 111 and 121. Electrical contacts are formed.

In this case, in order to guide the coupling protrusion 124 to be easily inserted into the coupling groove 114 when the fitting is coupled to the rim of each of the coupling protrusion 124 and the coupling groove 114, inclined surface or curved chamfer (chamfer, It is preferable that the 116 is formed, and in some cases, the chamfer 116 may be formed only with respect to any one of the coupling protrusion 124 or the coupling groove 114.

Since the connector according to the present invention is a method in which the female and male connector holders 110 and 120 are physically coupled by the coupling of the pair of coupling protrusions 124 and the coupling groove 114 as described above, the determination of the coupling position is performed. There is an advantage that the female, male connector holder 110, 120 can be easily combined even on a narrow circuit board with a work space.

In addition, since the coupling of the female and male connector holders 110 and 120 may be dually supported and fixed by the above configuration, the coupling state may be firmly maintained.

5 and 6 are cross-sectional views showing the shape of the female terminal 111 and the means 121 of the connector according to the present invention, respectively.

The female terminal 111 has a female terminal fixing portion 113 is formed in the center coupled to the female connector holder 110, the end of the female terminal fixing portion 113, the bottom surface is a 'U' groove A shape receiving portion 112 is formed, and the other end of the female terminal fixing portion 113 is formed with a “b” shaped welding portion 113a attached to the circuit board by soldering.

In addition, the means 121 has a means fixing portion 123 is coupled to the male connector holder 120 is formed in the center, one end of the means fixing portion 123 to the receiving portion 112 The insertion part 122 of the "U" protrusion shape which is inserted and fixed and the bottom is planar is formed.

At this time, one side wall outer surface 122a of the insertion portion 122 is a vertical plane substantially perpendicular to the bottom surface 122b, and a contact groove 122c is formed in the middle thereof, and an inner upper end of the receiving portion 112 is formed. When the female and male connector holders 110 and 120 are fitted to each other, the contact protrusion 112a, which is received in the contact groove 122c and is in close contact with the outer surface 122a of one side wall of the insertion part 122, is formed to protrude outward. have.

As described above, when the female and male connector holders 110 and 120 are physically coupled as described above, the receiving portion 112 and the inserting portion 122 of the female and male means 111 and 121 form electrical contacts. do.

That is, when the insertion part 122 of the means 121 is coupled to the receiving part 112 of the female terminal 111, one side wall of the receiving part 112 in which the contact protrusion 112a is formed is tensioned. The contact portion is completely locked by being opened and restored to its original state. At this time, the contact protrusion 112a is accommodated in the contact groove 122c as described above, thereby increasing the coupling force of the arm and the means 111 and 121 to be stable. The contact state can be maintained.

Meanwhile, a fixing protrusion protruding to the outside in a shape corresponding to the contact groove 122c on the inner surface 122d of one side wall of the insertion portion 122 coupled to the male connector holder 120, as shown in FIG. 6A. 122e is formed, and the fixing protrusion 122e is fixed by resin constituting the male connector holder 120 during injection molding of the male connector holder 120, so that the means 121 is male connector. It prevents the peeling from the holder 120 in the vertical direction so that the arm, means (111, 121) can maintain a stable contact state.

In some cases, as shown in FIG. 6B, at least one fixing groove 122f is formed on inner surfaces of both side walls of the insertion part 122 coupled to the male connector holder 120, and the fixing groove When the 122f is fixed by the resin filled in the fixing groove 122f during the injection molding of the male connector 120, the means 121 is peeled from the male connector holder 122 in the vertical direction. It can also be configured to prevent.

Figure 7 is a side view showing the configuration of the female connector holder 110 of the connector according to the present invention. In the middle of both inner wall surfaces 115a of the female terminal accommodating groove 115, when the female terminal 111 is soldered to the circuit board 130, the upper surface 110b is formed from the bottom surface 110a of the female connector holder 110. Lead preventing protrusions 115b for preventing the lead 140 from rising in the direction are formed to protrude to the outside.

In this case, the bottom surface 115c of the lead rise prevention protrusion 115b is a plane facing the bottom surface 110a of the female connector holder 110, and the cross-sectional shape of the lead rise prevention protrusion 115b is the bottom surface 115c. The width protruding toward the upper surface 110b of the female connector holder 110 from the end of the) is configured in a triangular shape gradually narrowing.

By such a configuration, the connector according to the present invention, when soldering the female terminal 111, the lead 140 is raised upward through the gap between the female terminal receiving groove 115 and the female terminal 111 is the lead It is blocked by the bottom surface 115c of the rise preventing protrusion 115b, thereby preventing lead from rising to the contact portion between the female terminal 111 and the means 121, and thus the contact resistance of the arms and means 112 and 121 is prevented. It is possible to solve the problems of the prior art to raise the.

In addition, since the width between the end portions of both bottom surfaces 115c of the lead rising prevention protrusion 115b is configured to be narrower than the width of the female terminal 111 to be coupled, the lead rising prevention is prevented when the female terminal 111 is inserted. Both ends of the protrusion 115b are pushed downward in a state of being in close contact with both sides of the female terminal 111 by elasticity peculiar to the resin to face the bottom surface 110a of the female connector holder 110.

By such a configuration, the connector according to the present invention guides the lead 140 rising between the voids in the direction of the bottom surface 110a rather than in the direction of the top surface 110b of the female connector holder 110, and thus the female terminal described above. By preventing the lead rising phenomenon of the contact point 111 and the means 121, it is possible to more reliably improve the conduction performance between the arm, means (111, 121).

In the present exemplary embodiment, the shape of the bottom surface 115c of the lead rise preventing protrusion 115b is a flat surface, but may be configured as a curved surface or an inclined surface as necessary. Also in this case, it is preferable that the end of the projection is configured to face downward for the reasons described above.

Although the preferred embodiment of the present invention has been described above, the scope of the present invention is not limited to such specific embodiments, and those skilled in the art to which the present invention pertains should be within the scope of the claims of the present invention. It will be possible to make changes or modifications as appropriate.

1A and 1B are a perspective view and a cross-sectional view showing the configuration of a connector according to the prior art, respectively,

Figure 2 is a side view showing the configuration of the female connector holder provided in the connector according to the prior art;

3 is a cross-sectional view showing the shape of the means provided in the connector according to the prior art;

4 is a perspective view showing the configuration of a connector according to an embodiment of the present invention;

Figure 5 is a cross-sectional view showing the configuration of the female connector holder provided in the connector according to an embodiment of the present invention,

6a and 6b are cross-sectional views showing the configuration of the male connector holder provided in the connector according to an embodiment of the present invention, and

Figure 7 is a side view showing the configuration of the female connector holder of the connector according to the present invention.

Claims (6)

  1. In the connector to which the female connector holder coupled with a plurality of female terminals, and the male connector holder coupled with a plurality of means is fitted and electrically connected to each other,
    At both ends of the female connector holder, a plurality of female terminal accommodating grooves formed in rows so as to be symmetrical with each other is formed in a lower vertical direction from an upper surface of the female connector holder.
    The female terminals are respectively coupled to the female terminal receiving groove of the corresponding position,
    In the middle of the inner wall surface on both sides of the female terminal receiving groove, when soldering the female terminal to the substrate, a lead rise prevention protrusion for preventing lead from rising from the bottom of the female connector holder in the upper direction is formed to protrude to the outside Connector.
  2. The method of claim 1,
    The cross-sectional shape of the lead rise prevention protrusion is a triangular shape that gradually narrows the width protruding from the protrusion end toward the upper surface of the female connector holder,
    And a width between both ends of the lead preventing protrusion is narrower than a width of the female terminal to which the lead rising protrusion is coupled.
  3. The method according to claim 1 or 2,
    The female terminal is formed in the female terminal fixing portion coupled to the female connector holder, one end of the female terminal fixing portion and the bottom portion is formed in the receiving portion of the U-shaped groove shape and the other end of the female terminal fixing portion is soldered And a welding portion attached to the substrate by
    The means has a means fixing portion coupled to the male connector holder so as to correspond to the female terminal, and formed in one end of the means fixing portion inserted into the receiving portion when the fitting is combined, the bottom surface is a 'U' projection shape is flat Provided with an insertion unit,
    The inner upper end of the receiving portion when the fitting coupling is projected to form a contact projection that is in close contact with the outer surface of the side wall of the insertion portion, the outer surface of the one side wall of the insertion portion is characterized in that the vertical surface formed with a contact groove for receiving the contact projection in the middle Connector.
  4. The method of claim 3,
    The inner surface of the one side wall of the insertion portion coupled to the male connector holder is formed with a fixing protrusion protruding to the outside in a shape corresponding to the contact groove,
    And the fixing projection is fixed by a resin constituting the male connector holder during injection molding of the male connector holder, so that the means does not detach from the male connector holder.
  5. The method of claim 3,
    At least one fixing groove is formed on inner surfaces of both side walls of the inserting portion coupled to the male connector holder.
    And the fixing groove is fixed by resin constituting the male connector holder filled in the fixing groove during injection molding of the male connector holder, thereby preventing the means from being separated from the male connector holder.
  6. The method according to claim 1 or 2,
    Coupling bars having a bar shape protruding vertically at both ends of the upper surface of the male connector holder;
    It is formed on the upper surface of the female connector holder to correspond to the coupling protrusion, and further comprising a coupling groove into which the coupling projection is inserted when the fitting coupling,
    And a chamfer (chamfer) for guiding the coupling protrusion to the coupling groove at an edge of at least one of the coupling protrusion or the coupling groove.
KR1020090049059A 2009-06-03 2009-06-03 Connector KR101008213B1 (en)

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KR1020090049059A KR101008213B1 (en) 2009-06-03 2009-06-03 Connector

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1020090049059A KR101008213B1 (en) 2009-06-03 2009-06-03 Connector

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Publication Number Publication Date
KR20100130393A KR20100130393A (en) 2010-12-13
KR101008213B1 true KR101008213B1 (en) 2011-01-25

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101688046B1 (en) * 2015-04-22 2016-12-20 조인셋 주식회사 Surface-Mount Typed Electric Connecting Terminal

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20090027945A (en) * 2007-09-13 2009-03-18 윤 식 최 Connector

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20090027945A (en) * 2007-09-13 2009-03-18 윤 식 최 Connector

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