KR20140138066A - Slip ring - Google Patents

Slip ring Download PDF

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Publication number
KR20140138066A
KR20140138066A KR1020140061861A KR20140061861A KR20140138066A KR 20140138066 A KR20140138066 A KR 20140138066A KR 1020140061861 A KR1020140061861 A KR 1020140061861A KR 20140061861 A KR20140061861 A KR 20140061861A KR 20140138066 A KR20140138066 A KR 20140138066A
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KR
South Korea
Prior art keywords
terminal
housing
terminal pin
conductive plate
ring
Prior art date
Application number
KR1020140061861A
Other languages
Korean (ko)
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KR101554622B1 (en
Inventor
김인기
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김인기
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Publication of KR20140138066A publication Critical patent/KR20140138066A/en
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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
    • H01R39/00—Rotary current collectors, distributors or interrupters
    • H01R39/02—Details for dynamo electric machines
    • H01R39/08—Slip-rings
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R39/00—Rotary current collectors, distributors or interrupters
    • H01R39/02—Details for dynamo electric machines
    • H01R39/08—Slip-rings
    • H01R39/12—Slip-rings using bearing or shaft surface as contact surface
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K13/00—Structural associations of current collectors with motors or generators, e.g. brush mounting plates or connections to windings; Disposition of current collectors in motors or generators; Arrangements for improving commutation
    • H02K13/003—Structural associations of slip-rings
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K5/00—Casings; Enclosures; Supports
    • H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
    • H02K5/14—Means for supporting or protecting brushes or brush holders
    • H02K5/141—Means for supporting or protecting brushes or brush holders for cooperation with slip-rings

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Connections Effected By Soldering, Adhesion, Or Permanent Deformation (AREA)
  • Multi-Conductor Connections (AREA)

Abstract

The present invention relates to a slip-ring. The slip-ring according to an embodiment of the present invention includes: a housing (100); a rotating pipe (200) which is rotatably arranged on an accommodation space of the housing; a terminal ring (300) connected to the rotating pipe; a terminal pin (400) which is installed on the peripheral area of the housing to be connected to the terminal ring; a conductive plate (500) which elastically deforms an elastic connection unit through a connection terminal (510) to be connected; and a second wire (2) connected to the terminal pin.

Description

Slip ring {SLIP RING}

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a slip ring used for preventing electric wires connected to a rotating electric device from being twisted in a rotating process of an electric device, To a slip ring capable of stably establishing electrical connection between a terminal pin and a wire.

In general, electric wires connected to an electric device, such as a CCTV, which is rotated by itself are connected through a separate slip ring, so that the electric wire is not twisted during the rotation of the electric device.

In recent years, there has been a great variety of proposals for electric devices that perform such a rotary operation. Therefore, the use of such slip rings is also rapidly increasing.

Such a slip ring basically has a structure in which the rotary pipe 1 is rotatable about a penetrating point in a state where the rotary pipe 1 passes through both ends of the housing as shown in Figs. 1A and 1B, and the peripheral surface of the rotary pipe 1 in the housing A plurality of terminal rings 2 are arranged in an overlapping manner and the terminal pins 3 provided on the housing side portions are in contact with the respective terminal rings 2. [

At this time, the terminal pins 3 are arranged in a " C "shape, that is, linear bar type contact pins 3a are arranged symmetrically on both sides and one end of each contact pin 3a is connected to each other via a connection pin 3b to be.

The terminal pins 3 are configured such that both the contact pins 3a are in contact with the inner terminal ring 2 through the inner circumferential surface from the outer circumferential surface of the housing and the connecting pin 3b is exposed on the outer circumferential surface on one side of the housing Lt; / RTI >

The terminal pins 3 are arranged vertically in this manner in such a manner that they are individually in contact with the respective terminal rings 2 therein.

In this state, the ends of the wires 4 for the input signal are connected to the connection pins 3b exposed to the outside of the housing by soldering, and the upper portions of the wires are covered with epoxy or the like to prevent external exposure .

However, since the connecting pin 3b of the terminal pin 3 is very thin, it is difficult to perform the soldering work with the electric wire. In addition, There is a possibility that a shorting phenomenon may occur due to contact with other terminal pins and electric wires.

In addition, since the thickness of the terminal pin 3 is very small, there is a high possibility that the soldering portion will easily fall off.

Korean Patent No. 10-0396041

SUMMARY OF THE INVENTION The present invention has been made to solve the above-mentioned problems, and it is an object of the present invention to improve the connection structure between the terminal pins and the electric wires for input signals so that mutual connection can be easily and quickly performed, And to provide a slip ring capable of signal transmission.

According to the present invention, there is provided a slip ring comprising: a housing having a housing space formed therein, the housing having first and second through-holes extending from an outer surface to an inner surface with a predetermined space therebetween; A rotary tube rotatably positioned in the housing space of the housing; A terminal ring connected to the rotary tube and rotatable together with the rotary tube and connected to the first electric wire; First and second terminal ring connecting portions inserted through the first and second through holes of the housing and connected to the terminal ring, a conductive plate connecting portion connecting the first and second terminal ring connecting portions, A terminal pin formed on the circumference of the housing and connected to the terminal ring, the terminal pin comprising a carbon-shaped connecting portion elastically deformed by an external force; A connection terminal corresponding to the carbon molded connection portion of the terminal pin and a conductive plate connected to the connection terminal and connected to the periphery of the housing while elastically deforming the carbon molded connection portion through the connection terminal, ; And a second wire connected to the pattern of the conductive plate and connected to the terminal pin through the pattern.

According to the slip ring of the present invention, since the terminal pins are indirectly connected to each other through the pattern of the conductive plate without being directly soldered to the second electric wires, the slip rings can be easily and stably connected to each other In particular, in the case of the embodiment having the carbon-made connection portion, the terminal pin and the conductive plate are connected to each other only through the operation, that is, without soldering the terminal pin and the conductive plate, thereby simplifying the operation due to soldering and preventing environmental pollution There is also.

Since the second wire is connected to the other side of the pattern in contact with the corresponding terminal pin, the second wire and the terminal pin are separated from each other and thus the second wire is prevented from being inadvertently contacted with the other terminal pin .

Further, in the case of the protruding connection portion, since the protruding connection portion of the terminal pin contacts the pattern in a state of being fitted in the connection hole of the conductive plate, the contact between the terminal pin and the pattern is stably performed, The terminal ring connection portions on both sides are connected to the terminal ring, that is, the terminal pin is supported at two points, thereby preventing the terminal pin from being separated.

In addition, when the terminal pin is installed and the corresponding portion is soldered, the connection area between the terminal pin and the pattern is widened, so that the soldering operation can be easily performed.

In addition, since the connecting portions (the carbon forming connecting portion and the protruding connecting portion) of the terminal pins arranged in the upper and lower overlap are arranged in a vertically staggered form, they are in contact with the respective patterns, so that the terminal pins are prevented from being inadvertently contacted with other patterns .

FIGS. 1A and 1B are a plan view showing a coupling structure between a conventional terminal ring and a terminal pin, and a side schematic view showing a connection structure between a second electric wire and a terminal pin. FIG.
2 is an exploded perspective view of a slip ring according to the present invention.
3 is an exploded perspective view showing terminal pin seating grooves and first and second through holes of a housing applied to the slip ring according to the present invention.
4A and 4B are cross-sectional views of terminal pin seating grooves applied to the slip ring according to the present invention and terminal pins in the first and second through holes, respectively.
FIG. 5 is an operational view of a carbon molded connection portion of a terminal pin applied to a slip ring according to the present invention. FIG.
6 is a perspective view of a slip ring according to the present invention.
7 is a perspective view showing an example in which a protruding connection portion is applied to a slip ring according to the present invention.

≪ Example 1 >

2 to 8, the slip ring according to the present invention includes a housing 100, a rotary pipe (or rotary shaft) 200, a terminal ring 300, a terminal pin 400, and a conductive plate 500 ).

The housing 100 serves as an installation space for the second electric wire 2, the rotary pipe 200, the terminal pin 400, the terminal ring 300 and the conductive plate 500 and serves as a casing. And a hollow tube structure in which an upper portion is opened and a lower portion is closed.

At this time, a bearing 120 for guiding the rotation of the rotary pipe 200 to be described later and the rotary pipe 200 to be described later is installed on the upper and lower sides of the inner bottom surface and the center of the inner bottom.

Since the housing 100 is manufactured in such a state that it can be separated in a symmetrical shape with respect to the center point, it is easy to install the bearing 120, the rotary tube 200 and the terminal ring 300, which will be described later, .

A pair of right and left first and second through holes 101 and 102 for mounting the terminal pin 400 to be described later are formed on opposite inner surfaces of the housing, And are formed in an arrayed configuration.

The first through hole 101 and the second through hole 102 are formed in a linear direction from the inner surface to the outer circumferential surface of the housing.

The housing 100 preferably has a groove-shaped conductive plate insertion groove for inserting the conductive plate 500 therein.

As shown in FIGS. 2 to 4B, in this embodiment, the terminal pin 400 is firmly fixed so that the terminal pin 400 is maintained in the connected state, and the first and second through holes 101 and 102 are formed with terminal pin receiving grooves 103 therebetween. The terminal pin receiving groove 103 is a groove formed to communicate with the first and second through holes 101 and 102 on the surface of the housing 100.

In other words, conventionally, since the terminal pin 400 is mounted on the surface of the housing 100 in a protruding form and both sides are fitted to the first and second through holes, both sides of the terminal pin must be inserted into the first and second through holes In this embodiment, since all portions of the terminal pin 400 are inserted into the terminal pin receiving groove 103, the movement of the terminal pin 400 is prevented, disconnection is prevented, and the terminal pin 400 is easily installed.

In order to stably install the terminal pin 400, the first and second through holes 101 and 102 and the terminal pin receiving groove 103 are formed to have a cross section, for example, a "V"

The terminal pin receiving grooves 103 and the first and second through holes 101 and 102 are open to the front and the first and second through holes 101 and 102 are holes having both sides penetrated. And the terminal pins 400 are supported at different heights, i.e., at two points.

In this state, the rotary tube 200 is installed in the housing 100.

The rotary tube 200 serves to prevent the first wire 1 from being twisted through the rotation of the terminal ring 300 and the first wires 1 and the rotation of the first and second wires 1 and 2, And has the shape of a hollow tube having an upper end opened and a length longer than the vertical length of the housing 100.

The rotary pipe 200 is inserted into the accommodation space 110 through the upper end opening of the housing 100 and the upper end portion of the rotary pipe 200 protrudes outward from the upper end of the housing 100 As shown in FIG.

Since the rotary pipe 200 is installed in the housing 100 with the upper and lower bearings 120 passing through the rotary pipe 200, the rotary pipe 200 can be rotated individually with respect to the housing 100 around the penetration point of the bearing 120 Structure.

A fitting groove (not shown) for mounting the terminal rings 300, which will be described later, is formed along the peripheral surface of the circumference of the rotary pipe 200 between the upper and lower bearings 120, Are arranged at upper and lower intervals.

The rotary tube 200 is provided with a terminal ring 300.

The terminal ring 300 serves to transmit an external electric signal supplied through the second electric wire 2 and the terminal pin 400 to be described later to the first electric wire 2, The contact rail 310 is formed along the circumference at the peripheral edge thereof so that the contact with the terminal pin 400 is maintained even during the rotation process of the terminal pin 1.

The outer diameter of the terminal ring 300 is the same as the diameter of the rotary tube 200. The inner diameter of the terminal ring 300 is the same as the diameter of each fitting groove of the rotary tube 200.

The terminal ring 300 is installed in a manner that the rotary tube 200 is penetrated in a state in which the same number as the fitting groove of the rotary tube 200 is provided, Respectively.

Accordingly, each terminal ring 300 has a structure that is rotated together when the rotary tube 200 rotates.

In this state, the first electric wire 1 is connected to the rotary pipe 200. In the state that one end of the first electric wire 1 is connected to the electric device such as CCTV and the other end is connected to the rotary pipe 200 through the upper end of the rotary pipe 200, (200) and then connected to the inner peripheral surface of each terminal ring (300) by soldering or the like.

In the state where the terminal ring 300 is installed up to this point, the terminal pin 400 is installed in the housing 100.

The terminal pin 400 serves to transmit an electric signal supplied through the second electric wires 2 to the terminal ring 300 in a state of being connected to the second electric wire 2, The first and second terminal ring contacts 300 and 310 are connected to the terminal ring 300. The terminal ring 300 is electrically connected to the terminal ring 300. The terminal ring 300 is electrically connected to the terminal ring 300, For example, in a " c " shape.

The terminal pin 400 may be formed in the shape of one long bar instead of being formed separately from the conductive plate connecting portion 410 and the first and second terminal ring connecting portions 420 and 430, The first and second terminal ring connecting portions 420 and 430 are vertically formed at both ends of the conductive plate connecting portion 410 in accordance with the bending of the corresponding points on both ends.

At this time, the first and second terminal ring connection portions 420 and 430 are formed to have the same interval as the first and second through holes 101 and 102 formed in the housing 100.

The conductive plate connecting portion 410 of the terminal pin 400 is connected to the conductive plate 500 without any soldering work so as to facilitate connection with the conductive plate 500. In addition, Shaped connection portion 411 is not provided.

5, the carbon-plated connecting portion 411 is electrically connected to the conductive plate 500 while being elastically deformed by the force applied from the conductive plate 500 of the conductive plate 500 And is not limited to the shape shown in the drawings, but may be any shape that is elastically deformed when the conductive plate 500 is engaged and can be freely changed in position. For example, when a plurality of terminal pins 400 are applied, it is preferable that each of the carbon-form connection portions 411 and the connection terminals 510 (or patterns) is formed in a zigzag shape.

The conductive plate 500 serves as an electrical connection medium between the terminal pin 400 and the second electric wire 2 to be described later. The conductive plate 500 is in the form of a plate as a whole and covers a portion where the terminal pin 400 is installed.

The conductive plate 500 is provided with a connection terminal 510 connected to the carbon molded connection portion 411 of the terminal pin 400 and a pattern 520 for signal transmission between the connection terminal 510 and the second electric wire 2 Loses.

The connection terminal 510 is connected to the terminal pin 400 while being mounted on the surface of the conductive plate 500 or the like.

5, the connection terminal 510 is formed or mounted in the form of a pattern on one surface of the conductive plate 500, for example, the carbon-form connection portion 410 is connected to one side, and the pattern 520 is connected to the other side Respectively. At this time, a groove is formed in the conductive plate 500 to insert the carbon-made connection portion 410, or the connection terminal 410 has a groove (not shown) so that the connection between the carbon- Structure.

5 is a schematic view for the sake of understanding and shows a state in which a plurality of terminal pins 400 and a plurality of connection terminals 510 and a plurality of patterns 520 and a plurality of electric wires 2 are not combined with each other The connection terminal 510 and the pattern 520 are formed freely.

The pattern 520 is mounted on the surface of the conductive plate 500, one side is connected to the connection terminal 510, and the other side is connected to the second electric wire 2.

One end of the second wires 2 is connected to the power source and the other end of the second wires 2 is connected to each pattern 520 of the conductive plate 500 through soldering.

In this state, the conductive plate 500 is covered with epoxy or the like so that the connection point between the conductive plate 500 and the terminal pin 400 and the second electric wire 2 is protected without being exposed to the outside.

As the second wires 2 are connected to the pattern 520, the terminal pins 400 and the second wires 2 are indirectly electrically connected through the pattern 520 of the conductive plate 500 Structure.

Hereinafter, the operation of the present invention based on such a configuration and the unique effects generated in the process will be described.

The method of joining the terminal pin 400 to the housing 100 is as follows.

When the first and second terminal ring connection portions 420 and 430 of the terminal pin 400 are fitted into the first and second through holes 101 and 102 and then inserted to insert the conductive plate connecting portion 410 into the terminal pin receiving groove 103, The conductive plate connection portion 410 supports the first and second terminal ring connection portions 420 and 430 while maintaining the directionality along the terminal pin receiving groove 103 so that the terminal pin 400 maintains the installed state without leaving, The first and second terminal ring connection portions 420 and 430 of the terminal pin 400 are supported at two points by the sectional structure and depth of the seating groove 103 and the first and second through holes 101 and 102, And is normally disconnected.

After the terminal pin 400 is installed as described above, the conductive plate 500 is assembled to a portion where the terminal pin 400 is installed.

Before the conductive plate 500 is assembled, the carbon molded connection portion 411 of the terminal pin 400 maintains the initial state since no external force is applied. When the conductive plate 500 is installed in the housing 100, the connection terminal 510 is connected to the connection terminal 510 while being elastically deformed by the force applied from the conductive plate 500. It is also possible to fix the second electric wire 2 to the conductive plate 500. (It is also possible to fix the conductive wire 500 to the housing 100 after fixing the second electric wire 2 to the conductive plate 500 first) . Next, the conductive plate 500 is fixed and protected with an epoxy or the like.

That is, the terminal pin 400 is installed without detachment and connection failure by the first and second through holes 101 and 102 and the terminal pin receiving groove 103, and only by covering the conductive plate 500, And the second electric wire 2 is connected.

Therefore, compared with the prior art in which soldering is difficult due to the thin thickness of the terminal pin 400 in the process of directly connecting the second electric wire 2 to the terminal pin 400, Since the electrical connection between the second wire 2 and the terminal pin 400 is very easy due to the connection between the first wire 400 and the conductive plate 500, the productivity is improved.

The second wire 2 is connected to the pattern 520 having a relatively larger contact area than the terminal pin 400 and the terminal pin 400 is connected to the second wire 2 without soldering through the carbon- So that the short circuit phenomenon can be minimized.

In other words, since the terminal pin 400 and the second electric wire 2 are indirectly connected to each other through the conductive plate 500, the electric connection between the second electric wire 2 and the terminal pin 400 can be easily and stably So that the productivity of the product and the productive effect are simultaneously obtained.

≪ Example 2 >

The terminal pin 400 is connected to the conductive plate 500 through the carbon connection part 411 and the terminal pin 400 is connected to the conductive plate 500 through the protruding connection part 412 And the conductive plate 500 may be formed with the connection hole 530 such that the protruding connection portion 412 of the terminal pin 400 protrudes and is fixed to the pattern 520 through soldering.

The protruding connection portion 412 may be formed, for example, by bending the conductive plate connection portion 410 or connected to the conductive plate connection portion 410 as a separate product, and may be formed in a "C" shape.

The terminal pins 400 are formed such that the first and second terminal ring connection portions 420 and 430 are respectively passed through the first and second through holes 101 and 102 to be connected to the terminal ring 300 and the terminal plate connection portion 410 is connected to the first and second through- (103) between the terminal pins (101, 102).

The protruding connection portion 412 of each terminal pin 400 is simply inserted into the corresponding connection hole 530 of the conductive plate 500 and connected to the pattern 520 through soldering.

The second wires 2 are connected to the conductive plate 500 by connecting the second wires 2 to the other end of the pattern 520 by soldering or the like so that the protruding connection portion 412 of the terminal pin 400 contacts the second wire 2, Lt; / RTI >

Therefore, compared to the prior art in which soldering is difficult due to the thin thickness of the terminal pin 400 in the process of directly connecting the second electric wire 2 to the terminal pin 400, the gap between the second electric wire 2 and the terminal pin 400 The electrical connection becomes much easier and the productivity is improved.

The second wires 2 are connected to the pattern 520 having a relatively larger contact area than the terminal pins 400 and the terminal pins 400 and the protruding connection portions 412 are connected to the connection holes 530, it is possible to minimize the short circuit between the second wire 2 and the corresponding terminal pin 400 as compared with the conventional method.

In other words, since the terminal pin 400 and the second electric wire 2 are indirectly connected to each other through the conductive plate 500, the electric connection between the second electric wire 2 and the terminal pin 400 can be easily and stably So that the productivity of the product and the productive effect are simultaneously obtained.

Hereinafter, the operating structure of the present invention will be briefly described.

The electric signals supplied through the power supply unit are transmitted to the terminal pins 400 through the second electric wires 2 and transmitted to the terminal rings 300 connected to the terminal pins 400, To the electric actuating device such as the CCTV via the second electric wire 2 connected to the second electric wire 2.

The first electric wire 1 is connected to the rotary pipe 200 through the terminal ring 300 and the first electric wire 1 is connected to the rotary pipe 200 through the terminal ring 300. In this case, And each terminal ring 300 are also rotated together.

In this process, the rotary tube 200 is connected to the housing 100 through the upper and lower bearings 120, so that the housing 100 is not rotated together while the rotary tube 200 is rotated.

Since the first and second terminal ring connection portions 420 and 430 of the terminal pins 400 are in contact with the edge grooves of the terminal rings 300, The contact state between the rings 300 is continuously maintained.

While the present invention has been described in connection with what is presently considered to be the preferred embodiments, it is to be understood that the invention is not limited to the exemplary embodiments, but, on the contrary, So that the connection between the terminal pin and the second wire can be easily and stably accomplished. The present invention should be considered as falling within the scope of the present invention.

100: housing, 101, 102: first and second through holes
103: Terminal pin fitting groove, 200: Rotating tube
300: terminal ring, 400: terminal pin
410: conductive plate connecting portion, 411:
412: protruding connection portion, 420, 430: first and second terminal ring connection portions
500: conductive plate, 510: connection terminal
520: pattern, 530: connection hole

Claims (4)

A housing 100 having a receiving space formed therein and having first and second through holes 101 and 102 extending from an outer surface to an inner surface with a predetermined space therebetween;
A rotary tube (200) rotatably positioned in a housing space of the housing;
A terminal ring (300) connected to the rotary tube and rotatable together with the rotary tube and connected to the first electric wire (1);
First and second terminal ring connecting portions 420 and 430 inserted through the first and second through holes of the housing and connected to the terminal ring, a conductive plate connecting portion 410 connecting the first and second terminal ring connecting portions 420 and 430, A terminal pin 400 formed on the conductive plate connection part and formed of a carbon-shaped connection part 411 elastically deformed by an external force, the terminal pin 400 being installed at the periphery of the housing and connected to the terminal ring;
A connecting terminal 510 corresponding to the carbon molded connection part 410 of the terminal pin and a pattern 520 connected to the connection terminal and connected to the periphery of the housing, A conductive plate (500) connected while elastically deforming the carbon molded connection portion;
And a second wire (2) connected to the pattern of the conductive plate and connected to the terminal pin through the pattern. A housing 100 having a receiving space formed therein and having first and second through holes 101 and 102 extending from an outer surface to an inner surface with a predetermined space therebetween;
A rotary tube (200) rotatably positioned in a housing space of the housing;
A terminal ring (300) connected to the rotary tube and rotatable together with the rotary tube and connected to the first electric wire (1);
First and second terminal ring connecting portions 420 and 430 inserted through the first and second through holes of the housing and connected to the terminal ring, a conductive plate connecting portion 410 connecting the first and second terminal ring connecting portions 420 and 430, A terminal pin 400 formed on the circumference of the housing and connected to the terminal ring, and a protruding connection portion 412 formed on the conductive plate connection portion;
A connection hole 530 in which the protruding connection portion 412 of the terminal pin of the terminal pin protrudes toward the outside and a pattern 520 in which one side is formed to approach the connection hole, And the protruding connection portion (412) passing through the connection hole (530) is connected to the pattern;
And a second wire (2) connected to the pattern of the conductive plate and connected to the terminal pin through the pattern. The connector according to claim 1 or 2, further comprising a terminal pin seating groove (103) formed between the first and second through holes (101, 102) and into which the terminal pin is inserted, And the first and second terminal ring connecting portions are supported by the first and second through holes while being inserted into the terminal pin receiving grooves. 4. The slip ring of claim 3, wherein the terminal pin receiving groove and the first and second through holes are narrowed inwardly.
KR1020140061861A 2013-05-22 2014-05-22 Slip ring KR101554622B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR20130057976 2013-05-22
KR1020130057976 2013-05-22

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KR20140138066A true KR20140138066A (en) 2014-12-03
KR101554622B1 KR101554622B1 (en) 2015-09-21

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2018051059A1 (en) * 2016-09-15 2018-03-22 Dyson Technology Limited Hand held appliance
GB2567753A (en) * 2016-09-15 2019-04-24 Dyson Technology Ltd Hand held appliance
KR102148788B1 (en) * 2019-04-22 2020-08-27 아주대학교산학협력단 Charging cable connector for electronic equipment
KR20230012273A (en) * 2021-07-15 2023-01-26 (주)우주일렉트로닉스 Rotary Ring for Vehicle

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2018051059A1 (en) * 2016-09-15 2018-03-22 Dyson Technology Limited Hand held appliance
US10186822B2 (en) 2016-09-15 2019-01-22 Dyson Technology Limited Hand held appliance
GB2567753A (en) * 2016-09-15 2019-04-24 Dyson Technology Ltd Hand held appliance
KR102148788B1 (en) * 2019-04-22 2020-08-27 아주대학교산학협력단 Charging cable connector for electronic equipment
KR20230012273A (en) * 2021-07-15 2023-01-26 (주)우주일렉트로닉스 Rotary Ring for Vehicle

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