KR102038782B1 - Blind clutch - Google Patents

Abstract

The present invention relates to a blind clutch and a blind device including the same. More specifically, the present invention relates to the blind clutch, which has relatively long life and can be easily repaired, and the blind device including the same. According to the present invention, the blind clutch includes: a base part including a first horizontal part and a first vertical part; a pulley part installed in the base part to rotate; at least a spring part in which both ends protrude in the horizontal direction; a latch part including a first part and a second part and installed between both ends of the spring part; and a middle part including a second horizontal part and a second vertical part.

Description

Blind Clutch {BLIND CLUTCH}

The present invention relates to a blind clutch and a blind device comprising the same. More particularly, the present invention relates to a blind clutch and a blind device comprising the same, which have a relatively long service life and are easy to repair.

In general, blinds are installed in the window frame so that light through the window can be selectively selected.

Examples of the blinds include roll-shaped blinds and vertical blinds.

As a conventional blind device, Republic of Korea Utility Model Registration No. 20-0349145 (Patent 1) is rotated to wind or unwind the fixed line holding the blind blades in series, once to guide the linear motion from the rotational movement A rotating rod having a thread on the support rod, a supporting bracket for processing one end of the rotating rod into a thread, and fixed by screw engagement; a rotating device positioned on the opposite side of the supporting bracket and connected to the rotating rod, and rotated by an operating string to rotate the rotating rod; And the fixed rod guided through the die and the die to guide and unfasten the fixed rod connecting the blind blades to the rotating rod seating and supporting the rotating rod to rotate and linear horizontal movement according to the rotation of the rotary device Fixed to the rotating rod by sliding contact with the rotating rod The technical construction of the blind apparatus, including fixed line clip having a blade moving key for moving the blade and de publication.

However, Document 1 does not publish a technical configuration for preventing damage to the blind device and a technical configuration for facilitating repair of the blind device.

As another conventional technology, Korean Patent Laid-Open Publication No. 10-2014-0111600 (Document 2) discloses a driving device for driving a blind, but also in this document 2, the technical configuration of the blind device and the prevention of the blind device It does not publish technical configurations that facilitate repairs.

[Document 1] Republic of Korea Registered Utility Model Publication No. 20-0349145 [Document 2] Republic of Korea Patent Publication No. 10-2014-0111600

SUMMARY OF THE INVENTION An object of the present invention is to provide a blind clutch and a blind device including the same, in which contact of a portion having a relatively soft property with a spring is suppressed.

It is also an object of the present invention to provide a blind clutch and a blind device including the same, which can replace a drive line without disassembling the blind clutch.

The blind clutch according to the present invention includes a first horizontal part extending in a horizontal direction and a first vertical part extending in a vertical direction from the first horizontal part. A base part including a base part, a pulley part disposed to be rotatable on the base part, and at least one spring part inserted into the first vertical part and both ends protruding in the horizontal direction; Spring Part), a first part extending in the vertical direction and having a cross section in the horizontal direction including a curved surface, and a second part extending in the horizontal direction on both sides of the first part. And a latch part disposed between both ends of the spring part, a second horizontal part extending in the horizontal direction, and covering the pulley part and the second horizontal part. It may include a middle part including a second vertical part extending from the horizontal part in the vertical direction and having a first through hole through which the first vertical part passes.

The second vertical portion may include an opening that exposes at least a portion of the latch portion on a side thereof, and the protruding end of the spring portion may be positioned between the second portion and the second vertical portion in the horizontal direction. Can be.

In addition, an extension part (extending part) may be formed at one end of the latch part and extends in the horizontal direction and is positioned between the second horizontal part and the pulley part.

The apparatus may further include a cover part into which the second vertical part is inserted into one open end and a cap part connected to the first vertical part through a second through hole formed at the other end of the cover part. can do.

The cover part may further include a plurality of guide parts formed around the second through hole, extending in the vertical direction, and guiding the cap part, and inner side of each of the guide parts. Surface may be provided with a plurality of steps (step) that the cap is caught.

The blind clutch and the blind apparatus including the blind clutch according to the present invention have the effect of preventing the damage to the soft properties by the contact with the spring to increase the life.

In addition, the blind clutch and the blind device including the blind clutch according to the present invention can be replaced and / or installed in the drive line without disassembling the blind clutch has an effect that is easy to repair.

1 is a view for explaining a blind device according to the present invention.
2 to 3 are views for explaining the configuration of the blind clutch.
4 to 6 are diagrams for explaining the base portion.
7 to 8 are diagrams for explaining the pulley part.
9 to 12 are views for explaining the spring portion and the base portion.
13-15 is a figure for demonstrating a clasp part.
16 to 21 are views for explaining the middle portion and the latch portion.
22 to 25 are views for explaining the cover portion, the cap portion and a repair method.

Hereinafter, a blind clutch and a blind apparatus including the same according to the present invention will be described in detail with reference to the accompanying drawings.

As the invention allows for various changes and numerous embodiments, particular embodiments will be illustrated in the drawings and described in detail in the written description. It is not intended to limit the invention to the specific embodiments, it can be understood to include all changes, equivalents, and substitutes included in the spirit and scope of the present invention.

In describing the present invention, terms such as first and second may be used to describe various components, but the components may not be limited by the terms. The terms may be used only for the purpose of distinguishing one component from another component. For example, without departing from the scope of the present invention, the first component may be referred to as the second component, and similarly, the second component may also be referred to as the first component.

The term and / or may include a combination of a plurality of related items or any item of a plurality of related items.

When a component is referred to as being "connected" or "connected" to another component, it may be directly connected or connected to that other component, but other components may be present in between. Can be understood. On the other hand, when a component is said to be "directly connected" or "directly connected" to another component, it may be understood that there is no other component in between.

The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. Singular expressions may include plural expressions unless the context clearly indicates otherwise.

In this document, the terms "comprise" or "having" are intended to indicate that there is a feature, number, step, operation, component, part, or combination thereof described in the specification, and one or more other features. It may be understood that the present invention does not exclude the possibility of the presence or the addition of numbers, steps, operations, components, parts, or a combination thereof.

Unless defined otherwise, all terms used herein, including technical or scientific terms, may have the same meaning as commonly understood by one of ordinary skill in the art. Terms such as those defined in the commonly used dictionaries may be interpreted to have meanings consistent with the meanings in the context of the related art, and shall be interpreted in ideal or excessively formal meanings unless expressly defined in the present application. It may not be.

In addition, the embodiments disclosed in this document are provided to more fully describe those skilled in the art, and shapes and sizes of elements in the drawings may be exaggerated for clarity.

In the following description of the present invention, when it is determined that a detailed description of a related known function or configuration may unnecessarily obscure the subject matter of the present invention, the detailed description may be omitted.

1 is a view for explaining a blind device according to the present invention.

Referring to FIG. 1, the blind apparatus 1 according to the present invention includes a blind clutch 10 and a blind clutch 10 driven by a method such as rotating the blind 12, the blind 12, or the like. It may include a driving string (11) to be connected.

The blind 12 performs a function such as blocking sunlight, and may be formed of a fiber material, a resin material, and / or a metal material.

Here, the blind 12 is described as being of a roll type, but in the present invention, the shape of the blind 12 may not be limited thereto. For example, in the present invention, the blind 12 may be a blade type.

The blind clutch 10 may be connected to a bracket 13 installed on a wall, a window frame, or the like.

Although not shown, the blind apparatus 1 according to the present invention may further include a component such as a rail on which the blind 12 is disposed.

In FIG. 1, DRH may mean a horizontal direction, and DRV may mean a vertical direction.

Hereinafter, unless otherwise indicated, the direction crossing the vertical direction DRV is collectively referred to as a horizontal direction DRH regardless of the X-axis direction or the Y-axis direction.

Looking at the blind clutch 10 with reference to the accompanying drawings as follows.

2 to 3 are views for explaining the configuration of the blind clutch. Hereinafter, the description of the above-described parts may be omitted.

Referring to FIG. 2, a drive line 11 of a bead type including a plurality of beads 11a may be connected to the blind clutch 10 according to the present invention.

When the user pulls one side or the other side of the drive line 11, the blind clutch 10 connected to the drive line 11 may drive the blinds by rotating and / or moving the blinds.

Although the drive line 11 is described as being a bead type including a plurality of beads 11a, the present invention may not be limited thereto. For example, in the present invention, the drive line 11 may be a chain type.

3, the blind clutch 10 according to the present invention includes a base part (100), a pulley part (Pulley Part, 200), at least one spring part (300), and a latch part (Latch Part). , 400), and the middle part 500.

In addition, the blind clutch 10 may further include a cover part 600 and a cap part 700.

First, the pulley part 200 is connected to the base part 100, the spring part 300 and the clasp part 400 may be disposed on the base part 100, and then the intermediate part 500 may be disposed. .

Thereafter, the cover 600 and the cap 700 may be disposed to complete the blind clutch 10.

Hereinafter, each component of the blind clutch 10 will be described in detail with reference to the accompanying drawings.

4 to 6 are diagrams for explaining the base portion. Hereinafter, the description of the above-described parts may be omitted.

Referring to FIG. 4, the base part 100 may include a first horizontal part 110 and a first vertical part 120.

The first horizontal portion 110 may extend in a horizontal direction (DRH) and have a circular shape. Here, although the first horizontal portion 110 is shown as a circular shape, the present invention may not be limited thereto.

The first vertical part 120 may extend from the first horizontal part 110 in a vertical direction (DRV).

If the first horizontal portion 110 is a floor, the first vertical portion 120 may be regarded as a pillar.

A first gear part 140 may be formed in the first vertical part 120. For example, the first gear part 140 may be formed around the first vertical part 120 near a point where the first horizontal part 110 and the first vertical part 120 are connected to each other. The first gear part 140 may correspond to the pulley part 200 to be described below.

At the end of the first vertical portion 120 may be formed a first fastening hole 130 for connection with the cap portion 700 to be described below.

The base unit 100 may further include a protective tube 150.

Here, the protective tube 150 may be inserted into the first vertical portion 120.

In addition, the protective tube 150 may be firmly fixed to the first vertical portion 120.

The protective tube 150 may include a material having a stronger property than the material of the first vertical portion 120. For example, the first vertical portion 120 may be formed of a plastic material, and the protective tube 150 may be formed of a metal material. In this case, the first vertical portion 120 can be prevented from being damaged by the contact with the spring portion 300 to be described below.

Even if the spring part 300 rotates the protection tube 150 in the axial direction, since the protection tube 150 has a relatively strong property, the protection tube 150 may be prevented from being damaged.

The first vertical portion 120 may be provided with a seating portion 160 for mounting the protective tube 150.

The seating part 160 may be provided by making the diameter of a portion of the first vertical portion 120 larger than other portions so that the protection tube 150 is caught.

5 shows an example of a form in which the protective tube 150 is coupled.

Fastening member (Fastening Member, FM) for the connection with the cap portion 700 may be inserted into the base portion 100.

To this end, as shown in FIG. 6, a groove 170 is formed at a rear surface of the base part 100, and the fastening means FM enters the inside of the groove 170 to the first fastening hole 130. Can be inserted.

7 to 8 are diagrams for explaining the pulley part. Hereinafter, the description of the above-described parts may be omitted.

The pulley part 200 may be disposed to be rotatable to the base part 100.

To this end, the pulley part 200 may include the rotating part 210 and at least one connecting gear 220 as in the case of FIG. 7.

The rotating part 210 has a ring shape, and a second gear part 211 corresponding to the first gear part 140 of the base part 100 is formed on an inner side surface thereof. Can be.

A friction part 222 corresponding to the driving line 11 may be formed on an outer side surface of the rotating part 210.

The friction part 222 may be driven by the drive line 11, and the force applied to the drive line 11 may be transmitted to the rotating part 210 by using a friction force with the drive line 11.

When the drive line 11 is a bead type, the friction part 222 may include a plurality of grooves corresponding to the beads.

8 illustrates an example of a state in which the pulley part 200 is connected to the base part 100.

Referring to FIG. 8, the pulley part 200 may be inserted into the first vertical part 120 of the base part 100 and disposed on the first horizontal part 110.

In addition, the plurality of connection gears 220 may be disposed between the first gear part 140 formed in the first vertical part 120 and the second gear part 211 of the pulley part 200.

When the rotating part 210 of the pulley part 200 rotates, the plurality of connection gears 220 may be engaged between the first gear part 140 and the second gear part 211 to rotate. In this way, the pulley portion 200 may be rotatably connected to the base portion 100.

9 to 12 are views for explaining the spring portion and the base portion. Hereinafter, the description of the above-described parts may be omitted.

9, each spring portion 300 may extend in the vertical direction DRV. In other words, the spring part 300 may be formed by winding in a vertical direction DRV.

In addition, both ends 310 and 320 of the spring 300 may protrude in the horizontal direction DRH. Hereinafter, both ends of the spring part 300 may be referred to as a first end 310 and a second end 320.

Referring to FIG. 10, the spring part 300 may be inserted into the first vertical part 120 of the base part 100.

The spring part 300 may rotate in conjunction with the rotation of the pulley part 200 in a state of being inserted into the first vertical part 120.

In addition, the first spring portion 300 inserted into the first vertical portion 120 may be caught by the seating portion 160 of the first vertical portion 120.

In order to form the seating portion 160 on the first vertical portion 120, the diameter of the first vertical portion 120 may be adjusted.

For example, as shown in FIG. 11, the width d3 of the lower portion of the first vertical portion 120 may be larger than the width d1 of the upper portion. Here, the seating part 160 may be formed at a boundary between upper and lower portions of the first vertical part 120 according to a difference in diameter.

In order to more stably arrange the spring part 300, the width d3 of the lower portion of the first vertical part 120 may be larger than the width d2 of the protective tube 150.

In FIG. 12, an example in which the spring part 300 is caught by the seating part 160 in a state in which the spring part 300 is coupled to the first vertical part 120 is posted.

In order to stably arrange the clasp 400 to be described below, as shown in FIG. 12, the width d3 of the lower portion of the first vertical portion 120 is larger than the width d4 of the spring portion 300. It may be desirable.

Here, the width d1 of the upper portion of the first vertical portion 120, the width d3 of the lower portion, the width d2 of the protective tube 150, and the width d4 of the spring portion 300 are all in the horizontal direction DRH. It can mean the width to).

13-15 is a figure for demonstrating a clasp part. Hereinafter, the description of the above-described parts may be omitted.

13 and 14, the clasp 400 extends in the horizontal direction DRH on both sides of the first part 410 and the first part 410 extending in the vertical direction DRV. It may include a second part (Second Part, 420, 430).

Here, the first portion 410 may have a curved surface in the horizontal direction DRH.

In addition, the clasp 400 may have a rear surface of the first portion 410 toward the spring 300. Accordingly, the clasp 400 may be sufficiently in close contact with the spring 300.

The clasp 400 may further include an extending part 440.

Here, the extension 440 may be formed at one end of the clasp 400 and may extend in the horizontal direction DRH.

Referring to FIG. 15, the clasp 400 may be disposed between both ends of the spring 300, that is, between the first end 310 and the second end 320.

16 to 21 are views for explaining the middle portion and the latch portion. Hereinafter, the description of the above-described parts may be omitted.

Referring to FIG. 16, the middle part 500 may be connected to the base part 100 on which the spring part 300 and the clasp part 400 are disposed.

The intermediate part 500 may include a second horizontal part 510 extending in the horizontal direction DRH and a second vertical part extending in the vertical direction DRV from the second horizontal part 510. Part 520).

Here, the second horizontal part 510 may cover the pulley part 200 in a state connected to the base part 100.

In addition, the second vertical portion 520 may include a first through hole 530 through which the first vertical portion 120 passes.

In another aspect, one side of the intermediate part 500 is opened to allow the first vertical part 120 to be inserted, and a first through hole through which the first vertical part 120 penetrates to the other side of the intermediate part 500. 530 may be formed.

In another aspect, the size of the opened portion on one side of the intermediate portion 500 may be larger than the size of the opened portion on the other side of the intermediate portion 500.

The second vertical portion 520 of the intermediate portion 500 may include an opening 540 that exposes at least a portion of the clasp 400 on the side.

Herein, the case in which the openings 540 are formed on both sides of the second vertical portion 520 is taken as an example, but the present invention may not be limited thereto. For example, one opening 540 may be formed in the second vertical portion 520.

Guide grooves 550 may be formed in the second horizontal portion 510 at the boundary between the second horizontal portion 510 and the second vertical portion 520.

The guide groove 550 may correspond to both ends 310 and 320 of the spring 300 and the second portions 420 and 430 of the clasp 400.

The identification code 'US', which is not described in FIG. 16, may mean an upper surface (or a front surface) of the second horizontal portion 510.

When the middle part 500 is observed from below, as shown in FIG. 17, at least one protrusion 560 may be formed on a lower surface (LS) of the second horizontal part 510 of the middle part 500. . Here, each of the protrusions 560 may correspond to the connection gear 220.

In detail, as illustrated in FIG. 18, the connection gear 220 may be inserted into the at least one protrusion 560.

Accordingly, the middle part 500 may also rotate together with the rotation of the pulley part 200.

In addition, since both ends 310 and 320 of the spring portion 300 are positioned between the second vertical portion 520 and the clasp portion 400 of the intermediate portion 500, the spring 500 rotates when the intermediate portion 500 rotates. The portion 300 and the clasp 400 may also rotate together.

19 illustrates an example in which the intermediate part 500 is connected to the base part 100 on which the spring part 300 and the clasp part 400 are arranged.

Referring to FIG. 19, it can be seen that at least a portion of the clasp 400 is exposed through the opening 540 formed at the side of the second vertical portion 520.

In addition, the first end 310 and the second end 320 of the spring 300 may be exposed through the opening 540 formed on the side of the second vertical portion 520.

Although not shown, in the state in which the intermediate part 500 is connected to the base part 100, the extension part 440 of the clasp part 400 may be located between the second horizontal part 510 and the pulley part 200. have.

The extension 400 may contribute to positioning the clasp 400.

At the position corresponding to the opening 540, the protruding zero end of the spring portion 300 is the second portion 420, 430 of the latch portion 400 and the second portion of the intermediate portion 500 in the horizontal direction DRH. It may be located between the vertical portions 520.

For example, as in the first area AR1, at the right side of the opening 540, the first end 310 of the spring portion 300 has one second portion of the clasp 400 in the horizontal direction DRH. It may be located between the 420 and the second vertical portion 520 of the intermediate portion 500.

In addition, as in the first area AR2, the second end 320 of the spring part 300 at the left side of the opening 540 may have the second second part of the other part of the clasp 400 in the horizontal direction DRH ( 430 may be located between the second vertical portion 520 of the intermediate portion 500.

Here, the right side and the left side of the opening 540 are not fixed, and may be changed according to the relative position of the observer looking at the middle part 500.

Assume that the user pulls the right side of the drive line 11 as shown in FIG. 20.

In this case, the rotation part 210 of the pulley part 200 rotates in response to the force applied to the drive line 11, and thus the intermediate part 500, the latch part 400, and the spring part 300 are also rotated. Can rotate together. In addition, by the rotation of the intermediate portion 500 may also rotate the cover portion 600 to be described below.

This will be described with reference to the second area AR2 of FIG. 19. When the rotating part 210 rotates, the other second part 430 of the latch part 400 is the second end 320 of the spring part 300. It can be seen that by rotating the spring unit 300.

Then, when the force applied to the drive line 11 is removed, the first end 310 of the spring portion 300 is caught by the second portion 420 of the latch portion 400 can be suppressed rotation.

Assume that the user pulls the left side of the drive line 11 as shown in FIG. 21.

In this case, the rotation part 210 of the pulley part 200 may rotate in a direction opposite to that of FIG. 20 in conjunction with the force applied to the drive line 11.

This will be described with reference to the first area AR1 of FIG. 19. When the rotating part 210 rotates, one second part 420 of the latch part 400 may open the first end 310 of the spring part 300. It can be seen that by rotating the spring portion 300 by pushing.

Then, when the force applied to the drive line 11 is removed, the second end 320 of the spring portion 300 is caught by the other second portion 430 of the latch portion 400 can be suppressed rotation. .

In this way, the blind clutch 10 according to the invention can drive the blinds.

As described above, since the second portions 420 and 430 of the clasp 400 exert a force on both ends 310 and 320 of the spring 300 in the process of rotating the spring 300. Collision and contact between the 300 and the second vertical portion 520 of the intermediate portion 500 can be suppressed.

Accordingly, damage to the intermediate portion 500 can be prevented. Accordingly, the life of the blind clutch 10 can be extended.

22 to 25 are views for explaining the cover portion, the cap portion and a repair method. Hereinafter, the description of the above-described parts may be omitted.

Referring to FIG. 22, the cover part 600 may be disposed in a state in which the intermediate part 500 is connected to the base part 100.

The second vertical portion 520 of the middle portion 500 may be inserted into one open end of the cover portion 600.

In addition, a second through hole 620 may be formed at the other end of the cover part 600.

The cap part 700 may be connected to the first vertical part 120 of the base part 100 through the second through hole 620 formed in the cover part 600.

The fastening means FM described above may be fastened to the cap part 700 by passing through the first fastening hole 130 formed in the first vertical part 120. Accordingly, the cap part 700 and the first vertical part 120 of the base part may be connected.

In addition, the cover part 600 may further include a plurality of guide parts 610 formed around the second through hole 620.

Here, each guide portion 610 may extend in the vertical direction (DRV) from the end of the cover portion 600.

The guide part 610 may guide the cap part 700. In another aspect, the cap part 700 may be fitted between the guide parts 610.

A plurality of steps (first step S1 and second step S2) may be formed on the inner side surface of each guide part 610.

For example, as illustrated in FIG. 23, the guide part 610 may include a first guide part 610a, a second guide part 610b, a third guide 610c, and a fourth guide part 610d. .

In addition, the first guide part 610a includes a first step S1a and a second step S2a, and the second guide part 610b includes a second step S1b and a second step. The third guide part 610c may include a -2 step S2b, and the third guide part 610c may include a 3-1 step S1c and a 3-2 step S2c. Although not shown in the drawing, the fourth guide part 610d may include a 4-1 step S1d and a 4-2 step S2d.

As illustrated in FIG. 24A, the cap part 700 may be located between the first steps S1 of the guide part 610.

In this case, as shown in FIG. 24B, the second horizontal portion 510 of the intermediate portion 500 is close to the first horizontal portion 110 of the base portion 100, and accordingly, the pulley portion ( 200) can be controlled sufficiently strong.

In the case of FIG. 24, the pulley part 200 and the cover part 600 may rotate smoothly.

Alternatively, as shown in FIG. 25A, the cap part 700 may be located between the second steps SS of the guide part 610. In this case, it can be seen that the gap portion 700 has entered toward the lid portion 600 when compared with the previous FIG. 24A.

In view of the cap 700 being connected to the first vertical part 110, the cap part 600, the middle part 500, and the like may be viewed as moved toward the cap part 700.

In this case, as shown in FIG. 25B, the second horizontal portion 510 of the intermediate portion 500 is moved away from the first horizontal portion 110 of the base portion 100, and the second horizontal portion ( A space may be provided between the 510 and the first horizontal portion 110.

Accordingly, the drive line 11 may be hung on the pulley part 200 by a gap between the second horizontal part 510 and the first horizontal part 110. That is, the repair such as installing / removing / replacement of the drive line 11 in a state where a gap between the second horizontal portion 510 and the first horizontal portion 110 is simply performed without disassembling the blind clutch 10. It may be possible.

In order to prevent the cover part 600 from passing through the cap part 700, it is necessary to keep the gap between the second steps S2 of the guide parts 610 sufficiently small.

In addition, the guide part 610 may have sufficient elasticity so that the cap part 700 may move between the first step S1 and the second step S2 of the guide parts 610.

As such, the technical configuration of the present invention described above can be understood by those skilled in the art that the present invention can be implemented in other specific forms without changing the technical spirit or essential features of the present invention.

Therefore, the exemplary embodiments described above are to be understood as illustrative and not restrictive in all respects, and the scope of the present invention is indicated by the appended claims rather than the foregoing detailed description, and the meaning and scope of the claims are as follows. And all changes or modifications derived from the equivalent concept should be interpreted as being included in the scope of the present invention.

Claims (5)

Base including a first horizontal part extending in a horizontal direction and a first vertical part extending in a vertical direction from the first horizontal part Part);
A pulley part rotatably disposed on the base part;
At least one spring part inserted into the first vertical part and both ends protruding in the horizontal direction;
A first part extending in the vertical direction and having a cross section in the horizontal direction including a curved surface, and a second part extending in the horizontal direction on both sides of the first part, A latch part disposed between both ends of the spring part; And
A second horizontal part extending in the horizontal direction and covering the pulley part; and a second through hole extending in the vertical direction from the second horizontal part and penetrating the first vertical part at an end thereof; A middle part including a vertical vertical part;
Blind clutch comprising a. The method of claim 1,
The second vertical portion includes an opening that exposes at least a portion of the latch portion on a side surface thereof;
The protruding end of the spring portion is positioned between the second portion and the second vertical portion in the horizontal direction. The method of claim 2,
One end of the latch portion is extended in the horizontal direction and the blind clutch is formed with an extending part (Extending Part) is located between the second horizontal portion and the pulley portion. The method of claim 1,
A cover part into which the second vertical part is inserted into an open end; And
A cap part connected to the first vertical part through a second through hole formed at the other end of the cover part;
The blind clutch further including. The method of claim 4, wherein
The cover part further includes a plurality of guide parts formed around the second through hole, extending in the vertical direction, and guiding the cap part.
The blind clutch of the inner side (Inner Side Surface) of each of the guide portion is formed with a plurality of steps (Step) that the cap is engaged.

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