KR102494955B1 - Semi automatic sliding pockedt-door system - Google Patents

Abstract

The present invention relates to a new structure, wherein a semi-automatic door is applied to a pocket-door system, and pulling force application means, buffer means, a door holder, and a door stopper are installed while an inspection window for a passage space is provided only at an upper part of the passage space without a separate inspection window at an upper part of a pocket of a wall. In particular, the pocket-door system includes: a door holder and a stopper member for a frame which includes a frame for a holder and a stopper fixed and coupled to a door frame located at an upper part of the passage space, a door stopper with a rubber material provided in the frame for the holder and the stopper to restrict the maximum limit of opening a sliding door, and a door holder provided in the frame for the holder and the stopper to prevent the sliding door from moving in a direction that the sliding door is closed by the pulling force application means when the sliding door is opened to the maximum limit; and a door holder and a stopper member for a door which includes a vertical extension vertical plate formed in a vertical plate extending in a vertical direction and having a lower end fixed and coupled to a second hanger roller, a horizontal extension vertical plate having one end coupled to an upper end of the vertical extension vertical plate and extending in a horizontal direction toward the passage space, a vertical plate for a stopper bent at a right angle on another end of the horizontal extension vertical plate for intervening in the door stopper, and a holding pin provided at a middle portion in a longitudinal direction of the horizontal extension vertical plate for intervening in the door holder.

Description

Semi-automatic pocket door system {SEMI AUTOMATIC SLIDING POCKEDT-DOOR SYSTEM}

The present invention relates to a pocket door system in which a sliding door protrudes between a pair of walls, and more particularly, to a semi-automatic pocket door system in which the sliding door can be automatically closed.

In general, a door includes a sliding door that opens and closes by sliding the door in a left and right direction along a rail, and a casement door that opens and closes by rotating the door around a hinge installed at one end.

As a type of sliding door, a so-called pocket door capable of immersing the door into a pocket in a wall is widely used in hospitals or schools.

A pocket door is a housing that installs a door into a wall so that when the door is opened, the door is immersed in the wall and is almost invisible, and the inside and outside floors of the door can be constructed equally.

Meanwhile, the semi-automatic sliding door system is a sliding door system in which the door is automatically closed after the door is forcibly opened by a user.

In order to implement such a semi-automatic sliding door system, the door must be slid horizontally with respect to the door frame, etc. In addition, a pulling force applying means such as a wire elastically supported by a spring is connected to the door to separate the door after the door is opened. If no external force is applied, the door is automatically closed by the pulling force applying unit. That is, the pulling force applying means continuously applies the pulling force to the door.

In addition, when the door is closed by the pulling force applying means, the closing speed of the door continuously increases, so that a large shock occurs at the moment the door is closed. In order to solve this problem, a buffering means is provided.

The buffering means usually includes a cylinder and a piston protruding from the cylinder in a horizontal direction, and provides a buffering force to the door before the door is closed to induce soft closing of the door.

In addition, since the semi-automatic sliding door always tends to move in the closing direction, it is inconvenient to keep the door open. Accordingly, convenience is increased by installing a door holder for keeping the door stopped while the door is maximally opened.

In addition, convenience is enhanced by installing a door stopper to limit the maximum opening of the semi-automatic sliding door.

In the prior art, the pulling force applying means and the buffering means are generally disposed above the passage space, but the door holder and the door stopper are generally installed at the end of the door opening direction when the door is fully opened.

Therefore, when a semi-automatic sliding door is applied to a pocket door system, an inspection window for the passage space is provided at the top of the passage space for installation and maintenance of the pulling force applying means and buffer means, and the door holder and door stopper are installed and For maintenance, an inspection window for the pocket should be provided at the top of the wall pocket.

However, this structure not only increases the overall construction cost in that two inspection windows must be provided, but also the pocket inspection window provided on the upper part of the wall pocket damages the aesthetics, so the pocket door system is a semi-automatic sliding door method. makes it difficult to apply.

Republic of Korea Patent Publication No. 10-2022-0026719 "Safe Pocket Door for Classroom" (published on March 7, 2022) Republic of Korea Utility Model Registration No. 20-0377467 "Sliding door pocket housing" (Registration on February 22, 2005) Republic of Korea Patent Publication No. 10-2018-0079062 "Semi-automatic suspension door to prevent shock" (published on July 10, 2018)

The present invention has been made to solve the problems of the prior art as described above, and applies a semi-automatic door to a pocket door system, and installs a pulling force applying means, a buffering means, a door holder, and a door stopper, but only at the top of the aisle space. It is intended to provide a semi-automatic pocket door system with a new structure in which an inspection window for passage space is provided and a separate inspection window may not be provided on the upper part of the pocket on the wall.

In order to solve the above problems, the present invention provides a doorframe frame including an upper rail extending in a horizontal direction, one side disposed between a pair of walls and the other side disposed above a passage space, and a first side provided on one side of the upper portion. The hanger roller and the second hanger roller provided on the other side of the upper part can reciprocate along the upper rail and are inserted into the pocket between the pair of walls while moving in the opening direction or protruded from the pair of walls while moving in the closing direction In a pocket door system including a sliding door: It is fixedly coupled to a door frame located at an upper portion of the passage space, and one end is coupled to the second hanger roller to apply a pulling force to the sliding door to close the sliding door. and a pulling force applying means including a wire whose other end is elastically supported by a spring; a shock absorber comprising a cylinder fixed to a doorframe frame located above the passage space, a piston protruding and retracting from the cylinder in a horizontal direction, and a contact head provided at a tip of the piston; A frame for a holder and a stopper fixedly coupled to a doorframe frame located at an upper portion of the passage space, a door stopper made of rubber material provided in the frame for a holder and a stopper to limit the maximum limit of opening of the sliding door, and the sliding door a door holder for a frame and a stopper member including a door holder provided on the frame for the holder and stopper to prevent the sliding door from moving in the closing direction by the pulling force applying means when the door is opened to the maximum limit; In the form of a vertical plate extending in the vertical direction, a vertically extending vertical plate having a lower end fixedly coupled to the second hanger roller, and a vertical plate having one end coupled to an upper end of the vertically extending vertical plate and extending in a horizontal direction toward the passage space. A horizontally extending vertical plate of the shape, a stopper vertical plate bent at a right angle at the other end of the horizontally extending vertical plate to interfere with the door stopper, and a longitudinal middle portion of the horizontally extending vertical plate to interfere with the door holder a door holder and stopper member for a door including a holding pin provided thereon; a buffer plate fixedly coupled to the first hanger roller and detachably coupled to the contact head of the buffer means by magnetic coupling; Including, it is characterized in that an inspection window for the passage space is provided on the upper part of the passage space, and a separate inspection window is not provided on the upper part of the pocket of the wall.

In the above, the door holder, a horizontally extending horizontal plate extending in the horizontal direction and one end coupled to the frame for the holder and the stopper, a first inclined plate bent downwardly and extending obliquely from the other end of the horizontally extending horizontal plate, the It is preferable that the leaf spring includes a second swash plate bent and extended obliquely upward from the other end of the first swash plate.

As described above, the present invention applies a semi-automatic door to a pocket door system, and while installing a pulling force applying means, a buffering means, a door holder, and a door stopper, an inspection window for the passage space is provided only at the top of the passage space, and the pocket of the wall It is intended to provide a semi-automatic pocket door system with a new structure in which a separate inspection window may not be provided at the top.

1 is a front view showing hidden lines in a closed state of a semi-automatic pocket door system according to an embodiment of the present invention;
2 is a front view of a state in which hidden lines are deleted in FIG. 1;
Figure 3 is a front conceptual view showing a main part extracted from Figure 1;
4 is a front conceptual view showing the doorframe frame and components fixedly coupled thereto in FIG. 3;
5 is a front conceptual view showing the sliding door and components fixedly coupled thereto in FIG. 3;
Figure 6 is a perspective view of the buffer means of Figure 4;
7 is a perspective view of a door holder and a stopper member for a frame of FIG. 4;
8 is a perspective view of the buffer plate of FIG. 5;
9 is a perspective view of a door holder and a stopper member for a door of FIG. 5;
10 is a front view showing hidden lines in a fully open state of the semi-automatic pocket door system of FIG. 1;
11 is a front view of a state in which hidden lines are deleted in FIG. 10;
FIG. 12 is a front conceptual view illustrating a main part extracted from FIG. 10;

Hereinafter, embodiments of the present invention will be described in detail so that those skilled in the art can easily practice with reference to the accompanying drawings. However, the present invention may be embodied in many different forms and is not limited to the embodiments described herein. In addition, in order to clearly describe the present invention in the drawings, parts irrelevant to the description are omitted, and similar reference numerals are assigned to similar parts throughout the specification.

Throughout the specification, when a certain component is said to "include", it means that it may further include other components without excluding other components unless otherwise stated.

1 is a front view showing a hidden line in a closed state of a semi-automatic pocket door system according to an embodiment of the present invention, FIG. 2 is a front view of a state in which the hidden line has been deleted from FIG. 1, and FIG. 3 is a main part extracted from FIG. FIG. 4 is a front conceptual view showing a doorframe frame and components fixedly coupled thereto in FIG. 3, and FIG. 5 is a front conceptual diagram showing a sliding door and components fixedly coupled thereto in FIG. , Figure 6 is a perspective view of the buffer means of Figure 4, Figure 7 is a perspective view of the door holder and stopper member for the frame of Figure 4, Figure 8 is a perspective view of the buffer plate of Figure 5, Figure 9 is the door for the door of Figure 5 A perspective view of a holder and a stopper member, and FIG. 10 is a front view of the semi-automatic pocket door system of FIG. 1 in a fully open state with hidden lines displayed, FIG. 11 is a front view of the state in which the hidden lines have been removed from FIG. It is a front conceptual diagram showing the main parts extracted from .

In FIG. 12 , for convenience of understanding, the door stopper 143 , the vertical plate 243 for the stopper, and the holding pin 244 are expressed in cross-sectional form.

First, a door frame frame 100 is provided as a fixed structure of the present system, and the door frame frame 100 includes an upper rail 110.

The upper rail 110 extends in a horizontal direction and has one side disposed between the pair of walls 10 and the other side disposed above the passage space 20 .

The aisle space 20 is a space opened and closed by the sliding door 200, and a person can enter and exit through the aisle space 20.

A pocket into which the sliding door 200 can be inserted is formed between the pair of walls 10 .

The sliding door 200 has a first hanger roller 210 provided on one side of the upper portion and a second hanger roller 220 provided on the other side of the upper portion.

As the first hanger roller 210 and the second hanger roller 220 slide along the upper rail 110 , the sliding door 200 can reciprocate along the upper rail 110 .

The sliding door 200 is inserted into the pocket between the pair of walls 10 while moving in the opening direction, that is, while the aisle space 20 is opened.

The sliding door 200 protrudes from the pair of walls 10 while moving in the closing direction, that is, while the passage space 20 is closed.

The door frame frame 100 is provided with a pulling force applying means 120, a buffering means 130, a door holder for a frame, and a stopper member 140, respectively.

The pulling force applying means 120 , the buffering means 130 , the frame door holder and the stopper member 140 are all located above the passage space 20 .

A pulling force applying unit 120 is provided to apply a pulling force to the sliding door 200 so that the sliding door 200 closes.

The pulling force applying means 120 includes a wire 121 elastically supported by a spring, as in the prior art.

The pulling force applying means 120 is fixedly coupled to the doorframe frame 100 located above the passage space 20 .

One end of the wire 121 of the pulling force applying means 120 is coupled to the second hanger roller 220 and the other end is elastically supported by a spring (not shown).

In this way, the pulling force applying means 120 always applies an indirect pulling force to the sliding door 200 via the second hanger roller 220, and if no external force is applied after the sliding door 200 is opened The sliding door 200 is automatically closed by the pulling force applying unit 120 .

Since this pulling force applying means 120 itself is very general, a detailed description thereof will be omitted.

The shock absorber 130 includes a cylinder 131 and a piston 132 protruding from the cylinder 131 in a horizontal direction, as in the prior art.

This buffering means 130 itself is very general, so a detailed description thereof will be omitted.

The cylinder 131 is fixedly coupled to the door frame 100 located above the passage space 20 .

The piston 132 protrudes from the cylinder 131 in a horizontal direction, and a contact head 132a is provided at the front end of the piston 132.

In this embodiment, the contact head 132a includes a magnetic material protected by a rubber cover.

The magnetic material is for magnetic coupling with the buffer plate 230 to be described later, and the rubber cover is for preventing noise generated when the magnetic material and the buffer plate 230 to be described later come into contact.

The present buffering means 130 buffers the closing of the sliding door 130 by providing a buffering force to the sliding door 130 when the sliding door 130 moves in the closing direction.

To this end, the buffer means 130 is located on the extended surface of the sliding door 130, specifically, on the moving path of the buffer plate 230 to be described later.

When the sliding door 200 is fully opened, a door holder for a frame and a stopper member 140 are provided to maintain the fully opened state of the sliding door 200 .

A door holder for a frame and a stopper member 140 are fixedly coupled to the door frame frame 100 located above the passage space 20 .

The frame door holder and stopper member 140 includes a holder and stopper frame 141 , a door holder 142 and a door stopper 143 .

The holder and stopper frame 141 is fixedly coupled to the doorframe frame 100 located above the passage space 20 .

A door holder 142 and a door stopper 143 are provided on the holder and stopper frame 141 .

The door stopper 143 is made of rubber and is provided on the frame 141 for the holder and stopper to limit the maximum opening limit of the sliding door 200 .

The door stopper 143 is provided on the movement path of the stopper vertical plate 243 of the door holder for a door and the stopper member 240 to limit the maximum movement range of the stopper vertical plate 243.

The door holder 142 prevents the sliding door 200 from moving in the closing direction by the pulling force applying means 120 when no external force is applied when the sliding door 200 is opened to the maximum limit. To this end, it is provided on the frame 141 for holders and stoppers.

The door holder 142 of the present embodiment extends in the horizontal direction and has one end inclined downward from a horizontally extending horizontal plate 142a fixedly coupled to the holder and stopper frame 141 and the other end of the horizontally extending horizontal plate 142a. It is a leaf spring including a first inclined plate 142b bent and extended, and a second inclined plate 142c bent and extended obliquely upward from the other end of the first inclined plate 142b.

Accordingly, the cross-sectional structures of the first and second inclined plates 142b and 142c form a pointed wedge shape downward.

The second inclined plate 142c permits the movement of the holding pin 244 while the horizontally extending horizontal plate 142a is elastically deformed upward when the holding pin 244 moves in the opening direction, and the first inclined plate 142b In the absence of an external force, the holding pin 244 is prohibited from moving in the closing direction, and in the case of an external force, the horizontally extending horizontal plate 142a is elastically deformed upward when the holding pin 244 moves in the closing direction. As the holding pin 244 is allowed to move in the closing direction.

Next, components coupled to the sliding door 200 and moving together with the sliding door 200 will be described.

A buffer plate 230 is provided on the first hanger roller 210 .

The buffer plate 230 is fixedly coupled to the first hanger roller 210 and moves together with the first hanger roller 210 and the sliding door 200, and is coupled with the contact head 132a of the buffer unit 130 by magnetic force coupling. Detachably coupled.

In this embodiment, since the buffer plate 230 is made of metal and the contact head 132a provided at the front end of the piston 132 of the buffer means 130 includes a magnetic material, the buffer plate 230 and the contact head 132a are mutually When the distance is reduced, they are coupled to each other by magnetic coupling, and when the distance between them is increased, the buffer plate 230 and the contact head 132a are separated and separated from each other.

A door holder for a door and a stopper member 240 are provided on the second hanger roller 220 .

The door holder and stopper member 240 for a door includes a vertically extending vertical plate 241, a horizontally extending vertical plate 242, a vertical stopper plate 244, and a holding pin 244.

The vertically extending vertical plate 241 is in the form of a vertical plate extending in a vertical direction, and a lower end thereof is fixedly coupled to the second hanger roller 220 .

The horizontally extending vertical plate 242 has one end coupled to the upper end of the vertically extending vertical plate 241 and has a vertical plate shape extending horizontally toward the passage space 20 .

The vertical plate 243 for the stopper is a vertical plate bent at a right angle at the other end of the horizontally extending vertical plate 242 to interfere with the door stopper 143 . Accordingly, the door holder for the frame and the door stopper 143 of the stopper member 140 are positioned within the moving path of the vertical plate 243 for the stopper.

The holding pin 244 is provided in the longitudinal middle of the horizontally extending vertical plate 242 to interfere with the door holder 142, and the frame door holder and stopper member ( The door holder 142 of 140 is positioned.

The operation of this embodiment is explained.

In the state of FIG. 1, one end of the wire 121 of the pulling force applying means 120 is connected to the second hanger roller 220, and the contact head 132a of the piston 132 of the buffering means 130 is connected to the first It is in a state of being magnetically coupled to the buffer plate 230 provided on the hanger roller 210 .

The door holder for a door and the stopper member 240 coupled to the second hanger roller 220 are not coupled anywhere.

In this state, the main components of the system, namely the pulling force applying means 120, the buffer means 130, the door holder for the frame and the stopper member 140, the buffer plate 230, the door holder for the door and the stopper member All 240 may be located above the aisle space 20 .

Therefore, the pulling force applying means 120, the buffer means 130, the door holder and stopper member 140 for the frame, the buffer plate 230, the door holder and stopper member 240 for the door, etc. It is sufficient to provide an inspection window 30 for the aisle space for installation and maintenance of the wall 10, and there is no need to provide a separate inspection window in the upper part of the pocket of the wall 10.

Next, a state in which the sliding door 200 is forcibly opened in the state of FIG. 1 and the sliding door 200 is completely opened as shown in FIG. 10 will be described.

When the sliding door 200 is forcibly opened in the state of FIG. 1 , the first hanger roller 210 and the second hanger roller 220 move along the upper rail 110, and at this time, the pulling force applying means 120 One end of the wire 121 moves along with the second hanger roller 220 while maintaining a state connected to the second hanger roller 220, resulting in the state of FIGS. 10 to 12. That is, the pulling force applying unit 120 continuously applies the pulling force to the second hanger roller 220 .

That is, if the sliding door 200 is not completely opened, the sliding door 200 is automatically closed by the pulling force applying unit 120 .

On the other hand, when the buffer plate 230 moves together with the first hanger roller 210, the contact head 132a of the piston 132 of the buffer means 130 initially moves the piston 132 by magnetic coupling with the buffer plate 230. While being withdrawn from the cylinder 131, the magnetic coupling between the contact head 132a and the buffer plate 230 is maintained, and when the piston 132 is maximally drawn out, the piston 132 and the contact head 132a stop at that position. Then, the buffer plate 230 continues to move along with the first hanger roller 210 while being separated from the contact head 132a, resulting in the state of FIGS. 10 to 12.

At this time, since the door holder for the frame and the stopper member 140 are located in the moving path of the buffer plate 230, the structure of the door holder for the frame and the stopper member 140 should not interfere with the buffer plate 230.

In addition, in this embodiment, as shown in FIG. 12, since the contact head 132a of the piston 132 is located in the movement path of the frame door holder and stopper member 140, the structure of the frame door holder and stopper member 140 There should be nothing interfering with the contact head 132a of the piston 132.

Hereinafter, a case in which the sliding door 200 is completely opened will be described.

The door holder for a door and the stopper member 240 coupled to the second hanger roller 220 also move in the opening direction together with the second hanger roller 220 .

At this time, the door holder for the door and the holding pin 244 of the stopper member 240 first meet the door holder for the frame and the second inclined plate 142c of the door holder 142 of the horizontal plate member 140, and at this time, the door The holder 142 allows the movement of the holding pin 244 while being elastically deformed upward, and then the door holder for the door and the stopper vertical plate 243 of the stopper member 240 is the door holder for the frame and the horizontal plate member It meets the door stopper 143 of (140) and stops. At this time, the holding pin 244 of the door holder and stopper member 240 for a frame is located on the right side of the first inclined plate 142b of the door holder 142 of the door holder for a frame and the horizontal plate member 140, One inclined plate 142b prevents the holding pin 244 from moving in the closing direction by the pulling force applying means 120 .

That is, when the sliding door 200 is in a completely open state, despite the pulling force applying means 120, the sliding door 200 includes the frame door holder and stopper member 140 and the door holder and stopper member for the door By (240), it is possible to maintain a completely open state as it is.

Such a state is shown in FIGS. 10 to 12 .

In this state, the main components of the present system, that is, the pulling force applying means 120, the buffering means 130, the door holder for the frame and the stopper member 140, and the door holder for the door and the stopper member 240 are all It may be located at the top of the aisle space 20 .

Therefore, the pulling force applying means 120, the buffering means 130, the door holder for the frame and the stopper member 140, the door holder for the door and the stopper member 240 are installed on the upper part of the passage space 20 (especially the frame It is sufficient to work through the inspection window 30 for the aisle space for the installation work to establish the relationship between the door holder and stopper member 140 and the door holder and stopper member 240 for the door, etc.), and the wall ( 10), there is no need to provide a separate inspection window on the upper part of the pocket.

In this state, when the sliding door 200 is forcibly closed, that is, when an external force is applied, the door holder 142 elastically deforms upward and allows the movement of the holding pin 244, whereby the holding pin 244 It passes through the first inclined plate 142b and the second inclined plate 142c and moves in the closing direction.

Thereafter, the sliding door 200 continuously moves in the closing direction by the pulling force applying unit 120 and is completely closed.

On the other hand, the buffer plate 230 meets the contact head 132a of the buffer means 130 while moving in the closing direction and magnetically engages, and after the buffer plate 230 meets the contact head 132a of the buffer means 130 From there, the piston 132 is inserted into the cylinder 131 and moves along with the buffer plate 230 in the closing direction to buffer the closing of the sliding door 200.

As a result, the sliding door 200 is in a completely closed state as shown in FIGS. 1 to 3 .

The above description of the present invention is for illustrative purposes, and those skilled in the art can understand that it can be easily modified into other specific forms without changing the technical spirit or essential features of the present invention. will be. Therefore, it should be understood that the embodiments described above are illustrative in all respects and not restrictive. For example, each component described as a single type may be implemented in a distributed manner, and similarly, components described as distributed may be implemented in a combined form.

The scope of the present invention is indicated by the following claims rather than the detailed description above, and all changes or modifications derived from the meaning and scope of the claims and equivalent concepts should be interpreted as being included in the scope of the present invention. do.

10: wall 20: aisle space
30: inspection window for aisle space
100: door frame frame
110: upper rail
120: pulling force applying means 121: wire
130: buffer means 131: cylinder
132: piston 132a: contact head
140: frame door holder and stopper member
141: frame for holder and stopper 142: door holder
142a: horizontally extended horizontal plate 142b: first inclined plate
142c: second inclined plate 143: door stopper
200: sliding door
210: first hanger roller 220: second hanger roller
230: buffer plate
240: door holder and stopper member for door
241: vertical extension plate 242: horizontal extension vertical plate
243: vertical plate for stopper 244: pin for holding

Claims (2)

A doorframe frame including an upper rail extending in the horizontal direction, one side disposed between a pair of walls and the other side disposed above the passage space, a first hanger roller provided on one side of the upper part and a second hanger roller provided on the other side of the upper part In the pocket door system including a sliding door that can reciprocate along the upper rail and is inserted into a pocket between a pair of walls while moving in an opening direction or protrudes from the pair of walls while moving in a closing direction:
A wire fixedly coupled to a doorframe frame located at an upper portion of the aisle space, one end coupled to the second hanger roller and the other end elastically supported by a spring in order to apply a pulling force to the sliding door to close the sliding door A pulling force applying means comprising;
a shock absorber comprising a cylinder fixed to a doorframe frame located above the passage space, a piston protruding and retracting from the cylinder in a horizontal direction, and a contact head provided at a tip of the piston;
A frame for a holder and a stopper fixedly coupled to a doorframe frame located at an upper portion of the passage space, a door stopper made of rubber material provided in the frame for a holder and a stopper to limit the maximum limit of opening of the sliding door, and the sliding door a door holder for a frame and a stopper member including a door holder provided on the frame for the holder and stopper to prevent the sliding door from moving in the closing direction by the pulling force applying means when the door is opened to the maximum limit;
In the form of a vertical plate extending in the vertical direction, a vertically extending vertical plate having a lower end fixedly coupled to the second hanger roller, and a vertical plate having one end coupled to an upper end of the vertically extending vertical plate and extending in a horizontal direction toward the passage space. A horizontally extending vertical plate of the shape, a stopper vertical plate bent at a right angle at the other end of the horizontally extending vertical plate to interfere with the door stopper, and a longitudinal middle portion of the horizontally extending vertical plate to interfere with the door holder a door holder and stopper member for a door including a holding pin provided thereon;
a buffer plate fixedly coupled to the first hanger roller and detachably coupled to the contact head of the buffer means by magnetic coupling;
Including,
A semi-automatic pocket door system, characterized in that an inspection window for the passage space is provided on the upper part of the passage space, and a separate inspection window is not provided on the upper part of the pocket of the wall.
According to claim 1,
The door holder includes a horizontally extending horizontal plate extending in a horizontal direction and having one end coupled to the frame for the holder and the stopper, a first inclined plate bent downwardly and extending obliquely from the other end of the horizontally extending horizontal plate, and the first inclined plate A semi-automatic pocket door system, characterized in that it is a leaf spring including a second inclined plate bent and extended obliquely upward from the other end.

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