KR20150000587A - Up and Down Type Folding Door - Google Patents

Up and Down Type Folding Door Download PDF

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Publication number
KR20150000587A
KR20150000587A KR20130072828A KR20130072828A KR20150000587A KR 20150000587 A KR20150000587 A KR 20150000587A KR 20130072828 A KR20130072828 A KR 20130072828A KR 20130072828 A KR20130072828 A KR 20130072828A KR 20150000587 A KR20150000587 A KR 20150000587A
Authority
KR
South Korea
Prior art keywords
door
cylinder
lower door
arm
center
Prior art date
Application number
KR20130072828A
Other languages
Korean (ko)
Inventor
김중삼
김국희
Original Assignee
주식회사 삼흥정밀
김국희
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 주식회사 삼흥정밀, 김국희 filed Critical 주식회사 삼흥정밀
Priority to KR20130072828A priority Critical patent/KR20150000587A/en
Publication of KR20150000587A publication Critical patent/KR20150000587A/en

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05D—HINGES OR SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS
    • E05D15/00—Suspension arrangements for wings
    • E05D15/26—Suspension arrangements for wings for folding wings
    • E05D15/262—Suspension arrangements for wings for folding wings folding vertically
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
    • E05F5/00—Braking devices, e.g. checks; Stops; Buffers
    • E05F5/02—Braking devices, e.g. checks; Stops; Buffers specially for preventing the slamming of swinging wings during final closing movement, e.g. jamb stops
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
    • E05Y2201/00—Constructional elements; Accessories therefor
    • E05Y2201/40—Motors; Magnets; Springs; Weights; Accessories therefor
    • E05Y2201/43—Motors
    • E05Y2201/448—Fluid motors; Details thereof
    • E05Y2201/454—Cylinders
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
    • E05Y2201/00—Constructional elements; Accessories therefor
    • E05Y2201/40—Motors; Magnets; Springs; Weights; Accessories therefor
    • E05Y2201/47—Springs
    • E05Y2201/478—Gas springs
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
    • E05Y2201/00—Constructional elements; Accessories therefor
    • E05Y2201/60—Suspension or transmission members; Accessories therefor
    • E05Y2201/622—Suspension or transmission members elements
    • E05Y2201/624—Arms
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
    • E05Y2900/00—Application of doors, windows, wings or fittings thereof
    • E05Y2900/20—Application of doors, windows, wings or fittings thereof for furniture, e.g. cabinets

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Extensible Doors And Revolving Doors (AREA)
  • Support Devices For Sliding Doors (AREA)

Abstract

The present invention relates to a folding type door device which can be folded up and down by being mounted inside a cabinet for storing various articles. The folding type door device can easily open and close the door even when the place is narrow, To be able to do so.
To this end, the present invention provides a folding type door device for folding an upper door 10 and a lower door 20 upward and downward to open and close, comprising: a support member 50 provided on both inner sides of the interior of the storage device 1; A pair of arms 60 each having one end connected to the cylinder 70 and the other end connected to the inner surface of the lower door 20, A connection bracket 80 provided on the inner surface of the support member 20 and connected to one end of the arm 60 and a damper 90 provided below the support member 50 for absorbing the impact of the arm 60 The arm 60 includes a body portion 61 which is a straight line member and a bent portion 62 which is bent toward the inside of the storage unit 1 at one end of the body portion 61 and is connected to the cylinder 70 at one end thereof. And a second bent portion 62 which is bent toward the inside of the storage unit 1 at the other end of the body portion 61, Connected to the connection brackets (80) provided in the first surface characterized by comprising a second bent part (63).

Description

Description of the Related Art [0002] Up and Down Type Folding Door [0003]

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to a folding type door device, and more particularly, to a folding type door device which is installed in a wall of a home or an office and is installed inside a cabinet for storing various items, .

Generally, a storage room as shown in Fig. 1 is installed on the upper part of the sink or the office of a home, and various kinds of articles are stored.

The above-described conventional storage unit 1 is usually made of a wood material, and a door 2 of a hinged type is installed on the front surface. A hinge (not shown) for rotating the door 2 is provided inside the storage space so that the door 2 is rotated at a certain angle.

However, the above-described conventional storage unit 1 has a problem of occupying a lot of space when opening and closing the door 2 because it is a structure for opening the door 2 forward.

Particularly, when the space is narrow, it is difficult to store the articles. In the case of storing large-sized articles, both the doors 1 must be opened.

In addition, there is a problem that when the door 2 is closed, the door 2 hits the front surface of the storage unit 1 to generate noise when the door 2 is closed for a long period of time. have.

SUMMARY OF THE INVENTION The present invention has been made to solve the above problems occurring in the prior art, and it is an object of the present invention to provide a foldable door device capable of increasing the space utilization by not occupying a large space when the door is opened and closed, And the like.

It is another object of the present invention to provide a vertically-folding door device which can easily open and close a door to easily store a large-sized article.

It is still another object of the present invention to provide a vertically-folding door device that allows a door to be completely closed even when used for a long time.

It is still another object of the present invention to provide a vertically-foldable door device which can be closed smoothly when a door is closed to prevent noise from being generated due to an impact.

It is another object of the present invention to provide a folding door device for automatically folding an upper door and a lower door.

Still another object of the present invention is to provide a folding door device capable of easily overcoming and assembling an arm member and a lower door even if a machining error occurs during assembly.

According to an aspect of the present invention, there is provided a door device comprising: an upper door and a lower door provided on a front surface of a cabinet that is installed in a wall of a home or an office and stores various articles; And a door handle provided on the lower door, wherein the upper door and the lower door are folded up and down, the upper and lower folding door apparatus comprising: a supporting member provided on both inner sides of the cabinet, A pair of arms each having one end connected to the cylinder and the other end connected to an inner surface of the lower door, and a connection bracket provided on an inner surface of the lower door and connected to one end of the arm, And a damper provided at a lower portion of the support member for absorbing the impact of the arm, A first bent portion bent toward one end of the body portion from the one end of the body portion and connected to the cylinder at one end thereof, and a second bent portion bent from the other end of the body portion toward the inside of the storage case, And a second bending portion connected to the second bending portion.

The first bent portion may include a first fixed hinge portion fixed to the support member and a first movable hinge portion connected to the cylinder and rotating and rotating at a predetermined angle. And a second moving hinge part connected to the connection bracket provided on the inner surface of the door and moving up and down together with the lower door.

The rotation center of the first moving hinge part connected to one end of the cylinder and the arm is located on the upper part of the center connecting line connecting the center of the second fixed hinge part of the cylinder and the center of the first fixed hinge part of the arm .

The door connecting member includes an upper door fixing plate provided on both sides of the lower end of the upper door, a lower door fixing plate provided on both sides of the upper end of the lower door, and a connection plate between the upper door fixing plate and the lower door fixing plate. And a hinge unit provided between the connection plate and the lower door fixing plate.

The connection plate is bent toward the inside of the storage case so that the lower door fixing plate is received when the door is closed.

Further, the cylinder is characterized by being either a gas type or a hydraulic type cylinder.

Further, the damper is characterized by being a gas absorber having a spring at an end thereof.

The connecting bracket may include a fixing portion fixed to both sides of the lower door lower portion and a protrusion extending perpendicularly from the fixing portion toward the inside of the storage portion, And a slot is formed in the slot.

According to the present invention, since the space is not occupied much when the door is opened and closed, space utilization can be increased, and even when the place is narrow, the door can be easily opened and closed.

In addition, since the large-sized storage door can be opened and closed smoothly with a small force, it is possible to easily store a large-sized article, thereby improving the user's convenience.

Further, there is an effect that the phenomenon that the door is not completely closed even when used for a long time is not caused.

Further, the door is smoothly closed by the shock absorber, so that no noise due to the impact is generated when the door is closed.

Further, since the upper door and the lower door are automatically opened and closed, the opening and closing of the door can be smoothly performed.

Further, even if a machining error occurs during assembly of the arm member and the lower door, the assembly can be easily performed.

1 is a perspective view showing an example of a storage cabinet according to the prior art;
2 is a perspective view illustrating a folding and folding type door apparatus according to the present invention.
3 is a perspective view showing a state in which the vertical folding door according to the present invention is opened.
4A to 4D are perspective views sequentially showing a state in which the vertical folding door according to the present invention is opened.
5 is a perspective view of the arm of the vertical folding door according to the present invention;
6 is a side view of the arm and cylinder of the folding door according to the present invention.
7 is a view showing a connecting bracket between an arm and a lower door of a vertical folding door according to the present invention.
8 is a view showing a damper of a vertical folding door according to the present invention.
9 is a view showing a door connecting member of a vertical folding door according to the present invention.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, preferred embodiments of a vertical folding door apparatus according to the present invention will be described in detail with reference to FIGS. 2 to 9. FIG.

2 and 3, the upper and lower folding door apparatuses according to the present invention include an upper door 10 and a lower door 10, which are provided on a front surface of a storage room 1 installed in a wall of a home or an office, A pair of door connecting members 30 provided between the upper door 10 and the lower door 20 and a door handle 40 provided on the lower door 20, And the upper door 10 and the lower door 20 are folded up and down to open and close.

As shown in Fig. 4, the vertical folding door apparatus according to the present invention includes a support member 50, which is provided on both inner side surfaces of the cabinet 1, respectively.

The plate-like support member 50 is made of a metal material and is fixed to both sides of the cabinet 1. [ 4 shows only one side for convenience.

As shown in FIGS. 4 to 6, the support member 50 is mounted with a cylinder 70 that rotates the arm 60 to open and close the door vertically.

The cylinder 70 may be a gas type or a hydraulic type. When the door is opened, the arm 60 is rotated to lift the door upward.

One end of the cylinder 70 is fixed to the support member 50 by the second hinge fixing portion 71 and the other end is fixed by the first moving hinge portion 65 to the arm 60 ).

5, the arm 60 includes a body 61 which is a straight member, and a pair of arms 60 which are bent at one end of the body 61 toward the interior of the storage unit 1, And a connecting bracket 80 which is bent toward the inside of the storage unit 1 at the other end of the body portion 61 and is provided on the inner surface of the lower door 20 And a second bent portion 63.

The first bent portion 62 of the arm 60 is provided with a first fixed hinge portion 64 fixed to the support member 50 and a second fixed hinge portion 64 connected to the cylinder 70, A moving hinge portion 65 is provided.

The first moving hinge part (65) moves at a predetermined angle between the first fixed hinge part (64) and the second fixed hinge part (71).

The second bending portion 63 of the arm 60 is connected to the connection bracket 80 provided on the inner surface of the lower door 20 and is connected to the second moving hinge portion (Not shown).

The second moving hinge portion 66 lifts the door while performing a circular motion with a predetermined locus together with the lower door 20 with the first fixed hinge portion 64 as a rotation center.

The rotation center of the first moving hinge portion 65 to which the cylinder 70 and one end of the arm 60 are connected is determined by the center of the second fixed hinge portion 71 of the cylinder 70 and the center of the arm 60, (See Fig. 6), which connects the center of the first fixed hinge portion 64 of the first fixed hinge portion 64 (see Fig. 6).

That is, the center of rotation of the first moving hinge portion 65 is formed with an angle? At the center connecting line L as shown in FIG.

The angle? Is determined depending on the size of the storage space and is preferably about 2 to 6 degrees. When the angle? Is large, the force is large when the door is opened for the first time.

Accordingly, when the door is closed, the force of the cylinder 70 acts toward the direction "A ", so that the door remains closed.

The center of rotation of the cylinder 70 and the first moving hinge portion 65 to which the one end of the arm 60 is connected is substantially the same as the center of the second fixed hinge portion 71 of the cylinder 70, The door is automatically raised to the top by the force of the cylinder 70 when the lower portion of the center connecting line L connecting the center of the first fixed hinge portion 64 of the arm 60 (Operation of the door will be described later).

At this time, it is preferable that the compressive force of the cylinder (70) is selected in such a degree that the door can be lifted in consideration of the weight of the door.

If the compression force of the cylinder 70 is excessively large, opening of the door is easy, but it is not preferable because the force is large when the door is closed.

As shown in FIG. 5, the vertical folding door apparatus according to the present invention includes a connecting bracket 80 connecting the lower end of the arm 60 to the lower door 20.

7, the connection bracket 80 includes a fixing portion 81 fixed to both sides of the lower end of the lower door 20, a protrusion 81 extending from the fixing portion 81 at right angles to the inside of the storage space, And connects the lower door 20 and the lower end of the arm 60 to each other.

A slot 83 is formed in the projecting portion 82 of the connection bracket 80 to allow the pin 67 of the arm 60 to move up and down. Accordingly, even if an error occurs during assembly of the arm 60, the assembly can be easily performed.

A damper (90) for absorbing impact when the door is closed is provided at a lower portion of the support member (50) provided on the inner side surface of the storage space.

The damper 90 is preferably a gas absorber having a spring 91 at its end as shown in FIG.

The damper 90 can prevent the shock noise from being generated by contacting the arm 60 when the door is closed. Especially, even if it is a large door, impact noise can be effectively absorbed.

9, the door connecting member 30 connecting the upper door 10 and the lower door 20 includes an upper door fixing plate 31 provided on both sides of the lower end of the upper door 10, A lower door fixing plate 32 provided at both upper ends of the lower door 20 and a connection plate 33 between the upper door fixing plate 31 and the lower door fixing plate 32, And a hinge portion 34 provided between the lower door fixing plate 33 and the lower door fixing plate 32.

The connection plate 33 is bent toward the inside of the storage cabinet so that the lower door fixing plate 32 is received when the door is closed. Accordingly, even if the door is closed, the lower door 20 does not protrude to the outside.

Hereinafter, the operation of the vertical folding door apparatus according to the present invention will be described with reference to FIGS. 4A to 4D.

4A, the rotation center of the first moving hinge portion 65, to which the cylinder 70 and the one end of the arm 60 are connected, is connected to the second fixing (not shown) of the cylinder 70, And is located above the center connecting line L connecting the center of the hinge portion 71 and the center of the first fixed hinge portion 64 of the arm 60 (see FIG. 6).

At this time, the force that the cylinder 70 pushes the first moving hinge part 65 acts toward the direction of arrow A as shown in Fig. 6, so that the door remains closed.

When the user opens the door, the cylinder 70 merely needs to overcome the force of pushing the first moving hinge portion 65.

4B, when the user holds the door handle 40 and lifts the door slightly, the rotation center of the first moving hinge portion 65, to which the one end of the cylinder 70 and the arm 60 are connected, Of the first fixed hinge portion 64 of the arm 60 coincides with the center connecting line L connecting the center of the second fixed hinge portion 71 of the cylinder 70 and the center of the first fixed hinge portion 64 of the arm 60. [

4C, the center of rotation of the first moving hinge portion 65 is located at the center of the second fixed hinge portion 71 of the cylinder 70 and the center of the second fixed hinge portion 71 of the cylinder 70. In this state, (L) connecting the center of the first fixed hinge portion (64) of the first fixed hinge portion (60).

At this time, the cylinder 70 is continuously pushed by the first moving hinge portion 65, so that the arm 60 is automatically rotated upward to lift the door upward. Therefore, no additional force is required.

When the door is raised to a certain height, the upper door 10 and the lower door 20 start to be folded inward, and finally, the state shown in FIG.

Subsequently, when the door is closed, the user grips the door handle 40 and descends. The door then goes down through the opposite process of opening.

At this time, even if the door is tightly closed, the arm 60 is closed while being in contact with the damper 90, so that shock noise is not generated.

When the door finally reaches the state shown in FIG. 4A through the state of FIG. 4B, the force that the cylinder 70 pushes the first moving hinge portion 65 is directed in the direction of the arrow A do.

That is, the moment acting on the door acts counterclockwise about the first fixed hinge portion 64, so that the door is completely closed to maintain a stable state.

Although the preferred embodiments of the present invention have been described above with reference to the case of a cabinet installed in a wall of a home or an office, the present invention is not limited to the above embodiment. It will be understood by those skilled in the art that various changes and modifications may be made without departing from the scope of the present invention.

1: cabinet 2: door (Door)
10: upper door 20: lower door
30: door connecting member 31: upper door fixing plate
32: lower door fixing plate 33: connection plate
34: Hinge 40: Door handle
50: support member 60:
61: body portion 62: first bent portion
63: second bent portion 64: first fixed hinge portion
65: first moving hinge portion 66: second moving hinge portion
67: Pin 70: Cylinder
71: second fixed hinge part 80: connection bracket
81: Fixing portion 82:
83: Slot 90: Damper
91: Spring L: Center connection line

Claims (8)

An upper door 10 and a lower door 20 provided on a front surface of a storage room 1 installed in a wall of a home or an office for storing various articles and a door 20 provided between the upper door 10 and the lower door 20 And a door handle 40 provided on the lower door 20. The upper door 10 and the lower door 20 are folded up and down to open and close the upper door 10 and the lower door 20, In a folding door device,
A support member 50 provided on both inner sides of the interior of the storage unit 1,
A cylinder 70 provided in the support member 50,
A pair of arms 60 having one end connected to the cylinder 70 and the other end connected to the inner surface of the lower door 20,
A connection bracket 80 provided on the inner surface of the lower door 20 and connected to one end of the arm 60,
And a damper (90) provided below the support member (50) to absorb impact of the arm (60)
The arm (60)
A body portion 61 which is a linear member,
A first bent part 62 bent from one end of the body part 61 toward the interior of the storage case 1 and having one end connected to the cylinder 70,
And a second bending portion 63 folded toward the inside of the storage unit 1 from the other end of the body portion 61 and connected to a connection bracket 80 provided on the inner surface of the lower door 20. [ Up and down folding door unit. The method according to claim 1,
The first bending section 62 includes a first fixed hinge section 64 fixed to the support member 50 and a first movable hinge section 65 connected to the cylinder 70 and rotating and rotating at a predetermined angle. ),
A second moving hinge portion 66 connected to the connection bracket 80 provided on the inner surface of the lower door 20 and moving up and down together with the lower door 20 is provided in the second bending portion 63 And the upper and lower folding door units are connected to each other. 3. The method of claim 2,
The rotation center of the first moving hinge portion 65 to which the cylinder 70 and one end of the arm 60 are connected is smaller than the center of the second fixed hinge portion 71 of the cylinder 70 and the center of the arm 60, Is located on an upper portion of a center connecting line (L) connecting the center of the first fixed hinge portion (64). The method according to claim 1,
The door connecting member (30)
An upper door fixing plate 31 provided on both sides of the lower end of the upper door 10, a lower door fixing plate 32 provided on both sides of the upper end of the lower door 20, And a hinge part (34) provided between the connecting plate (33) and the lower door fixing plate (32), characterized in that the hinge part (34) . 5. The method of claim 4,
Wherein the connecting plate (33) is bent toward the inside of the storage cabinet so as to receive the lower door fixing plate (32) when the door is closed. The method according to claim 1,
Wherein the cylinder (70) is one of a gas type and a hydraulic type cylinder. The method according to claim 1,
Wherein the damper (90) is a gas absorber having a spring (91) at an end thereof. The method according to claim 1,
The connection bracket 80 includes a fixing portion 81 fixed to both sides of the lower end of the lower door 20 and a protrusion 82 extending from the fixing portion 81 at right angles to the interior of the storage space,
Wherein the protrusion (82) is formed with a slot (83) for allowing the pin (67) provided on the arm (60) to move up and down.
KR20130072828A 2013-06-25 2013-06-25 Up and Down Type Folding Door KR20150000587A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR20130072828A KR20150000587A (en) 2013-06-25 2013-06-25 Up and Down Type Folding Door

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR20130072828A KR20150000587A (en) 2013-06-25 2013-06-25 Up and Down Type Folding Door

Publications (1)

Publication Number Publication Date
KR20150000587A true KR20150000587A (en) 2015-01-05

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Family Applications (1)

Application Number Title Priority Date Filing Date
KR20130072828A KR20150000587A (en) 2013-06-25 2013-06-25 Up and Down Type Folding Door

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2017150794A1 (en) * 2016-03-03 2017-09-08 주식회사 우신씨앤티 Shock absorber having damping function for furniture flap door
KR20180134652A (en) * 2017-06-09 2018-12-19 방영식 Light weight mirror door for furniture
WO2022260220A1 (en) * 2021-06-11 2022-12-15 주식회사 인투시 Door opening/closing device and cabinet comprising same

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2017150794A1 (en) * 2016-03-03 2017-09-08 주식회사 우신씨앤티 Shock absorber having damping function for furniture flap door
KR20180134652A (en) * 2017-06-09 2018-12-19 방영식 Light weight mirror door for furniture
WO2022260220A1 (en) * 2021-06-11 2022-12-15 주식회사 인투시 Door opening/closing device and cabinet comprising same

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