KR20170028541A - Security door for door - Google Patents

Security door for door Download PDF

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Publication number
KR20170028541A
KR20170028541A KR1020150125261A KR20150125261A KR20170028541A KR 20170028541 A KR20170028541 A KR 20170028541A KR 1020150125261 A KR1020150125261 A KR 1020150125261A KR 20150125261 A KR20150125261 A KR 20150125261A KR 20170028541 A KR20170028541 A KR 20170028541A
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KR
South Korea
Prior art keywords
door
rod
upper frame
frame
security
Prior art date
Application number
KR1020150125261A
Other languages
Korean (ko)
Other versions
KR101778077B1 (en
Inventor
이기완
Original Assignee
해피창 주식회사
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 해피창 주식회사 filed Critical 해피창 주식회사
Priority to KR1020150125261A priority Critical patent/KR101778077B1/en
Publication of KR20170028541A publication Critical patent/KR20170028541A/en
Application granted granted Critical
Publication of KR101778077B1 publication Critical patent/KR101778077B1/en

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    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B5/00—Doors, windows, or like closures for special purposes; Border constructions therefor
    • E06B5/10—Doors, windows, or like closures for special purposes; Border constructions therefor for protection against air-raid or other war-like action; for other protective purposes
    • E06B5/11—Doors, windows, or like closures for special purposes; Border constructions therefor for protection against air-raid or other war-like action; for other protective purposes against burglary
    • 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
    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B3/00—Window sashes, door leaves, or like elements for closing wall or like openings; Layout of fixed or moving closures, e.g. windows in wall or like openings; Features of rigidly-mounted outer frames relating to the mounting of wing frames
    • E06B3/32—Arrangements of wings characterised by the manner of movement; Arrangements of movable wings in openings; Features of wings or frames relating solely to the manner of movement of the wing
    • E06B3/48—Wings connected at their edges, e.g. foldable wings
    • E06B3/481—Wings foldable in a zig-zag manner or bi-fold wings
    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B9/00—Screening or protective devices for wall or similar openings, with or without operating or securing mechanisms; Closures of similar construction
    • E06B9/02—Shutters, movable grilles, or other safety closing devices, e.g. against burglary
    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B9/00—Screening or protective devices for wall or similar openings, with or without operating or securing mechanisms; Closures of similar construction
    • E06B9/52—Devices affording protection against insects, e.g. fly screens; Mesh windows for other purposes

Abstract

The present invention relates to an entrance door of a building. More specifically, the present invention relates to a security door, easily installed in the entrance door. The present invention relates to the security door for an entrance door, wherein a mesh-type insect-proof net is provided to a side surface to block introduction of insects and has an additional locking device to be used as the security door. Moreover, the security door for an entrance door can prevent the door from being opened by wind introduced from the outside.

Description

Security door for door

The present invention relates to a security door that can be easily installed on a doorway of a building, preferably on a front door, and is provided with a mesh-shaped insect-proofing net on its side to prevent infiltration of insects and prevent intrusion of a thief, And a locking device for locking the door in the room so as to be able to prevent the door from being opened by the wind or the like flowing from the outside when the door is not locked.

Generally, the insect screen blocks insects such as mosquitoes and flies from flying into the room during the summer, and these insect screens are fixedly installed mainly on the windows of buildings.

The conventional insect screens are structured so that most of them can not be opened and closed and can be structurally installed only on the windows. Therefore, there is a problem in that the doors can not be applied to the structures that can be installed in and out of buildings.

Therefore, there is a problem that the door screen insect door which can be properly installed at the entrance door is not presented so far, and it was difficult to close the door without opening the door even if the weather was particularly hot during the summer. Meanwhile, in order to solve such a problem, there has been proposed a door screen insect net having various structures so as to be installed at a door of a building in recent years. However, the conventional door screen insect screen has a problem that it is structurally difficult to install and occupies a lot of installation space And the conventional screen insecting net for a door has a problem in that it can not be structurally opened and closed easily because it is folded or folded.

In particular, the conventional door screen insect screens can prevent the insects such as flies and mosquitoes from entering the room because of the improved ventilation, but the function of the security window for structurally blocking external intruders is lacking, There was no safety problem.

In addition, although a pair of vertical wheel structures sliding along the guide rails for smooth opening and closing operations of doors and windows in the door or the front door are used in the screen inspecting system installed in the conventional door, the smooth outer peripheral surface of the vertical wheel supporting structure itself is rubbed, There is a problem that the vertical wheel support structure is damaged when the operation is not performed smoothly or in case of severe operation, and the conventional insect net for the door is opened by the wind pressure due to the wind pressure blowing from the outside.

Accordingly, it is possible to provide an economical effect by being able to withstand the wind pressure externally secured due to the structural stability, improve the durability, and to lock the door indoors so that it can be universally used as an insect screen and a security door It is necessary to develop a security door for a door having a locking device.

1. Open Patent Application No. 10-2011-0106153 'Folding Screening Screen for a Door' (Published on September 28, 2011) 2. Registered patent publication No. 10-0746016 'Folding doorway for insect crime prevention' (registered on July 30, 2007) 3. Registered Utility Model Bulletin No. 20-0417235 'Combination Insecticide Combustion Door' (Registered on May 5, 2006)

Disclosure of Invention Technical Problem [8] Accordingly, the present invention has been made keeping in mind the above problems occurring in the prior art, and an object of the present invention is to provide an insect- Which is provided with a separate locking member for controlling the opening and closing of the door in order to prevent intrusion of the door.

The present invention also provides a security door for a door provided with fixing means for temporarily fixing the door to prevent the door from being opened by the wind pressure blowing from the outside when the locking member opens the door.

The security door for a door of the present invention includes an upper frame 110 extending in a horizontal direction, a lower frame 120 spaced downward from the upper frame 110, And a side frame (130) connecting the front side and the rear side; A first door 210 having one side rotatably fixed to the upper frame 110 and the lower frame 120 to open and close the opening A and a second door 210 fixed to the upper frame 110 to open and close the opening A. [ And a second door (220) slidably coupled to the lower frame (120) and folded with the first door (210). And a first door 220 installed on the second door 220 to secure the second door 220 to the upper frame 110 in order to prevent the security door 200 from being arbitrarily opened by wind pressure, Fixing means 300; The door 100 is installed at the upper end of the first door 210 or the second door 220 so as to press the upper frame 110 upward to fix the security door 200 to the door 100, Second locking means 400 detached from the upper frame 110 to open the security door 200 when the security door 200 is pressed; And a locking member 500 including a lock bar 510 inserted into the upper frame 110 by a user's operation to fix the security door 200 to the door frame 200 in the room.

The upper frame 110 is provided with an upper rail groove 111 for guiding movement of the second door 220 along the longitudinal direction of the upper frame 110, (300) includes a first housing (310) installed at an upper edge of the second door (220) and having a first insertion hole (311) formed in a vertical direction; And is guided by the upper rail groove 111 so as to be guided by the upper rail groove 111 in accordance with opening and closing of the second door 220, 1 load 320; A first fixing bracket 330 mounted on an upper end of the upper frame 110 and having a top end of the first rod 320 when the security door 200 closes the opening A; Respectively,

The first fixing bracket 330 protrudes in the same direction as the extending direction of the upper frame 110 and is formed with an engagement ring 331 having a predetermined elasticity and being inclined in the direction opposite to each other, The first rod 321 is inserted into the coupling ring 331 at the upper end of the first rod 320.

The second fixing means 400 is installed at the upper end of the first door 210 or the second door 220 and includes a second insertion hole 411 penetrating in the vertical direction, A second housing 410 including a seating jaw 412 protruding from an inner surface of the first housing 410; A second rod 420 inserted into the second insertion hole 411 and having a supporting protrusion 421 protruding from the side surface in an outward direction; The upper end of the second rod 420 is positioned between the supporting jaw 421 and the seating jaw 412 so as to press the upper frame 110 to prevent the security door 200 from being opened arbitrarily An elastic member 430 elastically supporting the second rod 420; And a fixing ring (440) fitted to the lower end of the second rod (420) to prevent the second rod (420) from coming off,

The stationary ring 440 includes an insertion ring 441 having a ring shape that is vertically penetrated to be inserted into the second rod 420; The insertion ring 441 is provided with a plurality of teeth spaced apart from each other by a predetermined distance along the inner edge of the insertion ring 441 and is inclined at a predetermined angle in the downward direction and has an end contact with a side surface of the second rod 420, And a support protrusion 442 for supporting the insertion ring 441 so as to prevent the insertion ring 441 from sliding in the direction indicated by the arrow.

The present invention is structured such that it has a function of an insect control network installed at a door of a building to block inflow of pests, and a lock member operated by a user to select opening and closing of a door in the room, When the door is not locked by the first fixing means and the second fixing means, the door can not be opened or closed due to external wind pressure or other external factors. There is an advantage that the concern of privacy invasion can be solved.

In addition, the present invention can prevent children's hands from being caught in door openings, and can be mounted on various types of doors without limitation. In addition, durability can be improved to significantly reduce the occurrence of residuals, So that it is possible to provide the user with an economical effect that the maintenance cost can be reduced.

1 is a perspective view showing an overall view of a security door for a door of the present invention;
BACKGROUND OF THE INVENTION Field of the Invention [0001]
3 is an exploded perspective view showing the main structure of the first fixing means of the present invention.
4 is a partial perspective view showing the use state of the first fixing means of the present invention.
5 is a partial plan view showing an operating state of the first fixing means of the present invention.
6 is an exploded perspective view showing a main configuration of a second fixing means of the present invention;
7 is a sectional view showing an operating state of the second locking means of the present invention.
8 is a perspective view showing the connection relationship between the lower frame and the guide rod of the present invention.

Hereinafter, an embodiment of the present invention will be described in detail with reference to the drawings.

FIG. 1 is a perspective view showing the overall structure of a security door for a door of the present invention, FIG. 2 is a perspective view showing a state in which a security door of the present invention is opened and a main structure of an upper frame, Fig. 5 is a partial plan view showing the operating state of the first fixing means of the present invention, Fig. 6 is a partial perspective view showing the state of use of the first fixing means of the present invention, Fig. FIG. 7 is a cross-sectional view showing an operating state of the second locking means of the present invention, and FIG. 8 is a perspective view showing a connection relationship between the lower frame and the guide rod of the present invention.

Referring to FIG. 1, the door for a door according to the present invention includes a door frame 100 installed along an edge of an opening A of a building. The door frame 100 includes an upper frame 110 extending in the horizontal direction, a lower frame 120 spaced apart from the upper frame 110 by a predetermined distance and extending to the same length as the upper frame 110, And a plurality of side frames 130 supporting the upper frame 110 and the lower frame 120 such that the upper frame 110 and the lower frame 120 are connected to each other.

1 and 2, a security door 200 is installed in the door frame 100 so as to be rotatable on the door frame 100 in order to open and close the door portion A of the door frame 100. The security door 200 includes a first door 210 and a second door 220. One end of the first door 210 is fixed to the upper frame 110 to be rotatable and the lower end of the first door 210 is fixed to the lower frame 120 so as to be rotatable. The second door 220 is coupled to the first door 210 by a separate hinge or the like so as to be folded while being rotated while the first door 210 and the second door 220 are folded together to open the opening A, The upper end of the upper frame 110 and the lower end of the lower end of the lower frame 120 are slid to open and close the opening A, respectively.

On the other hand, the security door 200 may be provided with a mesh-shaped insect control net 230 for blocking inflow of insects.

Referring to FIGS. 3 and 4, first fixing means 300 for temporarily fixing the second door 220 to the upper frame 110 is formed. The first fixing means 300 is configured to allow the security door 200 to open the opening A arbitrarily (when the opening portion is opened by wind pressure or the own weight of the security door) due to wind pressure or light touch, The second door 220 is fixed to the door frame 100 to prevent the second door 220 from being damaged. That is, when the user pushes the security door 200 with a pressing force equal to or greater than a fixing force for temporarily fixing the second door 220 so that the second door 220 is not arbitrarily opened, the security door 200 is opened It can be done.

2 to 4, an upper rail groove 111 is formed in the upper frame 110 to guide the movement of the second door 220 along the longitudinal direction of the upper frame 110.

3, the first fixing unit 300 includes a first housing 310, a first rod 320 and a first fixing bracket 330. The first housing 310 includes a second door 220 Of the upper side of the side frame 130. The first housing 310 is formed with a first insertion hole 311 passing through in the vertical direction.

One end of the first rod 320 is inserted into the first insertion hole 311 so as to be rotatable and the other end of the first rod 320 is inserted into the upper rail groove 111 of the upper frame 110, And guided and slidably moved in the rail groove 111. Accordingly, when the security door 200 is opened, the first door 210 and the second door 220 can be folded together.

The first fixing bracket 330 is located at a position opposite to the first housing 310 installed on the second door 220 when the upper end of the upper frame 110, that is, the security door 200 closes the opening A, As shown in FIG. At this time, when the security door 200 closes the opening A, the upper end of the first rod 320 is constrained to the first fixing bracket 330, thereby preventing the security door 200 from being opened arbitrarily.

3 and 5, the first fixing bracket 330 is formed with a coupling ring 331 protruding in a direction opposite to a direction in which the first rod 320 is inserted. The coupling rings 331 are made of a plurality of facing each other. At this time, the plurality of coupling rings 331 are formed so as to be inclined at a predetermined angle toward the inside direction of the first fixing bracket 330 facing each other, so that the portion extending from the first fixing bracket 330 has a certain elastic force . Therefore, when the first rod 320 is inserted into the coupling ring 331, the first rod 320 can be temporarily fixed by the elastic force of the coupling ring 331.

A first head 321 is provided at an upper end of the first rod 320. When the first head 321 is inserted into the coupling ring 331, the coupling ring 331 is resilient and has a constant inclination, so that the first coupling ring 231 can be pressed from both sides. 5 (b) and 5 (c), when the security door 200 is pushed by the coupling ring 331 beyond the pressing force pressing the first rod 320, the second door 220 is slid The first head 321 of the first rod 320 is disengaged from the engagement ring 231.

2 and 6, a second fixing means 400 for temporarily fixing the security door 200 to the door 100 is formed at the upper ends of the first door 210 or the second door 220 . The second fixing means 400 may press the upper frame 110 upward to fix the first door 210 or the second door 220. At this time, when the second fixing means 400 presses the security door 200 with a force larger than the pressing force for pressing the upper frame 110, the second fixing means 400 is detached from the upper frame 110, 200 are opened.

6 and 7, the second fastening means 400 includes a second housing 410, a second rod 420, an elastic member 430, and a fastening ring 440.

The second housing 410 is installed on the upper end of the first door 210 or the second door 220 and includes a second insertion hole 411 passing through the second housing 410 in the vertical direction, And a mounting jaw 412 protruding from the inner side of the hole 411 inward of the second insertion hole 411.

The second rod 420 is inserted into the second insertion hole 411 so as to be movable in the vertical direction and the support rod 421 protrudes outwardly from the side surface of the second rod 420.

The elastic member 430 is provided between the support jaw 421 and the seating jaw 412 so that the elastic member 430 can be elastically deformed by the elastic force of the second rod 420 420 are elastically supported. The elastic member 430 elastically supports the second rod 420 so that the upper end of the second rod 420 presses the upper frame 110 to prevent the security door 200 from being opened arbitrarily.

The fixing ring 440 is fitted to the lower end of the second rod 420 to prevent the second rod 420 from being displaced upward due to the elastic force of the elastic member 430. At this time, the distance by which the upper end of the second rod 420 protrudes can be adjusted according to the distance that the fixing ring 440 is inserted and inserted into the second rod 420, 2 load 420 can be adjusted.

6 and 7, the stationary ring 440 includes an insertion ring 441 having a ring shape that is vertically opened to be inserted into the lower end of the second rod 420, And a plurality of support protrusions 442 spaced apart along the edge. The support protrusion 442 is inclined at a predetermined angle downward from the inner edge of the insertion ring 441. When the insertion protrusion 442 is inserted into the second rod 420, the tip comes into contact with the side surface of the second rod 420, 441 are prevented from sliding downward.

That is, when the security door 200 is opened and closed, the second rod 420 can be gradually moved upward by the elastic force of the elastic member 430. At this time, since the support protrusion 442 of the retaining ring 440 supports the second rod 420, the insertion ring 441 slides downward to prevent the upward protrusion of the second rod 420 There is a possible effect.

Referring to FIGS. 1 and 2, a security door 500 is provided in the security door 200 to firmly fix the security door 200 to the door frame 200 to prevent an intruder from entering and exiting the security door 200, The door 500 includes a lock bar 510 inserted into the upper frame 110 and fixing the security door 200 to the door frame 200. In addition, it is preferable that the lock member 500 is installed in the room direction so that the user controls the opening and closing of the security door 200 in the room.

Referring to FIG. 8, a guide rod 600 for supporting the security door 200 is provided at the lower end of the second door 220. The guide rod 600 is seated on the lower frame 120 according to the opening and closing of the security door 200 and supports the lower end of the second door 220 while sliding.

A lower rail groove 121 for guiding a moving path of the guide rod 600 is formed in the lower frame 120. The lower rail groove 121 has a bottom surface and a guide rod 600 A sliding rail 700 is provided. When the lower end of the guide rod 600 is seated on the upper surface of the sliding rail 700, the frictional force between the guide rod 600 and the lower frame 120 due to the movement of the second door 220 when the security door 200 is opened and closed So that the security door 200 can be opened and closed smoothly.

A tape bearing 710 is provided between the lower end of the guide rod 600 and the sliding rail 700 to further reduce the friction coefficient. The tape bearing 710 is preferably made of a material in which a filler is blended with Teflon.

The insect screening net according to the present invention can be installed at a door of a building to block inflow of insects, prevent intrusion of outside persons and ensure stability. The first and second locking means 300, There is an advantage that it is possible to solve the problem of invasion of privacy because it is not opened and closed by wind pressure due to external force.

100: door frame 110: upper frame
120: lower frame 130: side frame
200: Security door 210: 1st door
220: second door 300: first fixing means
310: first housing 311: first insertion hole
320: first rod 321: first head
330: first fixing bracket 331: engagement ring
400: second fixing means 410: second housing
411: second insertion hole 412:
420: second rod 430: elastic member
440: Retaining ring 441: Insert ring
442: support protrusion 500: locking member
510: lock rod 600: guide rod
700: sliding rail A: opening

Claims (5)

A lower frame 120 spaced downward from the upper frame 110 and a side frame 130 connecting the upper frame 110 and the lower frame 120, (100) including an opening (A) having front and rear openings;
A first door 210 having one side rotatably fixed to the upper frame 110 and the lower frame 120 to open and close the opening A and a second door 210 fixed to the upper frame 110 to open and close the opening A. [ And a second door (220) slidably coupled to the lower frame (120) and folded with the first door (210). Respectively,
A first fixing means 300 installed on the second door 220 for fixing the second door 220 to the upper frame 110 to prevent the security door 200 from being opened arbitrarily by wind pressure, );
The door 100 is installed at the upper end of the first door 210 or the second door 220 so as to press the upper frame 110 upward to fix the security door 200 to the door 100, Second locking means 400 detached from the upper frame 110 to open the security door 200 when the security door 200 is pressed;
A lock member (500) including a lock bar (510) inserted into the upper frame (110) by a user's operation to fix the security door (200) to the door frame (200) in the room;
And a door for the door. The method according to claim 1,
The upper frame 110 is provided with an upper rail groove 111 for guiding the movement of the second door 220 along the longitudinal direction of the upper frame 110,
The first fixing means (300)
A first housing 310 installed at a top edge of the second door 220 and having a first insertion hole 311 formed in a vertical direction;
And is guided by the upper rail groove 111 so as to be guided by the upper rail groove 111 in accordance with opening and closing of the second door 220, 1 load 320;
A first fixing bracket 330 mounted on one upper end of the upper frame 110 and having the upper end of the first rod 320 forcibly inserted when the security door 200 closes the opening A;
And a door for the door. 3. The method of claim 2,
The first fixing bracket 330
A coupling ring 331 protruding in the same direction as the extending direction of the upper frame 110 and having a predetermined elasticity and being inclined in mutually facing directions is protruded,
And a first head (321) inserted into the coupling ring (331) is provided at an upper end of the first rod (320). The method according to claim 1,
The second fastening means (400)
A second insertion hole 411 which is provided at an upper end of the first door 210 or the second door 220 and penetrates the first door 210 or the second door 220 in a vertical direction, A second housing 410 including a second housing 412;
A second rod 420 inserted into the second insertion hole 411 and having a supporting protrusion 421 protruding from the side surface in an outward direction;
The upper end of the second rod 420 is located between the supporting jaw 421 and the seating jaw 412 and presses the upper frame 110 to prevent the security door 200 from being opened arbitrarily An elastic member 430 elastically supporting the second rod 420;
A retaining ring 440 fitted to the lower end of the second rod 420 to prevent the second rod 420 from being released;
And a door for the door. 5. The method of claim 4,
The stationary ring 440
An insertion ring 441 having a ring shape penetrating in a vertical direction to be inserted into the second rod 420;
The insertion ring 441 is provided with a plurality of teeth spaced apart from each other by a predetermined distance along the inner edge of the insertion ring 441 and is inclined at a predetermined angle in the downward direction and has an end contact with a side surface of the second rod 420, A support protrusion 442 for supporting the insertion ring 441 so as to prevent the insertion ring 441 from sliding in a direction;
And a door for the door.
KR1020150125261A 2015-09-04 2015-09-04 Security door for door KR101778077B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1020150125261A KR101778077B1 (en) 2015-09-04 2015-09-04 Security door for door

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1020150125261A KR101778077B1 (en) 2015-09-04 2015-09-04 Security door for door

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Publication Number Publication Date
KR20170028541A true KR20170028541A (en) 2017-03-14
KR101778077B1 KR101778077B1 (en) 2017-09-13

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20230018020A (en) * 2021-07-29 2023-02-07 홍지창 Folding door
KR20230018021A (en) * 2021-07-29 2023-02-07 홍지창 Folding door

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR200493379Y1 (en) * 2018-08-17 2021-03-19 김원상 Windows with anti-dust and insect protection

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR200417235Y1 (en) 2006-03-13 2006-05-24 김동규 insect and crime preventing door
KR100746016B1 (en) 2006-12-11 2007-08-03 최성완 Front internal foldable door for crime prevention and insect interception
KR20110106153A (en) 2010-03-22 2011-09-28 남이식 Folded screen for door

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004060320A (en) 2002-07-30 2004-02-26 Japan Uniflow Co Ltd Hinge structure and folding revolving door making use thereof
KR200332911Y1 (en) 2003-08-21 2003-11-10 정기웅 The folding door for toilet

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR200417235Y1 (en) 2006-03-13 2006-05-24 김동규 insect and crime preventing door
KR100746016B1 (en) 2006-12-11 2007-08-03 최성완 Front internal foldable door for crime prevention and insect interception
KR20110106153A (en) 2010-03-22 2011-09-28 남이식 Folded screen for door

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20230018020A (en) * 2021-07-29 2023-02-07 홍지창 Folding door
KR20230018021A (en) * 2021-07-29 2023-02-07 홍지창 Folding door

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