CN111535702B - Door for opening and closing adjustment easy to construct and free of hinge - Google Patents
Door for opening and closing adjustment easy to construct and free of hinge Download PDFInfo
- Publication number
- CN111535702B CN111535702B CN201911274795.4A CN201911274795A CN111535702B CN 111535702 B CN111535702 B CN 111535702B CN 201911274795 A CN201911274795 A CN 201911274795A CN 111535702 B CN111535702 B CN 111535702B
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- Prior art keywords
- door
- hinge
- fixing part
- insertion groove
- horizontal
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- 238000009434 installation Methods 0.000 claims abstract description 7
- 238000003780 insertion Methods 0.000 claims description 45
- 230000037431 insertion Effects 0.000 claims description 45
- 238000007789 sealing Methods 0.000 claims description 2
- 238000000034 method Methods 0.000 claims 1
- 238000010276 construction Methods 0.000 abstract description 3
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 230000014509 gene expression Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
Images
Classifications
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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
- 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
- E06B3/34—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 with only one kind of movement
- E06B3/36—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 with only one kind of movement with a single vertical axis of rotation at one side of the opening, or swinging through the opening
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- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05D—HINGES OR SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS
- E05D7/00—Hinges or pivots of special construction
- E05D7/10—Hinges or pivots of special construction to allow easy separation or connection of the parts at the hinge axis
- E05D7/1061—Hinges or pivots of special construction to allow easy separation or connection of the parts at the hinge axis in a radial direction
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05D—HINGES OR SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS
- E05D11/00—Additional features or accessories of hinges
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05D—HINGES OR SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS
- E05D7/00—Hinges or pivots of special construction
- E05D7/08—Hinges or pivots of special construction for use in suspensions comprising two spigots placed at opposite edges of the wing, especially at the top and the bottom, e.g. trunnions
- E05D7/081—Hinges or pivots of special construction for use in suspensions comprising two spigots placed at opposite edges of the wing, especially at the top and the bottom, e.g. trunnions the pivot axis of the wing being situated near one edge of the wing, especially at the top and bottom, e.g. trunnions
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- 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
- E05F3/00—Closers or openers with braking devices, e.g. checks; Construction of pneumatic or liquid braking devices
- E05F3/04—Closers or openers with braking devices, e.g. checks; Construction of pneumatic or liquid braking devices with liquid piston brakes
-
- 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
- E05F3/00—Closers or openers with braking devices, e.g. checks; Construction of pneumatic or liquid braking devices
- E05F3/20—Closers or openers with braking devices, e.g. checks; Construction of pneumatic or liquid braking devices in hinges
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05Y—INDEXING SCHEME RELATING TO HINGES OR OTHER SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS AND DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION, CHECKS FOR WINGS AND WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
- E05Y2600/00—Mounting or coupling arrangements for elements provided for in this subclass
- E05Y2600/50—Mounting methods; Positioning
- E05Y2600/51—Screwing or bolting
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05Y—INDEXING SCHEME RELATING TO HINGES OR OTHER SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS AND DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION, CHECKS FOR WINGS AND WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
- E05Y2900/00—Application of doors, windows, wings or fittings thereof
- E05Y2900/10—Application of doors, windows, wings or fittings thereof for buildings or parts thereof
- E05Y2900/13—Application of doors, windows, wings or fittings thereof for buildings or parts thereof characterised by the type of wing
- E05Y2900/132—Doors
Abstract
The present invention relates to an easy-to-construct opening/closing adjustment door that does not require a hinge, and more particularly to an easy-to-construct opening/closing adjustment door that does not require a hinge, the door including: in order to facilitate the installation of the hydraulic hinge, a first fixing part and a second fixing part fastened with each other on a door frame are further arranged, so that the installation and construction are easy, and the hydraulic hinge is easy to maintain and repair.
Description
Technical Field
The present invention relates to a door for opening and closing adjustment, which is provided with a hydraulic hinge to open and close an adjustment door without a hinge, easily fixes a hinge shaft of the hydraulic hinge, and is easy to construct.
Background
Doors are used for allowing users to enter and exit a building, and recently, automatic hinges, hydraulic hinges, and the like are used, which can automatically close a door even though the user does not close the door after the user opens the door to enter and exit.
This hydraulic hinge includes: the fixed rod is fixed on the wall body; a rotating rod forming an insertion groove for inserting the door; the fixed bracket is fixed on the fixed rod; and a hinge portion which is provided to the fixed bracket so as to be rotatable back and forth and is assembled by being inserted into the rotating lever so as not to rotate. In this case, a through hole is formed in the fixing bracket, and a screw hole fastened to a bolt penetrating the through hole is formed in the fixing rod.
According to the hydraulic hinge door assembly, after the door is rotated to enter and exit, the door can be returned to the initial position even if a user does not perform an additional motion, thereby having a structure convenient for use.
However, the door assembly having the conventional hydraulic hinge has problems in that a portion of the hydraulic hinge fastened and fixed to the door frame is frequently damaged, and in repairing, the coupling structure of the fastened portion is complicated, and the disassembling work is long.
Documents of the prior art
Patent document
Patent document 1: korean granted patent publication No. 10-1259741 (granted 24/04/2013).
Disclosure of Invention
The present invention has been made to solve the above-described problems, and an object of the present invention is to provide an opening/closing adjustment door that is easy to construct and does not require a hinge: the hydraulic hinge is provided in the door, so that the door can be automatically returned and closed by the hydraulic hinge even though a user does not perform an additional operation after the door is opened, thereby enabling the door to be operated without the hinge, and the first fixing part and the second fixing part for fixing the hinge shaft are provided, so that the hydraulic hinge can be easily and easily mounted and fastened to the door frame, and the disassembly and assembly of the door frame can be easily performed.
Other objects and advantages of the present invention will be described in, and will be understood by, the following detailed description of the embodiments of the invention. Also, the objects and advantages of the invention may be realized by means of the elements and combinations shown in the claims.
The present invention is a solution for solving the above-described problems, and is characterized by comprising: a door frame 10 forming a frame of the door D, and having a setting step 13 formed on an inner circumferential surface thereof with a height difference; a first fixing part 20 fixedly fastened to the installation step 13 of the upper end corner of the door frame 10 in a right angle form formed by a horizontal bar 21 and a vertical bar 22, and a first insertion groove 23 is formed along the length direction of the horizontal bar 21 which is horizontal to the ground; a hydraulic hinge 30 having a portion of the uppermost hinge shaft 31 inserted into the first insertion groove 23 to be rotatably erected on the door frame 10, and rotated when being moved in and out, and a hydraulic cylinder provided therein to automatically return to the original position and close after the door D is opened, thereby rotating the door D without a hinge; a door vertical rod 40 having an insertion hole 41 formed along a vertical direction so that the hydraulic hinge 30 is inserted in a longitudinal direction, and one side of which is connected to a door D; and a second fixing part 50 having a second insertion groove 51 formed on one surface thereof to correspond to the first insertion groove 23, fastened to one side of the horizontal bar 21 to be positioned on the same horizontal line as the horizontal bar 21, and sealed and positioned at the remaining portion of the hinge shaft 31 which is not inserted into the first insertion groove 23.
As described above, the present invention has the effect of facilitating and facilitating the construction of the door.
The present invention also has the effect of opening and closing the door without a conventional hinge and automatically closing the door after the door is opened and closed.
In addition, the invention has the advantages of simple structure and easy manufacture.
Drawings
Fig. 1 and 2 are views showing an embodiment of the present invention before and after fastening of an opening/closing adjustment door, which is easy to construct and does not require a hinge.
Fig. 3 is a diagram illustrating an embodiment of the first fixing portion and the second fixing portion of the present invention.
Fig. 4 is a view showing an embodiment of fastening of the hydraulic hinge of the present invention.
Fig. 5 is a view illustrating an embodiment of the first fixing portion and the second fixing portion of the present invention connected to a hydraulic hinge.
Detailed Description
Before explaining the embodiments of the present invention in detail, it is to be understood that the invention is not limited in its application to the details of construction and the arrangement of the components set forth in the following description or illustrated in the drawings. The invention is capable of other embodiments or of being practiced or carried out in various ways. Furthermore, expressions and terms used in the present application in relation to terms such as "front", "back", "up", "down", "left", "right", "side" and the like are only used to simplify the description of the present invention, and do not indicate that the relevant device or element should have a specific orientation. Also, the terms "first", "second", and the like are used only for explaining the scope of protection of the present application or invention, and do not indicate relative importance or gist.
The present invention has the following features to achieve the above object.
Preferred embodiments of the present invention are described in detail below with reference to the accompanying drawings. Before this, terms or words used in the specification and the claimed invention should not be construed as limited to conventional or dictionary meanings, but interpreted as meanings and concepts conforming to the technical idea of the present invention on the basis of the principle that the inventor can appropriately define the concept of the terms to describe his invention in the best way.
Therefore, the embodiments described in the present specification and the configurations shown in the drawings are only the most preferable embodiments of the present invention and do not represent all the technical ideas of the present invention, and therefore, it should be understood that various equivalent technical means and modifications that can replace these are included in the scope of the present application.
An embodiment of the present invention is described below.
The present invention is characterized by comprising: a door frame 10 forming a frame of the door D, and having a setting step 13 formed on an inner circumferential surface thereof with a height difference; a first fixing part 20 fixedly fastened to the installation step 13 of the upper end corner of the door frame 10 in a right angle form formed by a horizontal bar 21 and a vertical bar 22, and a first insertion groove 23 is formed along the length direction of the horizontal bar 21 which is horizontal to the ground; a hydraulic hinge 30 having a portion of the uppermost hinge shaft 31 inserted into the first insertion groove 23 to be rotatably erected on the door frame 10, and rotated when being moved in and out, and a hydraulic cylinder provided therein to automatically return to the original position and close after the door D is opened, thereby rotating the door D without a hinge; a door vertical rod 40 having an insertion hole 41 formed along a vertical direction so that the hydraulic hinge 30 is inserted in a longitudinal direction, and one side of which is connected to a door D; and a second fixing part 50 having a second insertion groove 51 formed on one surface thereof to correspond to the first insertion groove 23, fastened to one side of the horizontal bar 21 to be positioned on the same horizontal line as the horizontal bar 21, and sealed and positioned at the remaining portion of the hinge shaft 31 which is not inserted into the first insertion groove 23.
In the present invention, the first and second fixing parts 20 and 50 are respectively provided with first fastening holes 24 and second fastening holes 52, which are horizontally formed along the longitudinal direction on both sides of the first insertion groove 23 and the second insertion groove 51, respectively, and the first and second fixing parts 20 and 50 are connected and fixed to each other by fixing means B, which are continuously fastened to the first and second fastening holes 24 and 52.
In the present invention, the first fixing portion 20 and the second fixing portion 50 are formed with a protrusion 60 protruding toward the second fixing portion 50 on both sides of the first insertion groove 23, and a recess 62 corresponding to the protrusion 60 and into which the protrusion 60 is inserted is formed on both sides of the second insertion groove 51, so that the first fixing portion 20 and the second fixing portion 50 are connected and fixed to each other in a horizontal direction.
Hereinafter, an opening/closing adjusting door according to a preferred embodiment of the present invention, which is easy to construct and does not require a hinge, will be described in detail with reference to fig. 1 to 5.
The door for opening and closing adjustment, which is easy to construct and does not need a hinge, comprises a door frame 10, a first fixing part 20, a hydraulic hinge 30, a door vertical rod 40 and a second fixing part 50.
The door frame 10 is a frame-shaped frame that is initially installed in a portion where the door D is installed in a building, and the present invention has been described with reference to a door frame 10 having a substantially square shape.
A step 13 is formed on one surface of the door frame 10 so as to have a height difference on the inner circumferential surface of the front or rear surface of the door frame 10, and a device to be described later for opening and closing the door D by rotating the door D is provided on the step 13.
The first fixing portion 20 is provided to be rotatable together with a second fixing portion 50 described below for the hydraulic hinge 30 for rotating the door D.
The first fixing portion 20 is formed of a horizontal bar 21 which is horizontal to the ground and is connected to the upper horizontal frame 11 of the door frame 10, and a vertical bar 22 which is vertical to the ground and is connected to the one vertical frame 12 of the door frame 10, and has a right-angled form of a reversed L-shape or a reversed L-shape.
Accordingly, the first fixing portion 20 is fixedly fastened to the installation step 13 of the one upper end corner of the door frame 10 in a right angle form formed by the horizontal bar 21 and the vertical bar 22, and according to an embodiment of a user, a plurality of coupling holes (not shown) are formed in advance in the horizontal bar 21 and the vertical bar 22, and the door frame 10 can be fixed by fixing means (for example, bolts, nuts, etc.).
In the first fixing portion 20, a horizontal rod 21 provided on the installation step 13 of the upper horizontal frame 11 and horizontal to the ground is recessed in the longitudinal direction and the horizontal direction to form a first insertion groove 23. Such a first insertion groove 23 functions as a groove for fixing the hinge shaft 31 of the hydraulic hinge 30 together with a second insertion groove 51 of a second fixing portion 50 described below.
The hydraulic hinge 30 is a device in which the uppermost hinge shaft 31 is rotatably inserted into the first insertion groove 23, is rotatably installed upright on the door frame 10, is rotated when being moved in and out, and has a function of automatically returning to the original position and closing after the door D is opened by providing a hydraulic cylinder therein, so that the door D can be rotated without a hinge.
Of course, the hydraulic hinge 30 is used by being inserted into a vertical door rod 40 along a longitudinal direction, and the vertical door rod 40 is formed with an insertion hole 41 along the vertical direction, into which the hydraulic hinge 30 is inserted along the longitudinal direction, and has a structure in which a part of the hinge shaft 31 connected to the internal hydraulic cylinder is protruded at the uppermost end and a rotation shaft not rotating on its axis is protruded at the lower end, and is connected to a lower horizontal frame of the door frame 10.
Such a hydraulic hinge 30 is described in the above-mentioned "background art" section, and such a hydraulic hinge 30 is a known art, and a detailed description of the internal structure and operation will be omitted.
As described above, the door vertical rod 40 is formed with the insertion hole 41 along the vertical direction, into which the hydraulic hinge 30 is inserted along the longitudinal direction, and one side is connected to the door D.
The second fixing part 50 has a second insertion groove 51 formed on one surface thereof to correspond to the first insertion groove 23, is fastened to one side of the horizontal bar 21 to be positioned on the same horizontal line as the horizontal bar 21, and is positioned by sealing the remaining portion of the hinge shaft 31 which is not inserted into the first insertion groove 23. Accordingly, the hinge shaft 31 of the hydraulic hinge 30 is positioned and positioned in the first and second insertion grooves 23 and 51 when the door D is opened and closed.
Meanwhile, in the case of the first and second fixing parts 20 and 50, the first fixing part 20 is horizontally formed with first fastening holes 24 along the length direction at both sides of the first insertion groove 23, the second fixing part 50 is horizontally formed with second fastening holes 52 along the length direction at both sides of the second insertion groove 51, and the first and second fixing parts 20 and 50 are coupled and fixed to each other by fixing units B (bolts, etc.) continuously fastened to the first and second fastening holes 24 and 52. Of course, since the hinge shaft 31 has a square cross section, the groove shape formed by the first insertion groove 23 and the second insertion groove 51 inserted corresponding to the hinge shaft 31 also has a rectangular shape.
Further, according to various embodiments of a user, in the first fixing part 20 and the second fixing part 50, in the case of the first fixing part 20, protruding parts 60 protruding toward the second fixing part 50 are formed on both sides of the first insertion groove 23, and in the case of the second fixing part 50, recessed parts 62 corresponding to the protruding parts 60 and into which the protruding parts 60 are inserted are formed on both sides of the second insertion groove 51, so that the first fixing part 20 and the second fixing part 50 are connected and fixed to each other in a horizontal direction. Of course, such a structure is used together with the first and second fastening holes 24 and 52 to further reinforce the mutual fixation between the first and second fixing parts 20 and 50.
As described above, although the present invention has been described with reference to the embodiments and the drawings, the present invention is not limited thereto, and those skilled in the art to which the present invention pertains can make various modifications and changes within the scope equivalent to the technical idea of the present invention and the scope of the claims.
Claims (1)
1. A door for opening and closing adjustment which is easy to construct and does not require a hinge,
the method comprises the following steps:
a door frame forming a frame of the door, and forming a setting step having a height difference on an inner circumferential surface of the frame;
a first fixing part fixedly fastened to the installation step of the upper end corner of the door frame in a right angle form formed by a horizontal rod and a vertical rod, and a first insertion groove is formed along the length direction of the horizontal rod which is horizontal to the ground;
a hydraulic hinge, a part of the hinge axis at the top is inserted into the first insertion groove to be vertically arranged on the door frame in a rotatable mode, and rotates when the hydraulic hinge enters and exits, and a hydraulic cylinder is arranged in the hydraulic hinge to have the function of automatically returning to the original position and closing after the door is opened, so that the door can rotate without a hinge;
a door vertical rod, which is provided with an insertion opening along the vertical direction for inserting the hydraulic hinge along the length direction, and one side of the door vertical rod is connected with the door; and
a second fixing part having a second insertion groove formed on one surface thereof corresponding to the first insertion groove, fastened to one side of the horizontal bar so as to be positioned on the same horizontal line as the horizontal bar, sealing and positioning the remaining portion of the hinge shaft which is not inserted into the first insertion groove,
first fastening holes are horizontally formed in both sides of the first insertion groove along the longitudinal direction in the first and second fixing portions, and second fastening holes are horizontally formed in both sides of the second insertion groove along the longitudinal direction,
the first and second insertion grooves inserted corresponding to the square section of the hinge shaft have rectangular shapes,
the first fixing part and the second fixing part are fixed to each other by a fixing unit continuously fastened to the first fastening hole and the second fastening hole,
or, in the first fixing part and the second fixing part, a protruding part protruding toward the second fixing part is formed at both sides of the first insertion groove, a recessed part corresponding to the protruding part and allowing the protruding part to be inserted is formed at both sides of the second insertion groove, so that the first fixing part and the second fixing part are connected and fixed with each other along the horizontal direction,
the first fixing part is fixedly fastened on the setting step of the upper end corner of the door frame in a right angle form formed by a horizontal rod and a vertical rod,
a part of the uppermost hinge shaft of the hydraulic hinge is inserted into the first insertion groove, is rotatably vertically arranged on the door frame and is combined with the door vertical rod,
the second fixing part seals the remaining portion of the hinge shaft of the hydraulic hinge and is combined with the first fixing part.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020190014369A KR102117294B1 (en) | 2019-02-07 | 2019-02-07 | Opening and closing control door that is easy to install and does not need hinge |
| KR10-2019-0014369 | 2019-02-07 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111535702A CN111535702A (en) | 2020-08-14 |
| CN111535702B true CN111535702B (en) | 2021-09-17 |
Family
ID=71083246
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911274795.4A Active CN111535702B (en) | 2019-02-07 | 2019-12-12 | Door for opening and closing adjustment easy to construct and free of hinge |
Country Status (2)
| Country | Link |
|---|---|
| KR (1) | KR102117294B1 (en) |
| CN (1) | CN111535702B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR102400002B1 (en) | 2021-02-03 | 2022-05-20 | 주식회사 국영지앤엠 | Automatic closing door module and shower booth with the same |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2422017A1 (en) * | 1977-04-26 | 1979-11-02 | Gendre Roger | Drive system for up=and=over garage door - uses power cylinder for initiation only, with door movement continuing under gravity |
| JP2004076426A (en) * | 2002-08-20 | 2004-03-11 | Howa Mach Ltd | Door device with hinge lifting and lowering door |
| CN101532359A (en) * | 2008-12-31 | 2009-09-16 | 林德禹 | Multifunctional gating hinge |
| CN106837042A (en) * | 2017-02-28 | 2017-06-13 | 吴岩林 | A kind of hydraulic buffering hinge |
| CN206592040U (en) * | 2017-03-20 | 2017-10-27 | 遵义医学院附属医院 | A kind of operation door with soundproof effect |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3221832B2 (en) * | 1996-02-13 | 2001-10-22 | 日東工器株式会社 | Sliding pivot |
| KR100838189B1 (en) * | 2007-09-17 | 2008-06-16 | 오세진 | Non-inclusive byclraulic hinge for door |
| KR101259741B1 (en) | 2013-01-30 | 2013-04-30 | 주식회사 그라스텍 | Oil pressure hinge door structure |
| KR101774469B1 (en) * | 2016-06-16 | 2017-09-04 | 이철우 | a door hinge |
-
2019
- 2019-02-07 KR KR1020190014369A patent/KR102117294B1/en active IP Right Grant
- 2019-12-12 CN CN201911274795.4A patent/CN111535702B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2422017A1 (en) * | 1977-04-26 | 1979-11-02 | Gendre Roger | Drive system for up=and=over garage door - uses power cylinder for initiation only, with door movement continuing under gravity |
| JP2004076426A (en) * | 2002-08-20 | 2004-03-11 | Howa Mach Ltd | Door device with hinge lifting and lowering door |
| CN101532359A (en) * | 2008-12-31 | 2009-09-16 | 林德禹 | Multifunctional gating hinge |
| CN106837042A (en) * | 2017-02-28 | 2017-06-13 | 吴岩林 | A kind of hydraulic buffering hinge |
| CN206592040U (en) * | 2017-03-20 | 2017-10-27 | 遵义医学院附属医院 | A kind of operation door with soundproof effect |
Also Published As
| Publication number | Publication date |
|---|---|
| CN111535702A (en) | 2020-08-14 |
| KR102117294B1 (en) | 2020-06-01 |
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Effective date of registration: 20231207 Address after: Taojiawan Group 1, Zhangwan Community, Xiangzhou District, Xiangyang City, Hubei Province Patentee after: Hubei Gupai Metal Products Co.,Ltd. Address before: No. 304, floor 18, 3, Xingjing 11 road, Northwest District, Tian'an City, Chung Ching South Road, South Korea Patentee before: Li Dacheng |