CN203729743U - Hinge capable of limiting opening angle of furniture door - Google Patents

Hinge capable of limiting opening angle of furniture door Download PDF

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Publication number
CN203729743U
CN203729743U CN201420081484.2U CN201420081484U CN203729743U CN 203729743 U CN203729743 U CN 203729743U CN 201420081484 U CN201420081484 U CN 201420081484U CN 203729743 U CN203729743 U CN 203729743U
Authority
CN
China
Prior art keywords
hinge
articulated jib
open angle
hinge cup
furniture door
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Lifetime
Application number
CN201420081484.2U
Other languages
Chinese (zh)
Inventor
伍志勇
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to CN201420081484.2U priority Critical patent/CN203729743U/en
Application granted granted Critical
Publication of CN203729743U publication Critical patent/CN203729743U/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • EFIXED CONSTRUCTIONS
    • E05LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05DHINGES OR SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS
    • E05D3/00Hinges with pins
    • E05D3/02Hinges with pins with one pin
    • EFIXED CONSTRUCTIONS
    • E05LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05DHINGES OR SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS
    • E05D7/00Hinges or pivots of special construction
    • E05D7/04Hinges adjustable relative to the wing or the frame
    • E05D7/0415Hinges adjustable relative to the wing or the frame with adjusting drive means
    • EFIXED CONSTRUCTIONS
    • E05LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05FDEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
    • E05F5/00Braking devices, e.g. checks; Stops; Buffers
    • E05F5/006Braking devices, e.g. checks; Stops; Buffers for hinges having a cup-shaped fixing part, e.g. for attachment to cabinets or furniture
    • EFIXED CONSTRUCTIONS
    • E05LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05YINDEXING 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
    • E05Y2201/00Constructional elements; Accessories therefor
    • E05Y2201/20Brakes; Disengaging means; Holders; Stops; Valves; Accessories therefor
    • E05Y2201/21Brakes
    • EFIXED CONSTRUCTIONS
    • E05LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05YINDEXING 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
    • E05Y2201/00Constructional elements; Accessories therefor
    • E05Y2201/20Brakes; Disengaging means; Holders; Stops; Valves; Accessories therefor
    • E05Y2201/214Disengaging means
    • EFIXED CONSTRUCTIONS
    • E05LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05YINDEXING 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
    • E05Y2201/00Constructional elements; Accessories therefor
    • E05Y2201/20Brakes; Disengaging means; Holders; Stops; Valves; Accessories therefor
    • E05Y2201/252Type of friction
    • E05Y2201/254Fluid or viscous friction
    • E05Y2201/256Fluid or viscous friction with pistons or vanes
    • EFIXED CONSTRUCTIONS
    • E05LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05YINDEXING 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
    • E05Y2201/00Constructional elements; Accessories therefor
    • E05Y2201/20Brakes; Disengaging means; Holders; Stops; Valves; Accessories therefor
    • E05Y2201/262Type of motion, e.g. braking
    • E05Y2201/264Type of motion, e.g. braking linear
    • EFIXED CONSTRUCTIONS
    • E05LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05YINDEXING 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
    • E05Y2900/00Application of doors, windows, wings or fittings thereof
    • E05Y2900/20Application of doors, windows, wings or fittings thereof for furniture, e.g. cabinets

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Hinges (AREA)
  • Closing And Opening Devices For Wings, And Checks For Wings (AREA)

Abstract

A hinge capable of limiting an opening angle of a furniture door comprises a movable hinge cup, a hinging arm and an elastic piece, wherein the elastic piece is arranged on the movable hinge cup and acts on the hinging arm; and the hinging arm is rotatably arranged on the movable hinge cup through a supporting piece. The hinge is characterized in that the hinging arm is made of metal; a cylinder is integrally formed in the middle of the hinging arm; the supporting piece is rotatably arranged on the movable hinge cup through a through hole of the cylinder; acting portions with arc surfaces are integrally formed on two sides of the cylinder; one end of the elastic piece acts on acting portions; and a plastic limiting piece with fixed elasticity is arranged on the inner side of the hinging arm, and rotatably supports the movable hinge cup through the hinging arm so as to limit the opening angle of the hinge. The plastic limiting piece is arranged on the hinging arm, and supports the movable hinge cup by rotating the hinging arm so as to limit the opening angle of the hinge, and the closing angle of the hinge is not limited. The hinge is high in practicality.

Description

Can limit the hinge of furniture door open angle
Technical field
The utility model relates to a kind of hinge, specifically a kind of hinge that limits furniture door open angle.
Background technology
Chinese patent literature number is that CN201339380 discloses a kind of hinge on January 9th, 2009, it includes a box, connecting rod, pivoted arm, shift arm, base, snubber, torsion spring, linker and lever driving sheet, linker is sector structure, it has a circle center hole and 3 circumferential apertures, be flexibly connected location with pivoted arm by circle center hole, be flexibly connected with the tailpiece of the piston rod of snubber by 1 circumferential apertures, all the other 2 circumferential apertures are provided with axle, lever driving sheet is provided with stomidium and mesopore, the other end relative with stomidium is provided with 2 prong mouths, lever driving sheet sheet is movably connected on pivoted arm by mesopore, axle in 2 circumferential apertures on 2 prong mouths and linker is connected with a joggle, the other end of lever driving sheet is flexibly connected with door box by stomidium, torsion spring is installed on connecting rod, torsion spring compresses and provides a box to open/close state with respect to pivoted arm in pivoted arm and connecting rod and door box.It is said, this is simple in structure, dependable performance, is used flexibly, still, this structure is due to the effect of snubber, need larger power door body could be opened or closed, easily cause handle on a body to damage or a door body close not in place, and the hinge of this structure use convenient not, can not furniture door body open angle be regulated and be limited, can not meet user's user demand.Therefore, be necessary further improvement.
Utility model content
The purpose of this utility model aims to provide a kind of simple and reasonable, dependable performance, low cost of manufacture, easily produce, easily realize, quick and easy to use, the hinge of limited to the furniture door open angle of the low and long service life of smooth opening and closing, noise, to overcome weak point of the prior art.
By a kind of hinge that limits furniture door open angle of this object design, comprise moveable hinge cup, articulated jib, and be arranged at moveable hinge cup and act on the elastic component on articulated jib, articulated jib is rotated and is arranged on moveable hinge cup by supporting member, it is characterized in that: articulated jib is that metal is made, middle part is one-body molded a cylindrical portion for it, and supporting member is rotated and is arranged on moveable hinge cup by the through hole of cylindrical portion; The one-body molded service portion having with arc surface in both sides of cylindrical portion, one end of elastic component acts on service portion; The inner side of articulated jib is provided with is with certain flexible plastic cement locating part, and plastic cement locating part passes through the rotating support of articulated jib on moveable hinge cup, to limit the open angle of hinge.
On described plastic cement locating part, be provided with certain elasticity and opening-like buckling parts, plastic cement locating part is arranged in the cylindrical portion of articulated jib by buckling parts.
The size of described buckling parts opening is less than the external diameter of cylindrical portion, and plastic cement locating part is fastened in cylindrical portion by buckling parts and is placed between two service portions.
The end of described service portion stretches out in the inner face of articulated jib, and plastic cement locating part is fastened in cylindrical portion and by this service portion stretching out and realizes location, left and right.
On described buckling parts, extend and be provided with a protuberance, a side of protuberance acts on the inner face of articulated jib, and opposite side is supported on moveable hinge cup in the time that hinge is opened, to limit the open angle of hinge.
On described plastic cement locating part, be also provided with insertion section, plastic cement locating part passes through insertion section positioning action on the gap between articulated jib inner face and cylindrical portion.
On described moveable hinge cup, be provided with damper, the outer face of articulated jib at least acts on damper in the time that hinge is closed; Gland is also set on moveable hinge cup, and gland is arranged on damper and rotates or swing and is provided with a damper switch member, and hinge by rotating or damping of oscillations switching member, is realized restriction and/or restored the cushion stroke of damper in the time of open and/or closed.
Described elastic component is that metal torsion spring and one end are arranged on moveable hinge cup, and the other end is crimped on the service portion of articulated jib; There is flexible material piece in the stage casing of elastic component with the region division that moveable hinge cup contacts, and hinge eliminates by flexible material piece the noise that power that elastic component stage casing presses down moveable hinge cup and elastic component produce with respect to the lengthwise movement of moveable hinge cup in the time of open and/or closed.
On described articulated jib, be provided with base, on base, be provided with some location divisions and locate and be arranged in furniture main body by location division.
Between described articulated jib and base, be provided with adjusting part, articulated jib regulates the relative position between base by adjusting part.
The utility model is by the improvement of said structure, be provided with in the inner side of articulated jib and be with certain flexible plastic cement locating part, plastic cement locating part is arranged at the cylindrical portion of articulated jib, and be placed between two service portions, by the rotation of articulated jib, finally make plastic cement locating part be supported on moveable hinge cup, with the open angle of restriction hinge, and closing angle is unrestricted, user can be according to the actual requirements, in the situation that not changing hinge original structure, by plastic cement locating part is set on articulated jib, realize the effect that changes hinge open angle, be very easy to user's use, improve the experience property that hinge is used, wherein, on moveable hinge cup, be provided with the damper switch member that can limit damper cushion stroke, hinge is in the time of open mode, user by manually instrument rotates or damping of oscillations switching member to the active position of gland, the cushion stroke of damper is limited within the specific limits, rotation or damping of oscillations switching member are to off-position again, the cushion stroke of damper is restored, when effectively having extended damper application life, user is the cushion stroke of damping adjusting device according to the actual requirements, to reach speed and the dynamics that hinge is closed of controlling, make the collision between furniture little, noise is low, and there is flexible material piece in the stage casing of elastic component with the region division that moveable hinge cup contacts, the power of moveable hinge cup eliminated elastic component stage casing and pressed down by hinge in the time of open and/or closed by flexible material piece, and the noise that produces with respect to the lengthwise movement of moveable hinge cup of elastic component, effectively reduce elastic component in the time that hinge opens and closes and the friction of moveable hinge cup, thereby reduce the loss of elastic component, improve application life, also reduce because of elastic component and the moveable hinge cup noise producing that rubs, make the folding of hinge more smooth and easy, noise is lower, to strengthen user's experience.It has simple and reasonable, dependable performance, and the feature such as low cost of manufacture, easily produces, and easily realizes, quick and easy to use, the low and long service life of smooth opening and closing, noise, practical.
Brief description of the drawings
Fig. 1 is the utility model one embodiment decomposition texture schematic diagram.
Fig. 2 is the utility model one example structure schematic diagram.
Fig. 3 is another structural representation of utility model one embodiment (analysing and observe).
Fig. 4 is articulated jib and plastic cement locating part assembly structure schematic diagram.
Detailed description of the invention
Below in conjunction with drawings and Examples, the utility model is further described.
Referring to Fig. 1-Fig. 4, originally can limit the hinge of furniture door open angle, comprise moveable hinge cup 1, articulated jib 2, and be arranged at moveable hinge cup 1 and act on the elastic component 3 on articulated jib 2, articulated jib 2 is rotated and is arranged on moveable hinge cup 1 by supporting member 4.Articulated jib 2 is made for metal, and its middle part is one-body molded cylindrical portion 2.1, and supporting member 4 is rotated and is arranged on moveable hinge cup 1 by the through hole of cylindrical portion 2.1; The one-body molded service portion 2.2 having with arc surface in both sides of cylindrical portion 2.1, one end of elastic component 3 acts on service portion 2.2; The inner side of articulated jib 2 is provided with is with certain flexible plastic cement locating part 5, and the rotating support that plastic cement locating part 5 passes through articulated jib 2 is on moveable hinge cup 1, to limit the open angle of hinge.
Specifically, be provided with certain elasticity and opening-like buckling parts 5.1 on plastic cement locating part 5, plastic cement locating part 5 is arranged in the cylindrical portion 2.1 of articulated jib 2 by buckling parts 5.1.The size of buckling parts 5.1 openings is less than the external diameter of cylindrical portion 2.1, and plastic cement locating part 5 is fastened in cylindrical portion 2.1 by buckling parts 5.1 and is placed between two service portions 2.2.The end of service portion 2.2 stretches out in the inner face of articulated jib 2, and plastic cement locating part 5 is fastened in cylindrical portion 2.1 and by the service portion 2.2 that this stretches out and realizes location, left and right.On buckling parts 5.1, extend and be provided with a protuberance 5.2, a side of protuberance 5.2 acts on the inner face of articulated jib 2, and opposite side is supported on moveable hinge cup 1 in the time that hinge is opened, to limit the open angle of hinge.In order to make the assembling between articulated jib 2 and plastic cement locating part 5 more firm, on plastic cement locating part 5, be also provided with insertion section 5.3, plastic cement locating part 5 passes through insertion section 5.3 positioning actions on the gap between articulated jib 2 inner faces and cylindrical portion 2.1.
In said structure, be provided with damper 6 on moveable hinge cup 1, the outer face of articulated jib 2 at least acts on damper 6 in the time that hinge is closed; Gland 7 is also set on moveable hinge cup 1, gland 7 is arranged on damper 6 and rotates or swing and is provided with a damper switch member 8, hinge by rotating or damping of oscillations switching member 8, is realized the cushion stroke of restriction and/or recovery damper 6 in the time of open and/or closed.
Specifically, hinge is in the time of open mode, user by manually instrument rotates or damping of oscillations switching member 8 to latched position, hinge is progressively closed, articulated jib 2 acts on damper 6, the cushion stroke of damper 6 is progressively reduced, now the locking position of damper 6 and the lock part of damper switch member 8 anchor mutually, the cushion stroke of damper 6 is limited within the specific limits, in the time that hinge is opened, damper 6 is because the effect that anchors of damper switch member 8 is no longer stretched out, and damper 6 is no longer worked; Rotation or damping of oscillations switching member 8 are to off-position again, and lock part departs from locking position, and the cushion stroke of damper 6 is restored, and damper 6 works on.
Elastic component 3 is arranged on moveable hinge cup 1 for metal torsion spring and one end, the other end is crimped on the service portion 2.2 of articulated jib 2, the region division that the stage casing of elastic component 3 contacts with moveable hinge cup 1 has flexible material piece 9, and hinge eliminates by flexible material piece 9 noise that power that elastic component 3 stage casings press down moveable hinge cup 1 and elastic component 3 produce with respect to 1 lengthwise movement of moveable hinge cup in the time of open and/or closed.
Enter particularly, flexible material piece 9 is made and is located by plastics or rubber and is arranged on elastic component 3 or moveable hinge cup 1.Elastic component 3 be arranged on moveable hinge cup 1 and one end positioning action on the sidewall of moveable hinge cup 1, the other end is crimped on the service portion 2.2 of articulated jib 2 by flexible material piece 4 activities in the time of hinge open and/or closed.
On articulated jib 2, be provided with base 10, on base 10, be provided with some location divisions 10.1 and be arranged in furniture main body by 10.1 location, location division.Between articulated jib 2 and base 10, be provided with adjusting part, articulated jib 2 regulates the relative position between base 10 by adjusting part.
Above-mentioned is preferred version of the present utility model, and those of ordinary skill in the art are to its simple modification or transformation, within all dropping on protection domain of the present utility model.

Claims (10)

1. one kind can be limited the hinge of furniture door open angle, comprise moveable hinge cup (1), articulated jib (2), and be arranged at moveable hinge cup (1) and act on the elastic component (3) on articulated jib (2), articulated jib (2) is rotated and is arranged on moveable hinge cup (1) by supporting member (4), it is characterized in that: articulated jib (2) is made for metal, middle part is one-body molded a cylindrical portion (2.1) for it, and supporting member (4) is arranged on moveable hinge cup (1) by the through hole rotation of cylindrical portion (2.1); The one-body molded service portion (2.2) having with arc surface in both sides of cylindrical portion (2.1), one end of elastic component (3) acts on service portion (2.2); The inner side of articulated jib (2) is provided with is with certain flexible plastic cement locating part (5), and plastic cement locating part (5) is upper in moveable hinge cup (1) by the rotating support of articulated jib (2), to limit the open angle of hinge.
2. the hinge that limits furniture door open angle according to claim 1, it is characterized in that being provided with certain elasticity and opening-like buckling parts (5.1) on described plastic cement locating part (5), plastic cement locating part (5) is arranged in the cylindrical portion (2.1) of articulated jib (2) by buckling parts (5.1).
3. the hinge that limits furniture door open angle according to claim 2, it is characterized in that the size of described buckling parts (5.1) opening is less than the external diameter of cylindrical portion (2.1), plastic cement locating part (5) is fastened on cylindrical portion (2.1) above and is placed between two service portions (2.2) by buckling parts (5.1).
4. the hinge that limits furniture door open angle according to claim 3, it is characterized in that the end of described service portion (2.2) stretches out in the inner face of articulated jib (2), plastic cement locating part (5) is fastened on cylindrical portion (2.1) above and realizes location, left and right by this service portion stretching out (2.2).
5. the hinge that limits furniture door open angle according to claim 4, it is characterized in that upper extension of described buckling parts (5.1) is provided with a protuberance (5.2), one side of protuberance (5.2) acts on the inner face of articulated jib (2), it is upper that opposite side is supported on moveable hinge cup (1) in the time that hinge is opened, to limit the open angle of hinge.
6. the hinge that limits furniture door open angle according to claim 5, it is characterized in that being also provided with insertion section (5.3) on described plastic cement locating part (5), plastic cement locating part (5) passes through insertion section (5.3) positioning action on the gap between articulated jib (2) inner face and cylindrical portion (2.1).
7. according to the hinge of limited to the furniture door open angle described in claim 1-6 any one, it is characterized in that being provided with damper (6) on described moveable hinge cup (1), the outer face of articulated jib (2) at least acts on damper (6) in the time that hinge is closed; Gland (7) is also set on moveable hinge cup (1), gland (7) is arranged on damper (6) above and rotates or swing and is provided with a damper switch member (8), hinge by rotating or damping of oscillations switching member (8), is realized the cushion stroke of restriction and/or recovery damper (6) in the time of open and/or closed.
8. the hinge that limits furniture door open angle according to claim 7, is characterized in that described elastic component (3) is that metal torsion spring and one end are arranged on moveable hinge cup (1) above, and the other end is crimped on the service portion (2.2) of articulated jib (2); The region division that the stage casing of elastic component (3) contacts with moveable hinge cup (1) has flexible material piece (9), and hinge is eliminated elastic component (3) stage casing by flexible material piece (9) and pressed down the power of moveable hinge cup (1) and the noise that elastic component (3) produces with respect to moveable hinge cup (1) lengthwise movement in the time of open and/or closed.
9. the hinge that limits furniture door open angle according to claim 8, it is characterized in that being provided with base (10) on described articulated jib (2), on base (10), be provided with some location divisions (10.1) and be arranged in furniture main body by location division (10.1) location.
10. the hinge that limits furniture door open angle according to claim 9, it is characterized in that being provided with adjusting part between described articulated jib (2) and base (10), articulated jib (2) regulates the relative position between base (10) by adjusting part.
CN201420081484.2U 2014-02-25 2014-02-25 Hinge capable of limiting opening angle of furniture door Expired - Lifetime CN203729743U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201420081484.2U CN203729743U (en) 2014-02-25 2014-02-25 Hinge capable of limiting opening angle of furniture door

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201420081484.2U CN203729743U (en) 2014-02-25 2014-02-25 Hinge capable of limiting opening angle of furniture door

Publications (1)

Publication Number Publication Date
CN203729743U true CN203729743U (en) 2014-07-23

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ID=51199825

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201420081484.2U Expired - Lifetime CN203729743U (en) 2014-02-25 2014-02-25 Hinge capable of limiting opening angle of furniture door

Country Status (1)

Country Link
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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103835603A (en) * 2014-02-25 2014-06-04 伍志勇 Hinge capable of limiting opening angle of furniture door
TWI595164B (en) * 2014-09-29 2017-08-11 東莞市萬泰精密五金有限公司 A hinge and a damper thereof
CN109750921A (en) * 2018-11-25 2019-05-14 广东炬森五金精密制造有限公司 A kind of mute hinge
WO2023173469A1 (en) * 2022-03-17 2023-09-21 吴腾庆 Damping hinge and damping assembly

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103835603A (en) * 2014-02-25 2014-06-04 伍志勇 Hinge capable of limiting opening angle of furniture door
TWI595164B (en) * 2014-09-29 2017-08-11 東莞市萬泰精密五金有限公司 A hinge and a damper thereof
CN109750921A (en) * 2018-11-25 2019-05-14 广东炬森五金精密制造有限公司 A kind of mute hinge
WO2023173469A1 (en) * 2022-03-17 2023-09-21 吴腾庆 Damping hinge and damping assembly

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CX01 Expiry of patent term
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Granted publication date: 20140723