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WO2017122940A1 - Amortisseur rotatif - Google Patents

Amortisseur rotatif Download PDF

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Publication number
WO2017122940A1
WO2017122940A1 PCT/KR2016/014932 KR2016014932W WO2017122940A1 WO 2017122940 A1 WO2017122940 A1 WO 2017122940A1 KR 2016014932 W KR2016014932 W KR 2016014932W WO 2017122940 A1 WO2017122940 A1 WO 2017122940A1
Authority
WO
WIPO (PCT)
Prior art keywords
shaft
rotating
damper
rotary
rotating body
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.)
Ceased
Application number
PCT/KR2016/014932
Other languages
English (en)
Korean (ko)
Inventor
박덕교
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.)
(ju)wooshin Construction&trading
Original Assignee
(ju)wooshin Construction&trading
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 (ju)wooshin Construction&trading filed Critical (ju)wooshin Construction&trading
Publication of WO2017122940A1 publication Critical patent/WO2017122940A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F9/00—Multistage treatment of water, waste water or sewage
    • 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
    • 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
    • E05F3/14—Closers or openers with braking devices, e.g. checks; Construction of pneumatic or liquid braking devices with fluid brakes of the rotary type
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D65/00—Accessories or auxiliary operations, in general, for separation processes or apparatus using semi-permeable membranes
    • B01D65/02—Membrane cleaning or sterilisation ; Membrane regeneration
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D65/00—Accessories or auxiliary operations, in general, for separation processes or apparatus using semi-permeable membranes
    • B01D65/08—Prevention of membrane fouling or of concentration polarisation
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/24—Treatment of water, waste water, or sewage by flotation
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/44—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/50—Treatment of water, waste water, or sewage by addition or application of a germicide or by oligodynamic treatment
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F3/00—Biological treatment of water, waste water, or sewage
    • C02F3/02—Aerobic processes
    • C02F3/12—Activated sludge processes
    • C02F3/1236—Particular type of activated sludge installations
    • C02F3/1268—Membrane bioreactor systems
    • C02F3/1273—Submerged membrane bioreactors
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F3/00—Biological treatment of water, waste water, or sewage
    • C02F3/30—Aerobic and anaerobic processes
    • 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
    • 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
    • E05F5/06—Buffers or stops limiting opening of swinging wings, e.g. floor or wall stops
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F9/00—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
    • F16F9/10—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium using liquid only; using a fluid of which the nature is immaterial
    • F16F9/12—Devices with one or more rotary vanes turning in the fluid any throttling effect being immaterial, i.e. damping by viscous shear effect only

Definitions

  • the present invention relates to a rotary damper, and more particularly, because it is configured to be mounted in a device that performs a linear motion or a rotational movement to the damping action, a sufficient buffering effect regardless of the linear movement or rotational movement while reducing the overall size In addition, it is possible to easily and conveniently mounted and used even in a narrow installation space.
  • a damper is a device that absorbs vibration energy, and is also used for noise prevention and buffering when a door is suddenly opened or closed. These dampers are also called dampers when used to control the flow of fluid in a chimney or duct.
  • the damper used for the purpose of buffering is produced and used by various techniques like following patent document 1-patent document 4.
  • Patent Document 1 Korean Registered Patent No. 1290252
  • the present invention relates to a built-in damper embedded in the furniture hinge and absorbing the opening and closing load of the furniture door, wherein the flow path of the built-in damper is configured to correspond to the opening and closing load of the furniture door so as to be independent of the load applied from the furniture door.
  • the furniture door is always opened and closed at a setting speed to improve reliability.
  • Patent Document 2 Korean Registered Patent No. 1408768
  • a buffer damper for absorbing the impact force generated during the opening and closing of the furniture door to perform a buffer function by configuring the pressure regulator and the guider in the buffer damper to vary the flow path according to the opening and closing load of the furniture door, The furniture door is opened and closed at a setting speed regardless of the size or weight of the door.
  • Patent Document 3 Korean Patent Publication No. 10-2015-0016258
  • a sliding door component for coupling a door of a refrigeration appliance to a door of a furniture body in which a refrigeration appliance is mounted, the door of the refrigeration appliance being fixed on at least one hinge and having one or more additional single or multiple axes.
  • the sliding door part Fixed on a hinge, the sliding door part has a guide element and a slide guided by it, wherein the guide element is arranged in one of the doors and the slide is arranged in the other door
  • Patent Document 4 Korean Patent Publication No. 10-2015-0111949
  • a multi-link hinge for a furniture part the fixing being connected to the pivotable door bearing via a plurality of link levers which can be fixed directly or indirectly to the furniture body and are connected to each other in a scissors-like manner.
  • the existing damper because the damping operation is usually performed in a cylindrical manner or a scissors method, it is necessary to manufacture the damper to a size that can accommodate all the configuration in which the damping operation is performed.
  • Patent Document 1 Korean Registered Patent No. 1290252 (Registration Date: 2013.07.22)
  • Patent Document 2 Korean Registered Patent No. 1408768 (Registration Date: 2014.06.11)
  • Patent Document 3 Korean Patent Publication No. 10-2015-0016258 (published date: 2015.02.11)
  • Patent Document 4 Korean Patent Publication No. 10-2015-0111949 (Published Date: 2015.10.06)
  • the present invention is configured to rotate the rotating body by the kinetic energy of the rotary mechanism or linear movement mechanism, wherein the rotating body damps when rotating to one side and damping when rotating to the other side. It is possible to reduce the installation space by reducing the size of the damper itself, and to provide a rotary damper that can be damped by applying it to windows or slides that are linear or rotating. The purpose is.
  • the present invention can be manufactured in the form of a block, it is possible to reduce the overall dimensions while the rotary body for damping is configured to receive a strong resistance of the working fluid, so it is possible to provide a rotary damper that can increase the damping efficiency There is a purpose.
  • the operating space 11 is filled with a working fluid therein and a main body 10 having a cover 12 for blocking the working space (11);
  • a rotating body 20 having a working hole 21 formed in the center thereof and installed to rotate in the working space 11;
  • the rotating part 31 is formed in a square pillar shape so that one side protrudes out of the main body 10, and the other part constitutes a friction part 32 fitted into the operation hole 21, and an outer periphery of the friction part 32.
  • It includes a shaft 30 formed at a predetermined interval at least two operating grooves 33 to gradually deepen along the direction of rotation to either side; A lock pin (40) placed between each of the operation grooves (33) and the operation holes (21), for rotationally restraining or releasing the rotating body (20) according to the rotation direction of the shaft (30); And a gear 50 mounted to the rotating part 31 so as to rotate together with the shaft 30.
  • the rotating body 20 is characterized in that the friction protrusion 22 is formed to protrude on at least one of the two surfaces to have a predetermined interval.
  • the operation hole 21 further has a fixing groove 21a formed on the inner circumferential surface to accommodate the lock pin 40 pushed out along the operation groove 33 by the rotation of the shaft 30. It is characterized by.
  • the operation groove 33 is characterized in that even number is formed 2 to 10 at the same interval.
  • the rotary damper according to the present invention has the following effects.
  • the damper according to the present invention is less restricted by the mounting space in which the damper can be mounted, the damper according to the present invention can be utilized in various appliances, furniture, windows and the like.
  • the main body for determining the overall shape of the damper according to the present invention is formed in the form of a block, the mounting space can be minimized because the damper does not have to be formed long or wide.
  • the damping operation is performed while rotating the gears with a force that moves the gear, that is, a linear movement like a slide body or a rotational movement like a hinge of a window or door.
  • the rotary damper according to the present invention can be applied to various mechanisms regardless of the direction of movement.
  • the lock pin is mechanically configured according to the direction in which the shaft rotates, the damping operation is performed while rotating together with the rotating plate and friction, the structure is simple and can be manufactured easily and inexpensively.
  • FIG. 1 is a perspective view of the combined state to show the overall configuration of the rotary damper according to [Example 1] of the present invention.
  • FIG. 2 is a perspective view of the disassembled state to show the overall configuration of the rotary damper according to [Example 1] of the present invention.
  • FIG 3 is a cross-sectional view showing a state in which the shaft and the rotating body according to the [Example 1] of the present invention coupled through the lock pin.
  • FIG. 4 is a cross-sectional view for showing when the rotary body in the rotary damper according to the [Example 1] of the present invention (a) and when the damping action while rotating (b).
  • FIG. 5 is a view showing a rotating body according to [Example 2] of the present invention, (a) is a sectional view, and (b) is a perspective view.
  • FIG. 6 is a plan view for showing a rotating body according to the [Example 3] of the present invention.
  • the rotary damper D according to [Example 1] of the present invention includes a main body 10, a rotating body 20, a shaft 30, and at least two lock pins as shown in Figs. 40, and gear 50.
  • the main body 10 is produced in a block form as shown in Figs. 1 to 4. At this time, since the main body 10 is accommodated therein the rotating body 20 to be described later, it is preferable to form a shape similar to the rotating body 20, that is, a disk shape.
  • the main body 10, as shown in FIG. 2 and FIG. 3, forms an operating space 11 therein.
  • the working space 11 is provided to provide a space in which the rotating body 20 can be rotated and is formed in a round disc shape.
  • the working space 11 is filled with a working fluid to form a little larger than the rotating body 20 so as to increase the damping effect when the rotating body 20 performs a damping action.
  • the operation space 11 is formed so that one side is open so that the rotating body 20 can be mounted in this way, and the cover 12 is configured to be detachably attached to the open surface.
  • the cover 12 is formed so that the shaft 30 to be described later to form a through hole.
  • the rotating body 20 is configured to be rotatable in the above-described working space 11 as shown in Figs. 2 to 4.
  • the rotating body 20 is preferably manufactured in a shape that can stably rotate, for example, in the form of a disc, without causing interference with other components or parts during rotation.
  • the rotating body 20 as shown in Fig. 2 to Fig. 4, forms a working hole 21 in the center.
  • the operation hole 21 is equipped with a shaft 30 to rotate together with the rotating body 20 or to rotate only the shaft 30.
  • the operation hole 21, as shown in Fig. 2 is formed to protrude outward at least one of the two edges in contact with the lock pin 40 mounted to the shaft 30 It is preferable to form a wide section. This is to allow the rotation pin 20 to rotate together with the friction force while the lock pin 40 substantially contacts the operation hole 21, so that the friction area can be increased to increase the friction force.
  • the shaft 30 is comprised from the rotating part 31 which protrudes out of the main body 10, and the friction part 32 comprised in the main body 10 like [FIG. 1]-FIG.
  • the shaft 30 is rotatably mounted to the main body 10.
  • the shaft 30 is exemplarily configured to be supported by the through hole formed in the cover 12 described above.
  • the shaft 30 may be mounted to the main body 10 to be rotationally supported by the rotation itself.
  • the gear 50 to be described later is mounted on the rotating part 31, the gear 50 is fitted to be configured to rotate together.
  • the drawings show an example in which the rotating part 31 is manufactured in the form of a square pillar and configured to be rotated together by inserting and fixing the gear 50, a method of fixing the gear using a polygonal column or an ellipse or a common key Can also be used.
  • the friction portion 32 is provided with at least two working grooves 33 on the outer circumference, as shown in FIGS. 2 and 3.
  • the operation groove 33 is deeper in the direction when the shaft 30 rotates in one direction, that is, the operation groove deeper in the counterclockwise direction relative to the center of the friction portion 32 in [FIG. 3]
  • An example of forming (33) is shown.
  • the operation groove 30 receives all of the lock pin 40 to be described later, the depth of the deep as shown in Fig. 4 (a), the rotor 20 and the shaft 30 Is formed at a depth that is not in contact with each other, and as the lock pin 40 moves to the lower side as shown in FIG. 4 (b), the lock pin 40 is sandwiched between the rotor 20 and the shaft 30 to rotate together. It can be formed.
  • These working grooves 30 form at least two, which can be selected in the range of 2 to 10 so as to provide sufficient frictional force depending on the diameter of the shaft 3. Of course, it does not matter even if the number is larger than this.
  • the operation groove 30 is formed at a predetermined interval on the outer circumference of the friction portion 32, but preferably formed at the same interval. This is to allow the frictional force generated by the rotational force of the shaft 30 to be evenly transmitted to the rotating body 20 through the operation hole 21 to stably support the rotation.
  • lock pin 40 is provided one by one in the above-mentioned operating groove 33, as shown in FIG. 2 to FIG.
  • Lock pin 40 is formed in the form of a roller or ball, as shown in [Fig. 4] when the shaft 30 is rotated in the operation groove 33 in accordance with the direction of the rotating body 20 and the shaft 30 together Allow it to move or rotate the shaft 30 only. This operation will be described later.
  • the gear 50 is fixed to the above-mentioned rotating part 31 as shown in FIG. 1 to FIG. At this time, the gear 50 is made by using a conventional technique, and rotates the shaft 30 as it rotates through a rotary motion like a linear motion or a rack-like pinion.
  • the locking pin is configured to protrude or be accommodated in the rotational direction of the shaft so that a damping action can be obtained only when the shaft is rotated to either side in the rotational direction.
  • [Embodiment 2] of the present invention has the same configuration as that of [Embodiment 1], but differs in that the fixing groove 21a is additionally configured in the rotating body 20 as shown in FIG. Therefore, the same reference numerals are used for the same components as in the first embodiment, and the detailed description thereof will be omitted, and only the additional components will be described here.
  • the fixing groove 21a is further added in the above-described operating hole 21.
  • the fixing groove 21a is locked when the lock pin 40 is in the position sandwiched between the operating hole 21 and the friction portion 32, as shown in Figs. 4 (b) and 5.
  • the pin 40 is formed on the inner surface of the operation hole 21 in contact with the lock 40, so that the lock pin 40 engages like a stopper so that the locking action between the rotating body 20 and the shaft 30 is made more firm. It is.
  • the friction protrusion 22 is formed in the rotating body 20 as shown in FIG.
  • the friction protrusion 22 is configured to cause friction with the working fluid when the rotating body 20 rotates in the working space 11 filled with the working fluid, thereby increasing the damping force. That is, the friction protrusion 22 is configured to prevent the rotating body 20 from easily rotating due to the working fluid, thereby requiring more force to turn the rotating body 20 by that amount.
  • the friction protrusion 22 can adjust the damping force according to the number, so that even if the rotary dampers of the same size, it is possible to manufacture the rotary dampers having different damping forces.
  • the friction protrusion 22 may be formed on at least one of both surfaces of the rotating body 20, the friction protrusion 22 may be formed on one or both surfaces according to the strength of the damping force. Those skilled in the art will readily know.
  • the present invention is configured to adjust the rotational resistance of the rotating body rotating in the working fluid through the friction projection, and not only the damping force can be adjusted, but also have a different damping force in the case of the same size damper Can be used.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Water Supply & Treatment (AREA)
  • Hydrology & Water Resources (AREA)
  • Environmental & Geological Engineering (AREA)
  • Organic Chemistry (AREA)
  • General Engineering & Computer Science (AREA)
  • Microbiology (AREA)
  • Biodiversity & Conservation Biology (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Mechanical Engineering (AREA)
  • Fluid-Damping Devices (AREA)

Abstract

Un objet de la présente invention porte sur un amortisseur rotatif conçu pour faire tourner un corps rotatif par une énergie cinétique d'un mécanisme d'actionnement effectuant un mouvement rotatif ou un mouvement rectiligne, le corps rotatif étant conçu pour assurer une fonction d'amortissement lorsqu'il tourne dans un sens et pour ne pas assurer une fonction d'amortissement lorsqu'il tourne dans le sens inverse, ce qui permet à l'amortisseur rotatif d'être mis en œuvre pour assurer une fonction d'amortissement indépendamment des fenêtres/portes, corps de glissement ou analogues qui effectuent un mouvement rectiligne ou un mouvement rotatif, ainsi que de réduire l'espace d'installation par réduction de la taille de l'amortisseur lui-même. En particulier, un autre objet de la présente invention porte sur un amortisseur rotatif qui peut être fabriqué sous forme de bloc pour permettre à un corps rotatif tournant servant à amortir de supporter solidement la résistance du fluide de travail, ainsi que de réduire la totalité de sa dimension, améliorant ainsi son efficacité d'amortissement.
PCT/KR2016/014932 2016-01-11 2016-12-20 Amortisseur rotatif Ceased WO2017122940A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR10-2016-0002979 2016-01-11
KR1020160002979A KR101657430B1 (ko) 2016-01-11 2016-01-11 로터리 댐퍼

Publications (1)

Publication Number Publication Date
WO2017122940A1 true WO2017122940A1 (fr) 2017-07-20

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PCT/KR2016/014932 Ceased WO2017122940A1 (fr) 2016-01-11 2016-12-20 Amortisseur rotatif

Country Status (2)

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KR (1) KR101657430B1 (fr)
WO (1) WO2017122940A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108035639A (zh) * 2017-12-19 2018-05-15 广东亚当斯金属精密制造有限公司 一种齿轮式缓冲铰链机构
JP2022191831A (ja) * 2021-06-16 2022-12-28 文化シヤッター株式会社 ロータリダンパーユニット及びこのロータリダンパーユニットを備えた開閉戸装置

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102186434B1 (ko) 2019-07-04 2020-12-03 김성원 로터리 댐퍼
CN112833085B (zh) * 2020-12-31 2023-06-20 云南省水利水电勘测设计研究院 一种按压式阻尼旋转轴
KR102733650B1 (ko) 2022-05-11 2024-11-26 현대트랜시스 주식회사 로터리 댐퍼

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DE102013101040A1 (de) 2013-02-01 2014-08-07 Hettich-Oni Gmbh & Co. Kg Mehrgelenkscharnier mit Dämpfung
KR101290252B1 (ko) 2013-05-03 2013-07-30 삼성정밀공업 주식회사 자체 압력조절기능을 갖는 가구힌지용 내장댐퍼
KR101408768B1 (ko) 2014-03-12 2014-06-18 삼성정밀공업 주식회사 압력조절수단을 내장한 가구힌지용 가변형 완충댐퍼

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5580538U (fr) * 1978-11-30 1980-06-03
JP2001032859A (ja) * 1999-07-21 2001-02-06 Tok Bearing Co Ltd 一方向回転ダンパ
JP2011149542A (ja) * 2010-01-25 2011-08-04 Nifco Inc ダンパー
KR20120124938A (ko) * 2011-05-06 2012-11-14 주식회사 두임 로터리타입 댐퍼
KR20140073442A (ko) * 2012-12-06 2014-06-16 양태허 관성 질량 및 마찰 감쇠에 의해 작동되는 클러치

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108035639A (zh) * 2017-12-19 2018-05-15 广东亚当斯金属精密制造有限公司 一种齿轮式缓冲铰链机构
JP2022191831A (ja) * 2021-06-16 2022-12-28 文化シヤッター株式会社 ロータリダンパーユニット及びこのロータリダンパーユニットを備えた開閉戸装置
JP7676236B2 (ja) 2021-06-16 2025-05-14 文化シヤッター株式会社 ロータリダンパーユニット及びこのロータリダンパーユニットを備えた開閉戸装置

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