WO2020101608A2 - Slow closing damper assembly for lids and handles - Google Patents

Slow closing damper assembly for lids and handles Download PDF

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Publication number
WO2020101608A2
WO2020101608A2 PCT/TR2019/050704 TR2019050704W WO2020101608A2 WO 2020101608 A2 WO2020101608 A2 WO 2020101608A2 TR 2019050704 W TR2019050704 W TR 2019050704W WO 2020101608 A2 WO2020101608 A2 WO 2020101608A2
Authority
WO
WIPO (PCT)
Prior art keywords
outer body
damper assembly
slow closing
closing damper
canal
Prior art date
Application number
PCT/TR2019/050704
Other languages
French (fr)
Other versions
WO2020101608A3 (en
Inventor
Volkan Şahlan
Original Assignee
Nova Kalip Sanayi̇ Anoni̇m Şi̇rketi̇
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 Nova Kalip Sanayi̇ Anoni̇m Şi̇rketi̇ filed Critical Nova Kalip Sanayi̇ Anoni̇m Şi̇rketi̇
Publication of WO2020101608A2 publication Critical patent/WO2020101608A2/en
Publication of WO2020101608A3 publication Critical patent/WO2020101608A3/en

Links

Classifications

    • 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
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47K—SANITARY EQUIPMENT NOT OTHERWISE PROVIDED FOR; TOILET ACCESSORIES
    • A47K13/00—Seats or covers for all kinds of closets
    • A47K13/12—Hinges
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47K—SANITARY EQUIPMENT NOT OTHERWISE PROVIDED FOR; TOILET ACCESSORIES
    • A47K13/00—Seats or covers for all kinds of closets
    • A47K13/24—Parts or details not covered in, or of interest apart from, groups A47K13/02 - A47K13/22, e.g. devices imparting a swinging or vibrating motion to the seats
    • A47K13/26—Mounting devices for seats or covers
    • 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
    • F16F9/14—Devices with one or more members, e.g. pistons, vanes, moving to and fro in chambers and using throttling effect
    • F16F9/16—Devices with one or more members, e.g. pistons, vanes, moving to and fro in chambers and using throttling effect involving only straight-line movement of the effective parts
    • 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
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
    • E05Y2201/00—Constructional elements; Accessories therefor
    • E05Y2201/20—Brakes; Disengaging means; Holders; Stops; Valves; Accessories therefor
    • E05Y2201/252—Type of friction
    • E05Y2201/254—Fluid or viscous friction
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
    • E05Y2201/00—Constructional elements; Accessories therefor
    • E05Y2201/20—Brakes; Disengaging means; Holders; Stops; Valves; Accessories therefor
    • E05Y2201/262—Type of motion, e.g. braking
    • E05Y2201/266—Type of motion, e.g. braking rotary
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
    • E05Y2201/00—Constructional elements; Accessories therefor
    • E05Y2201/60—Suspension or transmission members; Accessories therefor
    • E05Y2201/622—Suspension or transmission members elements
    • E05Y2201/71—Toothed gearing
    • E05Y2201/716—Pinions
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
    • E05Y2900/00—Application of doors, windows, wings or fittings thereof
    • E05Y2900/20—Application of doors, windows, wings or fittings thereof for furniture, e.g. cabinets
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
    • E05Y2900/00—Application of doors, windows, wings or fittings thereof
    • E05Y2900/50—Application of doors, windows, wings or fittings thereof for vehicles
    • E05Y2900/53—Type of wing
    • E05Y2900/538—Interior lids
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
    • E05Y2999/00—Subject-matter not otherwise provided for in this subclass

Definitions

  • Invention relates to a damper assembly mechanism, providing slow closing of lids and handles, mainly toilet seat lids (or covers) in the sanitaryware industry, as well as automotive, furniture and all other fields.
  • Mechanisms providing slow closing of mainly toilet seat lids as well as all other lids and handles are equipped with damper assemblies.
  • Said damper assemblies usually have two- part embodiment and lids are gradually slowed down by means of compressing viscous fluid between said two parts.
  • present damper assemblies are susceptible to leakage of viscous fluid through the body, causing failure for damper assembly to perform its function thereby reducing reliability and shortening the life span of the damper assembly.
  • Literature review indicates technical document numbered TR2015/1 1321 as example for damper assemblies.
  • Said document relates to a mechanism providing slow closing of toilet seat lids.
  • Said mechanism of the invention comprises a two-part embodiment comprising in general a body having extensions on inner surface and a spindle connected to said body by connection members.
  • the life span of such mechanism is short and expected softening in closing motion of the lid is not achieved.
  • Said document relates to a damping mechanism providing slow closing of toilet seat lids.
  • Said damping device comprises a shaft having shells on outer surface, a housing member into which shells are inserted and a body into which shaft is located.
  • use life of such mechanism is short and expected softening in closing motion of the lid is not achieved.
  • This present invention relates to a slow closing damper assembly eliminating above mentioned disadvantages and providing new advantages in the related art.
  • Primary purpose of the invention is to provide closing speed of the lid in desired softness and eliminate fast closing problems by means of four-part comprising in general a body having viscous fluid therein, a rotor capable to rotated inside the body, an outer lid connected to outer body and gear connected to end of rotor.
  • Another purpose of the invention is to eliminate leakage of viscous fluid by help of ultrasonic welding connection of said outer lid onto outer body and thus make life span longer.
  • the invention relates to an assembly providing slow closing of mainly toilet seat lids in sanitaryware sector as well as lids and handles used all other fields.
  • Invention is characterized as being comprised of:
  • a rotor located in a manner capable to conduct rotation movement inside slotted canal of said outer body and containing a shaft thereon, flaps to guide and compress the viscous fluid between the outer surface of the rotor and the inner surface of the outer body, - an outer lid located on the outer body in a manner that passes through shaft on the rotor by means of hole in the centre of shaft and connected onto said outer body,
  • Figure 1 is perspective disassembled view of damper assembly of the invention.
  • Figure 2 is perspective disassembled view of damper assembly of the invention.
  • Figure 3 is perspective bottom view of damper assembly of the invention.
  • Figure 4 is perspective top view of damper assembly of the invention.
  • FIGS 1 and 2 show bottom and top disassembled view of slow closing damper assembly (A) of the invention.
  • outer body (10) is in circular form and inner surface has slotted canal (101 ).
  • Said slotted canal (101 ) have slots (102) on the periphery.
  • outer surface of outer body (10) has housings (103) in longitudinally indented form and said housings (103) contains tabs (104) in extruded form in lower part of the outer body (10).
  • O-ring (1 1 ) is located inside the outer body (10) in order to prevent viscous fluid leakage.
  • Rotor (12) is in circular structure matching outer body (10) form and is comprised of one shaft (121 ) and flaps (122) in lower part.
  • Said rotor (12) is located in slotted canal (101 ) on inner surface of outer body (10) in a manner allowing rotational movement.
  • An outer lid (13) is installed onto the outer body (10) in a manner passing through shaft (121 ) located on the rotor (12) by means of shaft hole (131 ) in the centre and outer lid (13) is connected by means of ultrasonic welding and combined with the outer body (10).
  • Said outer lid (13) is in circular form matching outer surface outer body (10) and in upward convex structure in the centre.
  • a gearwheel (14) is fixed onto shaft (121 ) end located on rotor (12) and extended outward from upper part of outer body (10).
  • Said gearwheel (14) can be a gear connected to end of shaft (121 ) on the rotor (12) as well as produced as one piece with rotor (12) without need for connection of a gear as shaft (121 ) on the rotor (12) is in a geared geometry.
  • Gearwheel (14) rotates during closing movement of lid and shaft (121 ) whereto the gearwheel (14) is connected rotates the rotor (12) inside slotted canal (101 ) of the outer body (10). Meanwhile, viscous fluid inside the outer body (10) is compressed by the flaps (122) inside slotted canal (101 ). During that time friction occurring between inner surface of outer body (10) and outer surface of the flaps (122) supports this compression. Rotation movement of rotor (12) is damped and slowed by compression of viscous fluid inside slotted canal (101 ) by means of flaps (122) and friction between inner surface of the outer body (10) and outer surface of rotor (12) flaps (122) and thus slow closing of the lid is provided. At the end of the rotational movement, viscous fluid inside slotted canal (101 ) flows inside outer body (10) from slots (102) and operation cycle is executed.

Landscapes

  • Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Toilet Supplies (AREA)

Abstract

Invention relates to a slow closing damper assembly (A) providing slow closing of lids and handles mainly toilet seat lids in sanitaryware sector, furniture and all other fields. Invention is characterized as being comprised of: an outer body (10) containing a slotted canal (101) consisting of slots (102) around on inner surface; filled in with viscous fluid; a rotor (12) located in a manner capable to conduct rotation movement inside slotted canal (101) of said outer body (10) and containing a shaft (121) thereon, flaps (122) to compress the viscous fluid inside slot canal (101) in the outer body (10), inside the outer body (10) in lower part; an outer lid (13) located on the outer body (10) in a manner passes through shaft (121)on the rotor (12) by means of shaft hole (131) in the centre thereof and connected onto said outer body (10) by ultrasonic welding, a gearwheel (14) located on tip of shaft (121) outward from said outer body (10) upper section.

Description

Slow closing damper assembly for lids and handles
Technical Field
Invention relates to a damper assembly mechanism, providing slow closing of lids and handles, mainly toilet seat lids (or covers) in the sanitaryware industry, as well as automotive, furniture and all other fields.
State of the Art
Slow closing systems have been developed for toilet seat lids in order to prevent uncontrollably fast, and potentially hazardous shutting during closing action, as well as to minimize user’s contact with the lid and minimize noise during shutting.
Since slow and silent closing of lids and covers are in desire, not only for toilet seats but also in other fields such as automotive and furniture systems, soft closing assemblies have been developed for lids used in various fields.
Mechanisms providing slow closing of mainly toilet seat lids as well as all other lids and handles are equipped with damper assemblies. Said damper assemblies usually have two- part embodiment and lids are gradually slowed down by means of compressing viscous fluid between said two parts.
During the gradual motion of lid, the deceleration expected from closing speed occurs late in the cycle because of two-part embodiment of present damper assemblies. This constitutes obstacle for closing of lid at desired silence level.
In addition, present damper assemblies are susceptible to leakage of viscous fluid through the body, causing failure for damper assembly to perform its function thereby reducing reliability and shortening the life span of the damper assembly.
Literature review indicates technical document numbered TR2015/1 1321 as example for damper assemblies. Said document relates to a mechanism providing slow closing of toilet seat lids. Said mechanism of the invention comprises a two-part embodiment comprising in general a body having extensions on inner surface and a spindle connected to said body by connection members. However, the life span of such mechanism is short and expected softening in closing motion of the lid is not achieved.
Another example in the related art is the document numbered W02009132589. Said document relates to a damping mechanism providing slow closing of toilet seat lids. Said damping device comprises a shaft having shells on outer surface, a housing member into which shells are inserted and a body into which shaft is located. However, use life of such mechanism is short and expected softening in closing motion of the lid is not achieved.
As a result, the need for above mentioned problems and inadequacy of the existing solutions have made necessary to make a development in the related art.
Purpose of the Invention
This present invention relates to a slow closing damper assembly eliminating above mentioned disadvantages and providing new advantages in the related art.
Primary purpose of the invention is to provide closing speed of the lid in desired softness and eliminate fast closing problems by means of four-part comprising in general a body having viscous fluid therein, a rotor capable to rotated inside the body, an outer lid connected to outer body and gear connected to end of rotor.
Another purpose of the invention is to eliminate leakage of viscous fluid by help of ultrasonic welding connection of said outer lid onto outer body and thus make life span longer.
In order to achieve all of the above mentioned purposes and those that can be stated under detailed description, the invention relates to an assembly providing slow closing of mainly toilet seat lids in sanitaryware sector as well as lids and handles used all other fields. Invention is characterized as being comprised of:
- an outer body containing a slotted canal consisting of slots around on inner surface; filled in with viscous fluid,
- a rotor located in a manner capable to conduct rotation movement inside slotted canal of said outer body and containing a shaft thereon, flaps to guide and compress the viscous fluid between the outer surface of the rotor and the inner surface of the outer body, - an outer lid located on the outer body in a manner that passes through shaft on the rotor by means of hole in the centre of shaft and connected onto said outer body,
- a gearwheel located on tip of shaft outward from said outer body upper section.
The structural and characteristic features and all advantages of the invention will be understood better in the figures given below and the detailed description by reference to the figures. Therefore, the assessment should be made based on the figures and the detailed descriptions.
Brief Description of the Drawings
Figure 1 : is perspective disassembled view of damper assembly of the invention.
Figure 2: is perspective disassembled view of damper assembly of the invention.
Figure 3: is perspective bottom view of damper assembly of the invention.
Figure 4: is perspective top view of damper assembly of the invention.
Description of Parts References:
A. Slow closing damper assembly
10. Outer body
101. Slotted canal
102. Slot
103. Housing
104. Tab
1 1 . O-ring
12. Rotor
121. Shaft
122. Flap
13. Outer lid
131. Shaft hole
14. Gearwheel Detailed Description of the Invention
In this detailed description, the preferred alternatives of the slow closing damper assembly (A) being subject of this invention have been disclosed solely for the purpose of better understanding of the subject and described in a manner not causing any restrictive effect.
Figures 1 and 2 show bottom and top disassembled view of slow closing damper assembly (A) of the invention. According to it, outer body (10) is in circular form and inner surface has slotted canal (101 ). Said slotted canal (101 ) have slots (102) on the periphery. In addition, outer surface of outer body (10) has housings (103) in longitudinally indented form and said housings (103) contains tabs (104) in extruded form in lower part of the outer body (10).
O-ring (1 1 ) is located inside the outer body (10) in order to prevent viscous fluid leakage.
Rotor (12) is in circular structure matching outer body (10) form and is comprised of one shaft (121 ) and flaps (122) in lower part.
Said rotor (12) is located in slotted canal (101 ) on inner surface of outer body (10) in a manner allowing rotational movement.
An outer lid (13) is installed onto the outer body (10) in a manner passing through shaft (121 ) located on the rotor (12) by means of shaft hole (131 ) in the centre and outer lid (13) is connected by means of ultrasonic welding and combined with the outer body (10). Said outer lid (13) is in circular form matching outer surface outer body (10) and in upward convex structure in the centre.
A gearwheel (14) is fixed onto shaft (121 ) end located on rotor (12) and extended outward from upper part of outer body (10). Said gearwheel (14) can be a gear connected to end of shaft (121 ) on the rotor (12) as well as produced as one piece with rotor (12) without need for connection of a gear as shaft (121 ) on the rotor (12) is in a geared geometry.
Viscous fluid is utilized inside the outer body (10) in order to provide damping during closing action of lid. O-ring (1 1 ) inside outer body (10) and outer lid (13) connected thereon by help of ultrasonic welding makes the slow closing assembly (A) sealing. Slow closing damper assembly (A) is installed to toilet seat lid or a lid used in other fields by means of a connection apparatus comprising of an outer body (10) and a gearwheel (14), and thus is ready for use. Slow closing damper assembly (A) working principle is as follows:
Gearwheel (14) rotates during closing movement of lid and shaft (121 ) whereto the gearwheel (14) is connected rotates the rotor (12) inside slotted canal (101 ) of the outer body (10). Meanwhile, viscous fluid inside the outer body (10) is compressed by the flaps (122) inside slotted canal (101 ). During that time friction occurring between inner surface of outer body (10) and outer surface of the flaps (122) supports this compression. Rotation movement of rotor (12) is damped and slowed by compression of viscous fluid inside slotted canal (101 ) by means of flaps (122) and friction between inner surface of the outer body (10) and outer surface of rotor (12) flaps (122) and thus slow closing of the lid is provided. At the end of the rotational movement,, viscous fluid inside slotted canal (101 ) flows inside outer body (10) from slots (102) and operation cycle is executed.

Claims

1. A slow closing damper assembly (A) providing slow closing of lids and handles; mainly toilet seat lids in sanitaryware sector, furniture and all other fields characterized in comprising
- an outer body (10) containing a slotted canal (101 ) consisting of slots (102) around on inner surface; filled in with viscous fluid,
- a rotor (12) located in a manner capable to conduct rotation movement inside slotted canal (101 ) of said outer body (10) and containing a shaft (121 ) thereon, flaps (122) to compress the viscous fluid inside slotted canal (101 ) in the outer body (10) , inside the outer body (10) in lower part,
- an outer lid (13) located on the outer body (10) in a manner passes through shaft (121 ) on the rotor (12) by means of shaft hole (131 ) in the centre thereof and connected onto said outer body (10),
- a gearwheel (14) located on tip of shaft (121 ) outward from said outer body (10) upper section.
2. The slow closing damper assembly (A) according to Claim 1 characterized as being comprised of a rotor (12) performing rotation movement inside slotted canal (101 ) on inner surface of outer body (10) by means of the rotational movement of said gearwheel (14).
3. The slow closing damper assembly (A) according to Claim 2 characterized as being comprised of flaps (122) having friction with inner surface of outer body (10) during rotation movement of said rotor (12) inside slotted canal (101 ).
4. The slow closing damper assembly (A) according to Claim 1 characterized as being comprised of O-ring (1 1 ) located inside said outer body (10).
5. The slow closing damper assembly (A) according to Claim 1 characterized as being comprised of housings (103) located on outer surface of said outer body (10) and in the form of longitudinal convex.
6. The slow closing damper assembly (A) according to Claim 5 characterized as being comprised of tabs (104) in the form of extension located on said housings (103) in lower part of the outer body (10).
7. The slow closing damper assembly (A) according to Claim 1 characterized as being comprised of outer lid (13) connected onto said outer body (10) by ultrasonic welding.
8. The slow closing damper assembly (A) according to Claim 1 characterized as said gearwheel (14) is a gear connected to shaft via snap fit and (121 ) extended outward from upper part of outer body (10).
9. The slow closing damper assembly (A) according to Claim 1 characterized as said gearwheel (14) is an integrated unibody with rotor (12).
PCT/TR2019/050704 2018-10-15 2019-08-27 Slow closing damper assembly for lids and handles WO2020101608A2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
TR2018/15242 2018-10-15
TR201815242 2018-10-15

Publications (2)

Publication Number Publication Date
WO2020101608A2 true WO2020101608A2 (en) 2020-05-22
WO2020101608A3 WO2020101608A3 (en) 2020-07-23

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ID=70730572

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Application Number Title Priority Date Filing Date
PCT/TR2019/050704 WO2020101608A2 (en) 2018-10-15 2019-08-27 Slow closing damper assembly for lids and handles

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Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4370590B2 (en) * 1998-10-26 2009-11-25 トックベアリング株式会社 Rotating damper
US6464052B1 (en) * 2002-02-13 2002-10-15 Chun-Sung Hsiao Rotatable hydraulic damper
DE112009005332B4 (en) * 2009-10-28 2013-11-07 Zhifang Liu damping mechanism
WO2012095017A1 (en) * 2011-01-14 2012-07-19 漳州威迪亚卫浴有限公司 Damping structure
CN103527027B (en) * 2013-09-18 2015-12-30 陈朝朗 Adjustable torsion rotary damper

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Publication number Publication date
WO2020101608A3 (en) 2020-07-23

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