WO2008019720A1 - Ferme-porte automatique - Google Patents

Ferme-porte automatique Download PDF

Info

Publication number
WO2008019720A1
WO2008019720A1 PCT/EP2007/004483 EP2007004483W WO2008019720A1 WO 2008019720 A1 WO2008019720 A1 WO 2008019720A1 EP 2007004483 W EP2007004483 W EP 2007004483W WO 2008019720 A1 WO2008019720 A1 WO 2008019720A1
Authority
WO
WIPO (PCT)
Prior art keywords
coupling element
door closer
piston
snap ring
housing
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/EP2007/004483
Other languages
German (de)
English (en)
Inventor
Tim Wulbrandt
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.)
Dorma Deutschland GmbH
Original Assignee
Dorma Deutschland GmbH
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 Dorma Deutschland GmbH filed Critical Dorma Deutschland GmbH
Priority to EP07725391A priority Critical patent/EP2054576A1/fr
Priority to CN200780029658.3A priority patent/CN101501290B/zh
Publication of WO2008019720A1 publication Critical patent/WO2008019720A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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
    • 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
    • E05F3/10—Closers or openers with braking devices, e.g. checks; Construction of pneumatic or liquid braking devices with liquid piston brakes with a spring, other than a torsion spring, and a piston, the axes of which are the same or lie in the same direction
    • E05F3/104—Closers or openers with braking devices, e.g. checks; Construction of pneumatic or liquid braking devices with liquid piston brakes with a spring, other than a torsion spring, and a piston, the axes of which are the same or lie in the same direction with cam-and-slide transmission between driving shaft and piston within the closer housing
    • 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
    • E05Y2201/256—Fluid or viscous friction with pistons or vanes
    • 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
    • E05Y2201/264—Type of motion, e.g. braking linear
    • 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
    • E05Y2201/40—Motors; Magnets; Springs; Weights; Accessories therefor
    • E05Y2201/43—Motors
    • E05Y2201/448—Fluid motors; Details thereof
    • E05Y2201/456—Pistons
    • 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
    • E05Y2600/00—Mounting or coupling arrangements for elements provided for in this subclass
    • E05Y2600/50—Mounting methods; Positioning
    • E05Y2600/52—Toolless
    • E05Y2600/53—Snapping
    • 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
    • E05Y2800/00—Details, accessories and auxiliary operations not otherwise provided for
    • E05Y2800/20—Combinations of elements
    • 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
    • E05Y2800/00—Details, accessories and auxiliary operations not otherwise provided for
    • E05Y2800/20—Combinations of elements
    • E05Y2800/205—Combinations of elements forming a unit
    • 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
    • E05Y2900/10—Application of doors, windows, wings or fittings thereof for buildings or parts thereof
    • E05Y2900/13—Type of wing
    • E05Y2900/132—Doors

Definitions

  • the invention relates to a door closer.
  • a door closer is known to the person skilled in the art for example from EP 756 663 B1.
  • a flap carriage is integrated, which serves as a rotation / translation converter.
  • the basis for this is an eccentric Hubkurvenin, which is set by the movement of a door leaf in rotation.
  • the flap carriage has support and pressure rollers, between which the Hubkurvenin is arranged non-positively. This results in the rotational movement of the Hubkurvenin in a translational movement of the flap carriage.
  • this translation leads to charging of an energy store, such as a spring.
  • the stored energy allows the return movement of the flap carriage, which leads to a rotation of the Hubkurvenin and its associated drive axle. This rotation is used to close the door leaf.
  • the door closer disclosed in the aforementioned European patent has an energy store in the form of a compression spring.
  • the compression spring is supported on the one hand on a projection of the housing and on the other hand on a piston which is connected to the flap carriage.
  • the door closer has a drive axle, which is connected to a door leaf and rotatably mounted.
  • the drive axle is connected within the housing of the door closer with a lifting cam disc, which is arranged between at least one support means and at least one pressure means.
  • the HubkurvenITY is advantageously designed eccentric.
  • the support means and the pressure medium are mounted on the flap carriage.
  • a piston for damping which divides the filled with a pressure medium housing in two pressure chambers and in turn is connected to the tab carriage.
  • a spring is integrated in the housing, on the one hand cooperates with the piston and on the other hand with the housing.
  • the piston is advantageously designed in several parts.
  • the coupling element has a coupling element and an outer element, wherein the coupling element is mounted in a receptacle of the outer element at least partially positively.
  • the receptacle of the outer element and the outer surface of the coupling element each have at least one groove.
  • a snap ring is stored, which connects both elements.
  • the grooves are arranged so that the snap ring stores inaccessible after assembly within the piston.
  • the tab carriage and the spring are inserted from opposite sides into the housing.
  • the spring lies in a cylindrical bearing, one side of which is bounded by a projection of the housing. From the other side of the housing is introduced by the projection of the tab carriage.
  • This is inventively already connected to the coupling element. Its diameter is chosen so that it can be guided by both the projection and by the spring.
  • the outer element is inserted into the cylindrical bearing of the housing. When inserting the coupling element into the outer element, a snap ring connects the two elements with each other and thus forms the piston.
  • the spring can be preloaded simultaneously by mounting the outer and coupling elements.
  • the piston according to the invention allows a simple construction and a low-cost production of a door closer.
  • the connection between the coupling element and the flap carriage can be made before the integration of these elements into the housing.
  • a snap ring for coupling the outer element to the coupling element is a self-sufficient and automatic connection guaranteed.
  • the snap ring is so far inside the piston that it is no longer accessible from the outside. By this type of storage for a subsequent dismantling is no longer possible and on the other hand secures this arrangement the complete integration of the coupling element in the outer element.
  • the outer element Depending on the pressure medium with which the housing of the door closer is filled, the outer element must have different pressure medium passages. If the pressure medium is a liquid, such as oil or water, the valves integrated in the passages must have a different construction than if the pressure medium is a gas, such as air.
  • the outer element and the coupling element can be made of steel, stainless steel, cast iron or a plastic. The latter are to be preferred in particular when a gas is used as the pressure medium.
  • the tab carriage and the coupling element are designed in one piece.
  • the coupling element is cylindrical in shape, which guarantees a completely form-fitting mounting in the receptacle of the outer element.
  • the connection between coupling element and outer element is made via a snap ring.
  • the snap ring may consist of a spring steel, which is bent into a ring. However, it does not form a complete ring, but is partially cut open. This allows radial compression. If the snap ring is then relaxed, this leads to a radial expansion.
  • the snap ring may have a round, elliptical or rectangular cross section. Depending on the cross section different embodiments of the introduced into the two elements of the piston grooves are conceivable. With round cross-section snap rings, it has been found convenient to chamfer the opposite sides of the grooves.
  • the coupling element with a Ein Industriesfase, which ensures easy insertion of the coupling element in the receptacle of the outer element.
  • inclinations of 20 to 40 degrees, in particular from 25 to 35 degrees, based on the longitudinal axis of the coupling element have proven to be advantageous.
  • the outer element may also have a chamfer in the region of the receptacle. It acts as a kind of funnel to ensure easy insertion of the coupling element. Tilts of 5 to 15 degrees, in particular 8 to 12 degrees, have proved to be advantageous.
  • flap carriage and coupling element are connected by means of a piston pin. This is inserted through recesses in the coupling element and in the flap carriage.
  • the coupling element In order to prevent slipping out of the piston pin during use, the coupling element must be pushed into the receptacle of the outer element far enough that the flanks of the receptacle cover the piston pin at least partially. This ensures that the piston pin can not slip out of its guide. It is also conceivable to replace the piston pin by a rivet or a screw.
  • Fig. 2 a schematic representation of an inventive
  • FIG. 4 shows a cross section through the piston of Figure 2, wherein the coupling element is inserted into the outer member
  • 5a, b a schematic representation of an enlarged detail of possible design alternatives of the grooves of the coupling element and the outer element with inserted snap ring.
  • FIG. 1 shows a door closer 10 known from the prior art.
  • the door closer 10 has a housing 15, in which a flap carriage 25 is integrated. It has a recess 29 through which a drive axle 20 protrudes.
  • the drive axle 20 is connected to a door leaf (not shown here).
  • With the drive shaft 20 is an eccentric configured Hubkurvenin 22 is connected.
  • the connection can be a form and / or adhesion.
  • a movement of the door leaf leads to a rotation of the Hubkurvenin 22.
  • the Hubkurvenin 22 between three Stitz, Pressure means 23, 24 arranged. If the drive shaft 20 rotates counterclockwise, the cam disc 22 presses against one of the pressure means 24, which leads to a movement of the flap carriage 25 in the front region 16 of the housing 15.
  • the rear region 17 of the housing 15 is designed cylindrically.
  • a spring 28 which presses against a projection 18 of the housing 15 stores.
  • the tab carriage 25 penetrates the interior of the spiral spring 28 and is connected by means of a piston pin 31 with a piston 30.
  • the one-piece piston 30 divides the housing 15 into a first 26 and a second pressure chamber 27. Both spaces 26, 27 are filled with a pressure medium, such as oil or air.
  • An opening of the door leaf leads to a movement of the flap carriage 25 in the direction of the front portion 16 of the housing 15.
  • the spring 28 is compressed.
  • the force stored in the spring 28 is converted into a rotational movement of the drive axle 20.
  • the spring 28 is supported on the projection 18 of the housing 15 and pushes the piston 30 in the direction of the end of the housing 15.
  • the pressure means 24 rotate the Hubkurveninflammatory 22 in the clockwise direction.
  • the pressure medium stored in the second pressure chamber 27 is compressed by the piston 30.
  • pressure medium passages in the piston 30 the pressure medium from the second pressure chamber 27 enters the first pressure chamber 26.
  • the size of the volume flow of the pressure medium limits the return speed of the flap carriage 25 and consequently the closing speed of the door leaf.
  • the structure of the piston 30 according to the invention is shown in FIG.
  • the flap carriage 25 shown here only schematically has a piston pin 31, which serves for connection to the coupling element 40.
  • the coupling element 40 is designed cylindrical in the illustrated embodiment. However, as stated above, the door closer 10 according to the invention is not adapted to this shape. limits.
  • the coupling element 40 may also consist of a segment of a solid cylinder. It is crucial that this segment at least partially positively locking in a receptacle 51, which is shown in detail in Figure 3 and 4 stores.
  • the outer surface 41 of the coupling element 40 must at least partially have the same geometry as that of the receptacle 51 of an outer element 50.
  • a groove 42 is introduced in the coupling element 40.
  • the detonating ring 60 is mounted in this groove 42. It is therefore an outer snap ring which is pressed into the groove 42 during assembly in order then to expand again. As a result, the connection between coupling element 40 and outer element 50 is ensured.
  • both elements 40, 50 have lead-in chamfers, as illustrated in FIG.
  • the coupling element 40 has a Ein Industriesfase 43, which is attached to the outer member 50 facing side of the coupling element 40. It preferably has an inclination of 20 to 40 degrees, in particular 25 to 36 degrees with respect to the insertion axis of the coupling element 40 into the outer element 50.
  • the latter has a chamfer 53, which leads to a funnel-shaped widening of the receptacle 51. This ensures that in the case of an incompletely centered position of the plate carriage, the coupling element 40 can be easily and safely inserted into the receptacle 51.
  • the chamfer 53 has an inclination of 5 to 15 degrees, preferably 8 to 12 degrees relative to the common central insertion axis of coupling element 40 and outer element 50.
  • both in the outer member 50 and in the coupling element 40 grooves 42, 52 are introduced. They serve to accommodate the explosive ring 60.
  • the snap ring 60 is an outer snap ring.
  • the groove 42 in the coupling element 40 must be able to completely absorb the snap ring. Consequently, the groove 42 has a greater depth than the groove 52 in the outer member 50.
  • the depth of the groove 52 of the outer member 50 should be about half the diameter of the snap ring 60.
  • the groove 52 in the outer member 50 is deeper than the groove 42 in the coupling element 40.
  • the operating principle is then the same.
  • the snap ring 60 is then not preassembled on the coupling element 40, but in the groove 52 of the outer member 50.
  • the snap ring 60 is no longer compressed into the groove of the coupling element 40, but widened by this same coupling element 40 before it snaps into both grooves 42, 52.
  • a cylindrical incision 44 is introduced, which serves to support the piston pin 31.
  • the snap ring 60 is first widened upon insertion of the coupling element 40 in the outer member 50. As soon as the coupling element 40 has been pushed into the receptacle 51 so far that the snap ring 60 reaches the height of the groove, it again assumes its original diameter, as far as the dimension of the groove 42 permits.
  • the advantage of the invention can be illustrated.
  • the tab carriage 25 When mounting the door closer 10, the tab carriage 25 is inserted through the front portion 16 of the housing 15. The tab carriage 25 thereby passes the narrowed cross-section of the projection 18, on which the spring 28 is supported. The inner diameter of the projection 18 and the spring 28 are selected so that the coupling element 40 can be pushed therethrough.
  • behind the spring 28 insert the outer element 50 into the cylindrical configured area 17. In this case, a bias of the spring 28 can already be achieved.
  • the chamfers 43, 53 on the two elements of the piston 30 ensure easy assembly.
  • the snap ring 60 connects both elements together.
  • the spring 28 is enclosed within the housing 15 and can functionally cooperate on the one hand with the piston 30 and on the other hand with the housing 15.
  • FIG. 4 shows pressure medium passages 32, 33 which ensure a flow of the pressure medium between the two pressure chambers 26, 27.
  • the pressure medium passages 32, 33 results in a change in the return speed of the piston 30 and thus the closing speed of the door leaf.
  • several, in particular differently dimensioned, one-way valves can be installed in the pressure medium passages 32, 33.
  • the volume flow differs depending on the flow direction. In order to produce the lowest possible resistance by the overflow of the pressure medium when opening the door, the volume flow in this case should be as large as possible. If the flap carriage moves in the opposite direction - ie when closing the door - the target is as slow as possible, which requires a small volume flow.
  • the opening or closing of the door leaf leads to a movement of the piston 30 within the housing 15.
  • forces are introduced into the piston 30 via the tab carriage 25 and the piston pin.
  • a movement of the coupling element 40 leads in the outer member 50, shear forces act on the snap ring 60.
  • the groove 52 has a width which is greater than the width of the snap ring 60. Consequently, the coupling element 40 has a certain play within the receptacle 51.
  • the flap carriage 25 and the coupling element 40 can be moved without resulting movement of the outer element 50 results.
  • the snap ring 60 is mounted on an edge of the groove 52, a shear stress acting on it results. This is also illustrated by FIG.
  • FIG. 5a which shows a detail enlargement from FIG. 4 and, in particular, illustrates the mounting of the snap ring 60.
  • the snap ring 60 stores partially in both grooves 42, 52. If a force is introduced in the direction of the force arrow 70 by the flap carriage 25 in the coupling element 40, the snap ring 60 transmits this force in the outer member 50. The introduced force 70th counteracts the force of the spring 28, which is supported on the outer member 50. This counteracting force influences on the piston 30 results in a shearing force acting on the snap ring 60.
  • the snap ring 60 may have a round cross-section which bears self-lockingly on bevelled edges of the grooves 42, 52, which is illustrated in FIG. 5b.
  • the two grooves 42, 52 each have an edge 46, 56, which are aligned parallel to each other and have an angle of about 40-60 ° relative to the horizontal.
  • the illustrated arrangement ensures optimum introduction of the shear forces into the snap ring 60. The shear forces result in radial compression of the snap ring 60.
  • the snap ring 60 provided in the door closer 10 according to the invention can be both an outer and an inner snap ring.
  • the Jardinsprengring described in the embodiments is only to be considered as an example. Furthermore, it may have any cross section.
  • the invention is not limited to rectangular or beveled grooves.

Landscapes

  • Closing And Opening Devices For Wings, And Checks For Wings (AREA)
  • Lock And Its Accessories (AREA)

Abstract

L'invention concerne un ferme-porte (10) automatique comprenant un axe (20) d'entraînement qui peut être relié avec un battant de porte et qui est monté de manière à pouvoir tourner. Selon l'invention, l'axe (20) d'entraînement est relié à l'intérieur d'un boîtier (15) avec une came (22) d'excursion qui est disposée entre au moins un moyen (23) d'appui et au moins un moyen (24) de pression, le moyen (23) d'appui et le moyen (24) de pression se trouvent sur un chariot (25) à éclisse, un piston (30) d'amortissement est monté dans le boîtier (15) et le piston (30) divise en deux chambres (26, 27) de pression le boîtier (15) rempli d'un fluide comprimé et est relié avec le chariot (25) à éclisse avec un ressort (28) qui interagit d'un côté avec le piston (30) et de l'autre côté avec le boîtier (15). Selon l'invention, le piston (30) présente un élément (40) d'accouplement et un élément (50) externe et l'élément (40) d'accouplement repose au moins partiellement par engagement géométrique dans un logement (51) de l'élément (50) externe, le logement (51) et une surface (41) extérieure de l'élément (40) d'accouplement présentent des rainures (42, 52). Toujours selon l'invention, un circlip (60) relie l'élément (40) d'accouplement et l'élément (50) externe et il est disposé au moins partiellement dans les deux rainures (42, 52) de manière à reposer de manière inaccessible à l'intérieur du piston (30).
PCT/EP2007/004483 2006-08-14 2007-05-21 Ferme-porte automatique Ceased WO2008019720A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EP07725391A EP2054576A1 (fr) 2006-08-14 2007-05-21 Ferme-porte automatique
CN200780029658.3A CN101501290B (zh) 2006-08-14 2007-05-21 闭门器

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102006038110.6 2006-08-14
DE200610038110 DE102006038110B4 (de) 2006-08-14 2006-08-14 Türschließer

Publications (1)

Publication Number Publication Date
WO2008019720A1 true WO2008019720A1 (fr) 2008-02-21

Family

ID=38474354

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2007/004483 Ceased WO2008019720A1 (fr) 2006-08-14 2007-05-21 Ferme-porte automatique

Country Status (5)

Country Link
EP (1) EP2054576A1 (fr)
CN (1) CN101501290B (fr)
DE (1) DE102006038110B4 (fr)
TW (1) TW200829786A (fr)
WO (1) WO2008019720A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107138925A (zh) * 2017-07-11 2017-09-08 苏州市万雄机械制造有限公司 闭门器活塞的加工方法
KR101812506B1 (ko) 2016-03-23 2018-01-30 주식회사 화창기업 제연구역 내 도어클로저 폐쇄력 보조장치 및 이의 작동방법

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106193875A (zh) * 2016-09-13 2016-12-07 佛山市奥达金属制品有限公司 地弹簧
CN108443391A (zh) * 2018-05-22 2018-08-24 杨华富 一种弹簧组件及门

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2067657A (en) * 1980-01-16 1981-07-30 Dorma Baubeschlag Door closing means
GB2244759A (en) * 1990-05-17 1991-12-11 Jebron Ltd Door closing device

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1085287A (zh) * 1992-06-08 1994-04-13 李文铉 落地式门枢
DE19506220C2 (de) * 1995-02-22 1996-12-12 Dorma Gmbh & Co Kg Türschließer
DE19506355C2 (de) * 1995-02-23 1997-01-16 Dorma Gmbh & Co Kg Selbsttätiger Türschließer
CN2424286Y (zh) * 2000-05-31 2001-03-21 吉瑞发企业股份有限公司 关门器

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2067657A (en) * 1980-01-16 1981-07-30 Dorma Baubeschlag Door closing means
GB2244759A (en) * 1990-05-17 1991-12-11 Jebron Ltd Door closing device

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101812506B1 (ko) 2016-03-23 2018-01-30 주식회사 화창기업 제연구역 내 도어클로저 폐쇄력 보조장치 및 이의 작동방법
CN107138925A (zh) * 2017-07-11 2017-09-08 苏州市万雄机械制造有限公司 闭门器活塞的加工方法

Also Published As

Publication number Publication date
DE102006038110B4 (de) 2014-03-13
TW200829786A (en) 2008-07-16
CN101501290A (zh) 2009-08-05
CN101501290B (zh) 2013-06-12
TWI339703B (fr) 2011-04-01
EP2054576A1 (fr) 2009-05-06
DE102006038110A1 (de) 2008-02-21

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