EP2873793A1 - Ferme-porte - Google Patents

Ferme-porte Download PDF

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Publication number
EP2873793A1
EP2873793A1 EP20140192395 EP14192395A EP2873793A1 EP 2873793 A1 EP2873793 A1 EP 2873793A1 EP 20140192395 EP20140192395 EP 20140192395 EP 14192395 A EP14192395 A EP 14192395A EP 2873793 A1 EP2873793 A1 EP 2873793A1
Authority
EP
European Patent Office
Prior art keywords
door closer
piston
housing
carriage
output shaft
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.)
Withdrawn
Application number
EP20140192395
Other languages
German (de)
English (en)
Inventor
Volker Bienek
Stephan Gosch
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
Publication of EP2873793A1 publication Critical patent/EP2873793A1/fr
Withdrawn legal-status Critical Current

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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
    • E05F1/00—Closers or openers for wings, not otherwise provided for in this subclass
    • E05F1/08—Closers or openers for wings, not otherwise provided for in this subclass spring-actuated, e.g. for horizontally sliding wings
    • E05F1/10—Closers or openers for wings, not otherwise provided for in this subclass spring-actuated, e.g. for horizontally sliding wings for swinging wings, e.g. counterbalance
    • E05F1/1041—Closers or openers for wings, not otherwise provided for in this subclass spring-actuated, e.g. for horizontally sliding wings for swinging wings, e.g. counterbalance with a coil spring perpendicular to the pivot axis
    • E05F1/105—Closers or openers for wings, not otherwise provided for in this subclass spring-actuated, e.g. for horizontally sliding wings for swinging wings, e.g. counterbalance with a coil spring perpendicular to the pivot axis with a compression spring
    • 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 RELATING TO HINGES OR OTHER SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS AND DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION, CHECKS FOR WINGS AND WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
    • E05Y2201/00—Constructional elements; Accessories therefore
    • E05Y2201/10—Covers; Housings
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05Y—INDEXING SCHEME RELATING TO HINGES OR OTHER SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS AND DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION, CHECKS FOR WINGS AND WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
    • E05Y2600/00—Mounting or coupling arrangements for elements provided for in this subclass
    • E05Y2600/40—Mounting location; Visibility of the elements
    • E05Y2600/45—Mounting location; Visibility of the elements in or on the fixed frame
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05Y—INDEXING SCHEME RELATING TO HINGES OR OTHER SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS AND DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION, CHECKS FOR WINGS AND WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
    • E05Y2600/00—Mounting or coupling arrangements for elements provided for in this subclass
    • E05Y2600/40—Mounting location; Visibility of the elements
    • E05Y2600/46—Mounting location; Visibility of the elements in or on the wing
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05Y—INDEXING SCHEME RELATING TO HINGES OR OTHER SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS AND DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION, CHECKS FOR WINGS AND WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
    • E05Y2800/00—Details, accessories and auxiliary operations not otherwise provided for
    • E05Y2800/45—Manufacturing
    • E05Y2800/46—Injection moulding
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05Y—INDEXING SCHEME RELATING TO HINGES OR OTHER SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS AND DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION, CHECKS FOR WINGS AND WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
    • E05Y2800/00—Details, accessories and auxiliary operations not otherwise provided for
    • E05Y2800/67—Materials; Strength alteration thereof
    • E05Y2800/682—Strength alteration by reinforcing, e.g. by applying ribs
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05Y—INDEXING SCHEME RELATING TO HINGES OR OTHER SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS AND DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION, CHECKS FOR WINGS AND WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
    • E05Y2900/00—Application of doors, windows, wings or fittings thereof
    • E05Y2900/10—Application of doors, windows, wings or fittings thereof for buildings or parts thereof
    • E05Y2900/13—Application of doors, windows, wings or fittings thereof for buildings or parts thereof characterised by the type of wing
    • E05Y2900/132—Doors

Definitions

  • the present invention relates to a overhead door closer for actuating a door leaf. Furthermore, a door closer assembly comprising the overhead door closer is provided.
  • the overhead door closer is attached to the door leaf, the wall or the frame.
  • the power transmission of the output shaft of the overhead door closer is done with a lever.
  • a lever is mounted, which is connected at one end to the output shaft of the overhead door closer and connected to the other end with the frame, in particular a slide rail on the frame.
  • the overhead door closer can also be attached to the wall or frame.
  • the lever transmits the power from the output shaft to the door leaf.
  • floor door closers are arranged in the floor, under, or next to the door leaf. In this case, a cranked door lever is used with a supporting function.
  • the axis of rotation of the door leaf is coaxially connected to the output shaft of the bottom door closer. Furthermore, there are door drives in which the opening and / or closing direction of the door leaf is actuated hydraulically and / or electrically. Door drives are here also understood as so-called servo door closers, which support the manual opening operation of the door leaf and / or electrically or hydraulically bias the closing spring.
  • a overhead door closer comprising a housing, a rotatably mounted in the housing output shaft with a cam and a flap carriage.
  • the flap carriage has two rotatably mounted in the flap carriage pressure rollers. These two pressure rollers roll on each side of the cam.
  • the cam is eccentric with respect to the output shaft.
  • a rotational movement of the output shaft can be converted via the cam disc and the pressure rollers in a linear movement of the flap carriage.
  • a linear movement of the flap carriage on the pressure rollers and the cam is converted into a rotational movement of the output shaft.
  • a linearly guided piston is provided in the housing. The piston is connected via a piston rod with the flap carriage.
  • a closing spring is arranged in the housing, which is supported on the side facing the flap of the piston on the piston.
  • the closing spring is thus located between the piston and the output shaft.
  • the output shaft is rotated.
  • the closer spring is compressed. After entering the door, the closer spring can relax again and thus move the piston, the piston rod and the flap carriage in the opposite direction linear, so that the door leaf is closed via the output shaft.
  • the two pressure rollers are usually stored directly in the associated piston. These pistons in turn are linearly movable in the housing. This has the disadvantage that the support of the transverse forces, via these the pressure rollers receiving piston, very close to the force application point, namely the output shaft is located. As a result, prior art arrangements required the guide surfaces for these pistons to be extremely precise, hard and durable.
  • the pressure rollers are mounted in the flap carriage and the flap carriage is connected via the piston rod to the piston. As a result, the piston, which is far away from the force application point, namely the output shaft, linearly guided. This has the consequence that the transverse forces acting on the piston are smaller and thus the linear guidance of the piston can be made simpler.
  • the closing spring is supported on the side of the piston facing the flap carriage.
  • the efficiency-increasing reduction of the transverse forces is preferably provided for the construction with flap carriage, piston rod and large lid.
  • flap carriage, piston rod and large lid are preferably provided for the construction with flap carriage, piston rod and large lid.
  • the possibility for a favorable design of the housing made of injection molded parts, including plastic, is possible.
  • the flap carriage does not touch the housing and is guided only by at least one of the two pressure rollers and the piston rod and the axis.
  • the tab truck is compared to the cam axis, not the housing, another guide of the flap carriage in the form of a slot provided.
  • the housing comprises an opening and a lid closing the opening, wherein in the cover the output shaft is mounted at least on one side and wherein the entire flap carriage with the cam axis via the opening in the housing can be used. So there is a complete assembly of the flap carriage over the opening. The dimensioning of the opening and the lid is thus adapted to the flap carriage.
  • the tab carriage can be mounted outside the housing and inserted over the opening. This is not one Opening and a lid on the front side of the housing, but it is particularly preferably also the output shaft stored in the lid. The lid thus has a breakthrough in which the output shaft is inserted.
  • the housing consists of injection-molded, low-strength material (for example: aluminum die-cast, plastic or die-cast zinc) with inserted metal elements.
  • the housing is inexpensive, with little or no subsequent machining, produced. Due to the lower housing loads due to the mechanical structure according to the invention, low-resistance materials can be used.
  • the metal elements are inserted in particular at the points where a precise storage of components and / or a wear-resistant frictional contact between components is necessary.
  • the guide surface of the piston is reinforced in the housing by inserted metal elements. For this purpose, either a socket or parallel metal strips are miteingegossen in the injection-molded housing.
  • both the main body of the housing and the large lid described above are made of low-strength material.
  • the output shaft metal bearing elements can be miteingegossen or used later.
  • hydraulic valves are screwed into the housing.
  • the inserts can be post-machined after inserting.
  • the closing spring is supported against a shoulder in the housing, said shoulder being positioned between the output shaft and the piston.
  • the Closing spring is thus supported with one end against the shoulder and with the other end against the piston.
  • the piston rod is preferably rotatably connected to the piston.
  • the connection between the piston rod and the flap carriage is rigid.
  • either parts of the flap carriage and the piston rod are made integral with each other or the piston rod and the tab carriage are bolted together.
  • the entire space in the housing from the tab carriage to the piston is freely continuous and in particular is not broken by partitions.
  • the piston rod is therefore not passed through a partition wall, but extends freely from the flap carriage to the piston.
  • this room is in particular also the closing spring. So there are only two rooms especially in the whole housing.
  • the one large space extends from the flap car to the flap carriage side facing the piston.
  • On the other side of the piston may be another, small space in which hydraulic oil is located for closing damping.
  • the flap carriage is preferably produced integrally with the piston rod, that is, this is a jointly manufactured component.
  • the flap carriage comprises at least one carrier element. On this carrier element both pressure rollers are mounted.
  • This support member is preferably made integral with the piston rod or a part of the piston rod.
  • the flap truck and piston rod can be rigidly connected to each other.
  • tabbed cars and piston rod are screwed. The axes of Screwing extend either parallel to the output shaft or perpendicular to the output shaft.
  • the cover over which the flap carriage is preferably mounted is so large that the entire flap carriage, including the output shaft, can be inserted over the opening. Furthermore, the opening and the lid are dimensioned so that the screw connection, in particular with a screwing axis parallel to the output shaft, is accessible to the connection of the flap carriage and piston rod via this opening.
  • this screw with a screw axis parallel to the output shaft can also be provided a perpendicular to the output shaft extending threaded bolt on the flap.
  • the flap carriage is mounted with this threaded bolt from above the opening here.
  • the piston rod together with the piston is introduced via an end opening in the housing and bolted to the threaded bolt, which extends perpendicularly to the output shaft.
  • the invention further includes a door closer assembly having a top door closer just described, a lever and a slide rail.
  • One end of the lever is rotatably connected to the output shaft and the other end of the lever is guided linearly movable in the slide rail.
  • the overhead door closer is fastened either to a wall, a frame or directly to the door leaf.
  • Fig. 1 shows four different views of the overhead door closer 1 according to the first embodiment.
  • the overhead door closer 1 comprises a housing 2 with a main body 3 and a lid 4.
  • the main body 3 and the lid 4 are produced by injection molding.
  • an output shaft 5 is rotatably mounted in the cover 4 and in the main body 3, at one end of the output shaft 5 is a polygon 6.
  • a lever or a rod rotatably connected to the output shaft.
  • On the output shaft 5 is rotatably seated a cam plate. 7
  • a flap carriage 8 In the interior of the housing 3, a flap carriage 8 is arranged. This flap-type carriage 8 has no direct contact or guidance with respect to the housing 2.
  • the flap-type carriage 8 comprises two parallel carrier elements 9. Between these two carrier elements 9, two pressure rollers 11 are rotatably mounted via pressure roller bolts 10. In each case one of the pressure rollers 11 is located on one side of the cam disc 7. The two pressure rollers 11 roll on the cam plate 7 from.
  • a piston 14 is guided linearly movable.
  • the piston 14 is connected via a piston rod 12 fixed to the flap carriage 8.
  • a screw 13 formed with two individual screws parallel to the output shaft 5, is provided.
  • the connection between piston rod 12 and piston 14 via a bolt 15. This compound is rotatable about the bolt 15 in a certain margin.
  • a closing spring 16 is arranged between the piston 14 and a shoulder 17 in the housing 2.
  • the closing spring 16 is formed as a spiral spring. It is supported at one end against the shoulder 17 and at the other end against the piston 14.
  • a guide surface 18 is defined. On this guide surface 18, the piston 14 moves.
  • the front view on the left in Fig. 1 two valve seats 20.
  • the valve seats 20 and / or the guide surface 18 may be designed as metal insert elements in the housing 3.
  • the guide surface 18 is formed, for example, as a metal bush or as extending in the longitudinal direction metal strip.
  • the shows Fig. 1 One of the bearings 19 is located in the lid 4, the other bearing 19 is located in the main body 3 of the housing 2. These bearings can be made as metal inserts during injection molding. Alternatively, it is possible to subsequently insert the elements of these bearings 19 in the components produced by injection molding.
  • Fig. 1 further shows a longitudinal axis 21 of the overhead door closer 1. Along this longitudinal axis 21, the flap length 22 is measured. Also parallel to the longitudinal axis 21, the opening length 24 of an opening 23 is measured. This opening 23 is closed by means of the cover 4. The opening length 24 is greater than the tab carriage length 22, so that the preassembled tab carriage 8 can be mounted via the opening 23.
  • the cover covering the axle space 4 the completely preassembled flap carriage 8 can be mounted in the housing 2 or in the base body 3 and connected rigidly to the piston rod 12.
  • the complete pre-assembly of the flap carriage 8 together with the output shaft 5 allows a very narrow design and thus the suitability and use in overhead door closers or integrated door closers.
  • This width 32 is finally in connection with the required movement and play a suitable housing wall thickness, the total width of the overhead door closer 1 before.
  • a very small width 32 is selected here so that the overhead door closer 1 can also be integrated directly into the door leaf.
  • Fig. 2 shows in the lower part of individual components of the overhead door closer 1.
  • Individual components of a door closer according to the prior art are shown.
  • the advantageous embodiment of the overhead door closer 1 according to the invention can be explained.
  • Much is the large distance of the piston 14 of the force application point, namely the output shaft 5. Measured here from the center of the piston 14 to the center of the output shaft 5.
  • the distance is in Fig. 2 indicated by the reference numeral 25.
  • the representation of the prior art in Fig. 2 in that the piston 14 with the pressure roller 11 is located considerably closer to the output shaft 5.
  • the overhead door closer shown in the prior art shows a piston 14, which is mounted with the included pressure roller 11 directly in the housing near the output shaft 5.
  • a generation of the moments within the components is achieved by multiple functions.
  • the housing 2 becomes clear less load, which greatly reduces surface pressure, friction, wear and loss of efficiency.
  • a cost-effective housing advantageously produced by injection molding, can be realized.
  • a rigid connection is made possible by the series arrangement of the piston rod 13, which requires only a narrow space.
  • Fig. 2 shows how the transverse load to be supported via the piston 14 can be introduced by means of the piston rod 12 far away from the force introduction point into the housing.
  • the associated large lever arm allows small support forces and thus a lower friction and a higher efficiency at the guide surface 18.
  • the internal lever system consisting of piston rod 12 and 8 flap carriage, the support of the lateral force in the housing 2 by a multiple, compared to the prior Technology, reduced and thus reduces friction losses and wear.
  • the housing 2 must take less leadership functions and can thus be made cheaper.
  • the torques required for the door control on the output shaft 5 and thus the internally occurring forces are much lower than, for example, in a floor-type door closer.
  • the axis of rotation of the door leaf is connected directly, coaxially with the output shaft.
  • a linkage is connected to the overhead door closer 1 on the polygon 6, so that the eventual load in the overhead door closer 1 fails less.
  • the housing 2 of the overhead door closer 1 according to the invention cheaper, for example, made of plastic, zinc die-cast or die-cast aluminum, and it is sufficient if, for example, the guide surfaces 18 are reinforced by metal inserts.
  • the embodiment shown is suitable for overhead door closer, especially for those who are very slim and thus can even be integrated into the door itself.
  • Fig. 3 shows the overhead door closer 1 according to the first embodiment in the assembled state.
  • the overhead door closer 1 is mounted on the door leaf 26.
  • On the frame 27 is a slide 28.
  • On the output shaft 5, a lever 29 is rotatably mounted. The other end of the lever 29 slides in the slide rail 28th
  • Fig. 4 shows a second embodiment of the overhead door closer 1.
  • the tab carriage 8 comprises only a support member 9.
  • the pressure rollers 11 are mounted on the pressure roller pin 10.
  • the carrier element 9 is manufactured integrally with the piston rod 12. This is preferably a milled part which represents both the piston rod 12 and the carrier element 9 of the flap carriage 8.
  • the output shaft 5 can be retrofitted with the cam plate 7 from the top of the housing.
  • the housing cover 4 can be much smaller, for example, as a round part, running.
  • Fig. 5 shows a third embodiment of the overhead door closer 1. Also in the third embodiment, the single support member 9 is integrally made with the piston rod 12. Here is a common sheet metal bending part, which represents the piston rod 12 and the support member 9 of the flap carriage 8. Again, the Output shaft 5 are mounted with the cam 7 subsequently from the top of the housing.
  • the housing cover 4 can be much smaller, for example, as a round part, running.
  • Fig. 6 shows a fourth embodiment of the overhead door closer 1. Shown is a threaded bolt 30 on the tab carriage 8. The threaded bolt 30 extends in the longitudinal direction 21. On this threaded bolt 30, the piston rod 12 is screwed. The piston rod 12 is still in the FIG. 6 to mark.
  • Fig. 7 shows a fifth embodiment of the overhead door closer 1.
  • the threaded bolt 30 comprises an eye 31.
  • This eye 31 of the threaded bolt 30 is connected to the tab carriage 8, in particular screwed.
  • the threaded bolt 30 extends in the longitudinal direction 21.
  • the piston rod 12 is screwed.
EP20140192395 2013-11-13 2014-11-07 Ferme-porte Withdrawn EP2873793A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE201310112453 DE102013112453A1 (de) 2013-11-13 2013-11-13 Obentürschließer

Publications (1)

Publication Number Publication Date
EP2873793A1 true EP2873793A1 (fr) 2015-05-20

Family

ID=51866085

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20140192395 Withdrawn EP2873793A1 (fr) 2013-11-13 2014-11-07 Ferme-porte

Country Status (4)

Country Link
US (1) US20150128379A1 (fr)
EP (1) EP2873793A1 (fr)
CN (1) CN104631989A (fr)
DE (1) DE102013112453A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2023004877A1 (fr) * 2021-07-28 2023-02-02 箭牌家居集团股份有限公司 Dispositif de fermeture de porte

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Publication number Priority date Publication date Assignee Title
CN105370127B (zh) * 2015-08-07 2017-02-01 佛山市奥达金属制品有限公司 具有开门延时的地弹簧
EP3475509B1 (fr) * 2016-06-27 2021-12-15 D&D Group Pty Ltd Mécanisme de charnière et système de charnière

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GB2244759A (en) * 1990-05-17 1991-12-11 Jebron Ltd Door closing device
US5829097A (en) * 1996-05-24 1998-11-03 Jackson Corporation Hold open control for a door closer
WO2006066665A1 (fr) * 2004-12-17 2006-06-29 Dorma Gmbh + Co. Kg Entraînement de porte, notamment de porte pivotante
DE202008008921U1 (de) * 2008-07-03 2008-09-04 Dorma Gmbh + Co. Kg Kunststofftürschließer mit eingelegten Metallteilen

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DE102004061626B4 (de) * 2004-12-17 2008-09-11 Dorma Gmbh + Co. Kg Türantrieb, insbesondere Drehtürantrieb
DE102004061627B4 (de) * 2004-12-17 2007-02-01 Dorma Gmbh + Co. Kg Türschließer
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Publication number Priority date Publication date Assignee Title
GB2244759A (en) * 1990-05-17 1991-12-11 Jebron Ltd Door closing device
US5829097A (en) * 1996-05-24 1998-11-03 Jackson Corporation Hold open control for a door closer
WO2006066665A1 (fr) * 2004-12-17 2006-06-29 Dorma Gmbh + Co. Kg Entraînement de porte, notamment de porte pivotante
DE202008008921U1 (de) * 2008-07-03 2008-09-04 Dorma Gmbh + Co. Kg Kunststofftürschließer mit eingelegten Metallteilen

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2023004877A1 (fr) * 2021-07-28 2023-02-02 箭牌家居集团股份有限公司 Dispositif de fermeture de porte

Also Published As

Publication number Publication date
DE102013112453A1 (de) 2015-05-13
US20150128379A1 (en) 2015-05-14
CN104631989A (zh) 2015-05-20

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