CN104343306A - Slider element, assembly method for a guiding device and guiding device - Google Patents
Slider element, assembly method for a guiding device and guiding device Download PDFInfo
- Publication number
- CN104343306A CN104343306A CN201410379609.4A CN201410379609A CN104343306A CN 104343306 A CN104343306 A CN 104343306A CN 201410379609 A CN201410379609 A CN 201410379609A CN 104343306 A CN104343306 A CN 104343306A
- Authority
- CN
- China
- Prior art keywords
- slider component
- snap
- fit part
- support region
- lead arm
- 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.)
- Granted
Links
- 238000000034 method Methods 0.000 title claims abstract description 25
- 230000005489 elastic deformation Effects 0.000 claims description 13
- 239000000463 material Substances 0.000 description 8
- 238000004519 manufacturing process Methods 0.000 description 6
- 239000004033 plastic Substances 0.000 description 5
- 229920003023 plastic Polymers 0.000 description 5
- 238000009434 installation Methods 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 238000005461 lubrication Methods 0.000 description 2
- 239000003921 oil Substances 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 229920001169 thermoplastic Polymers 0.000 description 2
- 239000004416 thermosoftening plastic Substances 0.000 description 2
- 230000001419 dependent effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000010720 hydraulic oil Substances 0.000 description 1
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
- E05F3/22—Additional arrangements for closers, e.g. for holding the wing in opened or other position
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05D—HINGES OR SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS
- E05D7/00—Hinges or pivots of special construction
- E05D7/10—Hinges or pivots of special construction to allow easy separation or connection of the parts at the hinge axis
- E05D7/1044—Hinges or pivots of special construction to allow easy separation or connection of the parts at the hinge axis in an axial direction
- E05D7/1055—Hinges or pivots of special construction to allow easy separation or connection of the parts at the hinge axis in an axial direction with snap-fitted pins
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05D—HINGES OR SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS
- E05D5/00—Construction of single parts, e.g. the parts for attachment
- E05D5/10—Pins, sockets or sleeves; Removable pins
- E05D5/12—Securing pins in sockets, movably or not
- E05D5/125—Non-removable, snap-fitted pins
-
- 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
- E05Y2201/708—Sliders
-
- 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
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Slide Fasteners (AREA)
- Bearings For Parts Moving Linearly (AREA)
Abstract
The invention relates to a slider element (10) for a sliding channel (110) of a guiding device (100) of a door closer, comprising at least two sliding surfaces (12) to contact respective channel surfaces (112) of the sliding channel (110), further comprising one bearing area (20) for rotational bearing of a guiding arm (120) of the guiding device (100), wherein the bearing area (20) comprises at least one snap fit section (22) for snap fit assembly with the guiding arm (120). The invention relates to an assembly method for a guiding device (100) of a door closer and a guiding device (100) of a door closer.
Description
Technical field
The present invention relates to a kind of slider component of the sliding channel for guiding device, a kind of assembly method of door closer guiding device and a kind of guiding device for door closer.
Background technology
It is known that door comprises so-called door closer.After door capable of being opened, at further step, carry out self-closing doors by using door closer.This door closer generally includes lead arm and guiding or sliding channel.Be configured to the slider component be placed in sliding channel and comprise support region, for carrying out swivel bearing to the lead arm of guiding device.Therefore, it is possible to carried out the sliding motion of closing motion slider component in sliding channel of guiding door relative to the corresponding rotary motion of slider component by lead arm.
A shortcoming of usually known slider component is the complexity of installing slider component.The known assembly method for guiding device comprises step slider component being inserted into sliding channel, and in the second step lead arm is arranged on the support region place of slider component.This installation steps are implemented by using the retaining element of such as screw-type.Therefore, lead arm being arranged on slider component place needs cost screw to be fixed on the corresponding time of corresponding position.In addition, slider component provides and is configured to the corresponding internal thread corresponding to the external screw thread of screw, this is also disadvantageous.Typical material for slider component is plastic material.Sometimes the fact of the rigidity of the necessity for this internal thread is not possessed, so it is disadvantageous for comprising internal thread at this plastic material due to plastic material.Therefore, such danger can occur, the removal force namely produced by the corresponding internal thread destroying slider component causes the disengaging of the retaining element of screw-type.
Summary of the invention
Target of the present invention is the problem solving usually known slider component, guiding device and corresponding assembly method.Especially, target of the present invention is, reduces the cost of the assembling of slider component and guiding device, particularly reduces the assembly cost of slider component and guiding device in easy mode.
The problems referred to above, by having the slider component of the feature of independent claims 1, are had the assembly method of the feature of independent claims 10 and are solved by the guiding device of the feature with independent claims 11.Dependent claims, manual and drawings describe other characteristic sum details of the present invention.About the characteristic sum details that this slider component of the present invention is discussed, relate to this assembly method of the present invention and this guiding device of the present invention equally and make it can relate to disclosing of each single inventive aspect on the contrary.
Slider component of the present invention is used for the sliding channel of the guiding device of door closer.This slider component comprises at least two slidingsurfaces with the corresponding channel surface of contact slide passage.In addition, slider component comprises a support region, for carrying out swivel bearing to the lead arm of guiding device.The feature of slider component of the present invention is, support region comprises for being clasped at least one snap-fit part assembled with lead arm.
Compared to usually known slider component, the assembly method of slide block and lead arm can be implemented by the motion that is clasped now.Compared to using the retaining element of screw-type, adopting the assembly method that is clasped sooner and more safely implementing.The method does not relate to for the pre-qualified of retaining element and the installing force of necessity, and just needs enforcement to be clasped motion.Therefore, receive the swivel bearing of lead arm at support region place in safer mode.
In addition, snap-fit is used to assign to realize and being clasped to assemble and allowing with simpler and easy and have the production that cost-benefit mode carries out slider component of lead arm.Especially, plastic material or thermoplastic can be such as used to produce slider component in Shooting Technique.This makes the mode of production of slider component simple and easy and cost efficient.
Especially, slider component is formed by single body, and this single body forms all different functional areas.Especially, slidingsurface and support region.Therefore, whole slider component is produced with single body by single material especially.
Support region and slidingsurface are arranged at interval.Especially, two slidingsurfaces are arranged parallel to each other, and at least one snap-fit part described comprises the axis that is clasped, and this axis configurations that is clasped becomes to be parallel to slidingsurface.
Being further characterized in that of slide block of the present invention, snap-fit part comprises at least one elastic component part, at least one elastic component part described elastically deformable between lead arm erecting stage.This causes the more easy production stage of at least one snap-fit part described.Described elastic component part can obtain its spring function from the material of slider component.Such as, the physical dimension of snap-fit part comprises elastic component part, makes the material parameter of snap-fit part allow the elastic deformation of elastic component part.Especially, the slider component produced with the even body of one can comprise such elastic component part.In addition, the even body of an one makes the cost of production of slider component reduce further.In assembling process, lead arm is placed on support region.In the position that is clasped moving to lead arm, period, makes support region be out of shape with elastic type by making elastic component partial elastic deformation.After lead arm has arrived the position that is clasped, the elastic force in elastic component part has made snap-fit part to rebound rapidly its home position, thus completes the process of being clasped.
Further advantageously, when the feature of slider component of the present invention is, it comprises the body forming at least one slidingsurface in slidingsurface and support region.As discussed in detail, so even body can be produced by simple and easy and cost-efficient mode.Especially, it can use plastics, and especially thermoplastic is produced during Shooting Technique.Therefore, slider component is also configured with low complex degree.The all different funtion part of slider component is all the part of single and uniform body.The cost benefit of this slider component caused further.
Further advantageously, when the feature of slider component of the present invention is, support region comprises at least two snap-fit part, and wherein said snap-fit part is separated from one another by gap at least in part.Comprise the elastic deformation that at least two snap-fit part make likely to reduce each in snap-fit part, and the same assembling campaign for lead arm provides enough elastic deformations.Gap is used to be make each in snap-fit part separated from one another very simple and easy and cost-efficient mode.Especially, gap comprises physical dimension, and this physical dimension is greater than or at least equals the necessary elastic movement on top of snap-fit part.Therefore, possible, during the installation step that is clasped, snap-fit part can to internal strain.After lead arm has arrived its position that is clasped, corresponding snap-fit part can rebound rapidly with elastic type, and therefore completes the motion that is clasped.During the motion process that is clasped, gap provides enough space to allow the skew that is clasped of each in snap-fit part.Especially, this gap is complete gap, and its top at support region extends between the bottom of snap-fit part.
Further advantageously, when the feature of slider component of the present invention is, support region is formed in rotationally symmetrical fashion.Because support region is formed into the fact for carrying out swivel bearing to lead arm, so the Rotational Symmetry mode of support region relates to the rotary motion of lead arm.Therefore, the rotary motion of lead arm directly can be carried out at support region place.Therefore, support region can be used in directly or non-direct contact lead arm.The other element avoided between lead arm and support region can be constructed by the Rotational Symmetry of support region.Such as, support region is configured to comprise the physical dimension of at least general cylindrical.
Further it is possible that the feature of slider component of the present invention is that all snap-fit part are formed as identical or almost identical.This makes all snap-fit part have the almost identical motion that is clasped.Between the erecting stage of lead arm, thus each snap-fit part comprises almost identical skew and the thus almost identical elastic deformation of being clasped.This causes the motion that is clasped of the symmetrical of lead arm.By such geometric expression of each in snap-fit part avoid lead arm in that in the assembly step be forced to.In addition, this comprises the easy means manufacturing all snap-fit part, and therefore includes cost-benefit production possibility.
Further it is possible that the feature of slider component of the present invention is, support region comprises supporting element, and this supporting element is detachable from slider body, and this supporting element comprises at least one snap-fit part described.This is the particular embodiment of the present invention.Such as by comprising the retaining element of the separation of at least one snap-fit part described, supporting element is detachable.Compared to usually known slider component, the retaining element of this supporting element form is not the screw for thread contact or Screw assembly, but a part for the assembling that is clasped discussed in detail above.After lead arm is placed in support region, this supporting element can be placed on the top of lead arm, and therefore lead arm be fixed on and be clasped in position.Snap-fit part therefore, it is possible to be clasped with the corresponding contact surface of support region contacts.Supporting element is such as configured to the thing of lid or similar lid, therefore lead arm to be fixed on and to be clasped in position by the top being placed on support region.This can realize in conjunction with sleeve especially, and this sleeve comprises the swivel bearing of lead arm relative to support region.
Further advantageously, when the feature of slider component of the present invention is, be provided with at least one potted component at support region place, for being sealed in the contact between lead arm and slider component.Especially, by utilizing fluid such as hydraulic oil to use sealing element.If there is the lubrication oil such as used in sliding channel, then sealing element avoids lubrication oil and enters into gap between snap-fit part, in other words in support region and lead arm.
Further advantageously, at least one snap-fit part described comprises at least one Assembly interface of the elastic deformation for snap-fit part.This Assembly interface can be used as the interface of erecting tools.Therefore, be easier to make snap-fit part elastic deformation, and therefore realize assembling and unloading process.Such as, this Assembly interface can comprise the recess of the part for introducing erecting tools.
Another target of the present invention is to provide the assembly method of the guiding device for door closer.This assembly method of the present invention comprises the steps:
The slider component with feature of the present invention is provided,
By impelling the elastic deformation of snap-fit part, lead arm is moved on support region,
By lead arm is moved on to its final position, impel snap-fit part to bounce back into its rigging position, complete the assembling that is clasped.
Owing to using slider component of the present invention, assembly method of the present invention comprises about the same advantage that slider component of the present invention discusses in detail.
Another target of the present invention is the guiding device for door closer, and this guiding device comprises sliding channel, slider component and lead arm.The feature of this guiding device of the present invention is, this slider component comprises according to feature of the present invention.Therefore, this guiding device of the present invention has about the same advantage that slider component of the present invention discusses in detail.
Accompanying drawing explanation
With reference to accompanying drawing, the present invention is discussed in detail.Accompanying drawing illustrates in a schematic way:
Fig. 1 illustrates the first embodiment of slider component of the present invention,
Fig. 2 with the embodiment of the Fig. 1 shown in top view,
Fig. 3 illustrates another embodiment of slider component of the present invention,
Fig. 4 with another embodiment of the slider component of the present invention shown in exploded view,
Fig. 5 with another embodiment of the slider component of the present invention shown in schematic cross section,
Fig. 6 illustrates another embodiment of slider component of the present invention, and
Fig. 7 is with the embodiment of the Fig. 6 shown in top view.
Detailed description of the invention
Fig. 1 and Fig. 2 illustrates the guiding device 100 of door closer of the present invention.It comprises sliding channel 110 and lead arm 120.Slider component 10 is provided with in sliding channel 110.Slider component 10 comprises two slidingsurfaces 12, and described slidingsurface 12 slides along the channel surface 112 of sliding channel 110.In addition, can see that slider component 10 comprises support region 20, described support region is used for carrying out swivel bearing to lead arm 120.During the medial movement of sliding channel 110, lead arm 120 can move in a rotative pattern around support region 20.
In figure 3, an embodiment of slider component 10 of the present invention is shown.Support region 20 is positioned at the top end of the even body 30 of slider component 10.This support region comprises two snap-fit part 22, and described two snap-fit part are configured to have physical dimension with cylindrical fashion.The central axis of these snap-fit part 22 is arranged to almost be parallel to slidingsurface 12.
These two snap-fit part 22 are each includes an elastic component part 24, and described elastic component part 24 makes whole snap-fit part 22 can inside elastic deformation.Two snap-fit part 22 are separated completely by gap 26.
During the installation installation step of lead arm 120, lead arm 120 is placed on the top of described two snap-fit part 22.Move down period in lead arm 120, described two snap-fit part 22 inwardly move, and dodge (give way) lead arm 120 thus.When lead arm 120 arrive its least significant end place be clasped position time, described two snap-fit part 22 can snap back its home position, and this completes and be buckled to fix.Especially, this can also understand by comparison diagram 5, and Fig. 5 illustrates slider component 10 with side cross-sectional view.
Fig. 4 illustrates another embodiment of slider component 10 of the present invention.In this special embodiment, support region 20 comprises the supporting element 28 of separation, and this supporting element 28 comprises snap-fit part 22.In addition, can see sleeve, this sleeve is placed on cylindrical bearing region 20.In a further step, lead arm 120 is placed around sleeve.In completing steps, the lid forming supporting element 28 is placed on lead arm 120 top, makes snap-fit part 22 and support region 20 carry out interior contact thus.Therefore, the process of being clasped is completed.
Fig. 6 and Fig. 7 illustrates another embodiment of slider component 10 of the present invention.Especially, this embodiment comprises recessed to each snap-fit part 22, and this is recessed is configured to form Assembly interface 23.User can use erecting tools and Assembly interface 23 to interact with geometric ways, and therefore makes snap-fit part 22 elastic deformation.Can more quickly, more simply and operate assembling process and unloading process in mode more easily.
The discussion of above accompanying drawing only describes the present invention in an illustrative manner.If the meaning of possessing skills, can the different characteristic of the different embodiment of independent assortment.
reference numerals list
10 slider components
12 slidingsurfaces
20 support regions
22 snap-fit part
23 Assembly interfaces
24 elastic component parts
26 gaps
28 supporting elements
30 bodies
100 guiding devices
110 sliding channels
112 channel surfaces
120 lead arm
Claims (11)
1. the slider component (10) of the sliding channel (110) of the guiding device for door closer (100), described slider component (10) comprises at least two slidingsurfaces (12) to contact the corresponding channel surface (112) of described sliding channel (110), described slider component (10) also comprises a support region (20) and carries out swivel bearing for the lead arm (120) to described guiding device (100), it is characterized in that, described support region (20) comprises at least one snap-fit part (22), assemble for carrying out being clasped with described lead arm (120).
2. slider component according to claim 1 (10), it is characterized in that, described snap-fit part (22) comprises at least one elastic component part (24), and described elastic component part (24) is carried out in described lead arm (120) can elastic deformation between erecting stage.
3. the slider component (10) according to any one in aforementioned claim, it is characterized in that, described slider component (10) comprises body (30), and described body (30) forms at least one slidingsurface in described slidingsurface (12) and described support region (20).
4. the slider component (10) according to any one in aforementioned claim, it is characterized in that, described support region (20) comprises at least two snap-fit part (22), and wherein said snap-fit part (22) is separated from one another at least in part by gap (26).
5. the slider component (10) according to any one in aforementioned claim, is characterized in that, described support region (20) is formed in Rotational Symmetry mode.
6. the slider component (10) according to any one in aforementioned claim, is characterized in that, all snap-fit part (22) are formed as identical or almost identical.
7. the slider component (10) according to any one in aforementioned claim, it is characterized in that, described support region (20) comprises supporting element (28), described supporting element (28) can be separated from the body of described slider component (10) (30), and described supporting element (28) comprises described at least one snap-fit part (22).
8. the slider component (10) according to any one in aforementioned claim, it is characterized in that, at least one potted component is provided with, for being sealed in the contact between described lead arm (120) and described slider component (10) at described support region (20) place.
9. the slider component (10) according to any one in aforementioned claim, it is characterized in that, described at least one snap-fit part (22) comprises at least one Assembly interface (23), for the elastic deformation of described snap-fit part (22).
10., for an assembly method for the guiding device (100) of door closer, described assembly method comprises the following steps:
Slider component according to any one in claim 1 to 9 (10) is provided,
By making snap-fit part (22) elastic deformation, lead arm (120) is moved in described support region (20) top,
Make described snap-fit part (22) bounce back in its rigging position by described lead arm (120) being moved in its final position, be clasped assembling.
11. 1 kinds of guiding devices for door closer (100), described guiding device (100) comprises sliding channel (110), slider component (10) and lead arm (120), it is characterized in that, described slider component (10) comprises the feature of any one in claim 1 to 9.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP13003860.7 | 2013-08-02 | ||
| EP13003860.7A EP2832947B1 (en) | 2013-08-02 | 2013-08-02 | Slider element, assembly method for a guiding device and guiding device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104343306A true CN104343306A (en) | 2015-02-11 |
| CN104343306B CN104343306B (en) | 2018-04-27 |
Family
ID=48979501
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410379609.4A Active CN104343306B (en) | 2013-08-02 | 2014-08-04 | Slider component, assembly method and guide device for guide device |
Country Status (2)
| Country | Link |
|---|---|
| EP (1) | EP2832947B1 (en) |
| CN (1) | CN104343306B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2438809Y (en) * | 2000-08-16 | 2001-07-11 | 林新达 | Closer for sliding door |
| DE202005015034U1 (en) * | 2005-09-22 | 2006-01-19 | Siegenia-Aubi Kg | Slider for a fitting |
| DE102005000195A1 (en) * | 2005-12-21 | 2007-06-28 | Siegenia-Aubi Kg | Fitting for window or door, has guide rail and sliding component which is guided in undercut profile groove of guide rail such that it is displaced longitudinally along adjustment axis |
| DE102007021979B3 (en) * | 2007-05-10 | 2008-08-07 | Hautau Gmbh | Sliding device for guiding in guide rail fastened to window frame has elastically flexible locking elements which automatically lock locking plate in locking position and in released position automatically block it against displacement |
| TW201303128A (en) * | 2011-07-08 | 2013-01-16 | Dorma Gmbh & Co Kg | Sliding component, in particular for a door closer |
-
2013
- 2013-08-02 EP EP13003860.7A patent/EP2832947B1/en active Active
-
2014
- 2014-08-04 CN CN201410379609.4A patent/CN104343306B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2438809Y (en) * | 2000-08-16 | 2001-07-11 | 林新达 | Closer for sliding door |
| DE202005015034U1 (en) * | 2005-09-22 | 2006-01-19 | Siegenia-Aubi Kg | Slider for a fitting |
| DE102005000195A1 (en) * | 2005-12-21 | 2007-06-28 | Siegenia-Aubi Kg | Fitting for window or door, has guide rail and sliding component which is guided in undercut profile groove of guide rail such that it is displaced longitudinally along adjustment axis |
| DE102007021979B3 (en) * | 2007-05-10 | 2008-08-07 | Hautau Gmbh | Sliding device for guiding in guide rail fastened to window frame has elastically flexible locking elements which automatically lock locking plate in locking position and in released position automatically block it against displacement |
| TW201303128A (en) * | 2011-07-08 | 2013-01-16 | Dorma Gmbh & Co Kg | Sliding component, in particular for a door closer |
Also Published As
| Publication number | Publication date |
|---|---|
| EP2832947B1 (en) | 2020-04-15 |
| EP2832947A1 (en) | 2015-02-04 |
| CN104343306B (en) | 2018-04-27 |
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