CN109216073A - switch - Google Patents
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- Publication number
- CN109216073A CN109216073A CN201810585964.5A CN201810585964A CN109216073A CN 109216073 A CN109216073 A CN 109216073A CN 201810585964 A CN201810585964 A CN 201810585964A CN 109216073 A CN109216073 A CN 109216073A
- Authority
- CN
- China
- Prior art keywords
- switch
- flange part
- liquid
- light guide
- operation portion
- 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
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H13/00—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch
- H01H13/02—Details
- H01H13/04—Cases; Covers
- H01H13/06—Dustproof, splashproof, drip-proof, waterproof or flameproof casings
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H13/00—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch
- H01H13/02—Details
- H01H13/023—Light-emitting indicators
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H2219/00—Legends
- H01H2219/054—Optical elements
Landscapes
- Push-Button Switches (AREA)
- Switch Cases, Indication, And Locking (AREA)
Abstract
The present invention provides a kind of switch and switch unit that can prevent the inflow because of liquid from leading to irradiation deterioration in characteristics.Switch includes shell (20), has receiving portion (21) in inside；Button (30), include operation portion (31), at least part is exposed and to the external of shell (20) at least partially positioned at receiving portion (21), flange part (32), the end of receiving portion (21) side being set in the side (311) of operation portion (31) and extends to the direction that separates with operation portion (31)；Light guide (40), is configured at the inside of receiving portion (21)；Liquid invades preventing portion (50,60), it is configured adjacently with the outer surface (321) of flange part (32) or inner surface (322), prevents liquid from passing through between light guide (40) and flange part (32) and invade between light guide (40) and operation portion (31).
Description
Technical field
The present invention relates to a kind of push-button switch.
Background technique
Patent document 1 discloses push-button switch.The push-button switch includes pedestal, has the behaviour for being provided with opening portion
Make face；Plunger has the inside for being configured at pedestal and from opening portion to the external button protruded of shell, and can along with behaviour
Make the orthogonal direction in face to move back and forth；Switch main body, as the reciprocating movement of plunger is opened and closed；And light guide plate, configuration exist
Between plunger and switch main body.
Patent document 1: international publication number WO2010/092679 bulletin
However, for example, when cleaning the inside of elevator etc., there are liquid if using the switch as elevator switch
Body is attached to the case where switch.In this case, liquid is flowed along the outer surface of the button of the switch, because of capillary
Phenomenon and flow between plunger and light guide plate, irradiation characteristic may deteriorate as a result,.
Summary of the invention
Therefore, shell of the invention is, providing one kind can prevent the inflow because of liquid from leading to irradiation deterioration in characteristics
Switch and switch unit.
The switch of a technical solution of the invention,
It includes
Shell has receiving portion in inside, and has the operation aperture for being provided with and being connected to external and described accommodation section
The operating surface in portion,
Button, comprising: operation portion exposes and to the external of the shell at least partially positioned at the appearance at least partially
It receives portion, and can be moved back and forth along the operation direction intersected with the operating surface via the operation aperture portion；Flange part, if
It is placed in the end of the described accommodation section side on the operation direction in the side of the operation portion intersected with the operating surface,
And along it is described operation towards with the operation part from direction extend,
Light guide, the end of the described accommodation section side on the inside of described accommodation section and the operation direction of the button
Portion is configured adjacently, and
Liquid invade preventing portion and the flange part the outer surface opposite with the operating surface or the flange part with
The opposite inner surface of the light guide is configured adjacently, and prevents liquid from passing through between the light guide and the flange part described in intrusion
Between light guide and the operation portion.
In addition, the switch unit of a technical solution of the invention, comprising:
The switch of at least one technical solution；And
Panel is installed, there is the handle hole that can be inserted into for the operation portion,
The switch is with the operating position in the handle hole for installing panel and the flange part and the peace
It fills mode opposite around the handle hole of panel to be configured, and is installed on the installation panel.
According to the switch of the technical solution, there is liquid to invade preventing portion, which invades preventing portion and flange part
The inner surface opposite with light guide of the outer surface or flange part opposite with operating surface is configured adjacently.It is anti-by liquid intrusion
Stop can prevent liquid from passing through between light guide and flange part and invade between light guide and operation portion, so as to prevent because
The inflow of liquid leads to the deterioration of irradiation characteristic.
In addition, according to the switch unit of the technical solution, by the switch of the technical solution, even if it is contemplated that
Using the place (for example, elevator) of liquid, the switch unit that irradiation characteristic will not deteriorate also can be realized.
Detailed description of the invention
Fig. 1 is the perspective view with the switch unit of switch of first embodiment of the invention.
Fig. 2 is the perspective view of the state when installation panel of the switch unit of Fig. 1 is removed.
Fig. 3 is the cross-sectional view of the III-III line along Fig. 2.
Fig. 4 is the perspective view of the switch of first embodiment of the invention.
Fig. 5 is the enlarged drawing near the imbibition portion of Fig. 3.
Fig. 6 is the switch of second embodiment of the present invention near the sealing in the section of the III-III line of Fig. 2
Enlarged drawing.
Fig. 7 is imbibition portion and the sealing in the section of the III-III line along Fig. 2 of the switch of third embodiment of the present invention
Enlarged drawing near portion.
The explanation of appended drawing reference:
1 switch unit
10 switches
20 shells
21 receiving portions
211 bottom surfaces
22 operating surfaces
23 operation aperture portions
24 microswitches
30 buttons
31 operation portions
311 sides
32 flange parts
321 outer surfaces
40 light guides
401 surfaces
41 light source portions
42 recess portions
50 imbibition portions
60 sealings
100 installation panels
101 through-holes
102 gaps
Specific embodiment
In the following, being described with reference to embodiments of the present invention.In addition, in the following description, using as needed
Expression specific direction or the term (term including such as "upper", "lower", " right side ", " left side ", " end ", " side ") of position, but this
The use of a little terms is that technology model of the invention is limited not by these terms in order to be easy to understand invention referring to attached drawing
It encloses.In addition, in the following description, being substantially only exemplary, it is not intended to limitation the present invention, its applicable object or its
Using.Moreover, attached drawing is schematically, ratio of each size etc. is not necessarily consistent with actual size.
(first embodiment)
For example, as shown in Figure 1, the switch 10 of one embodiment of the present invention constitutes switch list with installation panel 100 together
Member 1.In the switch unit 1 of first embodiment, two switches 10 are respectively arranged in installation panel 100.
In detail, big with being penetrated through along its plate thickness direction as shown in Fig. 2, installing the plate in the form of a substantially rectangular of panel 100
Cause two through-holes 101 of rectangle.Each switch 10 is located at each through-hole 101 in the operation portion 31 of the button 30 of aftermentioned switch 10
In in the state of be installed on installation panel 100.
As shown in Fig. 2, an example of each switch 10 with liquid intrusion preventing portion between installation panel 100
The imbibition portion 50 of frame-shaped.In the first embodiment, the imbibition portion 50 of two switches 10 is integrally formed.
In addition, as shown in Figure 3 and Figure 4, each switch 10 includes shell 20, there is receiving portion 21 in inside；Button 30,
At least part is exposed and to the external of shell 20 at least partially positioned at receiving portion 21；And light guide 40, it is configured at receiving
Portion 21.
As shown in Figure 3 and Figure 4, the box-shaped of shell 20 in the form of a substantially rectangular is connected to being provided with external and receiving portion 21
Operation aperture portion 23 operating surface 22.
Button 30 is made of translucent material, and as shown in Figure 3 and Figure 4, which has the behaviour of approximately cuboid shape
Make portion 31 and is set to the flange part 32 of the end of 21 side of receiving portion of the operation portion 31.
As shown in figure 3, operation portion 31 is configured to, exposes at least partially to the outside of shell 20 and at least part is located at
Receiving portion 21, and can be via operation aperture portion 23 along the operation direction (that is, up and down direction of Fig. 3) intersected with operating surface 22
It moves back and forth.In addition, as shown in figure 3, the behaviour in the side 311 intersected with the operating surface 22 of operation portion 31 is arranged in flange part 32
The end for making 21 side of receiving portion on direction extends along operating surface 22 to the direction isolated with operation portion 31.Implement first
In mode, as shown in figure 4, the complete cycle of the side 311 of operation portion is arranged in flange part 32.
As shown in figure 3, light guide 40 is plate-like, and the receiving on the inside of receiving portion 21 and the operation direction of button 30
The end of 21 side of portion is configured adjacently.The peripheral side in the plate thickness direction of the light guide 40 in the inside of receiving portion 21 is (that is, and receiving portion
The side that 21 bottom surface 211 intersects) it is provided with the light source portion 41 being made of such as LED.The light source portion 41 and it is configured at receiving
The inside in the portion 21 and microswitch 24 of substantial middle of bottom surface 211 for being configured at receiving portion 21 is connected.The microswitch 24
It is configured to, the reciprocating movement with the operation direction of button 30 links or is independently opened and closed.When microswitch 24 is opened,
Light from light source portion 41 is supplied to light guide 40, when microswitch 24 is closed, stops supplying from light source portion 41 to light guide 40
To light.
In addition, be provided with link mechanism portion (not shown) in receiving portion 21, the link mechanism portion make button 30 relative to
In the state that operating surface 22 keeps substantially parallel posture, move back and forth the button 30 along operation direction.
As shown in figure 3, imbibition portion 50 has the material by caning absorb the liquid such as water (for example, the sponge of resin or suction
Water paper) the frame shape sheet that constitutes, outer surface 321 phase opposite with operating surface 22 of the flange part 32 of the imbibition portion 50 and button 30
Adjacent and configuration is around operation portion 31.That is, imbibition portion 50 is configured to, can absorb from the through-hole 101 of installation panel 100 with press
The liquid that gap 102 between the outer surface (for example, side 311 of operation portion 31) of button 30 flows into is (particularly, along operation portion
The liquid that 31 side 311 is flowed into receiving portion 21).In the first embodiment, as shown in Fig. 2, imbibition portion 50 is set as liquid
The thickly complete cycle in 311 direction of side in seal operation portion 31, by switch 1 be installed on installation panel 100 when, the imbibition portion 50
It is crimped with the flange part 32 of installation panel 100 and button 30.
In this way, have imbibition portion 50 in the switch 10 of first embodiment, the imbibition portion 50 and flange part 32 with behaviour
Make the opposite outer surface 321 in face 22 to be configured adjacently.By the imbibition portion 50, it can prevent liquid from passing through light guide 40 and flange part
It is invaded between light guide 40 and operation portion 31 between 32, so as to prevent the inflow because of liquid from leading to the deterioration of irradiation characteristic.
In addition, for example, configuring the sealing structure such as O-ring seal around 311 direction of side of the operation portion 31 of button 30
Part comes around 311 direction of side in closely seal operation portion 31, with prevent liquid by light guide 40 and flange part 32 it
Between invade between light guide 40 and operation portion 31 in the case where, need to apply interference to the chimeric surface of operation portion 31 and containment member
Amount.In this case, each shape for button 30 requires dedicated containment member, so that structure may become complicated.
Imbibition portion 50 in the switch 10 with frame shape sheet invades preventing portion as liquid, which matches
It sets in the outer surface of flange part 32 321 and configuration is around operation portion 31, the outer surface flowing along button 30 can be absorbed
Liquid.By the imbibition portion 50, can be sealed in liquid-tight manner between light guide 40 and flange part 32 in simple structure, as a result,
It can prevent from liquid from passing through between light guide 40 and flange part 32 to invade between light guide 40 and operation portion 31, so as to prevent
Because the inflow of liquid leads to the deterioration of irradiation characteristic.
In addition, in the switch unit 1 of first embodiment, by the switch 10, even if it is contemplated that using liquid
The place (for example, elevator) of body, also can be realized the switch unit that irradiation characteristic will not deteriorate.
In addition, there are multiple (being in the first embodiment two) switches 10, and more in the switch unit 1
A switch 10 is respectively provided with the imbibition portion as liquid intrusion preventing portion, the integrated landform in multiple imbibition portions 50 of multiple switch 10
At.Thereby, it is possible to reduce the quantity of component, so as to be easy assembling switch unit 1.
In addition, imbibition portion 50 is not limited to that the complete cycle of the side 311 of operation portion 31 is arranged in, if it is possible, can also be with
A part of the side 311 of operation portion 31 is set.
In addition, being made up of imbibition portion 50 sponge by such as resin, regularly it can clean and make it dry, from
And it being capable of Reusability.
It, can also be in addition, be not limited to make the imbibition portion 50 of multiple switch 10 to be integrally formed in switch unit 1
Form the imbibition portion 50 of each switch 10 separately.
(second embodiment)
As shown in fig. 6, the switch 10 of second embodiment of the present invention has the sealing as liquid intrusion preventing portion
60, this point is different from the first embodiment, which is sealed between light guide 40 and operation portion 31, to prevent
Liquid flows between light guide 40 and operation portion 31.
In addition, in this second embodiment, identical appended drawing reference is assigned to part same as the first embodiment, and
It omits the description.
Sealing 60 is for example made of O-ring seal, as shown in fig. 6, the sealing 60 be configured at flange part 32
The recess portion 42 that the surface 401 of the opposite light guide 40 of inner surface 322 (that is, face of 211 side of bottom surface of receiving portion 21) is arranged, and with
The inner surface 322 of flange part 32 crimps.
In addition, recess portion 42 is from operation direction (up and down direction of Fig. 6) to surround the complete cycle of the operation portion 31 of button 30
Mode be arranged.That is, sealing 60 configuration flange part 32 inner surface 322 and from operation direction observation configure in operation portion 31
It is entire around, be sealed between light guide 40 and operation portion 31, to prevent liquid flow from entering light guide 40 and operation portion 31
Between.
In this way, the switch 10 of second embodiment has sealing 60, which configures the interior table in flange part 32
Face and configuration operation portion 31 complete cycle, be sealed between light guide 40 and operation portion 31, to prevent liquid flow from entering leaded light
Between body 40 and operation portion 31.By the sealing 60, light guide 40 and flange part can be sealed in liquid-tight manner in simple structure
Between 32, invaded between light guide 40 and operation portion 31 so as to prevent liquid from passing through between light guide 40 and flange part 32,
Thereby, it is possible to prevent the inflow because of liquid from leading to the deterioration of irradiation characteristic.
In addition, sealing 60 be not limited to from operation direction observation configure operation portion 31 it is entire around the case where,
If it is possible, also can be set in the peripherad a part in the operation side of operation portion 31.
(third embodiment)
As shown in fig. 7, the switch 10 of third embodiment of the present invention has imbibition portion 50 and sealing 60 as liquid
Body invades preventing portion, and this point is different from first embodiment and second embodiment.
In addition, in the third embodiment, assigning phase to first embodiment and the identical part of second embodiment
Same appended drawing reference, and omit the description.
In this way, by setting imbibition portion 50 and sealing 60, for example, even if any in imbibition portion 50 and sealing 60
One deterioration is unable in the case where playing its function, can also prevent liquid by invading between light guide 40 and flange part 32
Enter between light guide 40 and operation portion 31, thereby, it is possible to prevent the inflow because of liquid from leading to the deterioration of irradiation characteristic.
More than, it is described in detail by reference to the accompanying drawing the various embodiments in the present invention, but finally, illustrate of the invention each
Kind technical solution.
The switch of first technical solution of the invention,
It includes
Shell has receiving portion in inside, and has the operation aperture for being provided with and being connected to external and described accommodation section
The operating surface in portion,
Button, comprising: operation portion exposes and to the external of the shell at least partially positioned at the appearance at least partially
It receives portion, and can be moved back and forth along the operation direction intersected with the operating surface via the operation aperture portion；Flange part, if
It is placed in the end of the described accommodation section side on the operation direction in the side of the operation portion intersected with the operating surface,
And along it is described operation towards with the operation part from direction extend,
Light guide, the end of the described accommodation section side on the inside of described accommodation section and the operation direction of the button
Portion is configured adjacently, and
Liquid invade preventing portion and the flange part the outer surface opposite with the operating surface or the flange part with
The opposite inner surface of the light guide is configured adjacently, and prevents liquid from passing through between the light guide and the flange part described in intrusion
Between light guide and the operation portion.
According to the switch of the first technical solution, preventing portion is invaded by liquid, can prevent liquid by light guide with it is convex
It is invaded between light guide and operation portion between edge, so as to prevent the inflow because of liquid from leading to the deterioration of irradiation characteristic.
In the switch of the second technical solution of the invention, the liquid intrusion preventing portion has the imbibition portion of frame-shaped, should
Imbibition portion configure the flange part the outer surface and configuration around the operation portion, can absorb and be pressed along described
The liquid that the outer surface of button flows into.
It can prevent liquid from passing through light guide in simple structure by imbibition portion according to the switch of the second technical solution
It is invaded between light guide and operation portion between flange part, so as to prevent the inflow because of liquid from leading to the bad of irradiation characteristic
Change.
In the switch of third technical solution of the invention, the liquid intrusion preventing portion has sealing, the sealing
Configure the flange part the inner surface and configuration around the operation portion, to the light guide and the operation portion
Between be sealed, to prevent liquid flow from entering between the light guide and the operation portion.
It can prevent liquid from passing through light guide in simple structure by sealing according to the switch of third technical solution
It is invaded between light guide and operation portion between flange part, so as to prevent the inflow because of liquid from leading to the bad of irradiation characteristic
Change.
The switch unit of 4th technical solution of the invention,
It includes
The switch of at least one technical solution,
Panel is installed, there is the handle hole that can be inserted into for the operation portion,
The switch is with the operating position in the handle hole for installing panel and the flange part and the peace
It fills mode opposite around the handle hole of panel to be configured, and is installed on the installation panel.
According to the switch unit of the 4th technical solution, by the switch of the technical solution, even if it is contemplated that using
The place (for example, elevator) of liquid, also can be realized the switch unit that irradiation characteristic will not deteriorate.
The switch unit of 5th technical solution of the invention has multiple switches, and the multiple switch is distinguished
Imbibition portion with frame-shaped invades preventing portion as the liquid, which configures in the outer surface of the flange part
And configuration can absorb the liquid of the outer surface inflow along the button around the operation portion,
The imbibition portion of the multiple switch is integrally formed.
According to the switch unit of the 5th technical solution, the quantity of component can be reduced, it is single so as to be easy assembling switch
Member 1.
In addition, by suitably combining arbitrary embodiment or deformation in the various embodiment or variations
Example, can achieve the effect that respectively have.In addition, being also able to carry out embodiment combination with one another or embodiment combination with one another
Or the combination of embodiments and examples, and the combination for the feature being also able to carry out in different embodiment or embodiment.
Industrial utilizability
Switch of the invention can be applied to such as elevator switch.
Claims (5)
1. a kind of switch,
It includes
Shell has receiving portion in inside, and has and be provided with the operation aperture portion being connected to external and described accommodation section
Operating surface,
Button, comprising: operation portion exposes and to the external of the shell at least partially positioned at the receiving at least partially
Portion, and can be moved back and forth along the operation direction intersected with the operating surface via the operation aperture portion；Flange part, setting
The end of the described accommodation section side on the operation direction in the side of the operation portion intersected with the operating surface, and
And along it is described operation towards with the operation part from direction extend,
Light guide, the end phase in the inside of described accommodation section and the described accommodation section side on the operation direction of the button
Neighbour's configuration, and
Liquid invade preventing portion and the flange part the outer surface opposite with the operating surface or the flange part with it is described
The opposite inner surface of light guide is configured adjacently, and prevents liquid by invading the leaded light between the light guide and the flange part
Between body and the operation portion.
2. switch according to claim 1, wherein
Liquid intrusion preventing portion has the imbibition portion of frame-shaped, the outer surface which configured in the flange part and
Configuration can absorb the liquid of the outer surface inflow along the button around the operation portion.
3. switch according to claim 1 or 2, wherein
Liquid intrusion preventing portion has a sealing, the seal portion configurations the flange part the inner surface and configuration exist
It around the operation portion, is sealed between the light guide and the operation portion, to prevent liquid flow from entering the leaded light
Between body and the operation portion.
4. a kind of switch unit, comprising:
Switch described at least one any one of claims 1 to 3；And
Panel is installed, there is the handle hole that can be inserted into for the operation portion,
The switch is with the operating position in the handle hole for installing panel and the flange part and the mounting surface
Opposite mode is configured around the handle hole of plate, and is installed on the installation panel.
5. switch unit according to claim 4, wherein
With multiple switches, and the multiple switch is respectively provided with the imbibition portion of frame-shaped and prevents as liquid intrusion
Stop, the imbibition portion configure the flange part the outer surface and configuration around the operation portion, edge can be absorbed
The button outer surface flow into liquid,
The imbibition portion of the multiple switch is integrally formed.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2017-131332 | 2017-07-04 | ||
| JP2017131332A JP6881101B2 (en) | 2017-07-04 | 2017-07-04 | switch |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109216073A true CN109216073A (en) | 2019-01-15 |
| CN109216073B CN109216073B (en) | 2020-05-15 |
Family
ID=64991360
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810585964.5A Active CN109216073B (en) | 2017-07-04 | 2018-06-08 | Switch with a switch body |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP6881101B2 (en) |
| CN (1) | CN109216073B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113488348A (en) * | 2021-06-28 | 2021-10-08 | Tcl通讯（宁波）有限公司 | Key anti-jamming structure and terminal |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH615285A5 (en) * | 1978-07-03 | 1980-01-15 | Meyer & Co Ag | Screwed presser |
| JPH1131430A (en) * | 1997-07-11 | 1999-02-02 | Hosiden Corp | Tact switch |
| CN2636394Y (en) * | 2003-07-07 | 2004-08-25 | 欧姆龙株式会社 | Button switch |
| CN205881751U (en) * | 2016-08-05 | 2017-01-11 | 浙江开控电气有限公司 | Shift knob's waterproof circle |
-
2017
- 2017-07-04 JP JP2017131332A patent/JP6881101B2/en active Active
-
2018
- 2018-06-08 CN CN201810585964.5A patent/CN109216073B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH615285A5 (en) * | 1978-07-03 | 1980-01-15 | Meyer & Co Ag | Screwed presser |
| JPH1131430A (en) * | 1997-07-11 | 1999-02-02 | Hosiden Corp | Tact switch |
| CN2636394Y (en) * | 2003-07-07 | 2004-08-25 | 欧姆龙株式会社 | Button switch |
| CN205881751U (en) * | 2016-08-05 | 2017-01-11 | 浙江开控电气有限公司 | Shift knob's waterproof circle |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113488348A (en) * | 2021-06-28 | 2021-10-08 | Tcl通讯（宁波）有限公司 | Key anti-jamming structure and terminal |
| CN113488348B (en) * | 2021-06-28 | 2023-11-10 | Tcl通讯（宁波）有限公司 | Button anti-sticking structure and terminal |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2019016461A (en) | 2019-01-31 |
| JP6881101B2 (en) | 2021-06-02 |
| CN109216073B (en) | 2020-05-15 |
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