CN108652512A - A kind of domestic type glass outer surface cleaning device - Google Patents
A kind of domestic type glass outer surface cleaning device Download PDFInfo
- Publication number
- CN108652512A CN108652512A CN201810400661.1A CN201810400661A CN108652512A CN 108652512 A CN108652512 A CN 108652512A CN 201810400661 A CN201810400661 A CN 201810400661A CN 108652512 A CN108652512 A CN 108652512A
- Authority
- CN
- China
- Prior art keywords
- fixed strip
- lower fixed
- fixed
- negative pressure
- rotating bar
- 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.)
- Pending
Links
Classifications
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
- A47L1/00—Cleaning windows
- A47L1/06—Hand implements
Abstract
The invention discloses a kind of domestic type glass outer surface cleaning devices, including upper fixed strip, lower fixed strip and cleaning blade, fixed item and lower fixed strip center all have cylindrical cavity, upper fixed strip and lower two side lower part of fixed strip are symmetrically embedded equipped with negative pressure cavity, negative pressure cavity lower end is connected with sucker, horizontally rotate in cavity and is connected with rotating bar, rotating bar peripheral solder is equipped with reel, winding is equipped with wire rope on reel, it is parallel between upper fixed strip and lower fixed strip to be equipped with cleaning blade, rotating bar peripheral solder in lower fixed strip is equipped with the first helical gear, lower fixed strip upper end is located at rotation connection on the right side of the first helical gear and is equipped with rocking bar, the welding of rocking bar lower end is equipped with the second helical gear.The present invention can according to glass height activity adjustment, the operating space outside glass require it is smaller, it is more convenient to use.
Description
Technical field
The present invention relates to a kind of glass cleaning tool, specifically a kind of domestic type glass outer surface cleaning device.
Background technology
Nowadays in building decoration, the use of glass is more and more, the cladding glass that high building uses, during many windows use
Empty energy-saving glass, high level protect ornamental hollow angle glass, all have good aesthetic feeling, but this aesthetic feeling needs often
Being cleaned to surface can continue to keep.The cladding glass of high-rise can be unified to carry out using hanging basket by worker
Cleaning, and the glass of average family is just not suitable for.
Nowadays also there are much burnishers for glass outer surface, the cleaning brush for having the sponge mop of lengthening the same,
It is simple in structure, but burglary-resisting window can be all installed additional outside the glass of many families now, this kind of burnisher applicability is not strong；Also
A kind of burnisher be by high magnetic magnet positive and negative anodes it is opposite in two plates, be clamped in the positive and negative of glass, this
Sample can clean outer surface while cleaning interior surfaces of glass, and such apparatus structure is simply easy to use, but
It is the northern area in China's length and breadth of land, in order to reach excellent heat insulation effect and structural strength, thickness is often hollow glass
8mm*12mm*8mm, even thicker after some special heights increase doubling technique, the cleaning device clamping of magnet class is unstable,
It is very easy to fall off, the danger of this falling object from high altitude is significantly greater than its usability.
Invention content
The purpose of the present invention is to provide a kind of domestic type glass outer surface cleaning devices, to solve in above-mentioned background technology
The problem of proposition.
To achieve the above object, the present invention provides the following technical solutions：
A kind of domestic type glass outer surface cleaning device, including upper fixed strip, lower fixed strip and cleaning blade, fixed item
Cylindrical cavity is all had with the lower fixed strip center, fixed item and two side lower part of lower fixed strip are symmetrical embedding
Enter and be provided with negative pressure cavity, activity, which agrees with, in the negative pressure cavity is provided with piston, fixed item and the lower fixed strip both sides
Top is symmetrically provided through threaded rod, and the negative pressure cavity lower end is connected with sucker, connection is horizontally rotated in the cavity
It is provided with rotating bar, the rotating bar is located at the center of the cavity, and the rotating bar peripheral solder is provided with reel, described
Winding is provided with wire rope on reel, is located at the rotating bar both ends in fixed item and the cavity two side
Between be connected with torsionspring, be arranged in parallel with cleaning blade between fixed item and the lower fixed strip, it is described
Cleaning blade bottom is inlaid with silica gel strip, and the cleaning blade surface and the wire rope corresponding position are provided through logical
Hole, the cleaning blade upper end are provided with fixing bolt by screw-thread fit flexible connection, and the fixing bolt lower end is inlaid with
Rubber pad, the fixing bolt and the through-hole are corresponding and activity is stretched into the through-hole, described turn in the lower fixed strip
Lever peripheral solder is provided with the first helical gear, and the lower fixed strip upper end is located at rotation connection on the right side of first helical gear and sets
It is equipped with rocking bar, the rocking bar is welded and fixed by the shaft that is rotatablely connected with the lower fixed strip and with shaft and under described
Crank composition above fixed strip, rocking bar lower end welding are provided with the second helical gear, second helical gear and described the
One helical gear corresponds and engaged transmission.
As a further solution of the present invention：Fixed item and the lower fixed strip are identical string configuration.
As a further solution of the present invention：The threaded rod and the negative pressure cavity center are corresponding, and the threaded rod is logical
Screw-thread fit activity is crossed through fixed item and is stretched into the negative pressure cavity, the threaded rod lower end and the piston upper end
Center weld is fixed.
As a further solution of the present invention：The sucker upper end is connected to the negative pressure cavity and seam edge seals.
As a further solution of the present invention：The reel is divided into the both ends and middle part of the rotating bar, it is described around
Line wheel is the hourglass shaped structure of surface middle part arc-shaped recess.
As a further solution of the present invention：The wire rope upper end and the coiling in fixed item
Wheel solderless wrapped connection is fixed, and the wire rope activity is through fixed item and the lower fixed strip and lower end and positioned at described lower solid
The reel determined in item is connected and fixed.
As a further solution of the present invention：The wire rope activity runs through the through-hole.
Compared with prior art, the beneficial effects of the invention are as follows：Upper fixed strip level is corresponded on the upside of glass when use,
Air is tentatively discharged in pressing sucker, to which upper fixed strip is horizontally fixed on the upside of glass by the absorption of sucker, is rotated further by spiral shell
Rasp bar band piston moves in negative pressure cavity, the adsorption effect of sucker can be improved in this way, to improve the stability of absorption；It will
Lower fixed strip level is corresponded in glass under side, while fixing lower fixed strip in the way of fixed upper fixed strip, after the completion will be clear
Clean scraper plate slides on the downside of fixed strip and tightens fixing bolt to fix the position of wire rope in through-holes, and rotation at this time is shaken
Bar drives the rotating bar being located in lower fixed strip and coiling to rotate by the helical gear engaged transmission of the second helical gear and first
It is dynamic, wire rope is gradually wrapped on the reel in lower fixed strip, the movement of such wire rope can drive clearly
Clean scraper plate moves down, and can be cleaned in this way to glass surface by cleaning blade, when cleaning blade be moved to and under
When fixed strip is close, rocking bar is rotated backward, the rotating bar being at this moment located in upper fixed strip rotates under the reaction of torsionspring
And wire rope reply is wrapped on the reel in upper fixed strip, cleaning blade can be driven to rise in this way, it is this
The reciprocating movement of cleaning blade may be implemented under design cooperation, do not influenced in this way by glass height, not by glass outside burglary-resisting window
It influences, also more safe ready, use are laborsaving.
Description of the drawings
Fig. 1 is a kind of structural schematic diagram of domestic type glass outer surface cleaning device.
Fig. 2 is a kind of structural schematic diagram of upper fixed strip in domestic type glass outer surface cleaning device.
Fig. 3 is a kind of structural schematic diagram of lower fixed strip in domestic type glass outer surface cleaning device.
Fig. 4 is a kind of structural schematic diagram of cleaning blade in domestic type glass outer surface cleaning device.
In figure：The upper fixed strips of 1-, fixed strip under 2-, 3- negative pressure cavities, 4- threaded rods, 5- pistons, 6- suckers, 7- rotating bars,
8- reels, 9- wire ropes, 10- torsionsprings, 11- cleaning blades, 12- through-holes, 13- fixing bolts, the first helical teeth of 14-
Wheel, 15- rocking bars, the second helical gears of 16-.
Specific implementation mode
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation describes, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Please refer to Fig.1~4, in the embodiment of the present invention, a kind of domestic type glass outer surface cleaning device, including upper fixed strip
1, lower fixed strip 2 and cleaning blade 11, fixed item 1 and the lower fixed strip 2 be identical string configuration, it is described on
Fixed strip 1 and 2 center of lower fixed strip all have cylindrical cavity, under fixed item 1 and 2 both sides of lower fixed strip
Portion is symmetrically embedded in and is provided with negative pressure cavity 3, and activity, which agrees with, in the negative pressure cavity 3 is provided with piston 5, fixed item 1 and institute
It states 2 liang of upper lateral parts of lower fixed strip and is symmetrically provided through threaded rod 4, the threaded rod 4 and 3 center of the negative pressure cavity are corresponding,
The threaded rod 4 through fixed item 1 and is stretched into the negative pressure cavity 3 by screw-thread fit activity, under the threaded rod 4
End and 5 upper end center of the piston are welded and fixed, and 3 lower end of the negative pressure cavity is connected with sucker 6,6 upper end of the sucker and
The negative pressure cavity 3 is connected to and seam edge seals, and is horizontally rotated in the cavity and is connected with rotating bar 7, the rotating bar 7
Positioned at the center of the cavity, 7 peripheral solder of the rotating bar is provided with reel 8, and the reel 8 is divided into the rotation
The both ends and middle part of bar 7, the reel 8 are the hourglass shaped structure of surface middle part arc-shaped recess, wind and set on the reel 8
It is equipped with wire rope 9,9 upper end of the wire rope and 8 solderless wrapped connection of the reel in fixed item 1 are fixed, institute
9 activity of wire rope is stated through fixed item 1 and the lower fixed strip 2 and lower end and in the lower fixed strip 2
The reel 8 is connected and fixed, and is located at 7 both ends of the rotating bar in fixed item 1 and between the cavity two side
It is connected with torsionspring 10, cleaning blade 11, institute are arranged in parallel between fixed item 1 and the lower fixed strip 2
It states 11 bottom of cleaning blade and is inlaid with silica gel strip, 11 surface of the cleaning blade and 9 corresponding position of the wire rope, which run through, to be set
It is equipped with through-hole 12,9 activity of the wire rope runs through the through-hole 12, and 11 upper end of the cleaning blade passes through screw-thread fit activity
It is connected with fixing bolt 13,13 lower end of the fixing bolt is inlaid with rubber pad, the fixing bolt 13 and the through-hole
12 correspond to and activity stretch into the through-hole 12,7 peripheral solder of the rotating bar in the lower fixed strip 2 be provided with first tiltedly
Gear 14,2 upper end of lower fixed strip are located at first helical gear, 14 right side rotation connection and are provided with rocking bar 15, the rocking bar
15 are welded and fixed by the shaft that is rotatablely connected with the lower fixed strip 2 and with shaft and positioned at 2 top of the lower fixed strip
Crank forms, and the welding of 15 lower end of the rocking bar is provided with the second helical gear 16, second helical gear 16 and first helical teeth
Wheel 14 corresponds and engaged transmission.
The present invention operation principle be：When use that upper fixed strip 1 is horizontal corresponding on the upside of glass, pressing sucker 6 is preliminary
Air is discharged, to which upper fixed strip 1 is horizontally fixed on the upside of glass by the absorption of sucker 6, is rotated further by threaded rod 4 and drives work
Plug 5 moves in negative pressure cavity 3, the adsorption effect of sucker 6 can be improved in this way, to improve the stability of absorption；By lower fixation
Item 2 is horizontal corresponding in glass under side, while fixing lower fixed strip 2 in the way of fixed upper fixed strip 1, after the completion scrapes cleaning
Plate 11 slides into 1 downside of fixed strip and tightens fixing bolt 13 to fix position of the wire rope 9 in through-hole 12, turns at this time
Shake bar 15, the rotating bar 7 being located in lower fixed strip 2 is driven by the engaged transmission of the second helical gear 16 and the first helical gear 14
It is rotated with reel 8, wire rope 9 is gradually wrapped on the reel 8 in lower fixed strip 2, such wire rope 9
Movement can drive cleaning blade 11 to move down, and can be cleaned in this way to glass surface by cleaning blade 11, when
When cleaning blade 11 is moved to and lower fixed strip 2 is close, rocking bar 15 is rotated backward, the rotating bar 7 being at this moment located in upper fixed strip 1
It is rotated under the reaction of torsionspring 10 and the reply of wire rope 9 is wrapped on the reel 8 in upper fixed strip 1,
Cleaning blade 11 can be driven to rise in this way, the reciprocating movement of cleaning blade 11 may be implemented under this design cooperation, so not
Influenced by glass height, not by glass outside burglary-resisting window influenced, also more safe ready, use are laborsaving.
The standardized element that the present invention uses can commercially, and shaped piece is according to specification and attached drawing note
Load can carry out customized, and the specific connection type of each part is all made of ripe in the prior art bolt, rivet, welding etc.
Conventional means, machinery, part and equipment are all made of in the prior art, conventional model, in addition circuit connection uses the prior art
Middle conventional connection type, this will not be detailed here.
It is obvious to a person skilled in the art that invention is not limited to the details of the above exemplary embodiments, Er Qie
In the case of without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter
From the point of view of which point, the present embodiments are to be considered as illustrative and not restrictive, and the scope of the present invention is by appended power
Profit requires rather than above description limits, it is intended that all by what is fallen within the meaning and scope of the equivalent requirements of the claims
Variation is included within the present invention.Any reference signs in the claims should not be construed as limiting the involved claims.
In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped
Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should
It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
The other embodiment being appreciated that.
Claims (7)
1. a kind of domestic type glass outer surface cleaning device, including upper fixed strip（1）, lower fixed strip（2）And cleaning blade（11）,
It is characterized in that, fixed item（1）With the lower fixed strip（2）Center all has cylindrical cavity, fixed item
（1）With the lower fixed strip（2）Symmetrically insertion is provided with negative pressure cavity to two side lower parts（3）, the negative pressure cavity（3）Interior activity agrees with
It is provided with piston（5）, fixed item（1）With the lower fixed strip（2）Two upper lateral parts are symmetrically provided through threaded rod
（4）, the negative pressure cavity（3）Lower end is connected with sucker（6）, horizontally rotate in the cavity and be connected with rotating bar（7）,
The rotating bar（7）Positioned at the center of the cavity, the rotating bar（7）Peripheral solder is provided with reel（8）, the coiling
Wheel（8）Upper winding is provided with wire rope（9）, it is located at fixed item（1）In the rotating bar（7）Both ends and the sky
Chamber is connected with torsionspring between two side（10）, fixed item（1）With the lower fixed strip（2）Between parallel set
It is equipped with cleaning blade（11）, the cleaning blade（11）Bottom is inlaid with silica gel strip, the cleaning blade（11）Surface and described
Wire rope（9）Corresponding position is provided through through-hole（12）, the cleaning blade（11）Upper end is connected by screw-thread fit activity
It connects and is provided with fixing bolt（13）, the fixing bolt（13）Lower end is inlaid with rubber pad, the fixing bolt（13）With it is described
Through-hole（12）The through-hole is stretched into corresponding and activity（12）It is interior, the lower fixed strip（2）In the rotating bar（7）Peripheral solder
It is provided with the first helical gear（14）, the lower fixed strip（2）Upper end is located at first helical gear（14）Right side rotation connection is set
It is equipped with rocking bar（15）, the rocking bar（15）By with the lower fixed strip（2）It the shaft of rotation connection and is welded and fixed with shaft
And it is located at the lower fixed strip（2）The crank of top forms, the rocking bar（15）Lower end welding is provided with the second helical gear（16）,
Second helical gear（16）With first helical gear（14）Correspond and engaged transmission.
2. a kind of domestic type glass outer surface cleaning device according to claim 1, which is characterized in that fixed item
（1）With the lower fixed strip（2）For identical string configuration.
3. a kind of domestic type glass outer surface cleaning device according to claim 1, which is characterized in that the threaded rod
（4）With the negative pressure cavity（3）Center is corresponding, the threaded rod（4）Run through fixed item by screw-thread fit activity（1）
And stretch into the negative pressure cavity（3）It is interior, the threaded rod（4）Lower end and the piston（5）Upper end center is welded and fixed.
4. a kind of domestic type glass outer surface cleaning device according to claim 1, which is characterized in that the sucker（6）
Upper end and the negative pressure cavity（3）Connection and seam edge sealing.
5. a kind of domestic type glass outer surface cleaning device according to claim 1, which is characterized in that the reel
（8）It is divided into the rotating bar（7）Both ends and middle part, the reel（8）For the hourglass-shaped knot of surface middle part arc-shaped recess
Structure.
6. a kind of domestic type glass outer surface cleaning device according to claim 1, which is characterized in that the wire rope
（9）Upper end and be located at fixed item（1）In the reel（8）Solderless wrapped connection is fixed, the wire rope（9）Activity runs through
Fixed item（1）With the lower fixed strip（2）And lower end and be located at the lower fixed strip（2）In the reel（8）
It is connected and fixed.
7. any one domestic type glass outer surface cleaning device according to claim 1 or 6, which is characterized in that described
Wire rope（9）Activity runs through the through-hole（12）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810400661.1A CN108652512A (en) | 2018-04-28 | 2018-04-28 | A kind of domestic type glass outer surface cleaning device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810400661.1A CN108652512A (en) | 2018-04-28 | 2018-04-28 | A kind of domestic type glass outer surface cleaning device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108652512A true CN108652512A (en) | 2018-10-16 |
Family
ID=63780497
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810400661.1A Pending CN108652512A (en) | 2018-04-28 | 2018-04-28 | A kind of domestic type glass outer surface cleaning device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108652512A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110123197A (en) * | 2019-06-12 | 2019-08-16 | 施云超 | A kind of window wiping systems |
| CN110854744A (en) * | 2019-12-17 | 2020-02-28 | 蔡连玉 | Safety pedal for high-altitude operation in electric power field |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1131528A (en) * | 1994-11-26 | 1996-09-25 | 大宇电子株式会社 | Cord winder for vacuum cleaner |
| CN1327785A (en) * | 2000-06-13 | 2001-12-26 | 三星光州电子株式会社 | Position restorating device for power line of vacuum cleaner |
| CN204600348U (en) * | 2015-05-10 | 2015-09-02 | 浙江省松阳县职业中等专业学校 | A kind of Remote Control Automatic window wiping systems |
| CN204971092U (en) * | 2015-09-15 | 2016-01-20 | 孙彬焱 | Automatic two -sided glass cleaner of control |
| CN106343916A (en) * | 2016-11-28 | 2017-01-25 | 乐山师范学院 | Glass window wiper |
| CN106725087A (en) * | 2017-02-20 | 2017-05-31 | 孙云梅 | A kind of automatic window-cleaning family robot |
| CN207101217U (en) * | 2017-04-07 | 2018-03-16 | 郑华灿 | A kind of glass metope cleaning device |
-
2018
- 2018-04-28 CN CN201810400661.1A patent/CN108652512A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1131528A (en) * | 1994-11-26 | 1996-09-25 | 大宇电子株式会社 | Cord winder for vacuum cleaner |
| CN1327785A (en) * | 2000-06-13 | 2001-12-26 | 三星光州电子株式会社 | Position restorating device for power line of vacuum cleaner |
| CN204600348U (en) * | 2015-05-10 | 2015-09-02 | 浙江省松阳县职业中等专业学校 | A kind of Remote Control Automatic window wiping systems |
| CN204971092U (en) * | 2015-09-15 | 2016-01-20 | 孙彬焱 | Automatic two -sided glass cleaner of control |
| CN106343916A (en) * | 2016-11-28 | 2017-01-25 | 乐山师范学院 | Glass window wiper |
| CN106725087A (en) * | 2017-02-20 | 2017-05-31 | 孙云梅 | A kind of automatic window-cleaning family robot |
| CN207101217U (en) * | 2017-04-07 | 2018-03-16 | 郑华灿 | A kind of glass metope cleaning device |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110123197A (en) * | 2019-06-12 | 2019-08-16 | 施云超 | A kind of window wiping systems |
| CN110123197B (en) * | 2019-06-12 | 2021-01-22 | 湖州海明机械科技有限公司 | Glass cleaning device |
| CN110854744A (en) * | 2019-12-17 | 2020-02-28 | 蔡连玉 | Safety pedal for high-altitude operation in electric power field |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108858809A (en) | A kind of building wall drilling equipment | |
| CN108652512A (en) | A kind of domestic type glass outer surface cleaning device | |
| CN108896341A (en) | Sampler is used in a kind of detection of road engineering | |
| CN210672025U (en) | Cleaning machine for food processing | |
| CN208534001U (en) | A kind of building hanging basket | |
| CN108581800A (en) | A kind of timber processing polished device | |
| CN108817008A (en) | A kind of chemistry teaching instrument cleaning device | |
| CN109222141B (en) | Grape cleaning equipment | |
| CN209023763U (en) | A kind of autoclave aerated concrete building block blank-clamping machine | |
| CN208679908U (en) | Cleaning device is used in a kind of processing of hollow glass | |
| CN218049491U (en) | Jar belt cleaning device is made to fruit vinegar | |
| CN103690100B (en) | A kind of Pneumatic high-altitude glass-cleaning robot | |
| CN208194494U (en) | A kind of garlic mashing device | |
| CN108272218A (en) | It is a kind of to clean more easily silver cup cleaning device | |
| CN211862659U (en) | Glass curtain wall belt cleaning device | |
| CN213000799U (en) | Inside cleaning device of application environmental protection mechanical equipment | |
| CN109044185A (en) | A kind of incorgruous apparatus for cleaning glass of hand-hydraulic | |
| CN208771944U (en) | A kind of Novel diesel engine accessory cleaning device | |
| CN208758218U (en) | A kind of novel wood-plastic building materials cleaning device | |
| CN209089990U (en) | A kind of vegetables automatic flushing device | |
| CN208954411U (en) | A kind of internet product exploitation teaching training apparatus | |
| CN208213883U (en) | A kind of construction site cement tube cleaning device | |
| CN207344765U (en) | A kind of face with cleaning function takes machine | |
| CN113558517B (en) | Device convenient to it is abluent to window outside and inboard | |
| CN207640313U (en) | A kind of simple glass outside cleaning handheld tool |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20181016 |