CN208188942U - A kind of shipment device of automatic selling counter - Google Patents
A kind of shipment device of automatic selling counter Download PDFInfo
- Publication number
- CN208188942U CN208188942U CN201820836946.5U CN201820836946U CN208188942U CN 208188942 U CN208188942 U CN 208188942U CN 201820836946 U CN201820836946 U CN 201820836946U CN 208188942 U CN208188942 U CN 208188942U
- Authority
- CN
- China
- Prior art keywords
- motor
- slide
- stacker
- guide rail
- plate
- 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.)
- Expired - Fee Related
Links
- 239000000969 carrier Substances 0.000 claims abstract description 3
- 238000001514 detection method Methods 0.000 claims 1
- 239000007787 solid Substances 0.000 claims 1
- 208000036829 Device dislocation Diseases 0.000 abstract 2
- 238000010586 diagram Methods 0.000 description 4
- 238000009434 installation Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 238000007599 discharging Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 239000002360 explosive Substances 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
Landscapes
- Vending Machines For Individual Products (AREA)
Abstract
The utility model relates to a kind of shipment devices of automatic selling counter, it include several row's goods carriers along Z-direction setting, every row's goods carrier includes several storage chambers being arranged along the x axis, it further include having stacker, the first control device moved in the X-axis direction for controlling stacker, the second control device moved for controlling stacker along Z-direction, conveyer belt is equipped in each storage chamber along the y axis, front rotary shaft, shaft afterwards, the third control device that stacker is equipped with first motor and moves along the y axis for controlling first motor, the output end of first motor is equipped with driving gear, the driven gear for directly or indirectly engaging with driving gear is arranged on front rotary shaft, supporting is additionally provided on stacker.By adopting the above technical scheme, the utility model provides a kind of shipment device of automatic selling counter, can convey multiple cargos simultaneously, high-efficient, easy to use;Moreover, structure is simple, it is at low cost.
Description
Technical field
The utility model relates to automatic selling counter field, in particular to a kind of shipment device of automatic selling counter.
Background technique
Existing self-service cabinet, including organism, body is interior to be equipped with several row's goods carriers, every row's cargo along Z-direction
Frame includes several storage chambers being arranged along the x axis, cargo rack position is corresponded on body equipped with door body, each storage chamber is located at
Door body side is equipped with opening, is additionally provided with taking mouth on body, is equipped in body for sending the cargo in storage chamber to taking object
Feed device at mouthful.Currently, the feed device used, it can only one by one conveying articles, low efficiency be inconvenient to use;And
And its structure is complicated, volume is big, at high cost.
Utility model content
The purpose of this utility model: in order to overcome the drawbacks of the prior art, the utility model provides a kind of automatic vending
The shipment device of cabinet can convey multiple cargos simultaneously, high-efficient, easy to use;Moreover, structure is simple, it is at low cost.
The technical solution of the utility model includes: a kind of shipment device of automatic selling counter, if including to be arranged along Z-direction
Dry row's goods carrier, every row's goods carrier include several storage chambers being arranged along the x axis, and the front end of storage chamber is discharge end,
It is characterized by also including have stacker, for controlling first control device that stacker moves in the X-axis direction, for controlling
The second control device that stacker is moved along Z-direction is equipped with conveyer belt and defeated for driving in each storage chamber along the y axis
The front rotary shaft with conveying articles, rear shaft are sent, stacker is equipped with first motor and for controlling first motor along the y axis
The third control device of movement, the output end of first motor are equipped with driving gear, are arranged with and are used for and driving gear on front rotary shaft
The driven gear directly or indirectly engaged is additionally provided with the supporting for accepting storage chamber discharge end Goods Outwards on stacker.
By adopting the above technical scheme, it when needing to buy picking, is accepted by first control device, second control device control
Seat moves to the storage chamber discharging end position for storing selected cargo, controls first motor to discharge end from third control device
Direction movement, so that driving gear is engaged with the driven gear on the storage chamber front rotary shaft, to drive the conveying in storage chamber
Band work is sent cargo to supporting by discharge end, then, then is controlled first motor from third control device and is discharged to separate
Extreme direction movement so that driving gear is separated with driven gear, then controls stacker by first control device, second control device
The storage chamber discharging end position for storing selected next cargo is moved to, and then again by the first electricity of third control device control
Machine work, successively repeatedly takes out selected multiple cargos, therefore, the shipment device of this structure can be simultaneously together
Multiple cargos are conveyed, it is high-efficient, it is easy to use;Moreover, structure is simple, it is at low cost.
The further setting of the utility model: the storage chamber includes both side plate disposed in parallel and is arranged two
Support plate between side plate, both side plate and support plate surround "U" shaped, front rotary shaft, rear shaft both ends turn respectively with both side plate
Dynamic connection, the support plate are arranged between front rotary shaft and rear shaft, and conveyer belt is set in outside support plate, is arranged on front rotary shaft
Set with teeth, opens up in the front inner wall of the wherein side plate of storage chamber jagged, and tooth set extends in the notch, is located in notch
Tooth cover to form the driven gear.
Using above-mentioned further setting, support plate can supporting goods well, preventing conveyer belt from collapsing cannot be normal defeated
Delivery object;It is big frictional force between conveyer belt that tooth set can make tooth cover, and prevents from skidding, raising efficiency of transmission;Using in notch
Tooth cover to form the driven gear, driving gear not only may be implemented in this way engage drive front rotary shaft with tooth set to rotate, but also can
So that tooth set is not exposed to outside, so that overall structure is more compact;Furthermore it, can be by tooth set after driven gear abrasion
End is exchanged, so that the tooth set of the other end forms driven gear, saves maintenance cost.
The further setting of the utility model: the rear end of support plate is groove.
Further it is arranged using above-mentioned, the groove of setting, which can be convenient, covers conveyer belt outside support plate, be easily installed,
Disassembly.
The further setting again of the utility model: being outward extended with extension in the front end side wall of both side plate, described
Notch is arranged in extension position.
Using above-mentioned setting further again, due to both side plate front end side wall at work, stress is big, the extension of setting
The intensity of both side plate had not only can be improved in portion, but also can be convenient the setting of notch, did not needed to increase both side plate integral thickness, saved
Material reduces cost.
The further setting again of the utility model: the rear end of storage chamber both side plate is equipped with elongated slot, rear shaft along the y axis
Both ends be plugged in the elongated slot of two sides respectively, backstand, positioning plate are further respectively had on the outside of both side plate, backstand is equipped with
Arc-shaped notch, the both ends of rear shaft extend respectively in the recess on the backstand of two sides, and bolt, bolt one are equipped on positioning plate
End is connected with corresponding backstand, is arranged with the first locking nut, the second locking nut, the first locking nut, second on bolt
Locking nut is contradicted with the front side wall of positioning plate, rear wall respectively.
Using above-mentioned setting further again, the backstand of setting, positioning plate, bolt, the first locking nut, the second locking
Elongated slot on nut and both side plate, the rate of tension of adjustable conveyer belt guarantee that its transportation performance is stablized.
The utility model again further setting: the first control device include the second motor, first slide,
First guide rail, the first guide rail are arranged along the x axis, and first slide is slidably arranged on the first guide rail, and second control device includes
There are third motor, second slide, the second guide rail, the second guide rail is arranged along Z-direction, and second slide is slidably arranged in the second guide rail
On, the stacker is fixedly connected with second slide, and output end and the first slide of the second motor are linked, third motor
Output end be linked with second slide, the second guide rail is fixedly connected with first slide, and third motor is fixed at second
On guide rail.
Using above-mentioned setting further again, so that stacker is more convenient along the control of X-axis, Z-direction, movement is more
Stablize, structure is simple.
The further setting again of the utility model: the third control device includes the 4th motor, third slide,
First motor is fixed on third slide, and the 4th motor is linked with third slide, and stacker is equipped with third guide rail,
Third slide is slidably matched with third guide rail, and third guide rail is arranged along the y axis.
Using above-mentioned setting further again, drive third slide that can both drive along the sliding of third guide rail by the 4th motor
First motor is slided along the y axis, and structure is simple, sliding stability.
The further setting again of the utility model: the supporting includes conveyer belt, the first support shaft, second
Axis, loading plate are supportted, conveyer belt is arranged on stacker through the first support shaft, the second support shaft, and conveyer belt is set in outside loading plate,
The 5th motor for driving the first support shaft or the second support shaft to rotate is additionally provided on stacker.
Using above-mentioned setting further again, rotated by the 5th the first support shaft of motor driven or the second support shaft, from
And conveyer belt is driven to move, and the cargo fallen on conveyer belt is sent out by the taking mouth of automatic selling counter, it is more convenient.
The further setting again of the utility model: the stacker is equipped with for detecting goods weight on supporting
Sensor.
Whether using above-mentioned setting further again, can detecte using sensor has cargo to fall on supporting, and will
Information response to automatic selling counter main control unit, to understand the operating status of automatic sales counter in real time, convenient for supervising well
Control, maintenance.
The further setting again of the utility model: on the lateral wall of the both side plate and bottom of support plate, which is respectively equipped with, to be added
Strong plate, the wherein stiffening plate on both side plate lateral wall form the positioning plate.
Using above-mentioned setting further again, the intensity of both side plate, support plate can be improved;Its on both side plate lateral wall
In a stiffening plate form the positioning plate, be not necessarily to add positioning plate in this way, it is easy to process, reduce cost.
Detailed description of the invention
Fig. 1 is the structure chart of the utility model specific embodiment;
Fig. 2 is wherein row's goods carrier structure chart in the utility model specific embodiment;
Fig. 3 is stacker installation diagram in the utility model specific embodiment;
Fig. 4 is storage chamber explosive view in the utility model specific embodiment;
Fig. 5 is third control device structure chart in the utility model specific embodiment;
Fig. 6 is supporting installation diagram in the utility model specific embodiment;
Fig. 7 is that tooth covers installation diagram in the utility model specific embodiment;
Fig. 8 is stiffening plate installation diagram in the utility model specific embodiment;
Fig. 9 is supporting explosive view in the utility model specific embodiment;
Figure 10 is supporting plate structure figure in the utility model specific embodiment;
Figure 11 is the part I partial enlarged view in Fig. 2.
Specific embodiment
As shown in figs. 1-11, a kind of shipment device of automatic selling counter includes several row's cargos along Z-direction setting
Frame 1, every row's goods carrier 1 include several storage chambers 2 being arranged along the x axis, and the front end of storage chamber 2 is discharge end 20, also
Include stacker 3, for controlling first control device 4 that stacker 3 moves in the X-axis direction, for controlling stacker 3 along Z
The second control device 5 of axis direction movement is equipped with conveyer belt 6 in each storage chamber 2 along the y axis and is used for driving conveying belt 6
The front rotary shaft 7 of conveying articles, rear shaft 8, stacker 3 are equipped with first motor 9 and for controlling first motor 9 along Y-axis side
To the third control device 10 of movement, the output end of first motor 9 is equipped with driving gear 11, be arranged on front rotary shaft 7 for
Driving gear 11 passes through the driven gear 12 that gear set engages indirectly, and certainly, driving gear 11 can also be straight with driven gear 12
Engagement is connect, the supporting 13 for accepting 2 discharge end Goods Outwards of storage chamber is additionally provided on stacker 3.Wherein, the storing
Chamber 2 includes both side plate 21,22 disposed in parallel and the support plate 23 that is arranged between both side plate 21,22, both side plate 21,22
"U" shaped is surrounded with support plate 23, both side plate 21,22 and support plate 23 are integrally formed, the both ends of front rotary shaft 7 and both side plate 21,
22 connect through bearing, and the support plate 23 is arranged between front rotary shaft 7 and rear shaft 8, and conveyer belt 6 is set in support plate 23
Outside, the front rotary shaft 7 on every row's goods carrier 1 is wholely set, and set 14 with teeth is arranged on front rotary shaft 7, the wherein side plate of storage chamber 2
Jagged 211 are opened up in front inner wall, tooth set 14 extends in the notch 211, described in 14 formation of tooth set in notch 211
Driven gear 12.
The rear end of support plate 23 is groove 231, and the groove 231 of setting can be convenient by 6 sets of conveyer belt outside support plate 23,
It is easily installed, dismantles;Extension 24 is outward extended in the front end side wall of both side plate 21,22, the setting of notch 211 is being expanded
24 position of exhibition portion.Due to both side plate 21,22 front end side wall at work, stress is big, and the extension 24 of setting both can be improved
The intensity of both side plate 21,22, and can be convenient the setting of notch 211, it does not need to increase both side plate 21,22 integral thickness, section
Material saving reduces cost.
In order to facilitate the tensioning degree for adjusting conveyer belt 6, the rear end of 2 both side plate 21,22 of storage chamber is equipped with length along the y axis
Slot 200, the both ends of rear shaft 8 are rotatably plugged in respectively in the elongated slot 200 of two sides, and the outside of both side plate 21,22 is also set respectively
There are backstand 25, positioning plate 26, backstand 25 is equipped with arc-shaped notch 251, and the both ends of rear shaft 8 extend respectively to two sides tensioning
In recess 251 on seat 25, bolt 27 is equipped on positioning plate 26,27 one end of bolt is connected with corresponding backstand 25, bolt
It is arranged with the first locking nut 28, the second locking nut 29 on 27, the first locking nut 28, the second locking nut 29 are respectively and fixed
Front side wall, the rear wall of position plate 26 contradict.
The first control device 4 includes the second motor 41, first slide 42, the first guide rail 43, the first guide rail 43
Be arranged along the x axis, first slide 42 is slidably arranged on the first guide rail 43, second control device 5 include third motor 51,
Second slide 52, the second guide rail 53, the second guide rail 53 are arranged along Z-direction, and second slide 52 is slidably arranged in the second guide rail 53
On, the stacker 3 is fixedly connected with second slide 52, and output end and the first slide 42 of the second motor 41 are linked,
The output end of third motor 51 is linked with second slide 52, and the second guide rail 53 is fixedly connected with first slide 42, third electricity
Machine 51 is fixed on the second guide rail 53.The output end of second motor 41 drives first slide 42 along the through belt, belt pulley
The sliding of one guide rail 43, the output end of third motor 51 also drive second slide 52 to slide along the second guide rail 53 through belt, belt pulley;
Certainly, the output end of the second motor 41 can also be driven by modes such as screw rods first slide 42 slide, third motor 51 it is defeated
Outlet can also drive second slide 52 to slide by modes such as screw rods, the skill which is well known to those skilled in the art
Art no longer elaborates herein.
The third control device 10 includes the 4th motor 101, third slide 102, and first motor 9 is fixed at
On third slide 102, the 4th motor 101 is linked with third slide 102, and stacker 3 is equipped with third guide rail 103, third
Slide 102 is slidably matched with third guide rail 103, and third guide rail 103 is arranged along the y axis, the output end organizine of the 4th motor 101
Bar drives third slide 102 to slide along third guide rail 103, and certainly, the output end of the 4th motor 101 can also be through belt, belt
Wheel drives third slide 102 to slide along third guide rail 103, the technology which is well known to those skilled in the art, herein not
It elaborates again.
The supporting 13 includes conveyer belt 132, the first support shaft 133, the second support shaft 134, loading plate 135,
Conveyer belt 132 is arranged on stacker 3 through the first support shaft 133, the second support shaft 134, and conveyer belt 132 is set in loading plate
Outside 135, the 5th motor 136 for driving the first support shaft 133 or the second support shaft 134 to rotate is additionally provided on stacker 3, the
Five motors 136 are rotated through belt, the first support shaft of belt wheel drive or the second support shaft, it is of course also possible to by gear set or
Chain, the first support shaft of chain wheel drive or the rotation of the second support shaft;In addition, basketry also can be directly used in supporting 13, it is described
Stacker be equipped with sensor 15 for detecting goods weight on supporting, whether available in stock can detecte using sensor 15
Object is fallen on supporting 13, and by information response to the main control unit of automatic selling counter, to understand automatic sales counter in real time
Operating status, convenient for monitoring, safeguarding well.
On the lateral wall of both side plate 21, the 22 and bottom of support plate 23 is respectively equipped with stiffening plate 16, can be improved in this way
Both side plate 21,22, the intensity of support plate 23;A wherein stiffening plate on both side plate 21,22 lateral walls forms the positioning plate
26, it is easy to process in this way without adding positioning plate, reduce cost.
Claims (10)
1. a kind of shipment device of automatic selling counter includes several row's goods carriers along Z-direction setting, every row's goods carrier packet
Several storage chambers being arranged along the x axis are included, the front end of storage chamber is discharge end, it is characterised in that: further includes having undertaking
Seat, the moved for controlling first control device that stacker moves in the X-axis direction, for controlling stacker along Z-direction
Two control devices, be equipped in each storage chamber along the y axis conveyer belt and for driving conveying belt conveying articles front rotary shaft, after
Shaft, the third control device that stacker is equipped with first motor and moves along the y axis for controlling first motor, first
The output end of motor is equipped with driving gear, and the driven tooth for directly or indirectly engaging with driving gear is arranged on front rotary shaft
It takes turns, the supporting for accepting storage chamber discharge end Goods Outwards is additionally provided on stacker.
2. the shipment device of automatic selling counter according to claim 1, it is characterised in that: the storage chamber includes flat
The both side plate of row setting and the support plate that is arranged between both side plate, both side plate and support plate surround "U" shaped, front rotary shaft,
The both ends of shaft are rotatablely connected with both side plate respectively afterwards, and the support plate is arranged between front rotary shaft and rear shaft, conveyer belt
It is set in outside support plate, set with teeth is arranged on front rotary shaft, opens up jagged, tooth in the front inner wall of the wherein side plate of storage chamber
Set extends in the notch, and the tooth in notch covers to form the driven gear.
3. the shipment device of automatic selling counter according to claim 2, it is characterised in that: the rear end of support plate is groove.
4. the shipment device of automatic selling counter according to claim 2 or 3, it is characterised in that: the front end side wall of both side plate
On be outward extended with extension, the notch is arranged in extension position.
5. the shipment device of automatic selling counter according to claim 2 or 3, it is characterised in that: after storage chamber both side plate
End is equipped with elongated slot along the y axis, and the both ends of rear shaft are plugged in the elongated slot of two sides respectively, further respectively have on the outside of both side plate
Backstand, positioning plate, backstand are equipped with arc-shaped notch, and the both ends of rear shaft extend respectively to the recess on the backstand of two sides
It is interior, bolt is equipped on positioning plate, bolt one end is connected with corresponding backstand, and the first locking nut, are arranged on bolt
Two locking nuts, the first locking nut, the second locking nut are contradicted with the front side wall of positioning plate, rear wall respectively.
6. the shipment device of automatic selling counter according to claim 1 or 2 or 3, it is characterised in that: first control
Device includes the second motor, first slide, the first guide rail, and the first guide rail is arranged along the x axis, and first slide is slidably arranged in
On first guide rail, second control device includes third motor, second slide, the second guide rail, and the second guide rail is set along Z-direction
It sets, second slide is slidably arranged on the second guide rail, and the stacker is fixedly connected with second slide, the output of the second motor
End is linked with first slide, and output end and the second slide of third motor are linked, and the second guide rail and first slide are solid
Fixed connection, third motor are fixed on the second guide rail.
7. the shipment device of automatic selling counter according to claim 1 or 2 or 3, it is characterised in that: the third control
Device includes the 4th motor, third slide, and first motor is fixed on third slide, and the 4th motor and third slide join
Dynamic cooperation, stacker are equipped with third guide rail, and third slide is slidably matched with third guide rail, and third guide rail is arranged along the y axis.
8. the shipment device of automatic selling counter according to claim 1 or 2 or 3, it is characterised in that: the supporting packet
Conveyer belt, the first support shaft, the second support shaft, loading plate are included, conveyer belt is being held through the first support shaft, the setting of the second support shaft
On joint chair, conveyer belt is set in outside loading plate, is additionally provided on stacker for driving the first support shaft or the rotation of the second support shaft
The 5th motor.
9. the shipment device of automatic selling counter according to claim 8, it is characterised in that: the stacker, which is equipped with, to be used
In the sensor of goods weight on detection supporting.
10. the shipment device of automatic selling counter according to claim 5, it is characterised in that: on the lateral wall of both side plate with
And the bottom of support plate is respectively equipped with stiffening plate, the wherein stiffening plate on both side plate lateral wall forms the positioning plate.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201820836946.5U CN208188942U (en) | 2018-05-31 | 2018-05-31 | A kind of shipment device of automatic selling counter |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201820836946.5U CN208188942U (en) | 2018-05-31 | 2018-05-31 | A kind of shipment device of automatic selling counter |
Publications (1)
Publication Number | Publication Date |
---|---|
CN208188942U true CN208188942U (en) | 2018-12-04 |
Family
ID=64428880
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201820836946.5U Expired - Fee Related CN208188942U (en) | 2018-05-31 | 2018-05-31 | A kind of shipment device of automatic selling counter |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN208188942U (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108564719A (en) * | 2018-05-31 | 2018-09-21 | 周建楚 | A kind of shipment device of automatic selling counter |
CN111508146A (en) * | 2019-01-31 | 2020-08-07 | 深圳邦马特科技有限公司 | Get goods tray and vending machine |
-
2018
- 2018-05-31 CN CN201820836946.5U patent/CN208188942U/en not_active Expired - Fee Related
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108564719A (en) * | 2018-05-31 | 2018-09-21 | 周建楚 | A kind of shipment device of automatic selling counter |
CN111508146A (en) * | 2019-01-31 | 2020-08-07 | 深圳邦马特科技有限公司 | Get goods tray and vending machine |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN208188942U (en) | A kind of shipment device of automatic selling counter | |
CN108564719A (en) | A kind of shipment device of automatic selling counter | |
CN109035574A (en) | A kind of picking mechanism of automatic vending machine and out pallet piling up method | |
JP5574251B2 (en) | Press having at least one collector wagon that can be connected and disconnected | |
CN111099395B (en) | Unloading machine in bulk cargo bin | |
TW201432629A (en) | Automatic vending machine | |
CN109064644A (en) | Cargo aircraft structure is connect and comprising its counter for counter | |
CN112124836A (en) | Medicine dispensing machine | |
CN103295324A (en) | Goods discharge mechanism of vending machine | |
CN210743074U (en) | Unmanned vending machine with a plurality of independent storage bins | |
CN208284022U (en) | A kind of self-service machine | |
CN109345701B (en) | Intelligent vending machine with commodity falling prevention function | |
CN206782776U (en) | A kind of wheel hub automatic storage machine | |
CN212197060U (en) | Goods mechanism and locker are got to goods fill | |
CN214410162U (en) | Grain and oil vending machine | |
CN209265577U (en) | The picking component of intelligent vending machine | |
CN108629908A (en) | A kind of Community pharmacy | |
CN208351603U (en) | A kind of automatic lifting for automatic vending machine connects cargo aircraft structure | |
JPH10509407A (en) | Ice cream sandwich aligner subassembly | |
KR102680939B1 (en) | Apparatus for transporting merchandise | |
CN207973132U (en) | A kind of food conveyer | |
JPH09259342A (en) | Horizontal array housing type automatic vending machine | |
CN208367797U (en) | Cargo aircraft structure is connect and comprising its counter for counter | |
CN219097705U (en) | Automatic dense bin warehouse | |
CN216996075U (en) | Passive packing box and automatic feeding system |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
GR01 | Patent grant | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181204 |