CN109363358A - A kind of household notebook computer supporting device and method - Google Patents
A kind of household notebook computer supporting device and method Download PDFInfo
- Publication number
- CN109363358A CN109363358A CN201811498139.8A CN201811498139A CN109363358A CN 109363358 A CN109363358 A CN 109363358A CN 201811498139 A CN201811498139 A CN 201811498139A CN 109363358 A CN109363358 A CN 109363358A
- Authority
- CN
- China
- Prior art keywords
- frame support
- threaded hole
- knob screw
- placing groove
- computer
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
Links
Classifications
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47B—TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
- A47B13/00—Details of tables or desks
- A47B13/02—Underframes
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47B—TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
- A47B13/00—Details of tables or desks
- A47B13/08—Table tops; Rims therefor
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47B—TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
- A47B23/00—Bed-tables; Trays; Reading-racks; Book-rests, i.e. items used in combination with something else
- A47B23/02—Bed-tables; Trays; Reading-racks; Book-rests, i.e. items used in combination with something else releasably mounted on the bedstead or another item of furniture
- A47B23/025—Bed-tables; Trays; Reading-racks; Book-rests, i.e. items used in combination with something else releasably mounted on the bedstead or another item of furniture mounted on the bedstead
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47B—TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
- A47B23/00—Bed-tables; Trays; Reading-racks; Book-rests, i.e. items used in combination with something else
- A47B23/06—Bed-tables; Trays; Reading-racks; Book-rests, i.e. items used in combination with something else characterised by association with auxiliary devices, e.g. line indicators, leaf turners, lampholders, book or page holders
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47B—TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
- A47B9/00—Tables with tops of variable height
- A47B9/08—Tables with tops of variable height with clamps acting on vertical rods
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/16—Constructional details or arrangements
- G06F1/20—Cooling means
- G06F1/203—Cooling means for portable computers, e.g. for laptops
Landscapes
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Computer Hardware Design (AREA)
- Human Computer Interaction (AREA)
- Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Casings For Electric Apparatus (AREA)
Abstract
The invention discloses a kind of household notebook computer supporting device and methods, including frame support, one side bottom of frame support is fixedly connected with fixed plate, the first threaded hole is equipped at the top of the fixed plate, the first threaded hole internal screw thread is connected with the first knob screw, the first knob screw bottom end is equipped with nut, clamping plate is equipped on the outside of the first knob screw, the cleat surface is set there are two the second threaded hole, one second threaded hole matches with the first knob screw, and the second knob screw is equipped in another described second threaded hole.The present invention is by being equipped with frame support, increase supporting surface and support degree, fixed plate, the first knob screw, nut, clamping plate and the cooperation of the second knob screw thread, it is fixedly connected with frame support with bed board and forms rock-steady structure, computer is placed in placing groove, the fixed computer of rotary spacing piece, under the anti-skidding effect of rubber coating, evade and fall risk, guarantees that computer security uses.
Description
Technical field
The present invention relates to computer relevant device field, in particular to a kind of household notebook computer supporting device and side
Method.
Background technique
Computer desk is the desk for putting computer, be critically important office and daily necessity, also it is useful in bed.It is modern
Computer desk great variety of models material multiplicity, also have very personalized design, computer is a kind of special electric appliance, it is different from electricity
Place depending on, sound equipment is that people when in use and must closely operate always, thus computer is put height, keyboard and mouse
Position have specific requirement, common wealth furniture is mostly ineligible, as soon as selection suitable computer desk, people can be made to exist
It is easily satisfied when operation, improve working efficiency.
Generally computer desk in bed, the device that do not fix on desk, use it is inconvenient, it is too soft on bed to lead
Desk body is caused to place unstable, there are the hidden danger that computer is fallen.
Therefore, it invents a kind of household notebook computer supporting device and method is necessary to solve the above problems.
Summary of the invention
The purpose of the present invention is to provide a kind of household notebook computer supporting device and methods, by being equipped with frame shape branch
Frame increases supporting surface and support degree, and fixed plate, the first knob screw, nut, clamping plate and the second knob screw thread cooperate,
It being fixedly connected with frame support with bed board and forms rock-steady structure, computer is placed in placing groove, the fixed computer of rotary spacing piece,
Under the anti-skidding effect of rubber coating, evade and fall risk, guarantees that computer security uses, it is mentioned above in the background art to solve
Problem.
To achieve the above object, the invention provides the following technical scheme: a kind of household notebook computer supporting device, packet
Frame support is included, one side bottom of frame support is fixedly connected with fixed plate, is equipped with the first threaded hole at the top of the fixed plate,
The first threaded hole internal screw thread is connected with the first knob screw, and the first knob screw bottom end is equipped with nut, and described first
It is equipped with clamping plate on the outside of knob screw, the cleat surface sets that there are two the second threaded hole, second threaded holes and first
Knob screw matches, and the second knob screw is equipped in another described second threaded hole, is equipped with table at the top of the frame support
Plate, the desktop top are equipped with placing groove, pin rod are equipped on the outside of the placing groove, is rotatably connected to limit on the outside of the pin rod
Piece.
Preferably, slide bar is equipped between the frame support and desktop, quadrangle is equipped with sliding slot at the top of the frame support,
The slide bar matches with sliding slot, and the sliding slot side is equipped with third threaded hole, is equipped with third knob in the third threaded hole
Screw, the slide bar outer sheath are equipped with spring.
Preferably, the bottom of the table is equipped with box body, and the tray interior two sides are equipped with brush-less fan, the brushless wind
It fans connecting pin and is equipped with USB interface, the box body bottom is equipped with ventilation hole, and the tray interior is equipped with noise reduction aluminium expanded sheets.
Preferably, the placing groove matches with box body, equipped with several parallelly distribute ons between the placing groove and box body
Support rod is equipped with air duct slats between two support rods, is equipped with rubber coating on the inside of the placing groove, on the outside of the air duct slats
Equipped with rubber coating.
Preferably, first partition and two second partitions, the first partition and frame shape are equipped with inside the frame support
Bracket is vertically separated to form bookshelf, two second partitions and two drawers of the laterally separated formation of frame support.
Preferably, the quantity of the fixed plate is set as two, and two fixed plates are symmetrically distributed in frame support two
End, the first partition and second partition are wholely set with frame support.
A kind of household laptop method for supporting is also wrapped including the household notebook computer supporting device
Include following steps:
S1: the first knob screw is passed through into fixed plate from the first threaded hole, and clamping plate is threaded in the first knob spiral shell
Silk bottom；
S2: after using nut strap, fixed plate to match clamping bed board with clamping plate, the second knob screw thread is connected
In another second threaded hole, it is fixedly connected with frame support with bed board and forms rock-steady structure；
S3: computer is placed in placing groove, the fixed computer of rotary spacing piece.
Technical effect and advantage of the invention:
1, by being equipped with frame support, increase supporting surface and support degree, the first knob screw is worn from the first threaded hole
Fixed plate is crossed, and clamping plate is threaded in the first knob screw bottom, using nut strap, fixed plate is matched with clamping plate
After clamping bed board, the second knob screw thread is connected in another second threaded hole, makes frame support and the fixed company of bed board
Rock-steady structure is connect and is formed, computer is placed in placing groove, the fixed computer of rotary spacing piece, under the anti-skidding effect of rubber coating,
Be conducive to evade and fall risk, guarantees that computer security uses；
2, by being equipped with slide bar and spring, slide bar slides in sliding slot, and the vibration of desktop is reduced by spring, is conducive to
The stabilization of computer drags slide bar in sliding slot and uses third knob screw fixed slip bar position, can be easily to desktop height
Frame support is separated to form bookshelf and drawer by degree lifting, computer convenient to use, first partition and two second partitions, convenient for receiving
Receive object, it is clean and tidy to be conducive to desktop, is convenient for computation
3, by being equipped with noise reduction aluminium expanded sheets and brush-less fan, it is equipped with air duct slats between placing groove and box body, USB interface is connected
Connecing computer rotates brush-less fan, from ventilation hole and external air currents in box body, is conducive to computer heat radiation, noise reduction aluminium expanded sheets energy
The noise of computer and brush-less fan work is enough effectively reduced.
Detailed description of the invention
Fig. 1 is overall structure diagram of the invention.
Fig. 2 is top view of the invention.
Fig. 3 is the structural schematic diagram of clamping plate of the present invention.
Fig. 4 is the portion the A schematic enlarged-scale view of Fig. 1 of the present invention.
In figure: 1 frame support, 2 fixed plates, 3 noise reduction aluminium expanded sheets, 4 first knob screws, 5 nuts, 6 clamping plates, 7 second rotations
Button screw, 8 desktops, 9 placing grooves, 10 pin rods, 11 limit films, 12 slide bars, 13 third knob screws, 14 springs, 15 box bodys, 16 nothings
Brush fan, 17 ventilation holes, 18 support rods, 19 first partitions, 20 second partitions.
Specific embodiment
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 description, 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.
Embodiment 1
The present invention provides a kind of household notebook computer supporting device as shown in Figs 1-4, including frame support 1,
1 one side bottom of frame support is fixedly connected with fixed plate 2, is equipped with the first threaded hole at the top of the fixed plate 2, and described first
Threaded hole internal screw thread is connected with the first knob screw 4, and 4 bottom end of the first knob screw is equipped with nut 5, the first knob spiral shell
4 outside of silk is equipped with clamping plate 6, and 6 surface of clamping plate is set there are two the second threaded hole, second threaded hole and the first knob
Screw 4 matches, and the second knob screw 7 is equipped in another described second threaded hole, is equipped with desktop at the top of the frame support 1
8, it is equipped with placing groove 9 at the top of the desktop 8, pin rod 10 is equipped on the outside of the placing groove 9, is rotatably connected on the outside of the pin rod 10
Limit film 11 increases supporting surface and support degree, the first knob screw 4 is worn from the first threaded hole by being equipped with frame support 1
Fixed plate 2 is crossed, and clamping plate 6 is threaded in 4 bottom of the first knob screw, using 5 strap 6 of nut, fixed plate 2 and folder
After the matching of plate 6 clamps bed board, the second knob screw 7 is threaded in another second threaded hole, frame support 1 and bed are made
Plate is fixedly connected with and is formed rock-steady structure, and computer is placed in placing groove 9, the fixed computer of rotary spacing piece 11, in rubber coating
Under anti-skidding effect, be conducive to evade falling risk, guarantee that computer security uses.
Further, in the above-mentioned technical solutions, slide bar 12, the frame shape are equipped between the frame support 1 and desktop 8
1 top quadrangle of bracket is equipped with sliding slot, and the slide bar 12 matches with sliding slot, and the sliding slot side is equipped with third threaded hole, institute
It states and is equipped with third knob screw 13 in third threaded hole, 12 outer sheath of slide bar is equipped with spring 14, and slide bar 12 is sliding in sliding slot
It is dynamic, and by the vibration of the reduction desktop 8 of spring 14, be conducive to the stabilization of computer, slide bar 12 is dragged in sliding slot and uses third
13 fixed slip bar of knob screw, 12 position, easily can highly be lifted desktop 8, be easy to use computer.
Further, in the above-mentioned technical solutions, 8 bottom of desktop is equipped with box body 15, the 15 inside two sides of box body
It is equipped with brush-less fan 16,16 connecting pin of brush-less fan is equipped with USB interface, and 15 bottom of box body is equipped with ventilation hole 17,
It is equipped with noise reduction aluminium expanded sheets 3 inside the box body 15, air duct slats is equipped between placing groove 9 and box body 15, USB interface is connected into computer
Brush-less fan 16 is rotated, from ventilation hole 17 and external air currents in box body 15, is conducive to computer heat radiation, noise reduction aluminium expanded sheets 3
It can be effectively reduced the noise that computer and brush-less fan 16 work.
Further, in the above-mentioned technical solutions, the placing groove 9 matches with box body 15, the placing groove 9 and box body
It is equipped with the support rod 18 of several parallelly distribute ons between 15, is equipped with air duct slats between two support rods 18, in the placing groove 9
Side is equipped with rubber coating, is equipped with rubber coating on the outside of the air duct slats.
Further, in the above-mentioned technical solutions, be equipped with inside the frame support 1 first partition 19 and two second every
Plate 20, the first partition 19 are vertically separated to form bookshelf, two second partitions 20 and frame support 1 with frame support 1
Two drawers of laterally separated formation, convenient for storage object, it is clean and tidy to be conducive to desktop, is convenient for computation.
Further, in the above-mentioned technical solutions, the quantity of the fixed plate 2 is set as two, two fixed plates 2
1 both ends of frame support are symmetrically distributed in, the first partition 19 and second partition 20 are wholely set with frame support 1.
Working method of the present invention:
Referring to Figure of description 1-4, the present invention is in use, by being equipped with frame support 1, increases supporting surface and support force
First knob screw 4 is passed through fixed plate 2 from the first threaded hole, and clamping plate 6 is threaded in 4 bottom of the first knob screw by degree
After fixed plate 2 matches clamping bed board with clamping plate 6, the second knob screw 7 is threaded in using 5 strap 6 of nut for portion
In another second threaded hole, it is fixedly connected with frame support 1 with bed board and forms rock-steady structure, computer is placed on placing groove 9
Interior, the fixed computer of rotary spacing piece 11 is conducive to evade falling risk, guarantees computer security under the anti-skidding effect of rubber coating
It uses；
Referring to Figure of description 1, the present invention is in use, and slide bar 12 slides in sliding slot, and reduces table by spring 14
The vibration of plate 8 is conducive to the stabilization of computer, and slide bar 12 is dragged in sliding slot and uses 13 fixed slip bar of third knob screw 12
It sets, easily desktop 8 highly can be lifted, be easy to use computer, first partition 19 and two second partitions 20 by frame shape branch
Frame 1 is separated to form bookshelf and drawer, and convenient for storage object, it is clean and tidy to be conducive to desktop, is convenient for computation；
Referring to Figure of description 1, the present invention is in use, and air duct slats is equipped between placing groove 9 and box body 15, USB is connect
Mouth connection computer rotates brush-less fan 16, from ventilation hole 17 and external air currents in box body 15, is conducive to computer heat radiation, disappears
Sound aluminium expanded sheets 3 can be effectively reduced the noise that computer and brush-less fan 16 work.
Embodiment 2
A kind of household laptop method for supporting is also wrapped including the household notebook computer supporting device
Include following steps:
S1: the first knob screw 4 is passed through into fixed plate 2 from the first threaded hole, and clamping plate 6 is threaded in the first knob
4 bottom of screw；
S2: after using 5 strap 6 of nut, fixed plate 2 to match clamping bed board with clamping plate 6, by 7 spiral shell of the second knob screw
Line is connected in another second threaded hole, is fixedly connected with frame support 1 with bed board and is formed rock-steady structure；
S3: computer is placed in placing groove 9, the fixed computer of rotary spacing piece 11.
Finally, it should be noted that the foregoing is only a preferred embodiment of the present invention, it is not intended to restrict the invention,
Although the present invention is described in detail referring to the foregoing embodiments, for those skilled in the art, still may be used
To modify the technical solutions described in the foregoing embodiments or equivalent replacement of some of the technical features,
All within the spirits and principles of the present invention, any modification, equivalent replacement, improvement and so on should be included in of the invention
Within protection scope.
Claims (7)
1. a kind of household notebook computer supporting device, including frame support (1), it is characterised in that: the frame support (1)
One side bottom is fixedly connected with fixed plate (2), is equipped with the first threaded hole at the top of the fixed plate (2), in first threaded hole
It is threaded with the first knob screw (4), the first knob screw (4) bottom end is equipped with nut (5), the first knob screw
(4) outside is equipped with clamping plate (6), and clamping plate (6) surface is set there are two the second threaded hole, second threaded hole and first
Knob screw (4) matches, and the second knob screw (7), frame support (1) top are equipped in another described second threaded hole
Portion is equipped with desktop (8), is equipped with placing groove (9) at the top of the desktop (8), is equipped with pin rod (10) on the outside of the placing groove (9), described
Limit film (11) are rotatably connected on the outside of pin rod (10).
2. a kind of household notebook computer supporting device according to claim 1, it is characterised in that: the frame support
(1) slide bar (12) are equipped between desktop (8), quadrangle is equipped with sliding slot at the top of the frame support (1), the slide bar (12) with
Sliding slot matches, and the sliding slot side is equipped with third threaded hole, is equipped with third knob screw (13), institute in the third threaded hole
Slide bar (12) outer sheath is stated equipped with spring (14).
3. a kind of household notebook computer supporting device according to claim 1, it is characterised in that: the desktop (8)
Bottom is equipped with box body (15), and the internal two sides of the box body (15) are equipped with brush-less fan (16), brush-less fan (16) connection
End is equipped with USB interface, and box body (15) bottom is equipped with ventilation hole (17), and noise reduction aluminium expanded sheets is equipped with inside the box body (15)
(3)。
4. a kind of household notebook computer supporting device according to claim 3, it is characterised in that: the placing groove
(9) match with box body (15), the support rod (18) of several parallelly distribute ons be equipped between the placing groove (9) and box body (15),
It is equipped with air duct slats between two support rods (18), rubber coating, the air duct slats outside are equipped on the inside of the placing groove (9)
Equipped with rubber coating.
5. a kind of household notebook computer supporting device according to claim 1, it is characterised in that: the frame support
(1) internal to be equipped with first partition (19) and two second partitions (20), the first partition (19) and frame support (1) are vertically divided
Every formation bookshelf, two second partitions (20) and two drawers of frame support (1) laterally separated formation.
6. a kind of household notebook computer supporting device according to claim 5, it is characterised in that: the fixed plate
(2) quantity is set as two, and two fixed plates (2) are symmetrically distributed in frame support (1) both ends, the first partition
(19) it is wholely set with frame support (1) with second partition (20).
7. a kind of household laptop method for supporting, it is characterised in that: taken down notes including household as described in claim 1
This computer support device, further comprising the steps of:
S1: the first knob screw (4) is passed through into fixed plate (2) from the first threaded hole, and clamping plate (6) is threaded in the first rotation
Button screw (4) bottom；
S2: after using nut (5) strap (6), fixed plate (2) to match clamping bed board with clamping plate (6), by the second knob screw
(7) it is threaded in another second threaded hole, frame support (1) is made to be fixedly connected with bed board and form rock-steady structure；
S3: computer is placed in placing groove (9), the fixed computer of rotary spacing piece (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811498139.8A CN109363358A (en) | 2018-12-07 | 2018-12-07 | A kind of household notebook computer supporting device and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811498139.8A CN109363358A (en) | 2018-12-07 | 2018-12-07 | A kind of household notebook computer supporting device and method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109363358A true CN109363358A (en) | 2019-02-22 |
Family
ID=65372911
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811498139.8A Withdrawn CN109363358A (en) | 2018-12-07 | 2018-12-07 | A kind of household notebook computer supporting device and method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109363358A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113804457A (en) * | 2021-08-31 | 2021-12-17 | 际络科技(上海)有限公司 | Supporting device for testing automatic driving truck |
| CN115500603A (en) * | 2022-10-21 | 2022-12-23 | 武冰洁 | Desktop extender |
-
2018
- 2018-12-07 CN CN201811498139.8A patent/CN109363358A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113804457A (en) * | 2021-08-31 | 2021-12-17 | 际络科技(上海)有限公司 | Supporting device for testing automatic driving truck |
| CN115500603A (en) * | 2022-10-21 | 2022-12-23 | 武冰洁 | Desktop extender |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN206024333U (en) | A kind of household desk host computer placement mainframe | |
| US10876677B2 (en) | Adjustable stand for computing device | |
| CN109363358A (en) | A kind of household notebook computer supporting device and method | |
| CN207637086U (en) | A kind of computer heat radiation rack with hiding fan | |
| CN207136563U (en) | One kind is used for indoor design portable drawing table | |
| CN105167406A (en) | Laptop desk | |
| CN209965621U (en) | Multipurpose desk for teaching | |
| CN211298833U (en) | Convenient to use's desk | |
| CN211833409U (en) | Desk convenient for students to use | |
| CN112118693A (en) | Stores pylon integral type external power adapter | |
| CN209202308U (en) | A kind of height-adjustable music easel | |
| CN208797966U (en) | A kind of information communications equipment room equipment management hand-held moving device | |
| CN203302583U (en) | Heat-radiation-type notebook computer table | |
| CN207666238U (en) | A kind of computer desk taken the inner line | |
| CN209073685U (en) | A kind of more people's desks of webpage design | |
| CN208891881U (en) | Computer room teaching desk | |
| CN208972793U (en) | A kind of mini multi-purposed desk | |
| CN211236833U (en) | Computer radiator | |
| CN107898140A (en) | Intelligent backrest case on a kind of bed | |
| CN206150933U (en) | Big student bedroom accomodates cabinet | |
| CN209931865U (en) | Notebook computer strutting arrangement for house | |
| CN206025600U (en) | Dual -purpose desk | |
| CN103914102A (en) | Notebook computer base | |
| CN221284970U (en) | Computer desk with hidden wiring frame | |
| CN207532149U (en) | A kind of Table top type file cabinet |
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 | ||
| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20190222 |