CN112810569A - Freely selectable wiper capable of enlarging operation range - Google Patents
Freely selectable wiper capable of enlarging operation range Download PDFInfo
- Publication number
- CN112810569A CN112810569A CN202110245390.9A CN202110245390A CN112810569A CN 112810569 A CN112810569 A CN 112810569A CN 202110245390 A CN202110245390 A CN 202110245390A CN 112810569 A CN112810569 A CN 112810569A
- Authority
- CN
- China
- Prior art keywords
- shaft
- cavity
- transmission
- wiper
- rod
- 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- Withdrawn
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60S—SERVICING, CLEANING, REPAIRING, SUPPORTING, LIFTING, OR MANOEUVRING OF VEHICLES, NOT OTHERWISE PROVIDED FOR
- B60S1/00—Cleaning of vehicles
- B60S1/02—Cleaning windscreens, windows or optical devices
- B60S1/04—Wipers or the like, e.g. scrapers
- B60S1/32—Wipers or the like, e.g. scrapers characterised by constructional features of wiper blade arms or blades
- B60S1/34—Wiper arms; Mountings therefor
- B60S1/3402—Wiper arms; Mountings therefor with means for obtaining particular wiping patterns
- B60S1/3406—Wiper arms; Mountings therefor with means for obtaining particular wiping patterns the wiper blades being rotated with respect to the wiper arms around an axis perpendicular to the wiped field
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60S—SERVICING, CLEANING, REPAIRING, SUPPORTING, LIFTING, OR MANOEUVRING OF VEHICLES, NOT OTHERWISE PROVIDED FOR
- B60S1/00—Cleaning of vehicles
- B60S1/02—Cleaning windscreens, windows or optical devices
- B60S1/04—Wipers or the like, e.g. scrapers
- B60S1/32—Wipers or the like, e.g. scrapers characterised by constructional features of wiper blade arms or blades
- B60S1/34—Wiper arms; Mountings therefor
- B60S1/3402—Wiper arms; Mountings therefor with means for obtaining particular wiping patterns
- B60S1/3409—Wiper arms; Mountings therefor with means for obtaining particular wiping patterns the wiper arms consisting of two or more articulated elements
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60S—SERVICING, CLEANING, REPAIRING, SUPPORTING, LIFTING, OR MANOEUVRING OF VEHICLES, NOT OTHERWISE PROVIDED FOR
- B60S1/00—Cleaning of vehicles
- B60S1/02—Cleaning windscreens, windows or optical devices
- B60S1/04—Wipers or the like, e.g. scrapers
- B60S1/32—Wipers or the like, e.g. scrapers characterised by constructional features of wiper blade arms or blades
- B60S1/34—Wiper arms; Mountings therefor
- B60S1/3418—Wiper arms; Mountings therefor with means for additionally adjusting the wiper arm working position with respect to the surface to be wiped
Abstract
The embodiment of the invention discloses a windscreen wiper capable of freely selecting and enlarging an operation range, which comprises a vehicle body and a transmission rod positioned on the upper side of the vehicle body; a wiper rod is arranged at the lower right side of the transmission rod; an adjusting block is arranged in the vehicle body, an adjusting cavity with an upward opening is arranged in the adjusting block, and an arc-shaped rack arranged in an arc shape is fixedly connected to the outer end wall of the adjusting cavity; the adjustable windscreen wiper comprises a wiper rod, a regulating cavity is arranged in the wiper rod, a rack gear is arranged in the regulating cavity, the rack gear can be meshed with an arc-shaped rack, and a one-way bearing is arranged in the rack gear in a rotatable connection mode.
Description
Technical Field
The embodiment of the invention relates to the technical field of automobiles, in particular to a wiper capable of freely selecting and enlarging an operation range.
Background
When the automobile is driven in rainy days, the windscreen wiper is an important part, but most of windscreen wipers can only work in a fixed range, certain dead angles exist on two sides of the windscreen wiper and are not scraped, the visible range of a part of drivers is reduced to a certain extent, and therefore the driving of the drivers can be influenced.
Disclosure of Invention
Therefore, the embodiment of the invention provides the wiper capable of freely and selectively enlarging the operation range, and the problem that the operation range of the wiper is small is solved.
In order to achieve the above object, an embodiment of the present invention provides the following:
a wiper capable of freely selecting and increasing the working range comprises a vehicle body and a transmission rod positioned on the upper side of the vehicle body;
a wiper rod is arranged on the lower right side of the transmission rod;
an adjusting block is arranged in the vehicle body, an adjusting cavity with an upward opening is arranged in the adjusting block, and an arc-shaped rack arranged in an arc shape is fixedly connected to the outer end wall of the adjusting cavity;
the adjusting cavity is internally provided with a rack gear, the rack gear can be meshed with the arc-shaped rack, and the rack gear is internally rotatably connected with a one-way bearing.
On the basis of the technical scheme, be equipped with the final drive chamber in the automobile body, the regulating block is located the final drive intracavity, the left downside intercommunication in final drive chamber is equipped with the connecting rod transmission chamber, the right downside in final drive chamber is equipped with transmission straight gear chamber, transmission straight gear chamber left side intercommunication is equipped with the camshaft chamber, the upper left end wall internal rotation cooperation in final drive chamber is connected and is equipped with and extends to the external world and extend to down right the axis of rotation in the final drive intracavity, the axis of rotation with fixed connection between the transfer line, fixed connection is equipped with in the axis of rotation and is located the reciprocal rolling disc of final drive intracavity.
On the basis of the technical scheme, a motor is fixedly arranged in the lower right end wall of the connecting rod transmission cavity, a motor shaft extending into the connecting rod transmission cavity from left to top is fixedly connected to the upper left end face of the motor, a motor turntable is fixedly connected to the tail end of the upper left side of the motor shaft, a connecting rod partially located in the main transmission cavity is arranged in the connecting rod transmission cavity, and hinge pairs are arranged between the connecting rod and the motor turntable and between the connecting rod and the reciprocating turntable respectively.
On the basis of the technical scheme, can rotate in the axis of rotation and be equipped with and extend to from the top left the belt intracavity just extends to from the bottom right the transmission shaft in the regulation intracavity, transmission shaft right side downside terminal with one-way bearing is fixed.
On the basis of the technical scheme, be equipped with the belt chamber in the transfer line, belt chamber right side downside end wall normal running fit be equipped with right down extend to with windscreen wiper pole fixed connection and upside down extend to the driven shaft in the belt chamber, the fixed door window that is equipped with of automobile body upper right side, the windscreen wiper pole can with the door window closely laminates, the driven shaft with connect through belt power between the transmission shaft.
On the basis of the technical scheme, the inner rotation fit connection of the left upper end wall of the transmission straight gear cavity is provided with an adjusting shaft which extends to the main transmission cavity from left to top and extends to the transmission straight gear cavity from right to bottom, the adjusting shaft is fixedly connected with the adjusting block, the terminal fixed connection of the right lower side of the adjusting shaft is provided with a helical gear, the inner rotation fit connection of the right end wall of the transmission straight gear cavity is provided with a knob shaft which extends to the outside from right to left and extends to the transmission straight gear cavity from left to top, the terminal fixed connection of the right side of the knob shaft is provided with a knob, the terminal fixed connection of the left side of the knob shaft is provided with a transmission straight gear meshed with the helical gear, two convex shaft butt cavities with openings towards left are arranged in the transmission straight gear, a convex shaft is arranged in the convex shaft cavity in a sliding manner, and the left end surface, the protruding shaft can be abutted against the protruding shaft abutting cavity.
On the basis of the technical scheme, the transmission shaft and the rotating shaft are not concentric, and large friction force exists between the transmission shaft and the rotating shaft, and the friction force is larger than the rotating force of the wiper rod during working.
On the basis of the technical scheme, large friction force exists between the adjusting shaft and the vehicle body, and the friction force is larger than the friction force between the transmission shaft and the rotating shaft and smaller than manpower.
On the basis of the technical scheme, the transmission shaft is not concentric with the rotating shaft, namely when the rotating shaft rotates in a reciprocating mode, the transmission shaft drives the one-way bearing and the rack and pinion to swing in a reciprocating mode, and the wiper rod can be driven to rotate for a circle just through the limitation of the arc-shaped rack when the wiper rod swings once.
The embodiment of the invention has the following advantages: the invention controls whether the arc-shaped rack is meshed with the rack gear or not by rotating the knob, so that whether the windscreen wiper is started or not is selected to enlarge the operation range of the windscreen wiper, the windscreen wiper is convenient to adapt to different people, unnecessary energy consumption is avoided, meanwhile, the wiping range of the windscreen wiper is enlarged by rotating the windscreen wiper rod, the visual range of a driver is enlarged in a certain range, and the influence on the driving of the driver is avoided.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It should be apparent that the drawings in the following description are merely exemplary, and that other embodiments can be derived from the drawings provided by those of ordinary skill in the art without inventive effort.
The structures, ratios, sizes, and the like shown in the specification are only used for matching with the contents disclosed in the specification, so that those skilled in the art can understand and read the invention, and do not limit the limit conditions of the invention, so that the invention has no technical essence, and any structural modification, ratio relationship change or size adjustment should still fall within the scope of the technical contents disclosed in the invention without affecting the efficacy and the achievable purpose of the invention.
Fig. 1 is a schematic view showing an overall configuration of a wiper blade capable of selectively enlarging a working range according to an embodiment of the present invention.
Fig. 2 is an enlarged schematic view of a structure at a in fig. 1.
Fig. 3 is an enlarged schematic view of the structure at B in fig. 1.
Fig. 4 is a schematic sectional view of fig. 2 taken along the direction C-C.
Fig. 5 is a flow chart of the oscillating movement of the one-way bearing and the rack and pinion in fig. 1.
Fig. 6 is a flow chart of the rotation of the wiper of fig. 1.
Fig. 7 is an external three-dimensional view of the wiper blade.
Detailed Description
While embodiments of the present invention will be described with reference to particular embodiments, those skilled in the art will readily appreciate that the present invention has additional advantages and benefits that may be realized from the teachings herein, and that the embodiments described are only a few, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1 to 7, the invention provides a wiper blade capable of freely selecting and increasing the working range, which comprises a vehicle body 10 and a transmission rod 30 positioned on the upper side of the vehicle body 10;
a wiper rod 33 is arranged at the lower right side of the transmission rod 30;
an adjusting block 17 is arranged in the vehicle body 10, an adjusting cavity 16 with an upward opening is arranged in the adjusting block 17, and an arc-shaped rack 18 arranged in an arc shape is fixedly connected to the outer end wall of the adjusting cavity 16;
a rack gear 38 is arranged in the adjusting cavity 16, the rack gear 38 can be meshed with the arc-shaped rack 18, and a one-way bearing 37 can be rotatably connected and arranged in the rack gear 38.
Be equipped with final drive chamber 46 in the automobile body 10, regulating block 17 is located in the final drive chamber 46, the left downside intercommunication in final drive chamber 46 is equipped with connecting rod transmission chamber 47, the right downside in final drive chamber 46 is equipped with transmission straight gear chamber 15, transmission straight gear chamber 15 left side intercommunication is equipped with camshaft chamber 21, the upper left end wall internal rotation cooperation in final drive chamber 46 is connected and is equipped with and extends to the external world and extend to down right rotation axis 36 in the final drive chamber 46, axis of rotation 36 with fixed connection between the transfer line 30, fixed connection is equipped with and is located reciprocating rotary disk 44 in the final drive chamber 46 in the axis of rotation 36.
The motor 40 is fixedly arranged in the lower right end wall of the connecting rod transmission cavity 47, a motor shaft 41 extending into the connecting rod transmission cavity 47 from left to top is fixedly connected to the upper left end face of the motor 40, a motor turntable 42 is fixedly connected to the tail end of the upper left side of the motor shaft 41, a connecting rod 43 partially located in the main transmission cavity 46 is arranged in the connecting rod transmission cavity 47, and hinge pairs are arranged between the connecting rod 43 and the motor turntable 42 and between the connecting rod 43 and the reciprocating rotary disc 44 respectively.
Can rotate in the axis of rotation 36 and be equipped with extend to upward left in the belt chamber 32 and extend to downward right transmission shaft 35 in the regulation chamber 16, transmission shaft 35 downside right end with one-way bearing 37 is fixed.
Be equipped with belt chamber 32 in the transfer line 30, belt chamber 32 right side lower side end wall normal running fit be equipped with right down extend to with wiper rod 33 fixed connection and upper side left extend to driven shaft 31 in the belt chamber 32, the fixed door window 45 that is equipped with of automobile body 10 upper right side, wiper rod 33 can with door window 45 closely laminates, driven shaft 31 with pass through belt 34 power connection between the transmission shaft 35.
The upper left end wall of the transmission straight gear cavity 15 is connected in a rotation fit manner and is provided with an adjusting shaft 39 which extends to the interior of the main transmission cavity 46 from the upper left and extends to the interior of the transmission straight gear cavity 15 from the lower right, the adjusting shaft 39 is fixedly connected with the adjusting block 17, the terminal fixed connection of the lower right side of the adjusting shaft 39 is provided with a helical gear 11, the inner wall of the right end wall of the transmission straight gear cavity 15 is connected in a rotation fit manner and is provided with a knob shaft 14 which extends to the outside from the right and extends to the interior of the transmission straight gear cavity 15 from the left, the terminal fixed connection of the right side of the knob shaft 14 is provided with a knob 12, the terminal fixed connection of the left side of the knob shaft 14 is provided with a transmission straight gear 13 meshed with the helical gear 11, two left-opened convex shaft abutting cavities 23 are arranged in the transmission straight gear 13, a convex shaft 22 is arranged in the convex shaft cavity 21 in a sliding manner, the protruding shaft 22 can abut against the protruding shaft abutment cavity 23.
The transmission shaft 35 is not concentric with the rotating shaft 36, and a large friction force exists between the transmission shaft 35 and the rotating shaft 36, and the friction force is larger than the rotating force of the wiper rod 33 during operation.
The adjusting shaft 39 and the vehicle body 10 have a large friction force, which is larger than the friction force between the transmission shaft 35 and the rotating shaft 36, but smaller than the manual force.
The transmission shaft 35 is not concentric with the rotation shaft 36, that is, when the rotation shaft 36 rotates reciprocally, the transmission shaft 35 drives the one-way bearing 37 and the rack gear 38 to oscillate reciprocally, and when the oscillating movement is performed once, the wiper rod 33 can be driven to rotate exactly one circle by the limitation of the arc rack 18.
When the windscreen wiper is used, when the operation range of the windscreen wiper does not need to be expanded, the arc-shaped rack 18 is positioned outside the swinging range of the rack gear 38, the motor 40 is started when the windscreen wiper is started, the motor 40 rotates to drive the motor turntable 42 to rotate through the motor shaft 41, the motor turntable 42 rotates the connecting rod 43 to drive the reciprocating rotating disc 44 to perform reciprocating rotation, and the reciprocating rotating disc 44 rotates to drive the transmission rod 30 to perform reciprocating swinging through the rotating shaft 36, so that the windscreen wiper rod 33 swings, namely the windscreen wiper operates in a normal range;
when the operation range of the windscreen wiper needs to be expanded, the knob 12 is rotated firstly, the knob 12 drives the transmission straight gear 13 to rotate through the knob shaft 14, the transmission straight gear 13 drives the adjusting shaft 39 to rotate through the bevel gear 11, the adjusting shaft 39 rotates and drives the arc-shaped rack 18 to rotate through the adjusting block 17 until the arc-shaped rack stops in the swing range of the rack gear 38, namely the convex shaft 22 is abutted to the other convex shaft abutting cavity 23 under the elastic force action of the convex shaft spring 20, and the windscreen wiper can be started to rotate at the moment;
namely, the motor 40 rotates to drive the rotating shaft 36 to rotate, the rotating shaft 36 rotates to drive the transmission shaft 35 to swing, the transmission shaft 35 swings to drive the one-way bearing 37 and the rack gear 38 to swing, the rack gear 38 is driven to rotate under the limitation of the arc-shaped rack 18, the rack gear 38 rotates to drive the transmission shaft 35 to rotate through the one-way bearing 37, the transmission shaft 35 rotates to drive the driven shaft 31 to rotate through the belt 34, the driven shaft 31 rotates to drive the wiper rod 33 to rotate, and therefore the wiper is expanded in a certain operation range;
when the windscreen wiper swings backwards, the rack gear 38 cannot drive the one-way bearing 37 to rotate, and at the moment, the wiper rod 33 resets according to a normal operation range, and the part which is not scraped is scraped again.
Although the invention has been described in detail above with reference to a general description and specific examples, it will be apparent to one skilled in the art that modifications or improvements may be made thereto based on the invention. Accordingly, such modifications and improvements are intended to be within the scope of the invention as claimed.
Claims (9)
1. A wiper capable of freely selecting and enlarging operation range is characterized in that: comprises a vehicle body (10) and a transmission rod (30) positioned on the upper side of the vehicle body (10);
a wiper rod (33) is arranged on the lower right side of the transmission rod (30);
an adjusting block (17) is arranged in the vehicle body (10), an adjusting cavity (16) with an upward opening is arranged in the adjusting block (17), and an arc-shaped rack (18) arranged in an arc shape is fixedly connected to the outer end wall of the adjusting cavity (16);
be equipped with rack and pinion (38) in adjusting chamber (16), rack and pinion (38) can with arc rack (18) meshing, can rotate in rack and pinion (38) and connect and be equipped with one-way bearing (37).
2. The freely selectable increased operating range wiper blade of claim 1, a main transmission cavity (46) is arranged in the car body (10), the adjusting block (17) is positioned in the main transmission cavity (46), a connecting rod transmission cavity (47) is communicated with the left lower side of the main transmission cavity (46), a transmission straight gear cavity (15) is arranged on the right lower side of the main transmission cavity (46), the left side of the transmission straight gear cavity (15) is communicated with a boss shaft cavity (21), the upper left end wall of the main transmission cavity (46) is rotationally and cooperatively connected with a rotating shaft (36) which extends to the outside from the upper left and extends to the inside of the main transmission cavity (46) from the lower right, the rotating shaft (36) is fixedly connected with the transmission rod (30), and a reciprocating rotating disc (44) located in the main transmission cavity (46) is fixedly connected to the rotating shaft (36).
3. The windscreen wiper capable of freely and selectively increasing the working range as set forth in claim 2, wherein a motor (40) is fixedly arranged in a lower right end wall of the connecting rod transmission cavity (47), a motor shaft (41) extending into the connecting rod transmission cavity (47) from left to top is fixedly connected to an upper left end face of the motor (40), a motor turntable (42) is fixedly connected to an upper left end of the motor shaft (41), a connecting rod (43) partially positioned in the main transmission cavity (46) is arranged in the connecting rod transmission cavity (47), and hinge pairs are respectively arranged between the connecting rod (43) and the motor turntable (42) and between the connecting rod (43) and the reciprocating rotary disc (44).
4. A freely selectable wiper blade with an increased working range as claimed in claim 2, characterized in that a drive shaft (35) is rotatably arranged in said rotary shaft (36) and extends upwards to the left into said belt chamber (32) and downwards to the right into said adjustment chamber (16), said drive shaft (35) being fixed at the lower right end to said one-way bearing (37).
5. The windscreen wiper with the enlarged operating range as set forth in claim 1, wherein a belt cavity (32) is formed in said driving rod (30), a driven shaft (31) is rotatably fitted in a lower right end wall of said belt cavity (32) and extends downward to a position fixedly connected with said wiper rod (33) and upward to said belt cavity (32), a window (45) is fixedly disposed on an upper right side of said vehicle body (10), said wiper rod (33) can be closely attached to said window (45), and said driven shaft (31) is in power connection with said driving shaft (35) through a belt (34).
6. The freely selectable wiper with the enlarged working range according to claim 2, characterized in that the upper left end wall of the transmission straight gear cavity (15) is provided with an adjusting shaft (39) which extends upwards to the left into the main transmission cavity (46) and extends downwards to the right into the transmission straight gear cavity (15) in a rotationally matched manner, the adjusting shaft (39) is fixedly connected with the adjusting block (17), the lower right end of the adjusting shaft (39) is provided with a helical gear (11), the right end wall of the transmission straight gear cavity (15) is provided with a knob shaft (14) which extends outwards and extends leftwards into the transmission straight gear cavity (15) in a rotationally matched manner, the right end of the knob shaft (14) is provided with a knob (12), the left end of the knob shaft (14) is provided with a transmission straight gear (13) engaged with the helical gear (11), be equipped with protruding axle butt chamber (23) to the left of two openings in transmission straight-teeth gear (13), it is equipped with protruding axle (22) to slide in protruding axle chamber (21), protruding axle (22) left end face with connect through protruding axle spring (20) between protruding axle chamber (21) left end wall, protruding axle (22) can with protruding axle butt chamber (23) looks butt.
7. The wiper blade with the enlarged operating range as claimed in claim 4, wherein the transmission shaft (35) is not concentric with the rotation shaft (36), and a large frictional force exists between the transmission shaft (35) and the rotation shaft (36), which is larger than a rotational force of the wiper rod (33) during operation.
8. The wiper blade of claim 6, wherein the adjustment shaft (39) has a greater friction with the body (10) than the transmission shaft (35) and the rotation shaft (36) but less than the torque provided by a normal user turning the knob (12).
9. The wiper blade with the enlarged operating range as claimed in claim 7, wherein the driving shaft (35) is not concentric with the rotating shaft (36), i.e. when the rotating shaft (36) rotates reciprocally, the driving shaft (35) drives the one-way bearing (37) and the rack and pinion (38) to oscillate reciprocally, and when it oscillates once, the wiper rod (33) is driven to rotate exactly one turn by the limitation of the arc-shaped rack (18).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110245390.9A CN112810569A (en) | 2021-03-05 | 2021-03-05 | Freely selectable wiper capable of enlarging operation range |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110245390.9A CN112810569A (en) | 2021-03-05 | 2021-03-05 | Freely selectable wiper capable of enlarging operation range |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112810569A true CN112810569A (en) | 2021-05-18 |
Family
ID=75862914
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110245390.9A Withdrawn CN112810569A (en) | 2021-03-05 | 2021-03-05 | Freely selectable wiper capable of enlarging operation range |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112810569A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113173143A (en) * | 2021-06-07 | 2021-07-27 | 浙江兄弟之星汽配有限公司 | Arc parallel windscreen wiper for front windshield of automobile |
-
2021
- 2021-03-05 CN CN202110245390.9A patent/CN112810569A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113173143A (en) * | 2021-06-07 | 2021-07-27 | 浙江兄弟之星汽配有限公司 | Arc parallel windscreen wiper for front windshield of automobile |
| CN113173143B (en) * | 2021-06-07 | 2023-03-10 | 浙江兄弟之星汽配有限公司 | Radian parallel windscreen wiper of automobile front windshield |
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Legal Events
| Date | Code | Title | Description |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20210518 |