CN112059692A - Car middle seat processing upset station utensil - Google Patents

Car middle seat processing upset station utensil Download PDF

Info

Publication number
CN112059692A
CN112059692A CN202010998991.2A CN202010998991A CN112059692A CN 112059692 A CN112059692 A CN 112059692A CN 202010998991 A CN202010998991 A CN 202010998991A CN 112059692 A CN112059692 A CN 112059692A
Authority
CN
China
Prior art keywords
plate
rod
fixed
lifting plate
mounting
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Withdrawn
Application number
CN202010998991.2A
Other languages
Chinese (zh)
Inventor
罗高翔
周辉
金善林
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shiyan Hewei Auto Parts Technology Co ltd
Original Assignee
Shiyan Hewei Auto Parts Technology Co ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Shiyan Hewei Auto Parts Technology Co ltd filed Critical Shiyan Hewei Auto Parts Technology Co ltd
Priority to CN202010998991.2A priority Critical patent/CN112059692A/en
Publication of CN112059692A publication Critical patent/CN112059692A/en
Withdrawn legal-status Critical Current

Links

Images

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23QDETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
    • B23Q7/00Arrangements for handling work specially combined with or arranged in, or specially adapted for use in connection with, machine tools, e.g. for conveying, loading, positioning, discharging, sorting
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B25HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25HWORKSHOP EQUIPMENT, e.g. FOR MARKING-OUT WORK; STORAGE MEANS FOR WORKSHOPS
    • B25H1/00Work benches; Portable stands or supports for positioning portable tools or work to be operated on thereby
    • B25H1/0007Work benches; Portable stands or supports for positioning portable tools or work to be operated on thereby for engines, motor-vehicles or bicycles
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B25HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25HWORKSHOP EQUIPMENT, e.g. FOR MARKING-OUT WORK; STORAGE MEANS FOR WORKSHOPS
    • B25H1/00Work benches; Portable stands or supports for positioning portable tools or work to be operated on thereby
    • B25H1/08Work benches; Portable stands or supports for positioning portable tools or work to be operated on thereby with provision for attachment of work holders
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B25HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25HWORKSHOP EQUIPMENT, e.g. FOR MARKING-OUT WORK; STORAGE MEANS FOR WORKSHOPS
    • B25H1/00Work benches; Portable stands or supports for positioning portable tools or work to be operated on thereby
    • B25H1/10Work benches; Portable stands or supports for positioning portable tools or work to be operated on thereby with provision for adjusting holders for tool or work

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Transmission Devices (AREA)

Abstract

The invention discloses an automobile middle seat machining turnover station device, which belongs to the technical field of automobile seat machining and comprises a base, wherein two supporting plates are fixed at the top of the base, a horizontal plate is arranged above the base, the top of each supporting plate is fixedly connected with the horizontal plate, an air cylinder is arranged on the horizontal plate, a lifting plate is horizontally arranged below the horizontal plate, a piston rod of the air cylinder is fixedly connected with the lifting plate, the lifting plate is slidably connected with the supporting plates, a sliding groove is formed in the bottom of the lifting plate, two adjusting blocks are slidably arranged in the sliding groove, a horizontally arranged bidirectional screw rod is rotatably arranged in the sliding groove, and the bidirectional screw rod is in threaded connection with the adjusting blocks; the clamping device provided by the invention can be used for clamping seat parts, is convenient for clamping seat parts with different sizes, has good compatibility, is convenient for processing the automobile seat parts in multiple directions by electrically driving the automobile parts to overturn, is convenient to operate, and greatly saves labor.

Description

Car middle seat processing upset station utensil
Technical Field
The invention belongs to the technical field of automobile seat processing, and particularly relates to an automobile middle seat processing turning station device.
Background
When the automobile middle seat part is machined, different surfaces of the seat part need to be machined, the seat is manually turned over for machining different surfaces, and therefore labor intensity is high, and therefore an automobile middle seat machining turning station appliance is needed to solve the problems.
Disclosure of Invention
The invention aims to provide an automobile middle seat processing and overturning station device to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: a turning station device for machining an automobile middle seat comprises a base, wherein two supporting plates are fixed to the top of the base, a horizontally arranged transverse plate is arranged above the base, the top of each supporting plate is fixedly connected with the transverse plate, an air cylinder is arranged on the transverse plate, a horizontally arranged lifting plate is arranged below the transverse plate, a piston rod of the air cylinder is fixedly connected with the lifting plate, the lifting plate is in sliding connection with the supporting plates, a sliding groove is formed in the bottom of the lifting plate, two adjusting blocks are arranged in the sliding groove in a sliding mode, a horizontally arranged bidirectional screw rod is installed in the sliding groove in a rotating mode, the bidirectional screw rod is in threaded connection with the adjusting blocks, a vertically arranged vertical plate is fixed to the bottom of each adjusting block, a horizontally arranged transverse shaft is installed on the vertical plate in a rotating mode, one opposite ends of the two transverse shafts penetrate through the vertical plate, a rotating mechanism, articulated on the mounting panel have two swinging arms, and the one end of swinging arm articulates there is the grip block, cross axle slidable mounting has the fly leaf, and the top and the bottom of fly leaf articulate there is the down tube, and the one end of two down tubes is articulated with the swinging arm respectively.
Furthermore, a vertically arranged mounting through hole is formed in the cross shaft, a horizontally arranged sliding rod is fixedly mounted in the mounting through hole, the sliding rod is sleeved on the movable plate in a sliding manner, a horizontally arranged electric push rod is fixed on the inner wall of one side of the mounting through hole, and the push rod of the electric push rod is fixedly connected with the movable plate.
Further, slewing mechanism is including setting up the cavity on the riser, and slidable mounting has the rack in the cavity, the one end that the cross axle is close to the mounting panel runs through the cavity, fixed cover is equipped with the gear on the cross axle, and wheel and rack toothing is equipped with the push rod motor in the cavity, and the push rod and the rack gear of push rod motor are connected.
Furthermore, the bidirectional screw rod comprises a left threaded rod and a right threaded rod, the thread directions of the left threaded rod and the right threaded rod are opposite, the two adjusting blocks are respectively in threaded connection with the left threaded rod and the right threaded rod, a bidirectional speed reducing motor is arranged on the lifting plate, and an output shaft of the speed reducing motor is in transmission connection with the bidirectional screw rod.
Furthermore, one side of the supporting plate close to the lifting plate is provided with a vertically arranged mounting groove, a vertically arranged guide rod is fixed in the mounting groove, and two ends of the lifting plate are slidably sleeved on the guide rod.
Further, the bottom both ends welding of lifter plate has the fixed block, is fixed with the horizontal cross axle that sets up between two fixed blocks, the regulating block sliding sleeve is located on the cross axle.
Compared with the prior art, the invention has the beneficial effects that:
drive fly leaf horizontal migration through electric putter and make the inclination of down tube change, then make the swinging arms angle change, make two grip blocks be close to each other or keep away from each other, be close to each other through two grip blocks, realize the centre gripping to seat part, drive two-way lead screw through two-way gear motor and rotate, make left threaded rod and right threaded rod rotate, make two regulating blocks be close to each other or keep away from each other, adjust the interval between two risers, be convenient for carry out the centre gripping to the seat part of different size sizes, it is compatible good.
The rack is driven to move through the push rod motor to enable the gear to rotate, the cross shaft is driven to rotate to drive the automobile parts to overturn, multi-directional processing is convenient to carry out on the automobile seat parts, operation is convenient, and manpower is greatly saved.
The clamping device provided by the invention can be used for clamping seat parts, is convenient for clamping seat parts with different sizes, has good compatibility, is convenient for processing the automobile seat parts in multiple directions by electrically driving the automobile parts to overturn, is convenient to operate, and greatly saves labor.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is an enlarged schematic view of the structure at A in FIG. 1;
fig. 3 is a schematic structural diagram of the present invention.
In the figure: 1. a base; 2. a support plate; 3. a transverse plate; 4. a lifting plate; 5. a cylinder; 6. an adjusting block; 7. a bidirectional screw rod; 8. a bidirectional reduction motor; 9. a vertical plate; 10. a horizontal axis; 11. mounting a plate; 12. a swing lever; 13. a clamping plate; 14. mounting a through hole; 15. a slide bar; 16. a movable plate; 17. a diagonal bar; 18. an electric push rod; 19. a cavity; 20. a gear; 21. a rack; 22. a push rod motor.
Detailed Description
The present invention will be further described with reference to the following examples.
The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention. The conditions in the embodiments can be further adjusted according to specific conditions, and simple modifications of the method of the present invention based on the concept of the present invention are within the scope of the claimed invention.
Referring to fig. 1-3, the invention provides an automobile middle seat processing and overturning station device, which comprises a base 1, wherein two supporting plates 2 are fixed at the top of the base 1, a horizontal plate 3 is arranged above the base 1, the top of the supporting plates 2 is fixedly connected with the horizontal plate 3, an air cylinder 5 is arranged on the horizontal plate 3, a lifting plate 4 is arranged below the horizontal plate 3, a piston rod of the air cylinder 5 is fixedly connected with the lifting plate 4, the lifting plate 4 is in sliding connection with the supporting plates 2, a sliding groove is arranged at the bottom of the lifting plate 4, two adjusting blocks 6 are arranged in the sliding groove in a sliding manner, a horizontal bidirectional screw rod 7 is rotatably arranged in the sliding groove, the bidirectional screw rod 7 is in threaded connection with the adjusting blocks 6, a vertical plate 9 is fixed at the bottom of the adjusting blocks 6, a horizontal cross shaft 10 is rotatably arranged on the vertical plate 9, and one end of the, the vertical plate 9 is provided with a rotating mechanism for rotating the cross shafts 10, a mounting plate 11 is fixed on one opposite side of the two cross shafts 10, two swing rods 12 are hinged on the mounting plate 11, one ends of the swing rods 12 are hinged with a clamping plate 13, a movable plate 16 is slidably mounted on the cross shafts 10, the top and the bottom of the movable plate 16 are hinged with inclined rods 17, and one ends of the two inclined rods 17 are respectively hinged with the swing rods 12.
In this embodiment, a mounting through hole 14 is vertically formed in the lateral shaft 10, a horizontally disposed slide rod 15 is fixedly mounted in the mounting through hole 14, a movable plate 16 is slidably sleeved on the slide rod 15, a horizontally disposed electric push rod 18 is fixed on an inner wall of one side of the mounting through hole 14, and a push rod of the electric push rod 18 is fixedly connected to the movable plate 16.
In this embodiment, the rotating mechanism includes a cavity 19 disposed on the vertical plate 9, a rack 21 is slidably mounted in the cavity 19, one end of the horizontal shaft 10 close to the mounting plate 11 penetrates through the cavity 19, a gear 20 is fixedly sleeved on the horizontal shaft 10, the gear 20 is engaged with the rack 21, a push rod motor 22 is disposed in the cavity 19, and a push rod of the push rod motor 22 is in transmission connection with the rack 21.
In this embodiment, two-way lead screw 7 comprises left threaded rod and right threaded rod, and the screw thread opposite direction of left threaded rod and right threaded rod, two regulating blocks 6 respectively with left threaded rod and right threaded rod threaded connection, be equipped with two-way gear motor 8 on the lifter plate 4, gear motor 8's output shaft and two-way lead screw 7 transmission are connected.
In this embodiment, the mounting groove of vertical setting is seted up to one side that backup pad 2 is close to lifter plate 4, and the mounting groove internal fixation has the guide arm of vertical setting, and the both ends sliding sleeve of lifter plate 4 is located on the guide arm.
In this embodiment, the fixed blocks are welded at two ends of the bottom of the lifting plate 4, the horizontal shaft is fixed between the two fixed blocks, and the adjusting block 6 is slidably sleeved on the horizontal shaft.
When using, it makes the inclination change of down tube 17 to drive the 16 horizontal migration of fly leaf through electric putter 18, then make the change of swinging arms 12 angle, make two grip blocks 13 be close to each other or keep away from each other, be close to each other through two grip blocks 13, the realization is to the centre gripping of seat part, drive two-way lead screw 7 through two-way gear motor 8 and rotate, make left threaded rod and right threaded rod rotate, make two regulating blocks 6 be close to each other or keep away from each other, adjust the interval between two risers 9, be convenient for carry out the centre gripping to the seat part of different size sizes, it is compatible good. The push rod motor 22 drives the rack 21 to move so that the gear 20 rotates, the transverse shaft 10 rotates to drive the automobile part to overturn, multi-azimuth processing is convenient to carry out on the automobile seat part, operation is convenient, and manpower is greatly saved. The clamping device provided by the invention can be used for clamping seat parts, is convenient for clamping seat parts with different sizes, has good compatibility, is convenient for processing the automobile seat parts in multiple directions by electrically driving the automobile parts to overturn, is convenient to operate, and greatly saves labor.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the equipment or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. The utility model provides a seat processing upset station utensil in middle of car, includes base (1), its characterized in that: the improved structure of the lifting plate is characterized in that two supporting plates (2) are fixed at the top of the base (1), a horizontal transverse plate (3) is arranged above the base (1), the top of each supporting plate (2) is fixedly connected with the corresponding transverse plate (3), an air cylinder (5) is arranged on each transverse plate (3), a lifting plate (4) is arranged below each transverse plate (3) horizontally, a piston rod of each air cylinder (5) is fixedly connected with each lifting plate (4), each lifting plate (4) is in sliding connection with the corresponding supporting plate (2), a sliding groove is formed in the bottom of each lifting plate (4), two adjusting blocks (6) are slidably arranged in the sliding groove, a horizontally-arranged bidirectional rotary screw rod (7) is arranged in the sliding groove, the bidirectional screw rod (7) is in threaded connection with the adjusting blocks (6), a vertically-arranged vertical plate (9) is fixed at the bottom of each adjusting block (6), and a horizontally-arranged transverse shaft, riser (9) are run through to two cross axle (10) relative one end, are equipped with on riser (9) to be used for cross axle (10) pivoted slewing mechanism, and two cross axle (10) relative one side are fixed with mounting panel (11), and it has two swinging arms (12) to hinge on mounting panel (11), and the one end of swinging arms (12) articulates there is grip block (13), cross axle (10) slidable mounting has fly leaf (16), and the top and the bottom of fly leaf (16) articulate has down tube (17), and the one end of two down tube (17) is articulated with swinging arms (12) respectively.
2. The automotive middle seat processing and overturning station apparatus as claimed in claim 1, wherein: the horizontal-type electric bicycle is characterized in that a vertically-arranged mounting through hole (14) is formed in the transverse shaft (10), a horizontally-arranged sliding rod (15) is fixedly mounted in the mounting through hole (14), the sliding rod (15) is slidably sleeved on the movable plate (16), an electric push rod (18) horizontally arranged is fixed on the inner wall of one side of the mounting through hole (14), and the push rod of the electric push rod (18) is fixedly connected with the movable plate (16).
3. The automotive middle seat processing and overturning station apparatus as claimed in claim 1, wherein: slewing mechanism has rack (21) including setting up cavity (19) on riser (9), slidable mounting in cavity (19), cavity (19) are run through to one end that cross axle (10) are close to mounting panel (11), fixed cover is equipped with gear (20) on cross axle (10), and gear (20) and rack (21) meshing are equipped with push rod motor (22) in cavity (19), and the push rod and the rack (21) transmission of push rod motor (22) are connected.
4. The automotive middle seat processing and overturning station apparatus as claimed in claim 1, wherein: two-way lead screw (7) comprise left threaded rod and right threaded rod, and the screw thread opposite direction of left threaded rod and right threaded rod, two regulating blocks (6) respectively with left threaded rod and right threaded rod threaded connection, be equipped with two-way gear motor (8) on lifter plate (4), the output shaft and the transmission of two-way lead screw (7) of gear motor (8) are connected.
5. The automotive middle seat processing and overturning station apparatus as claimed in claim 1, wherein: one side of the supporting plate (2) close to the lifting plate (4) is provided with a vertically arranged mounting groove, a vertically arranged guide rod is fixed in the mounting groove, and the two ends of the lifting plate (4) are sleeved on the guide rod in a sliding manner.
6. The automotive middle seat processing and overturning station apparatus as claimed in claim 1, wherein: the bottom both ends welding of lifter plate (4) has the fixed block, is fixed with the cross axle that the level set up between two fixed blocks, adjusting block (6) slip cap is located on the cross axle.
CN202010998991.2A 2020-09-22 2020-09-22 Car middle seat processing upset station utensil Withdrawn CN112059692A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010998991.2A CN112059692A (en) 2020-09-22 2020-09-22 Car middle seat processing upset station utensil

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010998991.2A CN112059692A (en) 2020-09-22 2020-09-22 Car middle seat processing upset station utensil

Publications (1)

Publication Number Publication Date
CN112059692A true CN112059692A (en) 2020-12-11

Family

ID=73681551

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202010998991.2A Withdrawn CN112059692A (en) 2020-09-22 2020-09-22 Car middle seat processing upset station utensil

Country Status (1)

Country Link
CN (1) CN112059692A (en)

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112975867A (en) * 2021-02-04 2021-06-18 祁标 Multi-position adjusting equipment for automobile maintenance
CN113044712A (en) * 2021-03-25 2021-06-29 宁波市凹凸重工有限公司 Suspension type wheel brake for gantry crane
CN113210657A (en) * 2021-04-26 2021-08-06 苏州明捷精密机械有限公司 Helicopter seat structure drilling equipment
CN113427445A (en) * 2021-07-27 2021-09-24 江西艾克实业有限公司 Support arrangement for hydraulic component production usefulness
CN113579769A (en) * 2021-09-10 2021-11-02 沈佳慧 Machining equipment with clamping and overturning functions and overturning process
CN114406959A (en) * 2021-09-29 2022-04-29 安徽工程大学 Clamp for particle impact noise test of semiconductor integrated circuit
CN114762962A (en) * 2021-01-12 2022-07-19 霍山鑫林机电制造有限公司 Clamp with quick positioning structure for production and processing based on stop valve
CN114800400A (en) * 2022-05-17 2022-07-29 浙江鼎林家具股份有限公司 Manufacturing process and device for high-speed rail seat framework
CN115229531A (en) * 2022-08-03 2022-10-25 成都吉豪汽车部件有限公司 Turnover device for processing automobile parts
CN116754785A (en) * 2023-08-21 2023-09-15 质谱生物科技有限公司 Full-automatic modular sample pretreatment device

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114762962A (en) * 2021-01-12 2022-07-19 霍山鑫林机电制造有限公司 Clamp with quick positioning structure for production and processing based on stop valve
CN112975867A (en) * 2021-02-04 2021-06-18 祁标 Multi-position adjusting equipment for automobile maintenance
CN113044712A (en) * 2021-03-25 2021-06-29 宁波市凹凸重工有限公司 Suspension type wheel brake for gantry crane
CN113210657A (en) * 2021-04-26 2021-08-06 苏州明捷精密机械有限公司 Helicopter seat structure drilling equipment
CN113427445A (en) * 2021-07-27 2021-09-24 江西艾克实业有限公司 Support arrangement for hydraulic component production usefulness
CN113579769A (en) * 2021-09-10 2021-11-02 沈佳慧 Machining equipment with clamping and overturning functions and overturning process
CN114406959A (en) * 2021-09-29 2022-04-29 安徽工程大学 Clamp for particle impact noise test of semiconductor integrated circuit
CN114800400A (en) * 2022-05-17 2022-07-29 浙江鼎林家具股份有限公司 Manufacturing process and device for high-speed rail seat framework
CN115229531A (en) * 2022-08-03 2022-10-25 成都吉豪汽车部件有限公司 Turnover device for processing automobile parts
CN116754785A (en) * 2023-08-21 2023-09-15 质谱生物科技有限公司 Full-automatic modular sample pretreatment device

Similar Documents

Publication Publication Date Title
CN112059692A (en) Car middle seat processing upset station utensil
CN212265288U (en) Car middle seat processing upset station utensil
CN113998621B (en) New energy automobile maintains uses lift positioner
CN213997885U (en) Pinhole drilling equipment is used in microwave oven gyro wheel processing
CN111929055A (en) Pressure test platform for electronic valve of commercial vehicle engine
CN111055032A (en) Angle-adjustable clamp structure
CN208068159U (en) A kind of car deceleration device installing mechanism
CN110757443A (en) Industrial robot presss from both sides and gets device
CN215509774U (en) Automobile part welding device convenient to overturn
CN213135694U (en) Water injection well choke welding set convenient to adjust
CN214686091U (en) Movable top detection device for automobile panoramic sunroof
CN211810303U (en) Large-scale multipurpose aviation removes ladder
CN209792364U (en) pressure former in bicycle
CN208437457U (en) A kind of bending machine
CN112815714A (en) High metalworking smelting tool of stability
CN208437562U (en) A kind of apparatus for bending and bending machine of bending machine
CN113979387A (en) Climbing equipment for maintenance and overhaul based on medical equipment
CN213672260U (en) Flange yoke end face broaching clamping device
CN213290007U (en) Positioning equipment is used in processing of constant velocity cardan joint drive shaft assembly
CN220971169U (en) Pressure tank welded equipment frock
CN219945135U (en) Frame welding fixture for automobile welding
CN218135852U (en) Car sub vehicle frame welding position degree detection tool
CN215556938U (en) Steel bottle inverting platform device
CN220745237U (en) Lifting equipment for automobile detection
CN220942710U (en) Car seat processing return bend equipment

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
WW01 Invention patent application withdrawn after publication

Application publication date: 20201211

WW01 Invention patent application withdrawn after publication