CN111943061A - Auxiliary installation lifting device for high-rise air conditioner outdoor unit - Google Patents

Auxiliary installation lifting device for high-rise air conditioner outdoor unit Download PDF

Info

Publication number
CN111943061A
CN111943061A CN202010690145.4A CN202010690145A CN111943061A CN 111943061 A CN111943061 A CN 111943061A CN 202010690145 A CN202010690145 A CN 202010690145A CN 111943061 A CN111943061 A CN 111943061A
Authority
CN
China
Prior art keywords
air conditioner
base
outdoor unit
inner cavity
column
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Withdrawn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
CN202010690145.4A
Other languages
Chinese (zh)
Inventor
不公告发明人
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to CN202010690145.4A priority Critical patent/CN111943061A/en
Publication of CN111943061A publication Critical patent/CN111943061A/en
Withdrawn legal-status Critical Current

Links

Images

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66CCRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C23/00Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
    • B66C23/18Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes specially adapted for use in particular purposes
    • B66C23/36Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes specially adapted for use in particular purposes mounted on road or rail vehicles; Manually-movable jib-cranes for use in workshops; Floating cranes
    • B66C23/48Manually-movable jib cranes for use in workshops
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66CCRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C9/00Travelling gear incorporated in or fitted to trolleys or cranes
    • B66C9/10Undercarriages or bogies, e.g. end carriages, end bogies
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66DCAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
    • B66D1/00Rope, cable, or chain winding mechanisms; Capstans
    • B66D1/02Driving gear
    • B66D1/12Driving gear incorporating electric motors
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16MFRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
    • F16M3/00Portable or wheeled frames or beds, e.g. for emergency power-supply aggregates, compressor sets

Abstract

The invention discloses an auxiliary installation and lifting device for an air conditioner outdoor unit of a high floor, which comprises: a counterweight base; the upright post is fixedly arranged at the top end of the counterweight base; the connecting column is in adaptive insertion connection with the top end of the upright column; the supporting column is fixedly arranged at the top end of the connecting column; the supporting and moving assembly is arranged on one side of the counterweight base; and the lifting mechanism is arranged in the inner cavity of the upright post. This supplementary installation hoisting device of outer machine of high floor air conditioner can be convenient for the staff and be connected the outer machine of air conditioner and mounting bracket, very big the installation degree of difficulty that has alleviateed, has saved a large amount of labours of staff.

Description

Auxiliary installation lifting device for high-rise air conditioner outdoor unit
Technical Field
The invention relates to the technical field of air conditioner installation, in particular to an auxiliary installation and lifting device for an air conditioner outdoor unit of a high floor.
Background
An Air Conditioner (Air Conditioner) is a device for adjusting and controlling parameters such as temperature, humidity and flow velocity of ambient Air in a building or a structure by manual means, more and more high-rise buildings are built along with the increase of population, and due to the particularity of high floors, great difficulty exists in installing an Air Conditioner outdoor unit.
Disclosure of Invention
The invention aims to provide an auxiliary mounting and lifting device for an air conditioner outdoor unit of a high-rise building, and aims to solve the problems that in the background technology, the mounting difficulty of the air conditioner outdoor unit is high, and a large amount of labor force of workers is consumed.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides an outer quick-witted supplementary installation hoisting device of high floor air conditioner, includes:
a counterweight base;
the upright post is fixedly arranged at the top end of the counterweight base;
the connecting column is in adaptive insertion connection with the top end of the upright column;
the supporting column is fixedly arranged at the top end of the connecting column;
the supporting and moving assembly is arranged on one side of the counterweight base;
and the lifting mechanism is arranged in the inner cavity of the upright post.
Preferably, the support moving assembly includes: the counterweight device comprises a support base, a counterweight base and a counterweight device, wherein a rectangular groove is formed in one side of the counterweight base, and a support base is inserted into an inner cavity of the rectangular groove; universal wheels are arranged on one sides of the bottom ends of the supporting base and the counterweight base; the bolt, both ends have all been seted up at both ends about both sides around the support base, the bolt has all been pegged graft to both sides one end around the counter weight base, just the bolt with the inner chamber looks spiro union of screw.
Preferably, first chutes are formed in the front side and the rear side of the inner cavity of the counterweight base along the left-right direction, first sliding blocks are inserted into the inner cavity of the first chutes, and the inner sides of the first sliding blocks are fixedly arranged on the outer side of the support base.
Preferably, the elevating and lifting mechanism includes: the fixing plate is fixedly arranged at the bottom end of the inner cavity of the upright column along the horizontal direction; the hydraulic cylinder is fixedly arranged at the top end of the fixing plate, and the top end of the hydraulic cylinder extends into the inner cavity of the connecting column and is fixedly connected with the top end of the inner cavity of the connecting column; the second sliding block, the second spout has all been seted up along upper and lower direction in both sides around the inner chamber of stand, the inner chamber of second spout is pegged graft and is had the second sliding block, just the inboard fixed setting of second sliding block is in the outside of spliced pole.
Preferably, the lifting mechanism further comprises: the servo motor is fixedly arranged at the bottom end of the inner cavity of the upright post; the output end of the servo motor is in interference fit with the wire roller; the left side and the right side of the inner cavity of the support column are respectively provided with a rotating rod in a rotating way along the front-back direction; the front side and the rear side of the outer wall of the rotating rod are respectively in interference fit with the wire guide wheels; a rope wound around an outer wall of the wire roller.
Preferably, a first circular hole is formed in one side of the top end of the fixing plate, second circular holes are formed in the front end and the rear end of the left side and the rear end of the bottom end of the supporting column, and the second circular holes are located below the wire guide wheels.
Preferably, the number of the ropes is two, one end of each rope penetrates through the inner cavity of the first circular hole and extends into the inner cavity of the support column through the second circular hole, and one side of each rope bypasses the outer wall of the wire guide wheel and extends out of the bottom end of the support column through the second circular hole.
Preferably, the bottom end of the rope is fixedly provided with a hook.
The auxiliary mounting and lifting device for the air conditioner outdoor unit of the high floor provided by the invention has the beneficial effects that:
according to the invention, the air conditioner external unit can be placed on the supporting base to move through the movable supporting component, and can be retracted into the counterweight base after being lifted, so that the air conditioner external unit can be moved out of the window, the air conditioner external unit can be connected through the hook by virtue of the lifting mechanism, and can be lifted, the height of the air conditioner external unit can be changed by changing the height of the supporting column, so that the air conditioner external unit can pass through the window at a proper position, and can be controlled to descend after passing through the window until the air conditioner external unit moves to the position corresponding to the mounting frame of the external unit, so that a worker can conveniently connect the air conditioner external unit with the mounting frame, the mounting difficulty is greatly reduced, and a large amount of labor force of the worker is saved.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a top cross-sectional view of the counterweight base of the present invention;
FIG. 3 is a cross-sectional view of the support column of the present invention;
fig. 4 is a right side cross-sectional view of a post of the present invention.
In the figure: 1. counter weight base, 2, the stand, 3, the spliced pole, 4, the support column, 5, support removal subassembly, 51, support the base, 52, the rectangular channel, 53, the universal wheel, 54, the bolt, 55, the screw, 6, lift hoist mechanism, 61, the fixed plate, 62, the pneumatic cylinder, 63, the second spout, 64, the second slider, 65, the rope, 66, servo motor, 67, the line roller, 68, the bull stick, 69, the wire wheel, 7, first spout, 8, first slider, 9, first circular port, 10, the second circular port, 11, the couple.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. 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.
Referring to fig. 1-4, the present invention provides a technical solution: the utility model provides an outer quick-witted supplementary installation hoisting device of high floor air conditioner, includes: counter weight base 1, stand 2, spliced pole 3, support column 4, support removal subassembly 5 and lift hoist mechanism 6, stand 2 is fixed to be set up on counter weight base 1's top, spliced pole 3 is pegged graft with the top looks adaptation of stand 2, spliced pole 3 can remove in stand 2, support column 4 is fixed to be set up on the top of spliced pole 3, support removal subassembly 5 and set up in one side of counter weight base 1, lift hoist mechanism 6 sets up the inner chamber at stand 2.
Preferably, the supporting and moving assembly 5 further comprises: support base 51, rectangular channel 52, universal wheel 53, bolt 54 and screw 55, rectangular channel 52 has been seted up to one side of counter weight base 1, the inner chamber of rectangular channel 52 is pegged graft and is had support base 51, it removes to place the outer machine of air conditioner on the support base 51, bottom one side of supporting base 51 and counter weight base 1 all is provided with universal wheel 53, can remove support base 51 and counter weight base 1 through being provided with universal wheel 53, screw 55 has all been seted up at both ends about support base 51 both sides, bolt 54 has all been pegged graft to both sides one end around counter weight base 1, and bolt 54 and screw 55's inner chamber looks spiro union, the cooperation through bolt 54 and screw 55 can be fixed the position that supports base 51.
As preferred scheme, further, first spout 7 has all been seted up along left right direction to both sides around the inner chamber of counter weight base 1, and the inner chamber of first spout 7 is pegged graft and is had first slider 8, and the inboard fixed setting of first slider 8 is in the outside that supports base 51, and the cooperation through first slider 8 and first spout 7 can make support base 51 remove more stably.
Preferably, the lifting mechanism 6 further includes: fixed block 61, pneumatic cylinder 62, second spout 63 and second slider 64, fixed plate 61 is along the fixed inner chamber bottom that sets up at stand 2 of horizontal direction, the fixed top that sets up at fixed plate 61 of pneumatic cylinder 62, pneumatic cylinder 62 is prior art, pneumatic cylinder 62 can drive spliced pole 3 and reciprocate, pneumatic cylinder 62's top extend into spliced pole 3 the inner chamber and with spliced pole 3's inner chamber top fixed connection, second spout 63 has all been seted up along upper and lower direction in both sides around the inner chamber of stand 2, the inner chamber of second spout 63 is pegged graft and is had second slider 64, and the inboard fixed outside that sets up at spliced pole 3 of second slider 64, cooperation through second spout 63 and second slider 64 can make spliced pole 3 steady removal.
Preferably, the lifting mechanism 6 further comprises: rope 65, servo motor 66, line roller 67, bull stick 68 and wire wheel 69, servo motor 66 is fixed to be provided with servo motor 66 at the inner chamber bottom mounting of stand 2, servo motor 66's output interference fit has line roller 67, servo motor 66 is prior art, servo motor 66 can drive line roller 67 around self axis clockwise or anticlockwise rotation, the servo motor model that accords with the present case all can use, the inner chamber left and right sides of support column 4 all rotates along the fore-and-aft direction and is provided with bull stick 68, equal interference fit in both sides has wire wheel 69 around the outer wall of bull stick 68, rope 65 twines on the outer wall of line roller 67, wire wheel 69 can support and lead rope 65.
As preferred scheme, further, first circular port 9 has been seted up to top one side of fixed plate 61, and second circular port 10 has all been seted up at both ends around the bottom left and right sides of support column 4, and second circular port 10 is located the below of wire wheel 69, and rope 65 of can being convenient for removes through having seted up first circular port 9 and second circular port 10.
Preferably, the number of the ropes 65 is two, one end of each rope 65 penetrates through the inner cavity of the first circular hole 9 and extends into the inner cavity of the support column 4 through the second circular hole 10, one side of each rope 65 bypasses the outer wall of the guide wheel 69 and extends out of the bottom end of the support column 4 through the second circular hole 10, and when the rope 65 is placed outside by the wire roller 67, one end of each rope 65 can move downwards under the gravity of the hook 11.
Preferably, a hook 11 is fixedly provided at a bottom end of the rope 65, and the outdoor unit of the air conditioner can be connected by providing the hook 11.
The detailed connection means is a technique known in the art, and the following mainly describes the working principle and process, and the specific operation is as follows.
The method comprises the following steps: the air conditioner external unit can be placed on the supporting base 51 and can be moved through the universal wheels 53, so that the air conditioner external unit can be conveniently conveyed and can be moved to the window side;
step two: the external power supply of the servo motor 66 and the hydraulic cylinder 62 is connected, after the servo motor 66 is started, the wire roller 67 can be driven to rotate anticlockwise around the axis of the wire roller 67, so that the rope 65 wound on the wire roller 67 can be discharged outwards, the hook 11 can pull the rope 65 to move downwards under the support of the wire guide wheel 69 under the self gravity, and the hook 11 can be connected with an air conditioner external unit placed on the support base 51;
step three: the servo motor 66 is controlled to drive the wire roller 67 to rotate clockwise around the axis of the wire roller, so that the rope 10 can be wound and contracted, and the air conditioner outdoor unit can be lifted up under the support of the rotating rod 68 and the wire guide wheel 69;
step four: the driving hydraulic cylinder 62 can push the connecting column 3 to move up and down stably under the restriction of the second chute 63 and the second slider 64, so that the heights of the supporting column 4 and the air conditioner outdoor unit can be adjusted, the supporting column can penetrate through a window at a proper position, the bolt 54 can be rotated to enable the bolt 54 to be separated from the contact with the inner cavity of the screw hole 55, the position fixing of the supporting base 51 can be released, the supporting base 51 is further inserted into the inner cavity of the counterweight base 1 under the restriction of the first chute 7 and the first slider 8, the bolt 54 is rotated again to be screwed into the screw hole 55 corresponding to the bolt, the position of the supporting base 51 can be fixed, and the air conditioner outdoor unit can be moved out of the window;
step five: the servo motor 66 is controlled again to drive the wire roller 67 to rotate anticlockwise around the axis of the wire roller, so that the height of the air conditioner outdoor unit is lowered until the wire roller is moved to the position corresponding to the position of the outdoor unit mounting frame, the air conditioner outdoor unit can be conveniently connected with the mounting frame by workers, the mounting difficulty is greatly reduced, and a large amount of labor force of the workers is saved.
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 (8)

1. The utility model provides an outer quick-witted supplementary installation hoisting device of high floor air conditioner which characterized in that includes:
a counterweight base (1);
the upright column (2) is fixedly arranged at the top end of the counterweight base (1);
the connecting column (3) is in adaptive insertion connection with the top end of the upright column (2);
the supporting column (4) is fixedly arranged at the top end of the connecting column (3);
the supporting and moving assembly (5) is arranged on one side of the counterweight base (1);
and the lifting mechanism (6) is arranged in the inner cavity of the upright post (2).
2. The auxiliary mounting and lifting device for the outdoor unit of the air conditioner on the high floor as claimed in claim 1, wherein: the supporting and moving assembly (5) comprises:
the counterweight device comprises a support base (51), wherein a rectangular groove (52) is formed in one side of the counterweight base (1), and the support base (51) is inserted into an inner cavity of the rectangular groove (52);
universal wheels (53), wherein the universal wheels (53) are arranged on one side of the bottom ends of the supporting base (51) and the counterweight base (1);
the counterweight device comprises bolts (54), screw holes (55) are formed in the left end and the right end of the front side and the rear side of the support base (51), the bolts (54) are inserted into one ends of the front side and the rear side of the counterweight base (1), and the bolts (54) are in threaded connection with the inner cavities of the screw holes (55).
3. The auxiliary mounting and lifting device for the outdoor unit of the air conditioner on the high floor as claimed in claim 2, wherein: first spout (7) have all been seted up along left right direction in both sides around the inner chamber of counter weight base (1), the inner chamber of first spout (7) is pegged graft and is had first slider (8), just the inboard fixed setting of first slider (8) is in support the outside of base (51).
4. The auxiliary mounting and lifting device for the outdoor unit of the air conditioner on the high floor as claimed in claim 1, wherein: the lifting mechanism (6) comprises:
the fixing plate (61) is fixedly arranged at the bottom end of the inner cavity of the upright post (2) along the horizontal direction;
the hydraulic cylinder (62) is fixedly arranged at the top end of the fixing plate (61), and the top end of the hydraulic cylinder (62) extends into the inner cavity of the connecting column (3) and is fixedly connected with the top end of the inner cavity of the connecting column (3);
the inner cavity of the upright post (2) is provided with a second sliding groove (63) along the vertical direction, the inner cavity of the second sliding groove (63) is spliced with a second sliding block (64), and the inner side of the second sliding block (64) is fixedly arranged on the outer side of the connecting post (3).
5. The auxiliary mounting and lifting device for the outdoor unit of the air conditioner on the high floor as claimed in claim 4, wherein: the lifting mechanism (6) further comprises:
the servo motor (66) is fixedly arranged at the bottom end of the inner cavity of the upright post (2) and is fixedly provided with the servo motor (66);
the output end of the servo motor (66) is in interference fit with the wire roller (67);
the left side and the right side of the inner cavity of the support column (4) are respectively provided with a rotating rod (68) in a rotating way along the front-back direction;
the front side and the rear side of the outer wall of the rotating rod (68) are respectively in interference fit with the wire guide wheel (69);
a rope (65) wound around an outer wall of the wire roller (67).
6. The auxiliary mounting and lifting device for the outdoor unit of the air conditioner on the high floor as claimed in claim 5, wherein: first circular port (9) have been seted up to the top one side of fixed plate (61), second circular port (10) have all been seted up at both ends around the bottom left and right sides of support column (4), just second circular port (10) are located the below of wire wheel (69).
7. The auxiliary mounting and lifting device for the outdoor unit of the air conditioner on the high floor as claimed in claim 6, wherein: the quantity of rope (65) is two, and the one end of rope (65) runs through the inner chamber of first circular port (9) and extends into through second circular port (10) the inner chamber of support column (4), the outer wall of wire wheel (69) is walked around to one side of rope (65) and extends through second circular port (10) the bottom of support column (4).
8. The auxiliary mounting and lifting device for the outdoor unit of the air conditioner on the high floor as claimed in claim 7, wherein: and a hook (11) is fixedly arranged at the bottom end of the rope (65).
CN202010690145.4A 2020-07-17 2020-07-17 Auxiliary installation lifting device for high-rise air conditioner outdoor unit Withdrawn CN111943061A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010690145.4A CN111943061A (en) 2020-07-17 2020-07-17 Auxiliary installation lifting device for high-rise air conditioner outdoor unit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010690145.4A CN111943061A (en) 2020-07-17 2020-07-17 Auxiliary installation lifting device for high-rise air conditioner outdoor unit

Publications (1)

Publication Number Publication Date
CN111943061A true CN111943061A (en) 2020-11-17

Family

ID=73340051

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202010690145.4A Withdrawn CN111943061A (en) 2020-07-17 2020-07-17 Auxiliary installation lifting device for high-rise air conditioner outdoor unit

Country Status (1)

Country Link
CN (1) CN111943061A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112897362A (en) * 2020-12-22 2021-06-04 枣阳美岛生物科技有限公司 A transport auxiliary device between process for organic fertilizer production
CN113911962A (en) * 2021-10-11 2022-01-11 四川科源暖通设备工程有限公司 Lifting device for outdoor unit of outdoor installation air conditioner
CN115258971A (en) * 2022-09-27 2022-11-01 湖南中航起落架维修工程有限公司 Hoisting crane for maintenance

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112897362A (en) * 2020-12-22 2021-06-04 枣阳美岛生物科技有限公司 A transport auxiliary device between process for organic fertilizer production
CN113911962A (en) * 2021-10-11 2022-01-11 四川科源暖通设备工程有限公司 Lifting device for outdoor unit of outdoor installation air conditioner
CN115258971A (en) * 2022-09-27 2022-11-01 湖南中航起落架维修工程有限公司 Hoisting crane for maintenance

Similar Documents

Publication Publication Date Title
CN111943061A (en) Auxiliary installation lifting device for high-rise air conditioner outdoor unit
CN109179108B (en) Intelligent elevator for building engineering construction
CN111980391A (en) Integral hoisting platform and building method of building outer facade construction platform
CN201264877Y (en) Small-sized material hoisting machine for building fitment
CN215254462U (en) Building climbing frame lifting synchronizer
CN212176505U (en) Novel adjustable safety fixing type hanging basket for construction
CN211369175U (en) Curtain wall mounting device
CN108462334A (en) A kind of traction electric machine stator turnover device easy to operation used
CN216190569U (en) Assembled wall body installation auxiliary device
CN209799334U (en) lifting device for lifting scaffold
CN113738130A (en) Large-inclined-plane curtain wall keel mounting device and construction method thereof
CN210341634U (en) Viaduct outer wall painting crane
CN220550901U (en) Safe passageway strutting arrangement of construction is built in room
CN108868171B (en) Pitching follow-up crossing frame and control method thereof
CN211255167U (en) Attached lifting aerial working equipment
CN112343223A (en) Curtain wall mounting device
CN219622191U (en) Aluminum product veneer wallboard installation auxiliary device
CN220133525U (en) High-rise building concrete placement equipment
CN211714545U (en) Hanging basket for construction of three main trusses
CN217296995U (en) Cigarette rack lifting device
CN220705118U (en) Building construction reliably brakes and prevents weighing down hanging flower basket soon
CN217602005U (en) Adjustable elevator for construction
CN214989878U (en) Automatic crane for construction site
CN217281856U (en) Be used for quick installation mould of cable testing bridge
CN211813309U (en) Multi-functional lifting device of architectural equipment

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

Application publication date: 20201117

WW01 Invention patent application withdrawn after publication