CN108747268A - A kind of automobile door lock pin automatic assembly equipment - Google Patents

A kind of automobile door lock pin automatic assembly equipment Download PDF

Info

Publication number
CN108747268A
CN108747268A CN201810730764.4A CN201810730764A CN108747268A CN 108747268 A CN108747268 A CN 108747268A CN 201810730764 A CN201810730764 A CN 201810730764A CN 108747268 A CN108747268 A CN 108747268A
Authority
CN
China
Prior art keywords
pin
hose
caching
length direction
pushing
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Withdrawn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
CN201810730764.4A
Other languages
Chinese (zh)
Inventor
王燕
杨陈佳
宋美林
刘愿愿
张士厂
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.)
Shanghai Reputation Automation Technology Co Ltd
Original Assignee
Shanghai Reputation Automation 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 Shanghai Reputation Automation Technology Co Ltd filed Critical Shanghai Reputation Automation Technology Co Ltd
Priority to CN201810730764.4A priority Critical patent/CN108747268A/en
Publication of CN108747268A publication Critical patent/CN108747268A/en
Withdrawn legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23PMETAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
    • B23P19/00Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23PMETAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
    • B23P19/00Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes
    • B23P19/001Article feeders for assembling machines
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23PMETAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
    • B23P19/00Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes
    • B23P19/001Article feeders for assembling machines
    • B23P19/004Feeding the articles from hoppers to machines or dispensers
    • B23P19/005Feeding the articles from hoppers to machines or dispensers by using flowing gases
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23PMETAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
    • B23P19/00Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes
    • B23P19/02Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes for connecting objects by press fit or for detaching same
    • B23P19/027Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes for connecting objects by press fit or for detaching same using hydraulic or pneumatic means

Abstract

The invention discloses a kind of automobile door lock pin automatic assembly equipments, including workbench, be arranged workbench length direction side pin feed mechanism, pin top-pushing mechanism in the workbench length direction other side, the pin cache mechanism that is arranged between the pin feed mechanism and pin top-pushing mechanism are set, the pin feed mechanism, pin cache mechanism, pin top-pushing mechanism are sequentially connected by two hoses, several pins orderly transported are filled in inside hose.The present invention continually provides pin by the lasting vibrations of vibrating disk, hose connecting pin feed mechanism, pin top-pushing mechanism, realize pin auto-sequencing one by one, pin conveying is accurate, setting pin cache mechanism realizes that pin precisely transmits between two hoses, efficiency of assembling is high, and production cost is low.

Description

A kind of automobile door lock pin automatic assembly equipment
Technical field
The present invention relates to machine components automatic assembly technique field, relates generally to a kind of automobile door lock pin automatic assembling and set It is standby.
Background technology
Automobile door lock is one of important accessory of automobile, and the assembly of automobile door lock is also increasingly important, and door lock pin is hinge The indispensable part at place, when production generally requires is inserted into pin hole by pin, and the assembly of pin is typically to be completed by manual assembly , cause efficiency of assembling low since pin parts size is smaller, high labor cost.As market competition continues to increase, product Manufacturing cost requires constantly to reduce, and the performance that the matching requirements of pin can constantly meet product becomes particularly important;At present gradually There is pin automatic assembly equipment, but the smaller pin of accessory size is easily separated from track in transportational process, market is made It is interrupted at sequence, transfer efficiency is low.
Invention content
Continually pin is provided, it can be achieved that auto-sequencing, pin technical problem to be solved by the invention is to provide a kind of Nail conveying is accurate, improves efficiency of assembling, reduces the automobile door lock pin automatic assembly equipment of production cost.
Following technical solution may be used to realize in the technical problems to be solved by the invention:
A kind of automobile door lock pin automatic assembly equipment, which is characterized in that including workbench, be arranged in the work director Spend direction side pin feed mechanism, be arranged the workbench length direction other side pin top-pushing mechanism, setting exist Pin cache mechanism between the pin feed mechanism and pin top-pushing mechanism, the pin feed mechanism, pin cache machine Structure, pin top-pushing mechanism are sequentially connected by two hoses, several pins orderly transported are filled in inside hose;
The pin feed mechanism includes the vibrating disk being orderly delivered to several pins in the first hose,
The pin cache mechanism is soft in the caching internal stent and one end and described first including caching holder, setting The caching channel of pipe connection is arranged in second hose for caching stent length direction side and caching fill assembly, setting Caching in the caching stent length direction other side pushes component, the caching push component by several pins it is uniform between It is separated with being moved to above the second hose coupling for sequence, the caching fill assembly has the pin above second hose coupling In injection second hose of sequence;
The pin top-pushing mechanism includes pushing tow bottom plate, the bottom plate propulsion in pushing tow baseplate width direction side is arranged Component, be arranged pushing tow floor length direction side pin injection head, be arranged in the pin injection head axial direction Pin propulsion assembly positioned at the pushing tow floor length direction other side is provided with pin in the pin injection head top droop Injection channel is followed closely, the second hose constant tilt is arranged in the pin injection channel.
The beneficial effects of the invention are as follows:A kind of automobile door lock pin automatic assembly equipment passes through the lasting vibrations of vibrating disk Pin is continually provided, hose connecting pin feed mechanism, pin top-pushing mechanism realize pin auto-sequencing one by one, pin Nail conveying is accurate, and setting pin cache mechanism realizes that pin precisely transmits between two hoses, and efficiency of assembling is high, production cost It is low.
Description of the drawings
Fig. 1 is a kind of structural schematic diagram of automobile door lock pin automatic assembly equipment of the present invention.
Fig. 2 is the structural schematic diagram of inventive pin nail feed mechanism.
Fig. 3 is the structural schematic diagram of pin cache mechanism of the present invention.
Fig. 4 is the exploded perspective view of pin cache mechanism of the present invention.
Fig. 5 is the structural schematic diagram of inventive pin screw top pushing mechanism.
Fig. 6 is enlarged drawing at A in Fig. 5 of the present invention.
Specific implementation mode
In order to make the technical means, the creative features, the aims and the efficiencies achieved by the present invention be easy to understand, tie below Conjunction is specifically illustrating, and the present invention is further explained.
Referring to Fig. 1 to Fig. 6, what is provided in figure is a kind of automobile door lock pin automatic assembly equipment, including workbench 100, Be arranged 100 length direction side of workbench pin feed mechanism 200, be arranged in the 100 length direction other side of workbench Pin top-pushing mechanism 400, the pin cache mechanism 300 being arranged between pin feed mechanism 200 and pin top-pushing mechanism 400; Pin feed mechanism 200, pin cache mechanism 300, pin top-pushing mechanism 400 are sequentially connected by two hoses, pin feeding It is attached by the first hose 510 between mechanism 200 and pin cache mechanism 300, pin cache mechanism 300 and pin pushing tow Mechanism 400 is attached by the second hose 520, several pins 500 orderly transported are filled in inside hose.
Each mechanism is linked together by workbench 100, floor space is small, and precision is high, and failure rate is low, automates journey Degree is high;Hose connecting pin feed mechanism 200, pin top-pushing mechanism 400 realize the auto-sequencing one by one of pin 500, pin 500 conveyings are accurate, and setting pin cache mechanism 300 realizes that pin 500 precisely transmits between two hoses, and efficiency of assembling is high, Production cost is low.
Pin feed mechanism 200 include the vibrating disk 210 being orderly delivered to several pins 500 in first hose 510, It is used to support the support element 220 on 510 head of the first hose, is sent pin 500 into pin feed mechanism 200 by feeding port, The lasting vibrations of vibrating disk 210 continually provide pin 500, and transmission efficiency is high.
Vibrating disk 210 includes vibrating barrel 211, the annular V-type holder for being inclined at 211 outer ring surface lower part of vibrating barrel 212, semicircle shape guide groove 213 on 211 outer ring surface top of vibrating barrel is set, V-type holder 212 passes through middle part waist by screw Shape slot is detachably mounted on workbench 100 in turn.Support element 220 is fixed on work including bottom by the way that screw is detachable Pillar 221 on platform 100, can slide up and down be arranged 211 side of vibrating barrel of pillar 221 L-type supporting block 222, be arranged in L For by the fixed fixed block in the position of the first hose 510 223 in type supporting block 222;Preferably, the inside edge of fixed block 223 Width direction is provided with a mounting groove, the both sides of length direction are provided with several fixed mounting holes, and the first hose 510 passes through installation If slot is interior, the first hose is fixed in L-type supporting block 222 by bolt stem across fixed mounting hole.First hose 510 includes one end Short first hose of connection semicircle shape guide groove side, both ends are separately connected short first segment hose and pin cache mechanism 300 Long first hose, L-type supporting block 222 make short first hose be docked with long first hose, and pin 500 flows into long first hose.
Pin cache mechanism 300 includes caching holder 310, setting in 310 inside of caching holder and one end and the first hose The caching channel of 510 connections is arranged in the second hose coupling 521 for caching 310 length direction side of holder and caching injection group Part 330, the caching being arranged in the 310 length direction other side of caching holder push component 320;Caching push component 320 will be several 500 uniform intervals of a pin are orderly to be moved to above the second hose coupling 521, and caching fill assembly 330 connects the second hose In orderly the second hose of injection 520 of pin 500 of first 521 top.
The front middle part of caching holder 310 is provided with guidance set 340, guidance set 340 includes first be vertically arranged Supporting rod, the second support bar for being horizontally set on first support bar top, setting are in second support bar end for connecting first The connector of hose 510 is provided with the sensor for detecting 500 quantity of pin, the bright table of light of sensor on connector 500 quantity of pin of bright caching is enough, and vibrating disk stops vibrations.
The entrance for being located at caching channel in the right part of caching holder 310 is provided with the first part 350, in caching holder 310 middle part is provided with the second part 360 positioned at the exit in caching channel, and caching push component 320 is that an edge caches holder The cylinder of 310 length directions setting is provided with the inductor 370 that can sense pin 500, cylinder fortune in the tailpiece of the piston rod of cylinder The dynamic top that pin 500 is moved to the second hose coupling 521;Caching fill assembly 330 includes gas tank, passes through pipeline and gas tank The gas-tpe fitting in 350 left side of the first part, the inductor of cylinder piston rod end is arranged by conduit and pump connection in the pump of connection 370 sense pin 500, and air is blasted by gas-tpe fitting, and pin 500 is blown into the second hose 520.
Pin top-pushing mechanism 400 is pushed away including pushing tow bottom plate 410, the bottom plate being arranged in 410 width direction side of pushing tow bottom plate Into component 420, be arranged 410 length direction side of pushing tow bottom plate pin injection head 430, be arranged in 430 axis of pin injection head It is located at the pin propulsion assembly 440 of the 410 length direction other side of pushing tow bottom plate to direction, in 430 top droop of pin injection head It is provided with pin injection channel, 520 constant tilt of the second hose is arranged in pin injection channel.
Pushing tow bottom plate 410 is a pane;Bottom plate propulsion assembly 420 is a cylinder, and bottom plate propulsion assembly 420 pushes pushing tow Bottom plate 410 and the parts on pushing tow bottom plate 410 are moved to the line of production so that the close production of pin injection head 430 Product.Pin injection head 430 includes being arranged in the Qian shape block 431 of 410 length direction side of pushing tow bottom plate, with being centrally disposed in Qian shape Back-shaped piece 432 of the inside of block 431, the triangle injection head 433 being arranged in the Qian shape slot of Qian shape block 431;433 front side of injection head It is internally provided with the centre bore being connected to pin injection channel, it is same with centre bore that one is provided in back-shaped piece 432 of centre bore The thimble 450 of axis, 520 centrally disposed hole upper right side of the second hose and has a distance between centre bore, convenient follow-up Pin 500 is withstood in the movement to the left of thimble 450.Pin propulsion assembly 440 is a cylinder, and the side of Qian shape block 431 is provided with biography Sensor 460, after sensor 460 senses pin 500, the piston rod of pin propulsion assembly 440, which stretches out, pushes thimble 450 to pin 500 direction movement, thimble 450 withstand pin 500 and are promoted to the line of production until in the insertion pin hole of pin 500, completed Assembly.
Pin 500 of the present invention by vibrating disk 210 it is orderly transport out after, flow into pin through the first hose 510 and cache machine Pin 500 is moved to the of connecting pin cache mechanism 300 by the cylinder moving in the left side of pin cache mechanism 300 by structure 300 At two hose couplings 521, then air pin 500 is blasted by tracheae and is blown into pin top-pushing mechanism 400, finally by pin pushing tow The thimble 450 of mechanism 400 is pressed, and pin 500 is assembled in product;This device achieves that the automatic assembling of pin 500, is saved The man power and material of traditional artificial assembly improves efficiency of assembling and press fitting bad hidden danger.
The basic principles, main features and advantages of the present invention have been shown and described above.The technology of the industry Personnel are it should be appreciated that the present invention is not limited to the above embodiments, and the above embodiments and description only describe this The principle of invention, various changes and improvements may be made to the invention without departing from the spirit and scope of the present invention, these changes Change and improvement all fall within the protetion scope of the claimed invention.The claimed scope of the invention is by appended claims and together Equal objects define.

Claims (1)

1. a kind of automobile door lock pin automatic assembly equipment, which is characterized in that including workbench, be arranged in the workbench length The pin feed mechanism of direction side, be arranged the workbench length direction other side pin top-pushing mechanism, be arranged in institute State the pin cache mechanism between pin feed mechanism and pin top-pushing mechanism, the pin feed mechanism, pin cache mechanism, Pin top-pushing mechanism is sequentially connected by two hoses, several pins orderly transported are filled in inside hose;
The pin feed mechanism includes the vibrating disk being orderly delivered to several pins in the first hose,
The pin cache mechanism includes caching holder, setting in the caching internal stent and one end and first hose company Logical caching channel is arranged the second hose in the caching stent length direction side and caching fill assembly, is arranged in institute The caching push component of the caching stent length direction other side is stated, the caching push component there are several pin uniform intervals Sequence is moved to above the second hose coupling, and the caching fill assembly is by the pin above second hose coupling orderly It injects in second hose;
The pin top-pushing mechanism includes pushing tow bottom plate, the bottom plate propulsion group in pushing tow baseplate width direction side is arranged Part, be arranged pushing tow floor length direction side pin injection head, be arranged in the pin injection head axial direction position Pin propulsion assembly in the pushing tow floor length direction other side is provided with pin in the pin injection head top droop Injection channel, the second hose constant tilt are arranged in the pin injection channel.
CN201810730764.4A 2018-07-05 2018-07-05 A kind of automobile door lock pin automatic assembly equipment Withdrawn CN108747268A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201810730764.4A CN108747268A (en) 2018-07-05 2018-07-05 A kind of automobile door lock pin automatic assembly equipment

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201810730764.4A CN108747268A (en) 2018-07-05 2018-07-05 A kind of automobile door lock pin automatic assembly equipment

Publications (1)

Publication Number Publication Date
CN108747268A true CN108747268A (en) 2018-11-06

Family

ID=63972180

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201810730764.4A Withdrawn CN108747268A (en) 2018-07-05 2018-07-05 A kind of automobile door lock pin automatic assembly equipment

Country Status (1)

Country Link
CN (1) CN108747268A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109317951A (en) * 2018-11-21 2019-02-12 佛山科学技术学院 A kind of automatic assembly equipment for the installation of razor head pin
CN115283958A (en) * 2022-08-18 2022-11-04 广东坚士制锁有限公司 Automatic assembling equipment for lock latch piece

Citations (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5417264A (en) * 1993-02-15 1995-05-23 Ganner; Erwin Dowel transfer station in dowel driving devices
JP2000005949A (en) * 1998-06-26 2000-01-11 Nitto Seiko Co Ltd Screw fastener
KR20010092151A (en) * 2000-03-21 2001-10-24 이계안 Apparatus for inserting rivets
DE102009030103A1 (en) * 2009-06-22 2010-12-23 Tox Pressotechnik Gmbh & Co. Kg Device for providing fastening elements for a production tool and production tool
CN102862045A (en) * 2012-09-05 2013-01-09 广东机电职业技术学院 Automatic micro pin press filling machine and press filling method thereof
FR3006923A1 (en) * 2013-06-14 2014-12-19 Cybermeca RIVET INJECTION DEVICE, RIVET INJECTION SYSTEM, AND CORRESPONDING METHOD
CN204975928U (en) * 2015-09-27 2016-01-20 上海安宇峰实业有限公司 Automatic round pin axle device is worn to storage formula
CN105436865A (en) * 2015-12-23 2016-03-30 苏州博众精工科技有限公司 Pin driving mechanism
CN105480681A (en) * 2015-11-25 2016-04-13 平湖市高鑫自动化设备科技有限公司 Pin penetrating device of hinge machining machine
CN206356853U (en) * 2016-12-06 2017-07-28 无锡明珠增压器制造有限公司 A kind of pin jack unit
CN207071785U (en) * 2017-08-22 2018-03-06 无锡金百特自动化机械有限公司 Small pin loading assemblies
CN108115403A (en) * 2017-12-15 2018-06-05 义乌市给力机械设备有限公司 Hair clip automatic assembly equipment
CN108145416A (en) * 2016-12-05 2018-06-12 付豪 Automobile air-conditioning pipe pressing plate pin automatic fixer
CN208409074U (en) * 2018-07-05 2019-01-22 上海誉鸣自动化科技有限公司 A kind of automobile door lock pin automatic assembly equipment

Patent Citations (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5417264A (en) * 1993-02-15 1995-05-23 Ganner; Erwin Dowel transfer station in dowel driving devices
JP2000005949A (en) * 1998-06-26 2000-01-11 Nitto Seiko Co Ltd Screw fastener
KR20010092151A (en) * 2000-03-21 2001-10-24 이계안 Apparatus for inserting rivets
DE102009030103A1 (en) * 2009-06-22 2010-12-23 Tox Pressotechnik Gmbh & Co. Kg Device for providing fastening elements for a production tool and production tool
CN102862045A (en) * 2012-09-05 2013-01-09 广东机电职业技术学院 Automatic micro pin press filling machine and press filling method thereof
FR3006923A1 (en) * 2013-06-14 2014-12-19 Cybermeca RIVET INJECTION DEVICE, RIVET INJECTION SYSTEM, AND CORRESPONDING METHOD
CN204975928U (en) * 2015-09-27 2016-01-20 上海安宇峰实业有限公司 Automatic round pin axle device is worn to storage formula
CN105480681A (en) * 2015-11-25 2016-04-13 平湖市高鑫自动化设备科技有限公司 Pin penetrating device of hinge machining machine
CN105436865A (en) * 2015-12-23 2016-03-30 苏州博众精工科技有限公司 Pin driving mechanism
CN108145416A (en) * 2016-12-05 2018-06-12 付豪 Automobile air-conditioning pipe pressing plate pin automatic fixer
CN206356853U (en) * 2016-12-06 2017-07-28 无锡明珠增压器制造有限公司 A kind of pin jack unit
CN207071785U (en) * 2017-08-22 2018-03-06 无锡金百特自动化机械有限公司 Small pin loading assemblies
CN108115403A (en) * 2017-12-15 2018-06-05 义乌市给力机械设备有限公司 Hair clip automatic assembly equipment
CN208409074U (en) * 2018-07-05 2019-01-22 上海誉鸣自动化科技有限公司 A kind of automobile door lock pin automatic assembly equipment

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109317951A (en) * 2018-11-21 2019-02-12 佛山科学技术学院 A kind of automatic assembly equipment for the installation of razor head pin
CN109317951B (en) * 2018-11-21 2023-08-15 佛山科学技术学院 Automatic assembling equipment for mounting shaver head pins
CN115283958A (en) * 2022-08-18 2022-11-04 广东坚士制锁有限公司 Automatic assembling equipment for lock latch piece
CN115283958B (en) * 2022-08-18 2023-11-17 广东坚士制锁有限公司 Automatic assembling equipment for lock catch pieces

Similar Documents

Publication Publication Date Title
KR101301682B1 (en) Automatic screw tightening apparatus
CN108747268A (en) A kind of automobile door lock pin automatic assembly equipment
KR101246771B1 (en) Automatic screw tightening apparatus
KR200414953Y1 (en) The array device for insert-nut using hose shooting-type
CN105537915A (en) Automatic changing device for valve rods
CN103264272B (en) Plunger pump valve rubber press-in equipment
CN107443050A (en) A kind of shaft block ring automatic assembling apparatus
CN208409074U (en) A kind of automobile door lock pin automatic assembly equipment
CN209987346U (en) Tubular product design case with bearing structure
CN203650401U (en) Inserting tool for nylon pipe and quick coupling
CN205703183U (en) One bourdon tube and nut in air-conditioning temperature-sensing valve are screwed device automatically
CN105944912A (en) Fully-automatic graphite embedding machine
CN105952804A (en) Fully-automatic graphite assembly machine for oilless bearing
CN108176744A (en) A kind of pipe pushes away o ing equipment and its processing method
CN218592837U (en) Ejector sleeve positioning fixture mechanism
CN115837577B (en) Automatic screw locking machine
CN112044681A (en) Dispensing equipment
CN110040478A (en) A kind of double end guided missile feeding mechanism
CN109624190A (en) A kind of glue-injection machine
CN108381858B (en) Automatic feeding device
CN207223340U (en) A kind of shaft block ring automatic assembling apparatus
CN220806054U (en) Resonant column welding tool
CN213351489U (en) Conveying device of full-automatic assembling machine for medium-low pressure oil mass distributor
CN206013773U (en) A kind of feed arrangement of fiber stub detection means
CN111152020A (en) Oil pump assembly quality

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: 20181106