CN103465020B - The accurate apparatus for assembling of medical assembly - Google Patents

The accurate apparatus for assembling of medical assembly Download PDF

Info

Publication number
CN103465020B
CN103465020B CN201310412593.8A CN201310412593A CN103465020B CN 103465020 B CN103465020 B CN 103465020B CN 201310412593 A CN201310412593 A CN 201310412593A CN 103465020 B CN103465020 B CN 103465020B
Authority
CN
China
Prior art keywords
rotation cover
cover plate
upset
tooth
rotation
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.)
Active
Application number
CN201310412593.8A
Other languages
Chinese (zh)
Other versions
CN103465020A (en
Inventor
徐金根
胡庆华
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.)
Kunshan Kersen Science and Technology Co Ltd
Original Assignee
Kunshan Kersen Science and 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 Kunshan Kersen Science and Technology Co Ltd filed Critical Kunshan Kersen Science and Technology Co Ltd
Priority to CN201310412593.8A priority Critical patent/CN103465020B/en
Publication of CN103465020A publication Critical patent/CN103465020A/en
Application granted granted Critical
Publication of CN103465020B publication Critical patent/CN103465020B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Landscapes

  • Dental Tools And Instruments Or Auxiliary Dental Instruments (AREA)

Abstract

The present invention discloses the accurate apparatus for assembling of a kind of medical assembly, and in it is circular, tooth swivel nut circumference has limited mouth, comprise pedestal, upset cover plate, the first rotation cover and the second rotation cover, upset cover plate can rotate around the second rotating shaft, the groove of pedestal offers square duct, be communicated with by several through cylindrical voids between this square duct with groove, first rotation cover working face is provided with several for placing the manhole of tooth swivel nut in described circle, this manhole circumferential distribution has at least 2 salient points, one spacing raised line to be positioned on the first rotation cover working face and at manhole edge, this manhole diameter is in circular between tooth swivel nut external diameter and internal diameter, described upset cover plate has several strip through-holes in the y-direction, second rotation cover has several for embedding the circular hole of described outer tooth screw rod.The present invention raises the efficiency greatly, assembly precision and stability, has also both reduced assembling labour intensity simultaneously, and has improve convenience.

Description

The accurate apparatus for assembling of medical assembly
Technical field
The present invention relates to medical assembly field, particularly relate to the accurate apparatus for assembling of a kind of medical assembly.
Background technology
In prior art medical assembly be assembled with several management and control sizes, it is manual often screws in assembling mutually by three full tooth parts, ensures its relative size position, there is following technical problem with kind of calliper:
(1) come from packaging efficiency, prior art assembles this assembly 1, and required time need have about one minute, inefficiency;
(2) reach precision and stability from assembling, assembly precision that prior art reaches is not high and stable not;
(3) and assembling labour intensity is required from property easy to assembly and to assembler, prior art assembling labour intensity large (under a strain) and require to want height to assembler;
Therefore, how to overcome above-mentioned technological deficiency, become the direction that those of ordinary skill in the art make great efforts.
Summary of the invention
The invention provides the accurate apparatus for assembling of a kind of medical assembly, the accurate apparatus for assembling of this medical assembly raised the efficiency greatly, assembly precision and stability, also both reduced assembling labour intensity simultaneously, improve convenience.
For achieving the above object, the technical solution used in the present invention is: the accurate apparatus for assembling of a kind of medical assembly, it is assembled for medical assembly, this medical assembly comprises outer tooth screw rod, is installed on the inside and outside tooth nut of outer tooth external thread of screw and is installed on tooth swivel nut in the externally threaded circle of inside and outside tooth nut, the distance of described outer tooth screw rod and inside and outside tooth nut end face is the first distance, in described inside and outside tooth nut and circle, the distance of tooth swivel nut end face is second distance, and in described circle, tooth swivel nut circumference has limited mouth; Comprise the pedestal of several grooves had in the x-direction, upset cover plate, the first rotation cover and the second rotation cover, three the first locating pieces are provided with on rear side of described pedestal upper surface, described first rotation cover and the second rotation cover homonymy rear end separately all has 2 the first contiguous blocks, this first contiguous block embeds between the first adjacent locating piece, one first rotating shaft runs through these three first locating pieces and 2 the first contiguous blocks, and described first rotation cover and the second rotation cover can rotate around the first rotating shaft;
Described first rotation cover left end or right-hand member are provided with two the second locating pieces, second locating piece of described upset cover plate and the first rotation cover with side corresponding be provided with the second contiguous block, this second contiguous block embeds between two the second locating pieces, one second rotating shaft runs through this two the second locating pieces and the second contiguous block, and described upset cover plate can rotate around the second rotating shaft;
Square duct is offered immediately below the groove of described pedestal, be communicated with by several through cylindrical voids between this square duct with groove, first rotation cover working face is provided with several for placing the manhole of tooth swivel nut in described circle, this manhole circumferential distribution has at least 2 salient points, one spacing raised line to be positioned on the first rotation cover working face and at manhole edge, this manhole diameter is in circular between tooth swivel nut external diameter and internal diameter, described upset cover plate has several strip through-holes in the y-direction, second rotation cover has several for embedding the circular hole of described outer tooth screw rod,
The strip through-hole width of described upset cover plate is less than circular interior tooth swivel nut diameter, described strip through-hole and groove width separately is all greater than inside and outside tooth nut diameter, the Circularhole diameter of described second rotation cover is greater than outer tooth screw diameter, the strip through-hole degree of depth of the groove of described pedestal and upset cover plate and equal second distance, the height of described square duct and through cylindrical void and equal described first distance;
Under the duty of front end, in described circle, tooth swivel nut is held between described upset cover plate and the first rotation cover, and upset cover plate is positioned at directly over the first rotation cover, and described front end duty is state after the upset of upset cover plate;
Under the duty of rear end, described upset cover plate is positioned at pedestal upper surface, described first rotation cover be positioned at upset cover plate above and its manhole is positioned at directly over the groove of pedestal, the circular hole of described second rotation cover is positioned at directly over manhole.
The technical scheme improved further in technique scheme is as follows:
1. in such scheme, circular hole and the outer tooth screw diameter of described second rotation cover coincide, and the recess width of described pedestal and inside and outside tooth nut diameter coincide.
2., in such scheme, described upset cover plate and the opposing one end of the second contiguous block are provided with for the magnetic stripe with the first rotation cover adhesive.
3. in such scheme, between described upset cover plate and the first rotation cover, be provided with jacking block, thus form gap between upset cover plate and the first rotation cover.
4., in such scheme, described jacking block is fixed on upset cover plate and the surface faced by the first rotation cover.
Because technique scheme is used, the present invention compared with prior art has following advantages:
The accurate apparatus for assembling of medical assembly of the present invention, it makes once can assemble ten, and required time is about 1.5 minutes, uses this tool greatly to raise the efficiency; Secondly, in assembling, institute reaches in precision and stability, substantially increases assembly precision and stability, and tool can reach ± 0.05MM even higher (as long as processing precision of products height assembly precision thus also high), and it is more stable to utilize tool to carry out control accuracy; Again, secondary flip designs, in circular, tooth swivel nut circumference has limited mouth, and spacing raised line to be positioned on the first rotation cover working face and at manhole edge, to substantially increase precision and convenience; Again, the opposing one end of its upset cover plate and the second contiguous block is provided with for the magnetic stripe with the first rotation cover adhesive, overturns between cover plate and the first rotation cover and is provided with jacking block, saved cost, also be conducive to the management and control of process, improve uniformity and the stability of completed knocked down products further.
Accompanying drawing explanation
Accompanying drawing 1 is medical assembly structural representation of the present invention;
Accompanying drawing 2 is the left view of accompanying drawing 1;
Accompanying drawing 3 is the accurate apparatus for assembling structural representation one of medical assembly of the present invention;
Accompanying drawing 4 is the partial enlargement structural representation of accompanying drawing 3;
Accompanying drawing 5 is the accurate apparatus for assembling structural representation two of medical assembly of the present invention;
Accompanying drawing 6 is the accurate apparatus for assembling structural representation three of medical assembly of the present invention;
Accompanying drawing 7 is the accurate apparatus for assembling structural representation four of medical assembly of the present invention;
Accompanying drawing 8 is the accurate apparatus for assembling structural representation five of medical assembly of the present invention;
Accompanying drawing 9 is the sectional view of accompanying drawing 8.
In above accompanying drawing: 1, medical assembly; 2, outer tooth screw rod; 3, inside and outside tooth nut; 4, circular interior tooth swivel nut; 41, limited mouth; 5, pedestal; 51, groove; 52, the first locating piece; 53, square duct; 54, through cylindrical void; 6, the first rotation cover; 61, manhole; 62, salient point; 7, the second rotation cover; 71, circular hole; 8, cover plate is overturn; 81, strip through-hole; 9, the first contiguous block; 10, the first rotating shaft; 11, the second locating piece; 12, the second contiguous block; 13, the second rotating shaft; 14, magnetic stripe; 15, jacking block; 16, spacing raised line.
Detailed description of the invention
Below in conjunction with drawings and Examples, the invention will be further described:
Embodiment: the accurate apparatus for assembling of a kind of medical assembly, it is assembled for medical assembly 1, this medical assembly 1 comprises outer tooth screw rod 2, is installed on the externally threaded inside and outside tooth nut 3 of outer tooth screw rod 2 and is installed on tooth swivel nut 4 in the externally threaded circle of inside and outside tooth nut 3, described outer tooth screw rod 2 is the first distance d1 with the distance of inside and outside tooth nut 3 end face, described inside and outside tooth nut 3 is second distance d2 with the distance of tooth swivel nut 4 end face in circle, and in described circle, tooth swivel nut 4 circumference has limited mouth 41; Comprise the pedestal 5 of several grooves 51 had in the x-direction, upset cover plate 8, first rotation cover 6 and the second rotation cover 7, three the first locating pieces 52 are provided with on rear side of described pedestal 5 upper surface, described first rotation cover 6 and the respective homonymy rear end of the second rotation cover 7 all have 2 the first contiguous blocks 9, this first contiguous block 9 embeds between the first adjacent locating piece 52, one first rotating shaft 10 runs through these three the first locating pieces 52 and 2 the first contiguous blocks 9, and described first rotation cover 6 and the second rotation cover 7 can rotate around the first rotating shaft 10;
Described first rotation cover 6 left end or right-hand member are provided with two the second locating pieces 11, second locating piece 11 of described upset cover plate 8 and the first rotation cover 6 with side corresponding be provided with the second contiguous block 12, this second contiguous block 12 embeds between two the second locating pieces 11, one second rotating shaft 13 runs through these two second locating pieces 11 and the second contiguous blocks 12, and described upset cover plate 8 can rotate around the second rotating shaft 13;
Square duct 53 is offered immediately below the groove 51 of described pedestal 5, be communicated with by several through cylindrical voids 54 between this square duct 53 with groove 51, first rotation cover 6 working face is provided with several for placing the manhole 61 of tooth swivel nut 4 in described circle, this manhole 61 circumferential distribution has at least 2 salient points 62, one spacing raised line 16 to be positioned on the first rotation cover 6 working face and at manhole 61 edge, this manhole 61 diameter is in circular between tooth swivel nut 4 external diameter and internal diameter, described upset cover plate 8 has several strip through-holes 81 in the y-direction, second rotation cover 7 has several for embedding the circular hole 71 of described outer tooth screw rod 2,
Strip through-hole 81 width of described upset cover plate 8 is less than circular interior tooth swivel nut 4 diameter, described strip through-hole 81 and the respective width of groove 51 are all greater than inside and outside tooth nut 3 diameter, circular hole 71 diameter of described second rotation cover 7 is greater than outer tooth screw rod 2 diameter, the groove 51 of described pedestal 5 and strip through-hole 81 degree of depth of upset cover plate 8 and equal second distance, the height of described square duct 53 and through cylindrical void 54 and equal described first distance;
Under the duty of front end, in described circle, tooth swivel nut 4 is held between described upset cover plate 8 and the first rotation cover 6, and upset cover plate 8 is positioned at directly over the first rotation cover 6, and described front end duty overturns rear state for overturning cover plate 8;
Under the duty of rear end, described upset cover plate 8 is positioned at pedestal 5 upper surface, described first rotation cover 6 be positioned at upset cover plate 8 above and its manhole 61 is positioned at directly over the groove 51 of pedestal 5, the circular hole 71 of described second rotation cover 7 is positioned at directly over manhole 61.
Circular hole 71 and outer tooth screw rod 2 diameter of above-mentioned second rotation cover 7 coincide, and groove 51 width of described pedestal 5 and inside and outside tooth nut 3 diameter coincide.
Upset cover plate 8 described above and the opposing one end of the second contiguous block 12 are provided with for the magnetic stripe 14 with the first rotation cover 6 adhesive.
Be provided with jacking block 15 between above-mentioned upset cover plate 8 and the first rotation cover 6, thus form gap between upset cover plate 8 and the first rotation cover 6.
Above-mentioned jacking block 15 is fixed on upset cover plate 8 and the surface faced by the first rotation cover 6.
The present embodiment medical assembly is as follows by the accurate apparatus for assembling course of work.
Step one, to be put into by tooth swivel nut 4 in circle on manhole 61 and between three salient points 62, in described circle, tooth swivel nut 4 circumference has limited mouth 41, this limited mouth 41 is embedded with spacing raised line 16.
Step 2, circular in after tooth swivel nut 4 installs locating hole, upset cover plate 8 rotates to cover with the first rotation cover 6 and closes tight, and closes tight by the strength of magnetic stripe 14, after rotate the integral-rotation 90 ° synthesized with the first rotation cover 6 contact overturning cover plate 8 with pedestal 5.
Step 3, by inside and outside tooth nut 3 magnetic on the pneumatic screwdriver that pneumatic screwdriver head is housed, utilize the spinning force of pneumatic screwdriver head by its one by one inside and outside tooth nut 3 assemble with on tooth swivel nut 4 in circle, till all having assembled.
Step 4, the second rotation cover 7 half-twist to be covered, after outer tooth screw rod 2 is put on assembly.
Step 5, outer tooth screw rod 2 is screwed in the second rotation cover 7 by pneumatic screwdriver that pneumatic screwdriver head is housed one by one, so far complete assembling.
Step 6, the second rotation cover 7 half-twist to be set level, then upset cover plate 8 is rotated the integral-rotation 90 ° synthesized with the first rotation cover 6 set level.
Step 7, upset cover plate 8 half-twist to be set level, the medical assembly 1 assembled can be taken off.
When adopting the accurate apparatus for assembling of above-mentioned medical assembly, utilize the rotating jig rotating shaft of pneumatic bottle opener automatic traction screwdriver head and dependency structure and quick clip to cooperatively interact, and complete the disposable rapid-assembling work to relatively determining position between multiple full tooth product.The exploitation of this tool can not only improve packaging efficiency greatly, greatly can also improve the relative distance precision between the assembling of full tooth part.This tool can complete the assembling of high-efficiency high-accuracy to this assembly, it makes once can assemble ten, and required time is about 1.5 minutes, uses this tool greatly to raise the efficiency; Secondly, in assembling, institute reaches in precision and stability, substantially increases assembly precision and stability, and tool can reach ± 0.05MM even higher (as long as processing precision of products height assembly precision thus also high), and it is more stable to utilize tool to carry out control accuracy; Again, secondary flip designs, in circular, tooth swivel nut circumference has limited mouth, and spacing raised line to be positioned on the first rotation cover working face and at manhole edge, to substantially increase precision and convenience; Again, the opposing one end of its upset cover plate and the second contiguous block is provided with for the magnetic stripe with the first rotation cover adhesive, overturns between cover plate and the first rotation cover and is provided with jacking block, saved cost, also be conducive to the management and control of process, improve uniformity and the stability of completed knocked down products further.
Above-described embodiment, only for technical conceive of the present invention and feature are described, its object is to person skilled in the art can be understood content of the present invention and implement according to this, can not limit the scope of the invention with this.All equivalences done according to Spirit Essence of the present invention change or modify, and all should be encompassed within protection scope of the present invention.

Claims (5)

1. the accurate apparatus for assembling of medical assembly, it is assembled for medical assembly (1), this medical assembly (1) comprises outer tooth screw rod (2), is installed on the externally threaded inside and outside tooth nut (3) of outer tooth screw rod (2) and is installed on tooth swivel nut (4) in the externally threaded circle of inside and outside tooth nut (3), described outer tooth screw rod (2) is the first distance with the distance of inside and outside tooth nut (3) end face, described inside and outside tooth nut (3) is second distance with the distance of tooth swivel nut (4) end face in circle, and in described circle, tooth swivel nut (4) circumference has limited mouth (41), it is characterized in that: the pedestal (5) comprising several grooves (51) had in the x-direction, upset cover plate (8), first rotation cover (6) and the second rotation cover (7), three the first locating pieces (52) are provided with on rear side of described pedestal (5) upper surface, described first rotation cover (6) and the respective homonymy rear end of the second rotation cover (7) all have 2 the first contiguous blocks (9), this first contiguous block (9) embeds between adjacent the first locating piece (52), one first rotating shaft (10) runs through these three first locating pieces (52) and 2 the first contiguous blocks (9), described first rotation cover (6) and the second rotation cover (7) can rotate around the first rotating shaft (10),
Described first rotation cover (6) left end or right-hand member are provided with two the second locating pieces (11), described upset cover plate (8) is provided with the second contiguous block (12) with second locating piece (11) of the first rotation cover (6) accordingly with side, this second contiguous block (12) embeds between two the second locating pieces (11), one second rotating shaft (13) runs through this two the second locating pieces (11) and the second contiguous block (12), and described upset cover plate (8) can rotate around the second rotating shaft (13);
Square duct (53) is offered immediately below the groove (51) of described pedestal (5), be communicated with by several through cylindrical voids (54) between this square duct (53) with groove (51), first rotation cover (6) working face is provided with several for placing the manhole (61) of tooth swivel nut (4) in described circle, this manhole (61) circumferential distribution has at least 2 salient points (62), one spacing raised line (16) to be positioned on the first rotation cover (6) working face and at manhole (61) edge, this manhole (61) diameter is positioned at circular tooth swivel nut (4) between external diameter and internal diameter, described upset cover plate (8) has several strip through-holes (81) in the y-direction, second rotation cover (7) has several for embedding the circular hole (71) of described outer tooth screw rod (2),
Strip through-hole (81) width of described upset cover plate (8) is less than circular interior tooth swivel nut (4) diameter, described strip through-hole (81) and the respective width of groove (51) are all greater than inside and outside tooth nut (3) diameter, circular hole (71) diameter of described second rotation cover (7) is greater than outer tooth screw rod (2) diameter, strip through-hole (81) degree of depth of the groove (51) of described pedestal (5) and upset cover plate (8) and equal second distance, the height of described square duct (53) and through cylindrical void (54) with equal described first distance;
Under the duty of front end, in described circle, tooth swivel nut (4) is held between described upset cover plate (8) and the first rotation cover (6), upset cover plate (8) is positioned at directly over the first rotation cover (6), and described front end duty is state after upset cover plate (8) upset;
Under the duty of rear end, described upset cover plate (8) is positioned at pedestal (5) upper surface, described first rotation cover (6) is positioned at upset cover plate (8) top and its manhole (61) is positioned at directly over the groove (51) of pedestal (5), and the circular hole (71) of described second rotation cover (7) is positioned at directly over manhole (61).
2. the accurate apparatus for assembling of medical assembly according to claim 1, it is characterized in that: the circular hole (71) of described second rotation cover (7) coincide with outer tooth screw rod (2) diameter, groove (51) width of described pedestal (5) and inside and outside tooth nut (3) diameter coincide.
3. the accurate apparatus for assembling of medical assembly according to claim 1, is characterized in that: one end that described upset cover plate (8) is opposing with the second contiguous block (12) is provided with for the magnetic stripe (14) with the first rotation cover (6) adhesive.
4. the accurate apparatus for assembling of medical assembly according to claim 1, it is characterized in that: between described upset cover plate (8) and the first rotation cover (6), be provided with jacking block (15), thus form gap between upset cover plate (8) and the first rotation cover (6).
5. the accurate apparatus for assembling of medical assembly according to claim 4, is characterized in that: described jacking block (15) is fixed on upset cover plate (8) and the surface faced by the first rotation cover (6).
CN201310412593.8A 2013-09-11 2013-09-11 The accurate apparatus for assembling of medical assembly Active CN103465020B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201310412593.8A CN103465020B (en) 2013-09-11 2013-09-11 The accurate apparatus for assembling of medical assembly

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201310412593.8A CN103465020B (en) 2013-09-11 2013-09-11 The accurate apparatus for assembling of medical assembly

Publications (2)

Publication Number Publication Date
CN103465020A CN103465020A (en) 2013-12-25
CN103465020B true CN103465020B (en) 2016-01-06

Family

ID=49790184

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201310412593.8A Active CN103465020B (en) 2013-09-11 2013-09-11 The accurate apparatus for assembling of medical assembly

Country Status (1)

Country Link
CN (1) CN103465020B (en)

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20060000549A1 (en) * 2004-06-29 2006-01-05 Lang David K Method of manufacturing integrated biosensors
IL169171A0 (en) * 2004-06-29 2007-07-04 Lifescan Scotland Ltd Manufacturing apparatus for the packaging of medical devices including integrated lancets
US20070056621A1 (en) * 2005-09-14 2007-03-15 Rajashree Baskaran Self-assembled thin film thermoelectric device
US8741230B2 (en) * 2006-03-24 2014-06-03 Theranos, Inc. Systems and methods of sample processing and fluid control in a fluidic system
EP2536364A1 (en) * 2010-02-16 2012-12-26 NLT Spine Ltd. Locking between levels of a multi-level helix device
CN203509545U (en) * 2013-09-11 2014-04-02 昆山科森科技有限公司 Precision assembling device for medical assembly

Also Published As

Publication number Publication date
CN103465020A (en) 2013-12-25

Similar Documents

Publication Publication Date Title
CN204471236U (en) A kind of turbine rotor blade special fixture
CN104416354A (en) Efficient assembly device for precise parts
CN203679714U (en) Efficient precise element assembling device
CN103465020B (en) The accurate apparatus for assembling of medical assembly
CN206698077U (en) A kind of frock for servomotor casing stator press-loading
CN203510024U (en) Device for assembling medical instruments
CN203509545U (en) Precision assembling device for medical assembly
CN104416355B (en) Assembling device for medical instrument
CN103465203B (en) For the device of medical apparatus assembling
CN203509546U (en) Assembling device applied to medical instruments
CN205021255U (en) Positioning lock mandril
CN203896137U (en) Electromotor rotor assembly clamping tool
CN203510114U (en) One-step rapid batch assembly fixture
CN103465224B (en) One-time quick batch-assembly jig
CN203266141U (en) Fixture for processing bearing mounting holes in rotor covers of gyro motor
CN206290586U (en) A kind of bearing being easily installed
CN205630296U (en) Electronic punching pin shaping jig
CN205806149U (en) A kind of quick change alignment pin
CN105043183A (en) Digital display vernier for measuring reduction box body center distance
CN207858607U (en) It is ground the fixture of neodymium iron boron magnetic body
CN203820363U (en) Threaded jack with magnetic seat
CN207621306U (en) A kind of bearing mounting mechanism
CN205317110U (en) Rapid survey thread tool
CN203572368U (en) Flange position degree detection gauge
CN204725369U (en) A kind of assembly tool of elevator power box body

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C53 Correction of patent for invention or patent application
CB02 Change of applicant information

Address after: Suzhou City, Jiangsu province 215341 Kunshan Development Zone, Road No. 389

Applicant after: Kunshan Ke Sen Science and Technology Co., Ltd.

Address before: Suzhou City, Jiangsu province 215341 Kunshan Development Zone, Road No. 389

Applicant before: Kunshan Kersen Technology Co., Ltd.

COR Change of bibliographic data

Free format text: CORRECT: APPLICANT; FROM: KUNSHAN KERSEN TECHNOLOGY CO., LTD. TO: KUNSHAN KERSEN SCIENCE + TECHNOLOGY CO., LTD.

C14 Grant of patent or utility model
GR01 Patent grant