CN110341379A - A kind of concealed universal wheel - Google Patents
A kind of concealed universal wheel Download PDFInfo
- Publication number
- CN110341379A CN110341379A CN201910660966.0A CN201910660966A CN110341379A CN 110341379 A CN110341379 A CN 110341379A CN 201910660966 A CN201910660966 A CN 201910660966A CN 110341379 A CN110341379 A CN 110341379A
- Authority
- CN
- China
- Prior art keywords
- slot
- groove
- universal wheel
- block
- luggage
- 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.)
- Granted
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Classifications
-
- A—HUMAN NECESSITIES
- A45—HAND OR TRAVELLING ARTICLES
- A45C—PURSES; LUGGAGE; HAND CARRIED BAGS
- A45C5/00—Rigid or semi-rigid luggage
- A45C5/14—Rigid or semi-rigid luggage with built-in rolling means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
- B60B33/00—Castors in general; Anti-clogging castors
- B60B33/0002—Castors in general; Anti-clogging castors assembling to the object, e.g. furniture
-
- A—HUMAN NECESSITIES
- A45—HAND OR TRAVELLING ARTICLES
- A45C—PURSES; LUGGAGE; HAND CARRIED BAGS
- A45C5/00—Rigid or semi-rigid luggage
- A45C5/14—Rigid or semi-rigid luggage with built-in rolling means
- A45C2005/148—Other arrangements of the rolling means
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Purses, Travelling Bags, Baskets, Or Suitcases (AREA)
- Vehicle Step Arrangements And Article Storage (AREA)
Abstract
The present invention relates to universal wheel technical fields, more particularly to a kind of concealed universal wheel, including luggage and it is set to the pull slots of the luggage top end surface and opening upwards, sliding is provided with the pull block stretched out outside the luggage top end surface in the pull slot, telescopic chute is equipped in the pull block top end surface, rack gear block is slidably fitted in the telescopic chute, the telescopic chute inner bottom wall is equipped with the first top pressure spring being fixedly connected with the rack gear block, the first rotation chamber is symmetrically arranged in end face at left and right sides of the telescopic chute, end wall transfer is dynamic before and after the first rotation chamber is fitted with the first rotation axis；Apparatus of the present invention structure is simple, it is easy to operate, it can be achieved that universal wheel autonomous storage, area occupied can be greatly reduced, improved service life, meanwhile, luggage shelf-stability can be improved, prevent accidental movement, improve practicability.
Description
Technical field
The present invention relates to universal wheel technical field, especially a kind of concealed universal wheel.
Background technique
Currently, the luggage sold in the market is generally equipped with universal wheel, to facilitate fast moving for luggage, still
Traditional Universal wheel for luggage is not typically foldable, and larger area is occupied during stacking and be easy to cause universal wheel
Damage, seriously reduces service life, meanwhile, it is difficult that luggage is made to keep upright state in steep slope road section, easily causes accidental movement,
Very big inconvenience is brought to user.
Summary of the invention
The purpose of the present invention is to provide a kind of concealed universal wheels, can overcome the drawbacks described above of the prior art, thus
Improve the practicability of equipment.
The technical solution adopted by the present invention to solve the technical problems is: a kind of concealed universal wheel of the invention, including
Luggage and the pull slot for being set to the luggage top end surface and opening upwards, sliding, which is provided with, in the pull slot stretches out institute
The pull block outside luggage top end surface is stated, telescopic chute is equipped in the pull block top end surface, is slidably installed in the telescopic chute
Stick with teeth, the telescopic chute inner bottom wall are equipped with the first top pressure spring being fixedly connected with the rack gear block, and the telescopic chute is left
The first rotation chamber is symmetrically arranged in right both sides of the face, end wall transfer, which is moved, before and after the first rotation chamber is fitted with the first rotation
Axis is fixed with the first rotate gear being meshed with the rack gear block in first rotation axis and is located at described first turn
The first reel on rear side of moving gear is symmetrically equipped with lifting groove, the lifting in the luggage below the pull slot
It is slidably fitted with lifter plate in slot, interconnected sliding eye, the sliding are equipped between the lifting groove and the pull slot
Rack-plate is slidably fitted in hole, the rack-plate top is fixedly connected with the pull block bottom end face and the rack-plate bottom
End is fixedly connected with the lifter plate top end surface, and locked component, a left side in the luggage bottom end face are equipped in the lifting groove
The right side is symmetrically arranged with the accommodating groove that Open Side Down, is equipped with universal wheel component in the accommodating groove.
Further, the locked component includes being set to the press skewback of the lifter plate top end surface and being set to
Slot in the lifting groove inner roof wall is equipped with sliding groove in the slot inward bottom wall, is slidably fitted in the sliding groove
The locking skewback in the slot is protruded into, the second press being fixedly connected with the locking skewback is equipped in the sliding groove inner wall
Spring is equipped with the lock slots of opening outwardly, the lock slots inward bottom wall in end face of the sliding groove far from the rack-plate
In be equipped with pushing tow slot, push block is slidably fitted in the pushing tow slot, spiral chamber is equipped in the pushing tow slot inward bottom wall, it is described
Be rotatably assorted the threaded rod for being equipped with and being threadedly engaged with the push block between spiral chamber and the pushing tow slot, in the spiral chamber
The threaded rod on be fixed with the second reel.
Further, it is provided with and communicated between the spiral chamber and the first rotation chamber through the rack-plate and institute
The through slot of lifter plate is stated, rotation is fitted with fixed pulley in the through slot, and described fixed pulley Shangrao is equipped with bracing wire, the bracing wire
One end is fixedly connected with first reel, and the other end is fixedly connected with second reel.
Further, the universal wheel component includes second turn be installed in the end wall of the accommodating groove front and back that be rotatably assorted
Moving axis and the rotating block being fixedly installed in second rotation axis are equipped with opening in one side end face of rotating block outwardly
Mounting groove is equipped in the mounting groove, and transfer dynamic be fitted in a side end face is fixed with mounting groove side inner wall
The connecting column of connection is equipped with the rolling groove of opening outwardly in the end face of the separate connecting column, passes through in the rolling groove
The axis of rolling, which is rotatably assorted, is equipped with everything wheel, is fixed with the first transmission in second rotation axis on rear side of the rotating block
Wheel.
Further, the second rotation chamber, second rotation are equipped in end wall of the sliding eye far from the lifting groove
It is interconnected between chamber and the accommodating groove and is provided with driving groove, end wall transfer is dynamic before and after the second rotation chamber is fitted with
Third rotation axis is fixed with the second rotate gear being meshed with the rack-plate in the third rotation axis and is located at institute
The second driving wheel on front side of the second rotate gear is stated, is driven and is cooperatively connected between second driving wheel and first driving wheel
There is the transmission belt through the driving groove.
Further, the torsional spring torsional spring being fixedly connected with the threaded rod is equipped in the spiral cavity wall, to realize
The push block automatically resets.
The beneficial effects of the present invention are: apparatus of the present invention structure is simple, it is easy to operate, it can be achieved that universal wheel autonomous receipts
It receives, area occupied can be greatly reduced, improved service life, meanwhile, luggage shelf-stability can be improved, prevent accidental movement, mention
High practicability.
Detailed description of the invention
It, below will be to embodiment or existing in order to illustrate more clearly of inventive embodiments or technical solution in the prior art
Attached drawing needed in technical description is briefly described, it should be apparent that, the accompanying drawings in the following description is only to invent
Some embodiments for those of ordinary skill in the art without creative efforts, can also basis
These attached drawings obtain other attached drawings.
Present invention will be further explained below with reference to the attached drawings and examples.
Fig. 1 is a kind of concealed universal wheel overall structure diagram of the invention.
Fig. 2 is the enlarged structure schematic diagram that skewback is pressed in Fig. 1.
Specific embodiment
Below with reference to Fig. 1-2, the present invention is described in detail, wherein for sake of convenience, now to hereafter described orientation
Provide as follows: hereafter described front-rear direction up and down is consistent with the front-rear direction up and down of Fig. 1 projection relation itself.
A kind of concealed universal wheel in conjunction with described in attached drawing 1-2, including luggage 10 and it is set to 10 top of the luggage
The pull slot 11 of end face and opening upwards, sliding is provided with the pumping stretched out outside 10 top end surface of luggage in the pull slot 11
Pulling block 12,12 top end surface of pull block is interior to be equipped with telescopic chute 13, is slidably fitted with rack gear block 14, institute in the telescopic chute 13
It states 13 inner bottom wall of telescopic chute and is equipped with the first top pressure spring 19 being fixedly connected with the rack gear block 14, the telescopic chute 13 or so two
The first rotation chamber 16 is symmetrically arranged in side end face, the first rotation 16 front and back end wall transfer of chamber is dynamic to be fitted with the first rotation
Axis 17 is fixed with the first rotate gear 18 being meshed with the rack gear block 14 in first rotation axis 17 and is located at institute
The first reel of 18 rear side of the first rotate gear is stated, is symmetrically equipped with and rises in the luggage 10 of 11 lower section of pull slot
Slot 40 is dropped, is slidably fitted with lifter plate 52 in the lifting groove 40, phase is equipped between the lifting groove 40 and the pull slot 11
Intercommunicated sliding eye 23 is slidably fitted with rack-plate 24,24 top of rack-plate and the pull in the sliding eye 23
12 bottom end face of block is fixedly connected and 24 bottom end of the rack-plate is fixedly connected with 52 top end surface of lifter plate, the lifting
Locked component is equipped in slot 40, bilateral symmetry is equipped with the accommodating groove 31 that Open Side Down, the receipts in 10 bottom end face of luggage
It receives and is equipped with universal wheel component in slot 31.
Valuably, the locked component includes press skewback 45 and the setting for being set to 52 top end surface of lifter plate
Slot 41 in 40 inner roof wall of lifting groove is equipped with sliding groove 42, the sliding groove 42 in 41 inward bottom wall of slot
In be slidably fitted with the locking skewback 43 protruded into the slot 41, be equipped in 42 inner wall of sliding groove and the locking skewback
43 the second top pressure springs 44 being fixedly connected are equipped with opening in end face of the sliding groove 42 far from the rack-plate 24 outwardly
Lock slots 46 are equipped with pushing tow slot 47 in 46 inward bottom wall of lock slots, are slidably fitted with push block 48 in the pushing tow slot 47,
Spiral chamber 50 is equipped in 47 inward bottom wall of pushing tow slot, be rotatably assorted installation between the spiral chamber 50 and the pushing tow slot 47
There is the threaded rod 49 being threadedly engaged with the push block 48, is fixed with second on the threaded rod 49 in the spiral chamber 50
Reel 51.
Valuably, the spiral chamber 50 and it is described first rotation chamber 16 between be provided with and communicated with through the rack-plate 24 with
And the through slot 20 of the lifter plate 52, rotation is fitted with fixed pulley 21 in the through slot 20, and described 21 Shangrao of fixed pulley is set
There is bracing wire 22, described 22 one end of bracing wire is fixedly connected with first reel, and the other end and second reel 51 are solid
Fixed connection.
Valuably, the universal wheel component includes second turn be installed in the 31 front and back end wall of accommodating groove that be rotatably assorted
Moving axis 32 and the rotating block 33 being fixedly installed in second rotation axis 32 are equipped in 33 1 side end face of rotating block and open
Mouth mounting groove 35 outwardly is equipped with 36 in the mounting groove 35, and 36 1 side end face transfer is dynamic to be fitted with and the peace
The connecting column 34 that 35 side inner wall of tankage is fixedly connected is equipped with opening in described 36 end faces far from the connecting column 34 outwardly
Rolling groove 37 is rotatably assorted in the rolling groove 37 by the axis of rolling 38 and is equipped with everything wheel 39,33 rear side of rotating block
The first driving wheel is fixed in second rotation axis 32.
Valuably, in end wall of the sliding eye 23 far from the lifting groove 40 be equipped with second rotation chamber 25, described second
It is interconnected between rotation chamber 25 and the accommodating groove 31 and is provided with driving groove 30, the second rotation 25 front and back end wall transfer of chamber
It is dynamic to be fitted with third rotation axis 27, second to be meshed with the rack-plate 24 is fixed in the third rotation axis 27
Rotate gear 26 and the second driving wheel 28 positioned at second rotate gear, 26 front side, second driving wheel 28 with it is described
Transmission is connected with the transmission belt 29 through the driving groove 30 between first driving wheel.
Valuably, the torsional spring torsional spring 53 being fixedly connected with the threaded rod 49 is equipped in 50 inner wall of spiral chamber, thus
Realize automatically reseting for the push block 48.
The present invention is in the initial state: under the press of first top pressure spring 19, the rack gear block 14 is utmostly
It stretches out outside 10 top end surface of luggage, 12 bottom end face of pull block offsets with 11 inner bottom wall of pull slot, the liter
Drop 52 bottom end face of plate offsets with 40 inner bottom wall of lifting groove, and the push block 48 is accommodated in completely in the pushing tow slot 47,
And the locking skewback 43 utmostly protrudes into the slot 41 under the press of second top pressure spring 44, at this point, left
Right two rotating blocks 33 are accommodated in completely in the accommodating groove 31, can be conducive to stablizing for the luggage 10 as a result, and be placed, from
And area occupied can be reduced, prevent accidental movement；
It when mobile, hold the pull block 12 and pulls out upwards, the pull block 12 can drive the rack-plate after pulling out upwards
24, lifter plate 52 and the press skewback 45 move up, and the rack-plate 24 can drive described second turn after moving up
Moving gear 26 drives the third rotation axis 27, the second driving wheel 28, the first driving wheel, the second rotation axis 32 and the rotation
Block 33 rotates, and the press skewback 45 can be gradually inserted in the slot 41 after moving up, at this point, the locking skewback 43 exists
Overcome the pressure on top surface of second top pressure spring 44 under the press of the press skewback 45 and towards sliding in the sliding groove 42,
After 52 top end surface of lifter plate and 40 inner roof wall of lifting groove offset, the lock slots 46 and the locking skewback 43
Alignment, at this point, under the press of second top pressure spring 44, the locking skewback 43 protrude into the lock slots 46 and by institute
It states press skewback 45 to lock, two rotating blocks 33 in left and right drive the everything wheel 39 to turn to vertical state, as a result, can be real
The existing luggage 10 fast moves；
When storage, the rack gear block 14 is pressed, the rack gear block 14 is pressed rear slide downward and drives first turning gear
Wheel 18 drives first rotation axis 17 and first reel rotation, and the first reel rotation can pass through the drawing
Line 22 pulls second reel 51 to rotate, and second reel 51 can be driven described by the threaded rod 49 after rotating
Push block 48 towards slide in the lock slots 46 and by the locking skewback 43 towards pressing in the sliding groove 42, when described
After 14 bottom end face of rack gear block and 13 inner bottom wall of telescopic chute offset, the locking skewback 43 and the lock slots 46 are completely de-
From, at this point, press down on the pull block 12 make the pull block 12 drive the rack-plate 24 and the lifter plate 52 to
Lower slider unclamps the rack gear block 14 after 52 bottom end face of lifter plate offsets with 40 inner bottom wall of lifting groove, this
When, the push block 48 resets under the action of torsional spring 53, and at the same time, two rotating blocks 33 in left and right are accommodated in institute
It states in accommodating groove 31, the present invention restores to original state.
The above embodiments merely illustrate the technical concept and features of the present invention, and its object is to allow be familiar with this field technology
Personage can understand the content of present invention and be implemented, and it is not intended to limit the scope of the present invention.It is all according to the present invention
Equivalent change or modification made by Spirit Essence, should be covered by the scope of protection of the present invention.
Claims (6)
1. a kind of concealed universal wheel, including luggage and it is set to the pull slots of the luggage top end surface and opening upwards,
It is characterized by: sliding is provided with the pull block stretched out outside the luggage top end surface, pull block top in the pull slot
It is equipped with telescopic chute in end surface, rack gear block is slidably fitted in the telescopic chute, the telescopic chute inner bottom wall is equipped with and the tooth
The first top pressure spring that stick is fixedly connected, is symmetrically arranged with the first rotation chamber at left and right sides of the telescopic chute in end face, and described the
End wall transfer is dynamic before and after one rotation chamber is fitted with the first rotation axis, is fixed in first rotation axis and the rack gear
The first rotate gear and the first reel on rear side of first rotate gear that block is meshed, the pull slot lower section
The luggage in be symmetrically equipped with lifting groove, be slidably fitted with lifter plate in the lifting groove, the lifting groove with it is described
Be equipped with interconnected sliding eye between pull slot, be slidably fitted with rack-plate in the sliding eye, the rack-plate top with
The pull block bottom end face is fixedly connected and the rack-plate bottom end is fixedly connected with the lifter plate top end surface, the liter
It drops and is equipped with locked component in slot, bilateral symmetry is equipped with the accommodating groove that Open Side Down, the accommodating groove in the luggage bottom end face
In be equipped with universal wheel component.
2. a kind of concealed universal wheel as described in claim 1, it is characterised in that: the locked component includes being set to the liter
The press skewback of plate top end surface and the slot that is set in the lifting groove inner roof wall are dropped, is set in the slot inward bottom wall
There is sliding groove, the locking skewback protruded into the slot is slidably fitted in the sliding groove, is equipped in the sliding groove inner wall
With second top pressure spring that is fixedly connected of locking skewback, opening is equipped in end face of the sliding groove far from the rack-plate
Lock slots outwardly are equipped with pushing tow slot in the lock slots inward bottom wall, are slidably fitted with push block in the pushing tow slot, described
It is equipped with spiral chamber in pushing tow slot inward bottom wall, is rotatably assorted and is equipped with and the pushing tow between the spiral chamber and the pushing tow slot
The threaded rod that block is threadedly engaged is fixed with the second reel on the threaded rod in the spiral chamber.
3. a kind of concealed universal wheel as claimed in claim 1 or 2, it is characterised in that: the spiral chamber and first rotation
The through slot through the rack-plate and the lifter plate is provided with and communicated between chamber, rotation is fitted with fixed in the through slot
Pulley, described fixed pulley Shangrao are equipped with bracing wire, and described bracing wire one end is fixedly connected with first reel, and the other end and institute
The second reel is stated to be fixedly connected.
4. a kind of concealed universal wheel as described in claim 1, it is characterised in that: the universal wheel component includes the peace that is rotatably assorted
Loaded on the second rotation axis in end wall before and after the accommodating groove and the rotating block being fixedly installed in second rotation axis, institute
It states and is equipped with the mounting groove of opening outwardly in one side end face of rotating block, be equipped in the mounting groove, side end face transfer is dynamic to match
Conjunction is equipped with the connecting column being fixedly connected with mounting groove side inner wall, is equipped with and opens in the end face of the separate connecting column
Mouth rolling groove outwardly is rotatably assorted in the rolling groove by the axis of rolling and is equipped with everything wheel, the institute on rear side of the rotating block
It states and is fixed with the first driving wheel in the second rotation axis.
5. a kind of concealed universal wheel as described in claim 1, it is characterised in that: end of the sliding eye far from the lifting groove
It is equipped with the second rotation chamber in wall, is interconnected between the second rotation chamber and the accommodating groove and is provided with driving groove, described the
End wall transfer is dynamic before and after two rotation chambers is fitted with third rotation axis, is fixed in the third rotation axis and the rack gear
The second rotate gear and the second driving wheel on front side of second rotate gear that plate is meshed, second driving wheel
Transmission is connected with the transmission belt through the driving groove between first driving wheel.
6. a kind of concealed universal wheel as described in claim 1, it is characterised in that: be equipped with and the spiral shell in the spiral cavity wall
The torsional spring torsional spring that rasp bar is fixedly connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910660966.0A CN110341379B (en) | 2019-07-22 | 2019-07-22 | Hidden universal wheel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910660966.0A CN110341379B (en) | 2019-07-22 | 2019-07-22 | Hidden universal wheel |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110341379A true CN110341379A (en) | 2019-10-18 |
| CN110341379B CN110341379B (en) | 2021-03-09 |
Family
ID=68179730
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910660966.0A Active CN110341379B (en) | 2019-07-22 | 2019-07-22 | Hidden universal wheel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110341379B (en) |
Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4254850A (en) * | 1979-10-29 | 1981-03-10 | Knowles Harford E | Luggage case |
| US5813503A (en) * | 1996-11-18 | 1998-09-29 | Chang; Yuan-Chi | Luggage case structure with retrievable handle and wheels |
| CN2364727Y (en) * | 1999-02-09 | 2000-02-23 | 李芳卿 | Built-in roller of trunk |
| CN2372164Y (en) * | 1998-12-23 | 2000-04-05 | 乔工科技股份有限公司 | Automatic retractable roller device |
| US6360400B1 (en) * | 2000-02-22 | 2002-03-26 | Fu-Jung Chang | Controlling device for retractable wheels of a luggage barrow |
| US6401888B1 (en) * | 2000-07-03 | 2002-06-11 | Chaw Khong Technology Co., Ltd. | Rotatable auxiliary wheel seat of a trunk |
| CN2596820Y (en) * | 2002-03-29 | 2004-01-07 | 厦门进雄企业有限公司 | Tourist case with automatic contracting wheels |
| CN1647715A (en) * | 2004-01-06 | 2005-08-03 | 苏旺你株式会社 | Bag with caster wheels |
| CN206620973U (en) * | 2017-02-28 | 2017-11-10 | 山东科技大学 | A kind of multi-functional formula luggage case |
| CN206978991U (en) * | 2017-06-16 | 2018-02-09 | 尹天放 | A kind of luggage case for possessing hiding universal wheel mechanism |
| CN107965239A (en) * | 2017-12-22 | 2018-04-27 | 昆明理工大学 | A kind of castor liftable mobile insurance case |
| CN108143065A (en) * | 2017-12-23 | 2018-06-12 | 常州摩本智能科技有限公司 | Intelligent luggage carrier |
-
2019
- 2019-07-22 CN CN201910660966.0A patent/CN110341379B/en active Active
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4254850A (en) * | 1979-10-29 | 1981-03-10 | Knowles Harford E | Luggage case |
| US5813503A (en) * | 1996-11-18 | 1998-09-29 | Chang; Yuan-Chi | Luggage case structure with retrievable handle and wheels |
| CN2372164Y (en) * | 1998-12-23 | 2000-04-05 | 乔工科技股份有限公司 | Automatic retractable roller device |
| CN2364727Y (en) * | 1999-02-09 | 2000-02-23 | 李芳卿 | Built-in roller of trunk |
| US6360400B1 (en) * | 2000-02-22 | 2002-03-26 | Fu-Jung Chang | Controlling device for retractable wheels of a luggage barrow |
| US6401888B1 (en) * | 2000-07-03 | 2002-06-11 | Chaw Khong Technology Co., Ltd. | Rotatable auxiliary wheel seat of a trunk |
| CN2596820Y (en) * | 2002-03-29 | 2004-01-07 | 厦门进雄企业有限公司 | Tourist case with automatic contracting wheels |
| CN1647715A (en) * | 2004-01-06 | 2005-08-03 | 苏旺你株式会社 | Bag with caster wheels |
| CN206620973U (en) * | 2017-02-28 | 2017-11-10 | 山东科技大学 | A kind of multi-functional formula luggage case |
| CN206978991U (en) * | 2017-06-16 | 2018-02-09 | 尹天放 | A kind of luggage case for possessing hiding universal wheel mechanism |
| CN107965239A (en) * | 2017-12-22 | 2018-04-27 | 昆明理工大学 | A kind of castor liftable mobile insurance case |
| CN108143065A (en) * | 2017-12-23 | 2018-06-12 | 常州摩本智能科技有限公司 | Intelligent luggage carrier |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110341379B (en) | 2021-03-09 |
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Effective date of registration: 20210210 Address after: 215500 Shajiabang Town, Changshu City, Suzhou City, Jiangsu Province Applicant after: Hesheng Precision Plastic (Suzhou) Co.,Ltd. Address before: No.47-2, Biyun Road, Shiliang Town, Kecheng District, Quzhou City, Zhejiang Province 324000 Applicant before: Quzhou Dongtai Environmental Protection Technology Co.,Ltd. |
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