CN103963235B - Linkage combination Bidirectional slide slide block mechanism - Google Patents
Linkage combination Bidirectional slide slide block mechanism Download PDFInfo
- Publication number
- CN103963235B CN103963235B CN201410194758.3A CN201410194758A CN103963235B CN 103963235 B CN103963235 B CN 103963235B CN 201410194758 A CN201410194758 A CN 201410194758A CN 103963235 B CN103963235 B CN 103963235B
- Authority
- CN
- China
- Prior art keywords
- slide block
- sub
- female
- chute
- slide
- 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.)
- Expired - Fee Related
Links
- 230000002457 bidirectional effect Effects 0.000 title claims abstract description 13
- 230000000694 effects Effects 0.000 claims description 8
- 238000010030 laminating Methods 0.000 claims description 8
- 238000002347 injection Methods 0.000 description 4
- 239000007924 injection Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 2
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/40—Removing or ejecting moulded articles
- B29C45/4005—Ejector constructions; Ejector operating mechanisms
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/26—Moulds
- B29C45/33—Moulds having transversely, e.g. radially, movable mould parts
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
A kind of linkage combination Bidirectional slide slide block mechanism, the lower surface of sub-slide block (2) is provided with the chute (3) of opening, the bottom surface of chute (3) is inclined-plane, the upper end of female slide block (1) is slidably connected in chute (3), it is provided with journey stop gear between female slide block (1) and sub-slide block (2), the sidewall of chute (3) is provided with groove, the side of female slide block (1) upper end is provided with the projection (4) being slidably connected with groove, the side of sub-slide block (2) is provided with the gathering sill (5) that two parallel cross sections are arc, movable limited post (6) other end end face slides with gathering sill (5) and fits, movable limited post (6) other end is circumferentially with the radial protrusion (7) of annular, spring (8) it is provided with between radial protrusion (7) and mould；Compared with prior art, to have production efficiency higher for the present invention, it is possible to decrease labor strength, and service life is longer, it is ensured that constant product quality and can reduce the feature of mould production cost.
Description
Technical field
The present invention relates to a kind of mold releasability slide block mechanism, particularly relate to the linkage combination Bidirectional slide of a kind of mold releasability
Slide block mechanism.
Background technology
At present, in injection mold, face single for product needs the crossed slider demoulding of multiple directions, and this single is above gone back
Fluted, this allows for existing between upper sliding block can not be by the part of existing slide block direct demold, and existing technology is to adopt
With movable insert, need prior workman to be manually placed on die, terminate after depanning until injection, in addition it is also necessary to workman by movable insert from
Lifting down on product and be put back on die, but to result in production efficiency relatively low for this, the labor intensity of workman is the biggest, manually
Cost increases；Simultaneously when workman moves movable insert, there is movable insert to drop and injure the situation of workman by a crashing object, and once movable insert
Dropping, movable insert is easily deformed, and then causes damp production, then the less stable produced；Furthermore inlay in activity during injection
Easily produce overlap at part, and the service life of movable insert is shorter, and then cause constant product quality poor, and produce into
This is higher.
Summary of the invention
The present invention is directed to problem above provides a kind of production efficiency higher, it is possible to decrease labor strength, service life is longer, can
Ensure product quality stability and can reduce mould production cost linkage combination Bidirectional slide slide block mechanism.
The present invention solves the technical scheme used by problem above: provide a kind of linkage combination Bidirectional slide with following structure to slide
Block mechanism, it includes mould, and described mould slidably connects female slide block and sub-slide block, and described mould is provided with driving machine
Structure, the lower surface of described sub-slide block is provided with the chute of opening, and the bottom surface of chute is inclined-plane, slides in the upper end of described female slide block
It is connected in chute, and the upper surface of female slide block is also inclined-plane, between described female slide block and sub-slide block, be provided with the female slide block phase of restriction
The journey stop gear slidably reciprocated for sub-slide block, the sidewall of described chute is provided with groove, and groove center line and chute
Bottom surface parallel, the side of described female upper end of slide block is provided with the projection being slidably connected with groove, described female slide block and the machine of driving
Structure drive connection, it is the gathering sill of arc that the side of described sub-slide block is provided with two parallel cross sections, on described mould also
Being provided with slide opening and movable limited post, described movable limited post one end is slidably connected in slide opening, movable limited post other end end face
For sphere, and movable limited post other end end face and gathering sill slide laminating, and the described movable limited post other end is circumferentially with ring
The radial protrusion of shape, is provided with between described radial protrusion and mould for being pressed in gathering sill by activity limited post other end end face
Spring.
After using above structure, compared with prior art, in use, after big slide block skids off, drive mechanism drives the present invention
Lower female slide block slides, under female slide block and the inclined-plane of sub-slide block and the effect with gathering sill of the movable limited post, and sub-slide block upward sliding,
Now loosing core to deviate from from groove, when female slide block slides into the stroke limit of female slide block and sub-slide block, female slide block is sliding by band mover
Block parallel sliding, until sub-slide block slides into limited post and coordinates with another gathering sill, now realizes loosing core completely；Therefore it is whole de-
Mould and the process of loosing core need not workman and participate in, and automaticity is higher, and production efficiency, and the labor intensity of workman can be greatly improved
Relatively low, and do not need the manual parts participating in carrying of workman, therefore the most there are not parts and injure workman and parts damage by a crashing object
Bad situation, safety in utilization is preferable, and the service life of parts is the longest, and production stability is preferable, the steady quality of product
Property is preferable；Additionally when matched moulds, drive mechanism drives lower female slide block to reset, on female slide block and the inclined-plane of sub-slide block and movable limit
Position post is with under the effect of gathering sill, and the most sub-slide block slide downward, until sub-slide block slides into the horizontal level position less than big slide block
Put, with stepmother's slide block slide into female slide block with under the effect of the stroke limit of sub-slide block, female slide block and sub-slide block can and big slide block with
Time horizontal direction slide reset so that the time of matched moulds is shorter, and then can improve mould production efficiency, reduce production cost, and
And matched moulds rear stability is preferable, position of loosing core is difficult to overlap occur when injection, and then ensure that the quality of product.Therefore this
Bright to have production efficiency higher, it is possible to decrease labor strength, and service life is longer, it is ensured that constant product quality and can dropping
The feature of low mould production cost.
As improvement, described journey stop gear includes the limited screw being arranged on sub-upper end of slide block face and is arranged on female slide block
The stopper slot of end face strip, described sub-upper end of slide block face is provided with screwed hole, and described screwed hole connects with chute, described
Limited screw screws in screwed hole, and the free end of limited screw screw rod is slidably connected in stopper slot, described stopper slot
Length direction is identical with the length direction along female upper end of slide block face；The most this journey stop gear structure is relatively simple, the sky taken
Between the least, the overall volume of core-pulling mechanism will not be increased, the most not affect the overall volume of mould, and be purely mechanic mechanism,
Dependability is preferable, is also easy to safeguard simultaneously, and cost is relatively low.
As improving further, described drive mechanism is oil cylinder, and one end of the described nearly oil cylinder of female slide block is provided with T-slot, institute
The free end of the cylinder piston rod stated is provided with the T-type structure being connected with T-slot；Oil cylinder is easy to be used in conjunction with other oil cylinder of mould
One oil pump, is unlikely to additionally to add equipment, it is possible to decrease production cost；The technology of oil cylinder is more ripe simultaneously, and stability in use is also
Preferably；And T-slot and the attachment structure of T-type structure, gap is less, and then can ensure the precision of motion.
As further improving, described female slide block is provided with and the secondary surface of sub-slide block lower surface slip laminating；Then secondary surface
After arranging so that stability when female slide block mutually slides with sub-slide block is more preferable, and then ensure the precision loosed core, when preventing from loosing core
Damaging product, and female slide block is bigger with sub-slider contact surface, the stability between female slide block and sub-slide block is more preferable, can be effectively
When preventing from being molded, there is the situation of overlap in product, improves yield rate and product quality.
Accompanying drawing explanation
Fig. 1 be the present invention link combination Bidirectional slide slide block mechanism matched moulds time structural representation.
Fig. 2 is that the present invention links combination Bidirectional slide slide block mechanism slide block structural representation when upwards sliding into extreme position.
Fig. 3 present invention link combination Bidirectional slide slide block mechanism die sinking time structural representation.
As shown in the figure: 1, female slide block, 2, sub-slide block, 3, chute, 4, protruding, 5, gathering sill, 6, movable limited post, 7,
Radial protrusion, 8, spring, 9, limited screw, 10, stopper slot, 11, oil cylinder, 12, T-slot, 13, T-type structure,
14, secondary surface.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the present invention is described further.
As shown in Figure 1, Figure 2 and Figure 3, a kind of linkage combination Bidirectional slide slide block mechanism, it includes that mould (does not shows in accompanying drawing
Go out), described mould slidably connects female slide block 1 and sub-slide block 2, female slide block 1 and sub-slide block 2 are respectively positioned under big slide block
Side, described mould is provided with drive mechanism, and the lower surface of described sub-slide block 2 is provided with the chute 3 of opening, chute 3 along
The length direction of sub-slide block 2 extends, and chute 3 is inclined-plane in the both ends open of sub-slide block 2 length, the bottom surface of chute 3, sliding
The bottom surface of the nearly drive mechanism one end of groove 3 is more than the chute 3 end away from drive mechanism one end to the distance between sub-slide block 2 upper surface
Face to the distance between sub-slide block 2 upper surface, the i.e. height of the vertical direction of the nearly drive mechanism in the bottom surface of chute 3 one end less than sliding
The height of the vertical direction of the bottom surface other end of groove 3, the upper end of described female slide block 1 is slidably connected in chute 3, and female sliding
The upper surface of block 1 is also inclined-plane, and slide laminating, described female slide block 1 and son for the upper surface of female slide block 1 and the bottom surface of chute 3
It is provided with between slide block 2 and limits the journey stop gear that female slide block 1 slidably reciprocates relative to sub-slide block 2, i.e. limit female slide block 1 He
Sub-slide block 2 slidably reciprocates the journey stop gear of stroke each other, and the sidewall of described chute 3 is provided with groove, and groove
Centrage is parallel with the bottom surface of chute 3, and the side of described female slide block 1 upper end is provided with the projection 4 being slidably connected with groove, and one
As protruding 4 be the projection of strip, be the most alternatively made up of several single projections；It is all provided with on two sidewalls of chute 3
Fluted, and the both sides of corresponding female slide block 1 upper end are equipped with the projection 4 being slidably connected with groove；Described female slide block 1 with
Drive mechanism drive connection, the side of described sub-slide block 2 is provided with the gathering sill 5 that two parallel cross sections are arc, described
Mould on be additionally provided with slide opening and movable limited post 6, usually mould are provided with the press strip to female slide block 1, and female slide block 1 time
It is protruding that the both sides of end are provided with the strip that is slidably matched with press strip, for the guiding that female slide block 1 horizontal direction is slided and spacing,
And slide opening is arranged on press strip, movable limited post 6 one end is provided with external screw thread, and it is the most sliding that movable limited post 6 is provided with externally threaded one end
Hole rearward end is combined with nut, and the external diameter of nut is more than the diameter of slide opening, and spring 8 is socketed on movable limited post 6, and spring
8 between radial protrusion 7 and press strip, when the most movable limited post 6 other end end is positioned at gathering sill 5, and now spring 8
Length less than length during free state more than length when being retracted to extreme position；Slide in described movable limited post 6 one end
Being connected in slide opening, movable limited post 6 other end end face is sphere, and movable limited post 6 other end end face is sliding with gathering sill 5
Dynamic laminating, described movable limited post 6 other end is circumferentially with the radial protrusion 7 of annular, described radial protrusion 7 and mould
Between be provided with the spring 8 for being pressed in gathering sill 5 by movable limited post 6 other end end face.
Described journey stop gear includes the limited screw 9 being arranged on sub-slide block 2 upper surface and is arranged on female slide block 1 upper surface
The stopper slot 10 of strip, the bottom surface of general stopper slot 10 is plane, i.e. the bottom surface of stopper slot 10 is put down with the upper surface of slide block 2
OK, described sub-slide block 2 upper surface is provided with screwed hole, and described screwed hole connects with chute 3, described limited screw 9
Screw in screwed hole, i.e. the screwing in screwed hole of limited screw 9 screw rod, and the free end of limited screw 9 screw rod slides even
Be connected in stopper slot 10, i.e. limited screw 9 screw rod stretches out the length degree of depth less than stopper slot 10 minimum of screwed hole, because female
The upper surface of slide block 1 is inclined-plane, so the degree of depth of stopper slot 10 length direction one end is more than the stopper slot 10 length direction other end
The degree of depth, the length direction of described stopper slot 10 is identical with the length direction along female slide block 1 upper surface.
Described drive mechanism is oil cylinder 11, and one end of the described nearly oil cylinder 11 of female slide block 1 is provided with T-slot 12, and T-slot is also
Being referred to as T font groove, the free end of described oil cylinder 11 piston rod is provided with the T-type structure 13 being connected with T-slot 12, T junction
Structure is also referred to as T font structure；Through hole and gag lever post that general T-type structure 13 is provided with by the free end of oil cylinder 11 piston rod form,
The axis of this through hole is vertical with the axis of piston rod, and gag lever post grafting is in through-holes, and the end, two ends of gag lever post is positioned at through hole
Outside.
Described female slide block 1 is provided with and the secondary surface 14 of sub-slide block 2 lower surface slip laminating, and secondary surface 14 also is understood as
It is the upper surface of female slide block 1, and the part that female slide block 1 is slidably connected in chute 3 is not understood as the convex of female slide block 1 upper surface
Rise.
During work, after big slide block skids off, oil cylinder 11 drives lower female slide block to slide, on the inclined-plane of female slide block 1 and sub-slide block 2 and
Under the effect of movable limited post 6 and gathering sill 5, sub-slide block 2 upward sliding, now loose core to deviate from from the groove of product, limit
The inwall laminating of position screw 9 and stopper slot 10 length direction one end, when female slide block 1 continues to slide, mother's slide block 1 will be with son
Slide block 2 parallel sliding, in the process, movable limited post 6 skids off from a gathering sill 5, until movable limited post 6 with
Stop when another gathering sill 5 coordinates sliding, now can realize loosing core completely, product can be ejected；And when matched moulds, oil
Cylinder 11 drives lower female slide block 1 to reset, in the effect of female slide block 1 and the inclined-plane of sub-slide block 2 and movable limited post 6 with gathering sill 5
Under, the first slide downward of the most sub-slide block 2, until sub-slide block 2 slides into the horizontal level position less than big slide block, now son is sliding
The height of block 2 is identical with height during matched moulds, and now limited screw 9 is fitted with the inwall of the stopper slot 10 length direction other end,
Sliding along with the continuation of female slide block 1 subsequently, female slide block 1 will be horizontally slid to initial position with sub-slide block 2, the biggest slide block
Horizontal direction slip simultaneously can reset, and then reduce burn close time.
Above example is only presently preferred embodiments of the present invention, and the present invention is not limited only to above example and also allows for the change of other structure
Change, all in rights to independence claimed range of the present invention change, all belong to scope.
Claims (3)
1. a linkage combination Bidirectional slide slide block mechanism, it includes mould, it is characterised in that: it is slidably connected on described mould
Having female slide block (1) and sub-slide block (2), described mould is provided with drive mechanism, the lower surface of described sub-slide block (2)
Being provided with the chute (3) of opening, the bottom surface of chute (3) is inclined-plane, and the upper end of described female slide block (1) is slidably connected at cunning
In groove (3), and the upper surface of female slide block (1) is also inclined-plane, sets between described female slide block (1) and sub-slide block (2)
The journey stop gear that restricted female slide block (1) slidably reciprocates relative to sub-slide block (2), the side of described chute (3)
Wall is provided with groove, and groove center line is parallel with the bottom surface of chute (3), and the side of described female slide block (1) upper end sets
There are the projection (4) being slidably connected with groove, described female slide block (1) and drive mechanism drive connection, described sub-slide block (2)
Side be provided with the gathering sill (5) that two vertical parallel cross sections are arc, described mould is additionally provided with slide opening and movable limit
Position post (6), described movable limited post (6) one end is slidably connected in slide opening, movable limited post (6) other end end face
For sphere, and movable limited post (6) other end end face and gathering sill (5) slide laminating, described movable limited post (6)
The other end is circumferentially with the radial protrusion (7) of annular, is provided with for activity being limited between described radial protrusion (7) and mould
The spring (8) that position post (6) other end end face is pressed in gathering sill (5)；Described journey stop gear includes being arranged on son
The limited screw (9) of slide block (2) upper surface and be arranged on the stopper slot (10) of female slide block (1) upper surface strip, institute
Sub-slide block (2) upper surface stated is provided with screwed hole, and described screwed hole connects with chute (3), described limited screw (9)
Screwing in screwed hole, and the free end of limited screw (9) screw rod is slidably connected in stopper slot (10), described is spacing
The length direction of groove (10) is identical with the length direction along female slide block (1) upper surface.
Linkage combination Bidirectional slide slide block mechanism the most according to claim 1, it is characterised in that: described drive mechanism
For oil cylinder (11), one end of the nearly oil cylinder (11) of described female slide block (1) is provided with T-slot (12), described oil cylinder (11)
The free end of piston rod is provided with the T-type structure (13) being connected with T-slot (12).
Linkage combination Bidirectional slide slide block mechanism the most according to claim 1, it is characterised in that: described female slide block (1)
It is provided with and the secondary surface (14) of sub-slide block (2) lower surface slip laminating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410194758.3A CN103963235B (en) | 2014-04-29 | 2014-04-29 | Linkage combination Bidirectional slide slide block mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410194758.3A CN103963235B (en) | 2014-04-29 | 2014-04-29 | Linkage combination Bidirectional slide slide block mechanism |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103963235A CN103963235A (en) | 2014-08-06 |
| CN103963235B true CN103963235B (en) | 2016-09-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410194758.3A Expired - Fee Related CN103963235B (en) | 2014-04-29 | 2014-04-29 | Linkage combination Bidirectional slide slide block mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103963235B (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104249441B (en) * | 2014-09-18 | 2016-11-02 | 温州恒田模具发展有限公司 | A kind of core-pulling mechanism of injection mould |
| CN104647659B (en) * | 2015-02-11 | 2017-06-20 | 深圳市冠旭电子股份有限公司 | De- back-off device |
| CN108908861B (en) * | 2016-08-31 | 2020-07-14 | 宁波方正汽车模具股份有限公司 | Demoulding device at water injection port of automobile water tank cover |
| CN108097913B (en) * | 2017-12-21 | 2023-12-29 | 浙江辉旺机械科技股份有限公司 | Single-oil-cylinder double-angle sliding block structure |
| CN111673983A (en) * | 2020-05-17 | 2020-09-18 | 宁波正佳模塑有限公司 | Forming die structure of staggered-tooth clamping ring plastic part |
| CN112936765B (en) * | 2021-03-19 | 2022-08-26 | 重庆持恒模具有限公司 | Core pulling mechanism for inward opening handle of vehicle door |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6196821B1 (en) * | 1998-01-16 | 2001-03-06 | Lily Chen | Mold assembly for injection molding flat-type heat sinks |
| CN201755897U (en) * | 2010-07-12 | 2011-03-09 | 浙江金典模具有限公司 | Inclined slide type secondary core drawing mechanism of injection mould |
| CN202412611U (en) * | 2011-12-28 | 2012-09-05 | 厦门市超日精密模具有限公司 | Combined sliding block |
| CN102700080A (en) * | 2012-05-13 | 2012-10-03 | 宁波方正汽车模具有限公司 | Linkage core-pulling device of crosswise slide block and inverted-buckling slide block |
| CN203844148U (en) * | 2014-04-29 | 2014-09-24 | 宁波市华宝塑胶模具股份有限公司 | Bidirectional sliding slide block mechanism in linked combination |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20110318447A1 (en) * | 2010-06-28 | 2011-12-29 | Cheng Uei Precision Industry Co., Ltd. | Angled Core-Pulling Mechanism of Mold |
-
2014
- 2014-04-29 CN CN201410194758.3A patent/CN103963235B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6196821B1 (en) * | 1998-01-16 | 2001-03-06 | Lily Chen | Mold assembly for injection molding flat-type heat sinks |
| CN201755897U (en) * | 2010-07-12 | 2011-03-09 | 浙江金典模具有限公司 | Inclined slide type secondary core drawing mechanism of injection mould |
| CN202412611U (en) * | 2011-12-28 | 2012-09-05 | 厦门市超日精密模具有限公司 | Combined sliding block |
| CN102700080A (en) * | 2012-05-13 | 2012-10-03 | 宁波方正汽车模具有限公司 | Linkage core-pulling device of crosswise slide block and inverted-buckling slide block |
| CN203844148U (en) * | 2014-04-29 | 2014-09-24 | 宁波市华宝塑胶模具股份有限公司 | Bidirectional sliding slide block mechanism in linked combination |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103963235A (en) | 2014-08-06 |
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| CP01 | Change in the name or title of a patent holder |
Address after: 315609 Ninghai Meilin Fangqian Village Ningbo Huabao Plastic Mould Co., Ltd. Patentee after: Ningbo Huabao Intelligent Technology Co.,Ltd. Address before: 315609 Ninghai Meilin Fangqian Village Ningbo Huabao Plastic Mould Co., Ltd. Patentee before: NINGBO HUABAO PLASTICS & RUBBER MOULD CO.,LTD. |
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| EE01 | Entry into force of recordation of patent licensing contract | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Application publication date: 20140806 Assignee: Ningbo Guolang Robot Technology Co.,Ltd. Assignor: Ningbo Huabao Intelligent Technology Co.,Ltd. Contract record no.: X2021330000328 Denomination of invention: Linkage combined bidirectional sliding slider mechanism Granted publication date: 20160921 License type: Common License Record date: 20210927 |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160921 |