CN108214048B - It is a kind of to stablize durable turning attachment - Google Patents
It is a kind of to stablize durable turning attachment Download PDFInfo
- Publication number
- CN108214048B CN108214048B CN201810191101.XA CN201810191101A CN108214048B CN 108214048 B CN108214048 B CN 108214048B CN 201810191101 A CN201810191101 A CN 201810191101A CN 108214048 B CN108214048 B CN 108214048B
- Authority
- CN
- China
- Prior art keywords
- clamping
- connecting rod
- clamping piece
- cylinder block
- rod
- 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
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
- B23Q3/12—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine for securing to a spindle in general
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q2703/00—Work clamping
- B23Q2703/02—Work clamping means
- B23Q2703/04—Work clamping means using fluid means or a vacuum
Abstract
It is a kind of to stablize durable turning attachment, including lathe spindle, set on the clamping device of lathe spindle one end, the supporting element for being used to support workpiece, the driving mechanism for being matched with clamping device and the first cylinder block being fixed on lathe, the clamping device includes clamping piece, the first connecting rod matched with clamping piece and the second connecting rod for being used to support clamping piece, and the clamping piece and first connecting rod are flexibly connected by a connecting shaft.The clamping radius of clamping piece can arbitrarily be changed by the flexible connection of first connecting rod and clamping piece in the present invention, meet the clamping to various outer diameter workpiece, and applicable range is wide.
Description
Technical field
The invention belongs to field of mechanical technique more particularly to a kind of stablize durable turning attachment.
Background technique
Fixture is widely used in lathe process, before work pieces process, is typically necessary and is carried out clamping and consolidate
It is fixed, if fixture not can be carried out fixed workpiece well and will result in that product quality goes wrong and size is easy to produce partially
Difference, the accuracy rate and precision of processing not can guarantee, and cause production efficiency low, product qualification rate is not also high.Traditional fixture is all
It is, because of the difference of workpiece size and diameter, to cause clamping cumbersome inconvenient and manual using common scroll chuck craft clamping
Clamping increases the labor intensity and difficulty of worker, and applicable range is also small.
Summary of the invention
The present invention for overcome the deficiencies in the prior art, provide a kind of applied widely, clamping easily stablize it is durable
Turning attachment.
To achieve the goals above, the invention adopts the following technical scheme: a kind of stablize durable turning attachment, including vehicle
Bed main shaft, set on lathe spindle one end clamping device, be used to support workpiece supporting element, for what is matched with clamping device
Driving mechanism and the first cylinder block being fixed on lathe, the clamping device include clamping piece, matched with clamping piece
One connecting rod and the second connecting rod for being used to support clamping piece, the clamping piece and first connecting rod are flexibly connected by a connecting shaft.This
Clamping piece can work as clamping by arbitrarily being changed the radius of clamping with first connecting rod and being flexibly connected for clamping piece in invention
When part is swung, the clamping radius of clamping piece changes so that radius is smaller and smaller until clamping piece is all resisted against workpiece
End face on realize clamp, meet and the workpiece of various outer diameter clamped, applicable range is wide；Pass through setting for second connecting rod
The case where setting, realizing good support to clamping piece, clamping piece is avoided to shake in clamping workpiece, improves the stabilization of equipment
Property, and can clamping piece it is more secured for the clamping of workpiece.
Further, the clamping device further includes sliding rail and the sliding part that matches with sliding rail, the second connecting rod
One end is to be flexibly connected with sliding part, and the other end of second connecting rod is connected with the connecting shaft for connecting first connecting rod and clamping piece
It connects；The frictional force when sliding rail is used to cooperate the sliding of sliding part and can reduce sliding part sliding in sliding process, reduces
The resistance that sliding part is subject in moving process, the angle for guaranteeing that second connecting rod can cooperate clamping piece to open quickly are moved
It is dynamic, it effectively avoids clamping piece from stuck situation occur, reduces failure rate；The second connecting rod, which is used to support connection, prevents clamping piece
It is in vacant state with first connecting rod, the connecting shaft is for the flexible connection between first connecting rod, second connecting rod and clamping piece.
Further, the workpiece is equipped with convex block, and clamping piece is equipped with the groove matched with workpiece convex block, described recessed
Slot is equipped with anti-falling piece；Groove on the clamping piece, which is used for convex block and groove in clamping, can suit holding, recessed
The anti-falling piece being arranged on slot is the frictional force in order to increase clamping piece and workpiece after clamping, prevent in clamping process workpiece with
Clamping piece falls off.
Further, the clamping piece, first connecting rod and the arc-shaped shape structure setting of second connecting rod, it is described to connect first
Bar, second connecting rod and clamping piece, which are set as arc shape, can increase the receiving pressure of component, prevent using after overlong time because of stress mistake
It produces fracture greatly, prolongs the service life and more aesthetically pleasing.
Further, the driving mechanism includes the body of rod in the lathe spindle and for driving body of rod axial action
Power device, the lower end of the first connecting rod are to be flexibly connected with the body of rod；The body of rod is for driving first connecting rod, and the body of rod is forward
Driving rotates the transit point of first connecting rod and the body of rod, thus the clamping model that first connecting rod drives clamping piece to constitute clamping piece
Enclose the clamping gradually become smaller Shi Xians to object.
Further, the power device includes being set to the second cylinder block on lathe spindle, being set in the second cylinder block
Piston rod, second cylinder block and lathe spindle are to be fixedly and coaxially connected, and the lower end of piston rod and the body of rod are coaxial fixation
Connection；Second cylinder block and piston rod are for driving the body of rod to be moved.
Further, one end of the lathe spindle is equipped with ring flange, and the second cylinder block is fixed by bolts in ring flange
On；The middle part location hole of the supporting element, the positioning hole are equipped with locating piece；The locating piece is used to workpiece carrying out centering
It is put on supporting element, ensure that the precision and accuracy of clamping in clamping.
Further, first cylinder block includes outer cylinder body, is set to the intracorporal inner cylinder body of outer shell, second cylinder block
It is fixedly and coaxially connected by bolt and inner cylinder body；First cylinder block is for driving the second cylinder block, lathe spindle and clamping
Mechanism is rotated.
In conclusion the clamping piece of clamping device of the present invention can be by the activity with first connecting rod and second connecting rod even
It connects and is arbitrarily changed the radius of clamping, when clamping piece is swung, the clamping radius of clamping piece changes so that half
It realizes and clamps on the smaller and smaller end face for being all resisted against workpiece until clamping piece of diameter, meet the workpiece progress to various outer diameter
Clamping, applicable range are wide.
Detailed description of the invention
Fig. 1 is the structural diagram of the present invention.
Fig. 2 is the structural schematic diagram of clamping device of the invention.
Fig. 3 is the enlarged drawing in Fig. 1 at b.
Fig. 4 is the enlarged drawing in Fig. 1 at C.
Specific embodiment
In order to make those skilled in the art better understand the present invention program, below in conjunction in the embodiment of the present invention
Attached drawing, the technical scheme in the embodiment of the invention is clearly and completely described.
As shown in Figs 1-4, a kind of to stablize durable turning attachment, including lathe spindle 1, set on 1 one end of lathe spindle
Clamping device 2, the supporting element 3 for being used to support workpiece a, the driving mechanism 4 for matching with clamping device 2 and it is fixed on lathe
On the first cylinder block 5；First cylinder block 5 is the convolution cylinder being fixed on lathe, and first cylinder block 5 includes outer
Cylinder body 51, the inner cylinder body 52 in outer cylinder body 51, the second cylinder block 5 are fixedly and coaxially connected by bolt with inner cylinder body 52；Institute
State the first cylinder block 5 for drive the second cylinder block 4201, lathe spindle 1 and clamping device 2 rotated, first cylinder block
5 remaining structure is the prior art, is repeated no more；The supporting element 3 is support plate, is fixed by welding in lathe spindle 1
On upper end；Specifically, the clamping device 2 includes clamping piece 21, first connecting rod 22 and second connecting rod 23；The clamping piece 21
For the metal clamping jaw of arc shape, 22 upper end of first connecting rod is articulated and connected by a connecting shaft and the clamping piece 21, lower end
It is flexibly connected with the driving mechanism 4, which may be configured as metal pin；Clamping piece 21 passes through the work with first connecting rod 22
Dynamic connection, enables the radius of clamping to be arbitrarily changed, when clamping piece 21 is swung, the clamping radius of clamping piece 21
It changes and is clamped so that being realized on the smaller and smaller end face for being all resisted against workpiece a until clamping piece of radius, met to not
Workpiece with outer diameter is clamped, and applicable range is wide.
Further, the second connecting rod 23 is used to support clamping piece 21, which has a sliding
Part 25, the sliding part 25 are sliding shoe made of metal；The lathe spindle 1 is equipped with sliding rail 24 made of metal, the cunning
Moving part 25 can be moved left and right on the slide rail；The top of the second connecting rod 23 is hinged to clamping piece 21 and first connecting rod 22
Junction；It specifically, the clamping piece 21, first connecting rod 22 and second connecting rod 23 are arc shape structure setting, and is gold
Category is made, and arcuate structure can increase the receiving pressure of above-mentioned component, prevent using after overlong time because stress is excessive generate it is disconnected
It splits, prolongs the service life.
Further, the driving mechanism 4 includes metallic rod body 41 in the lathe spindle and for driving the body of rod 41
The power device 42 of axial action；The lower end of the first connecting rod 22 and 41 upper end of the body of rod are hinged；The power device 42 includes
The second cylinder block 4201 on lathe spindle 1, the metallic piston bar 4202 in the second cylinder block 4201；Described second
Cylinder block 4201 is the cylinder being commercially available on the market, and piston is equipped in the piston rod 4202, which is the prior art, no
It does and excessively repeats；Second cylinder block 4201 is to be fixedly and coaxially connected with lathe spindle 1, the lower end of piston rod 4202 and the body of rod
41 be to be fixedly and coaxially connected；Wherein, it is fixedly and coaxially connected and refers between two components to be connected, and the axis of two components is in same
On straight line；One end of the lathe spindle 1 is equipped with metal flange 11, and the second cylinder block 4201 is fixed by bolts in ring flange
On 11.
The supporting element 3 is equipped with multiple perforation 31, these perforation 31 are spaced equal along the circumferencial direction of the supporting element
Even distribution；The quantity of perforation and the quantity of clamping piece 21 are consistent, specific number according to actual needs depending on, do not do specific
It limits；The position that the position of the perforation 31 corresponds to clamping piece 21 is arranged, and the top of clamping piece 21 is stretched out after passing through perforation 31
Supporting element upper surface；Preferably, as shown in figure 4, the central part position of supporting element 3 is equipped with location hole 32, in the location hole 32
Equipped with locating piece 33；Specifically, the location hole 32 is set as cylindricality, the locating piece 33 is made of metal, the locating piece 33
Including upper positioning region 331 and lower positioning region 332, which is downwardly extending by the upper positioning lower surface；It is described
Lower positioning region 332 is cylindricality, and upper positioning region 331 is disc-shaped structure；Further, 332 side wall of lower positioning region is equipped with
Two ring slots 333, and flexible piece 334 is equipped in annular groove, which is rubber ring；By the setting of the flexible piece 334,
The frictional force between lower positioning region 332 and location hole 32 is increased, to effectively avoid lower positioning region by deviating from location hole, is protected
Card locating piece can be realized the stable position to workpiece；The workpiece a is equipped with the opening 10 penetrated for upper positioning region, preferably
, upper 331 upper end of positioning region is equipped with top incline 3311, and lower 332 lower end of positioning region is equipped with bottom incline 3321, by inclining
The setting on inclined-plane 3311, so that upper positioning region is more smooth in the opening being inserted on workpiece；Secondly, upper positioning region 331
Settable larger of outer diameter, thus when upper positioning region 331 is inserted into the opening of workpiece, upper positioning region 331 and 10 energy of opening
It is enough to realize interference fit, locating piece is further increased for the locating effect of workpiece；Likewise, the setting of bottom incline 3321 makes
Positioning region must be descended to penetrate, and location hole is more smoothly, and realizes the interference fit of lower positioning region and location hole；When workpiece is placed in support
When on part 3, locating piece 33 will be inserted into positioning hole, realize that the centering to workpiece a positions, and ensure that the precision of clamping and accurate
Degree.
As shown in figure 3, the workpiece a is equipped with stopper protrusion 212, clamping piece 21 is equipped with and the stopper protrusion 212
The groove 211 matched；Specifically, along the circumferential direction above evenly spaced in the workpiece outer wall be distributed with multiple card slots, institute
Stating stopper protrusion is the protrusion extended by card slot bottom；The groove 211 is to work as folder set on 21 end notches of clamping piece
When gripping member clamps workpiece, clamping piece end can be penetrated to card slot, and be contradicted to workpiece, and stopper protrusion will be caught in groove
It is interior, certain position-limiting action is played, guarantees secured clamping of the clamping piece to workpiece；Preferably, an anticreep is equipped in the groove
Part 213, the anti-falling piece 213 are rubber pad made of rubber, which is connected on the groove inner wall by bonding；
By the setting of anti-falling piece 213, clamping piece 21 and frictional force of the workpiece a after clamping can be increased, the work in clamping process is prevented
Part a falls off with clamping piece 21；Further, evenly spaced on the anti-falling piece 213 to be equipped with multiple convex ribs 214, pass through convex ribs 214
Setting, the face contact between anti-falling piece and stopper protrusion is converted to the point contact between convex ribs and stopper protrusion, thus
The local pressure acted in stopper protrusion increases, more secured for the clamping of workpiece.
Concrete principle is as follows: the first cylinder block 5 of starting drives the second cylinder block 4201, lathe spindle 1 and clamping device 2 to revolve
Turn, workpiece a alignment locating piece 33 is put on supporting element 3, the piston in piston rod 4202 works, and stretches piston rod 4202
Then the body of rod 41 is driven to be moved up out, one end that the body of rod 41 drives first connecting rod 22 hinged with it moves up, to make to press from both sides
Gripping member 21 is overturn at the position of connecting shaft, however is formed by range between making several clamping pieces 21 and is gradually become smaller, when
At the groove 211 of clamping piece 21 with the stopper protrusion 212 of workpiece a completely against when, realize clamping to workpiece a.
Obviously, described embodiment is only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment should fall within the scope of the present invention.
Claims (5)
1. a kind of stablize durable turning attachment, including lathe spindle (1), set on the clamping device of lathe spindle (1) one end
(2), it is used to support the supporting element (3) of workpiece (a), for the driving mechanism (4) that matches with clamping device (2) and is fixed on vehicle
The first cylinder block (5) on bed, it is characterised in that: the clamping device (2) includes that clamping piece (21) and clamping piece (21) match
The first connecting rod (22) of conjunction and the second connecting rod (23) for being used to support clamping piece (21), the clamping piece (21) and first connecting rod
(22) it is flexibly connected by a connecting shaft (26), the clamping device (2) further includes sliding rail (24) and matches with sliding rail (24)
Sliding part (25), one end of the second connecting rod (23) is to be flexibly connected with sliding part (25), second connecting rod (23) it is another
End is flexibly connected with connecting shaft (26), and the clamping device further includes the stopper protrusion (212) being set on workpiece (a), is set to folder
The groove (211) that is matched in gripping member (21) with stopper protrusion (212), the anti-falling piece (213) being set in the groove (211) and
Uniformly multiple convex ribs (214) on anti-falling piece (213), the clamping piece (21), first connecting rod (22) and second connect at interval
The arc-shaped shape structure setting of bar (23).
2. a kind of according to claim 1 stablize durable turning attachment, it is characterised in that: the driving mechanism (4) includes
The body of rod (41) in lathe spindle and the power device (42) for driving the body of rod (41) axial action, the first connecting rod
(22) lower end is to be flexibly connected with the body of rod (41).
3. a kind of according to claim 2 stablize durable turning attachment, it is characterised in that: the power device (42) includes
The second cylinder block (4201) on lathe spindle (1), the piston rod (4202) in the second cylinder block (4201), it is described
Second cylinder block (4201) is to be fixedly and coaxially connected with lathe spindle (1), and the lower end and the body of rod (41) of piston rod (4202) are same
Axis is fixedly connected.
4. a kind of according to claim 3 stablize durable turning attachment, it is characterised in that: the one of the lathe spindle (1)
End is equipped with ring flange (11), and the second cylinder block (4201) is fixed by bolts on ring flange (11).
5. a kind of according to claim 4 stablize durable turning attachment, it is characterised in that: the first cylinder block (5) packet
The inner cylinder body (52) for including outer cylinder body (51), being set in outer cylinder body (51), second cylinder block (4201) pass through bolt and inner casing
Body (52) is fixedly and coaxially connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810191101.XA CN108214048B (en) | 2018-03-08 | 2018-03-08 | It is a kind of to stablize durable turning attachment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810191101.XA CN108214048B (en) | 2018-03-08 | 2018-03-08 | It is a kind of to stablize durable turning attachment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108214048A CN108214048A (en) | 2018-06-29 |
| CN108214048B true CN108214048B (en) | 2019-06-25 |
Family
ID=62667107
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810191101.XA Expired - Fee Related CN108214048B (en) | 2018-03-08 | 2018-03-08 | It is a kind of to stablize durable turning attachment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108214048B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110566548A (en) * | 2019-10-09 | 2019-12-13 | 江苏金鹤新材料有限公司 | Buckle is used in equipment of air conditioner air outlet blade dead lever |
| CN113352132A (en) * | 2021-07-13 | 2021-09-07 | 王国英 | Lathe clamping tool suitable for solid cylinder |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3137149A1 (en) * | 1981-09-18 | 1983-04-14 | SMW Schneider & Weißhaupt GmbH, 7996 Meckenbeuren | Steady rest with two or more holding members acting on a workpiece to be clamped |
| US4463635A (en) * | 1980-12-18 | 1984-08-07 | Index-Werke Komm.-Ges. Hahn & Tessky | Steady for holding rod-like circular cross-section components |
| CN102806481A (en) * | 2011-05-30 | 2012-12-05 | 鹿丙稳 | Positioning clamping device for workpiece |
| CN106393090A (en) * | 2016-10-24 | 2017-02-15 | 周末 | Clamping device based on connecting rod transmission mechanism |
| CN107009174A (en) * | 2017-05-11 | 2017-08-04 | 北京圣非凡电子系统技术开发有限公司 | Frock clamping device and frock apparatus for fastening |
| CN107127610A (en) * | 2017-06-07 | 2017-09-05 | 王燕飞 | A kind of self-alignment cramping arrangement of workpiece inner periphery |
| CN108044388A (en) * | 2018-01-30 | 2018-05-18 | 杭州乐守科技有限公司 | It is a kind of to stablize durable Pneumatic fixture for lathe |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102007029492B3 (en) * | 2007-06-26 | 2009-01-29 | Smw-Autoblok Spannsysteme Gmbh | bezel |
-
2018
- 2018-03-08 CN CN201810191101.XA patent/CN108214048B/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4463635A (en) * | 1980-12-18 | 1984-08-07 | Index-Werke Komm.-Ges. Hahn & Tessky | Steady for holding rod-like circular cross-section components |
| DE3137149A1 (en) * | 1981-09-18 | 1983-04-14 | SMW Schneider & Weißhaupt GmbH, 7996 Meckenbeuren | Steady rest with two or more holding members acting on a workpiece to be clamped |
| CN102806481A (en) * | 2011-05-30 | 2012-12-05 | 鹿丙稳 | Positioning clamping device for workpiece |
| CN106393090A (en) * | 2016-10-24 | 2017-02-15 | 周末 | Clamping device based on connecting rod transmission mechanism |
| CN107009174A (en) * | 2017-05-11 | 2017-08-04 | 北京圣非凡电子系统技术开发有限公司 | Frock clamping device and frock apparatus for fastening |
| CN107127610A (en) * | 2017-06-07 | 2017-09-05 | 王燕飞 | A kind of self-alignment cramping arrangement of workpiece inner periphery |
| CN108044388A (en) * | 2018-01-30 | 2018-05-18 | 杭州乐守科技有限公司 | It is a kind of to stablize durable Pneumatic fixture for lathe |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108214048A (en) | 2018-06-29 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108214048B (en) | It is a kind of to stablize durable turning attachment | |
| CN208644182U (en) | A kind of beveler | |
| CN201095040Y (en) | Ferrule type center frame | |
| CN205497067U (en) | Multi -functional main shaft flange modular fixture of lathe | |
| CN102744313B (en) | Automatic continuous rotating punching machine | |
| CN108515244A (en) | Plastics tapping machine | |
| CN106181173A (en) | A kind of electric fan weld jig positioner | |
| CN208662558U (en) | For processing the ringfeder device of hosiery machine syringe | |
| CN205271203U (en) | Work piece over -and -under type welding set | |
| CN111266615A (en) | Clamp | |
| CN211490288U (en) | Welding equipment is used in auto-parts production | |
| CN107983978A (en) | A kind of numerically controlled lathe air-actuated jaw | |
| CN208773095U (en) | A kind of smooth turning lathe fixture | |
| CN208262372U (en) | A kind of lathe auxiliary jig | |
| CN208483570U (en) | A kind of Pneumatic fixture for lathe | |
| CN106271355B (en) | Pipe fitting limit point shaping jig | |
| CN211967181U (en) | Bench vice for assembly | |
| CN108406395A (en) | A kind of smooth turning lathe fixture | |
| CN108044388A (en) | It is a kind of to stablize durable Pneumatic fixture for lathe | |
| CN107792636A (en) | A kind of cylinder switching mechanism | |
| US1618358A (en) | Combined lathe and drill | |
| CN209578930U (en) | A kind of novel lathe full-automatic spin rotary device | |
| CN207480286U (en) | A kind of granite trimmer | |
| CN209007160U (en) | Dentistry Angled abutment processing oval eccentric collet | |
| CN202715705U (en) | Stamping jig for machining six side-holes of airflow guide tube of blasting machine |
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 | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20190507 Address after: 528225 No. 9 Shishan Avenue, Zone C, Shishan Science and Technology Industrial Park, Shishan Town, Nanhai District, Foshan City, Guangdong Province Applicant after: Foshan Nanhai Yitai Hardware Factory Address before: 310051 No. 11 Jugong Road, Xixing Street, Binjiang District, Hangzhou City, Zhejiang Province Applicant before: Hangzhou Music Technology Co., Ltd. |
|
| TA01 | Transfer of patent application right | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190625 Termination date: 20200308 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |