CN109317734B - Universal floating polishing head and equipment - Google Patents
Universal floating polishing head and equipment Download PDFInfo
- Publication number
- CN109317734B CN109317734B CN201811386800.6A CN201811386800A CN109317734B CN 109317734 B CN109317734 B CN 109317734B CN 201811386800 A CN201811386800 A CN 201811386800A CN 109317734 B CN109317734 B CN 109317734B
- Authority
- CN
- China
- Prior art keywords
- opening
- shaft sleeve
- closing shaft
- rear end
- pneumatic
- 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
Links
- 238000005498 polishing Methods 0.000 title claims abstract description 58
- 238000000227 grinding Methods 0.000 claims abstract description 21
- 238000005461 lubrication Methods 0.000 claims description 8
- 238000003801 milling Methods 0.000 claims description 7
- 230000000694 effects Effects 0.000 abstract description 9
- 238000001514 detection method Methods 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 239000004519 grease Substances 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 239000000314 lubricant Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23C—MILLING
- B23C3/00—Milling particular work; Special milling operations; Machines therefor
-
- 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
- B23Q11/00—Accessories fitted to machine tools for keeping tools or parts of the machine in good working condition or for cooling work; Safety devices specially combined with or arranged in, or specially adapted for use in connection with, machine tools
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25J—MANIPULATORS; CHAMBERS PROVIDED WITH MANIPULATION DEVICES
- B25J11/00—Manipulators not otherwise provided for
- B25J11/005—Manipulators for mechanical processing tasks
- B25J11/006—Deburring or trimming
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25J—MANIPULATORS; CHAMBERS PROVIDED WITH MANIPULATION DEVICES
- B25J15/00—Gripping heads and other end effectors
- B25J15/0019—End effectors other than grippers
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Robotics (AREA)
- Grinding And Polishing Of Tertiary Curved Surfaces And Surfaces With Complex Shapes (AREA)
- Constituent Portions Of Griding Lathes, Driving, Sensing And Control (AREA)
Abstract
The invention discloses a universal floating polishing head and equipment. The rear end of the opening and closing shaft sleeve is connected with the rear end cover, the rear end of the pneumatic grinding machine is inserted into the opening and closing shaft sleeve, the opening and closing shaft sleeve comprises at least one arc-shaped block which can be separated from each other, and the arc-shaped blocks are assembled along the circumferential direction to form the cylindrical opening and closing shaft sleeve. The front end of the knuckle bearing, which is close to the pneumatic polisher, is sleeved on the pneumatic polisher. The universal floating polishing head and the universal floating polishing device replace the traditional manual polishing mode, are suitable for automatic polishing of products to be polished, and have good polishing effect.
Description
Technical Field
The invention relates to the technical field of polishing equipment, in particular to a universal floating polishing head and equipment.
Background
An automobile threshold plate is provided as a structure of an automobile body at a position immediately below a door. In the production process of the automobile threshold plate, deburring and polishing are required to be carried out on the end part of the automobile threshold plate. Aiming at polishing of an automobile threshold plate, a manual polishing mode is adopted in the traditional process, dust is generated during polishing, and a worker can damage the body of the automobile threshold plate after contacting the dust in a short distance for a long time; the consistency of polishing at every time is difficult to guarantee by manual polishing, so that the polishing effect is poor. Therefore, it is necessary to develop and design a new polishing device which has good polishing effect and can be suitable for automatic production to replace manual polishing.
Disclosure of Invention
In view of the above, the present invention aims to provide a universal floating polishing head and a device.
In order to achieve the above purpose, the present invention provides the following technical solutions:
the invention relates to a universal floating polishing head which comprises a rear end cover, a pneumatic polishing machine, an opening and closing shaft sleeve and a knuckle bearing, wherein the rear end cover is provided with a bearing seat; the rear end of the opening and closing shaft sleeve is connected with the rear end cover, the rear end of the pneumatic grinding machine is inserted into the opening and closing shaft sleeve, the opening and closing shaft sleeve comprises at least one arc-shaped block which can be separated from each other, and the arc-shaped blocks are assembled in the circumferential direction to form a cylindrical opening and closing shaft sleeve; the front end of the knuckle bearing, which is close to the pneumatic polisher, is sleeved on the pneumatic polisher.
Further, at least one elastic O-shaped ring is sleeved on the outer surface of the opening and closing shaft sleeve.
Further, a plurality of concave annular grooves are arranged on the outer surface of the opening and closing shaft sleeve along the circumferential direction, and the O-shaped ring is sleeved in the annular grooves.
Further, the pneumatic grinding machine also comprises a grinding machine sheath, wherein the grinding machine sheath is positioned between the opening and closing shaft sleeve, the joint bearing and the pneumatic grinding machine; the outer surface of the grinding machine sheath is respectively in contact fit with the opening and closing shaft sleeve and the inner wall of the joint bearing; the pneumatic polisher is inserted in the polisher sheath and is in limit fit with the inner wall of the polisher sheath.
Further, the rear end cover comprises a connecting disc and a connecting shaft, the connecting shaft is inserted into the rear end of the opening and closing shaft sleeve after protruding forwards from the middle part of the connecting disc, and the outer surface of the connecting shaft is in contact fit with the inner wall of the rear end of the opening and closing shaft sleeve.
Further, a plurality of concave lubrication grooves are circumferentially arranged on the outer surface of the connecting shaft, which is in contact fit with the inner wall of the rear end of the opening and closing shaft sleeve.
Further, a plurality of concave lubrication grooves are also arranged on the outer surface of the contact fit between the grinding machine sheath and the inner wall of the opening and closing shaft sleeve along the circumferential direction.
Further, the milling cutter, the nut and the shell are also included; the milling cutter is arranged at the outer end part of the pneumatic grinding machine, and the nut is arranged at the front end of the grinding machine sheath through the thread connecting sleeve and is in limit fit with the knuckle bearing; the opening and closing shaft sleeve and the knuckle bearing are accommodated in the housing.
The invention also provides equipment comprising the universal floating polishing head.
Further, the equipment also comprises an electric cabinet, a servo cutter, a servo lifting roller line, a first robot, a second robot and a belt conveying line which are sequentially arranged; the universal floating polishing head is arranged at the upper end part of the first robot.
The invention has the beneficial effects that: the universal floating polishing head and the equipment replace the traditional manual polishing mode, are suitable for automatic polishing of products to be polished, and have good polishing effect.
Drawings
In order to make the objects, technical solutions and advantageous effects of the present invention more clear, the present invention provides the following drawings for description:
FIG. 1 is a cross-sectional view of a universal floating sanding head in accordance with the present invention.
FIG. 2 is a perspective view of a universal floating sanding head of the present invention with the housing and O-ring removed.
Fig. 3 is a perspective view of an apparatus of the present invention having a gimbaled floating sanding head.
In the figure, A is a universal floating polishing head, 1 is a rear end cover, 2 is a pneumatic polishing machine, 3 is an opening and closing shaft sleeve, 4 is a joint bearing, 5 is an O-shaped ring, 6 is a polishing machine sheath, 7 is a connecting disc, 8 is a connecting shaft, 9 is a lubrication groove, 10 is a milling cutter, 11 is a nut, 12 is a shell, 13 is an electric cabinet, 14 is a servo cutting machine, 15 is a servo lifting roller line, 16 is a roller line, 17 is a threshold plate clamp, 18 is a first robot, 19 is a second robot, 20 is a belt conveying line, and 21 is a base.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and specific examples, which are not intended to limit the invention, so that those skilled in the art may better understand the invention and practice it. In the present embodiment, the front end is the right side in the drawing, and the rear end is the opposite direction of the front end.
As shown in fig. 1 and 2, the universal floating polishing head of the present invention comprises a rear end cover 1, a pneumatic polishing machine 2, an opening and closing shaft sleeve 3 and a knuckle bearing 4. The rear end of the opening and closing shaft sleeve 3 is connected with the rear end cover 1, and the polishing head can be integrally installed on the robot through the rear end cover 1 and automatically polished by moving the polishing head to a designated position through the robot. The rear end of the pneumatic polisher 2 is inserted into an opening and closing shaft sleeve 3, and the opening and closing shaft sleeve 3 comprises at least one arc-shaped block which can be separated from each other, and the arc-shaped blocks are assembled in the circumferential direction to form a cylindrical opening and closing shaft sleeve 3. The knuckle bearing 4 is sleeved on the pneumatic polisher 2 near the front end of the pneumatic polisher 2.
Through the brand new design of above-mentioned structure, when polishing, pneumatic polisher 2 can realize stepless rotation in certain angle range, plays the effect of universal floating polishing. When the front end of the pneumatic polisher 2 is stressed in contact with a workpiece to be polished, for example, the front end of the pneumatic polisher 2 is stressed downwards, the rear end of the pneumatic polisher 2 can float to yield, and damage to a polishing head caused by hard contact is avoided. Namely, when the front end of the pneumatic polisher 2 is stressed, the rear end of the pneumatic polisher 2 generates resisting force with the opening and closing shaft sleeve 3 along the reverse direction of the front end stress. At this time, due to the special structural design of the opening and closing shaft sleeve 3 and the cooperation of the opening and closing shaft sleeve and the joint bearing 4, namely, the front end of the pneumatic polisher 2 is spliced by a plurality of detachable arc blocks, when the front end of the pneumatic polisher 2 is subjected to force in a certain direction due to polishing, the rear end of the pneumatic polisher 2 can slightly tilt and jack up a certain arc block of the closing shaft sleeve to give way, so that the consistency of polishing effect is ensured.
At least one elastic O-shaped ring 5 is sleeved on the outer surface of the opening and closing shaft sleeve 3, so that the position automatically resets to the initial state when the front end of the pneumatic polisher 2 is not stressed.
In the present embodiment, a plurality of recessed annular grooves are provided on the outer surface of the opening/closing sleeve 3 in the circumferential direction, and the O-ring 5 is fitted in the annular grooves.
The universal floating polishing head further comprises a polishing machine sheath 6, and the polishing machine sheath 6 is positioned between the opening and closing shaft sleeve 3, the knuckle bearing 4 and the pneumatic polishing machine 2. The outer surface of the grinding machine sheath 6 is respectively in contact fit with the inner walls of the opening and closing shaft sleeve 3 and the knuckle bearing 4, and is limited by a stepped boss arranged on the outer surface of the grinding machine sheath 6. The pneumatic sander 2 is inserted in the sander sheath 6 and is in limit fit with the inner wall of the sander sheath 6, the limiting boss is arranged on the inner wall of the sander sheath 6 to limit the pneumatic sander, a plurality of locking screws are further arranged on the sander sheath 6 along the radial direction, and the end parts of the locking screws are nailed on the outer surface of the pneumatic sander 2 to lock and position the pneumatic sander.
The rear end cover 1 comprises a connecting disc 7 and a connecting shaft 8, the connecting shaft 8 is inserted into the rear end of the opening and closing shaft sleeve 3 after protruding forwards from the middle part of the connecting disc 7, and the outer surface of the connecting shaft 8 is in contact fit with the inner wall of the rear end of the opening and closing shaft sleeve 3.
In this embodiment, the polisher sheath 6 inserts the switching axle sleeve 3 part and connecting axle 8 inserts the switching axle sleeve 3 part and sets up relatively inside switching axle sleeve 3, and two parts cooperate jointly, wholly produce the position deviation when pneumatic polisher 2 atress, and polisher sheath 6 rear end jack-up is a certain arc piece, makes the one end of arc piece produce certain position deviation to the radial direction, and connecting axle 8 can play the supporting role to the other end of arc piece this moment, makes the head overall structure of polishing more stable.
A plurality of concave lubrication grooves 9 are arranged on the outer surface of the connecting shaft 8 which is in contact fit with the inner wall of the rear end of the opening and closing shaft sleeve 3 along the circumferential direction.
A plurality of concave lubrication grooves 9 are also arranged on the outer surface of the grinder sheath 6 which is in contact fit with the inner wall of the opening and closing shaft sleeve 3 along the circumferential direction.
In the present embodiment, grease lubricant is placed in the lubrication groove 9.
The universal floating polishing head also comprises a milling cutter 10, a nut 11 and a shell 12; the milling cutter 10 is arranged at the outer end part of the pneumatic polisher 2, and the nut 11 is arranged at the front end of the polisher sheath 6 through a thread connecting sleeve and is in limit fit with the knuckle bearing 4; the opening/closing sleeve 3 and the knuckle bearing 4 are accommodated in the housing 12, and a detection port is further provided in the housing 12, and the position of the detection port is opposite to the O-ring 5.
The polishing head can be used for polishing various workpieces to be polished, is not only limited to the automobile threshold plate, but also applicable to other automobile parts or other parts used in industrial production.
The invention also provides equipment comprising the universal floating polishing head A, which is used for replacing the traditional manual mode to automatically deburr and polish the automobile threshold plate.
As shown in fig. 3, in the present embodiment, the apparatus further includes an electric cabinet 13 for loading various electric devices, a servo cutter 14, a servo lift roller line 15, a roller line 16, a threshold plate clamp 17, a first robot 18, a second robot 19, and a belt conveyor line 20, which are sequentially provided, and a base 21 provided at the bottom. The universal floating polishing head A is arranged at the upper end part of the first robot. Through above-mentioned equipment, can realize the automation to car threshold board polish to guarantee good effect of polishing.
The universal floating polishing head and the equipment replace the traditional manual polishing mode, are suitable for automatic polishing of products to be polished, and have good polishing effect.
The above-described embodiments are merely preferred embodiments for fully explaining the present invention, and the scope of the present invention is not limited thereto. Equivalent substitutions and modifications will occur to those skilled in the art based on the present invention, and are intended to be within the scope of the present invention. The protection scope of the invention is subject to the claims.
Claims (4)
1. The utility model provides a universal floating polishing head which characterized in that: comprises a rear end cover, a pneumatic polisher, an opening and closing shaft sleeve and a knuckle bearing;
The rear end of the opening and closing shaft sleeve is connected with the rear end cover, the rear end of the pneumatic grinding machine is inserted into the opening and closing shaft sleeve, the opening and closing shaft sleeve comprises a plurality of arc-shaped blocks which can be separated from each other, and the arc-shaped blocks are assembled along the circumferential direction to form a cylindrical opening and closing shaft sleeve; the front end of the knuckle bearing, which is close to the pneumatic polisher, is sleeved on the pneumatic polisher;
at least one elastic O-shaped ring is sleeved on the outer surface of the opening and closing shaft sleeve;
A plurality of concave annular grooves are formed in the outer surface of the opening and closing shaft sleeve along the circumferential direction, and the O-shaped ring is sleeved in the annular grooves;
the grinding machine comprises a pneumatic grinding machine, and is characterized by further comprising a grinding machine sheath, wherein the grinding machine sheath is positioned between the opening and closing shaft sleeve, the knuckle bearing and the pneumatic grinding machine; the outer surface of the grinding machine sheath is respectively in contact fit with the opening and closing shaft sleeve and the inner wall of the knuckle bearing; the pneumatic polisher is inserted into the polisher sheath and is in limit fit with the inner wall of the polisher sheath; a plurality of locking screws are arranged on the grinding machine sheath along the radial direction, and the end parts of the locking screws are nailed on the outer surface of the pneumatic grinding machine to carry out locking positioning;
the rear end cover comprises a connecting disc and a connecting shaft, the connecting shaft protrudes forwards from the middle part of the connecting disc and is inserted into the rear end of the opening and closing shaft sleeve, and the outer surface of the connecting shaft is in contact fit with the inner wall of the rear end of the opening and closing shaft sleeve;
A plurality of concave lubrication grooves are formed in the outer surface of the connecting shaft, which is in contact fit with the inner wall of the rear end of the opening and closing shaft sleeve, along the circumferential direction;
And a plurality of concave lubrication grooves are also formed in the outer surface of the contact fit between the polisher sheath and the inner wall of the opening and closing shaft sleeve along the circumferential direction.
2. The universal floating sanding head as defined in claim 1, wherein: the milling cutter, the nut and the shell are also included; the milling cutter is arranged at the outer end part of the pneumatic polisher, and the nut is arranged at the front end of the polisher sheath through a thread connecting sleeve and is in limit fit with the knuckle bearing; the opening and closing sleeve and the knuckle bearing are accommodated in the housing.
3. An apparatus, characterized in that: comprising a universal floating sanding head as defined in any one of claims 1 to 2.
4. A device according to claim 3, characterized in that: the automatic belt conveyor further comprises an electric cabinet, a servo cutter, a servo lifting roller line, a first robot, a second robot and a belt conveyor line which are sequentially arranged; the universal floating polishing head is arranged at the upper end part of the first robot.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811386800.6A CN109317734B (en) | 2018-11-20 | 2018-11-20 | Universal floating polishing head and equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811386800.6A CN109317734B (en) | 2018-11-20 | 2018-11-20 | Universal floating polishing head and equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109317734A CN109317734A (en) | 2019-02-12 |
| CN109317734B true CN109317734B (en) | 2024-07-26 |
Family
ID=65257978
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811386800.6A Active CN109317734B (en) | 2018-11-20 | 2018-11-20 | Universal floating polishing head and equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109317734B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109773654A (en) * | 2019-03-22 | 2019-05-21 | 安徽新境界自动化技术有限公司 | A kind of omni-directionally-floated polishing main shaft device |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203285994U (en) * | 2013-06-01 | 2013-11-13 | 吴百超 | Floating sealing ring |
| CN204868555U (en) * | 2015-08-05 | 2015-12-16 | 浙江瑞宏机器人有限公司 | Float head device |
| CN209157243U (en) * | 2018-11-20 | 2019-07-26 | 重庆长泰汽车零部件有限公司 | A kind of universal floating grinding head and equipment |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2869457Y (en) * | 2006-02-15 | 2007-02-14 | 何建东 | Float sealing ring |
| CN103737444B (en) * | 2013-10-29 | 2016-06-08 | 长沙长泰机器人有限公司 | A kind of universal floating polishing process |
| CN105058239B (en) * | 2015-08-05 | 2017-05-24 | 浙江瑞宏机器人有限公司 | Reciprocating floating head device |
| TWM534656U (en) * | 2016-07-15 | 2017-01-01 | Evermore Machine Co Ltd | Pneumatic floating trimming device |
| CN206010792U (en) * | 2016-09-22 | 2017-03-15 | 侯治国 | A kind of radial compliance deburring main shaft |
| CN206357058U (en) * | 2016-12-30 | 2017-07-28 | 北京配天技术有限公司 | A kind of floating sanding apparatus |
| CN107309498A (en) * | 2017-08-24 | 2017-11-03 | 南通理工智能制造技术有限公司 | Axial and radial floating integrated surface finishing execution system |
| CN207255888U (en) * | 2017-09-04 | 2018-04-20 | 刘志伟 | Float and perceive grinding head device |
| CN207309612U (en) * | 2017-09-30 | 2018-05-04 | 广州蓝圣智能科技有限公司 | The automated system that a kind of burr on wheel hub three dimensions removes |
| CN108161730B (en) * | 2018-01-16 | 2023-06-16 | 安徽工程大学 | Force feedback flexible floating polishing power head and use method thereof |
| CN108145597A (en) * | 2018-02-06 | 2018-06-12 | 湘潭大学 | A kind of pneumatic grinder head device of flexibility |
-
2018
- 2018-11-20 CN CN201811386800.6A patent/CN109317734B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203285994U (en) * | 2013-06-01 | 2013-11-13 | 吴百超 | Floating sealing ring |
| CN204868555U (en) * | 2015-08-05 | 2015-12-16 | 浙江瑞宏机器人有限公司 | Float head device |
| CN209157243U (en) * | 2018-11-20 | 2019-07-26 | 重庆长泰汽车零部件有限公司 | A kind of universal floating grinding head and equipment |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109317734A (en) | 2019-02-12 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103737444A (en) | Universal floating mechanism for polishing and polishing method | |
| CN109317734B (en) | Universal floating polishing head and equipment | |
| CN214922359U (en) | Machining center fixing device | |
| CN111633280A (en) | Six-shaft linkage type deburring machine tool for casting machining | |
| CN209664308U (en) | A kind of self-positioning clamping lathe | |
| CN208759318U (en) | A kind of radial floating quick change grinding head main shaft for deburring | |
| CN113305715A (en) | Mould burnishing device for robot | |
| CN109015359A (en) | A kind of radial floating quick change grinding head main shaft for deburring | |
| CN209157243U (en) | A kind of universal floating grinding head and equipment | |
| CN110774104A (en) | Floating polishing equipment for non-circular parts | |
| CN212169921U (en) | Pressure type flexible compliant tool for polishing and deburring | |
| CN212264752U (en) | Six-shaft linkage type deburring machine tool for casting machining | |
| CN210010833U (en) | Multi-direction floating power grinding head matched with robot for grinding burrs | |
| CN113352165A (en) | Numerical control double-side polishing and grinding machine for automatically polishing and grinding two opposite planes of tool | |
| KR101844335B1 (en) | Buffing machine | |
| CN211388001U (en) | Grinding machine with multiple grinding wheels | |
| CN110253035B (en) | Machine tool for processing inner cavity of differential housing | |
| CN210476471U (en) | Polisher with fixture | |
| CN114367854A (en) | Drawer component machining device | |
| CN113814904A (en) | Universal flexible vice for machining | |
| CN111805424A (en) | Interior location driven type polishing tool | |
| CN112847033A (en) | Stainless steel heat preservation supply tank processing robot | |
| CN221517268U (en) | Grinding table for steel ball cold heading die | |
| CN216421091U (en) | Rearmounted tailstock lathe thimble structure | |
| CN211890224U (en) | Electrode cap sharpening 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 | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20200506 Address after: 401120 Chongqing city Yubei District new North Zone Yunrui Street No. 8 Applicant after: CHONGQING MINTE AUTO PARTS Co.,Ltd. Address before: 401120 No. 108 Xingke Fourth Road, Yubei District, Chongqing Applicant before: CHONGQING CHANGTAI AUTOMOBILE COMPONENT Co.,Ltd. |
|
| GR01 | Patent grant | ||
| GR01 | Patent grant |