CN110788804A - Bolt and nut perforation butt joint device - Google Patents
Bolt and nut perforation butt joint device Download PDFInfo
- Publication number
- CN110788804A CN110788804A CN201911186936.7A CN201911186936A CN110788804A CN 110788804 A CN110788804 A CN 110788804A CN 201911186936 A CN201911186936 A CN 201911186936A CN 110788804 A CN110788804 A CN 110788804A
- Authority
- CN
- China
- Prior art keywords
- nut
- bolt
- rod
- spring
- joint device
- 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
Links
- 210000001503 joint Anatomy 0.000 title claims abstract description 9
- 230000007246 mechanism Effects 0.000 claims abstract description 29
- 230000009467 reduction Effects 0.000 claims description 10
- 238000009434 installation Methods 0.000 claims 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 abstract description 12
- 229910052802 copper Inorganic materials 0.000 abstract description 12
- 239000010949 copper Substances 0.000 abstract description 12
- 230000009471 action Effects 0.000 description 5
- 238000005034 decoration Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004870 electrical engineering Methods 0.000 description 1
- 239000012634 fragment Substances 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B27/00—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for
- B25B27/14—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for assembling objects other than by press fit or detaching same
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Jigs For Machine Tools (AREA)
Abstract
The invention relates to a butt-joint device, in particular to a bolt and nut perforation butt-joint device. The invention aims to design a bolt and nut perforation butt joint device which can automatically rotate a nut, has high working efficiency and is simple to operate. A bolt and nut perforation butt joint device comprises a lower pressure rod, a mounting frame, a reset mechanism and the like; a reset mechanism is arranged between the lower pressure rod and the mounting rack. According to the invention, the nut can be driven to rotate clockwise by the rotating mechanism, the bolt can be driven to move upwards by the resetting mechanism, so that the nut can be screwed on the bolt, the two copper wiring boards are fixed together, and the nut can be automatically rotated, so that the working efficiency can be improved, the operation is simple, the positioning component can play a positioning role, and the nut can be accurately screwed on the bolt.
Description
Technical Field
The invention relates to a butt-joint device, in particular to a bolt and nut perforation butt-joint device.
Background
The screw rod is a cylinder with a spiral groove cut on the outer surface or a cone with a conical spiral groove cut on the outer surface, has the characteristics of high temperature resistance, wear resistance, high strength and the like, and in the electrical engineering industry, the bolt is usually matched with a nut for use, the nut is screwed on the bolt, and the two copper wiring boards are fixed together.
At present, generally, the staff is manual to insert the bolt on the copper wiring board, then on manual with the nut revolve the bolt, the speed that the staff manually rotated the nut is slower, work efficiency is low, in addition, when the space is comparatively narrow, the staff operation is very inconvenient.
Therefore, it is necessary to develop a device capable of automatically rotating the nut, with high working efficiency and simple operation.
Disclosure of Invention
In order to overcome the defects that the speed of manually rotating the nut by a worker is slow, the working efficiency is low, and in addition, when the space is narrow, the worker is very inconvenient to operate, the technical problem of the invention is as follows: the bolt and nut perforation butt joint device can automatically rotate nuts, is high in working efficiency and is easy to operate.
The technical implementation scheme of the invention is as follows: the utility model provides a bolt and nut perforation butt joint ware, is equipped with canceling release mechanical system between depression bar and the mounting bracket including depression bar, mounting bracket, canceling release mechanical system and slewing mechanism down, is equipped with slewing mechanism on the mounting bracket, and slewing mechanism is used for driving the nut and rotates, is equipped with fixed subassembly on the depression bar, and fixed subassembly is used for fixing bolt, and canceling release mechanical system is used for making fixed subassembly to reset.
In a preferred embodiment of the present invention, the reset mechanism includes a first hinge rod, a second hinge rod and a resilient plate, at least two second hinge rods are rotatably connected to the lower press rod toward one side of the mounting frame, at least two first hinge rods are rotatably connected to the mounting frame toward one side of the lower press rod, the first hinge rods are hinged to the second hinge rods, and the resilient plate is connected between the first hinge rods and the second hinge rods.
In a preferred embodiment of the invention, the rotating mechanism comprises a speed reducing motor, a gear ring, an annular slide block, an annular slide rail and a matching sleeve, the speed reducing motor and the annular slide block are mounted on the left side of the mounting frame, the annular slide block is located below the speed reducing motor, the gear is mounted on an output shaft of the speed reducing motor, the annular slide rail is slidably arranged on the annular slide block, the matching sleeve is fixedly connected to the inner side of the annular slide rail, the gear ring is mounted outside the annular slide rail, and the gear ring is meshed with the.
In a preferred embodiment of the present invention, the fixing assembly comprises a fixing frame and a magnet, the fixing frame is connected to the end of the lower pressing rod, and the magnet is embedded in the fixing frame.
In a preferred embodiment of the invention, the positioning device further comprises a positioning assembly, the positioning assembly comprises a guide sleeve, a guide rod, a first spring and a round block, the guide sleeve is installed on the left side of the mounting frame and is located above the speed reducing motor, the guide rod is arranged in the guide sleeve in a sliding mode, the round block is connected to the end portion of the guide rod, the first spring is connected between the round block and the guide sleeve, and the first spring is wound on the guide rod.
In a preferred embodiment of the invention, the device further comprises a limiting assembly, the limiting assembly comprises a swinging rod and a second spring, the swinging rod is rotatably connected to one side of the mounting frame perpendicular to the guide sleeve, the swinging rod is in contact with the guide rod, and the second spring is connected between the swinging rod and the mounting frame.
In a preferred embodiment of the invention, the nut clamping device further comprises a clamping assembly, the clamping assembly comprises an arc-shaped plate and a third spring, a sliding groove is formed in the inner side of the matching sleeve, the arc-shaped plate for clamping the nut is arranged in the sliding groove, and the third spring is connected between the arc-shaped plate and the inner wall of the sliding groove.
Has the advantages that:
1. the rotating mechanism can drive the nut to rotate clockwise, the reset mechanism can drive the bolt to move upwards, the nut can be screwed on the bolt, the two copper wiring boards are fixed together, and therefore the nut can be rotated automatically, work efficiency can be improved, and operation is simple.
2. The positioning assembly can play a positioning role, so that the nut can be accurately screwed on the bolt.
3. The limiting assembly can be used for supporting the guide rod, so that the guide rod cannot move downwards, a worker does not need to pull the guide rod and place the nut into the matching sleeve, and operation is simpler.
4. The clamping assembly can press the nut, so that the nut can be prevented from tilting.
Drawings
Fig. 1 is a schematic front view of the present invention.
Fig. 2 is an enlarged schematic view of part a of the present invention.
Fig. 3 is an enlarged schematic view of part B of the present invention.
Fig. 4 is an enlarged schematic view of the part C of the present invention.
The parts are labeled as follows: 1 … push-down rod, 2 … mounting bracket, 3 … resetting mechanism, 31 … first hinge rod, 32 … second hinge rod, 33 … shrapnel, 4 … rotating mechanism, 41 … speed reducing motor, 42 … gear, 43 … ring gear, 44 … annular sliding block, 45 … annular sliding rail, 46 … matching sleeve, 6 … copper wiring board, 7 … fixing component, 71 … fixing frame, 72 … magnet, 9 … positioning component, 91 … guiding sleeve, 92 … guiding rod, 93 … first spring, 94 … round block, 10 … limiting component, 101 … swinging rod, 102 … second spring, 11 … clamping component, 111 … sliding groove, 112 … arc plate and 113 … third spring.
Detailed Description
The invention is described in further detail below with reference to the drawings and the detailed description, but the invention is not limited to the scope of protection and application.
First embodiment
The utility model provides a bolt and nut is perforated butting ware, as shown in figure 1, including depression bar 1, mounting bracket 2, canceling release mechanical system 3 and slewing mechanism 4 down, be equipped with canceling release mechanical system 3 between depression bar 1 and the mounting bracket 2 down, be equipped with slewing mechanism 4 on the mounting bracket 2, slewing mechanism 4 is used for driving the nut and rotates, is equipped with fixed subassembly 7 on the depression bar 1 down, and fixed subassembly 7 is used for fixing bolt, and canceling release mechanical system 3 is used for making fixed subassembly 7 reset.
The staff places the bolt on fixed subassembly 7, then put slewing mechanism 4 on copper wiring board 6, put the nut in slewing mechanism 4 again, the staff can control 4 works of slewing mechanism, slewing mechanism 4 drives the nut clockwise rotation, then control canceling release mechanical system 3 drives fixed subassembly 7 and upwards removes, thereby drive the bolt rebound, make the nut can revolve on the bolt, fix two copper wiring boards 6 together, so, can rotate the nut automatically, thereby can improve work efficiency, and easy operation. After the fixing is completed, the worker closes the rotating mechanism 4, and then controls the resetting mechanism 3 to drive the fixing component 7 to move downwards for resetting.
As shown in fig. 1, the resetting mechanism 3 includes a first hinge rod 31, a second hinge rod 32 and a spring plate 33, the top of the lower pressing rod 1 is rotatably connected with the two second hinge rods 32, the bottom of the mounting frame 2 is rotatably connected with the two first hinge rods 31, the first hinge rod 31 is hinged with the second hinge rod 32, and the spring plate 33 is connected between the first hinge rod 31 and the second hinge rod 32.
The staff upwards stimulates depression bar 1 down, and first articulated arm 31 and second articulated arm 32 are the swing inwards, and shell fragment 33 is extruded, and depression bar 1 rebound still can drive fixed subassembly 7 rebound down to drive bolt rebound, make the nut can revolve on the bolt, fix two copper wiring board 6 together. After the fixing is completed, the worker releases the lower pressing rod 1, and under the action of the elastic sheet 33, the first hinge rod 31 and the second hinge rod 32 swing outwards, so that the lower pressing rod 1 is driven to move downwards, and the fixing component 7 moves downwards along with the lower pressing rod.
As shown in fig. 1, fig. 2 and fig. 3, the rotating mechanism 4 includes a speed reduction motor 41, a gear 42, a gear ring 43, an annular slider 44, an annular slide rail 45 and a matching sleeve 46, the speed reduction motor 41 and the annular slider 44 are installed on the left side of the mounting frame 2, the annular slider 44 is located below the speed reduction motor 41, the gear 42 is installed on an output shaft of the speed reduction motor 41, the annular slide rail 45 is slidably installed on the annular slider 44, the matching sleeve 46 is fixedly connected to the inner side of the annular slide rail 45, the shape of an inner hole of the matching sleeve 46 is a regular hexagon, the gear ring 43 is installed outside the annular slide rail 45, and the gear ring.
The staff puts cooperation cover 46 on copper wiring board 6, then put the nut in cooperation cover 46, control gear motor 41 anticlockwise rotation again, gear motor 41 drives gear 42 anticlockwise rotation, thereby drive ring gear 43 clockwise rotation, drive cooperation cover 46 clockwise rotation through annular slide rail 45, and then drive the nut and rotate, the staff upwards stimulates depression bar 1 again, drive bolt rebound, make the nut can revolve on the bolt, fix two copper wiring boards 6 together. After the fixation, the worker turns off the reduction motor 41 and then releases the push-down lever 1.
As shown in fig. 1 and 4, the fixing assembly 7 includes a fixing frame 71 and a magnet 72, the fixing frame 71 is connected to the left end of the lower pressing rod 1, the fixing frame 71 is regular hexagonal, and the magnet 72 is embedded in the bottom of the fixing frame 71.
The staff puts the bolt in fixed frame 71, and magnet 72 can catch the bolt, prevents that the bolt from dropping, and the staff upwards stimulates depression bar 1 again, and depression bar 1 drives fixed frame 71 rebound down to drive the bolt rebound, make the nut can revolve on the bolt, be in the same place two copper wiring board 6 are fixed.
Second embodiment
On the basis of the first embodiment, as shown in fig. 2, the positioning device 9 is further included, the positioning device 9 includes a guide sleeve 91, a guide rod 92, a first spring 93 and a round block 94, the guide sleeve 91 is installed on the left side of the mounting frame 2, the guide sleeve 91 is located above the speed reduction motor 41, the guide rod 92 is slidably arranged in the guide sleeve 91, the round block 94 is connected to the bottom end of the guide rod 92, the first spring 93 is connected between the round block 94 and the guide sleeve 91, and the first spring 93 is wound on the guide rod 92.
The staff will pull guide 92 upwards, and guide 92 drives circular block 94 and upwards moves, and first spring 93 is compressed, then puts cooperation cover 46 on copper wiring board 6, puts the nut into cooperation cover 46 again, then loosens guide 92 again, and under the effect of first spring 93, circular block 94 moves down and inserts in the nut, so, can play the positioning action for the nut can be accurate revolve on the bolt.
As shown in fig. 2, the device further comprises a limiting assembly 10, the limiting assembly 10 comprises a swing rod 101 and a second spring 102, the swing rod 101 is rotatably connected to the front side of the mounting frame 2, the swing rod 101 is in contact with the guide rod 92, and the second spring 102 is connected between the swing rod 101 and the mounting frame 2.
When the guide rod 92 moves upwards to cross the swing rod 101, the swing rod 101 swings leftwards to push the guide rod 92 against under the action of the second spring 102, so that the guide rod 92 cannot move downwards, and the worker does not need to pull the guide rod 92 and place the nut into the matching sleeve 46 at the same time, and the operation is simpler. After the worker puts the nut into the fitting sleeve 46, the worker shifts the swing lever 101 to the right so that the swing lever 101 is not in contact with the guide rod 92, the guide rod 92 moves downward under the action of the first spring 93, the circular block 94 moves downward to be inserted into the nut, and then the worker releases the swing lever 101 and swings the swing lever 101 to the left under the action of the second spring 102.
As shown in fig. 3, the nut locking device further comprises a locking assembly 11, the locking assembly 11 comprises an arc-shaped plate 112 and a third spring 113, sliding grooves 111 are formed in the left side and the right side of the matching sleeve 46, the arc-shaped plates 112 for clamping nuts are arranged in the two sliding grooves 111, and the third spring 113 is connected between the arc-shaped plate 112 and the inner wall of the sliding groove 111.
The staff puts into the nut and fits in the cover 46, and the nut extrudees arc 112, and arc 112 outwards moves, and third spring 113 is compressed for arc 112 can push down the nut, thereby can avoid the nut slope.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (7)
1. The utility model provides a bolt and nut perforation butt joint ware, is including depression bar down, its characterized in that, still including mounting bracket, canceling release mechanical system and slewing mechanism, is equipped with canceling release mechanical system between depression bar and the mounting bracket down, is equipped with slewing mechanism on the mounting bracket, and slewing mechanism is used for driving the nut and rotates, is equipped with fixed subassembly on the depression bar down, and fixed subassembly is used for fixing bolt, and canceling release mechanical system is used for making fixed subassembly reset.
2. The bolt and nut perforation butt joint device according to claim 1, characterized in that the resetting mechanism comprises a first hinge rod, a second hinge rod and a spring piece, wherein the lower press rod is rotatably connected with at least two second hinge rods towards one side of the mounting frame, the mounting frame is rotatably connected with at least two first hinge rods towards one side of the lower press rod, the first hinge rods are hinged with the second hinge rods, and the spring piece is connected between the first hinge rods and the second hinge rods.
3. The bolt and nut perforation butt joint device according to claim 2, wherein the rotating mechanism comprises a speed reduction motor, a gear ring, an annular sliding block, an annular sliding rail and a matching sleeve, the speed reduction motor and the annular sliding block are installed on the left side of the installation frame, the annular sliding block is located below the speed reduction motor, the gear is installed on an output shaft of the speed reduction motor, the annular sliding block is provided with the annular sliding rail in a sliding manner, the matching sleeve is fixedly connected to the inner side of the annular sliding rail, the gear ring is installed outside the annular sliding rail, and the gear ring is meshed with the gear.
4. The bolt and nut piercing butt connector according to claim 3, wherein the fixing member includes a fixing frame and a magnet, the fixing frame is connected to an end of the lower pressing rod, and the magnet is embedded in the fixing frame.
5. The bolt and nut perforating butt-joint device according to claim 4, characterized by further comprising a positioning assembly, wherein the positioning assembly comprises a guide sleeve, a guide rod, a first spring and a round block, the guide sleeve is mounted on the left side of the mounting frame and is located above the speed reducing motor, the guide rod is arranged in the guide sleeve in a sliding mode, the round block is connected to the end portion of the guide rod, the first spring is connected between the round block and the guide sleeve, and the first spring is wound on the guide rod.
6. The bolt and nut perforating butt-joint device according to claim 5, characterized in that the device further comprises a limiting component, the limiting component comprises a swinging rod and a second spring, the swinging rod is rotatably connected to one side of the mounting frame, which is perpendicular to the guide sleeve, the swinging rod is contacted with the guide rod, and the second spring is connected between the swinging rod and the mounting frame.
7. The bolt and nut perforating butt-joint device according to claim 6, characterized by further comprising a clamping assembly, wherein the clamping assembly comprises an arc-shaped plate and a third spring, a sliding groove is formed in the inner side of the matching sleeve, the arc-shaped plate for clamping the nut is arranged in the sliding groove, and the third spring is connected between the arc-shaped plate and the inner wall of the sliding groove.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201911186936.7A CN110788804B (en) | 2019-11-28 | 2019-11-28 | Bolt and nut perforation butt joint device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201911186936.7A CN110788804B (en) | 2019-11-28 | 2019-11-28 | Bolt and nut perforation butt joint device |
Publications (2)
Publication Number | Publication Date |
---|---|
CN110788804A true CN110788804A (en) | 2020-02-14 |
CN110788804B CN110788804B (en) | 2021-06-04 |
Family
ID=69446561
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201911186936.7A Active CN110788804B (en) | 2019-11-28 | 2019-11-28 | Bolt and nut perforation butt joint device |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN110788804B (en) |
Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB190906155A (en) * | 1909-03-15 | 1910-01-13 | Richard Nolte | Improvements in and relating to Wrenches. |
DE1603713A1 (en) * | 1966-04-02 | 1970-10-22 | Helmut Brunner | Combination wrench for screwing and loosening the screw-nut connections on dome covers of underground tanks |
DE102008048076A1 (en) * | 2008-09-19 | 2009-05-20 | Daimler Ag | Screwing tool for use during mass production of motor vehicle, has drive rotatably driving screwing element, and counter holder element pivotable pre-determined and/or adjustable limitation torque relative to tool |
CN203426958U (en) * | 2013-06-28 | 2014-02-12 | 叶英豪 | Auxiliary frame for butt joint of bolt pairs in narrow space |
CN104260053A (en) * | 2014-09-03 | 2015-01-07 | 国家电网公司 | Horizontal screw charged fastening tool of transformer substation device |
CN208409755U (en) * | 2018-07-03 | 2019-01-22 | 四川讴神机械制造有限公司 | A kind of bolt, which is quickly pacified, tears tool open |
CN208496893U (en) * | 2018-07-06 | 2019-02-15 | 深圳市永顺五金制品有限公司 | Bolt and nut dismantling device |
CN209050689U (en) * | 2018-10-29 | 2019-07-02 | 中石化石油工程技术服务有限公司 | Device is moved back in the rotation of hand large size screw bolt |
CN209453490U (en) * | 2019-01-28 | 2019-10-01 | 安徽中烟工业有限责任公司 | A kind of deduster mounting plate bolt disassembly tool |
-
2019
- 2019-11-28 CN CN201911186936.7A patent/CN110788804B/en active Active
Patent Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB190906155A (en) * | 1909-03-15 | 1910-01-13 | Richard Nolte | Improvements in and relating to Wrenches. |
DE1603713A1 (en) * | 1966-04-02 | 1970-10-22 | Helmut Brunner | Combination wrench for screwing and loosening the screw-nut connections on dome covers of underground tanks |
DE102008048076A1 (en) * | 2008-09-19 | 2009-05-20 | Daimler Ag | Screwing tool for use during mass production of motor vehicle, has drive rotatably driving screwing element, and counter holder element pivotable pre-determined and/or adjustable limitation torque relative to tool |
CN203426958U (en) * | 2013-06-28 | 2014-02-12 | 叶英豪 | Auxiliary frame for butt joint of bolt pairs in narrow space |
CN104260053A (en) * | 2014-09-03 | 2015-01-07 | 国家电网公司 | Horizontal screw charged fastening tool of transformer substation device |
CN208409755U (en) * | 2018-07-03 | 2019-01-22 | 四川讴神机械制造有限公司 | A kind of bolt, which is quickly pacified, tears tool open |
CN208496893U (en) * | 2018-07-06 | 2019-02-15 | 深圳市永顺五金制品有限公司 | Bolt and nut dismantling device |
CN209050689U (en) * | 2018-10-29 | 2019-07-02 | 中石化石油工程技术服务有限公司 | Device is moved back in the rotation of hand large size screw bolt |
CN209453490U (en) * | 2019-01-28 | 2019-10-01 | 安徽中烟工业有限责任公司 | A kind of deduster mounting plate bolt disassembly tool |
Also Published As
Publication number | Publication date |
---|---|
CN110788804B (en) | 2021-06-04 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN204942514U (en) | A kind of knob gearshift | |
CN204331267U (en) | Multifunctional projector frame | |
CN103658261A (en) | Multifunctional circle rolling machine | |
CN110788804B (en) | Bolt and nut perforation butt joint device | |
CN109332762B (en) | Electric drill fixing support | |
CN211333637U (en) | Composite solid wood door cutting device with dust removal assembly | |
CN202984812U (en) | Device for rapidly clamping saw blades of reciprocating saw | |
CN204189736U (en) | Breaker energy storage device | |
CN208663108U (en) | A kind of numerical control cutting machine changeable type cutting tool device | |
CN207527104U (en) | Valve actuator manual switching device | |
CN214708462U (en) | Power electronic component convenient to heat dissipation | |
CN110561345B (en) | Bolt and nut screwing device for fixing plates | |
CN108591918A (en) | A kind of street lamp that energy-saving protective is strong | |
CN114142264A (en) | Transformer substation full-adaptive grounding wire conductor end chuck and working method thereof | |
CN108971871B (en) | Welding auxiliary tool | |
CN221448496U (en) | Wireless AP equipment convenient to dismouting | |
CN203305112U (en) | Fast-assembly clamping mechanism for bearings | |
CN107546893B (en) | Single-side riveting structure of stainless steel sleeve | |
CN221900669U (en) | Limit structure of motor rotation shaft | |
CN218461117U (en) | Electric element welding equipment for processing circuit board | |
CN221773933U (en) | Positioning device for metal cutting | |
CN204029627U (en) | A kind of knob emergency brake-dividing device | |
CN208601652U (en) | A kind of hand punch | |
CN204966386U (en) | Indoor high -voltage vacuum circuit breaker's manual energy storage equipment | |
CN210684641U (en) | Garbage fishing spoon for water engineering |
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: 20210514 Address after: Community 4, Hailong village, Baishiyi Town, Jiulongpo District, Chongqing Applicant after: Chongqing lizhan Standard Parts Co.,Ltd. Address before: Part B, first floor, No.39 factory building, plot f12-2, pilot Free Trade Zone, Pudong New Area, Shanghai, 200120 Applicant before: Zhuang Zhentao |
|
TA01 | Transfer of patent application right | ||
GR01 | Patent grant | ||
GR01 | Patent grant |