CN220108422U - Hanging rod type rainproof electric cabinet - Google Patents
Hanging rod type rainproof electric cabinet Download PDFInfo
- Publication number
- CN220108422U CN220108422U CN202321534976.8U CN202321534976U CN220108422U CN 220108422 U CN220108422 U CN 220108422U CN 202321534976 U CN202321534976 U CN 202321534976U CN 220108422 U CN220108422 U CN 220108422U
- Authority
- CN
- China
- Prior art keywords
- groups
- electric cabinet
- clamping
- rod
- threaded 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.)
- Active
Links
- 238000009434 installation Methods 0.000 claims abstract description 28
- 230000007246 mechanism Effects 0.000 claims abstract description 26
- 230000003014 reinforcing effect Effects 0.000 claims description 5
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 8
- 230000001681 protective effect Effects 0.000 description 6
- 238000001035 drying Methods 0.000 description 4
- 238000005507 spraying Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000009957 hemming Methods 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
- 230000011664 signaling Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/14—Extreme weather resilient electric power supply systems, e.g. strengthening power lines or underground power cables
Landscapes
- Patch Boards (AREA)
Abstract
The utility model relates to a hanging rod type rainproof electric cabinet which comprises a cabinet body, wherein the top and the bottom of the right end of the cabinet body are respectively provided with a quick installation mechanism, the lower side of the quick installation mechanism comprises a sliding rail, a bearing seat, a threaded rod, a first sliding block, a clamping hook, a second sliding block, a clamping rod and two groups of limiting blocks, the quick installation mechanism is designed, before the electric cabinet is installed, the threaded rod is rotated first, the first sliding block and the second sliding block are driven to slide in opposite directions in the rotating process of the threaded rod until the clamping hook and the clamping rod are separated, the threaded rod is stopped from rotating, at the moment, the cabinet body can be lifted to the appointed installation position of the electric wire rod, then the clamping hook and the clamping rod are slightly lapped together, then the threaded rod is rotated in opposite directions, so that the first sliding block and the second sliding block are driven to be mutually close to each other, and the right ends of the clamping hook and the clamping rod are clamped more tightly until the clamping hook and the clamping rod are completely clamped.
Description
Technical Field
The utility model relates to the technical field of electric cabinets, in particular to a hanging rod type rainproof electric cabinet.
Background
An electric cabinet is a cabinet that contains one or more low voltage switchgear and associated control, measurement, signaling, protection, regulation, etc. devices and is responsible for being assembled together in its entirety from structural components by the manufacturer. The electric cabinet is divided into vertical, wall-hung type and peg type according to the installation mode, wherein the rain-proof electric cabinet of peg type is the electric cabinet that installs specially on rod-like equipment such as wire pole and possess better rain-proof function, when current electric cabinet installs, need select the staple bolt size of electric cabinet rear end earlier according to the external diameter of wire pole, then install the staple bolt at the rear end of electric cabinet again, use the working position of staple bolt with the electric cabinet installation on the wire pole at last, discovery in current rain-proof electric cabinet of peg type uses, the rear end of general electric cabinet all is provided with two sets of staple bolts, need two people to cooperate simultaneously when installing to align to the bolt hole at staple bolt both ends, then screw up the staple bolt of electric cabinet respectively and accomplish the installation to the electric cabinet again, this just causes and need screw up respectively four sets of bolts in the in-process of carrying out the electric cabinet installation, the installation effectiveness is lower, thereby lead to the practicality relatively poor.
Disclosure of Invention
Aiming at the problems in the prior art, the utility model provides a hanging rod type rainproof electric cabinet, which aims at solving the technical problem of lower installation efficiency in the prior art.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a rain-proof electric cabinet of peg formula, includes the box, the top and the bottom of box right-hand member all are provided with quick installation mechanism, the downside quick installation mechanism includes slide rail, bearing frame, the threaded rod, first slider, the pothook, the second slider, clamping lever and two sets of limit piece, the slide rail is installed in the right-hand member bottom of box, the right-hand member middle part at the slide rail is installed to the bearing frame, the front end middle part of bearing frame is provided with the rotation hole, the middle part and the rotation hole bearing of threaded rod are connected, first slider and second slider respectively with the rear side and the front side sliding connection of slide rail, the front end of first slider and the front end of second slider are provided with left-hand screw hole and right-hand screw hole respectively, left end and the right-hand screw hole of right-hand member threaded rod are articulated with the right-hand member of first slider, the left end and the right-hand member of second slider are articulated, both sides around the slide rail right-hand member are installed respectively to two sets of limit piece, bearing frame and threaded rod are provided with anti-skidding fastening mechanism and rust-proof mechanism respectively.
Preferably, the anti-slip fastening mechanism comprises a screwing head, the right end of the bearing seat is provided with an arc groove, the right end of the arc groove, the front end of the clamping hook and the rear end of the clamping rod are all provided with a plurality of groups of anti-slip protruding points, the rear end of the screwing head is provided with a cross inserting rod, the front end and the rear end of the threaded rod are all provided with cross grooves, the cross inserting rod is respectively in sliding connection with the two groups of cross grooves, the front side of the outer end of the screwing head is uniformly provided with a plurality of groups of stupefied teeth, the anti-slip fastening mechanism can rotate the threaded rod more conveniently, and the stability of the electric cabinet on the telegraph pole can be effectively improved.
In the further preferred, the rainproof and rust-proof mechanism comprises two groups of telescopic protective sleeves and two groups of thread sleeves, the two groups of telescopic protective sleeves are respectively sleeved on the front side and the rear side of the outer side of the threaded rod, the inner ends of the two groups of telescopic protective sleeves are respectively connected with the front end and the rear end of the bearing seat, the outer ends of the two groups of telescopic protective sleeves are respectively connected with the front end of the first sliding block and the rear end of the second sliding block, the two groups of thread sleeves are respectively connected with the front end and the rear end of the threaded rod in a threaded mode, the setting of the rainproof and rust-proof mechanism can effectively prevent the threaded rod from rusting in outdoor sun-drying and rain-spraying for a long time, and the service life of the threaded rod is prolonged.
In a further preferred embodiment, the right end of the rear end of the hook is provided with a plurality of groups of reinforcing ribs, and the arrangement of the plurality of groups of reinforcing ribs can effectively improve the structural strength and the deformation preventing capability of the hook.
In a further preferred embodiment, the right end of the hook is provided with a curled edge, which can effectively prevent the staff from being scratched during the installation process.
In a further preferred mode, the right end of the sliding rail is provided with two groups of fixing bolts, the front side and the rear side of the bottom of the right end of the box body are respectively provided with threaded holes, the front side and the rear side of the right end of the sliding rail are respectively provided with round holes, the left ends of the two groups of fixing bolts respectively penetrate through the two groups of round holes and the two groups of threaded holes in threaded connection, the two groups of fixing bolts are arranged to be more convenient to disassemble and assemble the sliding rail on the box body, so that the box body or the sliding rail is disassembled and assembled more conveniently, and the overhaul and assembly efficiency is improved.
In a further preferred mode, rubber plugs are arranged in the two groups of round holes at the right end of the sliding rail in a matched mode, the two groups of fixing bolts can be effectively prevented from rusting in outdoor sun-drying and rain-spraying, and the service life of the fixing bolts is prolonged.
Compared with the prior art, the utility model provides the hanging rod type rainproof electric cabinet, which has the following beneficial effects:
the quick installation mechanism is designed, before the electric cabinet is installed, the threaded rod is rotated firstly, the first sliding block and the second sliding block are driven to slide in opposite directions simultaneously in the rotating process of the threaded rod until the clamping hooks and the clamping rods are separated, the threaded rod is stopped to rotate, the box body can be lifted to the appointed installation position of the electric cabinet at the moment, then the clamping hooks and the clamping rods are slightly lapped together, then the threaded rod is rotated reversely, the first sliding block and the second sliding block are driven to be close to each other simultaneously, the clamping hooks and the clamping rods are driven to be close to each other, the right ends of the clamping hooks and the clamping rods are clamped more tightly simultaneously, the inner ends of the clamping hooks and the clamping rods are clung to the outer ends of the electric cabinet at the same time until the clamping hooks and the clamping rods are clamped completely, then the other group of quick installation mechanism at the top of the right end of the box body is subjected to the same operation by the same method, and the installation of the box body is completed after the clamping hooks and the clamping rods at the top, so that the electric cabinet can be installed on the electric cabinet quickly and conveniently and quickly, and the electric cabinet can be installed on the electric cabinet can be improved.
The design of the anti-slip fastening mechanism can be used for firstly installing a screwing head on an electric tool when the threaded rod rotates, then inserting a cross inserted bar into a cross groove at any one end of the threaded rod, then operating the electric tool to output to rotate forward and backward more conveniently to the threaded rod, after the box body is installed, detaching the screwing head for installing other electric boxes, and further attaching an arc groove at the right end of a bearing seat to a telegraph pole in the clamping process of the clamping hook and the clamping rod, and effectively improving the friction force between the three anti-slip protruding points at the inner ends of the arc groove and the telegraph pole, thereby improving the stability of the box body installation more efficiently.
Rain-proof rust-resistant mechanism design, install when outdoor use at the electric cabinet, sun-drying rain causes the threaded rod to appear the corrosion easily for a long time to be difficult to rotatory dismantlement to it, so need to install the back of accomplishing the box with the top of two sets of thread bush screw thread suit threaded rod simultaneously, and two sets of flexible protective sheath then can overlap all the time at the outer end of threaded rod and protect the threaded rod, thereby improves the life of threaded rod to a certain extent.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present utility model;
FIG. 2 is a schematic diagram of a front view of a sliding rail according to the present utility model;
FIG. 3 is a schematic view of the upper cross-sectional structure of the slide rail according to the present utility model;
FIG. 4 is a schematic view of a hook structure according to the present utility model;
FIG. 5 is a schematic view of a clamping rod according to the present utility model;
fig. 6 is a schematic view of the structure of the screw joint according to the present utility model.
In the figure: 1. a case; 2. a slide rail; 3. a bearing seat; 4. a threaded rod; 5. a first slider; 6. a clamping hook; 7. a second slider; 8. a clamping rod; 9. a limiting block; 10. screwing the joint; 11. an arc-shaped groove; 12. anti-skid convex points; 13. a cross inserted link; 14. corrugated teeth; 15. a telescopic protective sleeve; 16. a thread sleeve; 17. reinforcing ribs; 18. hemming; 19. a fixing bolt; 20. a rubber stopper.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Example 1:
referring to fig. 1-6, a hanging rod type rainproof electric cabinet comprises a cabinet body 1, wherein the top and the bottom of the right end of the cabinet body 1 are respectively provided with a quick installation mechanism, the lower side of the quick installation mechanism comprises a sliding rail 2, a bearing seat 3, a threaded rod 4, a first sliding block 5, a clamping hook 6, a second sliding block 7, a clamping rod 8 and two groups of limiting blocks 9, the sliding rail 2 is installed at the bottom of the right end of the cabinet body 1, the bearing seat 3 is installed at the middle part of the right end of the sliding rail 2, the middle part of the front end of the bearing seat 3 is provided with a rotating hole, the middle part of the threaded rod 4 is connected with a rotating hole bearing, the front end of the first sliding block 5 and the front end of the second sliding block 7 are respectively provided with a left-handed threaded hole and a right-handed threaded hole, the front end of the first sliding block 5 and the front end of the second sliding block 7 are respectively in threaded connection with the rear side and the front side of the threaded rod 4, the left end of the clamping hook 6 is hinged with the right end of the first sliding block 5, the left end of the clamping rod 8 is hinged with the right end of the second sliding block 7, two groups of limiting blocks 9 are respectively arranged on the front side and the rear side of the right end of the sliding rail 2, the bearing seat 3 and the threaded rod 4 are respectively provided with an anti-slip fastening mechanism and a rainproof and antirust mechanism, the anti-slip fastening mechanism comprises a screwing head 10, the right end of the bearing seat 3 is provided with an arc-shaped groove 11, the right end of the arc-shaped groove 11, the front end of the clamping hook 6 and the rear end of the clamping rod 8 are all provided with a plurality of groups of anti-slip protruding points 12, the rear end of the screwing head 10 is provided with a cross insert rod 13, the front end and the rear end of the threaded rod 4 are all provided with cross slots, the cross insert rod 13 is respectively connected with the two groups of cross slots in a sliding mode, the front side of the outer end of the screwing head 10 is uniformly provided with a plurality of groups of stupefied teeth 14, the rear end of the clamping hook 6 is provided with a plurality of groups of reinforcing ribs 17, and the right end of the clamping hook 6 is provided with a curled edge 18; before the electric cabinet is installed, the threaded rod 4 is rotated firstly, the first sliding block 5 and the second sliding block 7 are driven to slide in opposite directions simultaneously in the process of rotating the threaded rod 4 until the clamping hook 6 and the clamping rod 8 are separated and then the threaded rod 4 is stopped rotating, at the moment, the box body 1 can be lifted to the appointed installation position of the telegraph pole, then the clamping hook 6 and the clamping rod 8 are slightly lapped together, then the threaded rod 4 is rotated reversely, the first sliding block 5 and the second sliding block 7 are driven to be mutually close to each other simultaneously, thereby the clamping hook 6 and the clamping rod 8 are driven to be mutually close to the telegraph pole, the right ends of the clamping hook 6 and the clamping rod 8 are simultaneously clamped and tightened more until the clamping hook 6 and the clamping rod 8 are completely clamped, the inner ends of the clamping hook 6 and the clamping rod 8 are simultaneously clung to the outer end of the telegraph pole, then the other group of quick installation mechanisms at the right end top of the box body 1 is simultaneously operated by the same method, the installation of the box body 1 is completed after the clamping hook 6 and the clamping rod 8 at the top is simultaneously clamped, thus completing the quick installation of the electric cabinet, the electric cabinet can be more conveniently installed on the telegraph pole through the device, the disassembly and assembly efficiency of the electric cabinet is improved, when the threaded rod 4 rotates, the screwing head 10 can be firstly installed on the electric tool, then the cross inserting rod 13 is inserted into the cross groove at any one end of the threaded rod 4, then the electric tool can be operated to output to more conveniently rotate the threaded rod 4 in the forward and reverse directions, after the box body 1 is installed, the screwing head 10 can be disassembled for the installation of other electric cabinets, in the process of clamping the clamping hook 6 and the clamping rod 8, the arc-shaped groove 11 at the right end of the bearing seat 3 can be more attached to the telegraph pole, and the anti-skid convex points 12 at the inner ends of the three can effectively improve the friction force between the three anti-skid convex points and the outer wall of the telegraph pole, thereby more efficiently improving the stability of the installation of the case 1.
Example 2:
referring to fig. 1-6, on the basis of embodiment 1, when the electric cabinet is installed outdoors, long-term sun-drying and rain-spraying easily causes the threaded rod 4 to be rusted, so that it is difficult to rotate and disassemble the electric cabinet, so that after the installation of the cabinet 1 is completed, two sets of thread sleeves 16 need to be sleeved on the front end and the rear end of the threaded rod 4 at the same time, and two sets of telescopic protection sleeves 15 can be sleeved on the outer end of the threaded rod 4 all the time to protect the threaded rod 4, thereby improving the service life of the threaded rod 4 to a certain extent.
Example 3:
referring to fig. 1-6, on the basis of embodiment 2, when the box 1 or the sliding rail 2 component is damaged and needs to be overhauled and replaced, the two groups of rubber plugs 20 at the right end of the sliding rail 2 can be simultaneously removed, then the two groups of fixing bolts 19 are respectively and rotatably removed, at the moment, the damaged component can be integrally replaced by the box 1 and the sliding rail 2 component, and then the damaged component is assembled together through the two groups of fixing bolts 19, so that the box 1 or the sliding rail 2 component can be overhauled more conveniently.
In all the above mentioned solutions, in which the connection between two components can be chosen according to the actual situation, a welded, bolt-and-nut-fitted connection, a bolt-or-screw connection or other known connection means, which are not described in detail herein, where reference is made to a written fixed connection, the preferred consideration is welding, although embodiments of the utility model have been shown and described, it will be understood by those skilled in the art that numerous variations, modifications, substitutions and alterations can be made to these embodiments without departing from the principle and spirit of the utility model, the scope of which is defined by the appended claims and their equivalents.
Claims (7)
1. The utility model provides a peg formula rain-proof electric cabinet, includes box (1), its characterized in that: the utility model provides a quick installation mechanism is all provided with at the top and the bottom of box (1) right-hand member, the downside quick installation mechanism includes slide rail (2), bearing frame (3), threaded rod (4), first slider (5), pothook (6), second slider (7), clamping lever (8) and two sets of limit piece (9), the right-hand member bottom at box (1) is installed in slide rail (2) is installed in bearing frame (3), the right-hand member middle part at slide rail (2) is installed in bearing frame (3), the front end middle part of bearing frame (3) is provided with the rotation hole, the middle part and the rotation hole bearing of threaded rod (4) are connected, the rear side and the front side sliding connection of first slider (5) and second slider (7) respectively, the front end of first slider (5) and the front end of second slider (7) are provided with left-hand threaded hole and right-hand threaded hole respectively, the left end of pothook (6) and the right-hand thread hole are articulated with the right-hand member middle part of first slider (2) respectively, the left end of pothook (6) and the right-hand member hinge joint of bearing frame (8) and the both sides of second slider (7) are installed in anti-rust mechanism (4) and both sides respectively.
2. A hanging rod type rainproof electric cabinet according to claim 1, wherein: the anti-slip fastening mechanism comprises a screwing head (10), wherein an arc groove (11) is formed in the right end of a bearing seat (3), multiple groups of anti-slip protruding points (12) are formed in the right end of the arc groove (11), the front end of a clamping hook (6) and the rear end of a clamping rod (8), a cross inserting rod (13) is arranged at the rear end of the screwing head (10), cross grooves are formed in the front end and the rear end of a threaded rod (4), the cross inserting rod (13) is respectively connected with the two groups of cross grooves in a sliding mode, and multiple groups of corrugated teeth (14) are uniformly formed in the front side of the outer end of the screwing head (10).
3. A hanging rod type rainproof electric cabinet according to claim 1, wherein: the rainproof and rust-proof mechanism comprises two groups of telescopic protection sleeves (15) and two groups of thread sleeves (16), wherein the two groups of telescopic protection sleeves (15) are respectively sleeved on the front side and the rear side of the outer side of the threaded rod (4), the inner ends of the two groups of telescopic protection sleeves (15) are respectively connected with the front end and the rear end of the bearing seat (3), the outer ends of the two groups of telescopic protection sleeves (15) are respectively connected with the front end of the first sliding block (5) and the rear end of the second sliding block (7), and the two groups of thread sleeves (16) are respectively connected with the front end and the rear end of the threaded rod (4) in a threaded mode.
4. A hanging rod type rainproof electric cabinet according to claim 3, wherein: the right end of the rear end of the clamping hook (6) is provided with a plurality of groups of reinforcing ribs (17).
5. The hanging rod type rainproof electric cabinet according to claim 4, wherein: the right end of the clamping hook (6) is provided with a curled edge (18).
6. The hanging rod type rainproof electric cabinet according to claim 5, wherein: the right-hand member of slide rail (2) is provided with two sets of fixing bolt (19), and both sides all are provided with the screw hole around box (1) right-hand member bottom, and both sides all are provided with the round hole around slide rail (2) right-hand member, and the left end of two sets of fixing bolt (19) passes two sets of round holes respectively and two sets of screw hole threaded connection.
7. The hanging rod type rainproof electric cabinet according to claim 6, wherein: rubber plugs (20) are arranged in the two groups of round holes at the right end of the sliding rail (2) in a matched mode.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202321534976.8U CN220108422U (en) | 2023-06-15 | 2023-06-15 | Hanging rod type rainproof electric cabinet |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202321534976.8U CN220108422U (en) | 2023-06-15 | 2023-06-15 | Hanging rod type rainproof electric cabinet |
Publications (1)
Publication Number | Publication Date |
---|---|
CN220108422U true CN220108422U (en) | 2023-11-28 |
Family
ID=88882378
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202321534976.8U Active CN220108422U (en) | 2023-06-15 | 2023-06-15 | Hanging rod type rainproof electric cabinet |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN220108422U (en) |
-
2023
- 2023-06-15 CN CN202321534976.8U patent/CN220108422U/en active Active
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN211629730U (en) | Electric dismounting tool for J-shaped cable clamp | |
CN201866025U (en) | Universal anchor ear for installing communication case | |
CN110212325B (en) | Special-shaped wire clamp mounting ground wire combination tool | |
CN220108422U (en) | Hanging rod type rainproof electric cabinet | |
CN207757519U (en) | A kind of spanner | |
CN206412902U (en) | A kind of electric motor end cap provision for disengagement | |
KR20110075083A (en) | A insulation wrench for live wire | |
CN106410667A (en) | Operating lever for live-line working | |
CN204119901U (en) | Tree brushing brush | |
KR100655134B1 (en) | wire-changing device of electric pole | |
CN210307643U (en) | Bolt fastening device suitable for narrow space | |
CN105633857B (en) | A kind of charged for replacement bird-scaring unit specific purpose tool | |
CN210779816U (en) | Electrified repacking instrument of equalizer ring bolt with self-locking function | |
CN201435582Y (en) | Communication cable anti-theft protective device and special wrench | |
CN211344257U (en) | Piping lane cable support | |
CN205218944U (en) | A instrument for quick elasticity bolt | |
CN211639733U (en) | Be applied to solar equipment mounting tool in narrow and small space | |
CN208117744U (en) | Transformer maintenance tool and power equipment maintaining device | |
CN205184668U (en) | Key puller | |
CN108381462A (en) | Transformer maintenance tool and power equipment maintaining device | |
CN221669083U (en) | Electric power installation lead wire anchor clamps | |
CN220505497U (en) | Gap compensation device and modularized spliced furniture | |
CN221321855U (en) | Safety protection net connection structure | |
CN215968561U (en) | Bolt fastening operation device without power failure | |
CN203171545U (en) | Special inner pentagon tool |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
GR01 | Patent grant | ||
GR01 | Patent grant |