CN112864935A - Power grid equipment inspection auxiliary equipment - Google Patents
Power grid equipment inspection auxiliary equipment Download PDFInfo
- Publication number
- CN112864935A CN112864935A CN202110074203.5A CN202110074203A CN112864935A CN 112864935 A CN112864935 A CN 112864935A CN 202110074203 A CN202110074203 A CN 202110074203A CN 112864935 A CN112864935 A CN 112864935A
- Authority
- CN
- China
- Prior art keywords
- inlay
- ball
- strip
- block
- inlayed
- 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
Images
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G1/00—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G1/00—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines
- H02G1/02—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines for overhead lines or cables
Landscapes
- Testing Relating To Insulation (AREA)
Abstract
The invention discloses a power grid equipment inspection auxiliary device which structurally comprises a fixing mechanism, an anti-skidding block and an embedded button, wherein the embedded button is movably clamped on the lower end face of the fixing mechanism, the anti-skidding block is embedded on the outer end face of the fixing mechanism, and the embedded button is positioned right below the anti-skidding block; fixing mechanism includes the closing piece, laminating mechanism, inlay the axle, the closing piece symmetry is installed in the upper end left and right sides of inlaying the axle, laminating mechanism inlays and locates fixing mechanism's medial surface, it is located laminating mechanism under to inlay the axle, the water stain that the part is located in the guide slot can be along with the extrusion in the water inlet in the guide slot inflow absorption ball, the direction through the guide groove and flow into the sponge ball and form the absorption, and the solid strip also can be along with the extrusion and inwards cave in under the extrusion, drive hollow block down simultaneously and turn left right side separation, reduce the high absorption to water stain to the increase of water inlet.
Description
Technical Field
The invention belongs to the field of power grids, and particularly relates to auxiliary equipment for power grid equipment inspection.
Background
The power grid patrol auxiliary equipment is equipment which is clamped on a cable in a nested installation mode to detect current in the cable when a damaged part of a power grid is routinely checked, and mainly detects the flow and the voltage of the current.
Based on the findings of the inventor, the following defects mainly exist in the prior art, such as: when overhauing the cable of equipment to surface humidity, owing to need wrap up the cable, lead to can squeeze into the damaged mouth of cable with the water stain between two terminal surfaces when the installation in, cause the cable turbulent flow to beat once more, form the potential safety hazard of overhauing equipment.
Therefore, it is necessary to provide an auxiliary device for inspecting power grid equipment.
Disclosure of Invention
When overhauing the cable of surface wetness with equipment in order to solve above-mentioned technique, owing to need wrap up the cable, lead to when the installation can squeeze into the damaged mouth of cable with the water stain between two terminal surfaces in, cause the cable turbulent flow to beat once more, form the problem of overhauing the potential safety hazard of equipment.
The invention relates to a purpose and an effect of a power grid equipment inspection auxiliary device, which are achieved by the following specific technical means: the structure of the anti-skid device comprises a fixing mechanism, anti-skid blocks and an embedded button, wherein the embedded button is movably clamped on the lower end face of the fixing mechanism, the anti-skid blocks are embedded on the outer end face of the fixing mechanism, and the embedded button is positioned right below the anti-skid blocks; the fixing mechanism comprises a closing block, a laminating mechanism and an embedding shaft, the closing block is symmetrically installed on the left side and the right side of the upper end of the embedding shaft, the laminating mechanism is embedded in the inner side end face of the fixing mechanism, and the embedding shaft is located under the laminating mechanism.
Wherein, laminating mechanism includes isolator mechanism, magnetic unit, pulls the piece, isolator mechanism inlays the both ends face about locating the inboard of closing the piece, the magnetic unit symmetry is installed directly over pulling the piece, it inlays the medial surface of locating isolator mechanism to pull a left and right sides terminal surface, the inner of pulling the piece is personally submitted hollow form.
Wherein, isolation mechanism is including adsorbing ball, guide slot, the isolation square body, adsorb ball outside end face and inlay and connect the guide slot, the lower extreme lateral surface of locating isolation mechanism is inlayed to the guide slot, keep apart the even array of square body terminal surface under isolation mechanism's the outside and be connected with the guide slot surface, the guide slot is inside sunken taper groove.
The adsorption ball comprises a solid strip, a water inlet, a guide groove, a sponge ball, an embedding groove and a hollow block, wherein the solid strip is embedded in the upper end face of the outer side of the sponge ball, the water inlet is embedded in the left side and the right side of the inner end of the solid strip, the guide groove is connected with the sponge ball in a laminating mode, the sponge ball is embedded in the outer side face of the upper end of the embedding groove, the embedding groove is connected with the hollow block in a laminating mode, the hollow block is embedded in the inner side face of the lower end of the adsorption ball, and the inner end face of the sponge ball is made of artificial sponge and cotton fibers in a filling.
Wherein, keep apart the square body and include sponge piece, fixed block, inlay even ring, rubber ring, the hollow block of second, inlay the strip, the sponge piece is inlayed and is located the lower extreme lateral surface of fixed block, the hollow block of second is inlayed to the terminal surface under the fixed block, inlay even the nested parcel of ring at the outside terminal surface of inlaying the strip, the strip is being inlayed in the laminating of rubber ring, the strip is inlayed in the laminating of the hollow block outside terminal surface of second, inlay the strip symmetry and install the lower extreme left and right sides at the sponge piece, hollow closed form just is filled by the air in the hollow block inner of second personally submits.
Wherein, inlay even ring including the half arc strip of rubber, inlay groove, second rubber circle, ball, spacing, the half arc strip symmetry of rubber is installed at the upper and lower both ends of inlaying the groove, inlay the groove and inlay and locate the medial surface of inlaying even ring, the second rubber circle encircles the outside terminal surface of parcel at the half arc strip of rubber, both ends face about ball activity block is inlaying the inboard in groove, spacing inlays solid both sides about the outer end of installing at the half arc strip of rubber, the ball with inlay and be equipped with the clearance between the groove, and ball part area exposes at the interior terminal surface of inlaying the groove.
Compared with the prior art, the invention has the following beneficial effects:
1. the water stain that the part is arranged in the guide slot can be along with the extrusion in the water inlet in the guide slot inflow absorption ball, and the direction through the guide slot flows in and forms the absorption in the sponge ball, and the solid strip also can be along with the extrusion inwards sunken under the extrusion, drives hollow block downwards simultaneously and turns left and right both sides separation, reduces the high absorption to the water stain of increase of water inlet.
2. Because the lower extreme outside nestification of fixed block is installing and is inlaying the interlinkage, promote to the ball and make its roll when the fixed block is sunken, inlay the strip and promote the half arc strip of rubber when the rubber circle is crooked along with the radian on cable surface, utilize the spacing nature and the high density nature of half arc strip of rubber and spacing strip, both ends about the assurance are inlayed the symmetry in groove.
Drawings
Fig. 1 is a schematic structural diagram of an auxiliary device for power grid equipment inspection according to the present invention.
Fig. 2 is a schematic structural diagram of a power grid equipment inspection auxiliary equipment fixing mechanism of the invention.
Fig. 3 is a schematic structural diagram of the power grid equipment inspection auxiliary equipment attaching mechanism of the invention.
Fig. 4 is a schematic structural diagram of an auxiliary equipment isolation mechanism for power grid equipment inspection according to the present invention.
Fig. 5 is a schematic structural diagram of an adsorption ball of an auxiliary device for power grid equipment inspection according to the present invention.
Fig. 6 is a schematic structural diagram of an isolation cube of an auxiliary device for power grid equipment inspection according to the present invention.
Fig. 7 is a schematic structural diagram of an embedded link of the power grid equipment inspection auxiliary equipment.
In the figure: the device comprises a fixing mechanism-1, an anti-slip block-2, an embedded button-3, a closing block-11, a laminating mechanism-12, an embedded shaft-13, an isolating mechanism-121, a magnet group-122, a pulling block-123, an adsorption ball-211, a guide groove-212, an isolation square body-213, a solid strip-111, a water inlet-112, a guide groove-113, a sponge ball-114, an embedded groove-115, a hollow block-116, a sponge block-131, a fixed block-132, an embedded connecting ring-133, a rubber ring-134, a second hollow block-135, an embedded strip-136, a rubber semi-arc strip-331, an embedded groove-332, a second rubber ring-333, a ball-334 and a limiting strip-335.
Detailed Description
The invention is further described below with reference to the accompanying drawings:
example 1:
as shown in figures 1 to 5:
the invention provides a power grid equipment inspection auxiliary device which structurally comprises a fixing mechanism 1, an anti-skid block 2 and an embedded button 3, wherein the embedded button 3 is movably clamped on the lower end face of the fixing mechanism 1, the anti-skid block 2 is embedded in the end face of the outer side of the fixing mechanism 1, and the embedded button 3 is positioned right below the anti-skid block 2; fixing mechanism 1 includes closing die 11, laminating mechanism 12, inlays axle 13, closing die 11 symmetry is installed in the upper end left and right sides of inlaying axle 13, laminating mechanism 12 inlays the medial surface of locating fixing mechanism 1, inlay axle 13 and be located laminating mechanism 12 under.
Wherein, laminating mechanism 12 includes isolator 121, magnetism group 122, pulls piece 123, isolator 121 inlays the both ends face about locating the inboard of closing piece 11, magnetism group 122 symmetry is installed directly over pulling piece 123, pull the inboard terminal surface that sets up isolator 121 of the both sides terminal surface inlaying of piece 123 left and right sides, the interior end of pulling piece 123 personally submits hollow form, can open and form to pull to the left and right sides along with closing piece 11.
Wherein, isolation mechanism 121 includes adsorbs ball 211, guide slot 212, keeps apart square body 213, adsorb ball 211 outside terminal surface and inlay and connect the guide slot 212, the lower extreme lateral surface of locating isolation mechanism 121 is inlayed to the guide slot 212, keep apart square body 213 even array terminal surface under isolation mechanism 121's the outside and be connected with the guide slot 212 surface, guide slot 212 is inside sunken taper groove, can effectively guide rivers to flow to adsorbing in the ball 211.
The adsorption ball 211 comprises a solid strip 111, a water inlet 112, a guide groove 113, a sponge ball 114, an embedding groove 115 and a hollow block 116, the solid strip 111 is embedded in the outer upper end face of the sponge ball 114, the water inlet 112 is embedded in the left side and the right side of the inner end of the solid strip 111, the guide groove 113 is attached to the sponge ball 114, the sponge ball 114 is embedded in the upper outer side face of the embedding groove 115, the embedding groove 115 is attached to the hollow block 116, the hollow block 116 is embedded in the lower inner side face of the adsorption ball 211, the inner end face of the sponge ball 114 is made of artificial sponge and cotton fiber in a filling mode, and water flowing in along the water inlet 112 can be effectively adsorbed.
The specific use mode and function of the embodiment are as follows:
in the invention, after the closing block 11 in the fixing mechanism 1 is broken to the left and right sides in use, the cable to be inspected is placed in the attaching mechanism 12, and then the closing block 11 is closed again, and in order to avoid that water stains attached to the surface of the cable seep into the cable again along with the extrusion of the closing block 11 when the damaged cable is inspected, the isolating mechanism 121 is arranged in the attaching mechanism 12, so that the surface of the cable is extruded by the isolating square body 213 when the closing block 11 is closed, the surface of the cable is evenly and equally divided by the rectangular isolating square body 213, the water stains are prevented from seeping into the cable with the surface damage along with the closed extrusion of the closing block 11, and part of the water stains in the guide groove 212 flow into the water inlet 112 in the adsorption ball 211 along with the extrusion, flow into the sponge ball 114 to form adsorption through the guidance of the guide groove 113, and the solid strip 111 is also sunken inwards along with the extrusion under extrusion, meanwhile, the hollow block 116 is driven downwards to separate towards the left side and the right side, and the height of the water inlet 112 is reduced to increase the adsorption of water stains.
Example 2:
as shown in fig. 6 to 7:
wherein, keep apart square body 213 includes sponge piece 131, fixed block 132, inlays link 133, rubber ring 134, the hollow piece 135 of second, inlay strip 136, sponge piece 131 inlays the lower extreme lateral surface of locating fixed block 132, the hollow piece 135 of second is inlayed the block and is connected under the fixed block 132, inlay link 133 nestification parcel at the outside terminal surface of inlaying strip 136, inlay strip 136 is being connected in the laminating of rubber ring 134, inlay strip 136 is being connected in the laminating of the hollow piece 135 outside terminal surface of second, inlay strip 136 symmetry and install the lower extreme left and right sides at sponge piece 131, hollow closed form just is filled by the air in the inner terminal surface of the hollow piece 135 of second, can be along with the pushing down of fixed block 132 and inwards extrude deformation and form the buffering.
Wherein, inlay even ring 133 including half arc strip 331 of rubber, inlay groove 332, second rubber circle 333, ball 334, spacing strip 335, half arc strip 331 of rubber symmetry is installed at the upper and lower both ends of inlaying groove 332, inlay groove 332 and inlay the medial surface of locating and inlaying even ring 133, second rubber circle 333 encircles the outside terminal surface of parcel at half arc strip 331 of rubber, both ends face about ball 334 activity block is inlaying the inboard of groove 332, spacing strip 335 inlays admittedly and installs both sides about the outer end of half arc strip 331 of rubber, ball 334 and inlay and be equipped with the clearance between the groove 332, and ball 334 partial area exposes at the interior terminal surface of inlaying groove 332, and the pushing down of accessible fixed block 132 reduces surface friction under ball 334's the rolling effect.
The specific use mode and function of the embodiment are as follows:
in the invention, when the closing block 11 is closed and extruded towards the middle, the isolation square body 213 can isolate and differentiate the area of the cable surface, so that the rubber ring 134 is attached to the cable surface, the fixing block 132 is driven to extrude the rubber ring 134 downwards to be embedded into the embedding strip 136 along with the continuous force application of the closing block 11, the second hollow block 135 is extruded at the same time, the second hollow block 135 is inwards sunken to generate deformation along with the filling property of the rubber material and air, the rubber ring 134 is tightly attached to the cable surface, water stains separated by the rubber ring 134 are adsorbed by the sponge block 131 which is gradually close to the rubber ring 134, as the embedding ring 133 is embedded and installed at the outer side of the lower end of the fixing block 132, the fixing block 132 is sunken and pushes the ball 334 to roll, when the rubber ring 134 is bent along with the radian of the cable surface, the embedding strip 136 pushes the rubber semi-arc strip 331, and the limitation and high density of the rubber semi-arc strip 331 and the limiting strip 335 are utilized, the symmetry of the left and right embedding slots 332 is ensured.
The technical solutions of the present invention or similar technical solutions designed by those skilled in the art based on the teachings of the technical solutions of the present invention are all within the scope of the present invention to achieve the above technical effects.
Claims (6)
1. The structure of the auxiliary equipment for power grid equipment inspection comprises a fixing mechanism (1), an anti-skid block (2) and an embedded button (3), wherein the embedded button (3) is movably clamped on the lower end face of the fixing mechanism (1), the anti-skid block (2) is embedded in the outer end face of the fixing mechanism (1), and the embedded button (3) is located right below the anti-skid block (2); the method is characterized in that:
fixed establishment (1) includes closing piece (11), laminating mechanism (12), inlays axle (13), the upper end left and right sides at inlaying axle (13) is installed to closing piece (11) symmetry, laminating mechanism (12) are inlayed and are located the medial surface of fixed establishment (1), inlay axle (13) and be located laminating mechanism (12) under.
2. The power grid equipment inspection auxiliary equipment according to claim 1, wherein: laminating mechanism (12) include isolation mechanism (121), magnetic unit (122), pull piece (123), both ends face about isolation mechanism (121) inlays and locates the inboard of closing piece (11), magnetic unit (122) symmetry is installed directly over pulling piece (123), pull piece (123) about both sides terminal surface inlay the medial surface of locating isolation mechanism (121).
3. The power grid equipment inspection auxiliary equipment according to claim 2, wherein: isolation mechanism (121) are including adsorbing ball (211), guide slot (212), isolation square body (213), adsorb ball (211) outside terminal surface and inlay and be connected guide slot (212), the lower extreme lateral surface of locating isolation mechanism (121) is inlayed in guide slot (212), the even array of isolation square body (213) terminal surface under the outside of isolation mechanism (121) and with guide slot (212) surface phase connection.
4. The power grid equipment inspection auxiliary equipment according to claim 3, wherein: adsorb ball (211) including solid strip (111), water inlet (112), guiding groove (113), sponge ball (114), consolidation groove (115), hollow block (116), the outside up end of locating sponge ball (114) is inlayed in solid strip (111), the inner left and right sides of locating solid strip (111) is inlayed in water inlet (112), sponge ball (114) is being connected in guiding groove (113) laminating, sponge ball (114) are inlayed and are located the upper end lateral surface of consolidation groove (115), hollow block (116) is being connected in consolidation groove (115) laminating, hollow block (116) are inlayed and are located the lower extreme medial surface of adsorbing ball (211).
5. The power grid equipment inspection auxiliary equipment according to claim 3, wherein: keep apart square body (213) including sponge piece (131), fixed block (132), inlay even ring (133), rubber circle (134), the hollow block of second (135), inlay strip (136), inlay the lower extreme lateral surface of locating fixed block (132) sponge piece (131), the hollow block of second (135) is being connected in the terminal surface is inlayed to fixed block (132), inlay even ring (133) nested parcel in the outside terminal surface of inlaying strip (136), inlay strip (136) is being connected in the laminating of rubber circle (134), inlay strip (136) is being connected in the laminating of the hollow block of second (135) outside terminal surface, inlay strip (136) symmetry is installed in the lower extreme left and right sides of sponge piece (131).
6. The power grid equipment inspection auxiliary equipment according to claim 5, wherein: inlay even ring (133) including half arc strip of rubber (331), inlay groove (332), second rubber circle (333), ball (334), spacing (335), half arc strip of rubber (331) symmetry is installed at the upper and lower both ends of inlaying groove (332), inlay groove (332) and inlay and locate the medial surface of inlaying even ring (133), second rubber circle (333) encircle the outside terminal surface of parcel at half arc strip of rubber (331), both ends face about the inboard of inlaying groove (332) is inlayed in ball (334) activity block, spacing (335) are inlayed and are installed both sides about the outer end of half arc strip of rubber (331).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110074203.5A CN112864935B (en) | 2021-01-20 | 2021-01-20 | Power grid equipment inspection auxiliary equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110074203.5A CN112864935B (en) | 2021-01-20 | 2021-01-20 | Power grid equipment inspection auxiliary equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112864935A true CN112864935A (en) | 2021-05-28 |
| CN112864935B CN112864935B (en) | 2022-07-22 |
Family
ID=76007548
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110074203.5A Active CN112864935B (en) | 2021-01-20 | 2021-01-20 | Power grid equipment inspection auxiliary equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112864935B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN207719712U (en) * | 2017-12-04 | 2018-08-10 | 王少女 | A kind of cable convenient for maintenance |
| CN209419090U (en) * | 2018-09-07 | 2019-09-20 | 周玉兰 | A kind of power cable bundling device |
| CN209948584U (en) * | 2019-08-09 | 2020-01-14 | 河南合瑞电气有限公司 | Transformer cable protective tube convenient to install |
| CN112078408A (en) * | 2020-09-24 | 2020-12-15 | 广州奕极机电科技有限公司 | Movable electric automobile fills electric pile for new forms of energy electric automobile |
-
2021
- 2021-01-20 CN CN202110074203.5A patent/CN112864935B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN207719712U (en) * | 2017-12-04 | 2018-08-10 | 王少女 | A kind of cable convenient for maintenance |
| CN209419090U (en) * | 2018-09-07 | 2019-09-20 | 周玉兰 | A kind of power cable bundling device |
| CN209948584U (en) * | 2019-08-09 | 2020-01-14 | 河南合瑞电气有限公司 | Transformer cable protective tube convenient to install |
| CN112078408A (en) * | 2020-09-24 | 2020-12-15 | 广州奕极机电科技有限公司 | Movable electric automobile fills electric pile for new forms of energy electric automobile |
Also Published As
| Publication number | Publication date |
|---|---|
| CN112864935B (en) | 2022-07-22 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN112864935B (en) | Power grid equipment inspection auxiliary equipment | |
| CN108146466A (en) | Automatic passing over of neutral section ground sensing device detecting system | |
| CN202066668U (en) | Detection device for mechanical properties of vacuum circuit breaker | |
| CN203601291U (en) | Monorail crane electromagnet braking device | |
| CN202217620U (en) | Liquid level switch used for nonmagnetic box body | |
| CN117031173A (en) | Power failure monitoring device and method for power transmission and transformation engineering | |
| US6720873B1 (en) | Method and apparatus for testing magnetic proximity detectors on ski lifts | |
| CN208793495U (en) | Brake strip limit of wear warning device and arrestment mechanism | |
| CN113217890B (en) | Wisdom lamp pole | |
| CN204124149U (en) | The outdoor mobility type analogy inspection vehicle of rolling bearing fault rail limit acoustic testing system | |
| CN207758804U (en) | Automatic passing over of neutral section ground sensing device detecting system | |
| CN110126700A (en) | A kind of new energy anti-tumble handrail used for buses | |
| CN113659497B (en) | Cable pipeline plugging device and haulage rope protection device | |
| CN213986411U (en) | Environment detection device | |
| CN108663083A (en) | A kind of open air transmission line faultlocating device | |
| CN111207793B (en) | Cable tunnel environment monitoring device and system | |
| CN207597454U (en) | A kind of separate type pile test strains ring | |
| CN113866043A (en) | Trace magnetic substance detector | |
| CN220647895U (en) | Gas leakage prevention detection device | |
| CN215263732U (en) | Near-field detection probe for electromagnetic field | |
| CN206378239U (en) | A kind of diaphragm pressure signalling means | |
| CN215733329U (en) | Cable bundling system of lifting equipment | |
| CN207603204U (en) | One kind is based on oil immersed type testing transformer residual charge automatic releasing device | |
| CN210665609U (en) | Self-crawling driving wheel of crossed magnetic yoke magnetic powder inspection device | |
| CN220472737U (en) | Pipeline liquid level meter |
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: 20220704 Address after: 835000 No. 25, South Ring East Road, Kuitun city, Ili Kazak Autonomous Prefecture, Xinjiang Uygur Autonomous Region Applicant after: KUITUI POWER SUPPLY COMPANY OF STATE GRID XINJIANG ELECTRIC POWER Co.,Ltd. Address before: 212000 Jiangsu Huahang microgrid Co., Ltd., No.1, Xinzheng East Road, Xinba Town, Yangzhong City, Zhenjiang City, Jiangsu Province Applicant before: Gan Yanyun |
|
| TA01 | Transfer of patent application right | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |