CN109941820B - Cable is prevented piling up coiler that bends - Google Patents
Cable is prevented piling up coiler that bends Download PDFInfo
- Publication number
- CN109941820B CN109941820B CN201910295481.6A CN201910295481A CN109941820B CN 109941820 B CN109941820 B CN 109941820B CN 201910295481 A CN201910295481 A CN 201910295481A CN 109941820 B CN109941820 B CN 109941820B
- Authority
- CN
- China
- Prior art keywords
- main
- cable
- core
- strip
- bracket
- 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
Images
Abstract
The invention discloses a cable anti-stacking and anti-bending retractor, which structurally comprises a handle, an extension bracket, a take-up turntable, a take-up center shaft and a tray, wherein the handle is nested and movably connected with the extension bracket, the take-up center shaft comprises a side support, a main bracket, a correcting limiting strip and a rotation assisting core, when a flat cable is wound, the cable can rotate and be wound along the surface of the main bracket, one end of the cable is fixed by a main head, a main interlayer is stressed to extrude into a clamping groove when an elastic soft layer deflects, after the buffering is finished, a viscous groove flows back gas to completely return the cable, so that the elastic soft layer can powerfully push the cable to return, a gravity center rolling ball rolls to the bottom end of a buffering arc way to drive the whole direction of the correcting limiting strip to drive the cable to return, the cable to be more relaxed, and when the cable deviates too much in the winding process, the device can be returned in time, so that the device cannot be pressed due to the winding of the rear section.
Description
Technical Field
The invention belongs to the field of cables, and particularly relates to a cable anti-stacking and anti-bending retractor.
Background
At present, cables are spread in our lives and the types of cables are various, and among them, there is a cable anti-stack buckling retractor which arranges and combines an inner core strip to form a flat outer protective sheath, which has a thinner thickness and a wider width than a cylindrical cable.
Based on the above inventor's discovery, the existing cable take-up device mainly has the following several shortcomings, for example:
when the flat cable is accumulated to a certain height in the winding process, if one flat cable extends out, the flat cable is clamped in the middle by the rear cable in the subsequent winding process and is in a bent state for a long time, so that the outer layer of the flat cable is easy to break, and even the inner core is exposed.
It is therefore desirable to provide a retractor that prevents cables from buckling.
Disclosure of Invention
The problem that when a flat cable is accumulated to a certain height in the winding process, if a section of the flat cable extends out, the flat cable is clamped in the middle by a rear cable in the subsequent winding process and is in a bent state for a long time, so that the outer layer of the flat cable is easily broken, and even the inner core is exposed is solved.
The invention relates to a retractor for preventing cables from being stacked and bent, which is achieved by the following specific technical means:
the structure of the wire collecting device comprises a hand grip, an extension bracket, a wire collecting turntable, a wire collecting middle shaft and a tray.
The handle is nested and swing joint mutually with the extension bracket, the one end that the handle was kept away from to the extension bracket is welded mutually with receipts line carousel, receive line carousel left end and install perpendicularly and receive the line axis, it is connected with the tray to receive the one end that the line axis kept away from receipts line carousel.
The wire collecting middle shaft comprises a side support, a main bracket, a correcting limiting strip and a rotation assisting core, wherein the main bracket is embedded in the rotation assisting core and is positioned on the same axis, the correcting limiting strip is installed in the main bracket, and the rotation assisting core is embedded in the side support.
As a further improvement of the invention, the correction limiting strip comprises a main correcting rod, an adsorption sticky strip, an inner grid, a gravity center core and auxiliary end heads, wherein the main correcting rod is connected with the adsorption sticky strip, the main correcting rod is embedded in the inner grid, the gravity center core is positioned in the adsorption sticky strip, the auxiliary end heads are arranged right below the gravity center core, the number of the main correcting rods is two, the gravity center core is of a spherical structure, and the adsorption sticky strip is made of rubber materials and has certain elasticity.
As a further improvement of the invention, the main straightening rod comprises an inclined block, a main head, an elastic soft layer and a triangular return strip, wherein the inclined block is positioned under the triangular return strip, the main head is connected with the elastic soft layer, the triangular return strip is embedded in the elastic soft layer, the triangular return strip is of a trapezoidal structure, and the main head is of a cylindrical structure.
As a further improvement of the invention, the triangular return strip comprises a pressing angle bead, two supporting balls, two bending angles, a main interlayer, a clamping groove and an inner auxiliary rod, the pressing angle bead is mounted inside the inner auxiliary rod, the supporting balls are connected with the main interlayer, the bending angles are mounted between the main interlayer and the inner auxiliary rod, the clamping groove is located inside the main interlayer, and the two supporting balls are made of rubber materials and have certain elasticity.
As a further improvement of the invention, the pressure-actuated corner protector comprises an expansion bag opening, a to-be-expanded sticking groove, a pressure-assisted core, a main buckle layer and two positioning beads, wherein the pressure-assisted core is abutted against the outer surface of the expansion bag opening, the pressure-assisted core is connected with the main buckle layer, the to-be-expanded sticking groove is communicated with the expansion bag opening, the positioning beads are embedded in the to-be-expanded sticking groove, the pressure-assisted core is of a semi-arc structure, and the number of the positioning beads is two.
As a further improvement of the invention, the gravity center core comprises a main ball, a sponge top body, a buffering arc channel, a support body, a positioning core and two gravity center rolling balls, wherein the buffering arc channel is embedded in the main ball, the sponge top body is attached to the inner wall of the buffering arc channel, the gravity center rolling balls are embedded in the buffering arc channel, the support body is connected with the main ball, the other end of the support body is connected with the positioning core, the gravity center rolling balls are in a spherical structure, and the number of the main balls is two.
Compared with the prior art, the invention has the following beneficial effects:
when the flat cable is rolled up, the handle is rotated by external force, so that the handle drives the take-up turntable to rotate through the extension bracket, the cable can rotate and be rolled up along the surface of the main bracket, one end of the main head is fixed, the main interlayer is pressed into the clamping groove by force while the elastic soft layer moves, the pressure-assisted core moves inwards to press the expansion bag opening, the gas in the expansion bag opening can run into the groove to be expanded and bonded, after the buffer is finished, the swelling and sticking groove reflows the gas to allow the gas to return completely, so that the elastic soft layer can forcefully push the cable to return, its focus rolls the pearl and rolls to buffering arc way bottom, drives and corrects the holistic direction of spacing, lets it drive the cable return, and is more light, can be when the in-process cable off normal goes out too much of roll-up, can be timely with its return, let it can not pushed down because of the roll-up of back end.
Drawings
Fig. 1 is a schematic structural diagram of a retractor for preventing a cable from being stacked and buckled according to the present invention.
Fig. 2 is a front view of an internal structure of a take-up middle shaft according to the present invention.
Fig. 3 is a schematic front view of an inner structure of a correcting and limiting strip according to the present invention.
FIG. 4 is a schematic view of an elevational internal structure of a primary orthotic of the present invention.
Fig. 5 is a schematic front view of an internal structure of a triangular return strip according to the present invention.
Fig. 6 is a schematic front view of the inner structure of the pressing corner protector according to the present invention.
FIG. 7 is a front view of the internal structure of a center of gravity core according to the present invention.
In the figure: the fishing line comprises a hand grip-1, an extension bracket-2, a line-receiving turntable-3, a line-receiving middle shaft-4, a tray-5, a side support-41, a main bracket-42, a correction limit strip-43, an auxiliary rotation core-44, a main correction rod-431, an adsorption sticky strip-432, an inner grid-433, a gravity center core-434, an auxiliary tip-435, a tendency block-4311, a main head-4312, an elastic soft layer-4313, a triangular return strip-4314, a pressing and moving corner guard-43141, a support ball-43142, a bending corner-43143, a main interlayer-43144, a clamping groove-43145, an inner auxiliary rod-43146, an expansion bag mouth-a 1, a to-be-expanded sticky groove-a 2, an auxiliary pressing core-a 3, a main buckle layer-a 4, a positioning bead-a 5, a main ball-4341, a sponge top body-4342, a buffer arc channel-4343, a support body-4344, a positioning core-4345 and a gravity center rolling-4346.
Detailed Description
The invention is further described below with reference to the accompanying drawings:
example (b):
as shown in figures 1 to 7:
the invention provides a cable anti-stacking and anti-bending retractor which structurally comprises a hand grip 1, an extension bracket 2, a take-up rotary table 3, a take-up middle shaft 4 and a tray 5.
Hand grip 1 inlays cover and swing joint mutually with extending bracket 2, the one end that the hand grip 1 was kept away from to extending bracket 2 welds mutually with receiving line carousel 3, receive line carousel 3 left end and install perpendicularly and receive line axis 4, receive line axis 4 and keep away from the one end of receiving line carousel 3 and be connected with tray 5.
The take-up middle shaft 4 comprises a side support 41, a main bracket 42, a correcting limiting strip 43 and a rotation assisting core 44, wherein the main bracket 42 is embedded in the rotation assisting core 44 and is positioned on the same axis, the correcting limiting strip 43 is installed in the main bracket 42, and the rotation assisting core 44 is embedded in the side support 41.
The correcting and limiting strip 43 comprises a main correcting rod 431, an adsorption sticky strip 432, an inner grid 433, a gravity center core 434 and auxiliary tips 435, wherein the main correcting rod 431 is connected with the adsorption sticky strip 432, the main correcting rod 431 is embedded in the inner grid 433, the gravity center core 434 is positioned in the adsorption sticky strip 432, the auxiliary tips 435 are arranged under the gravity center core 434, two main correcting rods 431 are arranged, the gravity center core 434 is of a spherical structure, the adsorption sticky strip 432 is made of rubber materials and has certain elasticity, the main correcting rod 431 can be properly bent when being subjected to resistance, so that the gravity center core 434 is slowly brought back to the original position and is used for assisting the gravity center core 434 to vertically downwards, and the adsorption sticky strip 432 is used for limiting the gravity center core 434 but can move.
The main straightening rod 431 comprises an inclined block 4311, a main head 4312, an elastic soft layer 4313 and a triangular return strip 4314, wherein the inclined block 4311 is located right below the triangular return strip 4314, the main head 4312 is connected with the elastic soft layer 4313, the triangular return strip 4314 is embedded inside the elastic soft layer 4313, the triangular return strip 4314 is of a trapezoidal structure, the main head 4312 is of a cylindrical structure, the inclined block 4311 is used for protecting the end of the elastic soft layer 4313, and the triangular return strip 4314 can be stressed and extruded and can also return in time after being pressed, so that the inclined block 4312 has a certain resilience.
The triangular return strip 4314 includes a pressing angle guard 43141, two support balls 43142, two bending angles 43143, a main interlayer 43144, a clamping groove 43145, and an inner rod 43146, wherein the pressing angle guard 43141 is installed inside the inner rod 43146, the support balls 43142 are connected to the main interlayer 43144, the bending angles 43143 are installed between the main interlayer 43144 and the inner rod 43146, the clamping groove 43145 is located inside the main interlayer 43144, the two support balls 43142 are provided, the two bending angles 43143 are made of rubber and have certain elasticity, the bending angles 43143 are used to protect an included angle between the two engagement bodies, the pressing angle guard 43141 can assist in returning the objects connected together, and the support balls 43142 can fix one corner of the objects when the objects are clamped, so that the objects are stressed better.
The pressure-actuated corner protector 43141 comprises an expansion bag opening a1, a groove a2 to be expanded and bonded, a pressure-assisted core a3, a main buckle layer a4 and a positioning bead a5, wherein the pressure-assisted core a3 abuts against the outer surface of the expansion bag opening a1, the pressure-assisted core a3 is connected with the main buckle layer a4, the groove a2 to be expanded and bonded is communicated with the expansion bag opening a1, the positioning bead a5 is embedded in the groove a2 to be expanded and bonded, the pressure-assisted core a3 is of a semi-arc structure, two positioning beads a5 are arranged, the pressure-assisted core a3 can better transmit the external force, and the positioning bead a5 can better prop open the groove a2 to be expanded and does not influence the retraction thereof.
The center of gravity core 434 includes a main ball 4341, a sponge top 4342, a buffering arc channel 4343, a support 4344, a positioning core 4345, and a center of gravity rolling ball 4346, wherein the buffering arc channel 4343 is embedded inside the main ball 4341, the sponge top 4342 is attached to the inner wall of the buffering arc channel 4343, the center of gravity rolling ball 4346 is embedded inside the buffering arc channel 4343, the support 4344 is connected to the main ball 4341, the other end of the support 4344 is connected to the positioning core 4345, the center of gravity rolling ball 4346 is in a spherical structure, the number of the main balls 4341 is two, the sponge top 4342 can fix the center of gravity rolling ball 4346, but does not affect the movement of the center of gravity rolling ball 4346, and the middle position of the buffering arc channel 4343 is lower to allow an object to roll into the inside better.
The specific use mode and function of the embodiment are as follows:
in the invention, when a flat cable is coiled, the hand grip 1 is rotated by external force, the wire coiling turntable 3 is driven to rotate by the extension bracket 2, the cable can rotate and be coiled along the surface of the main bracket 42, when the cable deviates, the elastic soft layer 4313 is stressed and deflects towards one side by the inclination block 4311, the main head 4312 fixes one end of the cable, the main interlayer 43144 is stressed to press the clamping groove 43145 while the elastic soft layer 4313 deflects, the pressing angle guard 43141 is stressed to press the bending angle 43143, the pressing core a3 moves inwards, the expansion bag opening a1 is pressed, gas in the expansion bag opening a1 runs into the adhesion groove a2 to be expanded, the adhesion groove a2 to be expanded expands, the main buckle layer a4 is protected, the elastic soft layer 4313 is buffered and bent, the buffering groove 2 to be expanded flows back, let it all return, make its flexible layer 4313 can promote the cable to return powerfully, its focus rolls pearl 4346 and rolls to buffering arc way 4343 bottom, carries out certain spacing to it by sponge top 4342, lets its focus continuously be located the vertically position, through adsorbing the location of gluing strip 432 to it, drives and corrects the holistic direction of spacing strip 43, lets it drive the cable return, and is more light.
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 (4)
1. The utility model provides a coiler that cable was prevented piling up and was buckled, its structure includes handle (1), extends bracket (2), receives line carousel (3), receives line axis (4), tray (5), its characterized in that:
the handle (1) is nested and movably connected with the extension bracket (2), one end of the extension bracket (2) far away from the handle (1) is welded with the wire take-up turntable (3), the left end of the wire take-up turntable (3) is vertically provided with a wire take-up center shaft (4), and one end of the wire take-up center shaft (4) far away from the wire take-up turntable (3) is connected with the tray (5);
the take-up middle shaft (4) comprises a side support (41), a main bracket (42), a correction limiting strip (43) and a rotation assisting core (44), wherein the main bracket (42) is embedded in the rotation assisting core (44) and is positioned on the same axis center, the correction limiting strip (43) is installed in the main bracket (42), and the rotation assisting core (44) is embedded in the side support (41);
the correcting and limiting strip (43) comprises a main correcting rod (431), an adsorption sticky strip (432), an inner grid (433), a gravity center core (434) and an auxiliary end head (435), wherein the main correcting rod (431) is connected with the adsorption sticky strip (432), the main correcting rod (431) is embedded into the inner grid (433), the gravity center core (434) is positioned in the adsorption sticky strip (432), and the auxiliary end head (435) is arranged under the gravity center core (434);
the main correcting rod (431) comprises an inclined block (4311), a main head (4312), an elastic soft layer (4313) and a triangular return strip (4314), wherein the inclined block (4311) is located under the triangular return strip (4314), the main head (4312) is connected with the elastic soft layer (4313), and the triangular return strip (4314) is embedded in the elastic soft layer (4313).
2. The retractor for preventing cable from being stacked and buckled according to claim 1, wherein: the triangular return strip (4314) comprises a pressing angle bead (43141), a support ball (43142), a bending angle (43143), a main interlayer (43144), a clamping groove (43145) and an inner auxiliary rod (43146), the pressing angle bead (43141) is arranged inside the inner auxiliary rod (43146), the support ball (43142) is connected with the main interlayer (43144), the bending angle (43143) is arranged between the main interlayer (43144) and the inner auxiliary rod (43146), and the clamping groove (43145) is located inside the main interlayer (43144).
3. The retractor for preventing cable from being stacked and buckled according to claim 2, wherein: the pressure-actuated corner protector (43141) comprises an expansion bag opening (a1), a groove (a2) to be expanded and bonded, a pressure-assisting core (a3), a main buckle layer (a4) and a positioning bead (a5), wherein the pressure-assisting core (a3) abuts against the outer surface of the expansion bag opening (a1), the pressure-assisting core (a3) is connected with the main buckle layer (a4), the groove (a2) to be expanded and the expansion bag opening (a1) are communicated with each other, and the positioning bead (a5) is embedded into the groove (a2) to be expanded and bonded.
4. The retractor for preventing cable from being stacked and buckled according to claim 1, wherein: the gravity center core (434) comprises a main ball (4341), a sponge top body (4342), a buffer arc channel (4343), a support body (4344), a positioning core (4345) and a gravity center rolling bead (4346), wherein the buffer arc channel (4343) is embedded in the main ball (4341), the sponge top body (4342) is attached to the inner wall of the buffer arc channel (4343), the gravity center rolling bead (4346) is embedded in the buffer arc channel (4343), the support body (4344) is connected with the main ball (4341), and the other end of the support body (4344) is connected with the positioning core (4345).
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201910295481.6A CN109941820B (en) | 2019-04-12 | 2019-04-12 | Cable is prevented piling up coiler that bends |
CN202011581910.5A CN112660920A (en) | 2019-04-12 | 2019-04-12 | Cable retractor and using method |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201910295481.6A CN109941820B (en) | 2019-04-12 | 2019-04-12 | Cable is prevented piling up coiler that bends |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202011581910.5A Division CN112660920A (en) | 2019-04-12 | 2019-04-12 | Cable retractor and using method |
Publications (2)
Publication Number | Publication Date |
---|---|
CN109941820A CN109941820A (en) | 2019-06-28 |
CN109941820B true CN109941820B (en) | 2021-03-09 |
Family
ID=67015027
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201910295481.6A Active CN109941820B (en) | 2019-04-12 | 2019-04-12 | Cable is prevented piling up coiler that bends |
CN202011581910.5A Withdrawn CN112660920A (en) | 2019-04-12 | 2019-04-12 | Cable retractor and using method |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202011581910.5A Withdrawn CN112660920A (en) | 2019-04-12 | 2019-04-12 | Cable retractor and using method |
Country Status (1)
Country | Link |
---|---|
CN (2) | CN109941820B (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110428743B (en) * | 2019-07-02 | 2021-05-18 | 绍兴正开智能设备有限公司 | Be applied to cinema and prevent external impact wobbling linking LED lamp plate |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2006347660A (en) * | 2005-06-14 | 2006-12-28 | Toyox Co Ltd | Bobbin for long object winding machine and long object winding machine with the same |
CN202464950U (en) * | 2011-12-28 | 2012-10-03 | 东莞市蓝姆材料科技有限公司 | Thin-belted winding reel with outwards-leaning safe edges |
CN208413517U (en) * | 2018-07-16 | 2019-01-22 | 保定市宝鑫镁纸制造有限公司 | A kind of paper roll of self-locking function |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19533833B4 (en) * | 1995-09-13 | 2004-08-05 | Saurer Gmbh & Co. Kg | Cross-wound bobbin changing device of a cross-wound bobbin textile machine |
CN102602725A (en) * | 2012-02-13 | 2012-07-25 | 蚌埠市振华包装机械有限责任公司 | Limiting device of paperboard conveying workbench |
JP5802708B2 (en) * | 2013-07-02 | 2015-10-28 | 株式会社フジクラ | Optical fiber terminal fixture for winding optical fiber and optical fiber winding method |
WO2015047893A1 (en) * | 2013-09-27 | 2015-04-02 | Corning Optical Communications LLC | Spool apparatus and methods of winding a length of cable |
CN106672691A (en) * | 2017-02-07 | 2017-05-17 | 安徽鹰龙工业设计有限公司 | Winding device for cable production and machining |
CN207903586U (en) * | 2017-09-11 | 2018-09-25 | 戴文斌 | A kind of wrap-up of non-woven fabric processing |
CN108083011A (en) * | 2018-01-17 | 2018-05-29 | 国网江苏省电力有限公司检修分公司 | A kind of ground wire winding device |
-
2019
- 2019-04-12 CN CN201910295481.6A patent/CN109941820B/en active Active
- 2019-04-12 CN CN202011581910.5A patent/CN112660920A/en not_active Withdrawn
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2006347660A (en) * | 2005-06-14 | 2006-12-28 | Toyox Co Ltd | Bobbin for long object winding machine and long object winding machine with the same |
CN202464950U (en) * | 2011-12-28 | 2012-10-03 | 东莞市蓝姆材料科技有限公司 | Thin-belted winding reel with outwards-leaning safe edges |
CN208413517U (en) * | 2018-07-16 | 2019-01-22 | 保定市宝鑫镁纸制造有限公司 | A kind of paper roll of self-locking function |
Also Published As
Publication number | Publication date |
---|---|
CN112660920A (en) | 2021-04-16 |
CN109941820A (en) | 2019-06-28 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JP5064739B2 (en) | Manipulator mechanism | |
CN109941820B (en) | Cable is prevented piling up coiler that bends | |
CN105170701B (en) | A kind of strap rolling-assisting device | |
CN112027794A (en) | Equipment for winding optical fiber cable | |
JP3148557U (en) | Uncoiler | |
CN113020317B (en) | Thick metal strip's play book auxiliary device | |
CN109911289B (en) | Copper strips packing frock | |
CN213037182U (en) | Angle-adjustable winding and unwinding device | |
CN114516565A (en) | Copper line unwinding device of area buffering | |
CN211895567U (en) | Stethoscope convenient to rolling | |
CN214989402U (en) | Metal strip coiling device | |
CN113617914B (en) | Marine steel pipe stamping device | |
CN113020316B (en) | Sleeve winding device | |
CN219429259U (en) | Cloth rolling equipment with adjustable | |
CN214527103U (en) | Fixed effectual metal coil unwinding device | |
CN220465283U (en) | Intelligent charging mechanism | |
CN208408213U (en) | Aluminium foil Telescopic air pipe forming device | |
CN211390127U (en) | Coiled material design stretching device | |
CN217616922U (en) | Unwinding roller with adjustable size | |
JP2003245716A (en) | Device for winding metal strip | |
JP4058356B2 (en) | Greenhouse film opener | |
CN211870901U (en) | Blanking device | |
CN216807478U (en) | Constant-tension winding device for grouped ultrathin aluminum alloy strips | |
CN219659293U (en) | Threading device | |
CN216233718U (en) | Medical treatment camera hang placer |
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: 20210222 Address after: 523465 No.1, Xicheng Industrial Zone, Shiyong village, Hengli Town, Dongguan City, Guangdong Province Applicant after: TRI WIRE TECHNOLOGY Co.,Ltd. Address before: 362300 1st floor, South Wuhua garden, Shanmei village, Xiamei Town, Nan'an City, Quanzhou City, Fujian Province Applicant before: NAN'AN QIYIN MACHINERY TECHNOLOGY Co.,Ltd. |
|
TA01 | Transfer of patent application right | ||
GR01 | Patent grant | ||
GR01 | Patent grant |