CN113351912A - Drilling device for angle steel and channel steel - Google Patents
Drilling device for angle steel and channel steel Download PDFInfo
- Publication number
- CN113351912A CN113351912A CN202110916111.7A CN202110916111A CN113351912A CN 113351912 A CN113351912 A CN 113351912A CN 202110916111 A CN202110916111 A CN 202110916111A CN 113351912 A CN113351912 A CN 113351912A
- Authority
- CN
- China
- Prior art keywords
- drilling
- workbench
- support
- gear
- angle steel
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B41/00—Boring or drilling machines or devices specially adapted for particular work; Accessories specially adapted therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q1/00—Members which are comprised in the general build-up of a form of machine, particularly relatively large fixed members
- B23Q1/25—Movable or adjustable work or tool supports
- B23Q1/26—Movable or adjustable work or tool supports characterised by constructional features relating to the co-operation of relatively movable members; Means for preventing relative movement of such members
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Drilling And Boring (AREA)
Abstract
The invention discloses a drilling device for angle steel and channel steel, which belongs to the field of drilling machine equipment and comprises a workbench, a workbench support, an adjusting mechanism, a drilling support and two drilling components arranged on the drilling support; the workbench is rotatably arranged on the workbench support; the drilling support comprises two annular first support frames and a connecting plate for connecting the two first support frames, a base is arranged at the bottom of the drilling assembly, and the base is sleeved on the two first support frames; the adjusting mechanism can drive the drilling assembly to rotate around a central shaft of the first support frame; the drilling device disclosed by the invention can be used for drilling the channel steel and the angle steel and simultaneously drilling two side walls of the channel steel or the angle steel, so that the time for replacing positions is reduced compared with a drilling machine in the prior art, and the working efficiency is improved.
Description
Technical Field
The invention relates to the field of drilling machine equipment, in particular to a drilling device for angle steel and channel steel.
Background
For easy to assemble at steel construction installation's in-process, need drill hole to two walls of angle steel, channel-section steel, drilling machine among the prior art only has a drilling station, once only can drill hole to a wall of angle steel or channel-section steel, need carry out the clamping to angle steel or channel-section steel again, just can accomplish the drilling work to two walls of channel-section steel or angle steel, consequently need design one kind can be simultaneously to the drilling equipment of two walls drilling of angle steel or channel-section steel.
Disclosure of Invention
The invention provides a drilling device for angle steel and channel steel, which can solve the problems pointed out in the background technology.
A drilling device for angle steel and channel steel comprises a workbench, a workbench support, an adjusting mechanism, a drilling support and two drilling assemblies arranged on the drilling support; the workbench is rotatably arranged on the workbench support; the drilling support comprises two annular first support frames and a connecting plate for connecting the two first support frames, a base is arranged at the bottom of the drilling assembly, and the base is sleeved on the two first support frames; the adjusting mechanism can drive the drilling assembly to rotate around a central shaft of the first support frame; the workbench is in transmission connection with the adjusting mechanism through a transmission mechanism, and when the adjusting mechanism drives the drilling assemblies to rotate, the workbench can synchronously rotate with one of the drilling assemblies.
Preferably, the adjusting mechanism comprises two first gear rings and two first driving mechanisms respectively used for driving the two first gear rings to rotate; the two gear rings are respectively and rotatably arranged on the two first support frames, and the bases of the two drilling assemblies are respectively and fixedly connected with the two first gear rings; the first driving mechanism comprises a first motor and a first gear arranged on an output shaft of the first motor, and the first gear is meshed with the first gear ring.
One of the driving mechanisms is in transmission connection with the workbench through the transmission mechanism.
Preferably, the workbench comprises two square cylindrical supporting tables and a connecting rod for connecting the two supporting tables.
The transmission mechanism comprises two transmission wheels and a transmission belt arranged on the two transmission wheels, and the two transmission wheels are respectively arranged on the connecting rod and an output shaft of the first motor.
Preferably, the drilling assembly comprises a drilling machine and a plurality of guide rods arranged on the outer wall of the drilling machine, a plurality of through holes matched with the plurality of guide rods are formed in the base, and the guide rods are further sleeved with return springs.
Preferably, the drilling device further comprises a pushing mechanism for pushing the drilling assembly to perform drilling work, the pushing mechanism comprises a second support frame, a second gear ring rotationally arranged on the second support frame, an arc-shaped jacking block arranged on one side of the second gear ring and a second driving mechanism for driving the second gear ring to rotate, the second driving mechanism comprises a second motor and a second gear arranged on an output shaft of the second motor, and the second gear is in meshed connection with the second gear ring; when the second gear ring rotates, the top block can abut against the drilling assembly and enables the drilling assembly to move in the direction perpendicular to the base.
Preferably, the top of the drilling assembly is provided with a roller, and when the gear ring II rotates, the top block can abut against the roller.
The better still includes a fixed establishment, fixed establishment includes two fixed groups that the symmetry set up, fixed group includes the cylinder and sets up the flexible clamp splice of serving of cylinder, seted up on the clamp splice with the edges and corners matched with recess of workstation.
Compared with the prior art, the invention has the beneficial effects that: the drilling device disclosed by the invention can be used for drilling the channel steel and the angle steel and can also be used for simultaneously drilling two side walls of the channel steel or the angle steel, so that the time for replacing positions is reduced and the working efficiency is improved compared with a drilling machine in the prior art.
Drawings
Fig. 1 is a schematic structural view of the angle steel drilling tool.
Fig. 2 is a schematic structural view of the channel steel during drilling.
Fig. 3 is a side view of the present invention.
Fig. 4 is a schematic structural diagram of the fixing mechanism of the present invention.
Description of reference numerals: 1. the drilling machine comprises a workbench 2, a workbench support 3, a first support frame 4, a base 5, a first gear ring 6, a first motor 7, a first gear 8, a transmission wheel 9, a transmission belt 11, a drilling machine 12, a guide rod 13, a reset spring 21, a second support frame 22, a second gear ring 23, a top block 24, a second motor 25, a second gear 26, a roller 14, a clamping block 15 and a cylinder.
Detailed Description
An embodiment of the present invention will be described in detail below with reference to the accompanying drawings, but it should be understood that the scope of the present invention is not limited to the embodiment.
As shown in fig. 1 to 4, a drilling device for angle steel and channel steel provided by an embodiment of the present invention includes a workbench 1, a workbench support 2, an adjusting mechanism, a drilling support, and two drilling assemblies disposed on the drilling support; the workbench 1 is rotatably arranged on the workbench support 2.
As shown in fig. 1, the drilling support comprises two annular support frames one 3 and a connecting plate for connecting the two support frames one 3, a base 4 is arranged at the bottom of the drilling assembly, and the base 4 is sleeved on the two support frames one 3.
The adjusting mechanism can drive the drilling assemblies to rotate around the central shaft of the first support frame 3, and the rotating directions of the two drilling assemblies are opposite.
The workbench 1 is in transmission connection with the adjusting mechanism through a transmission mechanism, and when the adjusting mechanism drives the drilling assembly to rotate, the workbench 1 can rotate synchronously with one of the drilling assemblies.
The adjusting mechanism comprises two first gear rings 5 and two first driving mechanisms respectively used for driving the two first gear rings 5 to rotate.
The two gear rings I5 are respectively and rotatably arranged on the two support frames I3, and the bases 4 of the two drilling assemblies are respectively and fixedly connected with the two gear rings I5.
The first driving mechanism comprises a first motor 6 and a first gear 7 arranged on an output shaft of the first motor 6, and the first gear 7 is in meshed connection with the first gear ring 5.
One of the driving mechanisms is in transmission connection with the workbench 1 through the transmission mechanism.
The workbench 1 comprises two square column-shaped supporting tables and a connecting rod for connecting the two supporting tables, the outer diameter of the connecting rod is smaller than that of the supporting tables, and when punching is carried out, a drill bit of the drilling machine 11 cannot be in contact with the connecting rod.
The transmission mechanism comprises two transmission wheels 8 and a transmission belt 9 arranged on the two transmission wheels 8, and the two transmission wheels 8 are respectively arranged on the connecting rod and an output shaft of a motor I6 of the adjusting mechanism.
Under drive mechanism's effect, the variation in size of two drive wheels 8, drilling subassembly and workstation 1 can the same angle of synchronous rotation, when drilling to the angle steel, workstation 1 can be rotated 45 degrees to edges and corners up by the plane, so that with the shape fit of angle steel, drilling subassembly also rotates the position to perpendicular to angle steel lateral wall in step, when drilling to the channel-section steel, workstation 1 is rotated 45 degrees to plane up by edges and corners up, so that with the shape fit of channel-section steel, drilling subassembly also rotates 45 degrees to the lateral wall of perpendicular to channel-section steel.
The drilling assembly comprises a drilling machine 11 and a plurality of guide rods 12 arranged on the outer wall of the drilling machine 11, a plurality of through holes matched with the guide rods 12 are formed in the base 4, the guide rods 12 are further sleeved with return springs 13, and the drilling machine 11 is the existing drilling equipment and is not described herein any more.
Still including being used for promoting the drilling subassembly carries out the pushing mechanism of drilling work, pushing mechanism includes two 21, the rotation setting of support frame two 22, the setting on two 21 of support frame are in the arc kicking block 23 of two 22 one sides of ring gear and be used for the drive two 22 pivoted actuating mechanism two of ring gear, actuating mechanism two includes two 24 of motors and sets up two 24 epaxial gear 25 of output of motor, two 25 of gears with two 22 meshing of ring gear are connected.
When the second gear ring 22 rotates, the top block 23 can abut against the drilling assembly and enable the drilling assembly to move in a direction perpendicular to the base 4.
During drilling, the second gear ring 22 does not rotate for a full circle, but rotates back and forth within a certain range.
The top of drilling subassembly is provided with a gyro wheel 26, works as when ring gear two 22 rotates, kicking block 23 can contradict on gyro wheel 26, gyro wheel 26 rotates the top that sets up at drilling subassembly, can make drilling subassembly remove along the direction of guide bar 12 length when kicking block 23 contradicts on gyro wheel 26 to carry out drilling work to angle steel or channel-section steel.
The angle steel drilling fixture comprises a workbench 1, and is characterized by further comprising a fixing mechanism, wherein the fixing mechanism comprises two fixing groups which are symmetrically arranged, each fixing group comprises a cylinder 15 and a clamping block 14 arranged at the telescopic end of the cylinder 15, grooves matched with edges and corners of the workbench 1 are formed in the clamping block 14, the fixing mechanism is used for fixing the workbench 1 and preventing the workbench 1 from shaking and rotating, the angle steel drilling fixture is further provided with a controller, the controller is electrically connected with a motor I6 and the cylinders 15, when the motor I6 works, the controller controls the cylinders 15 to contract, namely, the fixing of the workbench 1 is released, when the motor I6 stops working, the controller controls the cylinders 15 to extend, namely, the clamping blocks 14 are pushed to abut against the workbench 1 to complete the fixing of the workbench 1, the grooves in the clamping blocks 14 can be matched with the edges and corners of the workbench 1, and the workbench 1 in a drilling working state is fixed, and the working table 1 in the working state of channel steel drilling is fixed.
The working process is as follows: when drilling the angle steel, start two motors 6 earlier, drive two ring gear 5 rotations under the effect of gear 7, thereby make drilling subassembly rotate to the position department to the angle steel drilling, at ring gear 5 pivoted in-process, under drive mechanism's effect, workstation 1 is rotated to the edges and corners upwards by the plane, the staff places the angle steel on workstation 1, starter motor two 24 next, drive ring gear two 22 rotation under the effect of gear two 25, at ring gear two 22 pivoted in-process, kicking block 23 is contradicted on gyro wheel 26, make drilling subassembly along guide bar 12 downstream, until accomplishing drilling work.
When needs switch over to the channel-section steel when drilling, starter motor 6, under gear 7 and drive mechanism's effect, two drilling subassemblies and 1 rotation once more of workstation for workstation 1 truns into the plane up by the edges and corners up can, the staff places the channel-section steel on it can starter motor two 24 promote the drilling subassembly and carry out drilling work.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should make the description as a whole, and the embodiments may be appropriately combined to form other embodiments understood by those skilled in the art.
Claims (7)
1. A drilling device for angle steel and channel steel is characterized by comprising a workbench, a workbench support, an adjusting mechanism, a drilling support and two drilling assemblies arranged on the drilling support;
the workbench is rotatably arranged on the workbench support;
the drilling support comprises two annular first support frames and a connecting plate for connecting the two first support frames, a base is arranged at the bottom of the drilling assembly, and the base is sleeved on the two first support frames;
the adjusting mechanism can drive the drilling assembly to rotate around a central shaft of the first support frame;
the workbench is in transmission connection with the adjusting mechanism through a transmission mechanism, and when the adjusting mechanism drives the drilling assemblies to rotate, the workbench can synchronously rotate with one of the drilling assemblies.
2. The drilling device for the angle steel and the channel steel as claimed in claim 1, wherein the adjusting mechanism comprises two first gear rings and two first driving mechanisms for driving the two first gear rings to rotate respectively;
the two gear rings are respectively and rotatably arranged on the two first support frames, and the bases of the two drilling assemblies are respectively and fixedly connected with the two first gear rings;
the first driving mechanism comprises a first motor and a first gear arranged on an output shaft of the first motor, and the first gear is in meshed connection with the first gear ring;
one of the driving mechanisms is in transmission connection with the workbench through the transmission mechanism.
3. The drilling apparatus for angle iron and channel iron as claimed in claim 2, wherein said worktable comprises two square column shaped supporting platforms and a connecting rod for connecting said two supporting platforms;
the transmission mechanism comprises two transmission wheels and a transmission belt arranged on the two transmission wheels, and the two transmission wheels are respectively arranged on the connecting rod and an output shaft of the first motor.
4. The drilling device for the angle steel and the channel steel as claimed in claim 1, wherein the drilling assembly comprises a drilling machine and a plurality of guide rods arranged on the outer wall of the drilling machine, a plurality of through holes matched with the guide rods are formed in the base, and a return spring is further sleeved on the guide rods.
5. The drilling device for the angle steel and the channel steel as claimed in claim 1, further comprising a pushing mechanism for pushing the drilling assembly to perform drilling work, wherein the pushing mechanism comprises a second support frame, a second gear ring rotatably arranged on the second support frame, an arc-shaped top block arranged on one side of the second gear ring, and a second driving mechanism for driving the second gear ring to rotate, the second driving mechanism comprises a second motor and a second gear arranged on an output shaft of the second motor, and the second gear is in meshed connection with the second gear ring;
when the second gear ring rotates, the top block can abut against the drilling assembly and enables the drilling assembly to move in the direction perpendicular to the base.
6. The drilling device for angle steel and channel steel as claimed in claim 5, wherein the top of the drilling assembly is provided with a roller, and when the gear ring II rotates, the top block can abut against the roller.
7. The drilling device for the angle steel and the channel steel as claimed in claim 1, further comprising a fixing mechanism, wherein the fixing mechanism comprises two fixing groups which are symmetrically arranged, each fixing group comprises an air cylinder and a clamping block arranged on the telescopic end of the air cylinder, and grooves matched with edges and corners of the workbench are formed in the clamping blocks.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110916111.7A CN113351912B (en) | 2021-08-11 | 2021-08-11 | Drilling device for angle steel and channel steel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110916111.7A CN113351912B (en) | 2021-08-11 | 2021-08-11 | Drilling device for angle steel and channel steel |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113351912A true CN113351912A (en) | 2021-09-07 |
| CN113351912B CN113351912B (en) | 2021-11-05 |
Family
ID=77522949
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110916111.7A Active CN113351912B (en) | 2021-08-11 | 2021-08-11 | Drilling device for angle steel and channel steel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113351912B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113928449A (en) * | 2021-11-11 | 2022-01-14 | 丰县飞洋金属制品有限公司 | Adjustable automatic seat of electric vehicle |
| CN114083057A (en) * | 2021-12-20 | 2022-02-25 | 丰县飞洋金属制品有限公司 | Be used for metal pipe fittings to calibrate prosthetic devices |
| CN115194212A (en) * | 2022-09-16 | 2022-10-18 | 江苏四方锅炉有限公司 | Boiler tube boring device |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102009013108A1 (en) * | 2009-03-13 | 2010-09-16 | Metabowerke Gmbh | Electric motor driven screwing or drilling tool |
| CN204339351U (en) * | 2014-12-01 | 2015-05-20 | 中铁山桥集团有限公司 | A kind of reversible angle steel drill jig |
| CN205097279U (en) * | 2015-11-16 | 2016-03-23 | 三峡大学 | Small -size plastics pipe puncher |
| CN205129009U (en) * | 2015-12-07 | 2016-04-06 | 新昌县华雄机械有限公司 | Angle steel plate's boring grab |
| CN110576476A (en) * | 2019-09-27 | 2019-12-17 | 宋志龙 | Double-layer overlapped PCB (printed circuit board) hole forming process equipment and process method thereof |
| CN111250754A (en) * | 2020-02-12 | 2020-06-09 | 闻应乾 | Novel multi-station drilling machine |
| CN212070490U (en) * | 2020-04-24 | 2020-12-04 | 重庆市宇弘电力设备有限公司 | Device is used in angle steel processing |
| CN212469120U (en) * | 2020-05-28 | 2021-02-05 | 天津市神州通钢管有限公司 | A oil casing cleaning equipment for high frequency annealing machine |
| CN112388009A (en) * | 2020-10-27 | 2021-02-23 | 合肥龙智机电科技有限公司 | Drilling equipment is used in municipal administration public works construction |
| CN112431555A (en) * | 2020-11-11 | 2021-03-02 | 陶寿松 | Drilling device |
| CN113070949A (en) * | 2021-05-12 | 2021-07-06 | 黄书亚 | Automatic wood processing equipment and processing method |
-
2021
- 2021-08-11 CN CN202110916111.7A patent/CN113351912B/en active Active
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102009013108A1 (en) * | 2009-03-13 | 2010-09-16 | Metabowerke Gmbh | Electric motor driven screwing or drilling tool |
| CN204339351U (en) * | 2014-12-01 | 2015-05-20 | 中铁山桥集团有限公司 | A kind of reversible angle steel drill jig |
| CN205097279U (en) * | 2015-11-16 | 2016-03-23 | 三峡大学 | Small -size plastics pipe puncher |
| CN205129009U (en) * | 2015-12-07 | 2016-04-06 | 新昌县华雄机械有限公司 | Angle steel plate's boring grab |
| CN110576476A (en) * | 2019-09-27 | 2019-12-17 | 宋志龙 | Double-layer overlapped PCB (printed circuit board) hole forming process equipment and process method thereof |
| CN111250754A (en) * | 2020-02-12 | 2020-06-09 | 闻应乾 | Novel multi-station drilling machine |
| CN212070490U (en) * | 2020-04-24 | 2020-12-04 | 重庆市宇弘电力设备有限公司 | Device is used in angle steel processing |
| CN212469120U (en) * | 2020-05-28 | 2021-02-05 | 天津市神州通钢管有限公司 | A oil casing cleaning equipment for high frequency annealing machine |
| CN112388009A (en) * | 2020-10-27 | 2021-02-23 | 合肥龙智机电科技有限公司 | Drilling equipment is used in municipal administration public works construction |
| CN112431555A (en) * | 2020-11-11 | 2021-03-02 | 陶寿松 | Drilling device |
| CN113070949A (en) * | 2021-05-12 | 2021-07-06 | 黄书亚 | Automatic wood processing equipment and processing method |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113928449A (en) * | 2021-11-11 | 2022-01-14 | 丰县飞洋金属制品有限公司 | Adjustable automatic seat of electric vehicle |
| CN114083057A (en) * | 2021-12-20 | 2022-02-25 | 丰县飞洋金属制品有限公司 | Be used for metal pipe fittings to calibrate prosthetic devices |
| CN115194212A (en) * | 2022-09-16 | 2022-10-18 | 江苏四方锅炉有限公司 | Boiler tube boring device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN113351912B (en) | 2021-11-05 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN113351912B (en) | Drilling device for angle steel and channel steel | |
| CN209986257U (en) | Convenient automobile parts's that removes positioner that punches | |
| CN207234628U (en) | A kind of assembling device of rotor and armature spindle with the turning function that presses | |
| CN116441595B (en) | Prestressed anchor plate processing and drilling machine tool | |
| CN110653949A (en) | Stone grooving machine | |
| CN203542323U (en) | Full-automatic elbow polishing machine | |
| CN202447879U (en) | Assembly production line for forklift transmissions | |
| CN114310359A (en) | High-precision positioning turntable and processing technology thereof | |
| CN116441849B (en) | Clamping table for assembling supporting component of steel pipe tower for power transmission | |
| CN211276815U (en) | Thin-wall face gear machining clamp | |
| CN110539267A (en) | Machining tool for automobile oil pipe joint | |
| CN216066563U (en) | Energy-saving plate cutting device for architectural decoration | |
| CN105382537A (en) | Manufacturing device for cable fixing terminal | |
| CN113319329B (en) | Intelligent automatic slotting device | |
| CN110723703B (en) | Ultra-large bearing pose changing mechanism | |
| CN110034641B (en) | Stator coil shaping device | |
| CN210482298U (en) | Continuous piling device | |
| CN219960341U (en) | Iron core round jig | |
| CN220783727U (en) | Gear rapid assembling device for machining | |
| CN214978946U (en) | Universal rotary tire for steel pipe column and H-shaped steel column | |
| CN220992874U (en) | Hole processing device of shaft sleeve | |
| CN117359307B (en) | Panel drilling cutting combination machine | |
| CN220334050U (en) | Production line transmission device for printed matter processing | |
| CN221269536U (en) | Cable processing centre gripping coalignment | |
| CN212264582U (en) | Improved bridge pile flange machining equipment |
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 | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |