CN217541846U - Thread detection equipment - Google Patents
Thread detection equipment Download PDFInfo
- Publication number
- CN217541846U CN217541846U CN202221134191.7U CN202221134191U CN217541846U CN 217541846 U CN217541846 U CN 217541846U CN 202221134191 U CN202221134191 U CN 202221134191U CN 217541846 U CN217541846 U CN 217541846U
- Authority
- CN
- China
- Prior art keywords
- lifting
- detection
- guide
- thread
- screw
- 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
Landscapes
- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
Abstract
The utility model provides a thread detection device, which comprises a bracket, a workbench, a lifting device and a thread detection device, wherein one side of the workbench is fixedly arranged at one end of the bracket, one side of the workbench facing the other end of the bracket is provided with a workpiece to be detected, and the workpiece comprises a threaded hole; the lifting device comprises a lifting motor, a lifting block and a lifting mounting plate; the lifting block is fixedly connected with the lifting mounting plate; the lifting motor is fixedly arranged on the bracket and drives the lifting block to move back and forth from one end of the bracket to the other end of the bracket; the thread detection device comprises a detection motor and a detection screw rod; the detection motor is fixedly arranged on the lifting mounting plate; the output end of the detection motor is in transmission connection with one end of the detection screw rod, the other end of the detection screw rod is aligned to the threaded hole, the detection standards of the equipment are unified, the detection of a plurality of threaded holes can be completed simultaneously, and the detection efficiency of a single threaded hole is high.
Description
Technical Field
The utility model relates to a machine-building technical field, specifically speaking relates to a screw thread check out test set.
Background
The matching of the internal thread and the external thread is commonly used in the mechanical manufacturing, and the machining difficulty of the internal thread is far more than that of the external thread according to the common knowledge of the mechanical manufacturing, so that the qualification rate of the internal thread is lower, once the internal thread is unqualified, the assembly precision is reduced, and the quality and the reliability of the whole product are influenced.
In the industrial production manufacturing, the screw thread can be used after being detected and verified, the traditional screw thread detection adopts manual detection, the manual detection of the screw thread is time-consuming and labor-consuming, the detection standard can not be unified, and a large amount of unqualified products can still be doped in the screw thread detection.
Therefore, a screw thread detection device with uniform detection standard and high detection efficiency is needed in the field.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model provides a screw thread check out test set, this screw thread check out test set standard is unified, and detection effect is better, and detection efficiency is high.
The technical scheme of the utility model is realized like this: a thread detection device comprises a support, a workbench, a lifting device and a thread detection device, wherein one surface of the workbench is fixedly arranged at one end of the support, one surface of the workbench, facing the other end of the support, is provided with a workpiece to be detected, and the workpiece comprises a threaded hole; the lifting device comprises a lifting motor, a lifting block and a lifting mounting plate; the lifting block is fixedly connected with the lifting mounting plate; the lifting motor is fixedly arranged on the bracket and drives the lifting block to move back and forth from one end of the bracket to the other end of the bracket; the thread detection device comprises a detection motor and a detection screw rod; the detection motor is fixedly arranged on the lifting mounting plate; the output end of the detection motor is in transmission connection with one end of the detection screw rod, and the other end of the detection screw rod is aligned to the threaded hole.
On the basis of the technical scheme, preferably, the thread detection device further comprises a transfer case, a pressing ratchet wheel and a connecting flange; the power input end of the transfer case is connected with the output end of the detection motor, the power output end of the transfer case is in transmission connection with the pressing ratchet wheel, and the connecting flange is arranged between the pressing ratchet wheel and the detection screw rod.
On the basis of above technical scheme, it is preferred, screw thread detection device still includes the layer board, and the layer board is fixed to be set up on the lift mounting panel, and the layer board includes the via hole, and the internal diameter of via hole is less than flange's external diameter, and flange's one end is kept away from to the detection screw rod passes the via hole.
On the basis of the technical scheme, preferably, the thread detection device further comprises a detection guide device, and the detection guide device comprises a detection guide column, a detection guide fixing seat and a detection guide sleeve; detect guide post one end and detection direction fixing base fixed connection, the other end slides and cup joints in detecting the uide bushing, detects that the direction fixing base is fixed to be set up on the lift mounting panel, detects that the uide bushing is fixed to be set up on the support.
On the basis of the above technical solution, preferably, the thread detection device further includes a detection contact and a detection sensor; the detection contact is aligned with the threaded hole and arranged on one side of the workpiece, which is far away from the detection screw rod; the detection sensor is arranged on one side, far away from the workpiece, of the workbench, and the detection contact penetrates through the workbench and is matched with the detection sensor.
On the basis of the technical scheme, preferably, the workbench comprises a high-pressure air outlet, the high-pressure air outlet is arranged between the workpiece and the workbench, and the high-pressure air outlet is arranged towards the detection contact.
On the basis of the technical scheme, preferably, the lifting device further comprises a lifting screw, the output end of the lifting motor is connected with one end of the lifting screw, and the lifting screw is matched with the lifting block through threads.
On the basis of the technical scheme, preferably, the lifting device further comprises a lifting fixing plate and two lifting screw seats; the lifting fixing plate is fixedly arranged on the support, the lifting fixing plate is located on one side, away from the lifting mounting plate, of the lifting screw, the two lifting screw seats are fixedly arranged on the lifting fixing plate, the lifting screw penetrates through the two lifting screw seats, one of the lifting screw seats is arranged at one end, away from the lifting motor, of the lifting screw, and the other lifting screw seat is arranged between the lifting motor and the lifting block.
On the basis of the above technical scheme, preferably, the lifting device further comprises a lifting guide device, the lifting guide device is arranged between the lifting mounting plate and the lifting fixing plate, the lifting guide device comprises a lifting guide pillar and a lifting guide block, the lifting guide block is slidably arranged on the lifting guide pillar, and the lifting guide block guides the lifting mounting plate in the process of reciprocating motion of the lifting mounting plate along the length direction of the support.
On the basis of the above technical scheme, preferably, the lifting guide device further comprises two lifting guide seats, wherein one lifting guide seat is fixedly arranged at one end of the lifting guide column, the other lifting guide seat is fixedly arranged at the other end of the lifting guide column, and the two lifting guide seats are both fixedly arranged on the lifting fixing plate; the lifting guide pillar and the lifting screw rod are arranged in parallel, and the lifting guide block is fixedly arranged on the lifting mounting plate.
The utility model discloses a screw thread check out test set has following beneficial effect for prior art:
(1) The lifting device and the detection motor act simultaneously, so that mechanical detection is realized, and the detection efficiency is improved;
(2) The transfer case is added, so that the simultaneous detection of a plurality of threaded holes can be realized, and the detection efficiency is further improved;
(3) The ratchet wheel is pressed, so that the detection safety is improved, and the risk that the detection screw is damaged due to unqualified threaded holes in the detection process is avoided;
(4) The supporting plate protects the detection screw, and then the through hole is matched with the flange, so that the detection screw is prevented from penetrating through the threaded hole to damage the workbench;
(5) The detection guide device avoids shaking in the detection process to influence the detection result or damage equipment;
(6) The detection contact is matched with the detection sensor, when the detection screw rod smoothly passes through the threaded hole and then extrudes the detection contact, the detection contact triggers the detection sensor to prompt that the detection is successful;
(7) The high-pressure air outlet blows off impurities or particles on the workbench, and the phenomenon that the impurities or the particles influence the flatness of the workbench to the greatest extent and influence the detection result is avoided.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a perspective view of a thread detecting apparatus of the present invention;
fig. 2 is a perspective view of the thread detecting device of the present invention;
FIG. 3 is a schematic diagram of a portion of the structure of FIG. 2 according to the present invention;
FIG. 4 is a perspective view of the working table of the present invention;
fig. 5 is a cross-sectional view of the present invention in fig. 2;
fig. 6 is a perspective view of the work table and the work piece of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work all belong to the protection scope of the present invention.
As shown in fig. 1 to 6, a thread detecting apparatus includes a support 1, a table 2, a lifting device 3, a thread detecting device 4, a workpiece 5, an operation table 6, and a protective cover 7.
As shown in fig. 1, the support 1 is fixedly disposed on the operation table 6, and the protection cover 7 is fixedly disposed on the operation table 6.
As shown in fig. 1 and fig. 2, 4, and 6, the working table 2 is fixedly disposed at one end of the support 1, a workpiece 5 to be detected is placed on one surface of the working table 2 facing the other end of the support 1, and the workpiece 5 includes a threaded hole 51.
In order to improve the detection accuracy, as a preferred embodiment, the workbench 2 further comprises a high-pressure air outlet 21, the high-pressure air outlet 21 is arranged between the workpiece 5 and the workbench 2, the high-pressure air outlet 21 is arranged towards the detection contact 48, the high-pressure air outlet 21 blows off particles on the workbench 2, and the particles are prevented from affecting the flatness of the workbench 2.
The thread detecting device 4, as shown in fig. 2, includes a detecting motor 41, a detecting screw 42, a transfer case 43, a pressing ratchet 44, and a connecting flange 45.
The power input end of the transfer case 43 is connected with the output end of the detection motor 41, the power output end of the transfer case 43 is in transmission connection with the pressing ratchet wheel 44, the connecting flange 45 is arranged between the pressing ratchet wheel 44 and the detection screw rod 42, the transfer case 43 is used for converting the single input end of the detection motor 41 into a plurality of output ends, three output ends are taken as an example in the embodiment, therefore, the detection screw rod 42, the pressing ratchet wheel 44 and the connecting flange 45 in the embodiment comprise three output ends, and as the detection processes of the power output by the transfer case 43 and the thread are completely the same, only one of the detection processes is explained later.
In order to detect the threaded hole 51, as a preferred embodiment, one end of the detection screw 42 away from the connecting flange 45 is aligned with the threaded hole 51, and the detection of the threaded hole 51 is completed by the alignment of the detection screw 42 with the end of the threaded hole 51.
The thread detection device 4 further comprises a supporting plate 46, the supporting plate 46 is fixedly arranged on the lifting mounting plate 33, the detection motor 41 is fixedly arranged on the lifting mounting plate 33, the supporting plate 46 comprises a through hole 461, the inner diameter of the through hole 461 is smaller than the outer diameter of the connecting flange 45, one end, far away from the connecting flange 45, of the detection screw 42 penetrates through the through hole 461, and the thread detection device 4 is fixedly arranged on the lifting mounting plate 33, so that the lifting of the thread detection device 4 is controlled by the lifting device 3, and the situation that the detection screw 42 penetrates through the threaded hole 51 to exceed the expectation in the detection process and damages the workbench 2 is avoided.
In order to improve the accuracy in the thread detection process and avoid the influence of external vibration, as a preferred embodiment, the thread detection device 4 further includes a detection guide device 47, and the detection guide device 47 plays a role in guiding the detection process of the threaded hole 51.
In order to minimize the external influence, it is further preferable that the inspection guide 47 includes two, one of which is disposed at one side of the table 2, and the other inspection guide 47 is disposed at the other side of the table 2, and the two inspection guides 47 make the inspection process of the entire screw hole 51 more stable.
The detection guide device 47 comprises a detection guide column 471, a detection guide fixing seat 472 and a detection guide sleeve 473; detect guide post 471 one end and detection direction fixing base 472 fixed connection, the other end slides and cup joints in detecting uide bushing 473, detects direction fixing base 472 and fixes setting on lift mounting panel 33, detects uide bushing 473 and fixes setting on support 1.
In order to enable automation of the detection, as a preferred embodiment, the thread detecting device 4 further comprises a detecting contact 48 and a detecting sensor 49; the detection contact 48 is aligned with the threaded hole 51, and the detection contact 48 is arranged on one side of the workpiece 5 far away from the detection screw 42; the detection sensor 49 is arranged on one side, far away from the workpiece 5, of the workbench 2, the detection contact 48 penetrates through the workbench 2 and is matched with the detection sensor 49, after detection is successful, the detection screw 42 smoothly penetrates through the threaded hole 51, then the detection screw 42 presses down the detection contact 48, the detection contact 48 triggers the detection sensor 49, detection success information is sent to the detection motor 41, the detection motor 41 rotates reversely, the detection screw 42 exits from the threaded hole 51, and detection is completed after the lifting device 3 is lifted.
As shown in fig. 5 and 3, the lifting device 3 includes a lifting motor 31, a lifting block 32, a lifting mounting plate 33, and a lifting screw 34.
The output end of the lifting motor 31 is connected with one end of a lifting screw rod 34, the lifting screw rod 34 and the lifting block 32 are arranged in a threaded fit mode, at the moment, the lifting motor 31 drives the lifting screw rod 34 to rotate, and the lifting block 32 moves back and forth along the straight line where the lifting screw rod 34 is located.
The lifting block 32 is fixedly connected with the lifting mounting plate 33, and when the lifting screw 34 rotates, the lifting block 32 drives the lifting mounting plate 33 to reciprocate along the straight line where the lifting screw 34 is located.
In order to make the lifting block 32 drive the lifting mounting plate 33 to lift, as a preferred embodiment, the lifting device 3 further includes a lifting fixing plate 35 and two lifting screw seats 36; the lifting fixing plate 35 is fixedly arranged on the support 1, the lifting fixing plate 35 is located on one side, away from the lifting mounting plate 33, of the lifting screw 34, the two lifting screw seats 36 are fixedly arranged on the lifting fixing plate 35, the lifting screw 34 penetrates through the two lifting screw seats 36, one of the lifting screw seats 36 is arranged at one end, away from the lifting motor 31, of the lifting screw 34, and the other lifting screw seat 36 is arranged between the lifting motor 31 and the lifting block 32.
The lifting device 3 further comprises a lifting guide device 37, the lifting guide device 37 is disposed between the lifting mounting plate 33 and the lifting fixing plate 35, and as a preferred embodiment, the lifting guide device 37 comprises two lifting guide devices, wherein one lifting guide device 37 is disposed on one side of the lifting screw 34, and the other lifting guide device 37 is disposed on the other side of the lifting screw 34.
The lifting guide device 37 comprises a lifting guide post 371 and a lifting guide block 372, the lifting guide block 372 is slidably arranged on the lifting guide post 371, and the lifting guide block 372 guides the lifting mounting plate 33 in the process that the lifting mounting plate 33 reciprocates along the length direction of the support 1.
The lifting guide device 37 further comprises two lifting guide seats 373, wherein one lifting guide seat 373 is fixedly arranged at one end of the lifting guide post 371, the other lifting guide seat 373 is fixedly arranged at the other end of the lifting guide post 371, and both lifting guide seats 373 are fixedly arranged on the lifting fixing plate 35; the lifting guide post 371 is parallel to the lifting screw 34, and the lifting guide block 372 is fixed on the lifting mounting plate 33.
Introduce the utility model relates to a method for using of screw thread check out test set is as follows:
the workpiece 5 is placed on the workbench 2, the threaded hole 51 is aligned with the detection contact 48 and the detection screw 42, then the lifting motor 32 is started, the lifting screw 34 rotates and moves along with the lifting block 32 to the direction of the workpiece 5, the lifting mounting plate 33 moves towards the direction close to the workpiece 5 under the pushing of the lifting block 32, the detection motor 41 is started, the detection screw 42 rotates to enter the threaded hole 51, after the detection is successful, the detection screw 42 smoothly passes through the threaded hole 51, then the detection screw 42 presses the detection contact 48 downwards, the detection contact 48 triggers the detection sensor 49, the detection success information is sent to the detection motor 41, the detection motor 41 rotates reversely, the lifting motor 32 rotates reversely and drives the lifting mounting plate 33 to move towards the direction far away from the workpiece 5. At this time, the detection screw 42 exits the screw hole 51, and the elevating mounting plate 33 is lifted up to complete the detection.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A thread detection device comprises a bracket (1), a workbench (2), a lifting device (3) and a thread detection device (4),
one surface of the workbench (2) is fixedly arranged at one end of the bracket (1), one surface of the workbench (2) facing the other end of the bracket (1) is provided with a workpiece (5) to be detected, and the workpiece (5) comprises a threaded hole (51);
the method is characterized in that: the lifting device (3) comprises a lifting motor (31), a lifting block (32) and a lifting mounting plate (33);
the lifting block (32) is fixedly connected with the lifting mounting plate (33);
the lifting motor (31) is fixedly arranged on the bracket (1), and the lifting motor (31) drives the lifting block (32) to reciprocate from one end of the bracket (1) to the other end of the bracket (1);
the thread detection device (4) comprises a detection motor (41) and a detection screw rod (42);
the detection motor (41) is fixedly arranged on the lifting mounting plate (33);
the output end of the detection motor (41) is in transmission connection with one end of the detection screw rod (42), and the other end of the detection screw rod (42) is aligned to the threaded hole (51).
2. A thread sensing apparatus as defined in claim 1, wherein: the thread detection device (4) further comprises a transfer case (43), a pressing ratchet wheel (44) and a connecting flange (45);
the power input end of the transfer case (43) is connected with the output end of the detection motor (41), the power output end of the transfer case (43) is in transmission connection with the pressing ratchet wheel (44), and the connecting flange (45) is arranged between the pressing ratchet wheel (44) and the detection screw rod (42).
3. A thread sensing apparatus as claimed in claim 2, wherein: the thread detection device (4) further comprises a supporting plate (46), the supporting plate (46) is fixedly arranged on the lifting installation plate (33), the supporting plate (46) comprises a through hole (461), the inner diameter of the through hole (461) is smaller than the outer diameter of the connecting flange (45), one end, far away from the connecting flange (45), of the detection screw rod (42) penetrates through the through hole (461), and the part, penetrating through the through hole (461), of the detection screw rod (42) is matched with the threaded hole (51).
4. A thread sensing apparatus as claimed in claim 1, wherein: the thread detection device (4) further comprises a detection guide device (47), wherein the detection guide device (47) comprises a detection guide column (471), a detection guide fixing seat (472) and a detection guide sleeve (473); one end of the detection guide column (471) is fixedly connected with the detection guide fixing seat (472), the other end of the detection guide column is slidably sleeved in the detection guide sleeve (473), the detection guide fixing seat (472) is fixedly arranged on the lifting mounting plate (33), and the detection guide sleeve (473) is fixedly arranged on the support (1).
5. A thread sensing apparatus as defined in claim 1, wherein: the thread detection device (4) further comprises a detection contact (48) and a detection sensor (49); the detection contact (48) is aligned with the threaded hole (51), and the detection contact (48) is arranged on one side, away from the detection screw rod (42), of the workpiece (5); the detection sensor (49) is arranged on one side, far away from the workpiece (5), of the workbench (2), one end of the detection contact (48) penetrates through the workbench (2), and the end, penetrating through the workbench (2), of the detection contact (48) is matched with the detection sensor (49).
6. A thread sensing apparatus as claimed in claim 5, wherein: the workbench (2) comprises a high-pressure air outlet (21), and the high-pressure air outlet (21) faces to one surface of the workbench (2) where the workpiece (5) is arranged.
7. A thread sensing apparatus as defined in claim 1, wherein: the lifting device (3) further comprises a lifting screw (34), the output end of the lifting motor (31) is connected with one end of the lifting screw (34), and the lifting screw (34) is matched with the lifting block (32) through threads.
8. A thread sensing apparatus according to claim 7, wherein: the lifting device (3) also comprises a lifting fixing plate (35) and two lifting screw rod seats (36); lifting fixing plate (35) is fixed to be set up on support (1), lifting fixing plate (35) are located lifting screw (34) and keep away from lifting mounting panel (33) one side, two lifting screw seat (36) are all fixed to be set up on lifting fixing plate (35), lifting screw (34) all pass two lifting screw seat (36), one of them lifting screw seat (36) set up the one end of keeping away from elevator motor (31) in lifting screw (34), another lifting screw seat (36) set up between elevator motor (31) and elevator (32).
9. A thread sensing apparatus as claimed in claim 8, wherein: the lifting device (3) further comprises a lifting guide device (37), the lifting guide device (37) is arranged between the lifting mounting plate (33) and the lifting fixing plate (35), the lifting guide device (37) comprises a lifting guide pillar (371) and a lifting guide block (372), the lifting guide block (372) is arranged on the lifting guide pillar (371) in a sliding mode, the lifting mounting plate (33) does reciprocating motion along the length direction of the support (1), and the lifting guide block (372) guides the lifting mounting plate (33).
10. A thread sensing apparatus as claimed in claim 9, wherein: the lifting guide device (37) further comprises two lifting guide seats (373), wherein one lifting guide seat (373) is fixedly arranged at one end of the lifting guide pillar (371), the other lifting guide seat (373) is fixedly arranged at the other end of the lifting guide pillar (371), and the two lifting guide seats (373) are fixedly arranged on the lifting fixing plate (35); the lifting guide post (371) is arranged in parallel with the lifting screw (34), and the lifting guide block (372) is fixedly arranged on the lifting mounting plate (33).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221134191.7U CN217541846U (en) | 2022-05-11 | 2022-05-11 | Thread detection equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221134191.7U CN217541846U (en) | 2022-05-11 | 2022-05-11 | Thread detection equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217541846U true CN217541846U (en) | 2022-10-04 |
Family
ID=83436608
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221134191.7U Active CN217541846U (en) | 2022-05-11 | 2022-05-11 | Thread detection equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217541846U (en) |
-
2022
- 2022-05-11 CN CN202221134191.7U patent/CN217541846U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN111947554A (en) | Flatness detection equipment for photovoltaic system installation solar panel and detection method thereof | |
| CN217541846U (en) | Thread detection equipment | |
| CN114313854A (en) | Annular automation equipment detects assembly line | |
| CN108161420B (en) | Electron parking brake dabber equipment check out test set | |
| CN112122409B (en) | Profile shaping equipment | |
| CN218136226U (en) | Workpiece positioning and clamping device for screw machine assembly line | |
| CN112046157A (en) | Two-dimensional code marking system | |
| CN216815342U (en) | Workbench for laser scanning and facilitating part turnover | |
| CN210789904U (en) | Rotor bearing press-fitting equipment suitable for production line | |
| CN110977436B (en) | Automatic assembly and detection system for wiper power input assembly | |
| CN209027716U (en) | A kind of torque tester for aligning component | |
| CN208427969U (en) | A kind of pump chamber bearing extruder | |
| CN113369560A (en) | Terminal cutting and press-fitting device with L-shaped stamping head | |
| CN108156802B (en) | Stacked chip loading detection equipment | |
| CN215356191U (en) | Automatic cutter lifting device of vertical lathe | |
| CN220138292U (en) | Chip production fixture | |
| CN221056070U (en) | Elevator load performance comprehensive test board | |
| CN220490871U (en) | Integrated silicon rod detection equipment | |
| CN112893169B (en) | Stamping part detection equipment | |
| CN211222455U (en) | Screen printing mechanism | |
| CN216645261U (en) | Eccentric detection machine automation equipment of back drilling | |
| CN212255665U (en) | High-precision electromagnet suction testing device | |
| CN219362495U (en) | Automatic feeding device | |
| CN113651051B (en) | Carrier test equipment | |
| CN214522139U (en) | Multidirectional-adjustment automatic stamping device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |