CN216040124U - Cloth pusher of lockstitch double-needle sewing machine - Google Patents
Cloth pusher of lockstitch double-needle sewing machine Download PDFInfo
- Publication number
- CN216040124U CN216040124U CN202122471677.1U CN202122471677U CN216040124U CN 216040124 U CN216040124 U CN 216040124U CN 202122471677 U CN202122471677 U CN 202122471677U CN 216040124 U CN216040124 U CN 216040124U
- Authority
- CN
- China
- Prior art keywords
- axis
- belt
- transmission
- fixed
- sewing machine
- 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 utility model discloses a cloth pushing device of a flat-seam double-needle sewing machine, which comprises a rack, a flat-seam double-needle sewing machine and a working table plate, wherein the working table plate is fixedly arranged at the upper end of the rack; the XY-axis combined mechanism comprises an X-axis transmission mechanism and a Y-axis transmission mechanism which are connected up and down. The electric control driving system enables the cloth fixing mechanism to move left, right, front and back by controlling the opening and closing of the X-axis motor and the Y-axis motor in the XY-axis combined mechanism, so that stitches and feeding and returning actions of sewing clothes preset by the electric control driving system are completed, manual cloth pushing is replaced, the sewing efficiency is high, and a sewing line is attractive.
Description
Technical Field
The utility model relates to the technical field of sewing machines, in particular to a cloth pushing device of a flat sewing double-needle sewing machine.
Background
The double-needle flat car is a common sewing machine which has two needles which are two-synchronous, three-synchronous and turned and has the effect that double threads are parallel and are mutually parallel. Double-stitch sewing of clothes on the market needs to use a double-needle flat car, but is found in the actual use process, the double-stitch sewing needs to be carried out by manually pushing cloth, the sewing efficiency is low, and the sewing line is not attractive enough.
To this end, we propose a cloth pusher of a flat-seam two-needle sewing machine to solve the above-mentioned problems.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a cloth pushing device of a flat-seam double-needle sewing machine to solve the problems that the cloth needs to be pushed manually, the sewing efficiency is low, and the sewing line is not beautiful enough in the background technology.
In order to achieve the purpose, the utility model adopts the following technical scheme:
a cloth pushing device of a flat-seam double-needle sewing machine comprises a rack, a flat-seam double-needle sewing machine and a working table plate, wherein the working table plate is fixedly arranged at the upper end of the rack; the XY-axis combined mechanism comprises an X-axis transmission mechanism and a Y-axis transmission mechanism which are connected up and down; the Y-axis transmission mechanism comprises a Y-axis fixing frame, a Y-axis bearing seat, a transmission shaft I, a Y-axis motor, a Y-axis transmission belt wheel set, a Y-axis guide rail, a Y-axis sliding block, a Y-axis fixing belt plate and an XY-axis connecting seat; the Y-axis bearing blocks are two pairs and are respectively fixed at the upper end of a Y-axis fixing frame, the first transmission shafts are two and are respectively fixedly inserted into the inner ring of each pair of Y-axis bearing blocks, the Y-axis motor is fixedly arranged at the lower end of the Y-axis fixing frame, the Y-axis motor and one of the transmission shafts are connected with a Y-axis belt pulley group, a Y-axis belt pulley group is connected between the two transmission shafts, the Y-axis transmission belt wheel set comprises a Y-axis belt wheel coaxially and fixedly sleeved on each transmission shaft I and a Y-axis transmission belt tensioned and sleeved on the outer sides of the two Y-axis belt wheels, the two Y-axis guide rails are fixedly connected to the upper end of the Y-axis fixing frame, the number of the Y-axis sliding blocks is the same as that of the Y-axis guide rails and slide on the respective Y-axis guide rails, the Y-axis fixed belt plate is fixedly connected with the XY-axis connecting seat up and down, and the Y-axis transmission belt is fixed between the Y-axis fixed belt plate and the XY-axis connecting seat; the X-axis transmission mechanism comprises an X-axis fixing frame, an X-axis bearing seat, a transmission shaft II, an X-axis motor, an X-axis transmission belt wheel set, an X-axis fixing belt plate, an X-axis guide rail and an X-axis sliding plate;
the X-axis fixing frame is fixed at the upper end of the XY-axis connecting seat, the X-axis bearing seats are two pairs and are respectively fixed at the upper end of the X-axis fixing frame, the two transmission shafts are two and are respectively and fixedly inserted into the inner ring of each pair of X-axis bearing seats, the X-axis motor is fixedly arranged at the lower end of the X-axis fixing frame, the X-axis motor and one of the two transmission shafts are connected with an X-axis belt pulley group, an X-axis transmission belt pulley group is connected between the two transmission shafts, the X-axis transmission belt pulley group comprises an X-axis belt pulley coaxially and fixedly sleeved on each transmission shaft and an X-axis transmission belt tensioned and sleeved on the outer sides of the two X-axis belt pulleys, the X-axis guide rail is one and fixedly connected at the upper end of the X-axis fixing frame, the number of the X-axis sliding plates is the same as that of the X-axis guide rails and slides on the X-axis guide rails, and the X-axis transmission belt plates are symmetrically arranged at the upper and lower ends of the X-axis transmission belt pulleys, and the two X-axis fixed belt plates are fixedly connected with each other.
Preferably, the XY-axis combined mechanism further comprises a cloth fixing mechanism, and the cloth fixing mechanism comprises a template and a clamping cylinder; the template is L-shaped and is fixedly connected with the X-axis fixed belt plate, and the number of the clamping cylinders is two and the two clamping cylinders are fixed on the vertical surface of the template.
Preferably, the electric control driving system is electrically connected with the Y-axis motor and the X-axis motor.
Preferably, the Y-axis pulley set comprises a Y-axis belt, one of the transmission shaft is fixedly sleeved with a Y-axis pulley at a position corresponding to the shaft body protruding out of the Y-axis bearing seat and the output shaft of the Y-axis motor, and the Y-axis belt is tightly sleeved outside the two Y-axis pulleys.
Preferably, the X-axis pulley group comprises an X-axis belt, wherein one of the two transmission shaft shafts protrudes out of the shaft bearing seat, the shaft body of the X-axis motor and the output shaft of the X-axis motor are fixedly sleeved with an X-axis pulley at the corresponding position, and the X-axis belt is tightly sleeved on the outer sides of the two X-axis pulleys.
Preferably, the Y-axis fixed belt plate, the XY-axis connecting seat and the two X-axis fixed belt plates are fixed by bolts.
Compared with the prior art, the utility model has the beneficial effects that:
the electric control driving system enables the cloth fixing mechanism to move left, right, front and back by controlling the opening and closing of the X-axis motor and the Y-axis motor in the XY-axis combined mechanism, so that stitches and feeding and returning actions of sewing clothes preset by the electric control driving system are completed, manual cloth pushing is replaced, the sewing efficiency is high, and a sewing line is attractive.
Drawings
FIG. 1 is a schematic structural view of a cloth feeding device of a flat-seam double-needle sewing machine according to the present invention;
FIG. 2 is a schematic structural view of a view angle of an XY-axis combination mechanism of a cloth pushing device of a flat-seam double-needle sewing machine according to the present invention;
FIG. 3 is a schematic structural view of another view angle of the XY-axis mechanism of the cloth feeding device of the flat-seam two-needle sewing machine according to the present invention;
fig. 4 is an enlarged schematic view of a portion a in fig. 2.
In the figure: the automatic cloth feeding machine comprises a machine frame 1, a flat-seam double-needle machine 2, a working table plate 3, a 4 XY-axis combined mechanism, a 41Y-axis transmission mechanism, a 411Y-axis fixing frame, a 4111Y-axis bearing block, a 412 transmission shaft I, a 413Y-axis motor, a 414Y-axis belt pulley group, a 415Y-axis transmission belt pulley group, a 416Y-axis guide rail, an 417Y-axis sliding block, a 418Y-axis fixing belt plate, a 419 XY-axis connecting block, a 42X-axis transmission mechanism, a 421X-axis fixing frame, a 422X-axis bearing block, a 423 transmission shaft II, a 424X-axis motor, a 425X-axis belt pulley group, a 426X-axis transmission belt pulley group, a 427X-axis fixing belt plate, a 428X-axis guide rail, a 429X-axis sliding plate, a 43 cloth fixing mechanism, a 431 template, a 432 clamping cylinder, a 5 electric control driving system and 6 cloth.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Referring to fig. 1-4, a cloth pushing device of a flat-seam double-needle sewing machine comprises a frame 1, a flat-seam double-needle machine 2 and a working table plate 3, wherein the working table plate 3 is fixedly arranged at the upper end of the frame 1, the flat-seam double-needle machine 2 is fixedly arranged at the upper end of the working table plate 3, the flat-seam double-needle machine 2 is the prior art, and the cloth pushing device further comprises an electric control driving system 5, a cloth 6 and an XY axis combination mechanism 4 which are fixedly arranged at the upper end of the flat-seam double-needle machine 2; the electric control driving system 5 is electrically connected with the Y-axis motor 413 and the X-axis motor 424.
The basic idea of the utility model is as follows:
the plane is divided into an X axis and a Y axis, so the overall naming is based on the X axis and the Y axis, an electric control driving system 5 selects the pattern to be sewn in advance, a cloth 6 is clamped and fixed through an XY axis combination mechanism 4, then a motor in the XY axis combination mechanism 4 is controlled, the cloth 6 is sent to a double-needle lockstitch sewing machine 2, the double-needle lockstitch sewing machine 2 is driven at the same time, and the pattern to be sewn is selected in advance; after the pattern sewing is finished, the electric control driving system 5 reversely controls and operates to reset the cloth 6, and the cloth 6 with the pattern sewn is taken out; the sewing of the next fabric 6 pattern can be performed by repeating the above operations.
Specifically, the XY-axis combination mechanism 4 includes an X-axis transmission mechanism 42 and a Y-axis transmission mechanism 41 which are connected up and down;
more specifically, the Y-axis transmission mechanism 41 includes a Y-axis fixing frame 411, a Y-axis bearing block 4111, a first transmission shaft 412, a Y-axis motor 413, a Y-axis transmission pulley set 415, a Y-axis guide rail 416, a Y-axis slider 417, a Y-axis fixing belt plate 418, and an XY-axis connecting block 419; the Y-axis bearing blocks 4111 are two pairs and are respectively fixed at the upper end of a Y-axis fixing frame 411, the first transmission shafts 412 are two pairs and are respectively and fixedly inserted into the inner ring of each pair of Y-axis bearing blocks 4111, a Y-axis motor 413 is fixedly installed at the lower end of the Y-axis fixing frame 411, a Y-axis motor 413 and one of the first transmission shafts 412 are connected with a Y-axis belt pulley group 414, a Y-axis transmission belt pulley group 415 is connected between the two first transmission shafts 412, the Y-axis transmission belt pulley group 415 comprises Y-axis belt pulleys coaxially and fixedly sleeved on the first transmission shafts 412 and Y-axis transmission belts tensioned and sleeved on the outer sides of the two Y-axis belt pulleys, the Y-axis guide rails 416 are two pairs and are fixedly connected to the upper end of the Y-axis fixing frame 411, the number of Y-axis sliders 417 is the same as that of the Y-axis guide rails 416 and slide on the respective Y-axis guide rails 416, the Y-axis fixing belt plates 418 are fixedly connected with the XY-axis connecting blocks 419 up and down, and the Y-axis transmission belts are fixed between the two pairs.
In the utility model, a Y-axis motor 413 drives one of transmission shafts I412 to rotate through a Y-axis belt pulley group 414, a Y-axis transmission belt drives under the action of a Y-axis transmission belt pulley group 415, and an X-axis transmission mechanism 42 is driven to move in the Y-axis direction through a Y-axis fixed belt plate 418 and an XY-axis connecting seat 419; in addition, the Y-axis slide block 417 and the Y-axis guide rail 416 which are in sliding fit are arranged, so that the movement is more stable.
More specifically, the X-axis transmission mechanism 42 includes an X-axis fixing frame 421, an X-axis bearing seat 422, a transmission shaft two 423, an X-axis motor 424, an X-axis transmission pulley set 426, an X-axis fixing belt plate 427, an X-axis guide rail 428, and an X-axis sliding plate 429; the X-axis fixing frame 421 is fixed on the upper end of the XY-axis connecting seat 419, the X-axis bearing seats 422 are two pairs and are respectively fixed on the upper end of the X-axis fixing frame 421, the two transmission shafts 423 are two and are respectively and fixedly inserted into the inner ring of each pair of X-axis bearing seats 422, an X-axis motor 424 is fixedly arranged on the lower end of the X-axis fixing frame 421, the X-axis motor 424 is connected with one transmission shaft 423 and is connected with an X-axis pulley set 425, an X-axis transmission pulley set 426 is connected between the two transmission shafts 423, the X-axis transmission pulley set 426 comprises an X-axis pulley coaxially and fixedly sleeved on each transmission shaft 423 and an X-axis transmission belt tensioned and sleeved on the outer side of the two X-axis pulleys, the X-axis guide rail 428 is one and is fixedly connected on the upper end of the X-axis fixing frame 421, the number of X-axis sliding plates is the same as that of the X-axis guide rail 429 and slides on the X-axis guide rail 428, and the X-axis transmission belt plates 427 are symmetrically arranged on the upper and lower ends of the X-axis transmission belt, and the two X-axis fixing strip plates 427 are fixedly connected to each other.
In the utility model, the X-axis motor 424 drives one of the two transmission shafts 423 to rotate through the X-axis belt pulley set 425, the X-axis transmission belt drives under the action of the X-axis transmission belt pulley set 426, and the cloth fixing mechanism 43 is driven to move in the X-axis direction through the X-axis fixing belt plate 427; in addition, the X-axis sliding plate 429 and the X-axis guide rail 428 are in sliding fit, so that the movement is more stable.
Further, the XY-axis combination mechanism 4 further includes a cloth fixing mechanism 43, and the cloth fixing mechanism 43 includes a template 431 and a clamping cylinder 432; the die plate 431 is L-shaped and is fixedly connected with an X-axis fixed belt plate 427, and the number of the clamping cylinders 432 is two and the clamping cylinders are fixed on the vertical surface of the die plate 431.
In the utility model, the template 431 is provided with two vertical surfaces and a horizontal surface which are vertically crossed, the cloth 6 on the template 431 is fixed by using a clamping cylinder 432 on the vertical surface, and the clamping cylinder 432 is also electrically connected with the electronic control driving system 5.
More specifically, the Y-axis pulley block 414 includes a Y-axis belt, wherein a shaft of one of the first transmission shafts 412 protruding out of the Y-axis bearing block 4111 and an output shaft of the Y-axis motor 413 are fixedly sleeved with a Y-axis pulley at a corresponding position, and the Y-axis belt is tightly sleeved outside the two Y-axis pulleys. More specifically, the X-axis pulley set 425 includes an X-axis belt, wherein an X-axis pulley is fixedly sleeved on a shaft body of one transmission shaft two 423 protruding out of the X-axis bearing block 422 and an output shaft of the X-axis motor 424 at a corresponding position, and the X-axis belt is tightly sleeved on the outer sides of the two X-axis pulleys.
In the present invention, torque transmission through the pulley and the belt is very widely used, and other transmission modes can be adopted.
The Y-axis fixing belt plate 418, the XY-axis connecting base 419, and the two X-axis fixing belt plates 427 are fixed by bolts. The disassembly and assembly are more convenient, and other fixing modes can be adopted.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.
Claims (6)
1. The utility model provides a cloth pusher of lockstitch duplex sewing machine, includes frame (1), lockstitch duplex sewing machine (2), work platen (3), fixed frame (1) upper end of locating of work platen (3), lockstitch duplex sewing machine (2) are fixed and are located work platen (3) upper end, its characterized in that: the sewing machine also comprises an electric control driving system (5) fixedly arranged at the upper end of the flat sewing double-needle machine (2), cloth (6) and an XY axis combination mechanism (4);
the XY-axis combined mechanism (4) comprises an X-axis transmission mechanism (42) and a Y-axis transmission mechanism (41) which are connected up and down;
the Y-axis transmission mechanism (41) comprises a Y-axis fixing frame (411), a Y-axis bearing block (4111), a first transmission shaft (412), a Y-axis motor (413), a Y-axis transmission belt wheel set (415), a Y-axis guide rail (416), a Y-axis sliding block (417), a Y-axis fixing belt plate (418) and an XY-axis connecting seat (419);
the Y-axis bearing blocks (4111) are two pairs and are respectively fixed at the upper end of a Y-axis fixing frame (411), the first transmission shafts (412) are two pairs and are respectively and fixedly inserted into the inner ring of each pair of Y-axis bearing blocks (4111), the first Y-axis motor (413) is fixedly installed at the lower end of the Y-axis fixing frame (411), the first Y-axis motor (413) and one of the first transmission shafts (412) are connected with a Y-axis belt pulley group (414), the two first transmission shafts (412) are connected with a Y-axis belt pulley group (415), the Y-axis belt pulley group (415) comprises a Y-axis belt pulley which is coaxially and fixedly sleeved on each first transmission shaft (412) and a Y-axis belt which is tightly sleeved on the outer sides of the two Y-axis belt pulleys, the Y-axis guide rails (416) are two pairs and are fixedly connected at the upper end of the Y-axis fixing frame (411), the number of Y-axis sliders (417) is the same as that of the Y-axis guide rails (416) and slides on the respective Y-axis guide rails (416), the Y-axis fixed belt plate (418) is fixedly connected with the XY-axis connecting seat (419) up and down, and a Y-axis transmission belt is fixed between the Y-axis fixed belt plate and the XY-axis connecting seat;
the X-axis transmission mechanism (42) comprises an X-axis fixing frame (421), an X-axis bearing seat (422), a transmission shaft II (423), an X-axis motor (424), an X-axis transmission belt wheel set (426), an X-axis fixing belt plate (427), an X-axis guide rail (428) and an X-axis sliding plate (429);
the X-axis fixing frame (421) is fixed at the upper end of an XY-axis connecting seat (419), the X-axis bearing seats (422) are two pairs and are respectively fixed at the upper end of the X-axis fixing frame (421), the two transmission shafts (423) are two pairs and are respectively fixedly inserted into the inner rings of each pair of the X-axis bearing seats (422), the X-axis motor (424) is fixedly installed at the lower end of the X-axis fixing frame (421), the X-axis motor (424) and one of the transmission shafts (423) are connected with an X-axis belt pulley group (425), an X-axis transmission belt pulley group (426) is connected between the two transmission shafts (423), the X-axis transmission belt pulley group (426) comprises an X-axis belt pulley which is coaxially and fixedly sleeved on each transmission shaft (423) and an X-axis transmission belt which is tightly sleeved on the outer sides of the two X-axis belt pulleys, the X-axis guide rail (428) is one and is fixedly connected at the upper end of the X-axis fixing frame (421), the number of the X-axis sliding plates (429) is the same as that of the X-axis guide rails (428) and the X-axis sliding plates slide on the X-axis guide rails (428), X-axis fixed belt plates (427) are symmetrically arranged at the upper end and the lower end of the X-axis transmission belt, and the two X-axis fixed belt plates (427) are fixedly connected with each other.
2. The cloth pushing apparatus of a flat sewing two-needle sewing machine according to claim 1, characterized in that: the XY-axis combination mechanism (4) further comprises a cloth fixing mechanism (43), and the cloth fixing mechanism (43) comprises a template (431) and a clamping cylinder (432);
the die plate (431) is L-shaped and is fixedly connected with an X-axis fixed belt plate (427), and the number of the clamping cylinders (432) is two and the clamping cylinders are fixed on the vertical surface of the die plate (431).
3. The cloth pushing apparatus of a flat sewing two-needle sewing machine according to claim 1, characterized in that: and the electric control driving system (5) is electrically connected with the Y-axis motor (413) and the X-axis motor (424).
4. The cloth pushing apparatus of a flat sewing two-needle sewing machine according to claim 1, characterized in that: the Y-axis belt pulley set (414) comprises a Y-axis belt, wherein one shaft of the transmission shaft I (412) protruding out of the Y-axis bearing seat (4111) and the output shaft of the Y-axis motor (413) are fixedly sleeved with a Y-axis belt pulley at the corresponding position, and the Y-axis belt is tightly sleeved outside the two Y-axis belt pulleys.
5. The cloth pushing apparatus of a flat sewing two-needle sewing machine according to claim 1, characterized in that: the X-axis belt pulley set (425) comprises an X-axis belt, wherein one shaft of the transmission shaft II (423) protruding out of the X-axis bearing seat (422) and the output shaft of the X-axis motor (424) are fixedly sleeved with an X-axis belt pulley at the corresponding position, and the X-axis belt is tightly sleeved on the outer sides of the two X-axis belt pulleys.
6. The cloth pushing apparatus of a flat sewing two-needle sewing machine according to claim 1, characterized in that: the Y-axis fixed belt plate (418) is fixed with the XY-axis connecting seat (419) and the two X-axis fixed belt plates (427) by bolts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122471677.1U CN216040124U (en) | 2021-10-14 | 2021-10-14 | Cloth pusher of lockstitch double-needle sewing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122471677.1U CN216040124U (en) | 2021-10-14 | 2021-10-14 | Cloth pusher of lockstitch double-needle sewing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216040124U true CN216040124U (en) | 2022-03-15 |
Family
ID=80548899
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122471677.1U Active CN216040124U (en) | 2021-10-14 | 2021-10-14 | Cloth pusher of lockstitch double-needle sewing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216040124U (en) |
-
2021
- 2021-10-14 CN CN202122471677.1U patent/CN216040124U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101003932B (en) | Device for actuating embroidering frame in large-scale solid bowl type computer controlled embroidering machine | |
| CN203700726U (en) | Template transmission mechanism of template sewing machine | |
| CN216040124U (en) | Cloth pusher of lockstitch double-needle sewing machine | |
| CN113699698A (en) | Cloth pusher of lockstitch double-needle sewing machine | |
| CN206768387U (en) | A kind of automatic shuttle changing core apparatus of sewing device | |
| CN202323342U (en) | Cloth feeding device for sewing machine with button hole | |
| CN109914042A (en) | Template sewing machine | |
| CN210117498U (en) | Automatic template sewing machine | |
| CN213951557U (en) | Hemming device for linen-like cloth production | |
| CN205062380U (en) | Automatic feeding platform of single needle quilter | |
| CN209537777U (en) | A kind of novel bag-bonding machine for the suture of garment bag piece | |
| CN200988902Y (en) | Embroidery frame driver for tubular computer embroidery machine | |
| CN108856378B (en) | Back stop device for bending machine | |
| CN220450446U (en) | Automatic buttonhole device for placket shirt | |
| CN208815244U (en) | A kind of Novel imitation sewn by hand stitching draws by device | |
| CN211631919U (en) | Button sewing machine | |
| CN218711327U (en) | Double-needle flat-seam sewing machine for making non-woven fabric bag | |
| CN110485063B (en) | Diversified peripheral sewing press-fit equipment | |
| CN216688588U (en) | Efficient sewing machine set capable of continuously working | |
| CN212247445U (en) | Double-needle single-station sewing machine | |
| CN220520782U (en) | Automatic auxiliary device that buckles of jacket | |
| CN209353061U (en) | A kind of material receiving mechanism mobile device for bag-bonding machine | |
| CN207904509U (en) | A kind of out pocket sewing machine | |
| CN212800757U (en) | Large-stroke thick material jujube beater | |
| CN216514668U (en) | Sweater pressing and ironing device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |