CN110916401B - Multimedia classroom row chair with leg relaxing function - Google Patents
Multimedia classroom row chair with leg relaxing function Download PDFInfo
- Publication number
- CN110916401B CN110916401B CN201911277634.0A CN201911277634A CN110916401B CN 110916401 B CN110916401 B CN 110916401B CN 201911277634 A CN201911277634 A CN 201911277634A CN 110916401 B CN110916401 B CN 110916401B
- Authority
- CN
- China
- Prior art keywords
- rod
- guide
- sides
- rack
- clamping
- 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
Classifications
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47C—CHAIRS; SOFAS; BEDS
- A47C1/00—Chairs adapted for special purposes
- A47C1/12—Theatre, auditorium, or similar chairs
- A47C1/124—Separate chairs, connectible together into a row
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47C—CHAIRS; SOFAS; BEDS
- A47C7/00—Parts, details, or accessories of chairs or stools
- A47C7/50—Supports for the feet or the legs coupled to fixed parts of the chair
- A47C7/506—Supports for the feet or the legs coupled to fixed parts of the chair of adjustable type
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47C—CHAIRS; SOFAS; BEDS
- A47C7/00—Parts, details, or accessories of chairs or stools
- A47C7/62—Accessories for chairs
- A47C7/622—Receptacles, e.g. cup holders, storage containers
- A47C7/624—Receptacles, e.g. cup holders, storage containers located on side of seat, e.g. on armrest
Abstract
The invention relates to a multimedia classroom chair, in particular to a multimedia classroom chair with a leg relaxing function. The invention aims to provide a multimedia classroom chair with leg relaxing function, which can effectively relieve leg tingling and can adjust the size of a leg telescopic space. A multimedia classroom row chair with leg relaxing function comprises a guide rail, a guide plate and the like; guide plates are connected in the guide rails on both sides in a sliding manner. According to the invention, through the cooperation of the pedal and the upper device thereof, a user can conveniently swing the two legs back and forth, the crunchy feeling caused by sedentary sitting is relieved, the blood circulation of the legs is accelerated, the purpose of relaxing the legs is achieved, the expansion space of the legs can be flexibly adjusted through the cooperation of the guide plate and the upper device thereof, and the practicability of the equipment is improved.
Description
Technical Field
The invention relates to a multimedia classroom chair, in particular to a multimedia classroom chair with a leg relaxing function.
Background
When a multimedia classroom is used for a conference, as part of the conference consumes a long time, the space of a chair is smaller and cannot be adjusted, people can easily feel crunchy and feel on legs when sitting for a long time, meanwhile, according to the invention disclosed in 1 month and 3 days 2017, the stair classroom chair is convenient to go in and out, the disclosure number of the stair classroom chair is CN206714438U, the technical problems in the technical problems are mainly used for solving the problem that the space of the chair is difficult to adjust, and how to solve the crunchy and feel generated by sitting for a long time is not considered.
Therefore, a multimedia classroom row chair with leg relaxing function capable of effectively relieving leg tingling and adjusting the size of the leg stretching space is needed to solve the problems.
Disclosure of Invention
In order to overcome the defects that the leg crisp and numb feeling cannot be effectively relieved and the leg telescopic space cannot be adjusted, the technical problem is that: the multimedia classroom row chair with the leg relaxing function can effectively relieve the crunchy feel of legs and adjust the size of the telescopic space of the legs.
The technical proposal is as follows: the utility model provides a possess multimedia classroom row chair of shank function of relaxing, including guided way and deflector, all slidingtype connection has the deflector in the guided way of both sides, still including the backup pad, the support column, the spliced pole, the guide post, the pedestal, the diaphragm, the guide bar, first compression spring, the telescopic link, the mount pad, the bull stick, the footboard, thrust unit, chucking device and reset spring, the deflector top is equipped with the support column, be connected with the spliced pole between the support column of both sides, the support column top is equipped with the guide post, both sides guided way rear portion is equipped with the backup pad, be equipped with the pedestal in the backup pad, pedestal bottom and the cooperation of guided way slidingtype, pedestal bottom front side is equipped with the diaphragm, both sides all open there is the bar hole in pedestal bottom both sides, both sides all slidingtype connection has the guide bar around the guide bar, be connected with first compression spring between guide bar and the guide bar, both sides guide bar bottom is equipped with the mount pad jointly, the pivoted on the mount pad and be equipped with the bull stick, the bull stick bottom is equipped with the footboard, pedestal rear wall is equipped with thrust unit, the guide rail rear wall is equipped with thrust unit, guide rail rear portion is equipped with thrust unit, thrust unit and chucking device and the deflector on the guide bar is used for and the deflector and fixing device.
Preferably, the pushing device comprises a mounting rack, a guide sleeve, a rack bar, a second compression spring, a bearing seat, a rotating member, pushing racks, supporting rods and inclined plates, wherein the mounting rack is arranged on two sides of the rear wall of the seat body, the guide sleeve is arranged on the lower portion of the mounting rack, the rack bar is connected in the guide sleeve in a sliding mode, the second compression spring is connected between the rack bar and the guide sleeve, the bearing seat is arranged in the middle of the mounting rack, the rotating member is connected on the bearing seat in a rotating mode, the pushing racks are arranged at the rear ends of the telescopic rods, the pushing racks are located in the strip holes, the two sides of the rotating member are meshed with the pushing racks and the rack bar respectively, the supporting rods are arranged on the inner sides of the guide plates, and the inclined plates are arranged on the tops of the supporting rods.
Preferably, the rotating piece is a gear, a bearing seat is arranged in the middle of the mounting frame, the gear is rotatably connected to the bearing seat, a pushing rack is arranged at the rear end of the telescopic rod, the pushing rack is positioned in the bar-shaped hole, and two sides of the gear are respectively meshed with the pushing rack and the rack rod.
Preferably, the clamping device comprises a mounting plate, a clamping rod and a third compression spring, the mounting plate is arranged at the top of the guide rail, the clamping rod is connected to the mounting plate in a sliding mode, the third compression spring is connected between the clamping rod and the mounting plate, the clamping hole is formed in the guide plate, and the clamping hole and the clamping rod are on the same horizontal line.
Preferably, the device further comprises a long rod, a mounting rod, a rotating handle and a pushing sleeve, wherein the long rod is arranged at the tops of the clamping rods at two sides together, the height of the long rod is higher than that of the sloping plate, the mounting rod is arranged at one side of the guide rail, the rotating handle is connected to the mounting rod in a rotating mode, the pushing sleeve is arranged at the lower portion of the rotating handle, and the pushing sleeve is in contact with one side of the long rod.
Preferably, a storage groove is formed on one side of the seat body.
The invention has the beneficial effects that: according to the invention, through the cooperation of the pedal and the upper device thereof, a user can conveniently swing the two legs back and forth, the crunchy feeling caused by sedentary sitting is relieved, the blood circulation of the legs is accelerated, the purpose of relaxing the legs is achieved, the expansion space of the legs can be flexibly adjusted through the cooperation of the guide plate and the upper device thereof, and the practicability of the equipment is improved.
Through the cooperation of rotating handle and device on it, be convenient for quick pulling draw-in bar upward movement need not the user and squats the pulling draw-in bar, embodied humanized design.
Through putting the thing groove, the user can put unnecessary object into wherein, has reached the effect of being convenient for place idle article.
Drawings
Fig. 1 is a schematic perspective view of the present invention.
Fig. 2 is a schematic perspective view of a first part of the present invention.
Fig. 3 is a schematic perspective view of a second part of the present invention.
Fig. 4 is a schematic perspective view of a third portion of the present invention.
Fig. 5 is an enlarged schematic view of the structure of the present invention a.
Reference numerals: the device comprises a guide rail 1, a guide plate 101, a support plate 102, a support column 2, a connecting column 201, a guide column 3, a seat 4, a transverse plate 5, a strip-shaped hole 6, a guide frame 7, a guide rod 8, a first compression spring 9, a telescopic rod 10, a mounting seat 11, a rotary rod 12, a pedal 13, a mounting frame 14, a guide sleeve 15, a rack rod 16, a second compression spring 17, a bearing seat 18, a gear 19, a push rack 20, a support rod 21, a sloping plate 22, a clamping device 23, a mounting plate 2301, a clamping rod 2302, a third compression spring 2303, a clamping hole 2304, a return spring 24, a long rod 25, a mounting rod 26, a rotary handle 27, a push sleeve 28 and a storage groove 29.
Detailed Description
The invention is further described below with reference to the drawings and the detailed description.
Example 1
The multimedia classroom row chair with leg relaxing function comprises a guide rail 1, a guide plate 101, a support plate 102, a support column 2, a connecting column 201, a guide column 3, a seat body 4, a transverse plate 5, a guide frame 7, a guide rod 8, a first compression spring 9, a telescopic rod 10, a mounting seat 11, a rotating rod 12, a pedal 13, a mounting frame 14, a guide sleeve 15, a rack rod 16, a second compression spring 17, a bearing seat 18, a gear 19, a pushing rack 20, a support rod 21, a sloping plate 22, a clamping device 23 and a return spring 24, wherein the guide plates 101 are connected in the guide rails 1 at both sides in a sliding manner, the support column 2 is arranged at the top of the guide plate 101, the connecting column 201 is connected between the support columns 2 at both sides, the guide column 3 is arranged at the top of the support column 2, the support plate 102 is arranged at the rear part of the guide rail 1 at both sides, the seat body 4 is arranged on the support plate 102, the bottom of the seat body 4 is in sliding fit with the guide column 3, the front side of the bottom of the seat body 4 is provided with a transverse plate 5, both parts of the rear side of the bottom of the seat body 4 are provided with strip-shaped holes 6, both sides of the bottom of the seat body 4 are provided with guide frames 7, both sides of the guide frames 7 are connected with guide rods 8 in a sliding way, a first compression spring 9 is connected between each guide rod 8 and each guide frame 7, the bottom ends of the guide rods 8 on both sides are jointly provided with a telescopic rod 10, the front part of each telescopic rod 10 is provided with a mounting seat 11, the mounting seats 11 are rotatably connected with a rotating rod 12, the bottom ends of the rotating rods 12 are provided with pedals 13, both sides of the rear wall of the seat body 4 are provided with mounting frames 14, the lower part of each mounting frame 14 is provided with a guide sleeve 15, a rack rod 16 is connected with a guide sleeve 15 in a sliding way, a second compression spring 17 is connected between each rack rod 16 and each guide sleeve 15, the middle part of each mounting frame 14 is provided with a bearing seat 18, the bottom of each bearing seat 18 is rotatably connected with a gear 19, and the rear end of each telescopic rod 10 is provided with a pushing rack 20, the pushing rack 20 is partially positioned in the bar-shaped hole 6, two sides of the gear 19 are respectively meshed with the pushing rack 20 and the rack bar 16, a supporting rod 21 is arranged on the inner side of the guide plate 101, a sloping plate 22 is arranged on the top of the supporting rod 21, a clamping device 23 is arranged on the rear part of the guide rail 1, and a return spring 24 is connected between the guide plate 101 and the rear inner wall of the guide rail 1.
The clamping device 23 comprises a mounting plate 2301, a clamping rod 2302 and a third compression spring 2303, the top of the guide rail 1 is provided with the mounting plate 2301, the clamping rod 2302 is connected to the mounting plate 2301 in a sliding manner, the third compression spring 2303 is connected between the clamping rod 2302 and the mounting plate 2301, the guide plate 101 is provided with a clamping hole 2304, and the clamping hole 2304 and the clamping rod 2302 are on the same horizontal line.
When a user sits on the sitting body 4 for a long time, the legs are easy to tingle, so the leg relaxing device can be used for leg relaxing, the user pushes the two side support columns 2 to move backwards through the connecting columns 201, then drives the guide plate 101 to move backwards, thus drives the support rods 21 and the upper devices thereof to move backwards, the return springs 24 are compressed, when the guide plate 101 moves backwards to a certain position, the clamping rods 2302 are clamped into the clamping holes 2304 on the guide plate 101, the guide plate 101 is stably fixed through the cooperation of the clamping rods 2302 and the upper devices thereof, the inclined plate 22 pushes the rack 20 rod 16 to move upwards to a certain height at the moment, the second compression springs 17 are compressed, the rack rod 16 drives the pushing rack 20 to move downwards to a certain position through the gears 19 when moving upwards, and then drives the telescopic rod 10 and the upper devices thereof to move downwards to a certain position, at this time, the telescopic rod 10 is not covered by the transverse plate 5, the first compression spring 9 is compressed, then the user manually stretches the telescopic rod 10 to a position suitable for swinging legs, then the user sits on the sitting body 4, places the feet on the pedals 13, and swings the legs normally, so that the purpose of relaxing the legs is achieved, after the user's legs are relaxed, the user manually resets the telescopic rod 10, then pulls the two side clamping rods 2302 to move upwards, when the clamping rods 2302 are separated from the clamping holes 2304 on the guide plate 101, the reset spring 24 resets and pushes the guide plate 101 and the upper device to move forwards to reset, after the inclined plate 22 is separated from the rack rod 16, the second compression spring 17 resets and pulls the rack rod 16 and the upper device to move upwards to reset, the first compression spring 9 resets and pulls the guide rod 8 and the upper device to move upwards, and at this time, the transverse plate 5 shields the telescopic rod 10 again.
Example 2
On the basis of the embodiment 1, as shown in fig. 2, the device further comprises a long rod 25, a mounting rod 26, a rotating handle 27 and a pushing sleeve 28, wherein the long rod 25 is arranged at the top of the clamping rods 2302 at both sides, the long rod 25 is higher than the sloping plate 22, the mounting rod 26 is arranged at one side of the guide rail 1, the rotating handle 27 is connected to the mounting rod 26 in a rotating manner, the pushing sleeve 28 is arranged at the lower part of the rotating handle 27, and the pushing sleeve 28 is contacted with one side of the long rod 25.
When the guide plate 101 needs to be reset, a user only needs to rotate the rotating handle 27 clockwise, and then drives the push sleeve 28 to rotate clockwise, so that the long rod 25 is driven to move upwards, after the clamping rod 2302 is separated from the clamping hole 2304 on the guide plate 101, the rotating handle 27 is loosened, the third compression spring 2303 resets, the clamping rod 2302 and the upper device thereof are pulled to move downwards for reset, and then the long rod 25 is driven to move downwards for reset, and the push sleeve 28 and the upper device thereof are driven to rotate anticlockwise for reset by the long rod 25.
As shown in fig. 1, a storage groove 29 is formed on one side of the seat body 4.
Through the storage groove 29, the user can put the redundant objects therein, achieving the effect of being convenient for placing the idle objects.
The foregoing description is only illustrative of the present invention and is not intended to limit the scope of the invention, and all equivalent structures or equivalent processes or direct or indirect application in other related arts are included in the scope of the present invention.
Claims (5)
1. The utility model provides a multimedia classroom chair with shank loosening function, including guided way and deflector, all sliding connection has the deflector in the guided way of both sides, a serial communication port, still including the backup pad, the support column, the spliced pole, the guide post, the pedestal, the diaphragm, the leading truck, the guide bar, first compression spring, the telescopic link, the mount pad, the bull stick, the footboard, thrust unit, chucking device and reset spring, the deflector top is equipped with the support column, be connected with the spliced pole between the support column of both sides, the support column top is equipped with the guide post, both sides guided way rear portion is equipped with the backup pad, be equipped with the pedestal on the backup pad, pedestal bottom and guided way slidable fit, pedestal bottom front side is equipped with the diaphragm, pedestal bottom rear side both sides all open and are equipped with the leading truck, both sides all sliding connection has the guide bar, be connected with first compression spring between guide bar and the leading truck, both sides guide bar bottom is equipped with the telescopic link jointly, the mount pad upper rotating connection has the bull stick, the bull stick bottom is equipped with the footboard, pedestal rear wall is equipped with thrust unit, guide rail rear side and deflector is equipped with the deflector for and chucking device on the said guide rail and chucking device, wherein, chucking device and chucking device on it has on the guide rail for the said apparatus; the pushing device comprises a mounting frame, a guide sleeve, a rack rod, a second compression spring, a bearing seat, a rotating piece, a pushing rack, a supporting rod and an inclined plate, wherein the mounting frame is arranged on two sides of the rear wall of the seat body; when the user needs to swing the two legs to relax, the supporting columns on the two sides are pushed to move backwards through the connecting columns, the guide plates are driven to move backwards, the inclined plates push the rack bars to move upwards to a certain height, the second compression springs are compressed, the rack bars are driven to push the racks to move downwards to a certain position through the gears when moving upwards, the telescopic rods and the devices on the telescopic rods are driven to move downwards to a certain position, the user places the feet on the pedals, and the two legs are normally swung.
2. The multimedia classroom chair with leg relaxing function according to claim 1, wherein the rotating member is a gear, a bearing seat is arranged in the middle of the mounting frame, the gear is rotatably connected to the bearing seat, a pushing rack is arranged at the rear end of the telescopic rod, the pushing rack is positioned in the bar-shaped hole, and two sides of the gear are respectively meshed with the pushing rack and the rack rod.
3. The multimedia classroom chair with leg relaxing function according to claim 2, wherein the clamping device comprises a mounting plate, a clamping rod and a third compression spring, the top of the guide rail is provided with the mounting plate, the clamping rod is connected to the mounting plate in a sliding manner, the third compression spring is connected between the clamping rod and the mounting plate, the guide plate is provided with a clamping hole, and the top end of the clamping hole and the bottom end of the clamping rod are on the same horizontal line.
4. The multimedia classroom chair with leg relaxing function according to claim 3, further comprising a long rod, a mounting rod, a rotating handle and a pushing sleeve, wherein the long rod is arranged at the top of the clamping rods at two sides, the long rod is higher than the sloping plate, the mounting rod is arranged at one side of the guide rail, the rotating handle is connected to the mounting rod in a rotating manner, the pushing sleeve is arranged at the lower part of the rotating handle, and the pushing sleeve is contacted with one side of the long rod.
5. The multimedia classroom chair with leg relaxing function according to claim 1, wherein the seat body is provided with a storage groove at one side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911277634.0A CN110916401B (en) | 2019-12-11 | 2019-12-11 | Multimedia classroom row chair with leg relaxing function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911277634.0A CN110916401B (en) | 2019-12-11 | 2019-12-11 | Multimedia classroom row chair with leg relaxing function |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110916401A CN110916401A (en) | 2020-03-27 |
| CN110916401B true CN110916401B (en) | 2023-09-15 |
Family
ID=69859547
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911277634.0A Active CN110916401B (en) | 2019-12-11 | 2019-12-11 | Multimedia classroom row chair with leg relaxing function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110916401B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204378554U (en) * | 2015-01-30 | 2015-06-10 | 信阳农林学院 | A kind of body-building office chair loosening leg |
| CN105362028A (en) * | 2015-10-30 | 2016-03-02 | 宁波康福特健身器械有限公司 | Massage sofa |
| CN205696730U (en) * | 2016-05-04 | 2016-11-23 | 南安达泰卫浴有限公司 | A kind of Expressway Service rest device |
| CN108577290A (en) * | 2018-03-09 | 2018-09-28 | 合肥工业大学 | A kind of multifunction seat for improving health |
| CN108635200A (en) * | 2018-04-17 | 2018-10-12 | 赣州市亿研机械设计研究院有限公司 | A kind of medical treatment gynemetrics pregnant woman leg muscle releasing device |
| CN108926155A (en) * | 2018-05-08 | 2018-12-04 | 刘红华 | A kind of obstetrics pregnant woman rest rocking chair |
| CN108991798A (en) * | 2018-07-12 | 2018-12-14 | 廖敏 | A kind of office chair preventing sitting |
-
2019
- 2019-12-11 CN CN201911277634.0A patent/CN110916401B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204378554U (en) * | 2015-01-30 | 2015-06-10 | 信阳农林学院 | A kind of body-building office chair loosening leg |
| CN105362028A (en) * | 2015-10-30 | 2016-03-02 | 宁波康福特健身器械有限公司 | Massage sofa |
| CN205696730U (en) * | 2016-05-04 | 2016-11-23 | 南安达泰卫浴有限公司 | A kind of Expressway Service rest device |
| CN108577290A (en) * | 2018-03-09 | 2018-09-28 | 合肥工业大学 | A kind of multifunction seat for improving health |
| CN108635200A (en) * | 2018-04-17 | 2018-10-12 | 赣州市亿研机械设计研究院有限公司 | A kind of medical treatment gynemetrics pregnant woman leg muscle releasing device |
| CN108926155A (en) * | 2018-05-08 | 2018-12-04 | 刘红华 | A kind of obstetrics pregnant woman rest rocking chair |
| CN108991798A (en) * | 2018-07-12 | 2018-12-14 | 廖敏 | A kind of office chair preventing sitting |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110916401A (en) | 2020-03-27 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN112090037B (en) | Chair is tempered to belly | |
| CN112586889A (en) | Desk and chair capable of preventing student from humpback | |
| CN112273871B (en) | Height-adjustable tablet chair with storage function | |
| CN110916401B (en) | Multimedia classroom row chair with leg relaxing function | |
| KR20070051057A (en) | The device for adjusting the height of a chair or a desk | |
| CN106419215A (en) | Anti-falling dual-motor transfer chair | |
| CN109925664A (en) | A kind of flat-pushing body-building device of strong leg | |
| CN108986604B (en) | Combined experimental operating equipment for physics experiments | |
| CN211535528U (en) | Leg massage chair | |
| CN211356648U (en) | Massage device for nursing old people | |
| CN210813945U (en) | Hurdle frame for physical training | |
| CN114391720B (en) | Multifunctional foldable student tablet chair | |
| CN219661264U (en) | Office chair capable of lying down | |
| CN212938982U (en) | Fabric sofa mounting structure | |
| CN110522219A (en) | A kind of application method of office chair | |
| CN210446292U (en) | Integral type rattan seat | |
| CN115413907B (en) | Zero gravity sofa | |
| CN212345928U (en) | Chair with self-rebounding chair back | |
| CN218738043U (en) | Adjustable office chair | |
| CN215076241U (en) | Integrated children learning table and chair | |
| CN114391731B (en) | Student tablet chair capable of massaging waist and back | |
| CN2416801Y (en) | Desk for study with keeping right position function | |
| CN220236482U (en) | Sofa with four-way adjusting headrest | |
| CN110693218B (en) | Outdoor rest seat | |
| CN215958767U (en) | Seating system |
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: 20230821 Address after: 235000 No. 6, Kaiqu East Road, Longhu Industrial Park, Huaibei Economic Development Zone, Anhui Province Applicant after: Anhui Vost Education Equipment Co.,Ltd. Address before: 344700 Shinan Town Industrial Park, Nancheng County, Fuzhou, Jiangxi Applicant before: JIANGXI RUNHUA EDUCATION EQUIPMENT GROUP Co.,Ltd. |
|
| TA01 | Transfer of patent application right | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |