CN212662122U - Convenient current adjustable wheelchair auxiliary wheel - Google Patents
Convenient current adjustable wheelchair auxiliary wheel Download PDFInfo
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- CN212662122U CN212662122U CN202020552528.0U CN202020552528U CN212662122U CN 212662122 U CN212662122 U CN 212662122U CN 202020552528 U CN202020552528 U CN 202020552528U CN 212662122 U CN212662122 U CN 212662122U
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- connecting rod
- auxiliary wheel
- convenient
- wheelchair
- tire
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- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000003745 diagnosis Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
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Abstract
A convenient-to-pass adjustable wheelchair auxiliary wheel comprises a central shaft, hubs, tires, a support, bending connecting rods, connecting rods and a frame connecting rod, wherein the hubs are arranged on the outer side of the central shaft, spokes of the hubs are equidistantly arranged on a hub ring, the hubs are fixedly connected with the central shaft, the number of the spokes of the hubs is four, and the spokes are provided with lamps in an embedded manner, so that the convenient-to-use wheelchair auxiliary wheel is convenient to use; the outer wall of the hub is sleeved with the tire, and the tire has triple anti-skid guarantee and can effectively prevent skid; the bracket is arranged at two ends of the central shaft through bolts, a first gasket is arranged between the first bolt and the bracket, and a brake assembly is arranged on one side of the upper end of the bracket; the auxiliary wheel is connected with the frame connecting rod through a bending connecting rod and a connecting rod, one end of the bending connecting rod is fixedly connected with the upper end of the support, and one end of the bending connecting rod, which is far away from the auxiliary wheel, is fixedly connected with the lower end of the connecting rod; the connecting rod is connected with the frame connecting rod through a bolt, the distance between the connecting rod and the frame connecting rod is adjustable, and the height of the auxiliary wheel is adjustable.
Description
Technical Field
The utility model belongs to the technical field of the wheelchair, specifically, relate to a convenient current adjustable wheelchair auxiliary wheel.
Background
The wheel chair is divided into electric and manual folding wheel chairs, is used as an important moving tool for home rehabilitation, turnover transportation, diagnosis and outgoing activities of wounded, sick and disabled people, and can only be used as a tool for riding instead of walking by depending on a common wheel chair at present to meet the requirement of simple traveling. But the old person who uses ordinary wheelchair and the disabled person of low limbs are under the condition that does not have other people's help, it is inconvenient when independent use night, and current wheelchair auxiliary wheel is fixed on the wheelchair frame mostly, can not adjust the height according to the situation of difference, the device that does not satisfy this kind of demand yet on the existing market, in order to make the demand that satisfies different of wheelchair auxiliary wheel, and solve the potential safety hazard when old person and disabled person use the wheelchair alone or the inconvenient nature of going out, urgent need a convenient current and adjustable wheelchair auxiliary wheel.
SUMMERY OF THE UTILITY MODEL
Utility model purpose: the utility model aims at providing a convenient current adjustable wheelchair auxiliary wheel, the height of auxiliary wheel can be adjusted, satisfies the demand of various differences, has pedal brake on the auxiliary wheel, is equipped with the fluorescent tube on the auxiliary wheel, more makes things convenient for the wheelchair current.
The technical scheme is as follows: the utility model provides a convenient-to-pass adjustable wheelchair auxiliary wheel, which structurally comprises a central shaft, four wheel hubs, four tires, a bracket, a bending connecting rod, a connecting rod and a frame connecting rod, wherein the wheel hubs are arranged outside the central shaft, the wheel spokes of the wheel hubs are arranged on a wheel hub ring at equal intervals, and the wheel hubs are fixedly connected with the central shaft; a lamp is embedded in the spoke and consists of an LED lamp ring, a button battery, a wiring and a transparent lamp cover; the outer wall of the hub is sleeved with a tire; the support is arranged at two ends of the central shaft through a first bolt, a first gasket is arranged between the first bolt and the support, and a brake assembly is arranged on one side of the upper end of the support; the auxiliary wheel is connected with the frame connecting rod through a bending connecting rod and a connecting rod, one end of the bending connecting rod is fixedly connected with the upper end of the support, and one end of the bending connecting rod, which is far away from the auxiliary wheel, is fixedly connected with the lower end of the connecting rod; the connecting rod is connected with the frame connecting rod through the bolt, the distance between the connecting rod and the frame connecting rod is adjustable, the wheelchair is suitable for different wheelchairs, and various different requirements are met.
Furthermore, the tire outer wall is provided with equidistant anti-skidding concave grooves, the tire outer walls on two sides of the anti-skidding concave grooves are provided with equidistant anti-skidding blocks, and the tire outer wall between every two adjacent anti-skidding blocks is provided with equidistant anti-skidding columns. The tire has anti-skidding concave groove and non-slipping spur and non-slip column, and triple anti-skidding guarantee can effective antiskid, prevents the inconvenience that causes because of road conditions reasons such as rainy day, snow day, makes things convenient for wheelchair safety trip.
Furthermore, the brake assembly comprises a brake block, a brake pedal and a brake pad; the inside cavity of brake block, inside are equipped with brake spring, and brake spring upper end is connected with stepping on brake pedal, and the brake spring lower extreme is connected with the brake block, still be equipped with the louvre on the brake block, when stepping on brake pedal, compress brake spring, and then make brake block and tire contact, just can lock the auxiliary wheel, and it is convenient to brake.
Furthermore, a plurality of outer screw holes are formed in the connecting rod, and a plurality of inner screw holes are formed in the frame connecting rod; the connecting rod is connected with the frame connecting rod through a second bolt, a cylindrical nut, a hexagonal nut, an outer screw hole and an inner screw hole; the outer screw hole is through passing through second bolt, cylinder nut and hexagon nut fixed connection with different interior screw hole, adjusts the distance between connecting rod and the frame connecting rod, and then adjusts the distance of auxiliary wheel and wheelchair, and then adjusts the height of auxiliary wheel, can satisfy the user demand of different wheelchairs, adapt to different road conditions.
Furthermore, the outer screw hole has the same aperture as the inner screw hole and is matched with the second bolt.
Further, a second gasket is arranged between the second bolt and the cylindrical nut, and a third gasket is arranged between the hexagonal nut and the connecting rod.
Further, the length of the frame connecting rod is telescopic, the distance between the connecting rod and the frame connecting rod can be adjusted, and the distance between the auxiliary wheel and the wheelchair is further adjusted.
Above-mentioned technical scheme can find out, the utility model discloses following beneficial effect has: the convenient-to-pass adjustable wheelchair auxiliary wheel has the advantages of simple and reasonable structure, convenient use, low application cost, good adaptability, adjustable length of the frame connecting rod, adjustable distance between the auxiliary wheel and the wheelchair, and adjustable height of the auxiliary wheel so as to adapt to different requirements; the tire of the wheelchair auxiliary wheel has triple antiskid guarantee, can effectively prevent skidding, prevent inconvenience caused by road conditions such as rainy days, snowy days and the like, and facilitate safe travel of the wheelchair; the auxiliary wheel of the wheelchair is provided with the illuminating lamp, so that the wheelchair is convenient to use at night; the utility model discloses a wheelchair auxiliary wheel still is equipped with brake assembly, and it is easy to brake, and it is more convenient to use.
Drawings
FIG. 1 is a schematic view of the structure of an auxiliary wheel of a wheelchair of the present invention;
FIG. 2 is a schematic view of the structure of an auxiliary wheel of the wheelchair of the present invention;
FIG. 3 is a schematic structural view of the connecting rod of the auxiliary wheel of the wheelchair of the present invention;
FIG. 4 is a schematic structural view of the auxiliary wheel bracket and the brake assembly of the wheelchair of the present invention;
FIG. 5 is a schematic structural view of the light of the wheelchair auxiliary wheel of the present invention;
fig. 6 is a schematic structural view of the brake block of the auxiliary wheel of the wheelchair of the present invention.
In the figure: 1 center shaft, 2 hub, 22 spoke, 220 lamp, 221: the LED lamp ring, 222 button cells, 223 wiring, 224 transparent lamp covers, 3-fold connecting rods, 401 connecting rods, 402 frame connecting rods, 501 second bolts, 502 second gaskets, 503 cylindrical nuts, 504 hexagonal nuts, 505 third gaskets, 601 external screw holes, 602 internal screw holes, 7 brake components, 701 brake blocks, 702 brake pedals, 703 brake blocks, 704 heat dissipation holes, 705 fixing shafts, 706 brake springs, 8 supports, 801 first gaskets, 802 first bolts, 9 tires, 901 anti-skid columns, 902 anti-skid blocks and 903 anti-skid concave grooves.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "clockwise", "counterclockwise" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, unless otherwise specified, "a plurality" means two or more unless explicitly defined otherwise.
In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
Example 1
The convenient-to-pass adjustable wheelchair auxiliary wheel shown in fig. 1-5 structurally comprises a central shaft 1, hubs 2, tires 9, a support 8, a bending connecting rod 3, a connecting rod 401 and a frame connecting rod 402, wherein the hubs 2 are arranged on the outer side of the central shaft 1, the spokes 22 of the hubs 2 are arranged on a hub ring at equal intervals, the hubs 2 are fixedly connected with the central shaft 1, and the number of the spokes 22 of the hubs 2 is four; a lamp 220 is embedded in the spoke 22, and the lamp 220 consists of an LED lamp ring (221), a button cell 223, a wiring 222 and a transparent lamp cover 224; the outer wall of the hub 2 is sleeved with a tire 9; the bracket 8 is arranged at two ends of the central shaft 1 through a first bolt 802, a first gasket 801 is arranged between the first bolt 802 and the bracket 8, and a brake assembly 7 is arranged on one side of the upper end of the bracket 8; the auxiliary wheel is connected with a frame connecting rod 402 through a bending connecting rod 3 and a connecting rod 401, one end of the bending connecting rod 3 is fixedly connected with the upper end of the bracket 8, and one end of the bending connecting rod 3, which is far away from the auxiliary wheel, is fixedly connected with the lower end of the connecting rod 401; the connecting rod 401 is in bolted connection with the frame connecting rod 402, and the distance between the connecting rod 401 and the frame connecting rod 402 is adjustable.
In the structure, the outer wall of the tire 9 is provided with the anti-skid concave grooves 903 at equal intervals, the outer walls of the tire 9 at the two sides of the anti-skid concave grooves 903 are provided with the anti-skid blocks 902 at equal intervals, and the outer wall of the tire 9 between the adjacent anti-skid blocks 902 is provided with the anti-skid columns 901 at equal intervals. The tire 9 is provided with an anti-skid concave groove 903, an anti-skid block 902 and an anti-skid column 901, and the three anti-skid guarantee can effectively prevent skidding, prevent inconvenience caused by road conditions such as rainy days and snowy days and facilitate safe travel of the wheelchair.
In the above structure, the brake assembly 7 is fixedly connected to the convex part of the bracket 8 through a fixing shaft 705, and the brake assembly 7 is composed of a brake block 701, a brake pedal 702 and a brake pad 703; the inside cavity of brake block 701, inside is equipped with brake spring 706, and brake spring 706 upper end is connected with stepping on brake pedal 702, and brake spring 706 lower extreme is connected with brake block 703, still be equipped with louvre 704 on the brake block 701, when stepping on brake pedal 702, compress brake spring 706, and then make brake block 703 and tire contact, just can lock the auxiliary wheel, and it is convenient to brake. The detailed structural details and the working principle of the brake assembly 7 are disclosed in the prior patent CN 201620481970.
Secondly, a plurality of outer screw holes 601 are formed in the connecting rod 401, and a plurality of inner screw holes 602 are formed in the frame connecting rod 402; the connecting rod 401 is connected with the frame connecting rod 402 through a second bolt 501, a cylindrical nut 503, a hexagonal nut 504, an outer screw hole 601 and an inner screw hole 602; the outer screw holes 601 are fixedly connected with different inner screw holes 602 through second bolts 501, cylindrical nuts 503 and hexagonal nuts 504, so that the distance between the connecting rod 401 and the frame connecting rod 402 is adjusted, the distance between the auxiliary wheel and the wheelchair is adjusted, the height of the auxiliary wheel is adjusted, and the use requirements of different wheelchairs and different road conditions can be met.
In addition, the outer screw hole 601 has the same diameter as the inner screw hole 602, and is matched with the second bolt 501.
Third, a second gasket 502 is arranged between the second bolt 501 and the cylindrical nut 503, and a third gasket 505 is arranged between the hexagonal nut 504 and the connecting rod 401.
Example 2
A convenient-to-pass adjustable wheelchair auxiliary wheel structurally comprises a central shaft 1, hubs 2, tires 9, a support 8, a bending connecting rod 3, a connecting rod 401 and a frame connecting rod 402, wherein the hubs 2 are arranged on the outer side of the central shaft 1, spokes 22 of the hubs 2 are arranged on a hub ring at equal intervals, the hubs 2 are fixedly connected with the central shaft 1, and the number of the spokes 22 of the hubs 2 is four; a lamp 220 is embedded in the spoke 22, and the lamp 220 consists of an LED lamp ring (221), a button cell 223, a wiring 222 and a transparent lamp cover 224; the outer wall of the hub 2 is sleeved with a tire 9; the bracket 8 is arranged at two ends of the central shaft 1 through a first bolt 802, a first gasket 801 is arranged between the first bolt 802 and the bracket 8, and a brake assembly 7 is arranged on one side of the upper end of the bracket 8; the auxiliary wheel is connected with a frame connecting rod 402 through a bending connecting rod 3 and a connecting rod 401, one end of the bending connecting rod 3 is fixedly connected with the upper end of the bracket 8, and one end of the bending connecting rod 3, which is far away from the auxiliary wheel, is fixedly connected with the lower end of the connecting rod 401; the connecting rod 401 is in bolted connection with the frame connecting rod 402, and the distance between the connecting rod 401 and the frame connecting rod 402 is adjustable.
In the structure, the outer wall of the tire 9 is provided with the anti-skid concave grooves 903 at equal intervals, the outer walls of the tire 9 at the two sides of the anti-skid concave grooves 903 are provided with the anti-skid blocks 902 at equal intervals, and the outer wall of the tire 9 between the adjacent anti-skid blocks 902 is provided with the anti-skid columns 901 at equal intervals. The tire 9 is provided with an anti-skid concave groove 903, an anti-skid block 902 and an anti-skid column 901, and the three anti-skid guarantee can effectively prevent skidding, prevent inconvenience caused by road conditions such as rainy days and snowy days and facilitate safe travel of the wheelchair.
In the above structure, the brake assembly 7 is fixedly connected to the convex part of the bracket 8 through a fixing shaft 705, and the brake assembly 7 is composed of a brake block 701, a brake pedal 702 and a brake pad 703; the inside cavity of brake block 701, inside is equipped with brake spring 706, and brake spring 706 upper end is connected with stepping on brake pedal 702, and brake spring 706 lower extreme is connected with brake block 703, still be equipped with louvre 704 on the brake block 701, when stepping on brake pedal 702, compress brake spring 706, and then make brake block 703 and tire contact, just can lock the auxiliary wheel, and it is convenient to brake.
Secondly, a plurality of outer screw holes 601 are formed in the connecting rod 401, and a plurality of inner screw holes 602 are formed in the frame connecting rod 402; the connecting rod 401 is connected with the frame connecting rod 402 through a second bolt 501, a cylindrical nut 503, a hexagonal nut 504, an outer screw hole 601 and an inner screw hole 602; the outer screw holes 601 are fixedly connected with different inner screw holes 602 through second bolts 501, cylindrical nuts 503 and hexagonal nuts 504, so that the distance between the connecting rod 401 and the frame connecting rod 402 is adjusted, the distance between the auxiliary wheel and the wheelchair is adjusted, the height of the auxiliary wheel is adjusted, and the use requirements of different wheelchairs and different road conditions can be met.
Third, the outer screw hole 601 has the same diameter as the inner screw hole 602, and is matched with the second bolt 501.
In addition, a second gasket 502 is arranged between the second bolt 501 and the cylindrical nut 503, and a third gasket 505 is arranged between the hexagonal nut 504 and the connecting rod 401.
In the above structure, the length of the frame connecting rod 402 is telescopic, so that the distance between the connecting rod 401 and the frame connecting rod 402 can be adjusted, and the distance between the auxiliary wheel and the wheelchair can be further adjusted.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications can be made without departing from the principles of the present invention, and these modifications should also be regarded as the protection scope of the present invention.
Claims (8)
1. The utility model provides a convenient current adjustable wheelchair auxiliary wheel which characterized in that: the structure of the bicycle comprises a central shaft (1), a hub (2), a tire (9), a support (8), a bending connecting rod (3), a connecting rod (401) and a frame connecting rod (402), wherein the hub (2) is arranged on the outer side of the central shaft (1), spokes (22) of the hub (2) are arranged on a hub ring at equal intervals, the hub (2) is fixedly connected with the central shaft (1), and the number of the spokes (22) of the hub (2) is four; a lamp (220) is embedded in the spoke (22), and a tire (9) is sleeved on the outer wall of the hub (2); the support (8) is arranged at two ends of the central shaft (1) through a first bolt (802), a first gasket (801) is arranged between the first bolt (802) and the support (8), and one side of the upper end of the support (8) is provided with a brake assembly (7); the auxiliary wheel is connected with a frame connecting rod (402) through a bending connecting rod (3) and a connecting rod (401), one end of the bending connecting rod (3) is fixedly connected with the upper end of the support (8), and one end, far away from the auxiliary wheel, of the bending connecting rod (3) is fixedly connected with the lower end of the connecting rod (401); the connecting rod (401) is in bolted connection with the frame connecting rod (402), and the distance between the connecting rod (401) and the frame connecting rod (402) is adjustable.
2. A convenient-to-walk adjustable wheelchair accessory wheel as claimed in claim 1, wherein: the lamp (220) is composed of an LED lamp ring (221), a button cell (223), a wiring (222) and a transparent lamp cover (224).
3. A convenient-to-walk adjustable wheelchair accessory wheel as claimed in claim 1, wherein: the anti-skidding tire is characterized in that anti-skidding concave grooves (903) with equal intervals are formed in the outer wall of the tire (9), anti-skidding blocks (902) with equal intervals are arranged on the outer wall of the tire (9) on the two sides of each anti-skidding concave groove (903), and anti-skidding columns (901) with equal intervals are arranged on the outer wall of the tire (9) between every two adjacent anti-skidding blocks (902).
4. A convenient-to-walk adjustable wheelchair accessory wheel as claimed in claim 1, wherein: the brake component (7) is composed of a brake block (701), a brake pedal (702) and a brake pad (703).
5. A convenient-to-walk adjustable wheelchair accessory wheel as claimed in claim 1, wherein: a plurality of outer screw holes (601) are formed in the connecting rod (401), and a plurality of inner screw holes (602) are formed in the frame connecting rod (402); the connecting rod (401) is connected with the frame connecting rod (402) through a second bolt (501), a cylindrical nut (503), a hexagonal nut (504), an outer screw hole (601) and an inner screw hole (602); the outer screw hole (601) is fixedly connected with different inner screw holes (602) through a second bolt (501), a cylindrical nut (503) and a hexagonal nut (504), so that the distance between the connecting rod (401) and the frame connecting rod (402) is adjusted, the distance between the auxiliary wheel and the wheelchair is further adjusted, and the height of the auxiliary wheel is further adjusted to adapt to different road conditions.
6. A convenient-to-pass adjustable wheelchair auxiliary wheel as claimed in claim 5, wherein: the outer screw hole (601) is the same as the inner screw hole (602) in diameter and is matched with the second bolt (501).
7. A convenient-to-pass adjustable wheelchair auxiliary wheel as claimed in claim 5, wherein: and a second gasket (502) is arranged between the second bolt (501) and the cylindrical nut (503), and a third gasket (505) is arranged between the hexagonal nut (504) and the connecting rod (401).
8. A conveniently accessible adjustable wheelchair auxiliary wheel according to claim 1 or 5 wherein: the length of the frame connecting rod (402) is telescopic, the distance between the connecting rod (401) and the frame connecting rod (402) can be adjusted, and the distance between the auxiliary wheel and the wheelchair is further adjusted.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202020552528.0U CN212662122U (en) | 2020-04-15 | 2020-04-15 | Convenient current adjustable wheelchair auxiliary wheel |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202020552528.0U CN212662122U (en) | 2020-04-15 | 2020-04-15 | Convenient current adjustable wheelchair auxiliary wheel |
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Publication Number | Publication Date |
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CN212662122U true CN212662122U (en) | 2021-03-09 |
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ID=74811724
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN202020552528.0U Expired - Fee Related CN212662122U (en) | 2020-04-15 | 2020-04-15 | Convenient current adjustable wheelchair auxiliary wheel |
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CN (1) | CN212662122U (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
TWI794977B (en) * | 2021-09-15 | 2023-03-01 | 康揚股份有限公司 | The base structure of the electric wheelchair |
-
2020
- 2020-04-15 CN CN202020552528.0U patent/CN212662122U/en not_active Expired - Fee Related
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
TWI794977B (en) * | 2021-09-15 | 2023-03-01 | 康揚股份有限公司 | The base structure of the electric wheelchair |
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GR01 | Patent grant | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210309 |
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CF01 | Termination of patent right due to non-payment of annual fee |