CN219238113U - Garbage transfer box and garbage transfer truck - Google Patents
Garbage transfer box and garbage transfer truck Download PDFInfo
- Publication number
- CN219238113U CN219238113U CN202223256906.9U CN202223256906U CN219238113U CN 219238113 U CN219238113 U CN 219238113U CN 202223256906 U CN202223256906 U CN 202223256906U CN 219238113 U CN219238113 U CN 219238113U
- Authority
- CN
- China
- Prior art keywords
- sealing door
- door
- garbage
- sealing
- discharging
- 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
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/10—Waste collection, transportation, transfer or storage, e.g. segregated refuse collecting, electric or hybrid propulsion
Landscapes
- Refuse-Collection Vehicles (AREA)
Abstract
The utility model relates to the field of garbage transferring equipment and discloses a garbage transferring box and a garbage transferring truck, wherein the garbage transferring box comprises a garbage box main body, a discharging door assembly and a sealing door assembly, the rear end face of the garbage box main body is provided with a discharging opening communicated with the inside, the discharging door assembly comprises a discharging door and a discharging door driving piece, the discharging door is connected with the garbage box main body, the discharging door driving piece is arranged on the garbage box main body and is used for driving the discharging door to open or cover the discharging opening, the discharging door is provided with a feeding hole communicated with the discharging opening, the bottom edge of the feeding hole is arranged higher than the bottom edge of the discharging opening, the sealing door assembly comprises a sealing door and a sealing door driving piece, the sealing door is connected with the garbage box main body, and the sealing door driving piece is arranged on the garbage box main body and is used for driving the sealing door to open or cover the feeding hole. The utility model effectively avoids the phenomenon that the garbage sewage flows out of the outside and pollutes the outside environment in the garbage loading process of the garbage transfer box.
Description
Technical Field
The utility model belongs to the field of garbage transfer equipment, and particularly relates to a garbage transfer box and a garbage transfer truck using the garbage transfer box.
Background
In the existing garbage transfer truck, a garbage inlet and a garbage outlet and a box door which is arranged at the garbage inlet and outlet in an openable manner are arranged at the rear part of a garbage transfer box, when garbage is required to be loaded or unloaded, the box door is opened, and garbage is conveyed into the garbage transfer box through the garbage inlet and outlet or the garbage in the garbage transfer box is output from the garbage inlet and outlet; when the garbage transfer box is in practical application, the phenomenon that garbage sewage flows out of the outside from the bottom edge of the garbage inlet and outlet to pollute the outside environment easily occurs in the process of loading garbage into the garbage transfer box.
Disclosure of Invention
The utility model provides a garbage transfer box and a garbage transfer truck, aiming at solving the technical problem that the existing garbage transfer truck is easy to cause the phenomenon that garbage sewage flows out of the outside to pollute the outside environment in the garbage loading process.
To achieve the above object, the present utility model provides a refuse transfer box comprising:
the dustbin body is provided with a discharging opening communicated with the inside at the end face of the rear part;
the discharging door assembly comprises a discharging door and a discharging door driving piece, the discharging door is connected with the dustbin body, the discharging door driving piece is arranged on the dustbin body and used for driving the discharging door to open or cover the discharging opening, the discharging door is provided with a feeding hole communicated with the discharging opening, and the bottom edge of the feeding hole is higher than the bottom edge of the discharging opening; and
the sealing door assembly comprises a sealing door and a sealing door driving piece, wherein the sealing door is connected with the dustbin body, and the sealing door driving piece is arranged on the dustbin body and used for driving the sealing door to open or cover the feeding hole.
Optionally, the sealing door assembly further comprises a connecting rod, a first end of the connecting rod is connected with the sealing door, a second end of the connecting rod is hinged to the dustbin body, a hinge point of the connecting rod can move along the front-back direction of the dustbin body, the sealing door driving piece is in transmission connection with the connecting rod and can drive the connecting rod to move along the front-back direction of the dustbin body and drive the connecting rod to rotate upwards around the hinge point between the connecting rod and the dustbin body so as to drive the sealing door to move between a sealing position and an avoiding position, the sealing door is located at the sealing position, is located at the outer side of the discharging door and covers the feeding port, and is located at the avoiding position, and is located above the top of the dustbin body.
Optionally, the dustbin body is offered and is followed the spout that its fore-and-aft direction extends, the second end of connecting rod with the dustbin body is articulated through first articulated shaft, first articulated shaft slidable set up in the spout, the second end of connecting rod with the output shaft of sealing door driving piece is articulated through the second articulated shaft, the second articulated shaft is located the below of first articulated shaft, the output shaft of sealing door driving piece sets up to be followed the fore-and-aft direction of dustbin body is flexible motion.
Optionally, the sealing door assembly comprises two connecting rods, first ends of the two connecting rods are respectively connected with two lateral sides of the sealing door in the transverse direction, and second ends of the two connecting rods are respectively hinged with two lateral walls of the dustbin body in the transverse direction.
Optionally, the sealing door assembly further comprises a reinforcing rod connected between the connecting rod and the sealing door.
Optionally, the first end of the connecting rod is connected to the middle part of the sealing door, and one reinforcing rod is respectively arranged between the rod body of the connecting rod and the top and the bottom of the sealing door.
Optionally, a first sealing strip is arranged on the inner side of the discharge door and/or on the outer side of the edge of the discharge opening, and when the discharge door is covered on the discharge opening, the first sealing strip seals a gap between the inner side of the discharge door and the outer side of the edge of the discharge opening.
Optionally, a second sealing strip is arranged on the inner side of the sealing door and/or on the outer side of the edge of the feeding hole, and when the sealing door is covered on the feeding hole, the second sealing strip seals a gap between the inner side of the sealing door and the outer side of the edge of the feeding hole.
Optionally, the unloading door driving piece and the sealing door driving piece are oil cylinders.
The utility model also provides a garbage transfer truck, which comprises a truck body and the garbage transfer box, wherein the garbage transfer box is arranged on the truck body.
In the garbage transfer box, the discharging door and the sealing door are arranged, when garbage is required to be loaded in the garbage box main body, the sealing door is driven to be opened by the sealing door driving piece so as to expose the feeding hole on the discharging door, and the feeding hole is communicated with the discharging hole.
Additional features and advantages of the utility model will be set forth in the detailed description which follows.
Drawings
The accompanying drawings are included to provide a further understanding of the utility model, and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the description serve to explain, without limitation, the utility model. In the drawings:
fig. 1 is a schematic partial structure of a refuse transfer vehicle according to an embodiment of the present utility model;
fig. 2 is a schematic view of the garbage truck of fig. 1 when loading garbage;
FIG. 3 is a schematic view of the refuse transfer vehicle of FIG. 1 in unloading refuse;
fig. 4 is a schematic view of the bottom edge of the discharge opening and the bottom edge of the discharge opening of fig. 1.
Reference numerals illustrate:
1. dustbin main body
11. Chute 12 discharge opening
2. Discharging door
21. Feed inlet
3. Discharge door driving piece
4. Sealing door
5. Sealing door driving piece
6. Connecting rod
7. Reinforcing rod
8. First sealing strip
Detailed Description
The following describes specific embodiments of the present utility model in detail with reference to the drawings. It should be understood that the detailed description and specific examples, while indicating and illustrating the utility model, are not intended to limit the utility model.
In addition, the embodiments of the present utility model and the features of the embodiments may be combined with each other without collision.
In the present utility model, unless otherwise indicated, terms of orientation such as "upper, lower, top, bottom" are used generally with respect to the orientation shown in the drawings or with respect to the positional relationship of the various components with respect to one another in the vertical, vertical or gravitational directions.
The present utility model will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.
The utility model firstly provides a garbage transfer box.
In one embodiment, referring to fig. 1 to 4, the garbage transfer box comprises a main body 1 of the garbage box, a discharging door assembly and a sealing door assembly, wherein a discharging opening 12 communicated with the inside is arranged on the rear end face of the main body 1 of the garbage box, the discharging door assembly comprises a discharging door 2 and a discharging door driving piece 3, the discharging door 2 is connected with the main body 1 of the garbage box, the discharging door driving piece 3 is arranged on the main body 1 of the garbage box and is used for driving the discharging door 2 to open or cover the discharging opening 12, a feeding opening 21 communicated with the discharging opening 12 is arranged on the discharging door 2, the bottom edge of the feeding opening 21 is arranged to be higher than the bottom edge of the discharging opening 12, the sealing door assembly comprises a sealing door 4 and a sealing door driving piece 5, the sealing door 4 is connected with the main body 1 of the garbage box, and the sealing door driving piece 5 is arranged on the main body 1 and is used for driving the sealing door 4 to open or cover the feeding opening 21.
As can be appreciated, in the garbage transfer box of the present embodiment, there are provided the discharge door 2 and the sealing door 4, when garbage is required to be loaded into the garbage box main body 1, the sealing door 4 is driven to be opened by the sealing door driving member 5 to expose the feed port 21 on the discharge door 2, and since the feed port 21 is communicated with the discharge port 12, the discharge port 12 is communicated with the inside of the garbage box main body 1, when the feed port 21 is exposed, the garbage required to be loaded can be sequentially conveyed into the garbage box main body 1 through the feed port 21 and the discharge port 12, and in the process of loading the garbage, the bottom edge of the feed port 21 is set higher than the bottom edge of the discharge port 12, the garbage sewage can be blocked by the bottom edge of the feed port 21 and can not flow out of the outside, thus effectively avoiding the phenomenon that the garbage transfer box is polluted by the garbage sewage flowing out of the outside in the process of loading the garbage; when the garbage in the garbage can body 1 needs to be unloaded, the sealing door 4 is driven to be opened by the sealing door driving piece 5, then the discharging door 2 is driven to be opened by the discharging door driving piece 3 so as to expose the discharging opening 12, and at the moment, the garbage can be pushed out from the discharging opening 12 by a pushing shovel arranged in the garbage can body 1.
Specifically, the unloading door 2 can be hinged with the dustbin body 1, a locking component is arranged between the unloading door 2 and the dustbin body 1, and the locking component is used for locking the position of the unloading door 2 when the unloading door 2 covers the unloading opening 12, so that the unloading door 2 can better seal the unloading opening 12 in the process of transporting the dustbin, in this embodiment, the specific structure of the unloading door 2, the connection structure between the unloading door 2 and the dustbin body 1 and the locking component are all conventional structures in the art, and will not be repeated herein.
In one embodiment, the sealing door assembly further comprises a connecting rod 6, the first end of the connecting rod 6 is connected with the sealing door 4, the second end of the connecting rod 6 is hinged to the dustbin body 1, the hinge point can move along the front-back direction of the dustbin body 1, the sealing door driving piece 5 is in transmission connection with the connecting rod 6, the connecting rod 6 can be driven to move along the front-back direction of the dustbin body 1 and can be driven to rotate upwards around the hinge point between the connecting rod 6 and the dustbin body 1, so that the sealing door 4 is driven to move between a sealing position and an avoidance position, the sealing door 4 is located at the sealing position, the sealing door 4 is located at the outer side of the discharging door 2 and covered at the feeding port 21, and is located at the avoidance position, and the sealing door 4 is located above the top of the dustbin body 1.
In one embodiment, the dustbin body 1 is provided with a chute 11 extending in the front-rear direction thereof, the second end of the connecting rod 6 is hinged to the dustbin body 1 through a first hinge shaft slidably provided in the chute 11, the second end of the connecting rod 6 is hinged to the output shaft of the sealing door driving member 5 through a second hinge shaft provided below the first hinge shaft, and the output shaft of the sealing door driving member 5 is provided to perform telescopic movement in the front-rear direction of the dustbin body 1.
It will be appreciated that the dustbin body 1 is provided with a chute 11 extending in the front-rear direction thereof, the second end of the connecting rod 6 is hinged to the dustbin body 1 by a first hinge shaft, the first hinge shaft is slidably provided in the chute 11, and thus, the second end of the connecting rod 6 can be hinged to the dustbin body 1 and the hinge point can be moved in the front-rear direction of the dustbin body 1.
It will be appreciated that the second end of the connecting rod 6 is hinged to the output shaft of the sealing door driving member 5 via a second hinge shaft, the second hinge shaft is located below the first hinge shaft, and the output shaft of the sealing door driving member 5 is arranged to perform telescopic motion along the front-rear direction of the dustbin body 1, so that the sealing door driving member 5 can drive the connecting rod 6 to move along the front-rear direction of the dustbin body 1 and can drive the connecting rod 6 to rotate upwards around the hinge point between the connecting rod and the dustbin body 1, so as to drive the sealing door 4 to move between the sealing position and the avoiding position.
Specifically, the chute 11 may be formed on a lateral side wall of the main body 1 of the dustbin, or a connection board is disposed on a lateral side wall of the main body 1 of the dustbin, and the chute 11 is formed on the connection board.
In one embodiment, the sealing door assembly comprises two connecting rods 6, the first ends of the two connecting rods 6 are respectively connected with two lateral side edges of the sealing door 4, and the second ends of the two connecting rods 6 are respectively hinged with two lateral side walls of the dustbin body 1, so that the structural strength of connection can be effectively improved, and the reliability of movement of the sealing door 4 is ensured.
Specifically, the sealing door assembly may further include two sealing door driving members 5, where the two sealing door driving members 5 are respectively installed on two lateral walls of the main body 1 of the dustbin in the transverse direction and are respectively in transmission connection with two connecting rods 6, so that the reliability of driving the sealing door 4 to move can be further improved.
Specifically, a slide block capable of sliding along the extending direction of the slide groove 11 may be disposed in the slide groove 11, and the first hinge shaft is connected to the slide block, so that the first hinge shaft is slidably disposed in the slide groove 11.
In one embodiment, the sealing door assembly further comprises a reinforcing rod 7 connected between the connecting rod 6 and the sealing door 4, and the sealing door assembly is arranged in such a way that the structural strength of the connection between the sealing door 4 and the connecting rod 6 is effectively improved, and the service life of the sealing door assembly is prolonged.
In one embodiment, the first end of the connecting rod 6 is connected to the middle part of the sealing door 4, and a reinforcing rod 7 is respectively arranged between the rod body of the connecting rod 6 and the top and bottom of the sealing door 4, so that the structural strength of the connection between the sealing door 4 and the connecting rod 6 can be further improved, and the service life of the sealing door assembly is further prolonged.
Specifically, one end of the reinforcing rod 7 may be fixedly connected to the rod body of the connecting rod 6 by means of welding, and the other end may be fixedly connected to the sealing door 4 by means of welding.
In one embodiment, the first sealing strip 8 is disposed on the inner side of the discharge door 2 and/or on the outer side of the edge of the discharge opening 12, when the discharge door 2 is closed to the discharge opening 12, the first sealing strip 8 seals the gap between the inner side of the discharge door 2 and the outer side of the edge of the discharge opening 12, so that when the discharge door 2 is closed to the discharge opening 12, the problem that garbage or garbage sewage leaks from the gap between the inner side of the discharge door 2 and the outer side of the edge of the discharge opening 12 to pollute the external environment can be effectively avoided.
In particular, the first sealing strip 8 may be fixedly connected to the inside of the discharge door 2 and/or the outside of the edge of the discharge opening 12 by means of a connection such as an adhesive or a snap fit and be arranged around the discharge opening 12.
In one embodiment, the second sealing strip is disposed on the inner side of the sealing door 4 and/or on the outer side of the edge of the feed inlet 21, when the sealing door 4 is closed to the feed inlet 21, the second sealing strip seals the gap between the inner side of the sealing door 4 and the outer side of the edge of the feed inlet 21, so that when the sealing door 4 is closed to the feed inlet 21, the problem that garbage or garbage sewage leaks from the gap between the inner side of the sealing door 4 and the outer side of the edge of the feed inlet 21 to pollute the external environment can be effectively avoided.
Specifically, the second sealing strip (not shown) may be fixedly connected to the inside of the sealing door 4 and/or the outside of the edge of the inlet 21 by means of a connection such as bonding or clamping, and disposed around the inlet 21.
In one embodiment, the unloading door driving piece 3 and the sealing door driving piece 5 are oil cylinders, so that the unloading door 2 and the sealing door 4 are driven to move through the oil cylinders to be opened or closed, manual operation is not needed, the degree of automation is high, and the operation is convenient.
The utility model also provides a garbage transfer truck, which comprises a truck body and the garbage transfer box, wherein the garbage transfer box is arranged on the truck body, and particularly, the garbage transfer truck can be a compression type garbage semitrailer or other garbage transfer trucks with garbage transfer functions.
The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the utility model.
In addition, the specific features described in the above embodiments may be combined in any suitable manner, and in order to avoid unnecessary repetition, various possible combinations are not described further.
Moreover, any combination of the various embodiments of the utility model can be made without departing from the spirit of the utility model, which should also be considered as disclosed herein.
Claims (10)
1. A refuse transfer box, comprising:
the dustbin body (1) is provided with a discharging opening (12) communicated with the inside at the end face of the rear part;
the discharging door assembly comprises a discharging door (2) and a discharging door driving piece (3), wherein the discharging door (2) is connected with the dustbin body (1), the discharging door driving piece (3) is arranged on the dustbin body (1) and used for driving the discharging door (2) to open or cover the discharging opening (12), the discharging door (2) is provided with a feeding hole (21) communicated with the discharging opening (12), and the bottom edge of the feeding hole (21) is higher than the bottom edge of the discharging opening (12); and
the sealing door assembly comprises a sealing door (4) and a sealing door driving piece (5), wherein the sealing door (4) is connected with the dustbin body (1), and the sealing door driving piece (5) is arranged on the dustbin body (1) and used for driving the sealing door (4) to open or cover the feeding hole (21).
2. The garbage transfer box according to claim 1, characterized in that the sealing door assembly further comprises a connecting rod (6), a first end of the connecting rod (6) is connected with the sealing door (4), a second end of the connecting rod (6) is hinged with the garbage box main body (1) and a hinged point can move along the front-back direction of the garbage box main body (1), the sealing door driving piece (5) is in transmission connection with the connecting rod (6) and can drive the connecting rod (6) to move along the front-back direction of the garbage box main body (1) and can drive the connecting rod (6) to rotate upwards around a hinged point between the connecting rod and the garbage box main body (1) so as to drive the sealing door (4) to move between a sealing position and an avoiding position, wherein the sealing door (4) is located on the outer side of the discharging door (2) and covers the feeding port (21) and is located at the avoiding position, and the sealing door (4) is located above the top of the garbage box main body (1).
3. The garbage transfer box according to claim 2, characterized in that the garbage box body (1) is provided with a chute (11) extending along the front-rear direction thereof, the second end of the connecting rod (6) is hinged with the garbage box body (1) through a first hinge shaft, the first hinge shaft is slidably arranged on the chute (11), the second end of the connecting rod (6) is hinged with the output shaft of the sealing door driving member (5) through a second hinge shaft, the second hinge shaft is positioned below the first hinge shaft, and the output shaft of the sealing door driving member (5) is arranged to perform telescopic motion along the front-rear direction of the garbage box body (1).
4. A refuse transfer box according to claim 2, characterized in that the sealing door assembly comprises two connecting rods (6), the first ends of the two connecting rods (6) are respectively connected with two lateral side edges of the sealing door (4), and the second ends of the two connecting rods (6) are respectively hinged with two lateral side walls of the refuse box body (1).
5. A refuse transfer box according to claim 2, characterized in that the sealing door assembly further comprises a reinforcing bar (7) connected between the connecting bar (6) and the sealing door (4).
6. The garbage transfer box according to claim 5, wherein the first end of the connecting rod (6) is connected to the middle part of the sealing door (4), and one reinforcing rod (7) is respectively arranged between the rod body of the connecting rod (6) and the top and the bottom of the sealing door (4).
7. The refuse transfer box according to claim 1, characterized in that a first sealing strip (8) is arranged on the inner side of the discharge door (2) and/or on the outer side of the edge of the discharge opening (12), and when the discharge door (2) is covered on the discharge opening (12), the first sealing strip (8) seals a gap between the inner side of the discharge door (2) and the outer side of the edge of the discharge opening (12).
8. The refuse transfer box according to claim 1, characterized in that a second sealing strip is provided on the inside of the sealing door (4) and/or on the outside of the edge of the feed opening (21), said second sealing strip sealing the gap between the inside of the sealing door (4) and the outside of the edge of the feed opening (21) when the sealing door (4) is closed to the feed opening (21).
9. A refuse transfer box according to claim 1, characterized in that the discharge gate drive (3) and the sealing gate drive (5) are both oil cylinders.
10. A refuse transfer vehicle comprising a vehicle body and a refuse transfer box according to any one of claims 1 to 9, the refuse transfer box being provided on the vehicle body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223256906.9U CN219238113U (en) | 2022-12-05 | 2022-12-05 | Garbage transfer box and garbage transfer truck |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223256906.9U CN219238113U (en) | 2022-12-05 | 2022-12-05 | Garbage transfer box and garbage transfer truck |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219238113U true CN219238113U (en) | 2023-06-23 |
Family
ID=86846733
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223256906.9U Active CN219238113U (en) | 2022-12-05 | 2022-12-05 | Garbage transfer box and garbage transfer truck |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219238113U (en) |
-
2022
- 2022-12-05 CN CN202223256906.9U patent/CN219238113U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| MXPA06002179A (en) | Railcar with discharge control system. | |
| MXPA06002178A (en) | Railway hopper car with longitudinal discharge openings. | |
| CN207404275U (en) | A kind of upward-acting door railway transportation container | |
| CN219238113U (en) | Garbage transfer box and garbage transfer truck | |
| CN210822487U (en) | Cargo compartment with top cover capable of being turned over from two sides and dump truck with cargo compartment | |
| CN103465372B (en) | A kind of trucd mixer and charging/discharging device thereof | |
| CN110921117A (en) | Multipurpose container with lower discharging device at end part | |
| CN110203234B (en) | Top cover device and railway wagon | |
| CA3037656C (en) | Hopper car | |
| CN107720022B (en) | Railway transportation container with upper door | |
| CN205274253U (en) | Solid bulk container | |
| CN209581282U (en) | A kind of roof side opening type carriage | |
| CN210478368U (en) | A half open type back door for special type vehicle | |
| CN103465373B (en) | A kind of trucd mixer fills and has its trucd mixer | |
| CN203727994U (en) | Automatic loading window of particle material transport cart | |
| CN215400775U (en) | Discharge door assembly and storage device with same | |
| CN105329245A (en) | Combined type grid bottom door device and wagon hopper car | |
| CN212764088U (en) | Leak protection device and concrete tank car | |
| CN113370870B (en) | Vehicle with a steering wheel | |
| CN209479513U (en) | Side-turn self-discharging wagon hydraulic selector door machine structure | |
| CN219192022U (en) | Retroverted self-unloading freight container | |
| CN221090617U (en) | Tail door mechanism for container, container and vehicle | |
| CN216101741U (en) | Self-sealing-based dumper device | |
| CN216467771U (en) | Hopper car bottom door device and hopper car | |
| CN2578161Y (en) | Multifunctional environmental protection freight vehicles |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |