CN218878759U - Rectangular coordinate robot for automatically stacking and unstacking barrel-shaped materials - Google Patents
Rectangular coordinate robot for automatically stacking and unstacking barrel-shaped materials Download PDFInfo
- Publication number
- CN218878759U CN218878759U CN202320552459.7U CN202320552459U CN218878759U CN 218878759 U CN218878759 U CN 218878759U CN 202320552459 U CN202320552459 U CN 202320552459U CN 218878759 U CN218878759 U CN 218878759U
- Authority
- CN
- China
- Prior art keywords
- guide rail
- driving
- rotating wheel
- fixed mounting
- fixed
- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
- Y02P90/02—Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]
Landscapes
- Manipulator (AREA)
Abstract
The utility model discloses an automatic sign indicating number rectangular coordinate robot of breaking a jam of tubbiness material, include: the three-way guide rail, a drive installation gets a anchor clamps on the three-way guide rail, gets a anchor clamps and contains fixed mounting frame, servo motor, fixed plate, die-pin, fixed disk and detection switch, fixed mounting frame and lifter plate fixed mounting, fixed mounting frame tip fixed mounting servo motor, fixed mounting frame tip lower extreme rotate connect the fixed plate, fixed plate front end fixed mounting fixed disk, and a plurality of die-pin is installed to the tip of fixed disk. The utility model discloses realize that the anchor clamps of getting can be nimble in X axle, Y axle and Z axle high accuracy removal, servo motor drive fixed plate axis of ordinates turn to the motion, make the die-pin can alternate the direction, accomplish the clamp of tubbiness material and get the sign indicating number unstacking, degree of automation is high, replaces artifical efficiency higher; the whole equipment occupies a small space, can be installed on various equipment in an adaptive mode, and is high in applicability.
Description
Technical Field
The utility model relates to an automation equipment technical field specifically is rectangular coordinate robot is unstacked to automatic sign indicating number of tubbiness material.
Background
In the production operation, in order to improve the space utilization rate, a plurality of materials or trays need to be stacked layer by layer, and then taken out layer by layer in sequence during feeding, and the process is called as unstacking. The stacking and unstacking mechanism is used for separating and stacking trays and materials for packaging of various shapes such as cartons, charging baskets and the like.
In the automatic production feeding operation, the stack disassembling and stacking operation of barrel-shaped materials is often required. The current common technical means are manual stacking and unstacking and mechanical stacking and unstacking. The manual stacking and unstacking method is simple in technology and strong in adaptability, but the problems of low operation efficiency, high labor intensity of workers, irregular stacking and the like are solved; the manipulator can adapt to the stacking and unstacking operation of various complex stack types, the working efficiency is high, manual work is not needed, the equipment investment is large, the use and maintenance cost is high, the operation radius of the manipulator is large, and the occupied area is large.
Therefore, we propose an automatic stacking and unstacking cartesian robot for barrel-shaped materials so as to solve the problems set forth in the foregoing.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an automatic sign indicating number of tubbiness material cartesian robot of breaking a jam to solve the problem that provides among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: rectangular coordinate robot is torn a jam to automatic sign indicating number of tubbiness material includes: the three-way guide rail mainly comprises a first guide rail component, a second guide rail component and a third guide rail component, wherein the first guide rail component and the second guide rail component are respectively used as horizontal moving rail components on an X axis and a Y axis, and the third guide rail component is a longitudinal moving rail component on a Z axis;
a drive installation anchor clamps of getting on the three-dimensional guide rail contains fixed mounting bracket, servo motor, fixed plate, die-pin, fixed disk and detection switch, fixed mounting bracket and lifter plate fixed mounting, fixed mounting bracket tip fixed mounting servo motor, fixed mounting bracket tip lower extreme rotate and connect the fixed plate, and servo motor is connected with the fixed plate drive, fixed plate front end fixed mounting fixed disk, and a plurality of die-pin is installed to the tip of fixed disk, and fixed mounting has two detection switches on the fixed disk.
Preferably, the first guide rail assembly comprises a first driving motor, a transmission gear box, transmission shaft rods, first rotating wheels, a first guide rail support, a first driving belt, a first translation guide rail, a fixing frame and a sliding seat, the first driving motor is connected with the transmission gear box in a driving mode, the transmission gear box is connected with the two transmission shaft rods in a driving mode, the end portion of each transmission shaft rod is fixedly provided with the first rotating wheel, the first rotating wheel is sleeved with the first driving belt and located at one end of the first guide rail support, the other end of the first guide rail support is rotatably provided with a guide wheel, the guide wheels are sleeved with the first driving belt at the same time, the first guide rail support is symmetrically provided with two first translation guide rails, the first translation guide rail is fixedly arranged on the first translation guide rail, the sliding seat is arranged on the first translation guide rail in a sliding mode and is fixedly connected with the first driving belt, the fixing frame is fixedly arranged on the sliding seat, and the fixing frame is fixedly provided with the second guide rail assembly.
Preferably, the second guide rail assembly comprises a second driving motor, a second rotating wheel, two second driving belts, a second guide rail support, a second translational guide rail and a moving platform, the second guide rail support is fixedly mounted with the fixing frame, the second guide rail support is provided with two parallel guide belts, one end of one second guide rail support is provided with one guide wheel, the other end of the one second guide rail support is rotatably provided with the second rotating wheel, the guide wheel on the second guide rail support and the second rotating wheel are jointly sleeved with the second driving belt, the end part of the second guide rail support is fixedly provided with the second driving motor through a support, an output shaft of the second driving motor is fixedly connected with the second rotating wheel, the second guide rail support is fixedly provided with the second translational guide rail, the second translational guide rail is connected with the moving platform in a sliding manner, the moving platform is fixedly connected with the second driving belts, and a third guide rail assembly is fixedly mounted on the moving platform.
Preferably, the third guide rail assembly includes a line support, a third driving motor, a third rotating wheel, a third driving belt, a lifting plate, a third guide rail support and a third translation guide rail, the bottom of the line support is fixedly mounted on the third guide rail support, the third guide rail support is fixedly mounted on the mobile platform, the third translation guide rail is fixedly mounted on one side surface of the third guide rail support, a guide wheel is rotatably mounted at the upper end of the third guide rail support, the third rotating wheel is rotatably mounted at the lower end of the third guide rail support, the third driving belt is sleeved on the guide wheels at the upper ends of the third rotating wheel and the third guide rail support, the third driving motor is fixedly mounted at the lower end of the third guide rail support, an output shaft of the third driving motor is fixedly connected with the third rotating wheel, the third driving belt is fixedly connected with the lifting plate, the lifting plate is slidably connected with the third translation guide rail, and a part taking clamp is mounted on the lifting plate.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the workpiece taking clamp is driven and installed on the three-way guide rail, the workpiece taking clamp can flexibly move on an X axis, a Y axis and a Z axis, the servo motor drives the longitudinal axis of the fixing plate to rotate, so that the support rod can change directions and move with high precision, the clamping, stacking and unstacking of the barrel-shaped materials are completed, the automation degree is high, and the efficiency of replacing manpower is higher;
2. the whole equipment occupies a small space, the clamping range is large, the clamping device can be mounted on various kinds of equipment in an adaptive mode, and the applicability is stronger.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural view of the middle pick-up fixture of the present invention;
fig. 3 is a schematic structural view of the first rail assembly and the second rail assembly of the present invention;
fig. 4 is a schematic structural view of a third rail assembly according to the present invention;
FIG. 5 is an enlarged view of the section A of FIG. 3 according to the present invention;
fig. 6 is an enlarged view of fig. 3B according to the present invention;
fig. 7 is an enlarged view of fig. 3C according to the present invention.
In the figure: 1. a three-way guide rail; 11. a first rail assembly; 111. a first drive motor; 112. a transmission gear box; 113. a drive shaft; 114. a first rotating wheel; 115. a first rail bracket; 116. a first drive belt; 117. a first translation guide rail; 118. a fixed mount; 119. a sliding seat; 12. a second rail assembly; 121. a second drive motor; 122. a second rotating wheel; 123. a second drive belt; 124. a second guide rail bracket; 125. a second translation guide rail; 126. a mobile platform; 13. a third rail assembly; 131. a circuit support; 132. a third drive motor; 133. a third rotating wheel; 134. a third drive belt; 135. a lifting plate; 136. a third rail bracket; 137. a third translation rail; 2. a workpiece taking clamp; 21. fixing the mounting rack; 22. a servo motor; 23. a fixing plate; 24. a support rod; 25. fixing the disc; 26. and (6) detecting a switch.
Description of the preferred embodiment
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-7, the present invention provides a technical solution: rectangular coordinate robot is torn a jam to automatic sign indicating number of tubbiness material includes: the three-way guide rail 1 is mainly composed of a first guide rail assembly 11, a second guide rail assembly 12 and a third guide rail assembly 13, wherein the first guide rail assembly 11 and the second guide rail assembly 12 are respectively used as horizontal moving rail assemblies on an X axis and a Y axis, and the third guide rail assembly 13 is a longitudinal moving rail assembly on a Z axis;
the three-way guide rail 1 is provided with the pickup clamp 2 in a driving way, so that the pickup clamp 2 can flexibly move on an X axis, a Y axis and a Z axis, and the clamping range is larger;
the first guide rail assembly 11 includes a first driving motor 111, a transmission gear box 112, a transmission shaft 113, a first rotating wheel 114, a first guide rail bracket 115, a first driving belt 116, a first translation guide rail 117, a fixing bracket 118 and a sliding seat 119, the first driving motor 111 is connected to the transmission gear box 112 in a driving manner, the transmission gear box 112 is connected to the two transmission shaft 113 in a driving manner, the first rotating wheel 114 is fixedly installed at an end of the transmission shaft 113, the first driving belt 116 is sleeved on the first rotating wheel 114, the first rotating wheel 114 is located at one end of the first guide rail bracket 115, a guide wheel is rotatably installed at the other end of the first guide rail bracket 115, the first driving belt 116 is simultaneously sleeved on the guide wheel, when the first driving belt 116 is driven by the first rotating wheel 114, the first driving belt 116 moves on the first guide rail bracket 115, the first translation guide rail bracket 115 is symmetrically provided with two sliding seats 119, the first translation guide rail bracket 115 is fixedly installed on the first guide rail bracket 115, the sliding seat 119 is rotatably installed on the first translation guide rail bracket 117, the sliding seat 119 is fixedly connected to the first driving belt 116, the fixing bracket 119 is fixedly installed on the second guide rail 118, and the fixing bracket 12, and the second driving belt moves in an axial direction of the sliding seat X, and moves as the first driving belt X;
the second guide rail assembly 12 comprises a second driving motor 121, a second rotating wheel 122, a second driving belt 123, a second guide rail bracket 124, a second translation guide rail 125 and a moving platform 126, wherein the second guide rail bracket 124 is fixedly mounted with the fixed frame 118, two second guide rail brackets 124 are arranged in parallel, one end of one second guide rail bracket 124 is provided with a guide wheel, the other end is rotatably mounted with the second rotating wheel 122, the guide wheel on the second guide rail bracket 124 and the second rotating wheel 122 are jointly sleeved with the second driving belt 123, the end of the second guide rail bracket 124 is fixedly mounted with the second driving motor 121 through a bracket, the output shaft of the second driving motor 121 is fixedly connected with the second rotating wheel 122, the second translation guide rail 125 is fixedly mounted on the second guide rail bracket 124, the second translation guide rail 125 is slidably connected with the moving platform 126, the moving platform 126 is fixedly connected with the second driving belt 123, and the third guide rail assembly 13 is fixedly mounted on the moving platform 126;
the second driving motor 121 drives the second rotating wheel 122 to rotate, so as to drive the second driving belt 123, and the second driving belt 123 drives the moving platform 126 to move in a translational manner along the second translation guide rail 125;
the third guide rail assembly 13 comprises a line bracket 131, a third driving motor 132, a third rotating wheel 133, a third driving belt 134, a lifting plate 135, a third guide rail bracket 136 and a third translation guide rail 137, wherein the bottom of the line bracket 131 is fixedly mounted with the third guide rail bracket 136, the third guide rail bracket 136 is fixedly mounted on the translation platform 126, one side surface of the third guide rail bracket 136 is fixedly mounted with the third translation guide rail 137, the upper end of the third guide rail bracket 136 is rotatably mounted with a guide wheel, the lower end of the third guide rail bracket 136 is rotatably mounted with the third rotating wheel 133, the third rotating wheel 133 and the guide wheel at the upper end of the third guide rail bracket 136 are sleeved with the third driving belt 134, the lower end of the third guide rail bracket 136 is fixedly mounted with the third driving motor 132, the output shaft of the third driving motor 132 is fixedly connected with the third rotating wheel 133, the third driving belt 134 is fixedly connected with the lifting plate 135, the lifting plate 135 is slidably connected with the third translation guide rail bracket 137, and the taking piece clamp 2 is mounted on the lifting plate 135;
the third driving motor 132 drives the third rotating wheel 133 to drive the third driving belt 134, and the third driving belt 134 drives the lifting plate 135 to perform a translational motion on the Z axis along the third translational guide rail 137, so as to drive the workpiece taking fixture 2 to lift;
the three-way guide rail 1 is provided with a pickup clamp 2 in a driving mode, the pickup clamp 2 comprises a fixed mounting frame 21, a servo motor 22, a fixed plate 23, support rods 24, a fixed plate 25 and detection switches 26, the fixed mounting frame 21 is fixedly mounted with a lifting plate 135, the servo motor 22 is fixedly mounted at the end part of the fixed mounting frame 21, the lower end of the end part of the fixed mounting frame 21 is rotatably connected with the fixed plate 23, the servo motor 22 is in driving connection with the fixed plate 23, the fixed plate 25 is fixedly mounted at the front end of the fixed plate 23, the end part of the fixed plate 25 is provided with a plurality of support rods 24, and the fixed plate 25 is fixedly provided with two detection switches 26;
the servo motor 22 drives the fixing plate 23 to rotate along the longitudinal axis, so that the supporting rod 24 can change directions and realize multidirectional movement by matching with the three-way guide rail 1, the supporting rod 24 is inserted into the bottom of the barrel-shaped material to lift the barrel-shaped material, and the detection switch 26 is used for detecting whether the supporting rod 24 has the barrel-shaped material.
The working principle is as follows: the device system moves a pickup clamp 2 to a corresponding position to pick up a workpiece according to the dispatching of an upper system through a three-way guide rail 1, then moves the pickup clamp to sequentially stack the workpiece on a corresponding tooling pallet, and when a stacking period is completed, the device system updates related information and then carries out related information interaction with the upper system once, and after the stacking of a complete tooling pallet is completed, the device system sends a stacking completion signal to the upper system, and the upper system conveys the pallet out of a stacking area and supplements a new empty pallet;
when the unstacking operation is carried out, after the device system is started, under the dispatching of the upper system, the solid trays filled with the injection molding parts enter the unstacking station through the conveying line and are positioned, the upper system sends related information such as the product gauge and the quantity of the solid trays to the device system, the device system controls the three-way guide rail 1 to move the part taking clamp 2 to the corresponding position according to the received information to grab the workpiece, the workpiece is placed on the output conveying line, after the unstacking operation of a whole tray is completed, the upper system conveys the empty trays out of the unstacking area, and new trays to be unstacked are supplemented as required.
Those not described in detail in this specification are within the skill of the art.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (4)
1. Rectangular coordinate robot is torn a jam to automatic sign indicating number of tubbiness material includes: the three-way guide rail (1) is mainly composed of a first guide rail component (11), a second guide rail component (12) and a third guide rail component (13), wherein the first guide rail component (11) and the second guide rail component (12) are respectively used as horizontal moving rail components on an X axis and a Y axis, and the third guide rail component (13) is a longitudinal moving rail component on a Z axis;
the method is characterized in that: drive installation gets a anchor clamps (2) on three-way guide rail (1), gets a anchor clamps (2) and contains fixed mounting frame (21), servo motor (22), fixed plate (23), die-pin (24), fixed disk (25) and detection switch (26), fixed mounting frame (21) and lifter plate (135) fixed mounting, fixed mounting frame (21) tip fixed mounting servo motor (22), fixed mounting frame (21) tip lower extreme rotates and connects fixed plate (23), servo motor (22) are connected with fixed plate (23) drive, fixed plate (23) front end fixed mounting fixed disk (25), a plurality of die-pin (24) are installed to the tip of fixed disk (25), fixed disk (25) are gone up fixed mounting and are gone up two detection switch (26).
2. The Cartesian robot for automatically stacking and unstacking barrels of materials as recited in claim 1, the first guide rail assembly (11) comprises a first driving motor (111), a transmission gear box (112), a transmission shaft rod (113), a first rotating wheel (114), a first guide rail bracket (115), a first driving belt (116), a first translation guide rail (117), a fixed frame (118) and a sliding seat (119), the driving gear box (112) is connected in a driving mode through a first driving motor (111), two driving shaft rods (113) are connected in a driving mode through the driving gear box (112), a first rotating wheel (114) is fixedly installed at the end portion of each driving shaft rod (113), a first driving belt (116) is sleeved on each first rotating wheel (114), each first rotating wheel (114) is located at one end of a first guide rail support (115), one guide wheel is installed at the other end of each first guide rail support (115) in a rotating mode, the first driving belts (116) are sleeved on the corresponding guide wheels at the same time, the first guide rail supports (115) are symmetrically provided with two driving belts, first translation guide rails (117) are fixedly installed on the first guide rail supports (115), sliding seats (119) are arranged on the first translation guide rails (117), the sliding seats (119) are fixedly connected with the first driving belts (116), fixing frames (118) are fixedly installed on the sliding seats (119), and second guide rail assemblies (12) are fixedly arranged on the fixing frames (118).
3. The Cartesian robot for automatically stacking and unstacking the tubbiness of materials according to claim 2, wherein the second guide rail assembly (12) comprises a second driving motor (121), a second rotating wheel (122), a second driving belt (123), a second guide rail bracket (124), a second translational guide rail (125) and a moving platform (126), the second guide rail bracket (124) is fixedly mounted on the fixed frame (118), two second guide rail brackets (124) are arranged in parallel, one end of one second guide rail bracket (124) is provided with one guide wheel, the other end of the one second guide rail bracket is rotatably mounted with the second rotating wheel (122), the guide wheel on the second guide rail bracket (124) and the second rotating wheel (122) are jointly sleeved with the second driving belt (123), the end of the second guide rail bracket (124) is fixedly mounted with the second driving motor (121) through a bracket, the output shaft of the second driving motor (121) is fixedly connected with the second rotating wheel (122), the second translational guide rail bracket (124) is fixedly mounted with the second translational guide rail (125), the second translational guide rail (125) is fixedly connected with the moving platform (126), and the moving platform (126) is fixedly connected with the second translational guide rail bracket (126) and the moving platform (13).
4. The rectangular coordinate robot for automatically stacking and unstacking barrel-shaped materials according to claim 3, wherein the third guide rail assembly (13) comprises a line support (131), a third driving motor (132), a third rotating wheel (133), a third driving belt (134), a lifting plate (135), a third guide rail support (136) and a third translation guide rail (137), the bottom of the line support (131) is fixedly mounted with the third guide rail support (136), the third guide rail support (136) is fixedly mounted on the translation platform (126), a side surface of the third guide rail support (136) is fixedly mounted with the third translation guide rail (137), a guide wheel is rotatably mounted at the upper end of the third guide rail support (136), a third rotating wheel (133) is rotatably mounted at the lower end of the third guide rail support (136), the third rotating wheel (133) is sleeved with the third driving belt (134) at the upper end of the third guide rail support (136), the lower end of the third guide rail support (136) is fixedly mounted with the third driving motor (132), an output shaft of the third driving motor (132) is fixedly connected with the third rotating wheel (133), the third rotating wheel (133) is fixedly connected with the lifting plate (135), and the lifting plate (135) is connected with the lifting plate (135).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202320552459.7U CN218878759U (en) | 2023-03-21 | 2023-03-21 | Rectangular coordinate robot for automatically stacking and unstacking barrel-shaped materials |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202320552459.7U CN218878759U (en) | 2023-03-21 | 2023-03-21 | Rectangular coordinate robot for automatically stacking and unstacking barrel-shaped materials |
Publications (1)
Publication Number | Publication Date |
---|---|
CN218878759U true CN218878759U (en) | 2023-04-18 |
Family
ID=85943513
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202320552459.7U Active CN218878759U (en) | 2023-03-21 | 2023-03-21 | Rectangular coordinate robot for automatically stacking and unstacking barrel-shaped materials |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN218878759U (en) |
-
2023
- 2023-03-21 CN CN202320552459.7U patent/CN218878759U/en active Active
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN112192103A (en) | Welding equipment for automatic and efficient welding of steel bars of invisible well lid | |
CN211282664U (en) | Laser stamping part detects and pile up neatly all-in-one | |
CN106743392B (en) | Automatic transposition mechanism on earphone magnetizing device | |
CN110977265A (en) | Multi-part feeding device with visual detection function | |
CN112719616B (en) | Automatic glue shell radium carving machine | |
CN113120529B (en) | Visual detection equipment, automatic feeding device and automatic receiving device | |
CN106629089B (en) | Stacking system and implementation method thereof | |
CN212333886U (en) | Double-layer loading and unloading device | |
CN211866900U (en) | Automatic feeding and discharging system for processing glass | |
CN218878759U (en) | Rectangular coordinate robot for automatically stacking and unstacking barrel-shaped materials | |
CN217866676U (en) | Visual inspection machine of area upset function | |
CN210060762U (en) | Automatic loading and unloading device for sheets | |
CN215297451U (en) | Circuit board boxing system and circuit board production line | |
CN215853883U (en) | Feeding mechanism of chip equipment | |
CN110561831B (en) | Automatic discharging machine for bottom box | |
CN212311209U (en) | Multi-part feeding device with visual detection function | |
CN210015239U (en) | GPS detection device | |
CN112974276A (en) | Material removing and supplementing control method of intelligent production line system of liquid transfer head | |
CN219448454U (en) | Automatic appearance defect detection equipment for stator and rotor | |
CN218595506U (en) | Automatic feeding and discharging machining platform | |
CN211845925U (en) | Automatic feeding device of visual detection system | |
CN220160594U (en) | Part sorting system | |
CN216807029U (en) | Visual detection equipment, automatic feeding device and automatic receiving device | |
CN219602262U (en) | High-capacity stacking bin | |
CN221294343U (en) | Automatic detection packagine machine |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
GR01 | Patent grant | ||
GR01 | Patent grant |