CN218947350U - Grinding machine trailing frame with distance-adjusting mounting structure for metal fitting machining - Google Patents
Grinding machine trailing frame with distance-adjusting mounting structure for metal fitting machining Download PDFInfo
- Publication number
- CN218947350U CN218947350U CN202222811110.9U CN202222811110U CN218947350U CN 218947350 U CN218947350 U CN 218947350U CN 202222811110 U CN202222811110 U CN 202222811110U CN 218947350 U CN218947350 U CN 218947350U
- Authority
- CN
- China
- Prior art keywords
- threaded
- mounting structure
- metal fitting
- fitting machining
- grinder
- 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
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
Landscapes
- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
Abstract
The utility model discloses a grinding machine slipper rack with a distance-adjusting mounting structure for machining metal accessories, which belongs to the field of machining metal accessories and comprises a supporting plate and slipper rack components arranged at the upper end of the supporting plate, wherein scale marks are uniformly arranged on the surface of the supporting plate, a fixing groove is further formed in the surface of the supporting plate, a threaded rod is movably arranged in the fixing groove, a machine case is further arranged on the outer side of the supporting plate, a motor is arranged in the machine case, the output end of the motor penetrates through the supporting plate and is connected with one end of the threaded rod, a threaded block is sleeved on the outer side of the threaded rod in a threaded manner that an operator starts the motor to work so as to drive the threaded rod to rotate, two groups of threaded blocks can be mutually close through threaded fit between the threaded rod and the threaded block, and the distance between the two groups of slipper rack components can be adjusted through fit among the motor, the threaded rod, the threaded block and the scale marks, so that cutters with different lengths are adapted to each other, and the application range is effectively improved.
Description
Technical Field
The utility model relates to metal fitting machining, in particular to a grinding machine slipper rack with a distance-adjusting installation structure for metal fitting machining.
Background
A metal is a substance that has properties of gloss (i.e., strong reflection of visible light), ductility, easy electrical and thermal conductivity, etc. Most of metal elements on the earth exist in the nature in a combined state, and the fittings refer to parts or components of assembly machines; but also to parts or components that are reinstalled after damage. Fittings can be divided into standard fittings and optional fittings, with metal fittings being machine parts or components made of metal, as well as some metal articles. In the metal fitting processing process, the metal fitting is usually processed by matching with a grinding machine, and a dragging frame is arranged on the grinding machine so as to support and fix a cutter.
When the existing grinding machine trailer frame is used, the cutter mounting rack is usually arranged on the trailer head and fixed, but when the grinding machine trailer frame is processed, different cutters are needed to be used, the positions among the trailer heads are relatively fixed, the distance adjustment installation cannot be carried out according to the sizes of the cutters, the application range is small, the use limitation is achieved, and secondly, when the grinding machine trailer frame is used, the whole trailer frame is not convenient to store after the trailer frame is used, the trailer frame and the cutters are all in the external environment, certain potential safety hazards exist, and the use effect is unsatisfactory.
Disclosure of Invention
The utility model aims to overcome the defects that in the prior art, different cutters are needed to be used when machining is performed, the positions among the cutter heads are relatively fixed, the distance adjustment installation cannot be performed according to the size of the cutters, the application range is small, the use is limited, and the grinder cutter rest with the distance adjustment installation structure for machining metal fittings is provided, so that the defects are overcome, and the use is convenient.
In order to achieve the above purpose, the technical scheme provided by the utility model is as follows:
the utility model relates to a grinding machine slipper rack with a distance-adjusting mounting structure for metal fitting machining, which comprises a bearing plate and a slipper rack assembly arranged at the upper end of the bearing plate, wherein a storage frame is arranged below the bearing plate, and a rotating assembly is arranged at one side of the storage frame;
the surface of bearing board evenly is provided with the scale mark, and the fixed slot has still been seted up on the surface of bearing board, and the inside movable mounting of fixed slot has the threaded rod, and the outside of bearing board still is provided with the machine case, and the internally mounted of machine case has the motor, and the output of motor runs through bearing board to be connected with the one end of threaded rod, the outside screw thread of threaded rod has cup jointed the screw thread piece, and the screw thread piece is L shape structure.
Preferably, the surface of the thread block is provided with a limit groove, both sides of the inner wall of the limit groove are provided with extension grooves, a group of the extension grooves are internally provided with electric push rods, and the other ends of the electric push rods are connected with the plug blocks.
Preferably, the scale marks and the fixing grooves are arranged in two groups, and the two groups of scale marks and the fixing grooves are symmetrically arranged relative to the central line of the bearing plate.
Preferably, the mop frame assembly comprises a connecting plate and a limiting block arranged at the lower end of the connecting plate, a slot is formed in the side wall of the limiting block, and the limiting block is consistent with the limiting slot in shape.
Preferably, the upper end of the connecting plate is also provided with a mop head, the surface of the mop head is provided with a placement groove, and the inner side of the placement groove is adhered with a wear-resistant pad.
Preferably, the surfaces of the mop head and the wear-resisting pad are provided with mounting holes, the mounting holes are connected with bolts in a threaded mode, the wear-resisting pad is made of a rubber material, and the wear-resisting pad is consistent with the mounting groove in shape.
Preferably, an inner cavity is formed in the storage frame, and a channel is formed in the side wall of the inner cavity.
Preferably, the rotating assembly comprises a rotating handle arranged on the outer side of the storage frame and a connecting rod connected with one side of the rotating handle, and the connecting rod movably penetrates through the storage frame and extends to the inner side of the storage frame.
Preferably, one end of the connecting rod, which is far away from the rotating handle, is connected with a screw rod, the other end of the screw rod is movably connected with the inner wall of the inner cavity, and the screw rod is a positive and negative rotating screw rod.
Preferably, the outside of lead screw has cup jointed the sliding block, and the sliding block is provided with two sets of, respectively with lead screw threaded fit connection, the upper end swing joint of sliding block has the bracing piece, and the other end and the lower terminal surface swing joint of bearing board of bracing piece.
Compared with the prior art, the technical scheme provided by the utility model has the following beneficial effects:
compared with the prior art, the utility model has the following beneficial effects:
(1) According to the grinding machine dragging frame with the distance-adjusting mounting structure for machining the metal fittings, an operator holds the dragging head in a hand and inserts a limiting block at the lower end of the connecting plate into the limiting groove, then the electric push rod is used for pushing the inserting block to move by using the switch, the inserting block penetrates through the inserting groove, the connecting plate can be mounted at the upper end of the threaded block through the matching of the inserting block and the inserting groove, the two groups of threaded blocks are respectively positioned at one side of the two groups of fixing grooves, at the moment, the two groups of threaded blocks are furthest apart, in the process, the operator starts a motor to work, the threaded rod is driven to rotate, the two groups of threaded blocks can be mutually close through the threaded matching between the threaded rod and the threaded blocks, the motor is stopped at a proper position, then the cutter is placed in the positioning groove, the cutter can be fixed through the matching between the bolt and the mounting hole, and the distance between the two groups of dragging frame components can be adjusted through the matching among the motor, the threaded rod, the threaded blocks and the scale marks, so that the cutters with different lengths can be adapted, and the application range is effectively improved;
(2) According to the grinding machine dragging frame with the distance adjusting installation structure for machining the metal fittings, after the use is finished, an operator holds the rotating handle and rotates the rotating handle, the screw rod can rotate under the cooperation of the connecting rods, the two groups of sliding blocks are sleeved on the surface threads of the screw rod, so that the two groups of sliding blocks are far away from each other, at the moment, the included angle between the two groups of supporting rods is increased, and therefore the supporting plate can be driven to move downwards until the supporting plate and the dragging frame component are contained in the inner cavity, and the operator is prevented from being injured due to accidental contact with a cutter.
Drawings
FIG. 1 is an overall block diagram of the present utility model;
FIG. 2 is a schematic view of the handle of the present utility model after operation;
FIG. 3 is a schematic view of a rotating assembly according to the present utility model;
FIG. 4 is a schematic view of a carriage assembly of the present utility model;
FIG. 5 is an enlarged schematic view of FIG. 4A in accordance with the present utility model;
fig. 6 is a schematic view of a screw block structure according to the present utility model.
In the figure: 1. a bearing plate; 11. scale marks; 12. a chassis; 13. a fixing groove; 14. a screw block; 141. a limit groove; 142. an extension groove; 143. an electric push rod; 144. inserting blocks; 15. a threaded rod; 2. a trailing edge frame assembly; 21. a splice plate; 211. a limiting block; 212. a slot; 22. a trailing head; 23. a placement groove; 24. a wear pad; 25. a mounting hole; 26. a bolt; 3. a storage frame; 31. an inner cavity; 32. a channel; 4. a rotating assembly; 41. a rotating handle; 42. a connecting rod; 43. a screw rod; 44. a sliding block; 45. and (5) supporting the rod.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
For a further understanding of the present utility model, the present utility model will be described in detail with reference to the drawings.
Referring to fig. 1, the grinding machine tool holder with the distance adjusting installation structure for metal fitting machining comprises a bearing plate 1 and a tool holder assembly 2 arranged at the upper end of the bearing plate 1, a containing frame 3 is further arranged below the bearing plate 1, a rotating assembly 4 is arranged on one side of the containing frame 3, and the bearing plate 1 and the tool holder assembly 2 can move downwards into the containing frame 3 through the arrangement of the rotating assembly 4.
The utility model is further described below with reference to examples.
Embodiment one:
referring to fig. 2, 4, 5 and 6, scale marks 11 are uniformly arranged on the surface of the supporting plate 1, a fixing groove 13 is further formed in the surface of the supporting plate 1, a threaded rod 15 is movably mounted in the fixing groove 13, a machine case 12 is further arranged on the outer side of the supporting plate 1, a motor is mounted in the machine case 12, an output end of the motor penetrates through the supporting plate 1 and is connected with one end of the threaded rod 15, a threaded block 14 is sleeved on the outer side of the threaded rod 15 in a threaded mode, the threaded block 14 is of an L-shaped structure, and the threaded block 14 of the L-shaped structure is used for being assembled with the trailer frame assembly 2.
The surface of the thread block 14 is provided with a limit groove 141, two sides of the inner wall of the limit groove 141 are provided with extension grooves 142, one group of extension grooves 142 are internally provided with an electric push rod 143, the other end of the electric push rod 143 is connected with an inserting block 144, and the depths of the two groups of extension grooves 142 are inconsistent.
The scale marks 11 and the fixed grooves 13 are respectively provided with two groups, the two groups of scale marks 11 and the fixed grooves 13 are symmetrically arranged relative to the central line of the bearing plate 1, and the arranged scale marks 11 can intuitively represent the moving distance of the two groups of slipper rack assemblies 2 so as to adjust the distance.
The mop frame assembly 2 comprises a joint plate 21 and a limiting block 211 arranged at the lower end of the joint plate 21, a slot 212 is formed in the side wall of the limiting block 211, the shape of the limiting block 211 is consistent with that of the limiting groove 141, and the limiting block 211 can be inserted into the limiting groove 141.
The upper end of the joint plate 21 is also provided with a mop head 22, the surface of the mop head 22 is provided with a placement groove 23, the inner side of the placement groove 23 is adhered with a wear-resistant pad 24, and the wear-resistant pad 24 can effectively reduce the wear to the mop head 22.
The surfaces of the mop head 22 and the wear pad 24 are provided with mounting holes 25, the mounting holes 25 are connected with bolts 26 in a threaded manner, the wear pad 24 is made of a rubber material, and the wear pad 24 is consistent with the mounting groove 23 in shape.
In this embodiment, an operator holds the mop head 22, inserts the limiting block 211 at the lower end of the joint plate 21 into the limiting groove 141, then uses the switch to make the electric push rod 143 push the insert block 144 to move, so that the insert block 144 passes through the slot 212, the joint plate 21 can be installed at the upper end of the threaded block 14 through the cooperation of the insert block 144 and the slot 212, and the two sets of threaded blocks 14 are respectively located at one side of the two sets of fixing grooves 13, at this time, the two sets of threaded blocks 14 are furthest apart from each other, in the process, the operator starts the motor to work, and causes the threaded rod 15 to rotate, the two sets of threaded blocks 14 can be close to each other through the threaded cooperation between the threaded rod 15 and the threaded blocks 14, the motor to work is stopped at a proper position, then the cutter is placed in the mounting groove 23, and the cutter can be fixed through the cooperation between the bolt 26 and the mounting hole 25, and the distance between the two sets of the mop head assemblies 2 can be adjusted through the cooperation between the motor, the threaded rod 15, the threaded blocks 14 and the scale marks 11, so that the use range is effectively improved.
Embodiment two:
with reference to fig. 2-3, an inner cavity 31 is formed in the storage frame 3, a channel 32 is formed in a side wall of the inner cavity 31, and the inner cavity 31 is used for storing the bearing plate 1 and the trailer frame assembly 2.
The rotating assembly 4 comprises a rotating handle 41 arranged on the outer side of the storage frame 3 and a connecting rod 42 connected with one side of the rotating handle 41, and the connecting rod 42 movably penetrates through the storage frame 3 and extends to the inner side of the storage frame 3.
One end of the connecting rod 42, which is far away from the rotating handle 41, is connected with a screw rod 43, the other end of the screw rod 43 is movably connected with the inner wall of the inner cavity 31, the screw rod 43 is a positive and negative rotating screw rod, and when the rotating handle 41 rotates, the connecting rod 42 and the screw rod 43 can rotate.
The outside of lead screw 43 has cup jointed slider 44, and slider 44 is provided with two sets of, respectively with lead screw 43 screw thread fit connection, slider 44's upper end swing joint has bracing piece 45, and bracing piece 45's the other end and the lower terminal surface swing joint of bearing board 1.
In this embodiment, after the use is finished, the operator holds the rotating handle 41 and rotates it, under the cooperation of the connecting rod 42, the screw rod 43 can be made to rotate, and the surface threads of the screw rod 43 are sleeved with two groups of sliding blocks 44, so that the two groups of sliding blocks 44 are far away from each other, at this time, the included angle between the two groups of supporting rods 45 is increased, so that the supporting plate 1 can be driven to move downwards until the supporting plate 1 and the slipper rack assembly 2 are accommodated in the inner cavity 31, and the operator is prevented from being injured by accidental contact with the cutter.
To sum up: in the grinding machine trailer frame with the distance adjusting installation structure for machining metal fittings, an operator holds the trailer head 22, inserts a limiting block 211 at the lower end of a joint plate 21 into a limiting groove 141, then uses a switch to enable an electric push rod 143 to push an inserting block 144 to move, so that the inserting block 144 passes through an inserting groove 212, the joint plate 21 can be installed at the upper end of a threaded block 14 through the matching of the inserting block 144 and the inserting groove 212, two groups of threaded blocks 14 are respectively positioned at one side of two groups of fixed grooves 13, at the moment, the two groups of threaded blocks 14 are furthest apart, in the process, the operator starts a motor to work, drives a threaded rod 15 to rotate, enables the two groups of threaded blocks 14 to mutually approach through the threaded matching between the threaded rod 15 and the threaded blocks 14, stops the motor to work at a proper position, then places the cutter in a placement groove 23, and through the cooperation between bolt 26 and mounting hole 25, can fix the cutter, through the cooperation between motor, threaded rod 15, screw thread piece 14 and the scale mark 11, can adjust the distance between two sets of carriage assemblies 2, so that adapt to the cutter of different length, effectively improved application range, after the use, operating personnel holds the twist grip 41, and rotate it, under the cooperation of connecting rod 42, can make lead screw 43 rotate, and the surface screw thread of lead screw 43 cup joints two sets of sliding blocks 44, thereby can make two sets of sliding blocks 44 keep away from each other, the contained angle between two sets of bracing pieces 45 grow this moment, thereby can drive carrier plate 1 down to the carrier plate 1 and carriage assembly 2 accomodate to the inner chamber 31 in, prevent that operating personnel's accident from contacting the cutter and being injured.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. The utility model provides a metal accessory processing is with grinding machine dragline rest that has roll adjustment mounting structure, includes carrier plate (1) and sets up dragline rest subassembly (2) in carrier plate (1) upper end, its characterized in that: a storage frame (3) is further arranged below the bearing plate (1), and a rotating assembly (4) is arranged on one side of the storage frame (3);
the surface of supporting board (1) evenly is provided with scale mark (11), fixed slot (13) have still been seted up on the surface of supporting board (1), the inside movable mounting of fixed slot (13) has threaded rod (15), and the outside of supporting board (1) still is provided with quick-witted case (12), and the internally mounted of machine case (12) has the motor, the output of motor runs through supporting board (1) to be connected with the one end of threaded rod (15), threaded rod (15) outside screw thread has cup jointed screw thread piece (14), and screw thread piece (14) are L shape structure.
2. The grinder slipper rack with a distance adjustment mounting structure for metal fitting machining according to claim 1, wherein: limiting grooves (141) are formed in the surface of the threaded block (14), extension grooves (142) are formed in two sides of the inner wall of each limiting groove (141), a group of electric push rods (143) are mounted in the extension grooves (142), and the other ends of the electric push rods (143) are connected with the inserting blocks (144).
3. The grinder slipper rack with a distance adjustment mounting structure for metal fitting machining according to claim 2, wherein: the scale marks (11) and the fixing grooves (13) are arranged in two groups, and the two groups of scale marks (11) and the fixing grooves (13) are symmetrically arranged relative to the center line of the bearing plate (1).
4. A grinding machine tool holder with a roll adjustment mounting structure for metal fitting machining according to claim 3, wherein: the mop frame assembly (2) comprises a connecting plate (21) and a limiting block (211) arranged at the lower end of the connecting plate (21), a slot (212) is formed in the side wall of the limiting block (211), and the limiting block (211) is consistent with the limiting slot (141) in shape.
5. The grinder slipper rack with a distance adjustment mounting structure for metal fitting machining according to claim 4, wherein: the upper end of the connecting plate (21) is also provided with a mop head (22), the surface of the mop head (22) is provided with a placement groove (23), and the inner side of the placement groove (23) is adhered with a wear-resistant pad (24).
6. The grinder slipper rack with a distance adjustment mounting structure for metal fitting machining according to claim 5, wherein: the surface of the mop head (22) and the surface of the wear-resisting pad (24) are both provided with mounting holes (25), the mounting holes (25) are in threaded connection with bolts (26), the wear-resisting pad (24) is a member made of rubber materials, and the shape of the wear-resisting pad (24) is consistent with that of the mounting groove (23).
7. The grinder slipper rack with a distance adjustment mounting structure for metal fitting machining according to claim 6, wherein: an inner cavity (31) is formed in the storage frame (3), and a channel (32) is formed in the side wall of the inner cavity (31).
8. The grinder slipper rack with a distance adjustment mounting structure for metal fitting machining according to claim 7, wherein: the rotating assembly (4) comprises a rotating handle (41) arranged on the outer side of the storage frame (3) and a connecting rod (42) connected with one side of the rotating handle (41), and the connecting rod (42) movably penetrates through the storage frame (3) and extends to the inner side of the storage frame (3).
9. The grinder slipper rack with a distance adjustment mounting structure for metal fitting machining according to claim 8, wherein: one end of the connecting rod (42) far away from the rotating handle (41) is connected with a screw rod (43), the other end of the screw rod (43) is movably connected with the inner wall of the inner cavity (31), and the screw rod (43) is a positive and negative rotating screw rod.
10. The grinder slipper rack with a distance adjustment mounting structure for metal fitting machining according to claim 9, wherein: the outside of lead screw (43) has cup jointed sliding block (44), and sliding block (44) are provided with two sets of, respectively with lead screw (43) threaded fit connection, the upper end swing joint of sliding block (44) has bracing piece (45), and the lower terminal surface swing joint of the other end and the bearing board (1) of bracing piece (45).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202222811110.9U CN218947350U (en) | 2022-10-25 | 2022-10-25 | Grinding machine trailing frame with distance-adjusting mounting structure for metal fitting machining |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202222811110.9U CN218947350U (en) | 2022-10-25 | 2022-10-25 | Grinding machine trailing frame with distance-adjusting mounting structure for metal fitting machining |
Publications (1)
Publication Number | Publication Date |
---|---|
CN218947350U true CN218947350U (en) | 2023-05-02 |
Family
ID=86106173
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202222811110.9U Active CN218947350U (en) | 2022-10-25 | 2022-10-25 | Grinding machine trailing frame with distance-adjusting mounting structure for metal fitting machining |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN218947350U (en) |
-
2022
- 2022-10-25 CN CN202222811110.9U patent/CN218947350U/en active Active
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN111644880A (en) | Metal working machine tool capable of automatically changing tools | |
CN210549480U (en) | Circular sawing machine | |
CN213317862U (en) | Lathe convenient to multi-angle centre gripping is fixed | |
CN218947350U (en) | Grinding machine trailing frame with distance-adjusting mounting structure for metal fitting machining | |
CN211306266U (en) | Cutter strorage device for precision finishing | |
CN221065299U (en) | Clamping device for milling head machining and maintenance | |
CN212795121U (en) | Material is with circular knife processing equipment of length of adjustable feed | |
CN211102822U (en) | Vertical drilling machine hole turning tool | |
CN212763795U (en) | Milling machine for processing plastic products | |
CN213164668U (en) | Automatic polishing machine for insulating rod die | |
CN210679372U (en) | Polyurethane conveying roller side cut device | |
CN210632996U (en) | Milling machine and fixture thereof | |
CN111203553A (en) | Automatic moving type material receiving frame for lathe | |
CN111002283A (en) | Cutter strorage device for precision finishing | |
CN217253264U (en) | Machining tool with adjustable blade interval | |
CN114952336B (en) | Vertical drilling mould | |
CN220398533U (en) | Measuring device for concentricity of motor base | |
CN218659670U (en) | Bag sealer with side cut function | |
CN214769011U (en) | Clamp for lathe machining | |
CN220162209U (en) | Jig of engraving equipment | |
CN215903186U (en) | Ceramic knife edge sharpening machine | |
CN213136357U (en) | Automobile parts is with location frock | |
CN214559542U (en) | Positioning claw of centerless grinder electromagnetic fixture | |
CN218927741U (en) | Operation platform convenient to it is fixed | |
CN217493494U (en) | Tool for grooving |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
GR01 | Patent grant | ||
GR01 | Patent grant |