CN213030054U - Novel drawing tool case for civil architectural design - Google Patents
Novel drawing tool case for civil architectural design Download PDFInfo
- Publication number
- CN213030054U CN213030054U CN202022274425.5U CN202022274425U CN213030054U CN 213030054 U CN213030054 U CN 213030054U CN 202022274425 U CN202022274425 U CN 202022274425U CN 213030054 U CN213030054 U CN 213030054U
- Authority
- CN
- China
- Prior art keywords
- box
- rod
- handle
- slide rail
- drawing board
- 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
Landscapes
- Packaging Of Annular Or Rod-Shaped Articles, Wearing Apparel, Cassettes, Or The Like (AREA)
Abstract
The utility model relates to a building design field of relevance, in particular to novel drawing tool case for civil architectural design, including the box and through rotating the seat with the box rotates the drawing board of connecting, its characterized in that: the utility model provides a drawing board's side upper portion is provided with the installation slide rail, installs the pull rod on the installation slide rail, and the inner chamber of box is installed and is used for adjusting drawing board inclination's adjustment portion and be used for connecting the drawing board with connecting portion between the adjustment portion, the bottom of box is rotated to connect and is provided with the gyro wheel, and the outside of gyro wheel is provided with the stabilising arrangement with bottom half threaded connection, the utility model provides an inclination of drawing board is adjustable, convenient transport, the toolbox that is difficult for rocking during the drawing.
Description
Technical Field
The utility model relates to a building design field of relevance, in particular to novel drawing tool case for civil architectural design.
Background
Civil building designers often need to carry out on-site investigation on the site of a building, carry out on-site drawing and show design drawings, and can use a drawing tool box to carry drawing tools, and the existing drawing tool box in the market is provided with a drawing board which is convenient for the designers to carry out on-site drawing, but the drawing board is generally fixed on the tool box, so that the inclination angle of the drawing board cannot be adjusted when the drawing tool box is used, the drawing finished drawing is inconvenient to show, and a plurality of drawing tools have larger weight when being carried, are harder to lift and are inconvenient to carry; in the drawing process, the stability of the tool box is poor, and shaking is easily caused.
SUMMERY OF THE UTILITY MODEL
Not enough to prior art exists, the utility model aims to provide an inclination of drawing board is adjustable, convenient transport, the difficult toolbox that rocks during the drawing.
The technical scheme of the utility model is realized like this: the utility model provides a novel drawing toolbox for civil architectural design, include the box and through rotate the seat with the box rotates the drawing board of connecting, its characterized in that: the side upper portion of box is provided with the installation slide rail, installs the pull rod on the installation slide rail, and the inner chamber of box is installed and is used for adjusting drawing board inclination's regulation portion and be used for connecting the drawing board with connecting portion between the regulation portion, the bottom of box is rotated to connect and is provided with the gyro wheel, and the outside of gyro wheel is provided with the stabilising arrangement with bottom half threaded connection.
By adopting the technical scheme, the position of the arranged pull rod in the installation slide rail is switched, two carrying modes of hand carrying and push-pull can be realized, different carrying requirements are met, and the practicability is improved; the outside of gyro wheel is provided with the stabilising arrangement with bottom half threaded connection, stabilizes the supplementary toolbox through stabilising arrangement, when guaranteeing to draw on the toolbox, the stability of toolbox.
Preferably: the installation slide rail is internally provided with a connecting slide block, the middle of the installation slide rail and the tops of the two ends of the installation slide rail are provided with arc-shaped clamping grooves for clamping the connecting slide block, the middle of the installation slide rail and the bottoms of the two ends of the installation slide rail are respectively provided with a first blind hole, a first universal ball is arranged in each blind hole, and a first compression spring is arranged at the bottom of each first universal ball.
Preferably: the pull rod comprises a sleeve rod hinged with the connecting slide block and a movable rod which is arranged in the sleeve rod and can move along the axial direction of the sleeve; a plurality of positioning holes are uniformly distributed in the side wall of the sleeve rod along the axial direction of the sleeve rod, a second blind hole which is coaxial with any positioning hole is formed in the movable rod, a second universal ball is arranged in the second blind hole, and a second compression spring is arranged at the bottom of the second universal ball.
By adopting the technical scheme, when the connecting slide block slides into the arc-shaped clamping groove, the connecting slide block can rotate in the arc-shaped clamping groove, so that the angle of the pull rod hinged with the connecting slide block can be adjusted, the tool box can be conveniently lifted, the first blind hole is formed, the first universal ball is arranged in the first blind hole, the bottom of the first universal ball is provided with the first compression spring, after the connecting slide block is clamped into the arc-shaped clamping groove, the first universal ball is used for jacking and limiting, the connecting slide block is prevented from being easily separated from the arc-shaped clamping groove, and when the connecting slide block needs to be separated from the arc-shaped clamping groove, the pull rod can be pulled to drive the connecting slide block to press the first universal ball into the first blind hole, namely, the connecting slide block can; the movable rod which can move along the axial direction of the sleeve realizes the telescopic effect of the pull rod, and is convenient to use; the telescopic length of the movable rod in the sleeve rod is limited by inserting the second universal ball on the movable rod into the positioning holes at different positions on the sleeve rod, so that the requirements of different pull rod lengths are met, and the practicability of the pull rod is improved; when adjusting the length of pull rod, available finger presses the universal ball of second, impresses the universal ball of second in the second blind hole, pulls the movable rod again, the universal ball of second and the locating hole joint that corresponds to accomplish the adjustment, convenient operation, the practicality is high.
Preferably: the adjusting part comprises a fixed rod arranged at the bottom of one side of an inner cavity of the box body, a threaded rod arranged in the fixed rod, a rotating shaft which is close to the threaded rod and is transversely arranged, a driven bevel gear in threaded connection with the threaded rod, and a driving bevel gear which is fixedly arranged on the rotating shaft and one side of which is meshed with the driven bevel gear, one end of the rotating shaft is rotatably connected with the inner wall of the box body, and the other end of the rotating shaft penetrates through the box body and extends to the outer side of the box body to; the connecting portion include with the drawing board lower surface fixed connection the connecting cover and with connecting cover sliding connection's support slider, support slider and threaded rod hinge are connected.
Through adopting above-mentioned technical scheme, when rotating the rocking handle, it rotates to drive the pivot, the epaxial initiative conical gear of commentaries on classics rotates together, drive and its meshed driven gear rotate, thereby can carry out the ascending motion of vertical side in the dead lever with the driven gear threaded rod, the lower fixed surface of drawing board connect the connecting cover and with connecting cover sliding connection's supporting shoe, furthermore, be connected with the supporting shoe hinge through the threaded rod, thereby carry out the ascending motion of vertical side and the adjustment that the inclination of drawing board was carried out in the connecting cover to the slip of supporting shoe through the threaded rod in the dead lever, the person of facilitating the use draws and demonstrates the drawing.
Preferably: the rocking handle includes one end and pivot fixed connection's connecting piece and rotates the handle of being connected with the connecting piece other end, handle through connection piece extend to the box and with the outer surface contact of box, fixed mounting has the dog on the handle lateral wall between box and the connecting piece, the cover is equipped with the spring between dog and the connecting rod, be provided with a plurality of circumference distribution on the surface of box and can supply handle male spacing hole.
By adopting the technical scheme, the rocking handle comprises the connecting piece and the handle, wherein one end of the connecting piece is fixedly connected with the rotating shaft, the handle is rotatably connected with the other end of the connecting piece, and the rotating shaft can be driven to rotate by rotating the handle, so that the operation is convenient; keep away from the outside pulling of box when the handle, the spring is compressed, and handle and box contactless can normally rotate the handle and drive the pivot and rotate, and when release handle, spring release elasticity pushes the dog to the box, and then the handle is promoted by the elasticity of spring, impresses the handle spacing downthehole to the rotation of handle is spacing, can prevent that the pivot from taking place the reversal, thereby has guaranteed the stability of the drawing board after angular adjustment finishes.
Preferably: the handle is sleeved with a rubber sleeve, and the rubber sleeve is provided with anti-skid lines which are distributed in a crossed and protruding mode.
Through adopting above-mentioned technical scheme, the rubber sleeve that the cover was established improves user's comfort level when using the handle, is provided with the anti-skidding line that the alternately protruding distributes on the rubber sleeve, improves the frictional force between hand and the handle when using, the antiskid effect when guaranteeing to use.
Preferably: the stabilizing device comprises a screw rod which penetrates through the bottom of the box body and is in threaded connection with the penetrating position, and a sucker which is fixedly connected with one end of the screw rod away from the box body.
Through adopting above-mentioned technical scheme, sucking disc accessible lead screw rotates to carry out with the absorption on ground to stability when improving on the toolbox and drawing.
Preferably: the drawing board is provided with a fixing clamp used for clamping a drawing.
Through adopting above-mentioned technical scheme, can draw the drawing paper clamp on the drawing board, facilitate the use improves the travelling comfort that uses.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.
FIG. 1 is a schematic structural view of an embodiment of the present invention;
fig. 2 is a right side sectional view of the embodiment of the present invention:
fig. 3 is a sectional view of the installation slide rail in the embodiment of the present invention:
fig. 4 is an enlarged sectional view of a-a in fig. 1.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying 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 efforts belong to the protection scope of the present invention.
As shown in fig. 1-4, the utility model discloses a novel drawing toolbox for civil architectural design, including box 1 and through rotate the seat with box 1 rotates drawing board 2 of connecting in the embodiment of the utility model discloses in the embodiment, box 1's side upper portion is provided with installation slide rail 11, installs pull rod 12 on the installation slide rail 11, and the inner chamber of box 1 is installed and is used for adjusting 2 inclination's of drawing board regulation portion 3 and be used for connecting drawing board 2 with connecting portion 4 between the regulation portion 3, box 1's bottom is rotated and is connected and is provided with gyro wheel 5, and the outside of gyro wheel 5 is provided with the stabilising arrangement 6 with box 1 bottom threaded connection.
By adopting the technical scheme, the position of the arranged pull rod in the installation slide rail is switched, two carrying modes of hand carrying and push-pull can be realized, different carrying requirements are met, and the practicability is improved; the outside of gyro wheel is provided with the stabilising arrangement with bottom half threaded connection, stabilizes the supplementary toolbox through stabilising arrangement, when guaranteeing to draw on the toolbox, the stability of toolbox.
The utility model discloses in the concrete embodiment, be provided with link block 111 in the installation slide rail 11, the centre of installation slide rail 11 and the top at both ends are provided with the confession arc draw-in groove 112 that link block 111 card was gone into, the bottom at installation slide rail 11 centre and both ends is provided with first blind hole 113 respectively, is provided with first universal ball 114 in the first blind hole 113, and the bottom of first universal ball 114 is provided with first compression spring 115.
In the embodiment of the present invention, the pull rod 12 includes a sleeve rod 121 hinged to the connecting slider 111 and a movable rod 122 installed in the sleeve rod 121 and movable in the axial direction of the sleeve rod 121; a plurality of positioning holes 123 are uniformly distributed on the side wall of the loop bar 121 along the axial direction thereof, a second blind hole 124 coaxially arranged with any one positioning hole 123 is arranged on the movable bar 122, a second universal ball 125 is arranged in the second blind hole 124, and a second compression spring 126 is arranged at the bottom of the second universal ball 125.
By adopting the technical scheme, when the connecting slide block slides into the arc-shaped clamping groove, the connecting slide block can rotate in the arc-shaped clamping groove, so that the angle of the pull rod hinged with the connecting slide block can be adjusted, the tool box can be conveniently lifted, the first blind hole is formed, the first universal ball is arranged in the first blind hole, the bottom of the first universal ball is provided with the first compression spring, after the connecting slide block is clamped into the arc-shaped clamping groove, the first universal ball is used for jacking and limiting, the connecting slide block is prevented from being easily separated from the arc-shaped clamping groove, and when the connecting slide block needs to be separated from the arc-shaped clamping groove, the pull rod can be pulled to drive the connecting slide block to press the first universal ball into the first blind hole, namely, the connecting slide block can; the movable rod which can move along the axial direction of the sleeve realizes the telescopic effect of the pull rod, and is convenient to use; the telescopic length of the movable rod in the sleeve rod is limited by inserting the second universal ball on the movable rod into the positioning holes at different positions on the sleeve rod, so that the requirements of different pull rod lengths are met, and the practicability of the pull rod is improved; when adjusting the length of pull rod, available finger presses the universal ball of second, impresses the universal ball of second in the second blind hole, pulls the movable rod again, the universal ball of second and the locating hole joint that corresponds to accomplish the adjustment, convenient operation, the practicality is high.
In the embodiment of the present invention, the adjusting portion 3 includes a fixing rod 31 installed at the bottom of one side of the inner cavity of the box body 1, a threaded rod 32 installed in the fixing rod 31, a rotating shaft 33 which is close to the threaded rod 32 and is transversely arranged, a driven bevel gear 34 in threaded connection with the threaded rod 32, and a driving bevel gear 35 which is fixedly installed on the rotating shaft 33 and one side of which is engaged with the driven bevel gear 34, one end of the rotating shaft 33 is rotatably connected with the inner wall of the box body 1, and the other end of the rotating shaft runs through the box body 1 and extends to the outer side of the box body 1 to; the connecting part 4 comprises a connecting cover 41 fixedly connected with the lower surface of the drawing board 2 and a supporting slide block 42 connected with the connecting cover 41 in a sliding manner, and the supporting slide block 42 is hinged with the threaded rod 32.
Through adopting above-mentioned technical scheme, when rotating the rocking handle, it rotates to drive the pivot, the epaxial initiative conical gear of commentaries on classics rotates together, drive and its meshed driven gear rotate, thereby can carry out the ascending motion of vertical side in the dead lever with the driven gear threaded rod, the lower fixed surface of drawing board connect the connecting cover and with connecting cover sliding connection's supporting shoe, furthermore, be connected with the supporting shoe hinge through the threaded rod, thereby carry out the ascending motion of vertical side and the adjustment that the inclination of drawing board was carried out in the connecting cover to the slip of supporting shoe through the threaded rod in the dead lever, the person of facilitating the use draws and demonstrates the drawing.
The utility model discloses in the embodiment, rocking handle 7 includes one end and 33 fixed connection's connecting piece 71 and rotates the handle 72 of being connected with the connecting piece 71 other end, handle 72 run through the connecting piece to box 4 extension and with the outer surface contact of box 4, fixed mounting has dog 73 on the handle 72 lateral wall between box 4 and the connecting piece 71, the cover is equipped with spring 74 between dog 73 and the connecting rod 72, be provided with a plurality of circumference distributions and can supply handle 72 male spacing hole 75 on the surface of box 1.
By adopting the technical scheme, the rocking handle comprises the connecting piece and the handle, wherein one end of the connecting piece is fixedly connected with the rotating shaft, the handle is rotatably connected with the other end of the connecting piece, and the rotating shaft can be driven to rotate by rotating the handle, so that the operation is convenient; keep away from the outside pulling of box when the handle, the spring is compressed, and handle and box contactless can normally rotate the handle and drive the pivot and rotate, and when release handle, spring release elasticity pushes the dog to the box, and then the handle is promoted by the elasticity of spring, impresses the handle spacing downthehole to the rotation of handle is spacing, can prevent that the pivot from taking place the reversal, thereby has guaranteed the stability of the drawing board after angular adjustment finishes.
In the embodiment of the present invention, the handle 72 is sleeved with a rubber sleeve, and the rubber sleeve is provided with the anti-slip lines distributed in the cross protrusions.
Through adopting above-mentioned technical scheme, the rubber sleeve that the cover was established improves user's comfort level when using the handle, is provided with the anti-skidding line that the alternately protruding distributes on the rubber sleeve, improves the frictional force between hand and the handle when using, the antiskid effect when guaranteeing to use.
In the embodiment of the present invention, the stabilizing device 6 includes a screw rod 61 penetrating the bottom of the box 1 and connected with a thread at the penetrating position and a suction cup 62 fixedly connected with one end of the box 1 far away from the screw rod 61.
Through adopting above-mentioned technical scheme, sucking disc accessible lead screw rotates to carry out with the absorption on ground to stability when improving on the toolbox and drawing.
In the embodiment of the present invention, the drawing board 2 is provided with a fixing clip 100 for clamping the drawing.
Through adopting above-mentioned technical scheme, can draw the drawing paper clamp on the drawing board, facilitate the use improves the travelling comfort that uses.
When the pull rod needs to be pulled or pushed and pulled to be converted, the working principle of the utility model is that the pull rod is pulled to drive the connecting slide block to press the first universal ball into the first blind hole, and then the pull rod is pushed or pulled to enable the connecting slide block to slide along the installation slide rail to be clamped into the arc-shaped clamping grooves in the middle or at the two ends;
when the length of the pull rod needs to be adjusted, the second universal ball can be pressed by a finger, the second universal ball is pressed into the second blind hole, the movable rod is pulled, and the second universal ball is clamped with the corresponding positioning hole, so that the adjustment is completed;
when the inclination angle of the drawing board needs to be adjusted, the handle is held by a hand, the handle is pulled outwards away from the box body until the handle is separated from the limiting hole, the handle is rotated along the circumferential direction of the rotating shaft, the rotating shaft is driven to rotate, the driving bevel gear on the rotating shaft rotates together, and the driven gear meshed with the driving bevel gear is driven to rotate, so that the threaded rod of the driven gear can move in the fixed rod in the vertical direction;
when the stability of the tool box needs to be adjusted during drawing, the sucker is held by a hand to rotate, so that the screw rod extends towards the ground until the sucker is adsorbed with the ground.
To sum up, the utility model provides an inclination of drawing board is adjustable, convenient transport, the toolbox that is difficult for rocking during the drawing.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. The utility model provides a novel drawing toolbox for civil architectural design, include the box and through rotate the seat with the box rotates the drawing board of connecting, its characterized in that: the side upper portion of box is provided with the installation slide rail, installs the pull rod on the installation slide rail, and the inner chamber of box is installed and is used for adjusting drawing board inclination's regulation portion and be used for connecting the drawing board with connecting portion between the regulation portion, the bottom of box is rotated to connect and is provided with the gyro wheel, and the outside of gyro wheel is provided with the stabilising arrangement with bottom half threaded connection.
2. The drawing tool box for civil architectural design according to claim 1, wherein: the installation slide rail is internally provided with a connecting slide block, the middle of the installation slide rail and the tops of the two ends of the installation slide rail are provided with arc-shaped clamping grooves for clamping the connecting slide block, the middle of the installation slide rail and the bottoms of the two ends of the installation slide rail are respectively provided with a first blind hole, a first universal ball is arranged in each blind hole, and a first compression spring is arranged at the bottom of each first universal ball.
3. The drawing tool box for civil architectural design according to claim 2, wherein: the pull rod comprises a sleeve rod hinged with the connecting slide block and a movable rod which is arranged in the sleeve rod and can move along the axial direction of the sleeve; a plurality of positioning holes are uniformly distributed in the side wall of the sleeve rod along the axial direction of the sleeve rod, a second blind hole which is coaxial with the positioning holes is formed in the movable rod, a second universal ball is arranged in the second blind hole, and a second compression spring is arranged at the bottom of the second universal ball.
4. The drawing tool box for civil architectural design according to claim 1, wherein: the adjusting part comprises a fixed rod arranged at the bottom of one side of an inner cavity of the box body, a threaded rod arranged in the fixed rod, a rotating shaft which is close to the threaded rod and is transversely arranged, a driven bevel gear in threaded connection with the threaded rod, and a driving bevel gear which is fixedly arranged on the rotating shaft and one side of which is meshed with the driven bevel gear, one end of the rotating shaft is rotatably connected with the inner wall of the box body, and the other end of the rotating shaft penetrates through the box body and extends to the outer side of the box body to; the connecting portion include with the drawing board lower surface fixed connection the connecting cover and with connecting cover sliding connection's support slider, support slider and threaded rod hinge are connected.
5. The drawing tool box for civil architectural design according to claim 4, wherein: the rocking handle includes one end and pivot fixed connection's connecting piece and rotates the handle of being connected with the connecting piece other end, handle through connection piece extend to the box and with the outer surface contact of box, fixed mounting has the dog on the handle lateral wall between box and the connecting piece, the cover is equipped with the spring between dog and the connecting rod, be provided with a plurality of circumference distribution on the surface of box and can supply handle male spacing hole.
6. The drawing tool box for civil architectural design according to claim 5, wherein: the handle is sleeved with a rubber sleeve, and the rubber sleeve is provided with anti-skid lines which are distributed in a crossed and protruding mode.
7. The drawing tool box for civil architectural design according to claim 1, wherein: the stabilizing device comprises a screw rod which penetrates through the bottom of the box body and is in threaded connection with the penetrating position, and a sucker which is fixedly connected with one end of the screw rod away from the box body.
8. The drawing tool box for civil architectural design according to claim 1, wherein: the drawing board is provided with a fixing clamp used for clamping a drawing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022274425.5U CN213030054U (en) | 2020-10-13 | 2020-10-13 | Novel drawing tool case for civil architectural design |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022274425.5U CN213030054U (en) | 2020-10-13 | 2020-10-13 | Novel drawing tool case for civil architectural design |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213030054U true CN213030054U (en) | 2021-04-23 |
Family
ID=75536138
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022274425.5U Active CN213030054U (en) | 2020-10-13 | 2020-10-13 | Novel drawing tool case for civil architectural design |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213030054U (en) |
-
2020
- 2020-10-13 CN CN202022274425.5U patent/CN213030054U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN207736351U (en) | A kind of automatic tube cutting machine | |
| CN112339141A (en) | Wall body fluting device that home decoration used | |
| CN213030054U (en) | Novel drawing tool case for civil architectural design | |
| CN107048691A (en) | A kind of length-adjustable table frame and desk | |
| CN113231903B (en) | Manufacturing and processing machine and manufacturing and processing method for luggage production accessories | |
| CN216305816U (en) | Vertical precisely-adjustable supporting device for portable full-hydraulic drilling machine | |
| CN208735197U (en) | A kind of engineering instrument of surveying and mapping adjustment device | |
| CN114378748A (en) | Hydraulic pipe clamp | |
| US7743852B2 (en) | Auger stabilizer | |
| CN206565525U (en) | A kind of length-adjustable table frame and desk | |
| CN216586535U (en) | Height-adjustable hydraulic hammer pile feeder | |
| CN215369702U (en) | Water well drilling machine drill bit translation device | |
| CN220907021U (en) | Hydraulic jack with anti-skid and steady support | |
| CN210767968U (en) | Building engineering strutting arrangement | |
| CN214064421U (en) | Route measuring device for highway design | |
| CN211882719U (en) | Electrodeless adjustment mechanism | |
| CN213261767U (en) | Drawing teaching aid for teaching | |
| CN218411527U (en) | Air bag pressure detector convenient to install and place | |
| CN216669336U (en) | Auxiliary sampling tool for antimony ore exploration | |
| CN211422536U (en) | Drilling device for building construction | |
| CN212185667U (en) | Multi-functional drawing device for environmental art | |
| CN217998222U (en) | Labor-saving device combined with tool shovel | |
| CN220663708U (en) | Indoor wall furniture shifts out device fast | |
| CN220058715U (en) | Trowelling machine convenient to adjust | |
| CN215051869U (en) | Municipal works curbstone mobile device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |