CN221105497U - Roman pole curtain rail - Google Patents
Roman pole curtain rail Download PDFInfo
- Publication number
- CN221105497U CN221105497U CN202322469955.9U CN202322469955U CN221105497U CN 221105497 U CN221105497 U CN 221105497U CN 202322469955 U CN202322469955 U CN 202322469955U CN 221105497 U CN221105497 U CN 221105497U
- Authority
- CN
- China
- Prior art keywords
- fixing
- rail
- roman
- window covering
- strip
- 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
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 238000009434 installation Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
Landscapes
- Curtains And Furnishings For Windows Or Doors (AREA)
Abstract
The utility model discloses a Roman rod curtain rail, which comprises a rail section bar, a fixing device and a plug; the track section bar includes opening part, lower opening part, external connection portion and internal connection portion, the fixed slot of upper shed portion being equipped with the U-shaped, the both sides top of fixed slot is equipped with respectively towards inboard external fixation strip and internal fixation strip, form the upper shed between external fixation strip and the internal fixation strip, fixing device includes mount and locating component, locating component includes rotating member and operating panel, the rotating member includes the column spinner and establishes the directional board in the column spinner below, the directional board is the rectangle, with the fixed slot cooperation setting, the length of directional board is greater than the width of upper shed, the width of directional board is less than the width of upper shed, it can drive the directional board rotatory to rotate the operating panel. The Roman pole curtain rail has the advantages that: the curtain rail is convenient to assemble and disassemble, the curtain rail is effectively prevented from falling or rotating, the curtain is smooth to open and close, and the whole appearance is attractive.
Description
Technical Field
The utility model relates to the technical field of curtain products, in particular to a Roman rod curtain rail.
Background
The Roman pole in the market at present generally comprises four parts of a track pole, a track head, a fixed support and a hanging ring. When the window curtain is used, the hanging ring is firstly penetrated on the track rod, then the Roman rod is fixed on the window, and the window curtain is fixed on the hanging ring for use, so that the window curtain is extremely convenient to use and has decoration. The existing Roman pole support is a pair of support poles fixed on the wall surface, semicircular grooves are formed in the support poles for placing the Roman poles, and the fixing frame has the following defects; 1. the roman rod risks disengaging from the recess and falling off the support rod; 2. the roman rod is easily rotated in the groove, thereby preventing the pulley in the ring from rolling in the sliding rail on the roman rod.
In chinese patent publication No. CN214631537U, a roman pole bracket is disclosed, which includes a support pole and a snap ring connected to the support pole for fixing the roman pole at a pole installation portion position of the support pole; the first installation component and the second installation component on the clamping ring are connected with the supporting rod, the clamping ring and the supporting rod are mutually matched to fix the Roman rod, the Roman rod is prevented from falling from the fixing frame, and meanwhile, the clamping ring is provided with a clamping rod part which is clamped with the outer surface of the Roman rod and used for limiting the rotation of the Roman rod in the fixing frame. The first installation component is hinged with the support rod, the second installation component is connected with the support rod in a clamping mode, the size of a supporting block of the clamping part, which is convenient for opening the clamping ring, is small, the operation is inconvenient for a person, in addition, the Roman rod has a rotating trend in the fixing frame, the clamping ring is easy to twist by acting force applied to the clamping rod part, the second installation component is separated from the support rod, and therefore, the Roman rod still has the risk of being separated from the support rod and falling down, and likewise, the Roman rod also easily rotates in the groove, so that the pulley in the ring is not beneficial to rolling in the sliding rail on the Roman rod.
For this purpose we propose a roman rod curtain rail.
Disclosure of utility model
The utility model aims to provide the Roman rod curtain rail, which is convenient to assemble and disassemble, effectively prevents the curtain rail from falling or rotating, and is smooth in opening and closing and attractive in overall appearance.
In order to achieve the above purpose, the present utility model adopts the following technical scheme:
A roman rod window covering rail comprising: the rail section is provided with a fixing device and a plug.
The track section bar includes opening, lower opening, external connection portion and internal connection portion, the upper opening is equipped with the fixed slot of U-shaped, and the both sides top of fixed slot is equipped with respectively towards inboard external fixation strip and internal fixation strip, forms the upper shed between external fixation strip and the internal fixation strip, lower opening is including outer slide and the interior slide that corresponds the setting, forms the lower opening between outer slide and the interior slide, external connection portion connects external fixation strip and outer slide, internal connection portion connects internal fixation strip and interior slide, and external connection portion and internal connection portion correspond the setting.
The fixing device comprises a fixing frame and a positioning assembly, wherein the fixing frame comprises a vertical fixing part and a horizontal fixing part, wall fixing holes are formed in two ends of the vertical fixing part, positioning placing holes are formed in the horizontal fixing part, the positioning assembly comprises a rotating part and an operating plate, the rotating part comprises a rotating column and a directional plate arranged below the rotating column, the rotating column is matched with the positioning placing holes, the directional plate is rectangular and matched with the fixing groove, the length of the directional plate is larger than the width of the upper opening, the width of the directional plate is smaller than the width of the upper opening, a connecting shaft penetrating through the rotating column is arranged at the top of the rotating column, a rotating column avoiding groove is formed in one end of the operating plate, connecting lugs are arranged on two sides of the rotating column avoiding groove, and the connecting lugs are sleeved on the connecting shaft.
Further, a first arc edge tangent to the top surface of the transverse fixing part is arranged on the connecting lug, and a second arc edge tangent to the top surface of the transverse fixing part is arranged at one end, away from the connecting lug, of the operating plate.
Further, a tilting part is arranged on one side, away from the rotary column avoiding groove, of the second arc edge on the operation plate.
Further, the first arc edge and the connecting shaft are not coaxially arranged, and a limiting straight edge is arranged on one side, far away from the second arc edge, of the first arc edge.
Further, two ends of a diagonal line of the orientation plate are respectively and correspondingly provided with a rotary round angle.
Further, the outer fixing strip, the outer connecting portion and the outer slide way form a first elliptic arc, the inner fixing strip, the inner connecting portion and the inner slide way form a second elliptic arc, the first elliptic arc and the second elliptic arc are correspondingly arranged, and two sides of the fixing groove extend downwards and are respectively connected with the outer connecting portion and the inner connecting portion.
Further, one side of the top surface of the outer slide close to the lower opening is obliquely arranged upwards, and one side of the top surface of the inner slide close to the lower opening is obliquely arranged upwards.
Further, the top ends of the outer connecting part and the inner connecting part are respectively and correspondingly provided with an inserting groove, and the plug is provided with a convex rod corresponding to the inserting groove.
Furthermore, a triangular support part is arranged below one end of the transverse fixing part, which is close to the vertical fixing part.
Further, a fixing shell is arranged on the outer side of the vertical fixing part.
The utility model comprises a track section bar, a fixing device and a plug; the track section bar includes opening part, lower opening part, external connection portion and internal connection portion, the fixed slot of upper shed portion being equipped with the U-shaped, the both sides top of fixed slot is equipped with respectively towards inboard external fixation strip and internal fixation strip, form the upper shed between external fixation strip and the internal fixation strip, fixing device includes mount and locating component, locating component includes rotating member and operating panel, the rotating member includes the column spinner and establishes the directional board in the column spinner below, the directional board is the rectangle, with the fixed slot cooperation setting, the length of directional board is greater than the width of upper shed, the width of directional board is less than the width of upper shed, it can drive the directional board rotatory to rotate the operating panel. The Roman pole curtain rail has the advantages that: the curtain rail is convenient to assemble and disassemble, the curtain rail is effectively prevented from falling or rotating, the curtain is smooth to open and close, and the whole appearance is attractive.
Drawings
Fig. 1 is a schematic perspective view of a roman rod curtain rail according to the present utility model;
fig. 2 is an assembled schematic view of a roman rod curtain rail provided by the utility model;
FIG. 3 is a left side view of the Roman pole window covering track provided by the present utility model;
FIG. 4 is an enlarged view of a portion of FIG. 3 at A;
Fig. 5 is a left side view of a track profile in a roman rod curtain track provided by the utility model;
Fig. 6 is a schematic perspective view of a rotating member in a roman rod curtain rail according to the present utility model;
fig. 7 is a schematic perspective view of an operation panel in a roman rod curtain rail according to the present utility model.
Detailed Description
The utility model provides a roman rod curtain rail, which is used for making the purpose, technical scheme and effect of the utility model clearer and more definite, and the utility model is further described in detail below by referring to the attached drawings and examples. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.
The utility model provides a roman rod curtain rail, the structure of which is shown in figures 1-7, comprising: the rail profile 1, the rail profile 1 is provided with a fixing device 2 and a plug 3.
The track profile 1 comprises an upper opening 11, a lower opening 12, an outer connecting part 13 and an inner connecting part 14, the upper opening 11 is provided with a U-shaped fixing groove 111, the tops of two sides of the fixing groove 111 are respectively provided with an outer fixing strip 112 and an inner fixing strip 113 which face inwards, an upper opening 114 is formed between the outer fixing strip 112 and the inner fixing strip 113, the lower opening 12 comprises an outer slideway 121 and an inner slideway 122 which are correspondingly arranged, a lower opening 123 is formed between the outer slideway 121 and the inner slideway 122, the outer connecting part 13 is connected with the outer fixing strip 112 and the outer slideway 121, the inner connecting part 14 is connected with the inner fixing strip 113 and the inner slideway 122, and the outer connecting part 13 and the inner connecting part 14 are correspondingly arranged.
The fixing device 2 comprises fixing frames and positioning components, each fixing frame comprises a vertical fixing portion 21 and a horizontal fixing portion 22, wall fixing holes 211 are formed in two ends of the vertical fixing portion 21, positioning placing holes 221 are formed in the horizontal fixing portions 22, in the embodiment, 2 positioning placing holes 221 are formed in each fixing frame, and if the fixing frames are used on a single-track curtain, 1 positioning placing hole 221 is formed in each fixing frame. Similarly, a plurality of positioning holes 221 are formed in the fixing frame, so that a plurality of track profiles 1 can be fixed by 2 corresponding fixing devices 2. The locating component includes rotating member 23 and operating panel 24, and rotating member 23 includes column 231 and establishes the directional board 232 in the column 231 below, column 231 and location are placed the hole 221 cooperation and are set up, directional board 232 is the rectangle, with fixed slot 111 cooperation sets up, and the length of directional board 232 is greater than the width of upper shed 114, and the width of directional board 232 is less than the width of upper shed 114, the top of column 231 is equipped with the connecting axle 25 that runs through column 231, operating panel 24 establishes in the top of horizontal fixed part 22, and one end is equipped with the column of revolution and dodges groove 241, and the both sides of column of revolution dodges groove 241 are equipped with engaging lug 242, and engaging lug 242 cover is established on the connecting axle 25.
When the curtain rail is installed, pulleys of hanging rings are sequentially placed in the rail section bar 1 along the lower opening 123, plugs 3 are fixed at two ends of the rail section bar 1, 2 fixing frames are fixed on a wall surface through bolts, an operation plate 24 on each fixing frame is rotated, the length direction of an orientation plate 232 is parallel to the length direction of the rail section bar 1, the rail section bar 1 is pushed upwards due to the fact that the width of the orientation plate 232 is smaller than that of the upper opening 114, the operation plates 24 on the 2 fixing frames are sequentially rotated after the orientation plate 232 is positioned in the fixing groove 111 until the length direction of the orientation plate 232 is perpendicular to the length direction of the rail section bar 1, and the positions of two ends of the rail section bar 1 are limited by an outer fixing strip 112 and an inner fixing strip 113 at two sides of the upper opening 114 due to the fact that the length of the orientation plate 232 is larger than that of the upper opening 114, and the curtain rail is installed. When the operation plate 24 is reversely rotated during disassembly, the rail profile 1 can be quickly separated from the fixing groove 111, and the rail profile 1 can be removed from the fixing frame. The structure is convenient for loading and unloading the track section bar, can effectively prevent the track section bar from falling off from the fixing frame, and the track section bar can not rotate on the fixing frame, thereby avoiding the unsmooth sliding of the pulley of the hanging ring in the track section bar and ensuring the smooth opening and closing of the curtain.
Specifically, the connecting lug 242 is provided with a first arc edge 243 tangent to the top surface of the transverse fixing portion 22, and the end of the operating plate 24 away from the connecting lug 242 is provided with a second arc edge 244 tangent to the top surface of the transverse fixing portion 22. A tilting portion 245 is disposed on a side of the second arc edge 244 of the operation plate 24 away from the spin column avoiding groove 241. Through the first arc edge 243 and the second arc edge 244 tangent with the top surface of the horizontal fixing part 22, the operation plate 24 can be stably placed above the horizontal fixing part 22, the width of the operation plate 24 can be set to be slightly wider than the width of a conventional finger of an adult, the operation plate 24 can be stirred by a human hand through the tilting part 245, the operation plate 24 can rotate around the central shaft of the connecting shaft 25, and after the operation plate 24 is changed from horizontal to vertical, the operation plate 24 can be rotated along the horizontal plane by the human hand conveniently, so that the operation convenience of assembling and disassembling the curtain rail is improved.
The first arc edge 243 is not coaxial with the connecting shaft 25, one side of the first arc edge 243 far away from the second arc edge 244 is provided with a limiting straight edge 246, when a human hand rotates the operating panel 24 around the central shaft of the connecting shaft 25, the second arc edge 244 is far away from the top surface of the transverse fixing part 22, the first arc edge 243 is far away from the top surface of the transverse fixing part 22, the friction force between the operating panel 24 and the transverse fixing part 22 is reduced, the service life of the operating panel 24 is prolonged, when the limiting straight edge 246 enables the operating panel 24 to rotate around the central shaft of the connecting shaft 25, the operating panel 24 cannot continue to rotate after reaching a vertical state, the human hand is facilitated to rotate the operating panel 24 along the horizontal plane, the structure accords with ergonomics, convenience in assembling and disassembling curtain rails is guaranteed, and the service life of the fixing device is prolonged.
Specifically, two ends of a diagonal line of the orientation plate 232 are respectively and correspondingly provided with a rotary round corner 232a, the rotary round corner 232a enables the orientation plate 232 to smoothly rotate, and the length of the orientation plate 232 is set to be slightly smaller than the width value of the fixing groove 111, so that the track profile 1 and the fixing device 2 are firmly connected, and the firmness of smooth loading and unloading work and curtain track connection is ensured.
Specifically, the outer fixing strip 112, the outer connecting portion 13 and the outer slide 121 form a first elliptical arc, the inner fixing strip 113, the inner connecting portion 14 and the inner slide 122 form a second elliptical arc, the first elliptical arc and the second elliptical arc are correspondingly arranged, the track profile 1 has good aesthetic property, two sides of the fixing groove 111 extend downwards and are respectively connected with the outer connecting portion 13 and the inner connecting portion 14, two sides of the fixing groove 111 and the downward extending edges thereof form a stable structure similar to a triangle with the first elliptical arc and the second elliptical arc, and the support strength of the track profile 1 is good.
Specifically, the top surface of the outer slide 121 is disposed at an upward incline near the lower opening 123, and the top surface of the inner slide 122 is disposed at an upward incline near the lower opening 123. When the pulley of the hanging ring slides on the outer slide way 121 and the inner slide way 122, the contact area between the pulley and the outer slide way 121 and the contact area between the pulley and the inner slide way 122 are small, the sliding resistance is small, and the corresponding outer slide way 121 and the inner slide way 122 enable the hanging ring to have an automatic centering effect, so that the sliding of the pulley is prevented from being influenced due to the contact of the hanging ring and the two sides of the lower opening 123, and the smooth opening and closing of the curtain are ensured.
Specifically, the top ends of the outer connecting portion 13 and the inner connecting portion 14 are respectively provided with an inserting groove 15, and the plug 3 is provided with a protruding rod 31 corresponding to the inserting groove 15. The cross section of the plug 3 is elliptic corresponding to the track section bar 1, the plug 3 can select a long plug or a short plug according to user preference, the plug 3 is positioned through the protruding rod 31 and the inserting groove 15, the plug 3 is fixed with the track section bar 1 through bolts, dislocation of the plug 3 after the plug 3 is fixed with the track section bar 1 is avoided, and the attractiveness of a curtain track is guaranteed.
Specifically, the triangle support part 26 is arranged below one end of the horizontal fixing part 22, which is close to the vertical fixing part 21, and the triangle support part 26 improves the support strength of the fixing frame and reduces the risk of falling of the curtain rail and the curtain.
Specifically, the outside of standing fixed part 21 is equipped with fixed shell 27, and the both ends of standing fixed part 21 are equipped with the inclined plane, are equipped with the joint arch that corresponds with the inclined plane on the fixed shell 27, with fixed shell 27 joint on standing fixed part 21, avoid standing fixed part 21 on with the wall the bolt of connection expose, make whole curtain rail appearance pleasing to the eye.
In summary, the utility model comprises a rail section, a fixing device and a plug; the track section bar includes opening part, lower opening part, external connection portion and internal connection portion, the fixed slot of upper shed portion being equipped with the U-shaped, the both sides top of fixed slot is equipped with respectively towards inboard external fixation strip and internal fixation strip, form the upper shed between external fixation strip and the internal fixation strip, fixing device includes mount and locating component, locating component includes rotating member and operating panel, the rotating member includes the column spinner and establishes the directional board in the column spinner below, the directional board is the rectangle, with the fixed slot cooperation setting, the length of directional board is greater than the width of upper shed, the width of directional board is less than the width of upper shed, it can drive the directional board rotatory to rotate the operating panel. The Roman pole curtain rail has the advantages that: the curtain rail is convenient to assemble and disassemble, the curtain rail is effectively prevented from falling or rotating, the curtain is smooth to open and close, and the whole appearance is attractive.
It will be understood that modifications and variations will be apparent to those skilled in the art from the foregoing description, and it is intended that all such modifications and variations be included within the scope of the following claims.
Claims (10)
1. A roman rod window covering rail, comprising: the rail profile is provided with a fixing device and a plug;
The track profile comprises an upper opening part, a lower opening part, an outer connecting part and an inner connecting part, wherein the upper opening part is provided with a U-shaped fixing groove, the tops of two sides of the fixing groove are respectively provided with an outer fixing strip and an inner fixing strip which face to the inner side, an upper opening is formed between the outer fixing strip and the inner fixing strip, the lower opening part comprises an outer slideway and an inner slideway which are correspondingly arranged, a lower opening is formed between the outer slideway and the inner slideway, the outer connecting part is connected with the outer fixing strip and the outer slideway, the inner connecting part is connected with the inner fixing strip and the inner slideway, and the outer connecting part and the inner connecting part are correspondingly arranged;
The fixing device comprises a fixing frame and a positioning assembly, wherein the fixing frame comprises a vertical fixing part and a horizontal fixing part, wall fixing holes are formed in two ends of the vertical fixing part, positioning placing holes are formed in the horizontal fixing part, the positioning assembly comprises a rotating part and an operating plate, the rotating part comprises a rotating column and a directional plate arranged below the rotating column, the rotating column is matched with the positioning placing holes, the directional plate is rectangular and matched with the fixing groove, the length of the directional plate is larger than the width of the upper opening, the width of the directional plate is smaller than the width of the upper opening, a connecting shaft penetrating through the rotating column is arranged at the top of the rotating column, a rotating column avoiding groove is formed in one end of the operating plate, connecting lugs are arranged on two sides of the rotating column avoiding groove, and the connecting lugs are sleeved on the connecting shaft.
2. A roman rod window covering rail as claimed in claim 1 wherein: the connecting lug is provided with a first arc edge tangent to the top surface of the transverse fixing part, and one end, far away from the connecting lug, of the operating plate is provided with a second arc edge tangent to the top surface of the transverse fixing part.
3. A roman rod window covering rail as claimed in claim 2 wherein: and a tilting part is arranged on one side, away from the rotary column avoiding groove, of the second arc edge on the operation plate.
4. A roman rod window covering rail as claimed in claim 2 wherein: the first arc edge and the connecting shaft are not coaxially arranged, and a limiting straight edge is arranged on one side, far away from the second arc edge, of the first arc edge.
5. A roman rod window covering rail as claimed in claim 1 wherein: and two ends of a diagonal line of the orientation plate are respectively and correspondingly provided with a rotary fillet.
6. A roman rod window covering rail as claimed in claim 1 wherein: the outer fixing strip, the outer connecting portion and the outer slide way form a first elliptic arc, the inner fixing strip, the inner connecting portion and the inner slide way form a second elliptic arc, the first elliptic arc and the second elliptic arc are correspondingly arranged, and two sides of the fixing groove extend downwards and are respectively connected with the outer connecting portion and the inner connecting portion.
7. A roman rod window covering rail as claimed in claim 1 wherein: the top surface of outer slide is close to the one side tilt up setting of lower opening, and the one side tilt up setting of the top surface of inner slide is close to the lower opening.
8. A roman rod window covering rail as claimed in claim 1 wherein: the top ends of the outer connecting part and the inner connecting part are respectively and correspondingly provided with an inserting groove, and the plug is provided with a convex rod corresponding to the inserting groove.
9. A roman rod window covering rail as claimed in claim 1 wherein: and a triangular supporting part is arranged below one end of the transverse fixing part, which is close to the vertical fixing part.
10. A roman rod window covering rail as claimed in claim 1 wherein: the outside of the vertical fixing part is provided with a fixing shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322469955.9U CN221105497U (en) | 2023-09-12 | 2023-09-12 | Roman pole curtain rail |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322469955.9U CN221105497U (en) | 2023-09-12 | 2023-09-12 | Roman pole curtain rail |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221105497U true CN221105497U (en) | 2024-06-11 |
Family
ID=91336051
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322469955.9U Active CN221105497U (en) | 2023-09-12 | 2023-09-12 | Roman pole curtain rail |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221105497U (en) |
-
2023
- 2023-09-12 CN CN202322469955.9U patent/CN221105497U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN221105497U (en) | Roman pole curtain rail | |
| US20060215073A1 (en) | Liquid Crystal Display power-driven structure | |
| CN110700716A (en) | American hand-operated outward casement window | |
| GB2354040A (en) | Pivotal coupling structure for panels | |
| CN213015880U (en) | Hinge for door and window | |
| CN100547218C (en) | But a kind of push-and-pull frame-free window of universal positioning and flat-open | |
| CN217711929U (en) | Waterproof louver blade and louver shed | |
| CN207048590U (en) | A kind of shower house for being easy to maintenance | |
| CN208619395U (en) | A kind of fan head oscillating head mechanism | |
| CN216197742U (en) | Ladder belt seat for blind curtain | |
| CN209687149U (en) | It is a kind of for the adjustable suspension clamp of shower house and its shower doors of application | |
| CN220705998U (en) | Fan capable of shaking head | |
| CN218150391U (en) | World hinge suitable for narrow frame | |
| CN207048582U (en) | A kind of revolving door | |
| CN216043444U (en) | Novel locking device for aluminum-plastic doors and windows | |
| CN219061314U (en) | Sliding rail type opening and closing window | |
| JPH036796Y2 (en) | ||
| CN214094205U (en) | Novel blade type lamp decoration | |
| CN219367534U (en) | Intelligent anti-dazzle down lamp structure | |
| CN217783216U (en) | Spacing wind brace | |
| CN216281249U (en) | Electric head swinging lamp bracket structure | |
| CN221256455U (en) | Hinge device for suspended window | |
| CN218029706U (en) | Balcony door slide rail structure | |
| CN218439084U (en) | Steel fireproof door convenient to install | |
| CN212428388U (en) | Fast-assembling window brace |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |