CN105805507A - Height adjustment mechanism of displayer - Google Patents
Height adjustment mechanism of displayer Download PDFInfo
- Publication number
- CN105805507A CN105805507A CN201610388740.6A CN201610388740A CN105805507A CN 105805507 A CN105805507 A CN 105805507A CN 201610388740 A CN201610388740 A CN 201610388740A CN 105805507 A CN105805507 A CN 105805507A
- Authority
- CN
- China
- Prior art keywords
- worm gear
- lifting column
- reducing worm
- height
- reducing
- 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.)
- Granted
Links
- 230000007246 mechanism Effects 0.000 title abstract description 5
- 239000004568 cement Substances 0.000 claims description 8
- 210000002421 cell wall Anatomy 0.000 claims description 3
- 230000014759 maintenance of location Effects 0.000 claims description 3
- 238000004804 winding Methods 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 3
- 230000008569 process Effects 0.000 abstract description 3
- 230000006872 improvement Effects 0.000 description 7
- 238000010586 diagram Methods 0.000 description 3
- 238000007667 floating Methods 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
- F16M11/20—Undercarriages with or without wheels
- F16M11/24—Undercarriages with or without wheels changeable in height or length of legs, also for transport only, e.g. by means of tubes screwed into each other
- F16M11/242—Undercarriages with or without wheels changeable in height or length of legs, also for transport only, e.g. by means of tubes screwed into each other by spreading of the legs
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
- F16M11/02—Heads
- F16M11/18—Heads with mechanism for moving the apparatus relatively to the stand
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Displays For Variable Information Using Movable Means (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
Abstract
The invention discloses a height adjustment mechanism of a displayer. The height adjustment mechanism comprises a lifting column, a rotor assembly, a reducing worm gear, a pulley, an elastic piece and a rope. The rotor assembly can be located on the lifting column in a sliding manner in the vertical direction. The pulley is rotationally mounted at the upper end of one side of the lifting column. The reducing worm gear is rotationally mounted at the lower end of one side of the lifting column. A gear groove in the reducing worm gear is of a structure gradually reduced from one end to the other end. The upper end of the elastic piece is fixedly connected with the upper end of the lifting column, and the lower end of the elastic piece is connected with the upper end of the rope. The other end of the rope is closely wound around the gear groove of the reducing worm gear to turn, then is wound around the pulley to turn and is finally connected with the rotor assembly. In the lifting process of the displayer, the elastic force of the elastic piece is used for providing supporting, meanwhile, tension changes generated by different stretching degrees of the elastic piece are balanced by changing the diameter of the gear groove of the reducing worm gear, stress balancing is achieved, the displayer can keep in a suspended state at any position, and height adjustment of the displayer is easy and convenient.
Description
Technical field
The present invention relates to a kind of tabletop display mounting bracket, particularly to a kind of height of display governor motion.
Background technology
Currently in order to adapt to different height user, the demands such as display devices of varying sizes and use state, need to regulate height of display, current height of display regulates the mode adopting screw locking more, frictional force is provided by the clamping force between pad, and then realize adjustment and the location of height of display position, but this adjustment mode is very inconvenient, need to regulate multiple screw, and, during adjustment, need people and hold up display, otherwise easily cause display drop damage situation occur, and owing to adopting frictional force to realize the location of display, easily wear and tear after life-time service, coupling mechanism force is caused to lose efficacy, display can glide gradually under Gravitative Loads, it is difficult to the location status remained stable for, used and adjustment brings puzzlement.
Summary of the invention
In order to overcome drawbacks described above, the invention provides a kind of height of display governor motion, this height of display governor motion can make display keep floating state at an arbitrary position, and it is light, convenient to regulate.
The present invention is to solve the technical scheme that its technical problem adopts: a kind of height of display governor motion, including lifting column, rotary head assembly, reducing worm gear, pulley, elastic component and rope, described rotary head assembly can vertically be slidingly positioned on lifting column, what pulley can rotate is installed on the upper end of lifting column side, what reducing worm gear can rotate is installed on the lower end of lifting column side, race on reducing worm gear is the structure being gradually reduced to the other end from one end, elastic component upper end is fixing with lifting column upper end to be connected, elastic component lower end is connected with rope upper end, the rope other end is walked around the race rear steering of reducing worm gear closely and is turned to further around crossing pulley and be finally connected with rotary head assembly.
As a further improvement on the present invention, described lifting column is also additionally provided with the slide rail of longitudinal extension, forming the chute extended longitudinally on slide rail, rotary head assembly is provided with slide rail connecting plate, and described slide rail connecting plate is provided with the bulge-structure be able to extending in the chute of slide rail.
As a further improvement on the present invention, described elastic component includes adjusting bolt and extension spring, what described adjusting bolt axial retention and circumferencial direction can rotate is positioned lifting column upper end, and extension spring upper end is fixed with a nut body, and adjusting bolt lower end and this nut body are spirally connected.
As a further improvement on the present invention, described nut body is card with threaded hole, and this card surrounding is just closely arranged in the gap of extension spring two adjacent windings.
As a further improvement on the present invention, described lifting column side is additionally provided with the guiding groove for correcting elastic component.
As a further improvement on the present invention, described it is additionally provided with reducing worm gear stator, screw, worm gear stationary bushing and some pads are installed, described reducing worm gear stator is fixedly installed on lifting column, the space holding reducing worm gear is formed between reducing worm gear stator and lifting column, reducing worm gear stator is provided with installing hole, lifting column is provided with screwed hole, installs screw and passes through reducing worm gear stator, reducing worm gear, worm gear stationary bushing and some pads and be finally spirally connected with lifting column.
As a further improvement on the present invention, described some pads include metallic gasket and plastic cement pad, and described metallic gasket and plastic cement pad one_to_one corresponding are spaced.
As a further improvement on the present invention, described reducing worm gear includes first and second race, and the first race diameter, more than the second race diameter, the cell wall between first and second race is formed by the opening of first and second race connection.
The invention has the beneficial effects as follows: the present invention is provided by elastic component elastic force while supporting in display lifting process, balance elastic component by the change of reducing worm gear race diameter and stretch the tension variations produced in various degree, realize stress balance, make display can keep floating state at an arbitrary position, height of display regulates light, convenient, this height adjustment mechanism will cause location of displays unstable because of life-time service abrasion, automatically glide without the reason because of display deadweight, the state of energy stable for extended periods of time after the adjustment of location of displays.
Accompanying drawing explanation
Fig. 1 is the exploded view of the present invention；
Fig. 2 is the structural principle axonometric chart of the present invention；
Fig. 3 is principles of the invention front view；
Fig. 4 be in Fig. 3 A-A to cutaway view Amplified image；
Fig. 5 is reducing worm gear assembling assumption diagram；
Fig. 6 is inventive display position adjustments schematic diagram；
Fig. 7 is the use state diagram that the present invention is applied to desktop type pole bracket.
Detailed description of the invention
Embodiment: a kind of height of display governor motion, including lifting column 1, rotary head assembly 2, reducing worm gear 3, pulley 4, elastic component and rope 6, described rotary head assembly 2 can vertically be slidingly positioned on lifting column 1, what pulley 4 can rotate is installed on the upper end of lifting column 1 side, what reducing worm gear 3 can rotate is installed on the lower end of lifting column 1 side, race on reducing worm gear 3 is the structure being gradually reduced to the other end from one end, elastic component upper end is fixing with lifting column 1 upper end to be connected, elastic component lower end is connected with rope 6 upper end, rope 6 other end is walked around the race rear steering of reducing worm gear 3 closely and is turned to further around crossing pulley 4 and be finally connected with rotary head assembly 2.
nullWhen height of display regulates，Downward push-and-pull display，The while that rotary head assembly 2 declining, rope 6 other end is also hauled stretch downward，Pulley 4 walked around by rope 6，Drive reducing turbine，Reducing turbine is made to rotate counterclockwise，Rope 6 one end pulls downward on elastic component so as to extend，Produce pulling force，Thus offsetting the power that display is downward，During adjustment，Reducing worm gear 3 is driven by rope 6 sliding and rotates，Rope 6 one end is wound into the position that reducing worm gear 3 race diameter is little gradually，It is multiplied by the principle of pulling force equal to the arm of force according to moment，After elastic component is stretched gradually, its value of thrust is gradually increased，Reducing worm gear 3 balances changeless display gravity by being gradually reduced the race diameter of rope 6 one ends wound，After making adjustment terminate，Reducing worm gear 3 two ends equalising torque，The location status that display remains stable for，Contrary then display rises，Reducing worm gear 3 is driven to reversely rotate，Rope 6 one end is wound into the position that reducing worm gear 3 race diameter is big gradually，The length that elastic component is stretched diminishes，Elastic force tapers into，Thus offsetting display gravity together with display lifting force upwards，So，Display lifting process is provided by elastic component elastic force while supporting，Balance elastic component by the change of reducing worm gear 3 race diameter and stretch the tension variations produced in various degree，Realize stress balance，Make display can keep floating state at an arbitrary position.
Described lifting column 1 is also additionally provided with the slide rail 7 of longitudinal extension, slide rail 7 is formed the chute extended longitudinally, rotary head assembly 2 is provided with slide rail connecting plate 8, described slide rail connecting plate 8 is provided with the bulge-structure 9 in the chute that be able to extend into slide rail 7, the guiding of rotary head assembly 2 is realized, it is ensured that slide during rotary head assembly 2 longitudinally lifting smooth and easy by slide rail 7.
Described elastic component includes adjusting bolt 5 and extension spring 10, what described adjusting bolt 5 axial retention and circumferencial direction can rotate is positioned lifting column 1 upper end, extension spring 10 upper end is fixed with a nut body, adjusting bolt 5 lower end and this nut body are spirally connected, regulate elastic component length by rotating adjusting bolt 5, and then adapt to the position adjustments of the display of Different Weight.
Described nut body is card 11 with threaded hole, and this card 11 surrounding is just closely arranged in the gap of 10 liang of adjacent windings of extension spring.
Described lifting column 1 side is additionally provided with the guiding groove 12 for correcting elastic component, for correcting elastic component, it is to avoid elastic component deflects, it is ensured that supporting & stablizing, keeps display to be in stable state all the time.
Described it is additionally provided with reducing worm gear stator 13, screw 14 is installed, worm gear stationary bushing 15 and some pads, described reducing worm gear stator 13 is fixedly installed on lifting column 1, the space holding reducing worm gear 3 is formed between reducing worm gear stator 13 and lifting column 1, reducing worm gear stator 13 is provided with installing hole, lifting column 1 is provided with screwed hole, screw 14 is installed and passes through reducing worm gear stator 13, reducing worm gear 3, worm gear stationary bushing 15 and some pads are also final to be spirally connected with lifting column 1, lock when installing screw 14, each pad gap reduces, frictional force between the two is made to increase, thus strengthening display up-down adjustment constant force effect；Otherwise, frictional force reduces, and weakens up-down adjustment constant force effect.
Described some pads include metallic gasket 16 and plastic cement pad 17, described metallic gasket 16 is spaced with plastic cement pad 17 one_to_one corresponding, 3 metallic gaskets 16 and 3 plastic cement pads 17 intersect to be put, plastic cement pad 17 inner ring is that hexagonal is fixed on display lifting column 1, metallic gasket 16 transfer Tong Bu with reducing turbine.
Described reducing worm gear 3 includes first and second race, and the first race diameter, more than the second race diameter, the cell wall between first and second race is formed by the opening of first and second race connection, naturally it is also possible to be helical structure.
Claims (8)
1. a height of display governor motion, it is characterized in that: include lifting column (1), rotary head assembly (2), reducing worm gear (3), pulley (4), elastic component and rope (6), described rotary head assembly can vertically be slidingly positioned on lifting column, what pulley can rotate is installed on the upper end of lifting column side, what reducing worm gear can rotate is installed on the lower end of lifting column side, race on reducing worm gear is the structure being gradually reduced to the other end from one end, elastic component upper end is fixing with lifting column upper end to be connected, elastic component lower end is connected with rope upper end, the rope other end is walked around the race rear steering of reducing worm gear closely and is turned to further around crossing pulley and be finally connected with rotary head assembly.
2. height of display governor motion according to claim 1, it is characterized in that: described lifting column is also additionally provided with the slide rail (7) of longitudinal extension, slide rail is formed the chute extended longitudinally, rotary head assembly is provided with slide rail connecting plate (8), and described slide rail connecting plate is provided with the bulge-structure (9) be able to extending in the chute of slide rail.
3. height of display governor motion according to claim 1, it is characterized in that: described elastic component includes adjusting bolt (5) and extension spring (10), what described adjusting bolt axial retention and circumferencial direction can rotate is positioned lifting column upper end, extension spring upper end is fixed with a nut body, and adjusting bolt lower end and this nut body are spirally connected.
4. height of display governor motion according to claim 3, it is characterised in that: described nut body is card (11) with threaded hole, and this card surrounding is just closely arranged in the gap of extension spring two adjacent windings.
5. height of display governor motion according to claim 1, it is characterised in that: described lifting column side is additionally provided with the guiding groove (12) for correcting elastic component.
6. height of display governor motion according to claim 1, it is characterized in that: described in be additionally provided with reducing worm gear stator (13), screw (14) is installed, worm gear stationary bushing (15) and some pads, described reducing worm gear stator is fixedly installed on lifting column, the space holding reducing worm gear is formed between reducing worm gear stator and lifting column, reducing worm gear stator is provided with installing hole, lifting column is provided with screwed hole, screw is installed and passes through reducing worm gear stator, reducing worm gear, worm gear stationary bushing and some pads are also final to be spirally connected with lifting column.
7. height of display governor motion according to claim 6, it is characterised in that: described some pads include metallic gasket (16) and plastic cement pad (17), and described metallic gasket and plastic cement pad one_to_one corresponding are spaced.
8. height of display governor motion according to claim 1, it is characterized in that: described reducing worm gear includes first and second race, first race diameter, more than the second race diameter, the cell wall between first and second race is formed by the opening of first and second race connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610388740.6A CN105805507B (en) | 2016-06-03 | 2016-06-03 | Height adjusting mechanism for display |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610388740.6A CN105805507B (en) | 2016-06-03 | 2016-06-03 | Height adjusting mechanism for display |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105805507A true CN105805507A (en) | 2016-07-27 |
| CN105805507B CN105805507B (en) | 2020-03-20 |
Family
ID=56428307
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610388740.6A Active CN105805507B (en) | 2016-06-03 | 2016-06-03 | Height adjusting mechanism for display |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105805507B (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106989260A (en) * | 2017-04-10 | 2017-07-28 | 宁波西尼液晶支架制造有限公司 | A kind of Multifunctional wall furnace cradle |
| CN109373125A (en) * | 2018-11-16 | 2019-02-22 | 潍坊歌尔电子有限公司 | The helmet system of helmet console and the application bracket |
| CN112610833A (en) * | 2020-12-31 | 2021-04-06 | 上海宏英智能科技股份有限公司 | Display support capable of realizing multi-motion adjustment |
| CN114209438A (en) * | 2021-12-22 | 2022-03-22 | 瑞鼎工业技术(昆山)有限公司 | 5G signal ward round car |
| WO2023160024A1 (en) * | 2022-02-25 | 2023-08-31 | 尤小东 | Support frame, display device and lift table |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2207657Y (en) * | 1993-10-30 | 1995-09-13 | 冶金工业部自动化研究院 | Protective brake when cut off of electricity |
| CN201105662Y (en) * | 2007-11-26 | 2008-08-27 | 周建科 | Spring compensating device |
| CN101510110A (en) * | 2009-03-16 | 2009-08-19 | 江阴快力特机械有限公司 | Computer support |
| CN201827270U (en) * | 2010-07-23 | 2011-05-11 | 中外合资沃得重工（中国）有限公司 | Totally closed multiple-disk oil-cooled brake |
| CN202469420U (en) * | 2012-02-20 | 2012-10-03 | 罗成一 | Load-bearing-adjustable display rack |
| CN203852364U (en) * | 2014-02-28 | 2014-10-01 | Ge医疗系统环球技术有限公司 | Lifting device and X-ray photographic equipment comprising lifting device |
| CN104337526A (en) * | 2013-07-29 | 2015-02-11 | 南京普爱射线影像设备有限公司 | Cone pulley and spring balance device of medical X ray machine |
| CN105299415A (en) * | 2015-11-13 | 2016-02-03 | 中山市宜高机电科技有限公司 | Multi-joint suspension support for liquid crystal display television sets |
| CN205134597U (en) * | 2015-10-23 | 2016-04-06 | 西南交通大学 | Gallows timber tenon fourth of twelve earthly branches node friction damper is built to gu |
| CN205690026U (en) * | 2016-06-03 | 2016-11-16 | 昆山泓杰电子股份有限公司 | Height of display governor motion |
-
2016
- 2016-06-03 CN CN201610388740.6A patent/CN105805507B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2207657Y (en) * | 1993-10-30 | 1995-09-13 | 冶金工业部自动化研究院 | Protective brake when cut off of electricity |
| CN201105662Y (en) * | 2007-11-26 | 2008-08-27 | 周建科 | Spring compensating device |
| CN101510110A (en) * | 2009-03-16 | 2009-08-19 | 江阴快力特机械有限公司 | Computer support |
| CN201827270U (en) * | 2010-07-23 | 2011-05-11 | 中外合资沃得重工（中国）有限公司 | Totally closed multiple-disk oil-cooled brake |
| CN202469420U (en) * | 2012-02-20 | 2012-10-03 | 罗成一 | Load-bearing-adjustable display rack |
| CN104337526A (en) * | 2013-07-29 | 2015-02-11 | 南京普爱射线影像设备有限公司 | Cone pulley and spring balance device of medical X ray machine |
| CN203852364U (en) * | 2014-02-28 | 2014-10-01 | Ge医疗系统环球技术有限公司 | Lifting device and X-ray photographic equipment comprising lifting device |
| CN205134597U (en) * | 2015-10-23 | 2016-04-06 | 西南交通大学 | Gallows timber tenon fourth of twelve earthly branches node friction damper is built to gu |
| CN105299415A (en) * | 2015-11-13 | 2016-02-03 | 中山市宜高机电科技有限公司 | Multi-joint suspension support for liquid crystal display television sets |
| CN205690026U (en) * | 2016-06-03 | 2016-11-16 | 昆山泓杰电子股份有限公司 | Height of display governor motion |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106989260A (en) * | 2017-04-10 | 2017-07-28 | 宁波西尼液晶支架制造有限公司 | A kind of Multifunctional wall furnace cradle |
| CN109373125A (en) * | 2018-11-16 | 2019-02-22 | 潍坊歌尔电子有限公司 | The helmet system of helmet console and the application bracket |
| CN112610833A (en) * | 2020-12-31 | 2021-04-06 | 上海宏英智能科技股份有限公司 | Display support capable of realizing multi-motion adjustment |
| CN114209438A (en) * | 2021-12-22 | 2022-03-22 | 瑞鼎工业技术(昆山)有限公司 | 5G signal ward round car |
| CN114209438B (en) * | 2021-12-22 | 2024-04-12 | 瑞鼎工业技术(昆山)有限公司 | 5G signal car of making rounds of wards |
| WO2023160024A1 (en) * | 2022-02-25 | 2023-08-31 | 尤小东 | Support frame, display device and lift table |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105805507B (en) | 2020-03-20 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105805507A (en) | Height adjustment mechanism of displayer | |
| CN205690026U (en) | Height of display governor motion | |
| CN106969745A (en) | A kind of spirit level and tripod thereon | |
| CN101507871B (en) | Constant-force chest developer | |
| CN107594882A (en) | The lowering or hoisting gear of double-legged same table and the same table containing the lowering or hoisting gear | |
| TWM467080U (en) | Monitor stand lifting mechanism | |
| CN202946629U (en) | Chain wheel tensioning device | |
| CN203095479U (en) | Electric clothes hanger rope winding mechanism | |
| CN202647129U (en) | Display lifting structure adopting gas spring | |
| CN101230774A (en) | Lifting/lowering device of self-neutralization door and window | |
| CN106340241B (en) | Transmission line warning sign linkage | |
| CN202132672U (en) | Flat television hanger | |
| CN210319134U (en) | Display support of desktop computer | |
| CN109630820A (en) | A kind of double screen clip display bracket | |
| CN208904524U (en) | A kind of electric power overhaul bracket | |
| CN208922705U (en) | A kind of advertising campaign propagating poster displaying device for the marketing | |
| CN208769054U (en) | The lifting device of double-legged same table and same table containing the lifting device | |
| CN204420508U (en) | Constant force lowering or hoisting gear | |
| CN109589611A (en) | A kind of swing of hand-operated lifting | |
| CN107477260A (en) | A kind of symmetrical expression spring constant force suspension and support | |
| CN210950593U (en) | Computer display support with regulatory function | |
| CN210860364U (en) | Monitoring support convenient to adjust length | |
| CN203770971U (en) | Flat-panel display support | |
| CN202570784U (en) | Upper guiding wheel device | |
| CN204239990U (en) | A kind of for regulating the mechanism of air spring in support arm |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |