CN208187414U - A kind of skyscraper verticality measurement device - Google Patents
A kind of skyscraper verticality measurement device Download PDFInfo
- Publication number
- CN208187414U CN208187414U CN201820851317.XU CN201820851317U CN208187414U CN 208187414 U CN208187414 U CN 208187414U CN 201820851317 U CN201820851317 U CN 201820851317U CN 208187414 U CN208187414 U CN 208187414U
- Authority
- CN
- China
- Prior art keywords
- pedestal
- plummet
- skyscraper
- traction rope
- measurement device
- 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
Landscapes
- A Measuring Device Byusing Mechanical Method (AREA)
Abstract
The utility model relates to construction account apparatus fields, specifically disclose a kind of skyscraper verticality measurement device, lead wire lever including being set to roof, traction rope, and the plummet being connected with traction rope end, it simultaneously include being set to bottom of the building to swing for limiting plummet to guarantee the vertical limit assembly of traction rope, the limit assembly includes the pedestal for being set to bottom of the building, it is provided on pedestal for limiting the limiting slot of plummet swing, and it is set on pedestal for adjusting the level of pedestal Yu lead wire lever level, be provided on the pedestal for push plummet vertically down with guarantee traction rope tense press section, its key points of the technical solution are that, with the accuracy for improving measurement data.
Description
Technical field
The utility model relates to construction account apparatus field, in particular to a kind of skyscraper verticality measurement device.
Background technique
After skyscraper completion, need to detect the verticality of building, on the one hand whether detection building is according to regulation ruler
Very little completion construction；Still further aspect, more demanding to ground bearing capacity since skyscraper weight is larger, there is grounds
A possibility that side is sunk leads to building and ground out of plumb, by tilting accumulation for a long time, extremely influences the safety of building
Property.
In existing detection method, since floor is higher, general measuring instrument is not available, now still using plummet
Mode, but since floor is higher, cause the length of traction rope to extend longer, plummet can swing or rotate, and cause each floor
The inaccuracy of measurement data, existing settling mode are that a default staff tenses plummet downstairs, this staff's meeting
Plummet is decontroled after tensing a period of time, tenses plummet again when plummet is static again, this guarantees that traction rope is in vertical
State down.
But the experience of people is leaned on entirely in existing settling mode to tense plummet to guarantee that traction rope keeps vertical, extremely hold
Easily because the shake of the personnel of tension or experience are insufficient, traction rope is caused to tilt.
Utility model content
In view of the deficienciess of the prior art, the purpose of this utility model is to provide a kind of skyscraper squareness measurements
Device has the accuracy for improving measurement data.
The above-mentioned technical purpose of the utility model has the technical scheme that
A kind of skyscraper verticality measurement device, lead wire lever, traction rope and and traction rope including being set to roof
The connected plummet in end, while swinging including being set to bottom of the building for limiting plummet to guarantee the vertical limit assembly of traction rope,
The limit assembly includes the pedestal for being set to bottom of the building, is provided on pedestal for limiting limiting slot, the Yi Jishe of plummet swing
It is placed on pedestal for adjusting the level of pedestal Yu lead wire lever level, is provided on the pedestal for pushing plummet past vertically
Under with guarantee traction rope tense press section.
So set, since floor is higher, traction rope and plummet are whole in the case where smaller wind is blown, all can slight oscillatory or
Rotation leads to the data inaccuracy in measurement process, and the change of this utility model is as follows, by releasing traction rope, in plummet
Under self gravity, hauls traction rope and fall down, it is when plummet, which keeps stablizing, not to be swung, i.e., opposite to guarantee that traction rope is now in
Vertical state, so that plummet is located at the swing for limiting plummet in limiting slot with this.
And under the cooperation of level, can guarantee limiting slot with it is in a vertical state, plummet will not be guided to tilt, and
The setting of press section, so that plummet is limited in limiting slot, but in the biggish situation of wind, traction rope interlude can be blown
At bending, and plummet can rise certain altitude, and the measurement data inaccuracy of interlude is caused to guarantee under the setting of press section
Plummet does not rise, and in the case where traction rope length is certain, that is, prevents the bending of traction rope, thereby ensures that traction
That restricts is vertical, has the accuracy for improving measurement data with this.
Further preferably are as follows: be arranged in parallel with vertical infrared ray transmitting down in traction rope side in the lead wire lever
Device.
So set, emitting infrared ray down by the way that RF transmitter is arranged, the staff positioned at bottom of the building can lead to
It crosses infrared ray and carries out the relative position that the limiting slot on judgement pedestal is located at immediately below traction rope, reduce limiting slot and plummet is drawn
It leads, plummet and traction rope is guaranteed generally in vertical state with this, so that traction rope after being straightened, is vertical, rather than
It is inclined, so as to improve the accuracy of measurement data.
And in measurement process, can measure simultaneously traction rope to metope distance and infrared ray to metope distance,
Data as a comparison further increase the accuracy of measurement data with this.
Further preferably are as follows: the press section includes the sliding panel being slidably mounted in pedestal, rotated and pacified by rotating bar
The abutting plate for being used to abut with plummet on sliding panel and the spiral shell for being rotatably installed on pedestal and being threadedly coupled with sliding panel
Rasp bar.
So set, when needing to push against plummet in limiting slot, rotation pushes against the surface that plate is located at plummet, by turning
Dynamic threaded rod since threaded rod and sliding panel are threadedly coupled, and circumferentially limits in pedestal, i.e., in threaded rod rotation situation
Under, sliding panel can only slide up and down.
Thus after rotating forward threaded rod, so that sliding panel slides down, the final plate that pushes against abuts with plummet and pushes plummet
Slide down, when stop operating threaded rod when, i.e., traction rope is in straight condition, plummet can not glide, and realizes draught line at this time
The technical purpose being straightened, and sliding panel and threaded rod are threadedly coupled, and can be prevented sliding panel from up sliding, be guaranteed to lead with this
Messenger is constantly in state vertical and being straightened, and then improves the accuracy of each floor measurement data.
Further preferably are as follows: the threaded rod is symmetricly set on sliding panel in plummet two sides, on the opposite thread bar
It is provided with the STATEMENT OF FEDERALLY SPONSORED for mutually linking.
So set, be symmetricly set on the two sides of plummet by threaded rod, can be avoided sliding panel in plummet squeezing up
Under pressure, sliding panel is equipped with not moving for threaded rod, and the side for being fitted without threaded rod upwarps, and causes the inclination of sliding panel,
It may cause the inclination of plummet and the relaxation of traction rope, thus the arranged symmetrically of threaded rod avoids the occurrence of such, with
This guarantees the stretching, extension of traction rope, the state being straightened, and then guarantees the accuracy of measurement data, reduces error.
Further preferably are as follows: the STATEMENT OF FEDERALLY SPONSORED includes the first bevel gear being set on threaded rod, is meshed with bevel gear
Second bevel gear and be rotatably arranged in pedestal for connecting the interlocking bar of two second bevel gears.
So set, cannot rotate synchronously since two threaded rods can not rotate synchronously and will lead to sliding panel two sides
Height is different, and then leads to the inclination of plummet, and the synchronous rotation of two threaded rods is realized by setting STATEMENT OF FEDERALLY SPONSORED, when rotating it
In a threaded rod when, drive first bevel gear thereon to rotate, successively drive one of second bevel gear, interlocking bar, another
Outer second bevel gear rotation drives the first bevel gear rotation on an other threaded rod, finally drives an other spiral shell
Rasp bar rotation realizes that two symmetrical threaded rods rotate synchronously with this, guarantees the synchronization of sliding panel height on both sides, reduce cunning with this
Influence of the sliding action of movable plate to measurement data.
Further preferably are as follows: the vertical infrared receiver for being up used for receiving infrared-ray is provided on the pedestal, and
And the controller being electrically connected with infrared receiver is provided in pedestal, it is provided on the pedestal and is controlled by controller with basis
The attention gatter that infrared receiver receives signal to open.
Cooperate so set, being formed by infrared receiver and RF transmitter, can be improved and be aligned in infrared ray
The precision of link reduces the error that artificial observation is adjusted, and under the control of the controller, as long as receiving infrared receiver
Reception signal, remind etc. may turn on, with this remind staff rotate threaded rod, the inclined possibility of traction rope is reduced with this
Property, improve the accuracy of measurement data.
Further preferably are as follows: be provided on the pedestal and the driving motor that wherein a threaded rod is connected, the abutting
It is provided on plate and pushes against the pressure sensor that power changes, the driving motor and pressure sensor for detecting plummet and pushing against plate
It is electrically connected with the controller.
So set, when external wind is larger, to traction rope to blow effect more apparent, will traction rope be had
Curved trend, traction rope just will pull plummet, so that plummet has a trend up, final plummet is to the pressure for pushing against plate
Power will increase, and under wind effect, easily traction rope is bent, and be monitored by the way that pressure sensor is arranged, work as detection
Pressure value be greater than certain value when, controller will control driving motor starting, drive threaded rod rotation, drive push against plate push
Plummet slides down, so that traction rope is constantly in straight condition, so as to improve the accuracy of measurement data.
Further preferably are as follows: the pedestal is provided with the electromagnet being electrically connected with the controller in limiting slot surrounding.
So set, after plummet is pushed against limiting slot, push against plate to plummet applies be one vertically down
Extruding force be easy to cause the swing of plummet in the biggish situation of wind-force, eventually leads to the swing of traction rope, passes through setting electricity
Magnet applies the attraction of a circumferential direction to plummet, and the position-limiting action of circumferential limit and certain vertical direction is realized with this, is made
Plummet can be stable be located at limiting slot in.
In conclusion the utility model having the beneficial effect that under the setting of level in contrast to the prior art, so that bottom
The limiting slot of seat is in a vertical state, and with RF transmitter and infrared receiver is closed, so that determining limit slot position
It is more accurate immediately below traction rope.
After the completion of above-mentioned preparation, by starting driving motor, a wherein threaded rod rotation is driven, is being linked
Under the transmission of part, so that two threaded rods rotate synchronously, so that sliding panel slides down with plate is pushed against, pushes against plummet and limiting
In slot, traction rope is finally made to be in the state pushed against.
And push against plate on pressure sensor cooperation under, can under large wind, still guarantee traction rope it is vertical,
Straight condition, so as to improve the accuracy of measurement data.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of embodiment；
Fig. 2 is the enlarged drawing of limit assembly in implementation example figure 1.
Appended drawing reference: 1, lead wire lever；2, traction rope；3, plummet；4, limit assembly；41, pedestal；42, limiting slot；43, water
Quasi- instrument；5, press section；51, sliding groove；52, sliding panel；53, rotating bar；54, plate is pushed against；55, threaded rod；6, infrared ray emits
Device；7, STATEMENT OF FEDERALLY SPONSORED；71, first bevel gear；72, second bevel gear；73, interlocking bar；8, infrared receiver；9, attention gatter；10,
Driving motor；11, electromagnet；12, high building；13, ground；14, mounting groove.
Specific embodiment
The utility model is described in further detail below in conjunction with attached drawing.
A kind of skyscraper verticality measurement device, referring to Fig.1 shown in, including be set to 12 roof of high building lead wire lever 1,
The traction rope 2 being threaded through in lead wire lever 1 and the plummet 3 being connected with 2 end of traction rope.
Wherein, it referring to shown in Fig. 2, while swinging including being set to bottom of the building for limiting plummet 3 to guarantee that traction rope 2 is vertical
Limit assembly 4, limit assembly 4 includes the pedestal 41 being set on bottom of the building ground 13, is provided on pedestal 41 for limiting lead
The limiting slot 42 and be set on pedestal 41 for adjusting the level 43 of 1 level of pedestal 41 and lead wire lever, limit that hammer 3 is swung
Position slot 42 is set as maximum gauge that is cylindrical, and being slightly larger than plummet 3.
It is worth noting that being provided on pedestal 41 for pushing plummet 3 vertical down to guarantee that traction rope 2 tenses crowded
Splenium 5, press section 5 include the sliding groove 51 being provided in pedestal 41, are provided with 51 top of sliding groove and communicate with sliding groove 51
Abutting sliding slot, and abut sliding slot and up run through pedestal 41, in being slidably fitted with sliding panel 52 in sliding groove 51 on pedestal 41,
The top of sliding panel 52 is provided with rotating bar 53 in abutting in sliding slot, and 42 two sides of limiting slot are provided with rotating bar 53, turn
The top of lever 53 is rotatably equipped with the abutting plate 54 for abutting with plummet 3.
Wherein, pedestal 41 is in being rotatably equipped with threaded rod 55 in sliding groove 51, and in this embodiment, sliding bar is provided with two
Root, and be symmetrical arranged as rotating bar 53, every threaded rod 55 passes through sliding panel 52 and is threadedly coupled therewith, two screw threads
It is provided on bar 55 for the STATEMENT OF FEDERALLY SPONSORED 7 rotated synchronously that links, STATEMENT OF FEDERALLY SPONSORED 7 includes concentric first be set on threaded rod 55
Bevel gear 71, first bevel gear 71 are located at the lower part of threaded rod 55, are engaged with second bevel gear in two first bevel gears 71
72, two second bevel gears 72 are symmetrical arranged, and concentric are connected with interlocking bar 73 jointly.
It is noted that the bottom end of lead wire lever 1 is provided with the RF transmitter 6 that irradiates down vertically, on pedestal 41
It is provided with the infrared receiver 8 for being up used for receiving infrared-ray, infrared receiver 8 is located at the top of pedestal 41, and bottom
It is provided with the controller (not shown) being electrically connected with infrared receiver 8 in seat 41, is provided on pedestal 41 and is controlled by control
Attention gatter 9 of the device processed to be opened according to the reception signal of infrared receiver 8.
41 top of pedestal offers mounting groove 14 right above a wherein threaded rod 55, immediately below mounting groove 14
Threaded rod 55 is vertical up to be extended and communicates with mounting groove 14, and the driving motor being connected with threaded rod 55 is equipped in mounting groove 14
10, driving motor 10 is set as positive and negative motor, and pushes against to be provided on plate 54 and push against power for detecting plummet 3 and pushing against plate 54
The pressure sensor (not shown) of variation, pressure sensor are located at the bottom end for pushing against plate 54, and driving motor 10 and pressure pass
Sensor is electrically connected with the controller.
Pedestal 41 is provided with the electromagnet 11 being electrically connected with the controller, electromagnet 11 and controller electricity in 42 surrounding of limiting slot
Connection.
The course of work:
By in 12 roof anchor leg bar 1 of high building, and traction rope 2 is released from lead wire lever 1, at this time traction rope 2
Under the gravity of plummet 3, fall down, by open RF transmitter 6, by mobile base 41 make infrared ray with it is infrared
Line receiver 8 is opposite.
When the two is opposite, controller receives the reception signal of infrared receiver 8, and controller can control attention gatter 9 and beat
It opens, reminds staff to be aligned, be located at plummet 3 in limiting slot 42, and rotate and push against the rotation of plate 54 and be located at
The surface of plummet 3 controls driving motor 10 by controller and starts, and wherein a threaded rod 55 rotates for driving, in STATEMENT OF FEDERALLY SPONSORED 7
Linkage effect under, in addition a threaded rod 55 can rotate synchronously, at this time sliding panel 52 circumferentially limit under, can slide down,
At this point, pushing against plate 54 can push against with plummet 3 and plummet 3 is pushed to slide down, so that traction rope 2 is straightened, driving motor is being closed
When 10, controller can be powered to electromagnet 11, and plummet 3 is adsorbed in limiting slot 42.
When the detected value that pressure sensor detects is greater than scheduled threshold value a in controller, controller can control electromagnetism
Iron 11 powers off, and control driving motor 10 starts, and threaded rod 55 is driven to rotate, and finally makes sliding panel 52 glide, finally pushes against plate
54 promotion plummets 3 slide down, so that the drawing of traction rope 2 is more straight.During starting driving motor 10, work as pressure sensor
(threshold value b is greater than threshold value a), and control driving motor 10 is closed, electromagnet 11 is powered when the detected value detected is greater than threshold value b.
The above is only the exemplary embodiment of the utility model, the protection model rather than limited the present invention
It encloses, the protection scope of the utility model is determined by the attached claims.
Claims (8)
1. a kind of skyscraper verticality measurement device, including be set to the lead wire lever (1) of roof, traction rope (2) and with lead
The connected plummet (3) in messenger (2) end, it is characterized in that: simultaneously including being set to bottom of the building to swing for limiting plummet (3) to guarantee
The vertical limit assembly (4) of traction rope (2), the limit assembly (4) include the pedestal (41) for being set to bottom of the building, are provided with pedestal
(41) on for limit plummet (3) swing limiting slot (42) and be set on pedestal (41) for adjust pedestal (41) with
The level (43) of lead wire lever (1) level is provided on the pedestal (41) for pushing plummet (3) vertical down to guarantee to lead
The press section (5) that messenger (2) tenses.
2. a kind of skyscraper verticality measurement device according to claim 1, it is characterized in that: in the lead wire lever (1)
Vertical RF transmitter (6) down is arranged in parallel in traction rope (2) side.
3. a kind of skyscraper verticality measurement device according to claim 1 or 2, it is characterized in that: the press section (5)
Including be slidably mounted in pedestal (41) sliding panel (52), by rotating bar (53) be rotatably installed on sliding panel (52) and be used for
The abutting plate (54) abutted with plummet (3) and the spiral shell for being rotatably installed on pedestal (41) and being threadedly coupled with sliding panel (52)
Rasp bar (55).
4. a kind of skyscraper verticality measurement device according to claim 3, it is characterized in that: the threaded rod (55) in
Plummet (3) two sides are symmetricly set on sliding panel (52), and the connection for mutually linking is provided on the opposite thread bar (55)
Moving part (7).
5. a kind of skyscraper verticality measurement device according to claim 4, it is characterized in that: the STATEMENT OF FEDERALLY SPONSORED (7) is wrapped
The second bevel gear (72) and rotation for including the first bevel gear (71) being set on threaded rod (55), being meshed with bevel gear
It is arranged in pedestal (41) for connecting the interlocking bar (73) of two second bevel gears (72).
6. a kind of skyscraper verticality measurement device according to claim 4, it is characterized in that: being set on the pedestal (41)
It is equipped with the vertical infrared receiver (8) for being up used for receiving infrared-ray, and is provided in pedestal (41) and infrared receiver
The controller of device (8) electrical connection is provided on the pedestal (41) and is controlled by controller to receive according to infrared receiver (8)
Signal is come the attention gatter (9) opened.
7. a kind of skyscraper verticality measurement device according to claim 6, it is characterized in that: being set on the pedestal (41)
Be equipped with the driving motor (10) that wherein a threaded rod (55) is connected, be provided with for detecting plummet on the abutting plate (54)
(3) with the pressure sensor that pushes against plate (54) and push against power variation, the driving motor (10) and pressure sensor are and controller
Electrical connection.
8. a kind of skyscraper verticality measurement device according to claim 7, it is characterized in that: the pedestal (41) is in limit
Position slot (42) surrounding is provided with the electromagnet (11) being electrically connected with the controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820851317.XU CN208187414U (en) | 2018-06-02 | 2018-06-02 | A kind of skyscraper verticality measurement device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820851317.XU CN208187414U (en) | 2018-06-02 | 2018-06-02 | A kind of skyscraper verticality measurement device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208187414U true CN208187414U (en) | 2018-12-04 |
Family
ID=64428142
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820851317.XU Active CN208187414U (en) | 2018-06-02 | 2018-06-02 | A kind of skyscraper verticality measurement device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208187414U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110307831A (en) * | 2019-07-03 | 2019-10-08 | 中南建设集团有限公司 | A kind of spandrel column installs pre- inclined instrument and its application method |
| CN111707226A (en) * | 2020-05-21 | 2020-09-25 | 江苏省建筑工程集团有限公司 | High-rise and super-high-rise verticality measurement control instrument |
| CN111780733A (en) * | 2020-07-15 | 2020-10-16 | 中国二十二冶集团有限公司 | Method for measuring levelness and verticality of crane beam |
| CN112304298A (en) * | 2020-11-11 | 2021-02-02 | 宁波市北仑大矸建筑工程有限公司 | Prefabricated wall body straightness detection device that hangs down |
| CN112942959A (en) * | 2021-04-26 | 2021-06-11 | 上海同济市政公路工程咨询有限公司合肥分公司 | Mounting method capable of improving perpendicularity of lamp post for municipal road |
| CN113916096A (en) * | 2021-10-31 | 2022-01-11 | 舟山市质量技术监督检测研究院 | Sectional adjusting type oil tank height measuring device |
-
2018
- 2018-06-02 CN CN201820851317.XU patent/CN208187414U/en active Active
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110307831A (en) * | 2019-07-03 | 2019-10-08 | 中南建设集团有限公司 | A kind of spandrel column installs pre- inclined instrument and its application method |
| CN111707226A (en) * | 2020-05-21 | 2020-09-25 | 江苏省建筑工程集团有限公司 | High-rise and super-high-rise verticality measurement control instrument |
| CN111780733A (en) * | 2020-07-15 | 2020-10-16 | 中国二十二冶集团有限公司 | Method for measuring levelness and verticality of crane beam |
| CN111780733B (en) * | 2020-07-15 | 2022-01-07 | 中国二十二冶集团有限公司 | Method for measuring levelness and verticality of crane beam |
| CN112304298A (en) * | 2020-11-11 | 2021-02-02 | 宁波市北仑大矸建筑工程有限公司 | Prefabricated wall body straightness detection device that hangs down |
| CN112942959A (en) * | 2021-04-26 | 2021-06-11 | 上海同济市政公路工程咨询有限公司合肥分公司 | Mounting method capable of improving perpendicularity of lamp post for municipal road |
| CN113916096A (en) * | 2021-10-31 | 2022-01-11 | 舟山市质量技术监督检测研究院 | Sectional adjusting type oil tank height measuring device |
| CN113916096B (en) * | 2021-10-31 | 2024-04-19 | 舟山市质量技术监督检测研究院 | Sectional adjustment type oil tank height measuring device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN208187414U (en) | A kind of skyscraper verticality measurement device | |
| CN209541733U (en) | A kind of building monitoring building inclination alarming device | |
| CN106056797B (en) | A kind of ATM and adjusting method automatically adjusting levelness | |
| CN210922516U (en) | Intelligent infrared distance meter for engineering surveying and mapping | |
| CN206469868U (en) | A kind of cage guide top surface distance meter | |
| CN219934884U (en) | Elevator door guide shoe engagement depth measuring device | |
| CN205384016U (en) | Novel inclinometer probe | |
| CN211012860U (en) | House building manages with stake hole aperture detection device | |
| CN115451789A (en) | Gradient measuring device for constructional engineering | |
| CN110455261A (en) | A kind of wall inclination measuring device | |
| CN108759739B (en) | Checking device and checking method thereof | |
| CN113551644A (en) | Shield constructs earth's surface settlement automatic monitoring device | |
| CN110132485B (en) | Calibration device for tension measuring instrument | |
| CN220524958U (en) | Laser level meter convenient to adjust | |
| CN217687450U (en) | Electronic scale with level detection function | |
| CN112343100A (en) | Detection apparatus for highway side slope stability | |
| CN208704656U (en) | A kind of measurement measurer of simple detection rail height | |
| CN219607983U (en) | Portable foundation pit automatic inclinometry equipment | |
| CN219391608U (en) | Portable integrated wallboard strength measuring instrument based on distance sensor | |
| CN106403887B (en) | A kind of long-neck automatic telescopic measuring rod | |
| CN220396981U (en) | Water level monitoring device | |
| CN103588116A (en) | Crane calibration device, method and system as well as engineering machinery | |
| CN219956520U (en) | Engineering cost construction levelness check out test set | |
| CN221002002U (en) | Floor thickness control device | |
| CN210775837U (en) | Highway bridge crack detector |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |