CN209702571U - A kind of glass for lenses cutting machine - Google Patents
A kind of glass for lenses cutting machine Download PDFInfo
- Publication number
- CN209702571U CN209702571U CN201920568896.1U CN201920568896U CN209702571U CN 209702571 U CN209702571 U CN 209702571U CN 201920568896 U CN201920568896 U CN 201920568896U CN 209702571 U CN209702571 U CN 209702571U
- Authority
- CN
- China
- Prior art keywords
- glass
- lenses
- lifter plate
- workbench
- dust hood
- 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
- Re-Forming, After-Treatment, Cutting And Transporting Of Glass Products (AREA)
Abstract
The utility model discloses a kind of glass for lenses cutting machines, including workbench, between the breaker bars that are fixed on the bench-top, the lifter plate being arranged in above the workbench, the first driving device for driving the lifter plate oscilaltion, the dust hood being arranged between the workbench and lifter plate, the second driving device for driving the dust hood to slide up and down, the third driving device for driving the dust hood level to slide, the dust exhaust apparatus being connect with the dust hood, two pressure heads which is set and two pressure heads of adjusting spacing adjustment mechanism;The spacing adjustment direction of two pressure heads is vertical with the length direction of breaker bars.Glass for lenses is put on the table, when scratch be substantially aligned with breaker bars, then first driving device driving lifter plate on two pressure heads move downward, under the collective effect of two pressure heads and breaker bars, realize effective segmentation of glass for lenses, and labor intensity is low.
Description
Technical field
The utility model belongs to technical field, and in particular to a kind of glass for lenses cutting machine.
Background technique
In production, the length of glass for lenses as required need to be split.In the prior art, complete using manual type
At specifically, surface, which is drawn, has the glass for lenses of scratch to be placed on cushion block, then hit with a hammer glass for lenses, glass for lenses
It is broken along scratch.Using artificial segmentation glass for lenses large labor intensity, and (thickness is greater than to thicker glass for lenses
8mm), cannot effectively be divided using manual method.
Utility model content
Cannot effectively the biggish glass for lenses of split thickness, the utility model aim it be to solve the prior art manually
A kind of glass for lenses cutting machine is provided, glass for lenses is put on the table, when scratch be substantially aligned with breaker bars, then first drive
Two pressure heads on dynamic device driving lifter plate move downward, and under the collective effect of two pressure heads and breaker bars, realize eyeglass
Effective segmentation of glass, and labor intensity is low.
The technology employed by the present utility model is
A kind of glass for lenses cutting machine including workbench, the breaker bars that are fixed on the bench-top, is arranged in the work
Lifter plate above platform, is arranged between the workbench and lifter plate the first driving device for driving the lifter plate oscilaltion
Dust hood, drive the dust hood to slide up and down the second driving device, drive the dust hood level slide third driving dress
The dust exhaust apparatus that set, is connect with the dust hood, two pressure heads which is set and between adjusting between two pressure heads
Away from adjustment mechanism;The spacing adjustment direction of two pressure heads is vertical with the length direction of breaker bars.
As the further optinal plan of the glass for lenses cutting machine, the pressure head includes pressing head seat and pressure head ontology,
Detachable connection structure is provided between the pressing head seat and pressure head ontology.
As the further optinal plan of the glass for lenses cutting machine, the pressure head ontology includes connecting rod and is fixed on
The Detachable connection structure is arranged between the top and pressing head seat of the connecting rod in the rubber head of the connecting rod bottom.
As the further optinal plan of the glass for lenses cutting machine, the Detachable connection structure include location hole,
Locating shaft and screw;The location hole is adapted to locating shaft, and the hole wall of the location hole offers perforative threaded hole, the threaded hole with
Screw thread cooperation.
As the further optinal plan of the glass for lenses cutting machine, the adjustment mechanism includes that rotating support is being gone up and down
Two synchronous pulleys in board bottom portion, the synchronous belt being wound around outside two synchronous pulleys and the motor being fixed on lifter plate;Extremely
A few synchronous pulley is connect with motor drive;Two pressing head seats are fixedly connected with the synchronous belt of synchronous pulley two sides respectively, and two
Gliding movement targeting structure is provided between a pressing head seat and lifter plate.
As the further optinal plan of the glass for lenses cutting machine, resistance is provided between the workbench and operator
Keep off the transparent baffle of chips of glass.
The utility model has the following beneficial effects:
Glass for lenses is put on the table, when scratch be substantially aligned with breaker bars, then first driving device driving lifting
Two pressure heads on plate move downward, and under the collective effect of two pressure heads and breaker bars, realize effective segmentation of glass for lenses,
And labor intensity is low.
Other beneficial effects of the utility model will be described in detail in a specific embodiment.
Detailed description of the invention
It, below will be to needed in embodiment description in order to illustrate more clearly of the technical solution of the utility model
Attached drawing is briefly described, it should be appreciated that the accompanying drawings in the following description is some embodiments of the utility model, for this
For the those of ordinary skill of field, without creative efforts, it can also be obtained according to these attached drawings others
Attached drawing.
Fig. 1 is the structural schematic diagram (omitting baffle) of the glass for lenses cutting machine of the utility model;
Fig. 2 is the side view (omitting pneumohydraulic pressure-cylinder) of glass for lenses cutting machine shown in FIG. 1;
Fig. 3 is A-A cross-sectional view in figure;
Fig. 4 is the attachment structure schematic diagram of a pressing head seat and synchronous belt in two pressing head seats;
Fig. 5 is the attachment structure schematic diagram of another pressing head seat and synchronous belt in two pressing head seats.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment is obtained, the protection scope of the utility model is belonged to.It is understood that attached drawing is provided solely for referring to
With illustrate to use, not be used to the utility model is limited.The connection relationship shown in attached drawing is intended merely to facilitate clearly
Description, does not limit connection type.
It should be noted that it can be directly to when a component is considered as " connection " another component
Another component, or may be simultaneously present component placed in the middle.Unless otherwise defined, all technology and science used herein
Term has the same meaning as commonly understood by one of ordinary skill in the art to which the utility model belongs.Herein in the utility model
Term used in the description be only for the purpose of describing specific embodiments that be not intended to limit this practical new
Type.
With reference to the accompanying drawing and specific embodiment is further elaborated the utility model.
In order to facilitate specific descriptions, to make following regulation: being based on attached drawing 1, workbench 22 is " preceding " by the side of proximal operator,
Side of the workbench 22 far from operator is " left side " on the left of operator from " preceding " to " rear " for " rear ", is located at operation
It is " right side " on the right side of person.
As illustrated in fig. 1 and 2, the glass for lenses cutting machine of the present embodiment, for the segmentation of glass for lenses, including workbench
22, the breaker bars 11 at 22 top of workbench are fixed on, the lifter plate 3 that 22 top of workbench is set, drive the lifter plate 3
The first driving device of oscilaltion, drives on the dust hood 6 dust hood 6 being arranged between the workbench 22 and lifter plate 3
Second driving device of lower slider, the third driving device for driving the horizontal sliding of the dust hood 6, the suction being connect with the dust hood 6
Dirt device, two pressure heads which is set and the adjustment mechanism for adjusting spacing between two pressure heads;Described in two
The spacing adjustment direction of pressure head is vertical with the length direction of breaker bars 11.
As shown in Figure 1, the left and right sides of workbench 22 is respectively and fixedly provided with vertical plate, the top of two vertical plates is connected with top plate 2;Two
The rear portion of a vertical plate is connected with backboard;First driving device is arranged on top plate 2, and first driving device can use cylinder, oil
The prior arts such as cylinder, electric cylinders are realized, in the present embodiment, first driving device is realized using pneumohydraulic pressure-cylinder 1, such as can be used
The pneumohydraulic pressure-cylinder of the CPT series of Kuang Xin business corporation sale is realized.As shown in Figure 1, the piston rod of pneumohydraulic pressure-cylinder 1 with
Lifter plate 3 is fixedly connected, and the cylinder body of pneumohydraulic pressure-cylinder 1 is fixedly connected with top plate 2.It is obvious also possible to opposite.Pneumohydraulic pressure-cylinder 1
Have the characteristics that soft landing is just gradually pressurizeed that is, after pressure head haptic lens glass, glass for lenses is broken it is disconnected, therefore will not be by mirror
Sheet glass is broken.
As shown in Figure 1, for the rigidity for preventing the piston rod of the rotation of lifter plate 3 and raising pneumohydraulic pressure-cylinder 1, the present embodiment
In, guide frame is provided between lifter plate 3 and top plate 2.Specifically, at least two bushings, each bushing are fixed on top plate 2
It is inside sliding combined with guiding axis 12, the bottom end of each guiding axis 12 is fixedly connected with lifter plate 3.
As shown in Figure 1, to avoid the glide direction of guiding axis 12 and the piston rod of pneumohydraulic pressure-cylinder 1 is not parallel from causing to be oriented to
The piston rod deformed damaged of axis 12 or pneumohydraulic pressure-cylinder 1, in the present embodiment, between the piston rod and lifter plate 3 of pneumohydraulic pressure-cylinder 1
It is connected by floating junction.Floating junction using the prior art realize, such as can using SMC company sale JAF series
Floating junction is realized.
As shown in figure 3, the pressure head in the present embodiment includes pressing head seat 5 and pressure head ontology, to avoid pressure head this bulk damage mirror
Sheet glass, and make pressure head ontology that there is enough intensity, as shown in figure 3, pressure head ontology includes 18 He of connecting rod in the present embodiment
It is fixed on the rubber head 19 of 18 bottom of connecting rod, Detachable connection structure is set between the top and pressing head seat 5 of the connecting rod 18.
Detachable connection structure is provided between pressing head seat 5 and connecting rod 18.By the way that Detachable connection structure is arranged, so that replaceable pressure head
When, pressure head ontology is only needed to change, it is easy to operate, and save replacing construction.
Detachable connection structure can be realized using existing screw, pin etc..In the present embodiment, as shown in figure 3, removable
Unloading connection structure includes location hole, locating shaft and screw 17;The location hole is adapted to locating shaft, and the hole wall of the location hole offers
Perforative threaded hole, the threaded hole are threadedly engaged with screw 17.One of both connecting rod 18 and pressing head seat 5 open up positioning
Hole, another one are fixedly connected with locating shaft.In the present embodiment, as shown in figure 3, offering location hole on the bottom face of pressing head seat 5, even
The top of extension bar 18 is integrally formed with locating shaft.When replaceable pressure head ontology, unscrew screw 17, locating shaft is detached from location hole
, fast and easy.To increase fixed force, a plane, the top of screw 17 to the plane can be cut on the periphery of locating shaft.
As shown in Figure 1, two pressure heads are disposed in parallel in the bottom of lifter plate 3.One biggish glass for lenses can be divided
For multiple lesser glass for lenses, therefore the width of glass for lenses, i.e. the distance between glass for lenses left and right ends can not
Together, adjustment mechanism is set thus, adjusts the spacing between two pressure heads, to adapt to the variation of glass for lenses width.
As a kind of embodiment of adjustment mechanism, one group of connecting hole can be opened up on pressure head, is opened up on lifter plate 3
Multiple groups connecting hole arranged side by side, and every group of connecting hole on lifter plate 3 is corresponding with the connecting hole on pressure head, thus by that will press
The spacing adjusted between two pressure heads can be realized in the connecting hole that head is connected to different groups on lifter plate 3.
As another embodiment of adjustment mechanism, one of pressure head can be fixed, another pressure head is fixed to
The output end of cylinder isoline actuator is slided by linear drives part drive ram, is realized between adjusting between two pressure heads
Away from.It is obvious also possible to which two pressure heads are connected respectively on the output end of two linear drives parts.
It is the several embodiments of adjustment mechanism above, the utility model does not limit this, as long as being able to achieve adjusting two
Spacing between a pressure head.
It should be noted that the spacing adjustment direction of two pressure heads should be vertical with the length direction of breaker bars 11, to protect
Demonstrate,prove the variation that the spacing adjustment between two pressure heads adapts to glass for lenses width.In the present embodiment, the length side of breaker bars 11
To for front-rear direction, two pressure heads horizontally slip, i.e., the spacing adjustment direction of two pressure heads is left and right directions.
As illustrated in fig. 1 and 2, as the preferred embodiment of adjustment mechanism, in the present embodiment, adjustment mechanism includes rotation branch
It holds two synchronous pulleys 4 in 3 bottom of lifter plate, the synchronous belt 10 that is wound around outside two synchronous pulleys 4 and is fixed on lifting
Motor 15 on plate 3;At least one synchronous pulley 4 and motor 15 are sequentially connected;Two pressing head seats 5 respectively with 4 liang of synchronous pulley
The synchronous belt 10 of side is fixedly connected, and is provided with gliding movement targeting structure between two pressing head seats 5 and lifter plate 3.
As shown in Figure 1, motor 15 is fixed on the right side of lifter plate 3, the output end of motor 15 and wherein one in the present embodiment
A synchronous pulley 4 is fixedly connected, another synchronous pulley 4 is by bearing block rotating support on lifter plate 3.It is understood that
It is that the axis of two synchronous pulleys 4 is located in same level, to guarantee the spacing adjustment direction and breaker bars 11 of two pressure heads
Length direction it is vertical.
As shown in Figures 4 and 5, pressing head seat 5 offers rectangular opening 5a, and the synchronous belt 10 of 4 upside of synchronous pulley is pressed from both sides by briquetting 20
Tightly between the wherein upper wall of a rectangular opening 5a, the synchronous belt 10 of 4 downside of synchronous pulley is clamped in another by another briquetting 20
The lower wall of a rectangular opening 5a.Briquetting 20 is fixedly connected with pressing head seat 5.Motor 15 drives synchronous pulley 4 to rotate, so that synchronous pulley
The synchronous belt 10 of 4 two sides slides in opposition, so that two pressure heads be made to slide in opposition, realizes the adjustment of spacing between two pressure heads.
Synchronous belt 10 is flexible element, pressure can not be transmitted, for this purpose, being provided with sliding between two pressing head seats 5 and lifter plate 3
Guide frame.Gliding movement targeting structure can be realized using said sleeve guiding axle construction.In the present embodiment, gliding movement targeting structure is adopted
It is realized with linear guide, such as can be using the LM rolling guide of THK company sale.
Since glass for lenses can generate chips of glass when divided, these chipss of glass stay in table surface and on the one hand can damage
Hurt the surface of glass for lenses, on the other hand may injure operator.For this purpose, passing through dust exhaust apparatus and dust suction in the present embodiment
6 are covered to avoid the problem.Specifically, dust hood 6 is hollow and bottom opening shell, and dust exhaust apparatus passes through pipeline 13 and dust suction
The hollow portion connection of cover 6.Glass for lenses, which is broken, has no progeny, and dust hood 6 covers on workbench 22, dust exhaust apparatus work, by workbench
Chips of glass on 22 siphons away.
Dust exhaust apparatus can be realized using existing industrial dust collector, such as can use the sale of STARMIX company
GS2078PZ double motor industrial dust collector is realized.
It drives dust hood 6 to enter by the second driving device and third driving device or exits workbench, to avoid dust suction
Cover 6 is interfered with pressure head;Secondly, allowing dust hood 6 and workbench 22 closed, increase adsorption effect;Also, it does not influence to operate
Person's operation.Existing manipulator can be used to realize the horizontal sliding of dust hood 6 and slide up and down, but higher cost.
It can be the second driving device and third driving device connect with dust hood 6;It is also possible to the second driving device
It is connect with third driving device, dust hood 6 is connect with third driving device;It can also be that third driving device is filled with the second driving
Connection is set, dust hood 6 is connect with the second driving device.
As illustrated in fig. 1 and 2, in the present embodiment, the second driving device is the cylinder 9 that 6 four vertex of dust hood are arranged in.
As illustrated in fig. 1 and 2, in the present embodiment, third driving device include section material frame, linear guide, rotary drive 14,
Gear 8 and rack gear 7;Four cylinders 9 are each attached to the bottom of section material frame, the top of section material frame and the fixed company of the track of linear guide
It connects, the sliding block of linear guide is fixed on the rear end of backboard by support;Rotary drive 14 is fixed on the support, rotary drive
14 output end is fixedly connected with gear 8;Rack gear 7 is fixed on the top of section material frame, and rack gear 7 is engaged with gear 8, rotary drive
14 driving gears 8 rotate, thus with the horizontal sliding of carry-over bar 7, section material frame, four cylinders 9 and dust hood 6, level sliding can be with
It is to horizontally slip to be also possible to slide back and forth, in the present embodiment, dust hood 6 is slid back and forth.It is understood that pipeline 13 is at least
One section is hose, to adapt to the sliding of dust hood 6.Rotary drive 14 can use air motor, hydraulic motor or motor
It realizes.
As shown in Fig. 2, being provided between workbench 22 and operator for the safety of operator and stopping the transparent of chips of glass
Baffle 16.Transparent baffle 16 is fixed on top plate 2, and transparent baffle 16 can be made of transparent acrylic.
As shown in Fig. 2, pressure head and dust hood 6 malfunction, workbench 22 to avoid the hand of operator when on workbench 22
Front side be fixed with safe grating 21.
The course of work:
Glass for lenses is put on workbench 22 by operator, and the scratch of glass for lenses is placed upward, and makes glass for lenses
Scratch is substantially aligned with breaker bars 11, and then pneumohydraulic pressure-cylinder 1 drives 3 slide downward of lifter plate, makes two of 3 bottom of lifter plate
Pressure head is pressed respectively against on glass for lenses, is divided glass for lenses, and then pneumohydraulic pressure-cylinder 1 drives 3 upward sliding of lifter plate multiple
Position, rotary drive 14 drive gear 8 to rotate, band carry-over bar 7,6 forward slip of section material frame, four cylinders 9 and dust hood, then
Four cylinders 9 drive 6 slide downward of dust hood, after the lower edge of dust hood 6 is adjacent to workbench 22, dust exhaust apparatus work, clearly
Reason falls the chips of glass on workbench 22.Then four cylinders 9 drive 6 upward sliding of dust hood to reset, and rotary drive 14 drives
Gear 8 rotates, and band carry-over bar 7, section material frame, four cylinders 9 and dust hood 6 slide backward reset, recycles into subsequent work.For
It prevents glass for lenses from damaging, rubber can be laid in the top surface of workbench 22, the evacuation of evacuation breaker bars 11 is offered on the rubber
Slot.
The utility model is not limited to above-mentioned optional embodiment, anyone can obtain under the enlightenment of the utility model
Other various forms of products, however, making any variation in its shape or structure, all the utility model rights that falls into are wanted
The technical solution in confining spectrum is sought, is all fallen within the protection scope of the utility model.
Claims (6)
1. a kind of glass for lenses cutting machine, it is characterised in that: including workbench (22), the folding being fixed at the top of the workbench (22)
Broken strip (11), drives the first of lifter plate (3) oscilaltion to drive at the lifter plate (3) being arranged above the workbench (22)
Device, dust hood (6) between the workbench (22) and lifter plate (3) is set, drives that the dust hood (6) slides up and down the
Two driving devices, the third driving device for driving the horizontal sliding of the dust hood (6), the dust exhaust apparatus being connect with the dust hood (6),
The adjustment mechanism of the spacing between two pressure heads of two pressure heads and adjusting of the lifter plate (3) bottom is set;
The spacing adjustment direction of two pressure heads is vertical with the length direction of breaker bars (11).
2. glass for lenses cutting machine according to claim 1, it is characterised in that: the pressure head includes pressing head seat (5) and pressure
Head ontology, is provided with Detachable connection structure between the pressing head seat (5) and pressure head ontology.
3. glass for lenses cutting machine according to claim 2, it is characterised in that: the pressure head ontology includes connecting rod (18)
With the rubber head (19) for being fixed on connecting rod (18) bottom, between the top and pressing head seat (5) of the connecting rod (18) setting described in
Detachable connection structure.
4. glass for lenses cutting machine according to claim 2 or 3, it is characterised in that: the Detachable connection structure includes
Location hole, locating shaft and screw (17);The location hole is adapted to locating shaft, and the hole wall of the location hole offers perforative screw thread
Hole, the threaded hole are threadedly engaged with screw (17).
5. glass for lenses cutting machine according to claim 2, it is characterised in that: the adjustment mechanism includes that rotating support exists
Two synchronous pulleys (4) of lifter plate (3) bottom are wound around the outer synchronous belt (10) of two synchronous pulleys (4) and are fixed on
Motor (15) on lifter plate (3);At least one synchronous pulley (4) and motor (15) are sequentially connected;Two pressing head seats (5) are respectively
It is fixedly connected with the synchronous belt (10) of synchronous pulley (4) two sides, is provided with sliding between two pressing head seats (5) and lifter plate (3)
Guide frame.
6. glass for lenses cutting machine according to claim 1, it is characterised in that: between the workbench (22) and operator
It is provided with the transparent baffle (16) for stopping chips of glass.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201920568896.1U CN209702571U (en) | 2019-04-24 | 2019-04-24 | A kind of glass for lenses cutting machine |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201920568896.1U CN209702571U (en) | 2019-04-24 | 2019-04-24 | A kind of glass for lenses cutting machine |
Publications (1)
Publication Number | Publication Date |
---|---|
CN209702571U true CN209702571U (en) | 2019-11-29 |
Family
ID=68649024
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201920568896.1U Active CN209702571U (en) | 2019-04-24 | 2019-04-24 | A kind of glass for lenses cutting machine |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN209702571U (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114851288A (en) * | 2022-04-25 | 2022-08-05 | 广东烨嘉光电科技股份有限公司 | Resin lens cutting equipment |
-
2019
- 2019-04-24 CN CN201920568896.1U patent/CN209702571U/en active Active
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114851288A (en) * | 2022-04-25 | 2022-08-05 | 广东烨嘉光电科技股份有限公司 | Resin lens cutting equipment |
CN114851288B (en) * | 2022-04-25 | 2023-06-23 | 广东烨嘉光电科技股份有限公司 | Resin lens cutting equipment |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN102173194B (en) | High-speed automatic hot foil printing machine for thermal-shrinkage film | |
CN202072006U (en) | Automatic film-laminating cutting machine for plastic section bars | |
CN109910089B (en) | Bread processing cutting device | |
CN209702571U (en) | A kind of glass for lenses cutting machine | |
CN103331666A (en) | Deburring machine | |
CN211841390U (en) | Hammer equipment of polishing | |
CN205765384U (en) | A kind of full-automatic double-ended four station glass angle lap buffing machines | |
CN205363007U (en) | Automatic laser marking machine | |
CN104355059A (en) | Three-piece conveying mechanism with reverse screw rod component | |
CN209758665U (en) | Top laminating machine | |
CN107253225A (en) | A kind of movable belt chain pressure rack | |
KR20110011171U (en) | Wrapping machine | |
CN208866610U (en) | A kind of laser cutting machine workbench | |
CN210140287U (en) | Paper feeding mechanism of automatic collating machine | |
CN203853875U (en) | Automatic grinding machine | |
CN209700256U (en) | A kind of cold mounting equipment of photo | |
CN202825472U (en) | Edge grinding machine for processing wide glass | |
CN209668019U (en) | A kind of die casting aluminum component air cooling equipment conveying device | |
CN202162504U (en) | Easily-cleaned dustproof laser cutting engraving machine | |
CN203486231U (en) | Floating-type cutting head of box unpacking machine | |
CN207710895U (en) | A kind of movable belt chain pressure rack | |
CN206153322U (en) | Yangjing straightener before steel sheet is indulged and is cut | |
CN219521627U (en) | Glasses frame compound line grinding device | |
CN214721065U (en) | Automatic conveying multi-angle cutting all-in-one machine | |
CN219805820U (en) | Polishing device for end face of annular part |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
GR01 | Patent grant | ||
GR01 | Patent grant |