CN207122483U - Locking device - Google Patents
Locking device Download PDFInfo
- Publication number
- CN207122483U CN207122483U CN201720952265.0U CN201720952265U CN207122483U CN 207122483 U CN207122483 U CN 207122483U CN 201720952265 U CN201720952265 U CN 201720952265U CN 207122483 U CN207122483 U CN 207122483U
- Authority
- CN
- China
- Prior art keywords
- locking
- face
- host cavity
- screw rod
- locking 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
Abstract
The utility model provides a kind of locking device, including screw rod, locating part, locking switch, connecting rod and locking member.The screw rod has the first end face being oppositely arranged and second end face and the hollow channel being communicated between the first end face and the second end face, and the locating part is sheathed on the periphery of the screw rod, and is adjacent to the first end face.For the connecting rod through the hollow channel, both ends are connected to the locking switch and the locking member, and the locking switch is held in the first end face, and the locking member is held in the second end face.The locking member includes host cavity and the dop being contained in the host cavity.During locking, the workpiece is sheathed on the screw rod periphery, and the dop extends radially out the host cavity along the screw rod, it is fastened in the both sides of the workpiece respectively with the locating part, during dismounting, rotates the locking switch, so that the dop is retracted in the host cavity, to dismantle the workpiece.
Description
Technical field
It the utility model is related to mechanical structure field, and in particular to a kind of locking device.
Background technology
Generally, people often lock multiple workpiece with bolt attaching nut or screw.But use bolt or spiral shell
, can be very inconvenient when dismantling the workpiece of multiple lockings after nail locks multiple workpiece.When demounting bolt, it is necessary to use the works such as spanner
Tool unscrews nut, so needs to use the spanner with nut match specifications, it is impossible to single-handedly dismounting, profit is inconvenient, and it is time-consuming
Arduously, the efficiency of loading and unloading is low.When knockout screw, it is necessary to unscrew nut using instruments such as screwdrivers, so need to use and screw
The screwdriver of match specifications, it is impossible to single-handedly dismounting, be inconvenient profit, and time and effort consuming, the efficiency of loading and unloading is low.
Utility model content
The purpose of this utility model is to provide a kind of locking device, solve the problems, such as lock workpiece after dismantle it is inconvenient.
In order to solve problem present in background technology, the utility model provides a kind of locking device, to lock work
Part, including screw rod, locating part, locking switch, connecting rod and locking member;The screw rod has the first end face that is oppositely arranged and the
Biend and the hollow channel being communicated between the first end face and the second end face, the locating part are sheathed on the spiral shell
The periphery of bar, and it is adjacent to the first end face;Through the hollow channel, both ends are connected to described the connecting rod
Locking switch and the locking member, the locking switch are held in the first end face, and the locking member is held in described second
End face;The locking member includes host cavity and the dop being partially housed in the host cavity;During locking, the workpiece is sheathed on
The screw rod periphery, the dop extend radially out the host cavity along the screw rod, are fastened in respectively with the locating part described
The both sides of workpiece, during dismounting, rotate the locking switch so that the dop is retracted in the host cavity, to dismantle the work
Part.
Wherein, the locking member include the first top surface for being oppositely arranged and the first bottom surface and be connected to first top surface with
Side face between first bottom surface;First top surface is connected to the second end face;The host cavity is located at described first
Top surface, the host cavity include main cavity and two side chamber bodies located at main chamber body opposite sides, and main chamber body has
A pair of the first side walls being oppositely arranged, described two side chamber bodies are respectively communicated with the pair of the first side wall and the side face, institute
The quantity for stating dop is two, and is symmetrically set in the host cavity, and described two dops pass through described two side chamber bodies respectively
The extended or retracted host cavity.
Wherein, the dop includes stop part and is connected to the extension of the stop part, and the stop part is located at described
In main host cavity, the extension stretches out institute in locking through the side chamber body, the extension along the side chamber body
Host cavity is stated, is retracted in dismounting along the side chamber body in the host cavity.
Wherein, the stop part has the second top surface being oppositely arranged and the second bottom surface, and second bottom surface is described in
The first side wall is set, and elastic component is provided between second bottom surface and the first side wall, and the elastic component is in locking
Compressive state, the host cavity is retracted by the extension of elastic restoring force caused by the elastic component in dismounting
It is interior.
Wherein, the locking device also includes pushing block, and the pushing block is fixed on one end of the connecting rod, and is located at
In the main host cavity, the pushing block has two long ends being oppositely arranged and two short ends being oppositely arranged, locking when institute
State the stop part that two long ends are connected to described two dops respectively, during dismounting, rotate the locking switch so that described two
Short end is connected to the stop part of described two dops respectively.
Wherein, the pushing block is elliptical shape.
Wherein, the locating part is bolted in the screw rod.
Wherein, length of the locking switch along the screw rod radial direction is less than or equal to the radial dimension of the screw rod;
The radial dimension of the locking member is less than or equal to the radial dimension of the screw rod.
Wherein, the opposite end of the locking switch is equipped with bead screw, and the bead screw is along the screw rod
Axially penetrating through in the locking switch, the bead screw there is one end of bead to be connected to the first end face.
Wherein, the first end face is provided with the neck to match with the bead screw.
The utility model proposes locking device, set described connecting rod one end to be fixedly connected on locking switch, the other end
The locking member is connected to by the pushing block, the pushing block has two relative long ends and relative two short ends,
The connecting rod is through the screw rod so that and the locking member and the locking switch are respectively arranged on the both ends of the screw rod,
The locking switch is rotated, by the linkage effect of connecting rod the pushing block can be controlled to rotate, until the pushing block
Two long ends are abutted to the dop, so that the dop stretches out the host cavity, workpiece is sheathed on outside the screw rod
Enclose, and the dop stretched out is held in the side of the workpiece, then the locating part is bolted on screw rod, to be held in the work
The opposite side of part, you can realize and lock the workpiece;In the workpiece of dismounting locking, need to only be opened by rotating the locking
Close, until two short ends of the pushing block are abutted to the dop so that the dop is retracted the host cavity so that described
Workpiece side is free, you can realizes and dismantles the workpiece.Process above only needs rotational lock to switch, simple and convenient, without making
It is time saving and energy saving with the instrument of matching, dismantle inconvenient after solving the problems, such as the locking of traditional locks clamping of workpieces, improve the efficiency of loading and unloading.
Brief description of the drawings
, below will be to required use in embodiment in order to illustrate more clearly of the technical scheme of the utility model embodiment
Accompanying drawing be briefly described, it should be apparent that, drawings in the following description are only some embodiments of the utility model, right
For those of ordinary skill in the art, on the premise of not paying creative work, it can also be obtained according to these accompanying drawings
His accompanying drawing.
Fig. 1 is the locking device structure schematic diagram of the utility model embodiment.
Fig. 2 be the utility model embodiment locking device in screw rod structural representation.
Fig. 3 is the partial structural diagram of the locking device of the utility model embodiment.
Fig. 4 is the partial structural diagram of the locking device of another embodiment of the utility model.
Fig. 5 is the locking work status figure of the locking device of the utility model embodiment.
Fig. 6 is the locking work status figure of the locking device of another embodiment of the utility model.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme of the utility model embodiment is carried out clearly
Chu, it is fully described by.
Fig. 1~Fig. 6 is referred to, the utility model embodiment provides a kind of locking device 100, to lock workpiece
200a、200b.Fig. 1~Fig. 3 is referred to, the locking device 100 includes screw rod 110, locating part 120, locking switch 130, company
Extension bar 140 and locking member 150.The screw rod 110 has the first end face 111 being oppositely arranged and second end face 112 and is communicated in
Hollow channel 113 between the first end face 111 and the second end face 112.The locating part 120 is sheathed on the screw rod
110 periphery, and it is adjacent to the first end face 111.The connecting rod 140 is distinguished through the hollow channel 113, both ends
It is connected to the locking switch 130 and the locking member 150.Wherein, the locking switch 130 is held in the first end face
111, and the locking member 150 is held in the second end face 112.
Fig. 4~Fig. 6 is referred to, the locking member 150 includes host cavity 160 and is partially housed in the host cavity 160
Dop 170.The dop 170 can extend radially out or be retracted the host cavity 160 along the screw rod 110.Lock work
During part 200a, 200b, described workpiece 200a, 200b are sheathed on the periphery of the screw rod 110, and the dop 170 is along the screw rod 110
The host cavity 160 is extended radially out, and is held in described workpiece 200a, 200b side, distinguishes clamping with the locating part 120
In described workpiece 200a, 200b both sides.When dismantling workpiece 200a, 200b, the locking switch 130 is rotated so that the card
In the first 170 retraction host cavity 160, to dismantle described workpiece 200a, 200b.
In a kind of embodiment, referring to Fig. 1, the screw rod 110 is placed provided with spiral shell close to the outer of first end face 111
Line 114, the screw thread 114 is so that the locating part 120 is bolted in the screw rod 110.The locating part 120 can be nut.
The locating part 120 can be sheathed on the spiral shell from the side of the side of the first end face 111 or the second end face 112
The outer of bar 110 is placed.
Further, referring to Fig. 4, the locking member 150 includes the first top surface 151 and the first bottom surface being oppositely arranged
152 and the side face 153 that is connected between first top surface 151 and first bottom surface 152.The locking member 150 can be
Cylinder, and the axial direction of the locking member 150 is identical with the axial direction of the screw rod 110, then the side face 153 is the face of cylinder.Institute
State the first top surface 151 and be connected to the second end face 112.The host cavity 160 is located at first top surface 151, the collecting
Chamber 160 includes main cavity 161 and two side chamber bodies 162a, 162b located at the opposite sides of main chamber body 161.Main chamber body
161 have a pair of the first side walls 163a, 163b being oppositely arranged and a pair of second sidewalls 164a, 164b being oppositely arranged, described
The first side wall 163a, 163b are located between the pair of second sidewall 164a, 164b.Described two side chamber body 162a, 162b points
The pair of the first side wall 163a, 163b and the side face 153 are not communicated in.Specifically, described two side chamber body 162a, 162b
It is symmetrical arranged on main chamber body 161.The quantity of the dop 170 is two, and is symmetrically set in the host cavity 160,
Described two dops 170 pass through the extended or retracted host cavity 160 of described two side chamber body 162a, 162b respectively.
Further, referring to Fig. 4, the dop 170 includes stop part 171 and is connected to prolonging for the stop part 171
Extending portion 172.The stop part 171 is in the main host cavity 160.Specifically, the stop part 171 and the first side wall
163a, 163b are oppositely arranged, and the opposite end of the stop part 171 is connected to the pair of second sidewall 164a, 164b, when
During described two 170 extended or retracted host cavities 160 of dop, the opposite end of the stop part 171 is relatively the pair of
Second sidewall 164a, 164b is slided.The stop part 171 slides into when being abutted with described the first side wall 163a, 163b, described in stretching
The part of dop 170 of host cavity 160 is most, and now locking device 100 locks workpiece 200a, 200b.The extension 172
Bearing of trend intersects with the bearing of trend of the stop part 171, it is preferable that the bearing of trend of the extension 172 and the resistance
The bearing of trend of stopper 171 is perpendicular.The extension 172 is through the side chamber body, the extension 172 edge in locking
The side chamber body and stretch out the host cavity 160, be retracted in dismounting along the side chamber body in the host cavity 160.
Specifically, the stop part 171 has the second top surface 173 for being oppositely arranged and the second bottom surface 174, and described second
Bottom surface 174 is set towards described the first side wall 163a, 163b.The extension 172 is fixed on second bottom surface 174, and institute
The intermediate region of second bottom surface 174 can be located at by stating extension 172.Second bottom surface 174 and the first side wall
Elastic component 175 is provided between 163a, 163b.The elastic component 175 can be spring, elastic caoutchouc, flexure strip, elastoplast
Deng.The quantity of the elastic component 175 can be multiple, and the multiple elastic component 175 is symmetrical around the extension 172.This
In embodiment, the elastic component 175 is two, is symmetrically distributed in the both sides of the extension 172.The elastic component 175 is being locked
Compressive state is in when tight, is contracted in dismounting by the extension 172 of elastic restoring force caused by the elastic component 175
Enter in the host cavity 160.
Further, Fig. 3 to Fig. 6 is referred to, the locking device 100 also includes pushing block 180.The pushing block 180
One end of the connecting rod 140 is fixed on, and in the main host cavity 160.The pushing block 180 has what is be oppositely arranged
End 181a, 181b two long and two short ends 182a, 182b being oppositely arranged.Referring to Fig. 5, during locking, described two long ends
181a, 181b are connected to the stop part 171 of described two dops 170 respectively.Specifically, the pushing block 180 be located in it is described
Between second top surface 173 of the stop part 171 of two dops 170.During dismounting, the locking switch 130 is rotated so that described two
Individual short end 182a, 182b is connected to the second top surface 173 of the stop part 171 of described two dops 170 respectively.A kind of embodiment
In, the pushing block 180 is elliptical shape.In other embodiments, the pushing block 180 can also be polygon or not advise
Then shape etc..
Further, length of the locking switch 130 along the radial direction of screw rod 110 is less than or equal to the screw rod
110 radial dimension, in order to which the locating part 120 can be screw-coupled to the screw rod 110 from the side of the locking switch 130
On.The radial dimension of the locking member 150 is less than or equal to the radial dimension of the screw rod 110.Preferably, the locking member
150 be cylindric, and the radial dimension of the locking member 150 is equal to the radial dimension of the screw rod 110, and such design causes institute
The support division of workpiece 200a, 200b side can be formed by stating dop 170 and stretching out the host cavity 160, empty in host cavity 160
Between it is less in the case of, the extension 172 of the dop 170 is size-constrained, then stretches out the dop 170 of the host cavity 160
The size divided also can be smaller, and now, the radial dimension of the locking member 150 is equal to the radial dimension of the screw rod 110 so that stretches
The support division of workpiece 200a, 200b side can be turned into by going out the part of dop 170 of the host cavity 160, and structure design is more
Adduction is managed.
In a kind of embodiment, referring to Fig. 1, the opposite end of the locking switch 130 is equipped with bead screw 131.
The bead screw 131 is axially penetrated through in the locking switch 130 along the screw rod 110.The bead screw 131 has
One end of bead is connected to the first end face 111.Spring is provided between the shell and the bead of the bead screw 131,
So that there is certain elastic spacing between the bead and the first end face 111.Further, the first end face 111
Provided with the neck 132 to match with the bead screw 131.The neck 132 is by positioning the bead of the bead screw 131
End, come the angle for positioning the position of the locking switch 130 and determining the rotation of locking switch 130.The application is for described
The quantity and position of bead screw 131 and neck 132 do not limit.Preferably, the quantity of the bead screw 131 is 2, right
Claiming the opposite end located at the locking switch 130, the quantity of the neck 132 is 4, and 4 necks 132 are symmetrical two-by-two,
The line of symmetrical neck 132 is orthogonal.It is described to push away when described two bead screws 131 are sticked in the pair of neck 132
End 181a, 181b two long of motion block 180 are connected to the stop part 171 of described two dops 170 respectively, now, workpiece 200a,
200b is in locking state.When described two bead screws 131 are sticked in another pair neck 132, the pushing block 180
Two short ends 182a, 182b be connected to the stop parts 171 of described two dops 170 respectively, now, at workpiece 200a, 200b
In disassembly status.
The utility model proposes locking device 100, set described one end of connecting rod 140 to be fixedly connected on locking switch
130, the other end is connected to the locking member 150 by the pushing block 180, and the pushing block 180 has relative two long
End 181 and relative two short ends 182, the connecting rod 140 is through the screw rod 110 so that the locking member 150 and institute
The both ends that locking switch 130 is respectively arranged on the screw rod 110 are stated, the locking switch 130 is rotated, passes through the connection of connecting rod 140
Action use can control the pushing block 180 to rotate, until the two long end 181 of the pushing block 180 is abutted to the dop
170, so that the dop 170 stretches out the host cavity 160, workpiece 200a, 200b are sheathed on outside the screw rod 110
Enclose, and the dop 170 stretched out is held in described workpiece 200a, 200b side, then the locating part 120 is bolted in screw rod
On 110, to be held in described workpiece 200a, 200b opposite side, you can realize and lock described workpiece 200a, 200b;Dismantling
, only need to be by rotating the locking switch 130, until two of the pushing block 180 when described workpiece 200a, 200b of locking
Short end 182 is abutted to the dop 170 so that the dop 170 is retracted the host cavity 160 so that the workpiece 200a,
200b sides are free, you can realize and dismantle described workpiece 200a, 200b.Process above only needs rotational lock to switch 130, simply
It is convenient, it is time saving and energy saving without using the instrument of matching, improve the efficiency of loading and unloading.
In summary, although the utility model is disclosed above with preferred embodiment, the preferred embodiment is simultaneously not used to
The utility model is limited, one of ordinary skill in the field is not being departed from spirit and scope of the present utility model, can be made each
Kind is changed and retouching, therefore the scope of protection of the utility model is defined by the scope that claim defines.
Described above is preferred embodiment of the present utility model, it is noted that for the ordinary skill of the art
For personnel, on the premise of the utility model principle is not departed from, some improvements and modifications can also be made, these are improved and profit
Decorations are also considered as the scope of protection of the utility model.
Claims (10)
- A kind of 1. locking device, to lock workpiece, it is characterised in that including screw rod, locating part, locking switch, connecting rod and Locking member;The screw rod has the first end face being oppositely arranged and second end face and is communicated in the first end face and second end Hollow channel between face, the locating part are sheathed on the periphery of the screw rod, and are adjacent to the first end face;For the connecting rod through the hollow channel, both ends are connected to the locking switch and the locking member, described Locking switch is held in the first end face, and the locking member is held in the second end face;The locking member includes host cavity And it is contained in the dop in the host cavity;During locking, the workpiece is sheathed on the screw rod periphery, and the dop extends radially out the host cavity along the screw rod, with The locating part is fastened in the both sides of the workpiece respectively, during dismounting, rotates the locking switch so that the dop is retracted institute State in host cavity, to dismantle the workpiece.
- 2. locking device as claimed in claim 1, it is characterised in that the locking member include the first top surface for being oppositely arranged and First bottom surface and the side face being connected between first top surface and first bottom surface;First top surface is connected to described Biend;The host cavity is located at first top surface, and the host cavity includes main cavity and located at main chamber body phase to two Two side chamber bodies of side, main chamber body have a pair of the first side walls being oppositely arranged, described two side chamber bodies be respectively communicated with The pair of the first side wall and the side face, the quantity of the dop is two, and is symmetrically set in the host cavity, described two Individual dop passes through the extended or retracted host cavity of described two side chamber bodies respectively.
- 3. locking device as claimed in claim 2, it is characterised in that the dop includes stop part and is connected to the stop The extension in portion, in the host cavity, the extension exists the stop part through the side chamber body, the extension The host cavity is stretched out along the side chamber body during locking, is retracted in dismounting along the side chamber body in the host cavity.
- 4. locking device as claimed in claim 3, it is characterised in that the stop part have the second top surface for being oppositely arranged and Second bottom surface, second bottom surface are set towards the first side wall, are provided between second bottom surface and the first side wall Elastic component, the elastic component are in compressive state in locking, pass through elastic restoring force caused by the elastic component in dismounting So that the extension is retracted in the host cavity.
- 5. locking device as claimed in claim 4, it is characterised in that the locking device also includes pushing block, the promotion Block is fixed on one end of the connecting rod, and in the host cavity, the pushing block has two long ends being oppositely arranged And two short ends being oppositely arranged, described two long ends are connected to the stop part of described two dops respectively during locking, during dismounting, Rotate the locking switch so that described two short ends are connected to the stop part of described two dops respectively.
- 6. locking device as claimed in claim 5, it is characterised in that the pushing block is elliptical shape.
- 7. locking device as claimed in claim 1, it is characterised in that the locating part is bolted in the screw rod.
- 8. locking device as claimed in claim 1, it is characterised in that length of the locking switch along the screw rod radial direction Less than or equal to the radial dimension of the screw rod;The radial dimension of the locking member is less than or equal to the radial ruler of the screw rod It is very little.
- 9. locking device as claimed in claim 8, it is characterised in that the opposite end of the locking switch is equipped with bead spiral shell Silk, the bead screw have the one of bead along axially penetrating through for the screw rod in the locking switch, the bead screw End is connected to the first end face.
- 10. locking device as claimed in claim 9, it is characterised in that the first end face is provided with and the bead screw phase The neck of matching.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201720952265.0U CN207122483U (en) | 2017-08-01 | 2017-08-01 | Locking device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201720952265.0U CN207122483U (en) | 2017-08-01 | 2017-08-01 | Locking device |
Publications (1)
Publication Number | Publication Date |
---|---|
CN207122483U true CN207122483U (en) | 2018-03-20 |
Family
ID=61613532
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201720952265.0U Active CN207122483U (en) | 2017-08-01 | 2017-08-01 | Locking device |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN207122483U (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112832483A (en) * | 2020-12-31 | 2021-05-25 | 浙江万川装饰设计工程有限公司 | Mounting structure of decorative component and construction method thereof |
CN113137420A (en) * | 2021-04-13 | 2021-07-20 | 黎春伟 | Self-locking fastening bolt |
CN113380567A (en) * | 2021-06-09 | 2021-09-10 | 杭州之江开关股份有限公司 | Automatic transfer switch clamping fork type pneumatic running-in table and operation method thereof |
-
2017
- 2017-08-01 CN CN201720952265.0U patent/CN207122483U/en active Active
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112832483A (en) * | 2020-12-31 | 2021-05-25 | 浙江万川装饰设计工程有限公司 | Mounting structure of decorative component and construction method thereof |
CN113137420A (en) * | 2021-04-13 | 2021-07-20 | 黎春伟 | Self-locking fastening bolt |
CN113137420B (en) * | 2021-04-13 | 2022-08-02 | 沧州华煜铁路器材有限公司 | Self-locking fastening bolt |
CN113380567A (en) * | 2021-06-09 | 2021-09-10 | 杭州之江开关股份有限公司 | Automatic transfer switch clamping fork type pneumatic running-in table and operation method thereof |
CN113380567B (en) * | 2021-06-09 | 2022-09-16 | 杭州之江开关股份有限公司 | Automatic transfer switch clamping fork type pneumatic running-in table and operation method thereof |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN207122483U (en) | Locking device | |
CN204844056U (en) | Chuck locking spanner that lathe was used | |
CN106270600A (en) | One rises core type location mandril | |
CN105033918B (en) | Universal screw driver | |
CN106181837A (en) | A kind of split type ratchet spanner | |
CN203843784U (en) | Closing device with foldable empennage | |
CN104029139B (en) | Spiral special fixture and assembly method | |
CN207788765U (en) | A kind of hardware box spanner tool | |
CN206550933U (en) | A kind of valve is with multi-functional F types monkey wrench | |
CN105150148A (en) | Multi-functional wrench | |
CN101607388B (en) | Connecting rod of screwdriver head | |
CN203818092U (en) | Bearing dismounting tool | |
CN205446441U (en) | Big moment of torsion flange of quick hookup | |
CN206381621U (en) | A kind of propeller set of unmanned plane | |
CN208977248U (en) | A kind of Novel bolt extracting tool | |
CN207848165U (en) | A kind of bolt assembly for improving architectural engineering concrete seam quality | |
CN107150296A (en) | A kind of cross-type socket wrench | |
CN206373846U (en) | Bearing disassembling device | |
CN203592435U (en) | Screwdriver capable of deformation | |
CN207629926U (en) | One kind being suitable for axis and bolt tightens fixed adjustable spanner | |
CN207432098U (en) | Oil transfer pump stator removing tool | |
CN109227467A (en) | Expansion type extracting tool and its method for dismounting | |
CN208528961U (en) | Screwdriver and fastening apparatus | |
CN207495003U (en) | A kind of fixture that positioning is held out against for rail side | |
CN207593256U (en) | Expansion sleeve type clamping tooling |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
GR01 | Patent grant | ||
GR01 | Patent grant |