CN113003199B - Device is got to many arms clamps of abnormal shape goods - Google Patents
Device is got to many arms clamps of abnormal shape goods Download PDFInfo
- Publication number
- CN113003199B CN113003199B CN202110135754.8A CN202110135754A CN113003199B CN 113003199 B CN113003199 B CN 113003199B CN 202110135754 A CN202110135754 A CN 202110135754A CN 113003199 B CN113003199 B CN 113003199B
- Authority
- CN
- China
- Prior art keywords
- rod
- goods
- threaded
- shaped
- block
- 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
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G47/00—Article or material-handling devices associated with conveyors; Methods employing such devices
- B65G47/74—Feeding, transfer, or discharging devices of particular kinds or types
- B65G47/90—Devices for picking-up and depositing articles or materials
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G47/00—Article or material-handling devices associated with conveyors; Methods employing such devices
- B65G47/74—Feeding, transfer, or discharging devices of particular kinds or types
- B65G47/90—Devices for picking-up and depositing articles or materials
- B65G47/905—Control arrangements
Abstract
The invention discloses a multi-arm clamping device for special-shaped goods, which comprises a supporting column, wherein a main clamping arm is symmetrically welded in the middle of the supporting column, a sliding block is slidably installed on the main clamping arm, a main clamping rod is arranged on the bottom surface of the sliding block, a reinforcing cylinder is arranged at the lower end of the supporting column, a threaded rod is arranged in the reinforcing cylinder, a threaded block is installed on the threaded rod, a side clamping arm is welded on the bottom surface of the threaded block, an auxiliary clamping rod is inserted into the side clamping arm, and arc-shaped rods are arranged on two sides of the auxiliary clamping rod.
Description
Technical Field
The invention relates to the technical field of clamping devices, in particular to a multi-support-arm clamping device for special-shaped goods.
Background
In the production activity, the goods often need be transported, the mode of getting is got to the in-process of transporting often adoption clamp, press from both sides when getting the goods of shape rule at present, it is good to get the situation, but when getting heterotypic goods, often can appear pressing from both sides and get the unstable condition, because the shape of goods is irregular, lead to pressing from both sides the in-process of getting, press from both sides the device and press from both sides tight goods not, the goods is getting the in-process of getting the transportation and is dropped the damage, lead to very big economic loss, still can bring certain health threat for operating personnel simultaneously.
Therefore, the invention provides a multi-arm clamping device for special-shaped goods, which is used for solving the problems.
Disclosure of Invention
The invention aims to provide a multi-support-arm clamping device for special-shaped goods, which solves the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a device is got to many arm clamps of heterotypic goods, including the support column, the lug is perpendicularly welded to the top surface of support column, the middle symmetrical welding of support column has main arm lock, slidable mounting has the sliding block on the main arm lock, the one end of main arm lock is perpendicularly welded the limiting plate, the limiting plate can prevent the sliding block slippage, the bottom surface of sliding block is perpendicularly welded main clamping bar, the lower extreme of support column is perpendicularly welded and is consolidated a section of thick bamboo, install the bearing in the consolidation section of thick bamboo, install the threaded rod in the bearing, the bearing can make the threaded rod more laborsaving at the pivoted in-process, the threaded block is installed to the screw thread on the threaded rod, the both ends of threaded rod are perpendicularly welded first rotatory ring, the threaded end welding that the threaded rod is close to the bearing has the spacing ring, the spacing ring can prevent that the threaded block is when being close to the bearing end, from the threaded part slippage of threaded rod, the bottom surface perpendicular welding of threaded block has the side arm lock, it has supplementary clamping bar to peg graft on the side arm lock, the bilateral symmetry welding of supplementary clamping bar has the arc pole, one side screw hole has seted up, the threaded hole is equipped with the second screw bolt, the one end perpendicular welding of second screw bolt has the second rotatory ring of supplementary clamping bar, can be according to the height of the actual size adjustment of supplementary clamping bar, so that the goods rocks, in-type goods can be carried out the transportation in-shaped goods, the fixed clamping bar, the transportation process of the fixed clamp, the abnormal goods of the fixed clamp, the fixed in-shaped goods of the step of the transportation that can be carried out.
Preferably, first spout and second spout have been seted up to the main arm lock, be equipped with first screw thread in the first spout and tie, first screw thread is tied and is passed the link, the screw thread end screw thread that first screw thread was tied installs the nut, the perpendicular welding in both ends of link has little slider, little slider is installed in the second spout, one side fixed mounting of little slider has the extension spring, the other end fixed mounting of extension spring is on first spacing post, first spacing post is welded perpendicularly in the both sides of sliding block, when pressing from both sides and getting special-shaped goods, can adjust the position of sliding block and main clamping bar according to the size of advancing of goods, simultaneously through the rotation of nut, can make nut and first screw thread tie press from both sides the link tightly, make the position of extension spring fix, make the extension spring press from both sides the in-process of tight goods at main clamping bar clamp and can press from both sides the clamp of goods maximum tightly.
Preferably, the higher authority vertical welding of screw thread piece has the slider, and the slider cover is on the track pole, and the track pole vertical welding is on the support column, and the track pole can play the supporting role to the screw thread piece, can also avoid the screw thread piece to rotate at the in-process that removes simultaneously, and the welding of the one end of track pole has the stopper, and the stopper can prevent that the screw thread piece from slipping from the track pole at the in-process that is close to first rotatory ring.
Preferably, install an installation section of thick bamboo on the arc pole, it has the inserted bar to peg graft in the installation section of thick bamboo, the one end of inserted bar is fixed with the rubber ring, the rubber ring can be so that when pressing from both sides tight goods, the protection goods can not be pressed from both sides badly, the other end vertical welding of inserted bar has the connecting block, be equipped with the spring between connecting block and the installation section of thick bamboo, the both ends of spring are fixed respectively on connecting block and installation section of thick bamboo, can be so that when supplementary tight heterotypic goods of clamp, the inserted bar has the flexible condition of different degrees under the effect of spring, can make the inserted bar more press close to heterotypic goods.
Preferably, the arc pole on the supplementary clamping bar has three groups altogether, and the distance between the adjacent arc pole equals that every group arc pole is equipped with four groups of installation section of thick bamboos and inserted bar to can further press from both sides the heterotypic goods tightly, avoid pressing from both sides the in-process of getting the transportation and take place to rock and drop.
Compared with the prior art, the invention has the beneficial effects that:
1. the multi-support-arm clamping device for the special-shaped goods is characterized in that the main clamping arm is provided with the connecting frame and the first threaded bolt, so that when the special-shaped goods are clamped, the positions of the sliding block and the main clamping rod can be adjusted according to the initial size of the goods, and meanwhile, the connecting frame can be clamped by the nut and the first threaded bolt through the rotation of the nut, so that the position of the tension spring is fixed, and the goods can be clamped to the maximum extent by the tension spring in the process that the main clamping rod clamps the goods;
2. according to the multi-arm clamping device for the special-shaped goods, the threaded rod is provided with the threaded block, the side clamping arms and the auxiliary clamping rod, so that the positions of the side clamping arms and the auxiliary clamping rod can be adjusted by rotating the threaded rod, the goods can be further clamped, meanwhile, the auxiliary clamping rod can be adjusted in height according to the actual size of the goods, and the special-shaped goods can be further clamped by the aid of the cylinders and the inserting rods arranged on the auxiliary clamping rod, so that the special-shaped goods are prevented from shaking and falling off in the clamping and transferring process.
Drawings
FIG. 1 is a perspective view of the present invention;
FIG. 2 is a perspective view of the main clamp arm and the main clamp rod;
FIG. 3 is a perspective view of a portion of the structure;
FIG. 4 is an enlarged view of detail at A;
fig. 5 is an enlarged view of the structural details at B.
In the figure: the clamping device comprises a supporting column 1, a lifting lug 2, a main clamping arm 3, a sliding block 4, a limiting plate 5, a main clamping rod 6, a first limiting column 7, a tension spring 8, a small sliding block 9, a connecting frame 10, a first threaded bolt 11, a screw cap 12, a reinforcing cylinder 13, a bearing 14, a threaded rod 15, a threaded block 16, a sliding block 17, a track rod 18, a limiting block 1801, a limiting ring 19, a first rotating ring 20, a side clamping arm 21, an auxiliary clamping rod 22, a second threaded bolt 23, a second rotating ring 24, an arc-shaped rod 25, an installation cylinder 26, a rubber ring 27, a spring 28, an inserting rod 29 and a connecting block 30.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below. The embodiments of the present invention, and all other embodiments obtained by a person of ordinary skill in the art without any inventive work, belong to the scope of protection of the present invention.
Referring to fig. 1 to 5, the present invention provides a technical solution: the utility model provides a device is got to many supporting arms clamp of heterotypic goods, including support column 1, the perpendicular welding of top surface of support column 1 has lug 2, the middle symmetrical welding of support column 1 has main arm clamp 3, slidable mounting has sliding block 4 on the main arm clamp 3, the perpendicular welding of one end of main arm clamp 3 has limiting plate 5, limiting plate 5 can prevent sliding block 4 slippage, the perpendicular welding of bottom surface of sliding block 4 has main clamping bar 6, the lower extreme of support column 1 has perpendicularly welded and has consolidated a section of thick bamboo 13, install bearing 14 in the consolidation section of thick bamboo 13, install threaded rod 15 in the bearing 14, bearing 14 can make threaded rod 15 more laborsaving at the pivoted in-process, threaded block 16 is installed to the screw thread on the threaded rod 15, the perpendicular welding of both ends of threaded rod 15 has first rotatory ring 20, threaded rod 15 is close to the threaded end welding of bearing 14 has spacing ring 19, spacing ring 19 can prevent that threaded block 16 is when being close to bearing 14 end, from the threaded part slippage of threaded rod 15, the perpendicular welding has side arm clamp 21 in the bottom surface of threaded block 16, it has supplementary clamping bar 22 to peg, supplementary clamping bar's bilateral symmetry arc pole 25 has supplementary clamp, the screw hole has the screw bolt 23, the one end of second screw bolt is through the perpendicular welding of the supplementary clamp bar that the second height adjustment arm clamp bar 23 and is convenient for the transportation goods goes on the transportation of the second goods and has the transportation of the second clamp bar in order to rock the transportation of the height.
Further, the main arm 3 that presss from both sides has been seted up first spout and second spout, be equipped with first screw thread bolt 11 in the first spout, first screw thread bolt 11 passes link 10, nut 12 is installed to the screw thread end screw thread of first screw thread bolt 11, little slider 9 has been welded perpendicularly at the both ends of link 10, little slider 9 is installed in the second spout, one side fixed mounting of little slider 9 has extension spring 8, the other end fixed mounting of extension spring 8 is on first spacing post 7, first spacing post 7 welds perpendicularly in the both sides of sliding block 4, when pressing from both sides the special-shaped goods of getting, can adjust the position of sliding block 4 and main clamping bar 6 according to the size of advancing of goods, simultaneously through the rotation of nut 12, can make nut 12 and first screw thread bolt 11 press from both sides link 10 tightly, make the position of extension spring 8 fix, make extension spring 8 can press from both sides the clamp tightly the goods maximum in-process of the tight goods of main clamping bar 6.
Further, a sliding block 17 is vertically welded on the upper surface of the thread block 16, the sliding block 17 is sleeved on the track rod 18, the track rod 18 is vertically welded on the support column 1, the track rod 18 can support the thread block 16, meanwhile, the thread block 16 can be prevented from rotating in the moving process, a limiting block 1801 is welded at one end of the track rod 18, and the limiting block 1801 can prevent the thread block 16 from slipping off the track rod 18 in the process of approaching the first rotating ring 20.
Further, install installation section of thick bamboo 26 on the arc pole 25, it has inserted bar 29 to peg 26 interpolation, the one end of inserted bar 29 is fixed with rubber ring 27, rubber ring 27 can make when pressing from both sides tight goods, the protection goods can not be damaged by the clamp, the perpendicular welding of the other end of inserted bar 29 has connecting block 30, be equipped with spring 28 between connecting block 30 and the installation section of thick bamboo 26, spring 28's both ends are fixed respectively on connecting block 30 and installation section of thick bamboo 26, can make when the supplementary tight heterotypic goods of clamp through spring 28, inserted bar 29 has the flexible condition of different degrees under spring 28's effect, can make inserted bar 29 more press close to heterotypic goods.
Furtherly, the arc pole 25 on the auxiliary clamp pole 22 has three groups altogether, and the distance between the adjacent arc pole 25 equals that every group arc pole 25 is equipped with four groups of installation section of thick bamboo 26 and inserted bar 29 to alright further press from both sides the tight with heterotypic goods, avoid pressing from both sides the in-process of getting the transportation and take place to rock and drop.
The working principle is as follows: when using, at first carry out the preset to the position of main clamping bar 6 according to the size of dimensions of goods, will reach suitable position to main clamping bar 6 and link 10 preset, so that when pressing from both sides the goods, main clamping bar 6 can keep the biggest clamp force, rotatory nut 12 is followed, make nut 12 and first screw bolt 11 fix first screw bolt 11, just can press from both sides the goods after then, after main clamping bar 6 presss from both sides the goods tightly, at rotatory threaded rod 15, make screw block 16 drive side arm lock 21 and supplementary clamping bar 22 be close to the goods, make inserted bar 29 and rubber ring 27 above the arc pole 25 go on further pressing from both sides the dysmorphism goods tightly, prevent to rock in the in-process of transportation and drop.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (1)
1. The utility model provides a device is got to many arms clamps of heterotypic goods, includes support column (1), its characterized in that: the lifting lug is vertically welded to the top surface of the supporting column (1), a main clamping arm (3) is symmetrically welded to the middle of the supporting column (1), a sliding block (4) is slidably mounted on the main clamping arm (3), a limiting plate (5) is vertically welded to one end of the main clamping arm (3), a main clamping rod (6) is vertically welded to the bottom surface of the sliding block (4), a reinforcing cylinder (13) is vertically welded to the lower end of the supporting column (1), a bearing (14) is mounted in the reinforcing cylinder (13), a threaded rod (15) is mounted in the bearing (14), a threaded block (16) is threadedly mounted on the threaded rod (15), first rotating rings (20) are vertically welded to two ends of the threaded rod (15), a limiting ring (19) is welded to the threaded end of the threaded rod (15) close to the bearing (14), a side clamping arm (21) is vertically welded to the bottom surface of the threaded block (16), an auxiliary clamping rod (22) is spliced to the side clamping arm (21), arc-shaped rods (25) are symmetrically welded to two sides of the auxiliary clamping rod (22), a second threaded bolt (23) is vertically welded to one end of the second rotating ring (24);
the main clamping arm (3) is provided with a first sliding groove and a second sliding groove, a first threaded bolt (11) is arranged in the first sliding groove, the first threaded bolt (11) penetrates through a connecting frame (10), a nut (12) is installed at the threaded end of the first threaded bolt (11), small sliding blocks (9) are vertically welded at two ends of the connecting frame (10), the small sliding blocks (9) are installed in the second sliding groove, a tension spring (8) is fixedly installed at one side of each small sliding block (9), the other end of each tension spring (8) is fixedly installed on a first limiting column (7), and the first limiting columns (7) are vertically welded at two sides of each sliding block (4);
a sliding block (17) is vertically welded on the upper surface of the threaded block (16), the sliding block (17) is sleeved on a track rod (18), the track rod (18) is vertically welded on the support column (1), and a limiting block (1801) is welded at one end of the track rod (18);
an installation cylinder (26) is installed on the arc-shaped rod (25), an inserting rod (29) is inserted in the installation cylinder (26), a rubber ring (27) is fixed at one end of the inserting rod (29), a connecting block (30) is vertically welded at the other end of the inserting rod (29), a spring (28) is arranged between the connecting block (30) and the installation cylinder (26), and two ends of the spring (28) are respectively fixed on the connecting block (30) and the installation cylinder (26);
the arc-shaped rods (25) on the auxiliary clamping rods (22) are divided into three groups, the distances between adjacent arc-shaped rods (25) are equal, and each group of arc-shaped rods (25) is provided with four groups of mounting cylinders (26) and inserting rods (29);
when the clamping device is used, firstly, the position of a main clamping rod (6) is preset according to the size of goods, the main clamping rod (6) and a connecting frame (10) are preset to proper positions, so that when the goods are clamped, the main clamping rod (6) can keep the maximum clamping force, then a nut (12) is rotated, the nut (12) and a first threaded bolt (11) fix a first threaded bolt (11), then the goods are clamped, and after the goods are clamped by the main clamping rod (6), a threaded rod (15) is rotated, so that a threaded block (16) drives a side clamping arm (21) and an auxiliary clamping rod (22) to be close to the goods, an inserted rod (29) and a rubber ring (27) on an arc-shaped rod (25) further clamp the special-shaped goods, and the special-shaped goods are prevented from shaking and falling off in the transportation process;
the height of the auxiliary clamping rod (22) is adjusted through the second threaded bolt (23) according to the actual size of the goods, so that the arc-shaped rod (25) on the auxiliary clamping rod (22) can further clamp and fix the special-shaped goods, and the special-shaped goods are prevented from shaking and falling off in the transportation process; when clamping special-shaped goods, the positions of the sliding block (4) and the main clamping rod (6) are adjusted according to the initial size of the goods, and meanwhile, the nut (12) and the first threaded bolt (11) clamp the connecting frame (10) through the rotation of the nut (12), so that the position of the tension spring (8) is fixed, and the tension spring (8) clamps the goods to the maximum extent in the process of clamping the goods by the main clamping rod (6); due to the spring (28), when the special-shaped goods are clamped in an auxiliary mode, the inserting rod (29) can stretch out and draw back in different degrees under the action of the spring (28), and the inserting rod (29) is close to the special-shaped goods.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110135754.8A CN113003199B (en) | 2021-02-01 | 2021-02-01 | Device is got to many arms clamps of abnormal shape goods |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110135754.8A CN113003199B (en) | 2021-02-01 | 2021-02-01 | Device is got to many arms clamps of abnormal shape goods |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113003199A CN113003199A (en) | 2021-06-22 |
| CN113003199B true CN113003199B (en) | 2022-11-01 |
Family
ID=76384708
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110135754.8A Active CN113003199B (en) | 2021-02-01 | 2021-02-01 | Device is got to many arms clamps of abnormal shape goods |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113003199B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113415562B (en) * | 2021-06-29 | 2022-07-12 | 重庆机电智能制造有限公司 | Light cargo box hanging and taking clamping jaw structure for warehousing |
| CN114348081B (en) * | 2022-01-08 | 2023-03-28 | 济南悦通仓储设备有限公司 | Cargo handling car with breakage-proof function |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3565951D1 (en) * | 1984-03-21 | 1988-12-08 | Secr Defence Brit | An enveloping gripper |
| US6082080A (en) * | 1998-10-15 | 2000-07-04 | Abb Flexible Automation, Inc. | Device for mechanically grasping and palletizing rectangular objects |
| CN107471234B (en) * | 2017-09-29 | 2018-05-15 | 安徽理工大学 | Foundry robot refers to asynchronous handgrip with omnidirectional more |
| CN208307896U (en) * | 2018-04-14 | 2019-01-01 | 江西万泰铝业有限公司 | A kind of ingot fetching device of aluminium ingot |
| CN209720921U (en) * | 2018-12-19 | 2019-12-03 | 合肥中控智科机器人有限公司 | A kind of novel stack robot manipulator device |
| CN211806228U (en) * | 2020-04-07 | 2020-10-30 | 浙江博拉自动化科技有限公司 | Bearing robot clamp |
| CN111421373B (en) * | 2020-04-09 | 2021-08-24 | 济宁拓源精密机械有限公司 | High-stability limiting mechanism for conveying numerical control machine tool products |
| CN211890888U (en) * | 2020-04-10 | 2020-11-10 | 王帅 | Mechanical automation grabbing device |
-
2021
- 2021-02-01 CN CN202110135754.8A patent/CN113003199B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN113003199A (en) | 2021-06-22 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN113003199B (en) | Device is got to many arms clamps of abnormal shape goods | |
| CN202763321U (en) | H-beam tilting welding line | |
| CN104229652B (en) | Tire clamping and positioning lifting machine | |
| CN103624468A (en) | Welding positioner special for upper and lower square butt joint welding seams of excavator movable arms and using method of welding positioner | |
| CN203305275U (en) | Adjustable pipe clamping device in PVC pipe production line | |
| CN209467115U (en) | A kind of adjustable apparatus for moving vehicle | |
| CN217344553U (en) | Overturning clamping tool for LED module processing | |
| CN206255403U (en) | A kind of gas cylinder packaging lattice | |
| CN214771605U (en) | Hydraulic clamp for rush repair of oil and gas pipeline | |
| CN203636285U (en) | Special welding positioner for up-and-down square-butt-joint welds of movable arm of excavator | |
| CN211565154U (en) | Main beam modularization machining frock bed-jig | |
| CN204138229U (en) | Tire clamping and positioning lifting machine | |
| CN202658571U (en) | Special adjusting device for bi-directional suspension supporting system of steel hoop | |
| CN208845979U (en) | The express delivery cabinet being easily installed | |
| CN208631551U (en) | A kind of wood pallet automatic turning material collecting device | |
| CN208513959U (en) | Upper platform sling welding processing device | |
| CN208929555U (en) | A kind of welding fixture of two-way positioning | |
| CN208226469U (en) | A kind of device convenient for communication cable solidus | |
| CN211970313U (en) | Pipe conveying device with adjustable width | |
| CN207205711U (en) | A kind of weld jig for shipbuilding | |
| CN205997530U (en) | Adhesive binder clamps governor motion | |
| CN212425189U (en) | H-shaped steel plate stacking device for steel structure machining | |
| CN200942943Y (en) | Glass packaging rack | |
| CN220866570U (en) | Stacking equipment | |
| CN211893016U (en) | Limiting mechanism for automobile glass transport frame |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20221013 Address after: No. 7, North Section of Yibin Port Road, Shaping Street, Lingang Economic Development Zone, Yibin, Sichuan 644002 Applicant after: Yibin Comprehensive Bonded Zone Supply Chain Management Co.,Ltd. Address before: No. 122, middle Xiaoxiang Road, Changsha, Hunan 410000 Applicant before: Wu Lihui |
|
| GR01 | Patent grant | ||
| GR01 | Patent grant |