CN219617069U - Table plate overturning bracket clamp - Google Patents
Table plate overturning bracket clamp Download PDFInfo
- Publication number
- CN219617069U CN219617069U CN202320518563.4U CN202320518563U CN219617069U CN 219617069 U CN219617069 U CN 219617069U CN 202320518563 U CN202320518563 U CN 202320518563U CN 219617069 U CN219617069 U CN 219617069U
- Authority
- CN
- China
- Prior art keywords
- shaft
- fixed
- plate
- support
- supporting
- 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
- Jigs For Machine Tools (AREA)
Abstract
The utility model relates to the technical field of desk manufacturing and discloses a desk plate overturning bracket clamp which comprises a clamp main body, wherein the clamp main body comprises a clamp bottom plate, a front supporting plate and a rear supporting plate, and four overturning arm positioning columns protruding backwards are respectively fixed on the front supporting plate and the rear supporting plate; the rear sides of the front support plate and the rear support plate are respectively provided with a first pressing block, the left end of the clamp bottom plate is fixedly provided with two front-rear fixed shaft support frames, the right end of the clamp bottom plate is fixedly provided with two front-rear turnover shaft support frames, and the rear end of the clamp bottom plate is fixedly provided with a telescopic cylinder connecting support positioning seat. The turnover arm positioning column is used for positioning the turnover arm, the telescopic cylinder connecting frame is positioned through the telescopic cylinder connecting bracket positioning seat, and the fixed shaft and the turnover shaft are respectively supported and limited through the fixed shaft supporting frame and the turnover shaft supporting frame, so that each part of the desk turnover bracket can be positioned, welding work is facilitated, and welding quality and welding efficiency can be improved.
Description
Technical Field
The utility model relates to the technical field of desk manufacturing, in particular to a table plate overturning bracket clamp.
Background
As shown in figure 7 of the specification, the desk overturning bracket comprises two overturning arms, an overturning shaft, a fixed shaft and a telescopic cylinder connecting bracket, wherein the overturning arms, the overturning shaft, the fixed shaft and the telescopic cylinder connecting bracket are arranged front and back, the telescopic cylinder connecting bracket is inserted into and welded on the overturning shaft, two ends of the overturning shaft are welded at one ends of the two overturning arms, and the other ends of the two overturning arms are welded with two ends of the fixed shaft. The existing desk overturning bracket is welded in a positioning mode through manual operation in the welding process, positioning accuracy is low, welding quality is uneven, and welding efficiency is low.
Disclosure of Invention
The utility model aims to provide a table plate overturning bracket fixture, which is characterized in that overturning arms are positioned through overturning arm positioning columns, telescopic cylinder connecting brackets are positioned through telescopic cylinder connecting bracket positioning seats, and a fixed shaft and an overturning shaft are respectively supported and limited through a fixed shaft supporting frame and an overturning shaft supporting frame, so that each part of a table overturning bracket can be positioned, the welding work is convenient, and the welding quality and the welding efficiency can be improved;
the clamp body can be driven to turn over through the worm wheel, the worm, the rotating shaft and the like, so that the welding work of workers on the hidden part of the table plate turning support is facilitated.
The technical aim of the utility model is realized by the following technical scheme:
the table plate overturning bracket clamp comprises a clamp main body, wherein the clamp main body comprises a clamp bottom plate, a front supporting plate and a rear supporting plate which are fixed at two ends of the clamp bottom plate, and four overturning arm positioning columns which are protruded backwards are respectively fixed on the front supporting plate and the rear supporting plate;
the rear sides of the front support plate and the rear support plate are respectively provided with a first pressing block, each first pressing block is fixed on a corresponding first cylinder, and the first cylinders are fixed on the clamp bottom plate through cylinder supports; the two first air cylinders are connected with a first air cylinder switch;
the left end of the clamp bottom plate is fixed with two fixed shaft supporting frames which are arranged front and back, the right end of the clamp bottom plate is fixed with two turnover shaft supporting frames which are arranged front and back, and the rear end of the clamp bottom plate is fixed with a telescopic cylinder connecting bracket positioning seat.
Through the technical scheme, the front turning arm is inserted and sleeved among the four turning arm positioning columns on the front supporting plate; then inserting the telescopic cylinder connecting bracket on the overturning shaft, and placing the telescopic cylinder connecting bracket on a telescopic cylinder connecting bracket positioning seat for positioning; then inserting and sleeving the small-diameter part at the front end of the fixed shaft and the small-diameter part at the front end of the turning shaft into holes at two ends of the turning arm; the fixed shaft support frame can support and partially position the fixed shaft, and the turnover shaft support frame can support and partially position the turnover shaft; then inserting the turnover arm at the rear side among four turnover arm positioning columns on the rear supporting plate; the two end holes of the turnover arm at the rear side are respectively inserted and sleeved on the rear small-diameter part of the fixed shaft and the rear small-diameter part of the turnover shaft; and then the piston rods of the two first cylinders stretch to drive the respective first pressing blocks to approach the corresponding overturning arms, so that the overturning arms are clung to the front supporting plate or the rear supporting plate, the overturning arms are positioned, and at the moment, the joint of the overturning shaft and the overturning arms, the joint of the fixed shaft and the overturning arms and the joint of the overturning shaft and the telescopic cylinder connecting support are welded, so that the welding work of the table overturning support is completed.
The utility model is further arranged to: the upper end of the fixed shaft supporting frame is provided with a first semicircular groove with an upper side opening, and the first semicircular groove is matched with the outer diameter of the fixed shaft;
the upper end of the rotating shaft supporting frame is provided with a second semicircular groove with an upper side opening, and the second semicircular groove is matched with the outer diameter of the overturning shaft.
Through the technical scheme, the fixed shaft is inserted into the first semicircular groove, the first semicircular groove can support the fixed shaft, and the fixed shaft cannot overturn in the first semicircular groove but can move along the axial direction of the first semicircular groove; the turnover shaft can not turn over in the second semicircular groove in the same way but can move along the axial direction of the second semicircular groove.
The utility model is further arranged to: the telescopic cylinder connecting support positioning seat is formed with a lower positioning plate and an inner positioning plate which are vertically arranged, the outer end of the lower positioning plate is fixed with a supporting plate which is arranged in parallel with the inner positioning plate, a second cylinder is fixed on the supporting plate, and the end part of a piston rod of the second cylinder is fixed with a second pressing block; the second cylinder is connected with a second cylinder switch;
the front positioning plate and the rear positioning plate which are arranged front and back are fixed on the lower positioning plate.
Through the technical scheme, the lower positioning plate can position the lower end of the telescopic cylinder connecting bracket, the second cylinder drives the second pressing and pressing inward positioning plate, and the inner end of the telescopic cylinder connecting bracket presses against the inner positioning plate, so that the inner end of the telescopic cylinder connecting bracket is positioned; and the front positioning plate and the rear positioning plate can position the front side and the rear side of the telescopic cylinder connecting bracket.
The utility model is further arranged to: a door-shaped bracket is formed in the middle of the clamp bottom plate;
the door-shaped support is fixed on the rotating shaft, a worm wheel is fixed on the rotating shaft, the lower end of the worm wheel is meshed with a worm, the worm and the rotating shaft are rotationally connected to the supporting seat, a motor for driving the worm to rotate is fixed on the supporting seat, and the motor is connected with a motor switch for driving the worm to rotate positively, reversely and stop.
Through above-mentioned technical scheme, the motor drives the worm and rotates, and the worm drives the worm wheel and rotates, and the worm wheel drives door type support through the pivot and rotates, and door type support passes through anchor clamps bottom plate and drives whole anchor clamps main part and rotate to make things convenient for the welding work of staff to table upset support.
The utility model is further arranged to: the rotating shaft comprises a first supporting shaft and a second supporting shaft which are coaxially arranged; the first supporting shaft comprises a first supporting disc, a first large-diameter shaft, a first small-diameter shaft and a spline shaft which are integrally formed; the second support shaft comprises a second support disc and a second large-diameter shaft which are integrally formed, and a support hole matched with the first small-diameter shaft and a spline hole matched with the spline shaft are formed in the second large-diameter shaft;
the first support disc and the second support disc are respectively fixed on two side plates of the door-shaped bracket through screws;
the first small-diameter shaft is inserted into and fixed on the worm gear, and the worm gear is clamped between the end face of the first large-diameter shaft and the end face of the second large-diameter shaft;
the first large-diameter shaft and the second large-diameter shaft are rotatably connected to the supporting seat through bearings.
Through the technical scheme, the first large-diameter shaft and the second large-diameter shaft apply force to the supporting seat through the bearing, the supporting seat bears the main weight of the clamp main body, the load of the worm can be reduced, and the worm can be conveniently and easily rotated; the rotating shaft is arranged into the first supporting shaft and the second supporting shaft in a split mode, and assembly of the worm wheel and assembly work of the rotating shaft and the door type bracket are facilitated.
The utility model has the outstanding effects that:
the turnover arm positioning column is used for positioning the turnover arm, the telescopic cylinder connecting frame is positioned through the telescopic cylinder connecting bracket positioning seat, and the fixed shaft and the turnover shaft are respectively supported and limited through the fixed shaft supporting frame and the turnover shaft supporting frame, so that each part of the desk turnover bracket can be positioned, the welding work is convenient, and the welding quality and the welding efficiency can be improved;
the clamp body can be driven to turn over through the worm wheel, the worm, the rotating shaft and the like, so that the welding work of workers on the hidden part of the table plate turning support is facilitated.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic view of the assembly of the utility model with a table top flip bracket;
FIG. 3 is a top view of FIG. 2;
FIG. 4 is a view of FIG. 3 in a direction about B;
FIG. 5 is a cross-sectional view of FIG. 3 taken about A-A;
FIG. 6 is a partial cross-sectional view of a telescoping cylinder connecting bracket positioning seat of the present utility model;
fig. 7 is a schematic structural view of a table turnover bracket according to the present utility model.
Reference numerals: 10. a clamp body; 101. a clamp base plate; 102. A front support plate; 103. a rear support plate; 104. a turnover arm positioning column; 105. a fixed shaft support; 1051. a first semicircular groove; 106. a turnover shaft support frame; 1061. a second semicircular groove; 107. the telescopic cylinder is connected with the bracket positioning seat; 1071. a lower positioning plate; 1072. an inner positioning plate; 1073. a support plate; 1074. a front positioning plate; 1075. a rear positioning plate; 108. a second cylinder; 109. a second briquetting; 110. a door-shaped bracket;
20. a rotating shaft; 21. a worm wheel; 22. a worm; 23. a support base; 24. a motor;
201. a first support shaft; 2011. a first support plate; 2012. a first large diameter shaft; 2013. a first small diameter shaft; 2014. a spline shaft;
202. a second support shaft; 2021. a second support plate; 2022. a second large diameter shaft; 2023. a support hole; 2024. a spline hole;
90. a flip arm; 91. a fixed shaft; 92. a turnover shaft; 93. the telescopic cylinder is connected with the bracket.
Detailed Description
The following describes in further detail the embodiments of the present utility model with reference to the drawings and examples. The following examples are illustrative of the utility model and are not intended to limit the scope of the utility model.
The present utility model is described below with reference to fig. 1 to 7:
the table plate overturning bracket clamp comprises a clamp main body 10, wherein the clamp main body 10 comprises a clamp bottom plate 101, a front supporting plate 102 and a rear supporting plate 103 which are fixed at two ends of the clamp bottom plate 101, and four overturning arm positioning columns 104 which are protruded backwards are respectively fixed on the front supporting plate 102 and the rear supporting plate 103;
the rear sides of the front support plate 102 and the rear support plate 103 are respectively provided with a first pressing block 2001, each first pressing block 2001 is fixed on a corresponding first cylinder 2002, and the first cylinders 2002 are fixed on the clamp base plate 101 through the cylinder bracket 203; the two first air cylinders are connected with a first air cylinder switch;
the left end of the clamp bottom plate 101 is fixed with two fixed shaft supporting frames 105 which are arranged front and back, the right end of the clamp bottom plate 101 is fixed with two turnover shaft supporting frames 106 which are arranged front and back, and the rear end of the clamp bottom plate 101 is fixed with a telescopic cylinder connecting bracket positioning seat 107.
Firstly, inserting the front overturning arm 90 between four overturning arm positioning posts on the front supporting plate 102; then inserting the telescopic cylinder connecting bracket 93 into the overturning shaft 92, and placing the telescopic cylinder connecting bracket on the telescopic cylinder connecting bracket positioning seat for positioning; then the front small diameter part of the fixed shaft 91 and the front small diameter part of the turning shaft 92 are inserted and sleeved in the holes at the two ends of the turning arm 90; the fixed shaft support frame can support and partially position the fixed shaft, and the turnover shaft support frame can support and partially position the turnover shaft; then inserting the rear tilting arm 90 between four tilting arm positioning posts on the rear support plate 103; the two end holes of the turnover arm 90 at the rear side are respectively inserted and sleeved on the rear small-diameter part of the fixed shaft 91 and the rear small-diameter part of the turnover shaft 92; and then the piston rods of the two first cylinders stretch to drive the respective first pressing blocks to approach the corresponding overturning arms, so that the overturning arms are clung to the front supporting plate or the rear supporting plate, the overturning arms are positioned, and at the moment, the joint of the overturning shaft and the overturning arms, the joint of the fixed shaft and the overturning arms and the joint of the overturning shaft and the telescopic cylinder connecting support are welded, so that the welding work of the table overturning support is completed.
The upper end of the fixed shaft support 105 is formed with a first semicircular groove 1051 with an upper side opening matched with the outer diameter of the fixed shaft 91;
the upper end of the turnover shaft supporting frame 106 is formed with a second semicircular groove 1061 with an upper side opening matched with the outer diameter of the turnover shaft 92.
The fixed shaft is inserted into the first semicircular groove, the first semicircular groove can support the fixed shaft, and the fixed shaft cannot overturn in the first semicircular groove but can move along the axial direction of the first semicircular groove; the turnover shaft can not turn over in the second semicircular groove in the same way but can move along the axial direction of the second semicircular groove.
The telescopic cylinder connecting bracket positioning seat 107 is formed with a lower positioning plate 1071 and an inner positioning plate 1072 which are vertically arranged, a supporting plate 1073 which is arranged in parallel with the inner positioning plate 1072 is fixed at the outer end of the lower positioning plate 1071, a second cylinder 108 is fixed on the supporting plate 1073, and a second pressing block 109 is fixed at the end part of a piston rod of the second cylinder 108; the second cylinder is connected with a second cylinder switch;
a front positioning plate 1074 and a rear positioning plate 1075 which are arranged front and back are fixed on the lower positioning plate 1071.
The lower positioning plate can position the lower end of the telescopic cylinder connecting bracket, the second cylinder drives the second pressing and pressing inward positioning plate, and the inner end of the telescopic cylinder connecting bracket presses against the inner positioning plate, so that the inner end of the telescopic cylinder connecting bracket is positioned; and the front positioning plate and the rear positioning plate can position the front side and the rear side of the telescopic cylinder connecting bracket.
A door-shaped bracket 110 is formed in the middle of the clamp bottom plate 101;
the door-shaped bracket 110 is fixed on the rotating shaft 20, a worm wheel 21 is fixed on the rotating shaft 20, a worm 22 is meshed with the lower end of the worm wheel 21, the worm 22 and the rotating shaft 20 are rotatably connected to a supporting seat 23, a motor 24 for driving the worm 22 to rotate is fixed on the supporting seat 23, and the motor is connected with a motor switch for driving the worm 22 to rotate positively, reversely and stop.
The motor drives the worm to rotate, and the worm drives the worm wheel to rotate, and the worm wheel drives the door-shaped support to rotate through the pivot, and the door-shaped support drives whole anchor clamps main part through anchor clamps bottom plate and rotates to make things convenient for the welding work of staff to table upset support.
The rotating shaft 20 comprises a first supporting shaft 201 and a second supporting shaft 202 which are coaxially arranged; the first support shaft 201 includes a first support plate 2011, a first large-diameter shaft 2012, a first small-diameter shaft 2013 and a spline shaft 2014 that are integrally formed; the second support shaft 202 includes a second support plate 2021 and a second large-diameter shaft 2022 that are integrally formed, and a support hole 2023 that is matched with the first small-diameter shaft 2013 and a spline hole 2024 that is matched with the spline shaft 2014 are formed on the second large-diameter shaft 2022;
the first support plate 2011 and the second support plate 2021 are respectively fixed on two side plates of the door-shaped bracket 110 by screws;
the first small diameter shaft 2013 is inserted into and fixed on the worm wheel 21, and the worm wheel 21 is clamped between the end face of the first large diameter shaft 2012 and the end face of the second large diameter shaft 2022;
the first large diameter shaft 2012 and the second large diameter shaft 2022 are rotatably connected to the supporting base 23 by bearings.
The first large-diameter shaft 2012 and the second large-diameter shaft 2022 apply force to the supporting seat through the bearings, and the supporting seat bears the main weight of the clamp main body, so that the load of the worm can be reduced, and the worm can be conveniently and easily rotated; the rotating shaft is arranged into the first supporting shaft and the second supporting shaft in a split mode, and assembly of the worm wheel and assembly work of the rotating shaft and the door type bracket are facilitated.
The foregoing is merely a preferred embodiment of the present utility model, and it should be noted that it will be apparent to those skilled in the art that modifications and variations can be made without departing from the technical principles of the present utility model, and these modifications and variations should also be regarded as the scope of the utility model.
Claims (5)
1. The utility model provides a table upset support anchor clamps, includes anchor clamps main part (10), its characterized in that: the clamp body (10) comprises a clamp bottom plate (101), and a front supporting plate (102) and a rear supporting plate (103) which are fixed at two ends of the clamp bottom plate (101), wherein four turnover arm positioning columns (104) protruding backwards are respectively fixed on the front supporting plate (102) and the rear supporting plate (103);
the rear sides of the front support plate (102) and the rear support plate (103) are respectively provided with a first pressing block (2001), each first pressing block (2001) is fixed on a corresponding first cylinder (2002), and the first cylinders (2002) are fixed on the clamp base plate (101) through the cylinder supports (203);
the left end of the clamp bottom plate (101) is fixed with two fixed shaft supporting frames (105) which are arranged front and back, the right end of the clamp bottom plate (101) is fixed with two turnover shaft supporting frames (106) which are arranged front and back, and the rear end of the clamp bottom plate (101) is fixed with a telescopic cylinder connecting bracket positioning seat (107).
2. The table flip bracket fixture of claim 1, wherein: the upper end of the fixed shaft supporting frame (105) is provided with a first semicircular groove (1051) with an upper side opening, and the first semicircular groove is matched with the outer diameter of the fixed shaft (91);
the upper end of the turnover shaft supporting frame (106) is provided with a second semicircular groove (1061) with an upper side opening matched with the outer diameter of the turnover shaft (92).
3. The table flip bracket fixture of claim 1, wherein: the telescopic cylinder connecting support positioning seat (107) is formed with a lower positioning plate (1071) and an inner positioning plate (1072) which are vertically arranged, a supporting plate (1073) which is arranged in parallel with the inner positioning plate (1072) is fixed at the outer end of the lower positioning plate (1071), a second cylinder (108) is fixed on the supporting plate (1073), and a second pressing block (109) is fixed at the end part of a piston rod of the second cylinder (108);
front positioning plates (1074) and rear positioning plates (1075) which are arranged front and back are fixed on the lower positioning plate (1071).
4. The table flip bracket fixture of claim 1, wherein: a door-shaped bracket (110) is formed in the middle of the clamp bottom plate (101);
the door-shaped support (110) is fixed on the rotating shaft (20), a worm wheel (21) is fixed on the rotating shaft (20), a worm (22) is meshed with the lower end of the worm wheel (21), the worm (22) and the rotating shaft (20) are rotatably connected to the supporting seat (23), and a motor (24) for driving the worm (22) to rotate is fixed on the supporting seat (23).
5. The table top tilting bracket fixture of claim 4, wherein: the rotating shaft (20) comprises a first supporting shaft (201) and a second supporting shaft (202) which are coaxially arranged; the first support shaft (201) comprises a first support disc (2011), a first large-diameter shaft (2012), a first small-diameter shaft (2013) and a spline shaft (2014) which are integrally formed; the second support shaft (202) comprises a second support disc (2021) and a second large-diameter shaft (2022) which are integrally formed, and a support hole (2023) matched with the first small-diameter shaft (2013) and a spline hole (2024) matched with the spline shaft (2014) are formed in the second large-diameter shaft (2022);
the first support disc (2011) and the second support disc (2021) are respectively fixed on two side plates of the door-shaped bracket (110) through screws;
the first small-diameter shaft (2013) is inserted and fixed on the worm wheel (21), and the worm wheel (21) is clamped between the end face of the first large-diameter shaft (2012) and the end face of the second large-diameter shaft (2022);
the first large-diameter shaft (2012) and the second large-diameter shaft (2022) are rotatably connected to the supporting seat (23) through bearings.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202320518563.4U CN219617069U (en) | 2023-03-10 | 2023-03-10 | Table plate overturning bracket clamp |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202320518563.4U CN219617069U (en) | 2023-03-10 | 2023-03-10 | Table plate overturning bracket clamp |
Publications (1)
Publication Number | Publication Date |
---|---|
CN219617069U true CN219617069U (en) | 2023-09-01 |
Family
ID=87770728
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202320518563.4U Active CN219617069U (en) | 2023-03-10 | 2023-03-10 | Table plate overturning bracket clamp |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN219617069U (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN117733596A (en) * | 2024-02-21 | 2024-03-22 | 南通市威士真空设备有限公司 | High-efficient end cover anchor clamps based on sharing clamp plate |
-
2023
- 2023-03-10 CN CN202320518563.4U patent/CN219617069U/en active Active
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN117733596A (en) * | 2024-02-21 | 2024-03-22 | 南通市威士真空设备有限公司 | High-efficient end cover anchor clamps based on sharing clamp plate |
CN117733596B (en) * | 2024-02-21 | 2024-05-07 | 南通市威士真空设备有限公司 | High-efficient end cover anchor clamps based on sharing clamp plate |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN219617069U (en) | Table plate overturning bracket clamp | |
CN211728051U (en) | Welding fixture for automobile rear axle | |
CN205571806U (en) | Automobile axle shell presss from both sides tight rotary jig | |
CN211681981U (en) | Turnover device for processing automobile parts | |
CN209986911U (en) | Automobile part turnover device | |
CN214079987U (en) | Welding fixture for vehicle frame assembly | |
CN208961376U (en) | Jig is used in a kind of welding of tubing | |
CN2535157Y (en) | Turn-over rolling sealing machine | |
CN214930248U (en) | Chassis frame turnover mechanism for whole set assembly of electric vehicle | |
CN209919187U (en) | Automobile longitudinal beam strengthening welding tool device | |
CN214080051U (en) | Overturning clamp for welding | |
CN213794905U (en) | Welding device for steel structure | |
CN209867854U (en) | Non-gantry type escalator upper portion guide rail assembly assembling tool | |
CN209850253U (en) | Diaxon rotation and turnover welding position device | |
CN211870631U (en) | Turnover vertical box machine for refrigerator | |
CN209902547U (en) | Overturning welding fixture for large wiring terminal of transformer | |
CN211867174U (en) | Hollow cylindrical mechanical part clamping device | |
CN210084344U (en) | Automobile disassembling tilter device | |
CN111071747A (en) | Turnover vertical box machine for refrigerator | |
CN207642563U (en) | Rope sling positioning fixture for welding | |
CN110773915A (en) | Double-station automatic welding device and method for construction elevator guide rail frame pieces | |
CN220373213U (en) | Turnover tool for assembling gearbox | |
CN221791591U (en) | Basket welding, overturning and clamping device | |
CN221516753U (en) | Auxiliary butt joint device for pressure tank | |
CN215146118U (en) | Auxiliary device for automobile welding assembly fixture assembly |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
GR01 | Patent grant | ||
GR01 | Patent grant |