CN220463680U - Engine cylinder block positioning fixture - Google Patents
Engine cylinder block positioning fixture Download PDFInfo
- Publication number
- CN220463680U CN220463680U CN202321947335.5U CN202321947335U CN220463680U CN 220463680 U CN220463680 U CN 220463680U CN 202321947335 U CN202321947335 U CN 202321947335U CN 220463680 U CN220463680 U CN 220463680U
- Authority
- CN
- China
- Prior art keywords
- vertical side
- side plate
- plate
- sliding
- transverse 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
- 238000001514 detection method Methods 0.000 claims description 12
- 230000001939 inductive effect Effects 0.000 claims description 9
- 239000002184 metal Substances 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 12
- 238000000034 method Methods 0.000 description 6
- 230000006835 compression Effects 0.000 description 3
- 238000007906 compression Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000002826 coolant Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Landscapes
- Jigs For Machine Tools (AREA)
Abstract
The utility model discloses an engine cylinder positioning clamp, which comprises a transverse supporting plate, wherein a first arm and a second arm are respectively arranged at two ends of the transverse supporting plate; the first holding arm comprises a first vertical side plate, and a first sliding block is arranged at the top of the first vertical side plate; the second holding arm comprises a second vertical side plate, and a second sliding block is arranged at the top of the second vertical side plate; the bottom surface of the transverse supporting plate is provided with a sliding rail matched with the first sliding block and the second sliding block along the length direction of the transverse supporting plate; and a clamping cylinder is arranged between the first vertical side plate and the second vertical side plate, the cylinder body of the clamping cylinder is fixedly connected with the first vertical side plate or the second vertical side plate, and the cylinder rod of the clamping cylinder is correspondingly fixedly connected with the second vertical side plate or the first vertical side plate. The utility model has the advantages of good clamping effect, stable operation, high safety and stability and the like, and can automatically detect whether the pin shaft exists at the corresponding position on the engine cylinder body to be clamped.
Description
Technical Field
The utility model relates to the field of automobile engine cylinder block assembly equipment, in particular to an engine cylinder block positioning clamp.
Background
The engine block is a structure comprising a cylinder, a cylinder liner, a coolant channel, etc., which requires a plurality of assembly stations sequentially passing through a block assembly line during assembly. When the engine cylinder body is transferred between every two adjacent assembly stations, the engine cylinder body is clamped by a positioning clamp, and then transferred by a hanger or a lifting appliance.
The existing positioning clamp adopts a hydraulic clamp, and has the problems of complex structural design, multiple clamping points, poor clamping effect and the like. More importantly, the existing positioning fixture cannot detect whether a pin exists or not. In the assembly process of the engine cylinder body, a pin shaft is reserved in a reserved hole of the cylinder body sometimes, and when the positioning clamp clamps and positions the cylinder body, if the pin cannot be detected, interference is easy to occur, so that the clamping and locking effect on the cylinder body is affected, the safety of cylinder body transferring operation is reduced, and the cylinder body is damaged easily.
Disclosure of Invention
Based on the technical problems, the utility model provides an engine cylinder positioning clamp.
The technical scheme adopted by the utility model is as follows:
the engine cylinder body positioning clamp comprises a transverse supporting plate, wherein a first arm is arranged at one end of the bottom of the transverse supporting plate, and a second arm is arranged at the other end of the bottom of the transverse supporting plate;
the first holding arm comprises a first vertical side plate, and a first sliding block is arranged at the top of the first vertical side plate; the second holding arm comprises a second vertical side plate, and a second sliding block is arranged at the top of the second vertical side plate;
the bottom surface of the transverse supporting plate is provided with a sliding rail matched with the first sliding block and the second sliding block along the length direction of the transverse supporting plate;
and a clamping cylinder is arranged between the first vertical side plate and the second vertical side plate, the cylinder body of the clamping cylinder is fixedly connected with the first vertical side plate or the second vertical side plate, and the cylinder rod of the clamping cylinder is correspondingly fixedly connected with the second vertical side plate or the first vertical side plate.
Preferably, a pin presence detection assembly is arranged on the first vertical side plate and/or the second vertical side plate, the pin presence detection assembly comprises a floating plate, the floating plate is vertically arranged, a positioning rod is arranged at the center of the floating plate, and a positioning hole matched with the positioning rod is arranged at the corresponding position of the first vertical side plate or the second vertical side plate;
the end part of the floating plate is connected with the first vertical side plate or the second vertical side plate through a sliding assembly, and the sliding assembly can adjust the interval between the floating plate and the first vertical side plate or the second vertical side plate;
and a proximity sensor for detecting the distance between the floating plate and the first vertical side plate or the second vertical side plate is also arranged on the floating plate.
Preferably, the sliding assembly comprises a positioning shaft and a sliding shaft sleeve, wherein the sliding shaft sleeve is arranged on the outer side of the positioning shaft and can slide back and forth along the positioning shaft;
one end of the positioning shaft is connected with the first vertical side plate or the second vertical side plate, and the extending direction of the positioning shaft is vertical to the first vertical side plate or the second vertical side plate;
the sliding shaft sleeve is fixedly connected with the floating plate;
the other end of the positioning shaft is provided with a cover plate, and a pressure spring is arranged between the cover plate and the sliding shaft sleeve.
Preferably, the proximity sensor is an inductive proximity sensor, and a metal target matched with the inductive proximity sensor is arranged at the position of the first vertical side plate or the second vertical side plate, which is opposite to the inductive proximity sensor.
Preferably, a pneumatic locking device is further arranged at the bottom of the transverse supporting plate, the body of the pneumatic locking device is fixed at the center of the bottom of the transverse supporting plate, and the tail end of the telescopic rod of the pneumatic locking device is connected with the first vertical side plate or the second vertical side plate.
Preferably, the two sliding rails are arranged at two sides of the transverse supporting plate respectively; the first sliding blocks and the second sliding blocks are arranged in an even number and are respectively arranged on two sides of the tops of the first vertical side plates and the second vertical side plates.
Preferably, the two clamping cylinders are arranged in total, and the tail ends of the cylinder rods of the two clamping cylinders are respectively connected to the two ends of the first vertical side plate or the second vertical side plate.
Preferably, a plurality of pin holes are formed in the first vertical side plate and/or the second vertical side plate; and a central through hole is formed in the centers of the first vertical side plate and the second vertical side plate.
Preferably, circular holes are provided on the lateral support plate at intervals along the central line direction thereof.
The beneficial technical effects of the utility model are as follows:
according to the utility model, the first holding arm and the second holding arm are driven to open and close by the clamping cylinder, so that the engine cylinder body can be held tightly, and then the engine cylinder body can be moved to the next installation station by being matched with the hanging frame and the like, the operation is simple and convenient, and the locking effect is good. The utility model adopts the guiding cooperation of the sliding block and the sliding rail, so that the two holding arms stably run and the safety and stability are high.
The pin presence detection assembly is arranged on the inner side of the lower part of the arm, so that automatic detection can be performed on whether the pin shaft exists in the corresponding position on the engine cylinder body to be clamped, on one hand, the clamping and locking effects on the engine cylinder body are ensured, and on the other hand, the cylinder body is prevented from being damaged in the clamping process.
The utility model adopts the cooperation of the positioning shaft and the sliding shaft sleeve, and additionally adopts the compression spring, so that the floating plate can float relative to the vertical side plate, namely the distance is changed, and further, the early warning is realized through the proximity sensor arranged on the floating plate, the structural design is reasonable, and the automatic detection of whether the pin shaft and the like exist on the engine cylinder body or not when the engine cylinder body is positioned and clamped can be realized.
The pneumatic locking device is arranged at the bottom central line of the transverse supporting plate, and after the engine cylinder body is positioned and held tightly by the first holding arm and the second holding arm, external force can be further applied to lock by the pneumatic locking device, so that the locking effect of the positioning clamp on the engine cylinder body is improved, and the safety is higher.
Drawings
The utility model is further described with reference to the drawings and detailed description which follow:
FIG. 1 is a schematic view of the structural principle of the engine block positioning jig of the present utility model;
FIG. 2 is another angular view of FIG. 1;
FIG. 3 is a bottom view of FIG. 1;
FIG. 4 is a view of the forward structure of FIG. 1;
FIG. 5 is a side elevational view of the structure of FIG. 1;
FIG. 6 is a cross-sectional view taken along A-A of FIG. 4, primarily illustrating a schematic structural view of the pin presence detection assembly;
FIG. 7 is an enlarged view of the portion B of FIG. 6;
FIG. 8 is a schematic view of the structure of the transverse support plate of the present utility model;
FIG. 9 is another angular view of FIG. 8;
FIG. 10 is a third angular view of FIG. 8;
FIG. 11 is a schematic view of the structure of the first arm according to the present utility model;
fig. 12 is another angular view of fig. 11.
In the figure: the device comprises a transverse supporting plate 1, a first arm, a second arm, a 4-sliding rail, a 5-clamping cylinder, a 6-engine cylinder body, a 7-pin presence/absence detecting assembly, an 8-pneumatic locking device, a 9-pin hole, a 10-center through hole and an 11-round hole, wherein the transverse supporting plate is provided with a first arm;
201-first vertical side plate, 202-first sliding block, 301-second vertical side plate, 302-second sliding block, 501-cylinder, 502-cylinder rod, 601-locating pin, 701-floating plate, 702-locating rod, 703-locating hole, 704-sliding component, 705-proximity sensor;
7041-positioning shaft, 7042-sliding shaft sleeve, 7043-cover plate and 7044-pressure spring.
Detailed Description
Referring to the drawings, the positioning fixture for the engine cylinder body comprises a transverse supporting plate 1, wherein a first holding arm 2 is arranged at one end of the bottom of the transverse supporting plate 1, and a second holding arm 3 is arranged at the other end of the bottom of the transverse supporting plate 1. The first arm 2 comprises a first vertical side plate 201, and a first sliding block 202 is arranged at the top of the first vertical side plate 201. The second arm 3 includes a second vertical side plate 301, and a second slider 302 is disposed on top of the second vertical side plate 301. A slide rail 4 adapted to the first slider 202 and the second slider 302 is provided on the bottom surface of the lateral support plate 1 in the longitudinal direction thereof. A clamping cylinder 5 is arranged between the first vertical side plate 201 and the second vertical side plate 301, a cylinder body 501 of the clamping cylinder 5 is fixedly connected with the first vertical side plate 201, and a cylinder rod 502 of the clamping cylinder 5 is correspondingly fixedly connected with the second vertical side plate 301.
According to the utility model, the first holding arm 2 and the second holding arm 3 are driven to open and close by the clamping cylinder 5, so that the engine cylinder body 6 can be held tightly, and then the engine cylinder body 6 can be moved to the next installation station by being matched with a hanger or a lifting appliance and the like, so that the operation is simple and convenient, and the locking effect is good. The utility model adopts the guiding cooperation of the sliding block and the sliding rail, so that the two arm holding arms stably run and have high safety and stability.
As a further design of the present utility model, the pin presence/absence detecting assembly 7 is provided on the first vertical side plate 201 and the second vertical side plate 301. The pin presence detection assembly 7 comprises a floating plate 701, wherein the floating plate 701 is vertically arranged, a positioning rod 702 is arranged at the center of the floating plate 701, and a positioning hole 703 matched with the positioning rod is arranged at the corresponding position of the first vertical side plate or the second vertical side plate. The ends of the floating plate 701 are connected to the first or second vertical side plates by a slider assembly 704, the slider assembly 704 being capable of adjusting the spacing between the floating plate and the first or second vertical side plates. A proximity sensor 705 for detecting a distance between the floating plate and the first vertical side plate or the second vertical side plate is also provided on the floating plate 701.
According to the utility model, by arranging the pin presence/absence detection assembly, whether the pin is present at the corresponding position on the engine cylinder body 6 to be clamped or not can be automatically detected, so that the clamping and locking effects on the engine cylinder body are ensured, and the damage to the engine cylinder body in the clamping process can be avoided.
Further, the sliding assembly 704 includes a positioning shaft 7041 and a sliding shaft sleeve 7042, where the sliding shaft sleeve 7042 is sleeved on the outer side of the positioning shaft 7041 and can slide back and forth along the positioning shaft 7041. One end of the positioning shaft 7041 is connected with the first vertical side plate or the second vertical side plate, and the extending direction of the positioning shaft is perpendicular to the first vertical side plate or the second vertical side plate. The sliding sleeve 7042 is fixedly connected to the floating plate 701. A cover plate 7043 is provided at the other end of the positioning shaft 7041, and a compression spring 7044 is provided between the cover plate 7043 and the sliding sleeve 7042.
The utility model adopts the cooperation of the positioning shaft 7041 and the sliding shaft sleeve 7042 and additionally adopts the compression spring 7044, so that the floating plate 701 can float relative to the vertical side plate, namely the distance is changed, and further, the early warning is realized through the proximity sensor 705 arranged on the floating plate, the structural design is reasonable, and the automatic detection of whether a pin shaft and the like exist on the engine cylinder body or not when the engine cylinder body is positioned and clamped can be realized.
The proximity sensor 705 is an inductive proximity sensor, and a metal target matched with the inductive proximity sensor is disposed at a position opposite to the inductive proximity sensor and opposite to the first vertical side plate or the second vertical side plate. Of course other types of proximity sensors may be employed.
Further, a pneumatic locking device 8 is further arranged at the bottom of the transverse supporting plate, the body of the pneumatic locking device is fixed at the center of the bottom of the transverse supporting plate 1, and the tail end of a telescopic rod of the pneumatic locking device 8 is connected with the first vertical side plate or the second vertical side plate. According to the utility model, the pneumatic locking device 8 is arranged at the bottom central line of the transverse supporting plate, after the engine cylinder body 6 is positioned and held tightly by the first holding arm 2 and the second holding arm 3, external force can be further applied to lock by the pneumatic locking device 8, so that the locking effect of the positioning clamp on the engine cylinder body is improved, and the safety is higher.
Further, two slide rails 4 are provided, and are respectively arranged at two sides of the transverse supporting plate 1. The first sliding blocks and the second sliding blocks are all arranged in an even number, such as 4 or 6, and are respectively arranged on two sides of the top of the first vertical side plate and the second vertical side plate. The two clamping cylinders 5 are arranged in total, and the tail ends of the cylinder rods of the two clamping cylinders are respectively connected with the two ends of the second vertical side plate 301. According to the utility model, the running stability and the positioning and clamping effects can be further improved by arranging a plurality of slide rails 4, slide blocks, clamping cylinders 5 and the like.
Further, a plurality of pin holes 9 are provided on the first vertical side plate 201 and the second vertical side plate 301. A center through hole 10 is provided in the center of the first and second vertical side plates 201 and 301. The setting mode can enable the engine cylinder body positioning clamp to be suitable for clamping and fixing of engine cylinders of different types, and has better compatibility.
Further, circular holes 11 are provided on the lateral support plate 1 at intervals in the direction of the center line thereof. The circular hole 11 can play a role in reducing weight and is convenient to connect with a hanging bracket or a lifting appliance and the like.
The working process of the utility model is approximately as follows:
when the engine cylinder body is assembled at the previous station and needs to be transferred to the next station, jacking and positioning are performed through a jacking cylinder at the bottom, and then clamping is performed through a positioning clamp. In the process of clamping the engine cylinder body by the positioning clamp, the first arm holding 2 and the second arm holding 3 are opened in the initial state, when the transverse supporting plate moves in place along with the hanging frame or the hanging tool, the cylinder rod of the clamping cylinder 5 is controlled to retract, then the first vertical side plate 201 can be synchronously driven to slide along the sliding rail 4 through the first sliding block 202, the second vertical side plate 301 slides along the sliding rail 4 through the second sliding block 302, the distance between the first arm holding 2 and the second arm holding 3 is shortened, and the two sides of the engine cylinder body are clamped, so that the engine cylinder body is locked. The pneumatic locking device 8 can be used for further exerting external force to lock, so that the safety is improved. After clamping and positioning, the workpiece is moved to the next station through a hanging bracket or a lifting appliance. Then, the cylinder rod of the clamping cylinder 5 is controlled to extend, and the like, so that the first arm 2 and the second arm 3 can be driven to move reversely, and the engine cylinder body is released.
When the first arm holding 2 and the second arm holding 3 clamp the engine cylinder, the pin shafts on the first arm holding 2 and the second arm holding 3 can be further inserted into the holes on the engine cylinder, so that the positioning and locking effects are improved. When the positioning clamp clamps the engine cylinder body, whether pin shafts exist at corresponding positions on the engine cylinder body to be clamped or not can be automatically detected through the pin existence detection assemblies 7 on the first holding arm 2 and the second holding arm 3, and the process is as follows:
the engine cylinder body is provided with a pin: when the first arm 2 and the second arm 3 are clamped, the positioning pin 601 on the engine cylinder 6 extrudes the positioning rod 702 on the pin presence detection assembly 7 outwards, at the moment, the floating plate 701 also overcomes the elasticity of the pressure spring 7044 on the sliding assembly 704 to outwards move away, and the proximity sensor 705 is far away from the vertical side plate until a signal is lost. At this time, it can be judged that there is a pin on the engine block.
No pin on the engine block: the locating lever 702 is stationary, i.e., is not pressed outward, and accordingly the floating plate 701 is not moved away from the vertical side plate, and the proximity sensor 705 is signaled to indicate no pins on the engine block.
The parts not described in the above modes can be realized by adopting or referring to the prior art.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (9)
1. An engine block positioning fixture which is characterized in that: the device comprises a transverse supporting plate, wherein a first holding arm is arranged at one end of the bottom of the transverse supporting plate, and a second holding arm is arranged at the other end of the bottom of the transverse supporting plate;
the first holding arm comprises a first vertical side plate, and a first sliding block is arranged at the top of the first vertical side plate; the second holding arm comprises a second vertical side plate, and a second sliding block is arranged at the top of the second vertical side plate;
the bottom surface of the transverse supporting plate is provided with a sliding rail matched with the first sliding block and the second sliding block along the length direction of the transverse supporting plate;
and a clamping cylinder is arranged between the first vertical side plate and the second vertical side plate, the cylinder body of the clamping cylinder is fixedly connected with the first vertical side plate or the second vertical side plate, and the cylinder rod of the clamping cylinder is correspondingly fixedly connected with the second vertical side plate or the first vertical side plate.
2. An engine block positioning jig according to claim 1, wherein: the pin presence detection assembly comprises a floating plate, wherein the floating plate is vertically arranged, a positioning rod is arranged at the center of the floating plate, and a positioning hole matched with the positioning rod is formed in the corresponding position of the first vertical side plate or the second vertical side plate;
the end part of the floating plate is connected with the first vertical side plate or the second vertical side plate through a sliding assembly, and the sliding assembly can adjust the interval between the floating plate and the first vertical side plate or the second vertical side plate;
and a proximity sensor for detecting the distance between the floating plate and the first vertical side plate or the second vertical side plate is also arranged on the floating plate.
3. An engine block positioning jig according to claim 2, wherein: the sliding assembly comprises a positioning shaft and a sliding shaft sleeve, and the sliding shaft sleeve is arranged on the outer side of the positioning shaft and can slide back and forth along the positioning shaft;
one end of the positioning shaft is connected with the first vertical side plate or the second vertical side plate, and the extending direction of the positioning shaft is vertical to the first vertical side plate or the second vertical side plate;
the sliding shaft sleeve is fixedly connected with the floating plate;
the other end of the positioning shaft is provided with a cover plate, and a pressure spring is arranged between the cover plate and the sliding shaft sleeve.
4. An engine block positioning jig according to claim 2, wherein: the proximity sensor is an inductive proximity sensor, and a metal target matched with the inductive proximity sensor is arranged at the position of the first vertical side plate or the second vertical side plate, which is opposite to the inductive proximity sensor.
5. An engine block positioning jig according to claim 1, wherein: the bottom of the transverse supporting plate is also provided with a pneumatic locking device, the body of the pneumatic locking device is fixed at the bottom center of the transverse supporting plate, and the tail end of a telescopic rod of the pneumatic locking device is connected with the first vertical side plate or the second vertical side plate.
6. An engine block positioning jig according to claim 1, wherein: the two sliding rails are arranged at two sides of the transverse supporting plate respectively; the first sliding blocks and the second sliding blocks are arranged in an even number and are respectively arranged on two sides of the tops of the first vertical side plates and the second vertical side plates.
7. An engine block positioning jig according to claim 1, wherein: the clamping cylinders are arranged in two, and the tail ends of cylinder rods of the two clamping cylinders are respectively connected to the two ends of the first vertical side plate or the two ends of the second vertical side plate.
8. An engine block positioning jig according to claim 1, wherein: a plurality of pin holes are formed in the first vertical side plate and/or the second vertical side plate; and a central through hole is formed in the centers of the first vertical side plate and the second vertical side plate.
9. An engine block positioning jig according to claim 1, wherein: circular holes are arranged on the transverse supporting plate at intervals along the central line direction of the transverse supporting plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321947335.5U CN220463680U (en) | 2023-07-24 | 2023-07-24 | Engine cylinder block positioning fixture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321947335.5U CN220463680U (en) | 2023-07-24 | 2023-07-24 | Engine cylinder block positioning fixture |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220463680U true CN220463680U (en) | 2024-02-09 |
Family
ID=89774616
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321947335.5U Active CN220463680U (en) | 2023-07-24 | 2023-07-24 | Engine cylinder block positioning fixture |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220463680U (en) |
-
2023
- 2023-07-24 CN CN202321947335.5U patent/CN220463680U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107971676B (en) | A kind of weld clamp method of automotive suspension control arm | |
| CN109048435B (en) | multi-station parallel clamping jaw mechanism | |
| CN205023477U (en) | Article move equipment of getting and overturning | |
| CN102650537A (en) | Positioning and self-locking clamping device | |
| CN109625951B (en) | Movable high-precision tire transferring device | |
| CN211680685U (en) | Avoidable positioning and clamping mechanism | |
| CN111044372A (en) | Drawing force testing device for sensor and using method thereof | |
| CN220463680U (en) | Engine cylinder block positioning fixture | |
| CN110239690B (en) | Quick laying tool for ship launching slide plate | |
| CN109727684B (en) | Control rod assembly moving body clamping structure and stroke detection device | |
| CN111156014A (en) | Shield constructs quick-witted hobbing cutter tool changing device | |
| CN217006820U (en) | Piston shaft detection device | |
| CN217513391U (en) | Section bar processing equipment of engineering machinery | |
| CN110436334B (en) | C-shaped lifting appliance with locking function | |
| CN216966777U (en) | High-mobility welding fixture convenient to move | |
| CN112476287A (en) | Clamping device for detecting automobile fastening part | |
| CN109465846B (en) | Flexible tongs device for robot | |
| CN114348898B (en) | Maintenance lifting device for rail hanging robot | |
| CN111791251A (en) | Fixture device suitable for robot to convey engine cylinder block | |
| CN221160040U (en) | Horizontal special plane is with adds clamping apparatus | |
| CN114559468B (en) | Industrial robot connecting rod rigidity testing device | |
| CN220446234U (en) | Automobile part detection clamp | |
| CN213737491U (en) | Coil gripper | |
| CN219433043U (en) | Groove type car door limiting arm machining clamp | |
| CN212822397U (en) | Anchor cable grout outlet forming machine |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |