CN212843266U - Detection apparatus for car seat headrest guide - Google Patents
Detection apparatus for car seat headrest guide Download PDFInfo
- Publication number
- CN212843266U CN212843266U CN202021668490.XU CN202021668490U CN212843266U CN 212843266 U CN212843266 U CN 212843266U CN 202021668490 U CN202021668490 U CN 202021668490U CN 212843266 U CN212843266 U CN 212843266U
- Authority
- CN
- China
- Prior art keywords
- positioning
- plate
- guide
- locating
- blocks
- 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
Landscapes
- Seats For Vehicles (AREA)
- Chair Legs, Seat Parts, And Backrests (AREA)
Abstract
The utility model relates to a detection apparatus for car seat headrest guide. Two first locating blocks of the detection device are oppositely arranged on the base, each first locating block is provided with a locating groove, the locating grooves are matched with the guide bodies in shape, two second locating blocks are oppositely arranged on the base, the first locating surfaces of the second locating blocks are arranged along the horizontal direction, the first locating surfaces of the second locating blocks are arranged at the bottoms of the locating grooves of the corresponding first locating blocks, the second locating surfaces of the second locating blocks are arranged along the vertical direction, one side of the second locating surfaces of the second locating blocks, which is tightly attached to the corresponding locating grooves of the first locating blocks, the hook portions of the locating grooves are arranged on one side of each locating groove, the third locating blocks are arranged on the top surface of the base, and the two ends of each third locating block are respectively arranged on the other sides of the two locating grooves. The utility model discloses can detect the affirmation fast to the assembly and the functional stable use of car seat headrest guide, have fine practicality.
Description
Technical Field
The utility model belongs to the car assembly tool especially relates to a detection apparatus of car seat headrest guide.
Background
With the rapid development of the automobile industry, the requirements of automobile parts are higher and higher. The headrest of the car seat is an important part of the interior of the car, and directly affects the movement positioning of the headrest of the seat and the comfort of passengers, so the requirements on the size, the specification and the like of the headrest of the car seat are high.
The guide piece of car seat headrest is the mechanism that control headrest goes up and down, and it need detect its assembly, functional stable use in process of production, relies on measuring tool and sense organ experience to judge whether qualified among the prior art more, causes inefficiency to product inspection, judges risk such as erroneous judgement, and it is higher to operating personnel technical ability requirement simultaneously, is unfavorable for guaranteeing the stable production of product.
SUMMERY OF THE UTILITY MODEL
To the problem that above-mentioned prior art exists, the utility model provides a detection device of car seat headrest guide to solve among the prior art car seat headrest and examine time measuring to its assembly, functional stable use in process of production, the inefficiency that causes, judge the risk that has the erroneous judgement, and be unfavorable for guaranteeing the technical problem of product stable production.
The utility model discloses a following technical scheme realizes above-mentioned purpose:
the detection device for the automobile seat headrest guide comprises two guide bodies and a connecting rod, wherein the two guide bodies are arranged oppositely, each guide body is in a hook shape, each guide body comprises a first connecting rod, a second connecting rod and a third connecting rod which are sequentially connected, the third connecting rod is a hook-shaped hook part, and the end parts of the third connecting rods of the two guide bodies are connected through the connecting rod;
the detection device comprises
A base;
the two first positioning blocks are oppositely arranged on the base, each first positioning block is provided with a positioning groove, and the positioning grooves are matched with the guide bodies in shape;
the two second positioning blocks are oppositely arranged on the base, the second positioning blocks and the first positioning blocks are correspondingly arranged, each second positioning block is provided with a first positioning surface and a second positioning surface, the first positioning surfaces of the second positioning blocks are arranged along the horizontal direction, the first positioning surfaces of the second positioning blocks are arranged at the bottoms of the corresponding positioning grooves of the first positioning blocks, the second positioning surfaces of the second positioning blocks are arranged along the vertical direction, the second positioning surfaces of the second positioning blocks are arranged in a manner of being tightly attached to one sides of the corresponding positioning grooves of the first positioning blocks, and one sides of the positioning grooves are hook parts of the positioning grooves;
and the third positioning block is arranged on the top surface of the base, and two ends of the third positioning block are respectively arranged on the other sides of the two positioning grooves.
Furthermore, two sides of the bottom of the first positioning block are supported on the base through two opposite supporting blocks.
Further, a plurality of tooth sockets are arranged at intervals on the inner side of the first connecting rod of one of the two guide bodies;
a first groove is formed in the inner side face of one of the two first positioning blocks, and the length of the first groove is larger than the length of the tooth grooves;
the device further comprises a pulling plate, the pulling plate can move in the first groove, and a plurality of detection clamping teeth in one-to-one correspondence with the tooth grooves are arranged on the side face, facing the first positioning block, of the pulling plate.
Further, the device still includes first backup pad, be provided with the first slip hole that link up on the first backup pad, the arm-tie slides and passes first slip hole.
Furthermore, both ends of the length direction of the pulling plate are provided with limit grooves, the length size of each limit groove is larger than the vertical side wall of the first supporting plate, and the vertical side wall of the first supporting plate is movably arranged in the limit grooves.
Preferably, the pulling plate is provided with a pulling hole.
Furthermore, a limiting block is arranged on the base;
the middle part of third locating piece is provided with waist shape hole, the stopper activity sets up in the waist shape hole, the width direction's of stopper size with the width direction's in waist shape hole size is unanimous, the length direction's of stopper size is less than the length direction's in waist shape hole size.
Furthermore, one end of the third positioning block, which faces away from the second positioning block, is connected with a first jacking ball.
Further, the apparatus further comprises:
the second supporting plate is fixedly arranged on the base, the second supporting plate is arranged between the two first positioning plates, a through second sliding hole is formed in the second supporting plate along the length direction of the base, a second groove is formed in the top surface of the second supporting plate, and the shape of the second groove is matched with that of the connecting rod;
a slide plate sliding through the second slide hole;
the connecting plate is vertically and fixedly arranged at one end of the sliding plate, which is back to the third positioning block;
one end of the clamping plate is vertically connected to the top end of the connecting plate, the other end of the clamping plate extends in the direction of the third positioning block along the horizontal direction, the clamping plate is arranged on the top face of the second supporting plate in a sliding mode, and the clamping plate can cover the second groove.
Furthermore, one end of the sliding plate facing the third positioning block is provided with a second jacking ball.
The beneficial effects of the utility model include at least:
the utility model discloses a detection device for automobile seat headrest guiding piece, when detecting the automobile seat headrest guiding piece, two guiding bodies of the guiding piece can be respectively placed in the positioning grooves on two first positioning blocks, and the position of the automobile seat headrest guiding piece on the detection device is positioned through a third positioning block and two second positioning blocks, if the automobile seat headrest guiding piece can be quickly embedded into the positioning groove on the detection device, the automobile seat headrest guiding piece is qualified, thereby the assembly and the functional stable use of the automobile seat headrest guiding piece can be quickly detected and confirmed, the product inspection is standardized, the misjudgment rate of the traditional inspection is reduced, the stability of the normal product is ensured, the inspection efficiency and the production efficiency are improved, the requirement on the skill of an inspector is reduced, and the inspection operability is improved, simple, convenient and quick, improves the popularization and utilization rate and has good practicability.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
Fig. 1 is a schematic structural view of a headrest guide for an automobile seat in the present embodiment;
FIG. 2 is a schematic front view of FIG. 1;
FIG. 3 is a schematic top view of FIG. 1;
fig. 4 is a schematic structural view of a detecting device for a headrest guide of a car seat according to the present embodiment;
FIG. 5 is a top view of FIG. 4;
fig. 6 is a schematic view showing a structure of detecting the headrest guide of the car seat by the detecting device shown in fig. 4.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
First, the present embodiment will be briefly described with respect to a headrest guide for a vehicle seat.
Fig. 1 is a schematic structural view of a headrest guide for an automobile seat in the present embodiment, fig. 2 is a schematic front view of fig. 1, fig. 3 is a schematic top view of fig. 1, and with reference to fig. 1 to 3, the headrest guide for an automobile seat in the present embodiment includes two guide bodies 1 and a connecting rod 2, the two guide bodies 1 are disposed opposite to each other, each guide body 1 is in a hook shape, each guide body 1 includes a first connecting rod 101, a second connecting rod 102, and a third connecting rod 103, which are sequentially connected, the third connecting rod 103 is a hook-shaped hook portion, and ends of the third connecting rods 103 of the two guide bodies 1 are connected through the connecting rod 2.
In this embodiment, the connection between the first link 101 and the second link 102 of the guiding body 1 may be in arc transition, and similarly, the connection between the second link 102 and the third link 103 of the guiding body 1 is in arc transition, and the connection between the two ends of the connecting rod 2 and the third links 103 of the two guiding bodies 1 is in arc transition.
Further, in the present embodiment, a plurality of tooth grooves 3 are provided at intervals inside the first link 101 of one guide body 1 of the two guide bodies 1, and cooperate with a member of the car seat to rapidly adjust the height of the car headrest.
Thirdly, based on above-mentioned car seat headrest guide, this embodiment has designed a detection device to detect above-mentioned car seat headrest guide fast.
Fig. 4 is a schematic structural diagram of a detection device for a headrest guide of an automobile seat in the present embodiment, fig. 5 is a schematic top view of fig. 4, fig. 6 is a schematic structural diagram of the detection device shown in fig. 4 for detecting the headrest guide of the automobile seat, and with reference to fig. 4 to 6, the detection device of the present embodiment includes a base 4, two first positioning blocks 5, two second positioning blocks 6, and a third positioning block 7.
Referring to fig. 4-6, the base 4 of the present embodiment is a plate-shaped carrier for the rest of the components of the detecting device.
With reference to fig. 4-6, two first positioning blocks 5 of the present embodiment are oppositely disposed on the base 4, each first positioning block 5 is provided with a positioning groove 8, and the positioning grooves 8 are matched with the shape of the guide body 1.
In this embodiment, because a plurality of tooth sockets 3 are arranged at intervals on the inner side of the first connecting rod 101 of one of the guide bodies 1, in order to detect the tooth sockets 3, in this embodiment, a first groove 11 is arranged on the inner side surface of one of the first positioning blocks 5 of the two first positioning blocks 5, the length of the first groove 11 is greater than the length values of the plurality of tooth sockets 3, with reference to fig. 4 to 6, the detecting device further includes a pulling plate 12, the pulling plate 12 is movable in the first groove 11, a plurality of detecting latches 13 corresponding to the tooth sockets 3 one by one are arranged on the side surface of the pulling plate 12 facing the first positioning block 5, during detection, the pulling plate 12 is operated to move in the first groove 11, so that the detecting latches 13 correspond to the tooth sockets 3 one by one, and if the detecting latches 13 are correctly embedded with the tooth sockets 3, it is indicated that the tooth sockets 3 meet the requirements.
With reference to fig. 4 to 6, the present embodiment further includes a first supporting plate 14, a through sliding hole 15 is formed in the first supporting plate 14, and the pulling plate 12 slides through the first sliding hole, so that the pulling plate 12 can move in the first groove 11.
Furthermore, with reference to fig. 4 to 6, in this embodiment, the two ends of the pulling plate 12 in the length direction are both provided with the limiting grooves 15, the length dimension of the limiting grooves 15 is greater than the vertical side wall of the first supporting plate 14, and the vertical side wall of the first supporting plate 14 is movably disposed in the limiting grooves 15, so that the moving amplitude of the pulling plate 12 can be limited, and the tooth socket 3 can be conveniently detected.
Optionally, in combination with fig. 4-6, in the present embodiment, the pulling plate 12 is provided with a pulling hole 16 to facilitate the operation of the pulling plate 12.
Referring to fig. 4 to 6, in the present embodiment, both sides of the bottom of the first positioning block 5 are supported on the base 4 by two opposite supporting blocks 11, so that the bottom of the first positioning block 5 is spaced apart from the base 4.
In this embodiment, the supporting block 11 may be fixedly disposed on the base 4 by a screw or a welding connection, and the supporting block 11 may be integrally formed with the first positioning block 5, which is not limited in this embodiment.
With reference to fig. 4-6, in this embodiment, two second positioning blocks 6 are oppositely disposed on the base 4, the second positioning blocks 6 are disposed corresponding to the first positioning blocks 5, each second positioning block 5 has a first positioning surface and a second positioning surface, the first positioning surfaces of the second positioning blocks 5 are disposed along the horizontal direction, the first positioning surfaces of the second positioning blocks 5 are disposed at the bottoms of the positioning grooves 8 of the corresponding first positioning blocks 5, namely, the first positioning surface of the second positioning block 5 is inserted in the distance between the bottom of the first positioning block 5 and the base 4, the first connecting rod 101 is used for supporting the guide piece 1, the second positioning surface of the second positioning block 6 is vertically arranged, the second positioning surface of the second positioning block 5 is tightly attached to one side of the corresponding positioning groove 8 of the first positioning block 5, and the hook part of the positioning groove 8 is arranged on one side of the positioning groove 8 so as to limit the second connecting rod 102 of the guide piece 1.
In this embodiment, the two second positioning blocks 6 may also be fixedly disposed on the base 4 by screws or welding, which is not limited in this embodiment.
Referring to fig. 4 to 6, in the present embodiment, the third positioning block 7 is disposed on the top surface of the base 4, and both ends of the third positioning block 7 are disposed on the other sides of the two positioning grooves 8, respectively, so that the length of the guide member can be detected.
Further, with reference to fig. 4-6, in this embodiment, a limiting block 17 is disposed on the base 4, a waist-shaped hole 9 is disposed in the middle of the third positioning block 7, the limiting block 17 is movably disposed in the waist-shaped hole 9, the dimension of the limiting block 17 in the width direction is consistent with the dimension of the waist-shaped hole 9 in the width direction, the dimension of the limiting block 17 in the length direction is smaller than the dimension of the waist-shaped hole 9 in the length direction, this allows the third positioning block 7 to be moved on the base 4, which, when placing the guide on the detection device, the third positioning block 7 can be moved to the farthest distance from the first positioning block 5 so as to facilitate the placement of the guide member, after the guide member is placed on the detection device, the third positioning block 7 is operated, if the third positioning block 7 can move to the shortest distance from the first positioning block 5, and if not, confirming that the length dimension of the guide piece is not qualified.
In addition, referring to fig. 4-6, in this embodiment, a second ball 10 is connected to an end of the third positioning block 7 opposite to the first positioning block 5, so as to facilitate the operation of the third positioning block 7.
Further, with reference to fig. 4-6, the detecting apparatus further includes a second supporting plate 18, a sliding plate 19, a connecting plate 20, and a clamping plate 21, the second supporting plate 18 is fixedly disposed on the base 4, the second supporting plate 18 is disposed between the two first positioning plates 5, the second supporting plate 18 is provided with a through second sliding hole along the length direction of the base, a second groove 22 is disposed on the top surface of the second supporting plate 18, the shape of the second groove 22 matches the shape of the connecting rod 2, the sliding plate 18 slides through the second sliding hole, the connecting plate 20 is vertically and fixedly disposed at one end of the sliding plate 18 facing away from the third positioning block 7, one end of the clamping plate 21 is vertically connected to the top end of the connecting plate 20, the other end of the clamping plate 21 extends along the horizontal direction toward the third positioning block 7, the clamping plate 21 is slidably disposed on the top surface of the second supporting plate 18, and the clamping plate 18 can cover the second groove 22, when the guide need place on detection device, operate slide 19 earlier, make cardboard 18 not cover second recess 22, in order to make things convenient for the guide to put into on detection device, when the guide is placed on detection device, operation slide 19, if cardboard 18 can cover second recess 22 fast, then confirm that connecting rod 2 of guide meets the requirements, otherwise, confirm that connecting rod 2 of guide is not conform to the requirements, in order to realize the detection to connecting rod 2 of guide, convenient and fast.
Further, in the present embodiment, with reference to fig. 4 to 6, a second ball 23 is disposed at an end of the sliding plate 19 facing the third positioning block 7 to facilitate the operation of the sliding plate 19.
In summary, in the detection device for the headrest guide of the car seat according to the embodiment, when the headrest guide of the car seat is detected, the two guide bodies of the guide can be respectively placed in the positioning grooves on the two first positioning blocks, and the position of the headrest guide of the car seat on the detection device is positioned through the third positioning block and the two second positioning blocks, if the headrest guide of the car seat can be quickly embedded into the positioning groove on the detection device, the headrest guide of the car seat is qualified, so that the assembly and the stable functional use of the headrest guide of the car seat can be quickly detected and confirmed, the product inspection is standardized, the misjudgment rate of the traditional inspection is reduced, the stability of the normal product is ensured, the inspection efficiency and the production efficiency are improved, the requirement on skills of inspectors is reduced, and the inspection operability is improved, simple, convenient and quick, improves the popularization and utilization rate and has good practicability.
The above embodiment is the preferred embodiment of the present invention, which is only used to facilitate the explanation of the present invention, it is not right to the present invention, which makes the limitation of any form, any of the commonly known people in the technical field, if the present invention does not depart from the technical features of the present invention, the present invention utilizes the present invention to make the equivalent embodiment of local change or modification, and does not depart from the technical features of the present invention, which all still belongs to the technical features of the present invention.
Claims (10)
1. The detection device for the automobile seat headrest guide piece is characterized in that the automobile seat headrest guide piece comprises two guide bodies and a connecting rod, the two guide bodies are arranged oppositely, each guide body is in a hook shape, each guide body comprises a first connecting rod, a second connecting rod and a third connecting rod which are sequentially connected, the third connecting rod is a hook-shaped hook part, and the end parts of the third connecting rods of the two guide bodies are connected through the connecting rod;
the detection device comprises
A base;
the two first positioning blocks are oppositely arranged on the base, each first positioning block is provided with a positioning groove, and the positioning grooves are matched with the guide bodies in shape;
the two second positioning blocks are oppositely arranged on the base, the second positioning blocks and the first positioning blocks are correspondingly arranged, each second positioning block is provided with a first positioning surface and a second positioning surface, the first positioning surfaces of the second positioning blocks are arranged along the horizontal direction, the first positioning surfaces of the second positioning blocks are arranged at the bottoms of the corresponding positioning grooves of the first positioning blocks, the second positioning surfaces of the second positioning blocks are arranged along the vertical direction, the second positioning surfaces of the second positioning blocks are arranged in a manner of being tightly attached to one sides of the corresponding positioning grooves of the first positioning blocks, and one sides of the positioning grooves are hook parts of the positioning grooves;
and the third positioning block is arranged on the top surface of the base, and two ends of the third positioning block are respectively arranged on the other sides of the two positioning grooves.
2. The detecting device for the headrest guide of the car seat as claimed in claim 1, wherein both sides of the bottom of said first positioning block are supported on said base by two opposite supporting blocks.
3. The detecting device for the headrest guide of the car seat according to claim 1, wherein a plurality of tooth grooves are formed at intervals inside the first link of one of the two guide bodies;
a first groove is formed in the inner side face of one of the two first positioning blocks, and the length of the first groove is larger than the length of the tooth grooves;
the device further comprises a pulling plate, the pulling plate can move in the first groove, and a plurality of detection clamping teeth in one-to-one correspondence with the tooth grooves are arranged on the side face, facing the first positioning block, of the pulling plate.
4. The apparatus for detecting the headrest guide of the car seat according to claim 3, further comprising a first support plate having a first sliding hole formed therethrough, wherein the pull plate slides through the first sliding hole.
5. The detecting device for the headrest guide of the car seat according to claim 4, wherein both ends of the pulling plate in the length direction are provided with a limiting groove, the length dimension of the limiting groove is larger than the vertical side wall of the first supporting plate, and the vertical side wall of the first supporting plate is movably disposed in the limiting groove.
6. The apparatus for detecting the headrest guide of the car seat according to claim 3, wherein the pulling plate is provided with a pulling hole.
7. The detecting device for the headrest guide of the car seat according to claim 1, wherein a stopper is provided on the base;
the middle part of third locating piece is provided with waist shape hole, the stopper activity sets up in the waist shape hole, the width direction's of stopper size with the width direction's in waist shape hole size is unanimous, the length direction's of stopper size is less than the length direction's in waist shape hole size.
8. The detecting device for the headrest guide of the car seat according to claim 7, wherein a first knock ball is connected to an end of the third positioning block facing away from the second positioning block.
9. The detecting device of the headrest guide for the vehicle seat according to any one of claims 1 to 8, further comprising:
the second supporting plate is fixedly arranged on the base, the second supporting plate is arranged between the two first positioning plates, a through second sliding hole is formed in the second supporting plate along the length direction of the base, a second groove is formed in the top surface of the second supporting plate, and the shape of the second groove is matched with that of the connecting rod;
a slide plate sliding through the second slide hole;
the connecting plate is vertically and fixedly arranged at one end of the sliding plate, which is back to the third positioning block;
one end of the clamping plate is vertically connected to the top end of the connecting plate, the other end of the clamping plate extends in the direction of the third positioning block along the horizontal direction, the clamping plate is arranged on the top face of the second supporting plate in a sliding mode, and the clamping plate can cover the second groove.
10. The detecting device for the headrest guide of the car seat according to claim 9, wherein an end of the slide plate facing the third positioning block is provided with a second knock ball.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021668490.XU CN212843266U (en) | 2020-08-12 | 2020-08-12 | Detection apparatus for car seat headrest guide |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021668490.XU CN212843266U (en) | 2020-08-12 | 2020-08-12 | Detection apparatus for car seat headrest guide |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212843266U true CN212843266U (en) | 2021-03-30 |
Family
ID=75132885
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021668490.XU Active CN212843266U (en) | 2020-08-12 | 2020-08-12 | Detection apparatus for car seat headrest guide |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212843266U (en) |
-
2020
- 2020-08-12 CN CN202021668490.XU patent/CN212843266U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN212843266U (en) | Detection apparatus for car seat headrest guide | |
| CN108061502B (en) | Slippage detection mechanism and front air window opening size detection tool | |
| CN212843292U (en) | Detection apparatus for car seat headrest guide | |
| CN212843265U (en) | Detection apparatus for car seat headrest guide | |
| CN212824967U (en) | Detection apparatus for car seat headrest guide | |
| CN212843263U (en) | Detection apparatus for car seat headrest guide | |
| CN212843264U (en) | Detection apparatus for car seat headrest guide | |
| CN212843357U (en) | Detection apparatus for car seat headrest guide | |
| CN108489534A (en) | A kind of radiator detection device | |
| CN104567621A (en) | Trapezoidal aluminum tube detection tool | |
| CN113252484A (en) | Comprehensive detection device for rail steel structural member | |
| CN207649518U (en) | Automobile seat supporter hole diameter detection apparatus | |
| CN216385344U (en) | Detection device for luer connector | |
| CN214537727U (en) | Car trunk door contour and through hole detection tool | |
| CN217637075U (en) | High-efficient swift back row seat detection device | |
| CN216977683U (en) | Quick size inspection three-dimensional clamping frock | |
| CN205300427U (en) | Utensil is examined to automobile -used face guard assembly | |
| CN210441803U (en) | Motor upper cover checking fixture | |
| CN221173848U (en) | Mouse touch pad hand-feel tester with self-shifting function | |
| CN212778959U (en) | Detection tool for armrest supporting frame | |
| CN211668382U (en) | A position degree short-term test device for machining | |
| CN109931833B (en) | Size checking fixture for workpiece with irregular shape | |
| CN213208876U (en) | Slide rail type tooth-shaped detection tool | |
| CN212459951U (en) | High security circuit board testing arrangement | |
| CN217465577U (en) | Utensil is examined to support is cut to car water |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |