CN220748877U - Hydraulic disc brake caliper - Google Patents
Hydraulic disc brake caliper Download PDFInfo
- Publication number
- CN220748877U CN220748877U CN202322374025.5U CN202322374025U CN220748877U CN 220748877 U CN220748877 U CN 220748877U CN 202322374025 U CN202322374025 U CN 202322374025U CN 220748877 U CN220748877 U CN 220748877U
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- piston body
- braking
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- 239000007788 liquid Substances 0.000 claims abstract description 23
- 239000003921 oil Substances 0.000 abstract description 71
- 239000010720 hydraulic oil Substances 0.000 abstract description 12
- 230000000694 effects Effects 0.000 abstract description 7
- 238000000034 method Methods 0.000 description 7
- 230000005540 biological transmission Effects 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 238000007792 addition Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000009434 installation Methods 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
Abstract
The utility model belongs to the technical field of brakes, and particularly relates to a caliper of a liquid disc brake. The utility model includes a brake caliper piston outer housing. When the braking of the vehicle is required, hydraulic oil is injected into the piston outer shell of the brake caliper through the oil delivery connecting piece, the main piston body is pushed to move towards the position close to the brake disc, so that the main friction braking part is contacted with the brake disc to finish braking, when the braking of the main piston body fails, the hydraulic oil is injected into the piston outer shell of the brake caliper through the oil delivery connecting piece, the auxiliary emergency braking safety component is pushed to move towards the position close to the brake disc to contact with the brake disc to finish emergency auxiliary braking, and the double-hydraulic braking structure is adopted, so that the driving safety of the vehicle is greatly improved, meanwhile, the main piston body and the auxiliary emergency braking safety component can simultaneously perform braking operation, the braking contact area between the main piston body and the brake disc can be increased during braking, the braking effect is improved, and the practicability is higher.
Description
Technical Field
The utility model belongs to the technical field of brakes, and relates to a caliper of a liquid disc brake.
Background
A brake is a device having a function of decelerating, stopping, or maintaining a stopped state of a moving member (or a moving machine). Is a mechanical part that stops or slows down a moving part in a machine. Commonly known as brakes. The brake mainly comprises a base, a braking piece, an operating device and the like. In a vehicle braking system, a hydraulic braking structure is adopted in many cases, wherein a disc brake is good in braking effect, large in strength and wide in application. In the use process of the existing hydraulic disc brake device, after a hydraulic oil way has a problem, the emergency brake is difficult to complete once the brake piston of the hydraulic disc brake device fails, the safety of vehicle running is common, and an auxiliary emergency brake structure is lacked to achieve an emergency brake effect. There is therefore a great need to design a liquid disc brake caliper that overcomes the above drawbacks.
In order to overcome the defects in the prior art, people have continuously explored and put forward various solutions, such as chinese patent discloses a disc brake [ application number: 201310516525.6] the device comprises a housing; a brake pad; a hollow piston connected with the brake pad; a rod extending into the piston chamber, the rod having a thread, the rod being rotatable about and displaceable along the rod axis between a braking position and a non-braking position; a screw engagement rod having a gear engaged with the screw thread, a gear shaft being transverse to the rod shaft, the screw engagement rod being rotated about the gear shaft to drive the rod to simultaneously rotate about the rod shaft and to axially displace the rod relative to the housing along the rod shaft; and a driving unit connected to the screw joint rod.
Disclosure of Invention
The object of the present utility model is to solve the above problems and to provide a liquid disc brake caliper.
In order to achieve the above purpose, the present utility model adopts the following technical scheme:
the utility model provides a liquid disc brake calliper, includes brake calliper piston shell, brake calliper piston shell in be equipped with the main piston body that can follow horizontal direction reciprocating rectilinear motion, main piston body on be equipped with main friction braking portion, brake calliper piston shell keep away from main piston body one end and be equipped with the oil transportation connecting piece, brake calliper piston shell in still be equipped with auxiliary type emergency braking safety component, auxiliary type emergency braking safety component and main piston body crisscross the setting, auxiliary type emergency braking safety component and the position of oil transportation connecting piece correspond.
In the above-mentioned hydraulic disc brake caliper, auxiliary type emergency braking safety component including setting up in the auxiliary braking piston body of brake caliper piston shell body, the transversal annular of auxiliary braking piston body, auxiliary braking piston body on be equipped with auxiliary friction braking portion, auxiliary friction braking portion and main friction braking portion crisscross setting.
In the above-mentioned liquid disc brake caliper, the auxiliary friction braking portion include the fixed annular plate of friction disc that sets up on auxiliary braking piston body, fixed annular plate of friction disc keep away from auxiliary braking piston body one end and be equipped with auxiliary friction disc, the transversal annular of personally submitting of auxiliary friction disc.
In the above-mentioned liquid disc brake calliper, the oil transportation connecting piece including set up in the oil transportation coupling housing of brake calliper piston shell department of keeping away from main piston body one end department, the oil transportation coupling housing in be equipped with supplementary oil duct, brake calliper piston shell in be equipped with supplementary oil pressure chamber, supplementary oil duct be linked together with supplementary oil pressure chamber, supplementary oil pressure chamber just to setting with supplementary braking piston body, the transversal annular of personally submitting of supplementary oil pressure chamber.
In the caliper of the liquid disc brake, the auxiliary brake piston body is provided with the lateral elastic limiting piece, and the lateral elastic limiting piece is in sliding fit with the outer shell of the caliper piston.
In the above-mentioned liquid disc brake caliper, the lateral part elastic limiting piece include the lateral part stopper that sets up on auxiliary brake piston body, lateral part stopper and brake caliper piston shell body sliding fit, lateral part stopper and brake caliper piston shell body between be equipped with first spring.
In the caliper of the liquid disc brake, the main friction braking part comprises a friction plate fixing table arranged on the main piston body, one end, far away from the main piston body, of the friction plate fixing table is provided with the main friction plate, and the main friction plate and the auxiliary friction plate are arranged in a staggered mode.
In the caliper of the liquid disc brake, the oil delivery connecting shell is internally provided with the main oil delivery channel, the piston outer shell of the caliper of the brake is internally provided with the main oil pressure cavity, the main oil delivery channel is communicated with the main oil pressure cavity, and the main oil pressure cavity is opposite to the main piston body.
In the caliper of the liquid disc brake, the main piston body is provided with the multi-rod elastic limiting piece, and the multi-rod elastic limiting piece extends into the oil transportation connecting shell and is in sliding fit with the oil transportation connecting shell.
In the above-mentioned liquid disc brake calliper, the multi-rod elastic limiting piece including setting up a plurality of connection slide bars on the main piston body, connection slide bar extend and pass through to the oil transportation in connect the casing, the oil transportation connect and be equipped with the middle part stopper in the casing, the middle part stopper link to each other with connection slide bar, middle part stopper and oil transportation connect and be equipped with the second spring between the casing.
Compared with the prior art, the utility model has the advantages that:
according to the utility model, the brake caliper piston outer shell is arranged at the position of the brake disc, the main piston body and the auxiliary emergency braking safety component are opposite to the brake disc, when a vehicle is required to be braked, hydraulic oil is injected into the brake caliper piston outer shell through the oil transmission connecting piece, the main piston body is pushed to move towards the position close to the brake disc, so that the main friction braking part is contacted with the brake disc to complete braking, when the brake of the main piston body fails, hydraulic oil is injected into the brake caliper piston outer shell through the oil transmission connecting piece, the auxiliary emergency braking safety component is pushed to move towards the position close to the brake disc and is contacted with the brake disc to complete emergency auxiliary braking, and by adopting a double-hydraulic braking structure, the driving safety of the vehicle is greatly improved, meanwhile, the main piston body and the auxiliary emergency braking safety component can also simultaneously perform braking operation, and the braking contact area between the main piston body and the brake disc can be increased during braking, so that the braking effect is improved, and the practicability is strong.
Additional advantages, objects, and features of the utility model will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the utility model.
Drawings
Fig. 1 is a schematic structural view of the present utility model.
Fig. 2 is a schematic installation view of the present utility model.
FIG. 3 is a schematic cross-sectional view of the brake caliper piston outer housing.
Fig. 4 is a schematic cross-sectional view of an auxiliary brake piston body.
In the figure: the brake caliper comprises a brake caliper piston outer shell 1, a main piston body 2, a main friction braking part 3, an oil transportation connecting piece 4, an auxiliary emergency braking safety assembly 5, an auxiliary brake piston body 6, an auxiliary friction braking part 7, a friction plate fixing ring plate 8, an auxiliary friction plate 9, an oil transportation connecting shell 10, an auxiliary oil transportation channel 11, an auxiliary oil pressure cavity 12, a side elastic limiting piece 13, a side limiting piece 14, a first spring 15, a friction plate fixing table 16, a main friction plate 17, a main oil transportation channel 18, a main oil pressure cavity 19, a multi-rod elastic limiting piece 20, a connecting sliding rod 21, a middle limiting piece 22, a second spring 23 and a brake disc 100.
Detailed Description
The utility model is further described below with reference to the accompanying drawings.
As shown in fig. 1-4, a liquid disc brake caliper comprises a brake caliper piston outer shell 1, a main piston body 2 capable of reciprocating and linearly moving along the horizontal direction is arranged in the brake caliper piston outer shell 1, a main friction braking part 3 is arranged on the main piston body 2, an oil transportation connecting piece 4 is arranged at one end, far away from the main piston body 2, of the brake caliper piston outer shell 1, an auxiliary emergency braking safety assembly 5 is further arranged in the brake caliper piston outer shell 1, the auxiliary emergency braking safety assembly 5 and the main piston body 2 are arranged in a staggered mode, and the auxiliary emergency braking safety assembly 5 corresponds to the oil transportation connecting piece 4 in position.
In this embodiment, the brake caliper piston housing 1 is mounted to the brake disc 100, the main piston body 2 and the auxiliary emergency braking safety assembly 5 are opposite to the brake disc 100, when the vehicle needs to be braked, hydraulic oil is injected into the brake caliper piston housing 1 through the oil delivery connecting piece 4, the main piston body 2 is pushed to move towards the position close to the brake disc 100, so that the main friction braking part 3 contacts with the brake disc 100 to complete braking, when the main piston body 2 fails in braking, hydraulic oil is injected into the brake caliper piston housing 1 through the oil delivery connecting piece 4, the auxiliary emergency braking safety assembly 5 is pushed to move towards the position close to the brake disc 100 to contact with the brake disc 100, emergency auxiliary braking is completed, and by adopting a double-hydraulic braking structure, the safety of the vehicle running is greatly improved, meanwhile, the main piston body 2 and the auxiliary emergency braking safety assembly 5 can simultaneously perform braking operation, and the braking contact area with the brake disc 100 can be increased during braking, the braking effect is improved, and the practicability is strong.
Referring to fig. 1-4, the auxiliary emergency braking safety assembly 5 comprises an auxiliary braking piston body 6 arranged in a brake caliper piston outer shell 1, the cross section of the auxiliary braking piston body 6 is annular, an auxiliary friction braking part 7 is arranged on the auxiliary braking piston body 6, and the auxiliary friction braking part 7 and the main friction braking part 3 are arranged in a staggered mode.
Specifically speaking, when main piston body 2 braking is malfunctioning, pour into the hydraulic oil into brake calliper piston shell body 1 through defeated oil connector 4 this moment into, promote auxiliary braking piston body 6 and move to being close to brake disc 100 department for auxiliary friction braking portion 7 contacts with brake disc 100, accomplishes urgent auxiliary braking, adopts two hydraulic braking structures, has improved the security that the vehicle was gone greatly, and main piston body 2 and auxiliary braking piston body 6 still can carry out braking work simultaneously, can increase the braking area of contact with brake disc 100 during the simultaneous braking, improves braking effect, and the practicality is stronger.
The auxiliary friction braking portion 7 comprises a friction plate fixing ring plate 8 arranged on the auxiliary braking piston body 6, an auxiliary friction plate 9 is arranged at one end, far away from the auxiliary braking piston body 6, of the friction plate fixing ring plate 8, and the cross section of the auxiliary friction plate 9 is annular.
In this embodiment, the friction plate fixing ring plate 8 is used to mount and fix the auxiliary friction plate 9, and when auxiliary braking is performed, the auxiliary friction plate 9 contacts with the brake disc 100, so as to complete auxiliary braking.
Referring to fig. 1 and 3, the oil delivery connector 4 includes an oil delivery connection housing 10 disposed at one end of a brake caliper piston housing 1 away from a main piston body 2, an auxiliary oil delivery passage 11 is disposed in the oil delivery connection housing 10, an auxiliary oil pressure cavity 12 is disposed in the brake caliper piston housing 1, the auxiliary oil delivery passage 11 is communicated with the auxiliary oil pressure cavity 12, the auxiliary oil pressure cavity 12 is opposite to the auxiliary brake piston body 6, and the cross section of the auxiliary oil pressure cavity 12 is annular.
In the present embodiment, when it is necessary to move the auxiliary brake piston body 6, hydraulic oil is fed from the auxiliary oil feed passage 11 into the auxiliary oil pressure chamber 12, and the auxiliary brake piston body 6 is hydraulically pushed.
The auxiliary brake piston body 6 is provided with a lateral elastic limiting piece 13, and the lateral elastic limiting piece 13 is in sliding fit with the brake caliper piston outer shell 1.
In this embodiment, in the process of moving the auxiliary brake piston body 6, the side elastic limiting member 13 plays a role in limiting the auxiliary brake piston body 6, and the side elastic limiting member 13 can assist the auxiliary brake piston body 6 to automatically reset after braking is completed.
Referring to fig. 1, the side elastic limiting member 13 includes a side limiting member 14 disposed on the auxiliary brake piston body 6, the side limiting member 14 is slidably matched with the brake caliper piston outer shell 1, and a first spring 15 is disposed between the side limiting member 14 and the brake caliper piston outer shell 1.
In this embodiment, in the process of moving the auxiliary brake piston body 6, the side limiting block 14 plays a role in limiting the auxiliary brake piston body 6, and the first spring 15 can assist the auxiliary brake piston body 6 to automatically reset after braking is completed.
The main friction braking portion 3 comprises a friction plate fixing table 16 arranged on the main piston body 2, a main friction plate 17 is arranged at one end, far away from the main piston body 2, of the friction plate fixing table 16, and the main friction plate 17 and the auxiliary friction plate 9 are arranged in a staggered mode.
In this embodiment, the friction plate fixing table 16 is used for fixedly connecting the main friction plate 17, and when the main brake is performed, the main friction plate 17 contacts the brake disc 100 to complete the main brake.
As shown in fig. 1-3, the oil delivery connection housing 10 is provided with a main oil delivery channel 18, the brake caliper piston housing 1 is provided with a main oil pressure cavity 19, the main oil delivery channel 18 is communicated with the main oil pressure cavity 19, and the main oil pressure cavity 19 is opposite to the main piston body 2.
In the present embodiment, when it is necessary to move the main piston body 2, hydraulic oil is fed from the main oil delivery passage 18 into the main oil pressure chamber 19, and the main piston body 2 is hydraulically pushed.
As shown in fig. 1-3, the main piston body 2 is provided with a multi-rod elastic limiting piece 20, and the multi-rod elastic limiting piece 20 extends into the oil delivery connection shell 10 and is in sliding fit with the oil delivery connection shell 10.
In this embodiment, in the moving process of the main piston body 2, the auxiliary braking piston body 6 is limited by the multi-rod elastic limiting piece 20, and the multi-rod elastic limiting piece 20 can assist the main piston body 2 to automatically reset after braking is completed.
Referring to fig. 1-2, the multi-rod elastic limiting member 20 includes a plurality of connecting sliding rods 21 arranged on the main piston body 2, the connecting sliding rods 21 extend into the oil delivery connecting shell 10, a middle limiting block 22 is arranged in the oil delivery connecting shell 10, the middle limiting block 22 is connected with the connecting sliding rods 21, and a second spring 23 is arranged between the middle limiting block 22 and the oil delivery connecting shell 10.
In this embodiment, in the moving process of the main piston body 2, the middle limiting block 22 and the connecting sliding rod 21 play a limiting role on the main piston body 2, and the second spring 23 can assist the main piston body 2 to automatically reset after braking is completed.
The working principle of the utility model is as follows:
the main friction plate 17 and the auxiliary friction plate 9 are opposite to the brake disc 100, when the vehicle is required to be braked, hydraulic oil is input into the main oil pressure cavity 19 from the main oil conveying channel 18, the main piston body 2 is hydraulically pushed, the main friction plate 17 contacts with the brake disc 100 to complete braking, when the braking of the main piston body 2 fails, hydraulic oil is input into the auxiliary oil pressure cavity 12 from the auxiliary oil conveying channel 11, the auxiliary brake piston body 6 is hydraulically pushed, the auxiliary friction plate 9 contacts with the brake disc 100 to complete emergency auxiliary braking, the driving safety of the vehicle is greatly improved by adopting a double-hydraulic braking structure, meanwhile, the main piston body 2 and the auxiliary brake piston body 6 can simultaneously perform braking work, the braking contact area between the main piston body 2 and the brake disc 100 can be increased during braking, the braking effect is improved, and the practicability is stronger,
the friction plate fixing ring plate 8 is used for installing and fixing the auxiliary friction plate 9, when auxiliary braking is carried out, the auxiliary friction plate 9 is contacted with the brake disc 100 to complete auxiliary braking,
in the process of moving the auxiliary brake piston body 6, the side limiting block 14 plays a limiting role on the auxiliary brake piston body 6, and the first spring 15 can assist the auxiliary brake piston body 6 to automatically reset after braking is completed,
the friction plate fixing table 16 is used for fixedly connecting the main friction plate 17, and when the main brake is performed, the main friction plate 17 contacts with the brake disc 100 to complete the main brake,
in the moving process of the main piston body 2, the middle limiting block 22 and the connecting sliding rod 21 play a limiting role on the main piston body 2, and the second spring 23 can assist the main piston body 2 to automatically reset after braking is completed.
The specific embodiments described herein are offered by way of example only to illustrate the spirit of the utility model. Those skilled in the art may make various modifications or additions to the described embodiments or substitutions thereof without departing from the spirit of the utility model.
Although terms of the brake caliper piston outer case 1, the main piston body 2, the main friction brake portion 3, the oil delivery connection 4, the auxiliary emergency brake safety assembly 5, the auxiliary brake piston body 6, the auxiliary friction brake portion 7, the friction plate fixing ring plate 8, the auxiliary friction plate 9, the oil delivery connection case 10, the auxiliary oil delivery passage 11, the auxiliary oil pressure chamber 12, the side elastic stopper 13, the side stopper 14, the first spring 15, the friction plate fixing table 16, the main friction plate 17, the main oil delivery passage 18, the main oil pressure chamber 19, the multi-rod elastic stopper 20, the connection slide rod 21, the middle stopper 22, the second spring 23, the brake disc 100, and the like are used more herein, the possibility of using other terms is not excluded. These terms are only used to more conveniently describe and explain the nature of the utility model and should be construed in a manner consistent with their spirit and scope.
Claims (10)
1. The utility model provides a liquid disc brake calliper, includes brake calliper piston shell body (1), its characterized in that, brake calliper piston shell body (1) in be equipped with can follow the reciprocal rectilinear motion's of horizontal direction main piston body (2), main piston body (2) on be equipped with main friction braking portion (3), brake calliper piston shell body (1) keep away from main piston body (2) one end and be equipped with oil transportation connecting piece (4), brake calliper piston shell body (1) in still be equipped with supplementary formula emergency braking safety subassembly (5), supplementary formula emergency braking safety subassembly (5) and main piston body (2) crisscross the setting, supplementary formula emergency braking safety subassembly (5) correspond with the position of oil transportation connecting piece (4).
2. The hydraulic disc brake caliper according to claim 1, characterized in that the auxiliary emergency brake safety assembly (5) comprises an auxiliary brake piston body (6) arranged in a brake caliper piston outer shell (1), the cross section of the auxiliary brake piston body (6) is annular, an auxiliary friction braking part (7) is arranged on the auxiliary brake piston body (6), and the auxiliary friction braking part (7) and the main friction braking part (3) are arranged in a staggered mode.
3. The caliper of the liquid disc brake according to claim 2, wherein the auxiliary friction braking portion (7) comprises a friction plate fixing ring plate (8) arranged on the auxiliary brake piston body (6), an auxiliary friction plate (9) is arranged at one end, far away from the auxiliary brake piston body (6), of the friction plate fixing ring plate (8), and the cross section of the auxiliary friction plate (9) is annular.
4. A liquid disc brake caliper according to claim 3, characterized in that the oil delivery connecting piece (4) comprises an oil delivery connecting shell (10) arranged at one end of the brake caliper piston outer shell (1) far away from the main piston body (2), an auxiliary oil delivery channel (11) is arranged in the oil delivery connecting shell (10), an auxiliary oil pressure cavity (12) is arranged in the brake caliper piston outer shell (1), the auxiliary oil delivery channel (11) is communicated with the auxiliary oil pressure cavity (12), the auxiliary oil pressure cavity (12) is opposite to the auxiliary brake piston body (6), and the cross section of the auxiliary oil pressure cavity (12) is annular.
5. A liquid disc brake caliper according to claim 4, characterized in that said auxiliary brake piston body (6) is provided with lateral elastic limit members (13), said lateral elastic limit members (13) being in sliding engagement with the brake caliper piston outer housing (1).
6. A liquid disc brake caliper according to claim 5, characterized in that said lateral elastic limiting member (13) comprises a lateral limiting member (14) arranged on the auxiliary brake piston body (6), said lateral limiting member (14) being in sliding engagement with the brake caliper piston housing (1), a first spring (15) being arranged between said lateral limiting member (14) and the brake caliper piston housing (1).
7. The caliper of the liquid disc brake according to claim 6, wherein the main friction braking portion (3) comprises a friction plate fixing table (16) arranged on the main piston body (2), one end, far away from the main piston body (2), of the friction plate fixing table (16) is provided with a main friction plate (17), and the main friction plate (17) and the auxiliary friction plate (9) are arranged in a staggered mode.
8. The caliper of the liquid disc brake according to claim 7, wherein a main oil conveying passage (18) is arranged in the oil conveying connecting shell (10), a main oil pressure cavity (19) is arranged in the outer shell (1) of the caliper, the main oil conveying passage (18) is communicated with the main oil pressure cavity (19), and the main oil pressure cavity (19) is opposite to the main piston body (2).
9. The caliper of the liquid disc brake according to claim 8, wherein the main piston body (2) is provided with a multi-rod elastic limiting piece (20), and the multi-rod elastic limiting piece (20) extends into the oil delivery connecting shell (10) and is in sliding fit with the oil delivery connecting shell (10).
10. The caliper of the liquid disc brake according to claim 9, wherein the multi-rod elastic limiting piece (20) comprises a plurality of connecting sliding rods (21) arranged on the main piston body (2), the connecting sliding rods (21) extend into the oil delivery connecting shell (10), a middle limiting block (22) is arranged in the oil delivery connecting shell (10), the middle limiting block (22) is connected with the connecting sliding rods (21), and a second spring (23) is arranged between the middle limiting block (22) and the oil delivery connecting shell (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322374025.5U CN220748877U (en) | 2023-08-31 | 2023-08-31 | Hydraulic disc brake caliper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322374025.5U CN220748877U (en) | 2023-08-31 | 2023-08-31 | Hydraulic disc brake caliper |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220748877U true CN220748877U (en) | 2024-04-09 |
Family
ID=90551022
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322374025.5U Active CN220748877U (en) | 2023-08-31 | 2023-08-31 | Hydraulic disc brake caliper |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220748877U (en) |
-
2023
- 2023-08-31 CN CN202322374025.5U patent/CN220748877U/en active Active
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| GR01 | Patent grant |