CN212654411U - Brake device of baby carriage - Google Patents
Brake device of baby carriage Download PDFInfo
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- CN212654411U CN212654411U CN202021093603.8U CN202021093603U CN212654411U CN 212654411 U CN212654411 U CN 212654411U CN 202021093603 U CN202021093603 U CN 202021093603U CN 212654411 U CN212654411 U CN 212654411U
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Abstract
The utility model discloses a brake device of a baby carriage, which comprises a lower cross bar, a wheel component, a brake disc, a pedal piece and two brake cables; the lower cross bar is provided with rotating pieces at the left side and the right side of the pedal piece, linkage pieces capable of sliding transversely are arranged inside the two sides of the pedal piece, a first spring is arranged between the pedal piece or the linkage pieces and the lower cross bar, ratchets are formed at the outer side ends of the linkage pieces, and pawls corresponding to the ratchets are formed on the inner walls of the inner side ends of the rotating pieces; the outer side end wall of the rotating part is provided with a brake groove and an unlocking groove which are arranged at intervals; the inner end of the brake cable is provided with a lock column, the lower cross bar is provided with a guide hole for the lock column to slide transversely, and the lock column is matched with the brake groove or the brake release groove of the rotating part in an abutting mode; the outer end of the brake cable extends into the side bracket and is connected with the brake pin, the brake pin can be locked into or withdrawn from the corresponding brake groove of the brake disc, and a second spring is arranged between the brake pin and the side bracket; the utility model discloses novel structure, convenient operation can realize switching at any time between brake state and the unblock state through pressing down the step piece.
Description
Technical Field
The utility model relates to a brake equipment of bassinet.
Background
At present, various baby carriers are available in the market, and in order to ensure the safety performance of the baby carrier, a brake mechanism is arranged on the general baby carrier so as to prevent children from accidents when taking the baby carrier. Most of brake mechanisms need to be operated by feet when braking, generally realize braking by stepping on a brake pedal, and the brake pedal needs to be lifted upwards by the feet when the braking is released, so that the shoe surface is polluted and even toes are scratched when the operation is carried out.
Disclosure of Invention
The utility model discloses the purpose is: a brake device for a stroller is provided to overcome the above technical problems of the related art.
The technical scheme of the utility model is that: a brake device of a baby carrier comprises side brackets, a lower cross bar arranged between the side brackets at two sides, a wheel assembly arranged at the bottom of each side bracket, a brake disc arranged on the wheel assembly, a pedal piece arranged in the middle of the lower cross bar and capable of rotating relative to the lower cross bar, and two brake cables; the lower cross bar is respectively provided with rotating parts which can rotate relative to the pedal part at the left side and the right side of the pedal part, linkage parts which are circumferentially limited and can transversely slide are respectively arranged inside the two sides of the pedal part, a first spring is arranged between the pedal part or the linkage parts and the lower cross bar, ratchets are formed at the outer side ends of the linkage parts, and pawls corresponding to the ratchets are formed on the inner walls of the inner side ends of the rotating parts; the outer side end wall of the rotating part is provided with a brake groove and an unlocking groove which are arranged at intervals, and the distance between the unlocking groove and the pedal part is different from the distance between the brake groove and the pedal part; the inner end of the brake cable is provided with a lock column, the lower cross bar is provided with a guide hole for the lock column to penetrate through and transversely slide, and the lock column penetrates through the guide hole to be matched with the brake groove or the brake release groove of the rotating part in an abutting mode; the outer end of the brake cable extends into the side bracket and is connected with a brake pin on the side bracket, the brake pin can be locked into or withdrawn from a corresponding brake groove of the brake disc, and a second spring is arranged between the brake pin and the side bracket;
when the pedal piece is stepped on, the linkage piece rotates in the forward direction, the ratchets are matched with the pawls and drive the rotating piece to rotate, at the moment, the lock columns and the outer end face of the rotating piece are in sliding fit at the switching positions between the brake grooves and the brake release grooves, and meanwhile, the lock columns move transversely in the guide holes, so that the brake pins are driven by the brake cables to realize the switching between the brake state and the brake release state;
when the pedal part is loosened, the pedal part and the linkage part reversely rotate under the reset action of the first spring, the ratchet and the pawl are in one-way clutch, the rotating part is not affected, and the existing state is kept.
Furthermore, the lower cross rod is fixedly provided with mounting seats on the left side and the right side of the pedal piece respectively, and the rotating piece is sleeved on the lower cross rod and is positioned on the inner side of the mounting seats; the side wall of the rotating part is provided with a brake identification area and an unlocking identification area corresponding to the brake groove and the unlocking groove respectively; an open slot is formed in the rear side wall of the mounting seat; when the brake device is in a brake state or an unlocking state, the corresponding brake identification area or the unlocking identification area is just opposite to the open slot.
Furthermore, the pedal piece comprises a cylindrical part which is rotatably sleeved with the lower cross rod, and a pedal part which is formed by extending the cylindrical part backwards; the outer peripheral wall of the linkage piece is provided with a plurality of limiting blocks at intervals, and the inner wall of the cylindrical part of the pedal piece is provided with a limiting groove which is inserted into the limiting blocks and used for the limiting blocks to slide transversely.
Furthermore, the inner wall of the cylindrical part of the pedal piece is provided with a bulge at the outer side of the linkage piece, and the inner side end of the rotating piece is provided with a limiting shoulder which extends inwards and corresponds to the bulge; when the pedal piece is stepped on, the protrusion moves along with the pedal piece and abuts against the shoulder part of the limiting shoulder, and then the pedal piece cannot continue to rotate.
Furthermore, the bottom of the side bracket is provided with a hollow wheel seat, an opening is formed in the inner side of the wheel seat, a cover plate matched with the opening is arranged at the opening, the wheel assembly is arranged on the corresponding wheel seat, the brake pin is arranged in the inner cavity of the wheel seat, and the outer end of the brake pin penetrates through the penetrating opening of the wheel seat to extend out of the wheel seat and can transversely stretch relative to the wheel seat; the second spring is arranged in the inner cavity of the wheel seat.
Further, the distance between the brake releasing groove and the pedal piece is greater than the distance between the brake groove and the pedal piece, the outer end of the brake cable is connected with the brake pin on one side, and the inner end of the brake cable is connected with the rotating piece on one side far away from the corresponding brake pin.
Further, the distance between the notch end of the brake groove for the lock column to slide in and the groove bottom is larger than the distance between the notch end of the brake groove for the lock column to slide out and the groove bottom; and an inclined transition surface is formed between the notch end of the brake groove for the lock column to slide out and the notch end of the adjacent brake release groove for the lock column to slide in.
The utility model has the advantages that:
1. the utility model discloses novel structure, convenient operation can realize switching at any time between brake state and the unblock state through pressing down step spare, compare with traditional brake mechanism, vamp and fish tail toe can not be made dirty in this kind of operation.
2. In the utility model, the side wall of the rotating part is respectively provided with a brake identification area and an unlocking identification area, and the rear side wall of the mounting seat is provided with a corresponding open slot; when the brake device is in a brake state or an unlocking state, the corresponding brake identification area or the unlocking identification area is over against the open slot; the design can play a role in marking, a walker can observe the state of the brake device at any time, the situation that the brake device is not in place after being trampled for multiple times is avoided, the potential safety hazard is formed by the fact that the state of the brake device is unclear, and the design is simple and clear and is more humanized.
3. The utility model discloses the design of spacing shoulder on the arch of well step piece and the rotation piece can play limiting displacement when step piece rotates, has avoided trampling excessively and has leaded to brake equipment's failure.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the description of the embodiments are briefly introduced below, the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural view of the utility model in a use state;
FIG. 2 is a schematic view of the assembly structure of the present invention;
FIG. 3 is a schematic view of a partial assembly structure of one side of the present invention;
FIG. 4 is a schematic view of a partial assembly structure of the other side of the present invention;
FIG. 5 is a schematic cross-sectional view of the middle cross bar of the present invention;
fig. 6 is an exploded schematic view of the brake release device of the present invention;
fig. 7 is an exploded schematic view of the brake device of the present invention.
Wherein: 1 side bracket; 1-1 wheel seat; 1-2 cover plates;
2, a lower cross bar; 2-1, guiding holes;
3, a wheel assembly;
4, a brake disc; 4-1 brake groove;
5 a step member; 5-1 cylindrical part; 5-2 pedal part; 5-3 of bulges; 5-4 of limiting grooves;
6, a brake cable;
7 a rotating member; 7-1 pawl; 7-2 brake grooves; 7-3 an unlocking groove; 7-4 brake identification area; 7-5 an unlocking identification area;
8, a linkage piece; 8-1 ratchet; 8-2 limiting blocks;
9 a first spring;
10 lock cylinder;
11 a brake pin;
12 a second spring;
13 mounting seats; 13-1 open slot; 13-2 limiting shoulders.
Detailed Description
The above-described scheme is further illustrated below with reference to specific examples. It should be understood that these examples are for illustrative purposes and are not intended to limit the scope of the present invention. The conditions employed in the examples may be further adjusted according to specific conditions, and the conditions not specified are generally conditions in routine experiments.
As shown in fig. 1 to 7, a brake apparatus for a stroller comprises side brackets 1, a bottom rail 2 installed between the side brackets 1 at both sides, a wheel assembly 3 installed at the bottom of the side bracket 1, a brake disc 4 disposed on the wheel assembly 3, a pedal 5 disposed at the middle of the bottom rail 2 and capable of rotating relative thereto, and two brake cables 6; the left side and the right side of the pedal piece 5 of the lower cross bar 2 are respectively provided with a rotating piece 7 which can rotate relative to the pedal piece 5, the insides of the two sides of the pedal piece 5 are respectively provided with a linkage piece 8 which is limited circumferentially and can slide transversely, a first spring 9 is arranged between the pedal piece 5 or the linkage piece 8 and the lower cross bar 2, the outer side end of the linkage piece 8 is provided with a ratchet 8-1, and the inner wall of the inner side end of the rotating piece 7 is provided with a pawl 7-1 corresponding to the ratchet 8-1; the outer side end wall of the rotating part 7 is provided with a brake groove 7-2 and an unlocking groove 7-3 which are arranged at intervals, and the distance between the unlocking groove 7-3 and the pedal part 5 is different from the distance between the brake groove 7-2 and the pedal part 5; the inner end of the brake cable 6 is provided with a lock column 10, the lower cross bar 2 is provided with a guide hole 2-1 for the lock column 10 to penetrate through and slide transversely, and the lock column 10 penetrates through the guide hole 2-1 to be matched with the brake groove 7-2 or the brake release groove 7-3 of the rotating part 7 in an abutting mode; the outer end of the brake cable 6 extends into the side bracket 1 and is connected with a brake pin 11 on the side bracket, the brake pin 11 can be locked into or withdrawn from a corresponding brake groove 7-2 of the brake disc 4, and a second spring 12 is arranged between the brake pin 11 and the side bracket 1.
In this embodiment, the lower cross bar 2 is fixedly provided with mounting seats 13 at the left and right sides of the pedal member 5, and the rotating member 7 is sleeved on the lower cross bar 2 and located inside the mounting seats 13; the side wall of the rotating part 7 is provided with a brake identification area 7-4 and an unlocking identification area 7-5 at positions corresponding to the brake groove 7-2 and the unlocking groove 7-3 respectively; an open slot 13-1 is formed in the rear side wall of the mounting seat 13; when the brake device is in a braking state or an unlocking state, the corresponding brake identification area 7-4 or the corresponding unlocking identification area 7-5 is over against the open slot 13-1. The design can play a role in marking, a walker can observe the state of the brake device at any time, the situation that the brake device is not in place after being trampled for multiple times is avoided, the potential safety hazard is formed by the fact that the state of the brake device is unclear, and the design is simple and clear and is more humanized.
In this embodiment, the pedal member 5 includes a cylindrical portion 5-1 rotatably fitted to the bottom rail 2, and a pedal portion 5-2 formed by extending the cylindrical portion 5-1 rearward; a plurality of limiting blocks 8-2 are arranged on the peripheral wall of the linkage piece 8 at intervals, and limiting grooves 5-4 which are inserted with the limiting blocks 8-2 and allow the limiting blocks to slide transversely are formed in the inner wall of the cylindrical part 5-1 of the pedal piece 5. The design can realize circumferential limit and transverse sliding of the linkage piece 8 relative to the pedal piece 5.
In this embodiment, a protrusion 5-3 is disposed on the outer side of the linkage 8 on the inner wall of the cylindrical portion 5-1 of the pedal member 5, and a limiting shoulder 13-2 extending inward and corresponding to the protrusion 5-3 is disposed at the inner end of the mounting seat 13; when the pedal 5 is stepped on, the protrusion 5-3 moves along with the pedal and abuts against the shoulder of the limiting shoulder 13-2, and then the pedal 5 cannot rotate continuously. This design can play limiting displacement when step 5 rotates, has avoided trampling excessively and has leaded to brake equipment's malfunctioning.
In the embodiment, the bottom of the side bracket 1 is provided with a hollow wheel seat 1-1, the inner side of the wheel seat 1-1 is provided with an opening, the opening is provided with a cover plate 1-2 matched with the opening, the wheel assembly 3 is arranged on the corresponding wheel seat 1-1, the brake pin 11 is arranged in the inner cavity of the wheel seat 1-1, and the outer end of the brake pin passes through the through opening of the wheel seat 1-1 and extends out of the wheel seat 1-1 and can transversely extend and retract relative to the wheel seat; the second spring 12 is arranged in the inner cavity of the wheel seat 1-1.
In this embodiment, the distance between the braking releasing slot 7-3 and the pedal piece 5 is greater than the distance between the braking slot 7-2 and the pedal piece 5, the outer end of the braking cable 6 is connected with the braking pin 11 on one side, and the inner end of the braking cable 6 is connected with the rotating piece 7 on one side far away from the corresponding braking pin 11.
In this embodiment, the distance between the end of the slot opening of the brake slot 7-2, into which the lock cylinder slides, and the slot bottom is greater than the distance between the end of the slot opening of the brake slot 7-2, out of which the lock cylinder slides, and the slot bottom; and an inclined transition surface is arranged between the notch end of the brake slot 7-2 for the lock column to slide out and the notch end of the adjacent brake release slot 7-3 for the lock column to slide in.
The working principle of the utility model is as follows:
in a normal pushing state, the lock column 10 is positioned in the brake release groove 7-3, the brake cable 6 strains the brake pin 11, the brake pin 11 exits from the brake groove of the brake disc, and the brake pin is in an unlocking state; the footrest 5 is in a released state.
When braking is needed, the pedal piece 5 is trampled, the linkage piece 8 rotates in the forward direction, the ratchet 8-1 is matched with the pawl 7-1 and drives the rotating piece 7 to rotate, at the moment, the lock column 10 is in sliding fit with the outer end face of the rotating piece 7 and slides into the braking groove 7-2, meanwhile, the lock column 10 moves transversely inwards in the guide hole 2-1, the brake wire 6 loosens the brake pin 11, and the brake pin 11 is locked into the braking groove of the brake disc under the action of the second spring 12 and enters a braking state; then, the pedal member 5 is released, the pedal member 5 and the linkage member 8 reversely rotate under the reset action of the first spring 9, the ratchet 8-1 and the pawl 7-1 are in one-way clutch, the rotating member 7 is not affected, and the braking state is kept.
When the brake needs to be released, the pedal part 5 is stepped again, the linkage part 8 rotates in the forward direction, the ratchet 8-1 is matched with the pawl 7-1 and drives the rotating part 7 to rotate, at the moment, the lock column 10 is in sliding fit with the outer end face of the rotating part 7 and slides to the releasing groove 7-3 from the brake groove 7-2, meanwhile, the lock column 10 moves outwards in the guide hole 2-1 in the transverse direction, the brake wire 6 tensions the brake pin 11, and the brake pin 11 exits from the brake groove of the brake disc and is in the unlocking state at the moment. According to the principle, the pedal piece 5 is released, the pedal piece 5 and the linkage piece 8 reversely rotate under the reset action of the first spring 9, the ratchet 8-1 and the pawl 7-1 are in one-way clutch, the rotating piece 7 is not affected, and the brake releasing state is kept.
The utility model discloses novel structure, convenient operation can realize switching at any time between brake state and the unblock state through pressing pedal piece 5 down, compare with traditional brake mechanism, vamp and fish tail toe can not be made dirty in this kind of operation.
The above is only a specific application example of the present invention, and does not constitute any limitation to the protection scope of the present invention. In addition to the above embodiments, other embodiments of the present invention are also possible. All the technical solutions formed by adopting equivalent substitutions or equivalent transformations fall within the scope of the present invention as claimed.
Claims (7)
1. A brake device of a baby carrier comprises side brackets (1), a lower cross rod (2) arranged between the side brackets (1) at two sides, a wheel component (3) arranged at the bottom of the side brackets (1), a brake disc (4) arranged on the wheel component (3), a pedal piece (5) arranged in the middle of the lower cross rod (2) and capable of rotating relative to the lower cross rod, and two brake cables (6); the method is characterized in that: the lower cross bar (2) is provided with rotating pieces (7) which can rotate relative to the pedal piece (5) on the left side and the right side of the pedal piece (5) respectively, linkage pieces (8) which are circumferentially limited and can transversely slide with the pedal piece (5) are arranged inside the two sides of the pedal piece (5) respectively, a first spring (9) is arranged between the pedal piece (5) or the linkage pieces (8) and the lower cross bar (2), ratchets (8-1) are formed at the outer side end of the linkage pieces (8), and pawls (7-1) corresponding to the ratchets (8-1) are formed on the inner wall of the inner side end of the rotating piece (7); the outer side end wall of the rotating piece (7) is provided with a brake groove (7-2) and an unlocking groove (7-3) which are arranged at intervals, and the distance between the unlocking groove (7-3) and the pedal piece (5) is different from the distance between the brake groove (7-2) and the pedal piece (5); the inner end of the brake cable (6) is provided with a lock column (10), the lower cross rod (2) is provided with a guide hole (2-1) for the lock column (10) to penetrate through and slide transversely, and the lock column (10) penetrates through the guide hole (2-1) to be matched with a brake groove (7-2) or an unlocking groove (7-3) of the rotating piece (7) in an abutting mode; the outer end of the brake cable (6) extends into the side bracket (1) and is connected with a brake pin (11) on the side bracket, the brake pin (11) can be locked into or withdrawn from a corresponding brake groove (7-2) of the brake disc (4), and a second spring (12) is arranged between the brake pin (11) and the side bracket (1);
when the pedal piece (5) is stepped on, the linkage piece (8) rotates in the forward direction, the ratchet (8-1) is matched with the pawl (7-1) and drives the rotating piece (7) to rotate, at the moment, the lock column (10) is in sliding fit with the outer end face of the rotating piece (7) and is switched between the brake groove (7-2) and the brake release groove (7-3), and meanwhile, the lock column (10) moves transversely in the guide hole (2-1), so that the brake pin (11) is driven by the brake cable (6) to realize switching between a brake state and an unlocking state;
when the pedal piece (5) is loosened, the pedal piece (5) and the linkage piece (8) reversely rotate under the reset action of the first spring (9), the ratchet (8-1) and the pawl (7-1) are in one-way clutch, the rotating piece (7) is not affected, and the existing state is kept.
2. A brake device for a stroller according to claim 1, wherein: the lower cross rod (2) is fixedly provided with mounting seats (13) on the left side and the right side of the pedal piece (5), and the rotating piece (7) is sleeved on the lower cross rod (2) and is positioned on the inner side of the mounting seats (13); the side wall of the rotating part (7) is provided with a brake identification area (7-4) and an unlocking identification area (7-5) at positions corresponding to the brake groove (7-2) and the unlocking groove (7-3) respectively; an open slot (13-1) is formed in the rear side wall of the mounting seat (13); when the brake device is in a brake state or an unlocking state, the corresponding brake identification area (7-4) or the corresponding unlocking identification area (7-5) is just opposite to the open slot (13-1).
3. A brake device for a stroller according to claim 2, wherein: the pedal piece (5) comprises a cylindrical part (5-1) which is rotatably sleeved with the lower cross rod (2) and a pedal part (5-2) formed by extending the cylindrical part (5-1) backwards; a plurality of limiting blocks (8-2) are arranged on the peripheral wall of the linkage piece (8) at intervals, and limiting grooves (5-4) which are inserted into the limiting blocks (8-2) and used for the limiting blocks to slide transversely are formed in the inner wall of the cylindrical part (5-1) of the pedal piece (5).
4. A brake device for a stroller according to claim 3, wherein: the inner wall of the cylindrical part (5-1) of the pedal piece (5) is provided with a bulge (5-3) at the outer side of the linkage piece (8), and the inner side end of the mounting seat (13) is provided with a limiting shoulder (13-2) which extends inwards and corresponds to the bulge (5-3); when the pedal piece (5) is stepped on, the bulge (5-3) moves along with the pedal piece and abuts against the shoulder part of the limiting shoulder (13-2), and the pedal piece (5) cannot rotate continuously.
5. A brake device for a stroller according to claim 1, wherein: the bottom of the side support (1) is provided with a hollow wheel seat (1-1), the inner side of the wheel seat (1-1) is provided with an opening, a cover plate (1-2) matched with the opening is arranged at the opening, the wheel assembly (3) is arranged on the corresponding wheel seat (1-1), the brake pin (11) is arranged in the inner cavity of the wheel seat (1-1), and the outer end of the brake pin penetrates through the penetrating opening of the wheel seat (1-1) to extend out of the wheel seat (1-1) and can transversely stretch relative to the wheel seat; the second spring (12) is arranged in the inner cavity of the wheel seat (1-1).
6. A brake device for a stroller according to claim 1, wherein: the distance between groove (7-3) and the step piece (5) of separating to stop is greater than the distance between groove (7-2) and the step piece (5) of stopping, the outer end and one side brake pin (11) of brake line (6) link to each other, the inner of brake line (6) links to each other with the rotation piece (7) of keeping away from its corresponding brake pin (11) one side.
7. A brake device for a stroller according to claim 6, wherein: the distance between the notch end of the brake groove (7-2) for the lock column to slide in and the groove bottom is larger than the distance between the notch end of the brake groove (7-2) for the lock column to slide out and the groove bottom; and an inclined transition surface is arranged between the notch end of the brake groove (7-2) for the lock column to slide out and the notch end of the adjacent brake release groove (7-3) for the lock column to slide in.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021093603.8U CN212654411U (en) | 2020-06-15 | 2020-06-15 | Brake device of baby carriage |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021093603.8U CN212654411U (en) | 2020-06-15 | 2020-06-15 | Brake device of baby carriage |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212654411U true CN212654411U (en) | 2021-03-05 |
Family
ID=74753600
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021093603.8U Active CN212654411U (en) | 2020-06-15 | 2020-06-15 | Brake device of baby carriage |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212654411U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113276924A (en) * | 2021-06-07 | 2021-08-20 | 东莞市江顺箱包袋配件有限公司 | Pedal brake structure, pedal double-brake device and application |
| GB2616714A (en) * | 2022-01-28 | 2023-09-20 | Loadhog Ltd | Brake system with a foot pedal cavity |
-
2020
- 2020-06-15 CN CN202021093603.8U patent/CN212654411U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113276924A (en) * | 2021-06-07 | 2021-08-20 | 东莞市江顺箱包袋配件有限公司 | Pedal brake structure, pedal double-brake device and application |
| CN113276924B (en) * | 2021-06-07 | 2022-11-11 | 东莞市江顺箱包袋配件有限公司 | Pedal brake structure, pedal double-brake device and application |
| GB2616714A (en) * | 2022-01-28 | 2023-09-20 | Loadhog Ltd | Brake system with a foot pedal cavity |
| GB2616714B (en) * | 2022-01-28 | 2024-06-12 | Loadhog Ltd | Brake system with a foot pedal cavity |
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