CN207374593U - A kind of braking mechanism and the vehicles - Google Patents
A kind of braking mechanism and the vehicles Download PDFInfo
- Publication number
- CN207374593U CN207374593U CN201721461861.5U CN201721461861U CN207374593U CN 207374593 U CN207374593 U CN 207374593U CN 201721461861 U CN201721461861 U CN 201721461861U CN 207374593 U CN207374593 U CN 207374593U
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- China
- Prior art keywords
- brake
- bracing wire
- braking mechanism
- balance element
- brake cable
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Abstract
The utility model discloses a kind of braking mechanism and the vehicles, it is related to transport facility field, including brake bracing wire, front brake cable, rear brake cable and brake-control box, it is equipped in the brake-control box and pulls component, the pulling component includes drawing article and balance element, the balance element is rotationally connected with the drawing article, the brake bracing wire pulls the drawing article so that the balance element to be driven to pull the front brake cable and rear brake cable simultaneously, and the balance element rotates to distribute the brake force of front brake cable and rear brake cable.The utility model realizes a brake lever to front and rear brake coordinated signals and can suitably distribute the brake force of front and rear brake cable.
Description
【Technical field】
The utility model is related to transport facility fields, and in particular to a kind of braking mechanism and the vehicles.
【Background technology】
At present, the two-wheeled including bicycle, electric car, motorcycle etc. or the three-wheel vehicles are own through becoming the whole world
The simplest, the most practical is also the most commonly used vehicles of people.But in these vehicles, a brake cable can only be controlled
A brake gear is made, front and rear brake is controlled respectively by the left and right brake lever of handle-bar, but left and right brake lever is not
The coordinated signals of brake before and after realizing.
【Utility model content】
To solve foregoing problems, the utility model provides a kind of new braking mechanism, realizes a brake lever
To front and rear brake coordinated signals.
In order to achieve the above object, the utility model adopts the following technical solution：
A kind of braking mechanism, the brake bracing wire including connection brake lever connect the front brake cable of front brake and connect rear braking
Rear brake cable, the braking mechanism further include brake-control box, are equipped in the brake-control box and pull component, the pulling component
Including drawing article and balance element, the balance element is rotationally connected with the drawing article, and the brake bracing wire pulls the drawing article
The balance element to be driven to pull the front brake cable and rear brake cable simultaneously, the balance element rotates to distribute front brake cable and rear brake cable
Brake force.
Further, the front brake cable and the balance element are rotationally connected with the first tie point, the rear brake cable with it is described
Balance element is rotationally connected with the second tie point, and the rotating joint of the drawing article and the balance element is arranged on the described first connection
Between point and the second tie point.
Further, the braking mechanism further includes the first hook and the second hook, and the front brake cable passes through described the
One hook is rotatablely connected with first tie point, and the rear brake cable is rotated by the described second hook with second tie point
Connection.
Preferably, the braking mechanism further includes locating piece, the drawing article is equipped with location hole, on the balance element
Equipped with several locating slots, the locating piece is through the location hole into the locating slot, with the fixation drawing article and described
The relative position of balance element.
Preferably, the brake bracing wire is equipped with two, two brake levers in connection left and right are respectively used to, two brakes are drawn
Line is movably connected in the drawing article, to prevent one of two brake bracing wires another brake bracing wire when pulled
Bending relaxation.
Further, the drawing article is set there are two sliding slot, and two brake bracing wires are respectively protruding into the sliding slot, described
One end that the sliding slot is stretched into brake bracing wire is equipped with pulling block, and the pulling block slides in the sliding slot, to pull the drawing article.
Preferably, the brake bracing wire is equipped with two, two brake levers in connection left and right are respectively used to, the every brake is drawn
Line, which is divided into, pulls section and driven section, is equipped with bracing wire connector between the pulling section and driven section, the bracing wire connector is used for
Prevent one of two described brake bracing wires another brake bracing wire bending relaxation when pulled.
Further, the bracing wire connector includes the first fixed seat and the sliding block being located in first fixed seat, institute
It states pulling section and driven section is movably connected in the both ends of the sliding block.
In addition, the utility model additionally provides a kind of vehicles, including the braking mechanism described in above-mentioned any one, institute
The vehicles are stated as bicycle, electric car or motorcycle.
After adopting the above technical scheme, the utility model has the following advantages that：
A kind of braking mechanism, the brake bracing wire including connection brake lever connect the front brake cable of front brake and connect rear braking
Rear brake cable, the braking mechanism further include brake-control box, are equipped in the brake-control box and pull component, the pulling component
Including drawing article and balance element, the balance element is rotationally connected with the drawing article, and the brake bracing wire pulls the drawing article
The balance element to be driven to pull the front brake cable and rear brake cable simultaneously, the balance element rotates to distribute front brake cable and rear brake cable
Brake force：Standard bicycle, a brake lever control a wheel, but since different bicyclist's constitutions is different, so applying
The power being added on brake lever is difficult to identical, has also resulted in front and rear brake and has been difficult to brake simultaneously, when current brake control power is big, due to
The presence of inertia is susceptible to the situation that bicyclist leans forward or even falls down.And it is linked by a brake lever to front and rear brake
Control so that front and back wheel synchronous braking simultaneously avoids the generation of this situation, while can also meet the spy of plurality of bicycles
Different use demand.Due to, the institute of front brake cable and rear brake cable different with the brake force that is needed to rear service brake to front wheel brake
The pulling force needed is also different.Existing bicycle is rear wheel drive, so the brake force needed for trailing wheel is big, the pulling force needed for rear brake cable
Also it is big.For lever in the case where torque is certain, the arm of force is bigger, and the pulling force provided brake cable is smaller, therefore, by front and rear brake cable point
It fits on two different tie points of the arm of force, necessarily forms the difference of two brake cable pulling force, so brake bracing wire pulls on part drawing
When rising, balance element can be adjusted according to the difference of the brake force needed for front and rear brake cable, make the brake force and reality of front and rear brake cable
Border demand more matches.
The front brake cable is rotationally connected with the first tie point with the balance element, and the rear brake cable is rotated with the balance element
It is connected to the second tie point, the rotating joint of the drawing article and the balance element is arranged on first tie point and second and connects
Between contact：Front brake cable and rear brake cable are limited to drawing article both sides, to ensure that balance element can complete brake force allotment.
The braking mechanism further include the first hook and second hook, the front brake cable by described first hook with it is described
First tie point is rotatablely connected, and the rear brake cable is rotatablely connected by the described second hook with second tie point：Front brake cable
It is steel wire rope with rear brake cable, and steel wire rope is directly fastened when being connected to installation position, since pulling repeatedly is present with loosening,
Cause brake failure, if being welded on installation position, the situation of solder joint fracture is present with due to pulling repeatedly, also leads to brake
Timeliness.And by hook, the rotation connection of front brake cable and rear brake cable and installation position had not only been realized, but also can prevent above-mentioned condition
Occur, avoid brake failure.
The braking mechanism further includes locating piece, and the drawing article is equipped with location hole, and the balance element is equipped with several
Locating slot, the locating piece is through the location hole into the locating slot, with the fixation drawing article and the balance element
Relative position：The arm of force, the i.e. rotating joint of drawing article and balance element point are being determined according to the braking force distribution of front and rear brake cable
It is clipped to after the distance of front and rear brake cable rotating joint, the relative position between drawing article and balance element is fixed by locating piece,
It can prevent from shaking when being braked, cause the brake force of front and rear brake cable is suddenly big or suddenly small to cause brake force unstable, shadow
Ring braking effect.
The brake bracing wire is equipped with two, is respectively used to two brake levers in connection left and right, and two brake bracing wires are lived respectively
It is dynamic to be connected to the drawing article, to prevent one of two described brake bracing wires another brake bracing wire bending pine when pulled
It relaxes.The drawing article is set there are two sliding slot, and two brake bracing wires are respectively protruding into the sliding slot, and institute is stretched into the brake bracing wire
The one end for stating sliding slot is equipped with pulling block, and the pulling block slides in the sliding slot, to pull the drawing article.The brake bracing wire is set
There are two, be respectively used to two brake levers in connection left and right, the every brake bracing wire, which is divided into, pulls section and driven section, the pulling section
And bracing wire connector is equipped between driven section, the bracing wire connector is used to prevent that one of two described brake bracing wires from being drawn
Another brake bracing wire bending relaxation when dynamic.The bracing wire connector includes the first fixed seat and is located in first fixed seat
Sliding block, it is described pulling section and driven section be movably connected in the both ends of the sliding block：In left and right, brake lever is all connected with brake bracing wire
When, wherein one is pulled, bracing wire connector makes another brake bracing wire remain tight state, avoids brake bracing wire top
Dynamic brake lever, improves user experience.
The vehicles disclosed in the utility model, attainable advantageous effect and braking mechanism described above
Advantageous effect it is identical, the two derivation is similar, therefore details are not described herein.
These features and advantages of the utility model will carry out in detail in following specific embodiment and attached drawing
Exposure.The optimal embodiment of the utility model or means will carry out detailed performance with reference to attached drawing, but be not new to this practicality
The limitation of type technical solution.In addition, it is each be with these features, element and the component occurred in attached drawing hereafter have it is multiple,
And different symbols or number is marked in order to represent convenient, but represents same or similar construction or the component of function.
【Description of the drawings】
The utility model is described in further detail below in conjunction with the accompanying drawings：
Fig. 1 is the schematic diagram that the utility model embodiment one is not pulled up；
Fig. 2 is the schematic diagram of drawing article in the utility model embodiment one；
Fig. 3 is the schematic diagram of balance element in the utility model embodiment one；
Fig. 4 is the schematic diagram that the utility model embodiment one is pulled up；
Fig. 5 is the schematic diagram of the utility model embodiment two.
In attached drawing：
The left brake bracing wires of 11-, the right brake bracing wires of 12-, 13- Zola's blocks, the right pulling blocks of 14-, 15- is driven section left, and 16- Zolas move
Section, 17- is driven section right, and the right dynamic sections of 18- are drawn, and 21- front brake cables, 22- rear brake cables, 3- brake-control boxes, the left mounting holes of 31-, 32 is right
Mounting hole, 4- drawing articles, the left sliding slots of 41-, 42- right rails, 43- first are rotatablely connected hole, 44- location holes, 5- balance elements, 51-
Second rotation connection hole, the left hook mounting holes of 52-, the right hook mounting holes of 53-, 54- locating slots, 6- first are linked up with, and 7- second is hung
Hook, 8- bracing wire connectors, 81- fixed seats, 82- sliding blocks, the first pull heads of 83-, the second pull heads of 84-.
【Specific embodiment】
The technical solution of the utility model embodiment is explained with reference to the attached drawing of the utility model embodiment and
Illustrate, but following embodiments are only the preferred embodiment of the utility model, and it is not all.Based on the embodiment in embodiment,
Those skilled in the art obtain other embodiment on the premise of creative work is not made, and belong to the utility model
Protection domain.
" one embodiment " or " example " or " example " mean that itself is described in conjunction with the embodiments quoted in this specification
A particular feature, structure, or characteristic can be included at least one embodiment disclosed in this patent.Phrase is " in one embodiment
In " appearance of each position in the description is not necessarily all referring to same embodiment.
In the description of the utility model embodiment, term " on ", " under ", "left", "right", " transverse direction ", " longitudinal direction ",
The orientation or position relationship of the instructions such as " interior ", " outer " are based on orientation shown in the drawings or position relationship, are for only for ease of and retouch
State the utility model rather than require the utility model must with specific azimuth configuration and operation, therefore it is not intended that this
The limitation of utility model.
Embodiment one：
The present embodiment provides a kind of braking mechanisms.
As shown in Figure 1 and Figure 4, a kind of braking mechanism, including connecting the left brake bracing wire 11 of left brake lever, connecting right brake lever
Right brake bracing wire 12 connects the front brake cable 21 of front brake and connects the rear brake cable 22 of rear braking, and braking mechanism further includes brake control
Box 3 processed, brake-control box 3 is whole in "convex" shaped shape, and the brake-control box left and right sides is respectively equipped with a left side in step-like position
Mounting hole 31 and right mounting hole 32, brake-control box 3 is fixed on installation site.Pulling group is equipped in brake-control box 3
Part pulls component to include drawing article 4 and balance element 5, and drawing article 4 is in bar shaped, and the lower end in bar length direction is in isosceles three
Angular, upper end is rectangular, and the short side of rectangle is overlapped with the base of isosceles triangle, and rectangular one end is equipped with left sliding slot 41
With right rail 42, the length direction of the length direction of left sliding slot 41 and right rail 42 along rectangle.Left cunning is stretched into left brake bracing wire 11
In slot 41, the end in left sliding slot 41 is equipped with Zola's block 31, and to affect drawing article 4, right rail is stretched into right brake bracing wire 12
In 42, the end in right rail 42 is equipped with right pulling block 14, to affect drawing article 4.Zola's block 13 and right pulling block 14 can be with
It is slided in left sliding slot 41 and right rail 42, to prevent one of two brake bracing wires another brake bracing wire bending when pulled
Relaxation.Drawing article 4 is equipped with the first rotation connection hole 43 in the corner position of isosceles triangle one end.Balance element 5 is in up-side down triangle,
Sharp corner downward is equipped with the second rotation connection hole 51, other two wedge angle position is respectively equipped with left hook 52 He of mounting hole
Right hook mounting hole 53, the second rotation connection hole 51 are located at the position between left hook mounting hole 52 and right hook mounting hole 53.
First rotation connection hole 43 and the second rotation connection hole 51 are concentric, and are connected by connectors such as bolts, to realize 5 turns of balance element
It is dynamic to be connected to drawing article 4.Braking mechanism further includes left hook 6 and right hook 7, and front brake cable 21 is rotated by left hook 6 and first
Connecting hole 43 is rotatablely connected, and rear brake cable 22 is rotatablely connected by right hook 7 and the second rotation connection hole 51.Front brake cable 21 and back brake
Line 22 is steel wire rope, and steel wire rope is directly fastened when being connected to installation position, since pulling repeatedly is present with loosening, is caused
Brake failure if being welded on installation position, the situation of solder joint fracture is present with due to pulling repeatedly, when also leading to brake
Effect.And by hook, front brake cable 21 and rear brake cable 22 and the rotation connection of installation position had not only been realized, but also can prevent above-mentioned condition
Generation, avoid brake failure.
Left brake bracing wire 11 or right brake bracing wire 12 affect drawing article 4 to drive balance element 5 while pull 21 He of front brake cable
Rear brake cable 22, by a brake lever to front and rear brake coordinated signals so that front and back wheel synchronous braking simultaneously avoids being applied to
Power on brake lever is difficult to identical and front and rear brake is caused to be difficult to situation about braking simultaneously, when avoiding current brake control power big due to
The bicyclist that there is a situation where to occur of inertia leans forward or even falls down, while can also meet the Special use need of plurality of bicycles
It asks.Balance element 5 rotates to distribute the brake force of front brake cable 21 and rear brake cable 22, due to being needed to front wheel brake and to rear service brake
Brake force it is different, therefore the required pulling force of front brake cable 21 and rear brake cable 22 is also different.Existing bicycle is rear wheel drive,
So the brake force needed for trailing wheel is big, the pulling force needed for rear brake cable 22 is also big.Lever in the case where torque is certain, get over by the arm of force
Greatly, the pulling force provided to brake cable is smaller, and therefore, front brake cable 21 and rear brake cable 22 are distributed in two different tie points of the arm of force
On, the differences of two brake cable pulling force is necessarily formed, so left brake bracing wire 11 or right brake bracing wire 12 be when pulling on 4 pull-up of part,
Balance element 5 can be adjusted according to the difference of the brake force needed for front brake cable 21 and rear brake cable 22, make front brake cable 21 and back brake
The brake force of line 22 is more matched with actual demand.
Braking mechanism further includes locating piece (not marked in figure), and drawing article 4 is in one end of isosceles triangle, in isoceles triangle
The base position of shape is equipped with location hole 44, and one side of 5 side disposed thereon of balance element is equipped with locating slot 54, according to actual needs,
Locating slot 54 can on this edge be equipped with it is multiple, to meet the needs of different occasions, set in the present embodiment there are one.It is adjusting
After the relative position of good drawing article 4 and balance element 5, locating piece enters locating slot 54 through location hole 44, to fix drawing article 4
With the relative position of balance element 5.Meanwhile the size of locating slot 54 should be greater than the size of location hole 44, to prevent 4 peace of drawing article
Locating piece cannot be introduced into locating slot 54 when the relative angle of weighing apparatus part 5 is larger.In the brake force according to front brake cable 21 and rear brake cable 22
Distribution determines the arm of force, i.e. the rotating joint of drawing article 4 and balance element 5 arrives front brake cable 21 respectively and rear brake cable 22 is rotatablely connected
After the distance of point, the relative position between drawing article 4 and balance element 5 is fixed by locating piece, can prevent from being braked
When shake, cause the brake force of front brake cable 21 and rear brake cable 22 is suddenly big or suddenly small to cause brake force unstable, influence brake effect
Fruit.
Embodiment two
As shown in figure 5, the present embodiment is being further improved of being made on embodiment one.It is different from embodiment one
It is that left brake bracing wire is divided into Zola and moves driven section 16 of section 15 and a left side, and right brake bracing wire is divided into driven section 18 of right pulling section 17 and the right side,
Zola move section 15 and driven section 16 left, right pulling section 17 and it is driven section 18 right between be respectively equipped with bracing wire connector 8, bracing wire connection
Device 8 includes fixed seat 81 and the sliding block 82 being located in fixed seat 81, and 82 both ends of sliding block are respectively equipped with baffle, sliding block 82 and two gears
Plate shape is C-shaped, and the first pull head 83 and the second pull head 84 are respectively equipped on the inside of two baffles.
Zola moves 15 one end of section and connects left brake lever, and the other end is connected to the first pull head 83 through baffle, driven section 16 1 left
End is fixedly connected with drawing article 4, and the other end is connected to the second pull head 84, the first pull head 83 and the second pull head through another baffle
Spacing is equipped between 84, Zola moves section 15 and left driven section 16 can affect Zola to move section 15, Zuo Ladong to pass through barrier slides
Section 15 pulls a side shield by the first pull head 83, which moves, and sliding block 82 is drawn again by another side shield
Dynamic second pull head 84, the second pull head 84 pull driven section 16 left.
17 one end of right pulling section connects right brake lever, and the other end is connected to the first pull head 83 through baffle, driven section 18 1 right
End is fixedly connected with drawing article 4, and the other end is connected to the second pull head 84, the first pull head 83 and the second pull head through another baffle
Spacing is equipped between 84, right pulling section 17 and right driven section 18 can affect right pulling section 17, right pulling to pass through barrier slides
Section 17 pulls a side shield by the first pull head 83, which moves, and sliding block 82 is drawn again by another side shield
Dynamic second pull head 84, the second pull head 84 pull driven section 18 right.
Due between the first pull head 83 and the second pull head 84 be equipped with one it is intersegmental away from, driven section promoted is in bracing wire
There is in connector 8 one end idle stroke, therefore the brake lever that is not pulled and that section is pulled to be to maintain is motionless, remain tight
State avoids pushing brake lever, improves user experience.
Embodiment three
The present embodiment provides a kind of bicycle, the bicycle includes the brake described in embodiment one or embodiment two
Mechanism.
Example IV
The present embodiment provides a kind of electric car, the electric car includes the brake described in embodiment one or embodiment two
Mechanism.
Embodiment five
The present embodiment provides a kind of motorcycle, the motorcycle includes the brake described in embodiment one or embodiment two
Mechanism.
More than, it is only specific embodiment of the present utility model, but the scope of protection of the utility model is not limited thereto,
It is familiar with the those skilled in the art and should be understood that the utility model includes but not limited in attached drawing and above specific embodiment
The content of description.The modification of any function and structure principle without departing from the utility model is intended to be included in the model of claims
In enclosing.
Claims (10)
1. a kind of braking mechanism, after bracing wire of braking, the front brake cable for connecting front brake and connection rear braking including connection brake lever
Brake cable, it is characterised in that：The braking mechanism further includes brake-control box, is equipped in the brake-control box and pulls component, institute
It states and component is pulled to include drawing article and balance element, the balance element is rotationally connected with the drawing article, and the brake bracing wire pulls
The balance element to be driven to pull the front brake cable and rear brake cable simultaneously, the balance element rotates to distribute front brake the drawing article
The brake force of line and rear brake cable.
2. braking mechanism according to claim 1, it is characterised in that：The front brake cable is rotationally connected with the balance element
First tie point, the rear brake cable are rotationally connected with the second tie point, the drawing article and the balance element with the balance element
Rotating joint be arranged between first tie point and the second tie point.
3. braking mechanism according to claim 2, it is characterised in that：The braking mechanism further includes the first hook and second
Hook, the front brake cable are rotatablely connected by the described first hook with first tie point, and the rear brake cable passes through described the
Two hooks are rotatablely connected with second tie point.
4. braking mechanism according to claim 1, it is characterised in that：The braking mechanism further includes locating piece, the drawing
Moving part is equipped with location hole, and the balance element is equipped with several locating slots, and the locating piece is passed through described in location hole entrance
Locating slot, with the relative position of the fixation drawing article and the balance element.
5. the braking mechanism according to one of Claims 1-4, it is characterised in that：The brake bracing wire is equipped with two, respectively
For connecting two brake levers in left and right, two brake bracing wires are movably connected in the drawing article, to prevent described in two
Braking, another brake bracing wire bending relaxes when pulled for one of bracing wire.
6. braking mechanism according to claim 5, it is characterised in that：The drawing article is set there are two sliding slot, described in two
Brake bracing wire is respectively protruding into the sliding slot, and one end that the sliding slot is stretched into the brake bracing wire is equipped with pulling block, and the pulling block is in institute
It states in sliding slot and slides, to pull the drawing article.
7. the braking mechanism according to one of Claims 1-4, it is characterised in that：The brake bracing wire is equipped with two, respectively
For connecting two brake levers in left and right, the every brake bracing wire, which is divided into, pulls section and driven section, the pulling section and driven section it
Between be equipped with bracing wire connector, the bracing wire connector is for preventing two described brake one of bracing wires another brakes when pulled
Vehicle bracing wire bending relaxation.
8. braking mechanism according to claim 7, it is characterised in that：The bracing wire connector includes the first fixed seat and sets
Sliding block in first fixed seat, it is described pulling section and driven section be movably connected in the both ends of the sliding block.
9. a kind of vehicles, it is characterised in that：The vehicles include the braking mechanism described in one of claim 1 to 8.
10. the vehicles according to claim 9, it is characterised in that：The vehicles is bicycle, electric cars or rub
Motorcycle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721461861.5U CN207374593U (en) | 2017-11-06 | 2017-11-06 | A kind of braking mechanism and the vehicles |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721461861.5U CN207374593U (en) | 2017-11-06 | 2017-11-06 | A kind of braking mechanism and the vehicles |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207374593U true CN207374593U (en) | 2018-05-18 |
Family
ID=62335078
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721461861.5U Active CN207374593U (en) | 2017-11-06 | 2017-11-06 | A kind of braking mechanism and the vehicles |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207374593U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107856799A (en) * | 2017-11-06 | 2018-03-30 | 长兴罗拉机电有限公司 | A kind of braking mechanism and the vehicles |
-
2017
- 2017-11-06 CN CN201721461861.5U patent/CN207374593U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107856799A (en) * | 2017-11-06 | 2018-03-30 | 长兴罗拉机电有限公司 | A kind of braking mechanism and the vehicles |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Zhejiang Luyuan Electric Vehicle Co., Ltd. Assignor: Changxin Lola mechanical and Electrical Co., Ltd. Contract record no.: X2019330000002 Denomination of utility model: Braking mechanism and transportation vehicle Granted publication date: 20180518 License type: Exclusive License Record date: 20190808 |
|
| EC01 | Cancellation of recordation of patent licensing contract | ||
| EC01 | Cancellation of recordation of patent licensing contract |
Assignee: Zhejiang Lvyuan Electric Vehicle Co.,Ltd. Assignor: CHANGXING LUOLA ELECTROMECHANICAL Co.,Ltd. Contract record no.: X2019330000002 Date of cancellation: 20210712 |