CN204109719U - A kind of Control arm assembly - Google Patents
A kind of Control arm assembly Download PDFInfo
- Publication number
- CN204109719U CN204109719U CN201420459186.2U CN201420459186U CN204109719U CN 204109719 U CN204109719 U CN 204109719U CN 201420459186 U CN201420459186 U CN 201420459186U CN 204109719 U CN204109719 U CN 204109719U
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- China
- Prior art keywords
- ball pivot
- ball
- control arm
- spherical hinge
- ball head
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Abstract
The utility model relates to a kind of Control arm assembly, be applied to the independent suspension structure of vehicle, wherein, three spherical hinge structures of two connecting arms comprising the shape that is in the shape of the letter V and the end being separately positioned on described two connecting arms, described two connecting arms respectively have an end to be jointly connected to the first spherical hinge structure in described three spherical hinge structures, described two connecting arms another end separately connects the second spherical hinge structure in described three spherical hinge structures and the 3rd spherical hinge structure respectively, described first spherical hinge structure is for connecting the vehicle bridge wheel limit steering swivel of described vehicle, described second spherical hinge structure and the 3rd spherical hinge structure are for being connected the vehicle frame of described vehicle.The utility model can avoid as far as possible tire in bob and tire steering procedure with the movement interference of suspension and vehicle frame, and longer Control arm structure can be adopted, reduce the pivot angle of Control arm when tire is beated, reduce the optimization difficulty of Control arm, improve the force-bearing situation of Control arm.
Description
Technical field
The utility model relates to engineering machinery field, particularly relates to a kind of Control arm assembly.
Background technology
In engineering truck, suspension ensures wheel or has elasticity between vehicle bridge and car load bearing system (vehicle frame or self-supporting body) and contact, and can transmitted load, relax impact, damped vibration and adjust the general name of the relative assemblies such as vehicle body position in car load traveling.In the several types of suspension, the left and right wheels of independent suspension does not have direct reciprocal influence, suspension is suffered and to pass to the impact load of vehicle body less, is beneficial to and improves the riding comfort of car load and the ground connection performance of tire, also can reduce inclination and the vibration of vehicle body.From the structure of independent suspension, mainly comprise guiding mechanism, damping element and elastic element, path of motion when wherein guiding mechanism determines wheel bounce and the change of wheel alignment parameter, and the position at roll center and trim center before and after car load, the road-holding property and the anti-side that affect car load are to a great extent inclined, trim ability; Damping element for absorbing the energy of suspension vertical shake, and is converted into thermal energy consumption and dissipates, and vibration is reduced rapidly; Elastic element is mainly used in relaxing and impacts.
As Fig. 1, shown in 2, for a kind of structural representation of existing double cross arm independent suspension, this double cross arm independent suspension is widely used on car front-wheel, its upper and lower two swing arm Length discrepancy, can see from figure, Top Crossbeam assembly a2 and lower cross arm assembly a3 is in the shape of the letter V, one end is arranged on the steering swivel of wheel a10 wheels by Upper shaft sleeve body a8 and lower shaft body a9, the other end is arranged on the drive axle a6 below vehicle frame a4 by two transverse arm connection bracket a7, and Top Crossbeam assembly a2 is short compared with lower cross arm assembly a3, when automotive wheel up-and-down movement, upper arm is less than underarm motion radian, make the inside and outside movement that tire top is slight, and bottom influences is less, be conducive to reducing wear on tyres, improve vehicle running smoothness and directional balance.
Hydro-pneumatic spring a1 is arranged on Top Crossbeam assembly a2, and one end of Top Crossbeam assembly a2 connects two transverse arm connection bracket a7, hinged with the below of hydro-pneumatic spring a1 in the middle part of it, and the upper end of hydro-pneumatic spring a1 is connected on vehicle frame a4 by hydro-pneumatic spring upper bracket a5.
For existing double cross arm independent suspension, due to Top Crossbeam assembly, Upper shaft sleeve body and connect the assembly that forms of bearing pin in tire hopping process, the revolute pair that Top Crossbeam is connected with wheel hub is that bearing pin and Top Crossbeam assembly, Upper shaft sleeve body are formed, and the equivalent length that thus Top Crossbeam is connected with wheel hub is the projector distance of Top Crossbeam in Fig. 2.And due to the existence of Upper shaft sleeve body, the length of Top Crossbeam is shortened, and then tire is when the stroke of beating same, Top Crossbeam pivot angle increases, the difficulty increase that lower cross arm is optimized; On the other hand, the reduction of Top Crossbeam length also can make the stressed increase of Top Crossbeam.In addition, also there is the interference problem between Top Crossbeam assembly and miscellaneous part in existing double cross arm independent suspension.
Utility model content
The purpose of this utility model be propose a kind of Control arm assembly, can improve Control arm stressing conditions and and other parts between interference problem.
For achieving the above object, the utility model provides a kind of Control arm assembly, be applied to the independent suspension structure of vehicle, wherein, three spherical hinge structures of two connecting arms comprising the shape that is in the shape of the letter V and the end being separately positioned on described two connecting arms, described two connecting arms respectively have an end to be jointly connected to the first spherical hinge structure in described three spherical hinge structures, described two connecting arms another end separately connects the second spherical hinge structure in described three spherical hinge structures and the 3rd spherical hinge structure respectively, described first spherical hinge structure is for connecting the vehicle bridge wheel limit steering swivel of described vehicle, described second spherical hinge structure and the 3rd spherical hinge structure are for being connected the vehicle frame of described vehicle.
Further, described first spherical hinge structure comprises the first ball pivot connecting ball head and the first ball pivot shell that cooperatively interact, described first ball pivot shell has the first through hole dividing the pipe link of spherical inner chamber and the described first ball pivot connecting ball head other end of confession coordinated to partially pass through with the ball head of described first ball pivot connecting ball head one end, the ball head of described first ball pivot connecting ball head divides in the spherical inner chamber being arranged on described first ball pivot shell, the pipe link part of described first ball pivot connecting ball head passes from described first through hole, and take turns limit steering swivel with the vehicle bridge of described vehicle and be connected.
Further, under the state of described Control arm assembly as the Top Crossbeam in the independent suspension structure of described vehicle, described first ball pivot shell is fixedly connected with flexible and damping element erection support, for installing described elasticity and damping element.
Further, described first ball pivot shell is fixedly connected with bolt connecting mode by axis hole interference fit with described elasticity and damping element erection support, or is fixedly connected with by welding manner, or integrally manufacturedly forms a fixed connection.
Further, described two connecting arms respectively have an end to be jointly fixedly connected on described first ball pivot shell, form rigidity V-shape.
Further, described second spherical hinge structure comprises the second ball pivot connecting ball head and the second ball pivot shell that cooperatively interact, described second ball pivot shell has the ball head being positioned at midway location with described second ball pivot connecting ball head and divides the spherical inner chamber coordinated and the second through hole partially passed through for the pipe link at described second ball pivot connecting ball head two ends, the ball head of described second ball pivot connecting ball head divides in the spherical inner chamber being arranged on described second ball pivot shell, the pipe link part of described second ball pivot connecting ball head passes from described second through hole respectively, and be connected directly or indirectly with the vehicle frame of described vehicle,
Described 3rd spherical hinge structure comprises the 3rd ball pivot connecting ball head and the 3rd ball pivot shell that cooperatively interact, described 3rd ball pivot shell has the ball head being positioned at midway location with described 3rd ball pivot connecting ball head and divides the spherical inner chamber coordinated and the third through-hole partially passed through for the pipe link at described 3rd ball pivot connecting ball head two ends, the ball head of described 3rd ball pivot connecting ball head divides in the spherical inner chamber being arranged on described 3rd ball pivot shell, the pipe link part of described 3rd ball pivot connecting ball head passes from described third through-hole respectively, and be connected directly or indirectly with the vehicle frame of described vehicle.
Further, described two connecting arms another end is separately fixedly connected on described second ball pivot shell and the 3rd ball pivot shell respectively.
Further, the centre of sphere of the bulb part of described first ball pivot connecting ball head is to the vertical line of centre of sphere line of the bulb part of described second ball pivot connecting ball head and the 3rd ball pivot connecting ball head and the vehicle bridge dead in line of described vehicle.
Further, the axis of the pipe link part of described second ball pivot connecting ball head and the 3rd ball pivot connecting ball head under initial position is the first predetermined angle with the axis of corresponding Control arm respectively.
Further, described first predetermined angle is 90 °.
Further, between the axis of described two connecting arms and the radial cross-section of described first spherical hinge structure respectively in the second predetermined angle and the 3rd predetermined angle.
Further, the span of described second predetermined angle is [-30 ° ~ 30 °], and the span of described 3rd predetermined angle is [-30 ° ~ 30 °].
Based on technique scheme, Control arm assembly of the present utility model have employed vehicle bridge wheel limit steering swivel and the vehicle frame that three spherical hinge structures connect vehicle respectively in the end of the Control arm of two shapes that are in the shape of the letter V, the ball pivot that vehicle bridge wheel limit steering swivel connects can avoid tire in bob and tire steering procedure with the movement interference of suspension, and compared to adopt in prior art the structure of two revolute pairs solve tyre revolution to the problem of beating, the structure of ball pair that adopts the utility model can reduce the space shared by sleeve body, thus longer Control arm structure can be adopted, reduce the pivot angle of Control arm when tire is beated, reduce the optimization difficulty of Control arm, the force-bearing situation of Control arm can also be improved, on the other hand, two spherical hinge structures of connecting vehicle frame can avoid Control arm in bob process with the movement interference of vehicle frame.
Accompanying drawing explanation
Accompanying drawing described herein is used to provide further understanding of the present utility model, and form a application's part, schematic description and description of the present utility model, for explaining the utility model, is not formed improper restriction of the present utility model.In the accompanying drawings:
Fig. 1,2 is the structural representation of a kind of existing double cross arm independent suspension under different visual angles.
Fig. 3 is the structural representation of an embodiment of the utility model Control arm assembly.
Fig. 4 is the scheme of installation of the first spherical hinge structure and elasticity and damping element erection support in the utility model Control arm assembly embodiment.
Fig. 5 be in the utility model Control arm assembly embodiment Control arm and ball pivot at the position overlooked under visual angle and angular relationship schematic diagram.
Fig. 6 is position under front viewing angle of Control arm and ball pivot and angular relationship schematic diagram in the utility model Control arm assembly embodiment.
Detailed description of the invention
Below by drawings and Examples, the technical solution of the utility model is described in further detail.
As shown in Figure 3, be the structural representation of an embodiment of the utility model Control arm assembly.Control arm assembly in the present embodiment can be applied to the independent suspension structure of vehicle, such as, as Top Crossbeam assembly or lower cross arm assembly.Wherein, Control arm assembly comprises two connecting arms 1,2 of the shape that is in the shape of the letter V and is separately positioned on three spherical hinge structures 3,4,5 of end of two connecting arms 1,2, two connecting arms 1,2 respectively have an end to be jointly connected on the first spherical hinge structure 3, and two connecting arms 1,2 respective another ends connect the second spherical hinge structure 4 and the 3rd spherical hinge structure 5 respectively.In these three spherical hinge structures, the first spherical hinge structure 3 is for connecting the vehicle bridge wheel limit steering swivel of vehicle, and the second spherical hinge structure 4 and the 3rd spherical hinge structure 5 are for being connected the vehicle frame of vehicle.
The matching relationship of limit steering swivel is taken turns with the Top Crossbeam assembly shown in Fig. 2 and vehicle bridge, existing Top Crossbeam assembly have employed the fit structure of two revolute pairs, the revolute pair that the revolute pair that formed of Top Crossbeam and assembly and Upper shaft sleeve body and Upper shaft sleeve body and steering swivel are formed respectively, the structure of this pair of revolute pair needs to take certain space, also can have influence on the length of Top Crossbeam assembly.And can see from the present embodiment of Fig. 3, if Control arm assembly is as the Top Crossbeam of suspension system, it is the fit structure of ball pair that itself and vehicle bridge take turns coordinating of limit steering swivel, can not only avoid tire in bob and tire steering procedure with the problem of the movement interference of suspension, but also the space saved transversely, the Control arm structure more grown can be realized in design, and then reduce the pivot angle of Control arm when tire is beated, reduce the optimization difficulty of Control arm, improve the force-bearing situation of Control arm.
Two end points at the V-shaped top of the Top Crossbeam assembly shown in Fig. 2 are also adopt the fit structure of revolute pair to be connected in two transverse arm connection bracket, the movement interference with vehicle frame is easily there is in this structure when Top Crossbeam bob, and can see from the present embodiment of Fig. 3, what the end of Control arm connecting vehicle frame all adopted is spherical hinge structure, form the fit structure of ball pair, therefore can solve preferably Control arm in bob process with the problem of the movement interference of vehicle frame.
Below, Fig. 4 shows a kind of specific implementation structure example of the first spherical hinge structure, composition graphs 3, this first spherical hinge structure 3 comprises the first ball pivot connecting ball head and the first ball pivot shell 31 that cooperatively interact, first ball pivot shell 31 has the spherical inner chamber coordinated with the bulb part 33 of first ball pivot connecting ball head one end and the first through hole passed for the pipe link part 32 of the first ball pivot connecting ball head other end, the bulb part 33 of the first ball pivot connecting ball head is arranged in the spherical inner chamber of the first ball pivot shell 31, the pipe link part 32 of the first ball pivot connecting ball head passes from the first through hole, and take turns limit steering swivel with the vehicle bridge of vehicle and be connected.
Bulb part 33 can be rotated in the spherical inner chamber of the first ball pivot shell 31, and the aperture of the first through hole on the first ball pivot shell 31 is greater than pipe link part 32, thus make the first ball pivot connector except can being rotated about axis, can also around axis oscillating, and the scope of pivot angle is determined by the size relationship of the first ball pivot connecting ball head and the first through hole, the conical surface that hunting range is is starting point with ball head branch center.
Control arm assembly in the present embodiment can use as the Top Crossbeam assembly in suspension frame structure, and also can use as lower cross arm assembly, the setting position of corresponding elasticity and damping element is different.During for Control arm assembly as Top Crossbeam in the independent suspension structure of vehicle, can be fixedly connected with an elasticity and damping element erection support 6 on the first ball pivot shell 31, this elasticity and damping element erection support 6 are used for installing elasticity and damping element.
Compared with the existing suspension frame structure shown in Fig. 2, one end of elasticity and damping element can be arranged on the position closer to steering swivel, farthest away from the position of vehicle frame, thus reduces the possibility interfered.On the other hand, this structure can also realize larger suspension lever ratio, in Fig. 3, suspension lever is 1 than substantially, and suspension lever is than larger, elasticity and damping element just can more effectively play a role, like this under the requirement meeting roll rate, do not need to adopt the higher elasticity of initial stiffness and damping element, thus improve the cruising characteristic of vehicle.
First ball pivot shell 31 can be fixedly connected with bolt connecting mode (the employing bolt 61 namely shown in Fig. 4 carries out the form be connected) by axis hole interference fit with elasticity and damping element erection support 6.In addition, that can also take other is fixedly connected with mode, such as welding manner or integrally manufactured etc.
First ball pivot shell 31 respectively has an end to be jointly fixedly connected on this first ball pivot shell 31 except fixing elasticity and damping element erection support 6, two connecting arms 1,2, forms rigidity V-shape.
Second spherical hinge structure 4 and the 3rd spherical hinge structure 5 can adopt identical version as can see from Figure 3, and be different from the first spherical hinge structure 3, wherein the second spherical hinge structure 4 comprises the second ball pivot connecting ball head 42 and the second ball pivot shell 41 cooperatively interacted, second ball pivot shell 41 has and is positioned at the bulb part of midway location (owing to being wrapped up by shell with the second ball pivot connecting ball head, so cannot directly see in figure, can it is seen that the pipe link part be connected with bulb part from figure) spherical inner chamber that coordinates and the second through hole partially passed through for the pipe link at the second ball pivot connecting ball head two ends, the ball head of the second ball pivot connecting ball head divides in the spherical inner chamber being arranged on the second ball pivot shell, the pipe link part of the second ball pivot connecting ball head passes from the second through hole respectively, and be connected directly or indirectly with the vehicle frame of vehicle.The second through hole on second ball pivot shell is two through holes relative to bulb partial symmetry, and there is the pipe link of two deads in line on both sides respectively through these two through holes centered by ball head divides, make the second ball pivot connecting ball head 42 to rotate relative to the second ball pivot shell 41 and to swing, rotation and the mode of swing can with reference to the first spherical hinge structures.
3rd spherical hinge structure comprises the 3rd ball pivot connecting ball head 52 and the 3rd ball pivot shell 51 that cooperatively interact, and other structures are all identical with the second spherical hinge structure, repeat no more here.For two connecting arms 1,2, its respective another end is fixedly connected on the second ball pivot shell 41 and the 3rd ball pivot shell 42 respectively.
Fig. 5 and Fig. 6 respectively illustrates the position of Control arm assembly under different visual angles and angular relationship, the centre of sphere of the bulb part of ball pivot connecting ball head in three spherical hinge structures is first represented respectively with alphabetical A, B, C, and alphabetical D represents the intersection point of centre of sphere A to the vertical line of the line of the centre of sphere B and C, then the line of AD then with the vehicle bridge dead in line of vehicle.Like this in the design of Control arm assembly, Control arm and the V-shaped angle of selecting different length can be needed, as long as make the vehicle bridge dead in line of its AD line and vehicle according to design.At the axis of the pipe link part of the second ball pivot connecting ball head 42 and the 3rd ball pivot connecting ball head 52, can be a predetermined angle respectively with the axis of corresponding Control arm when initial position, i.e. the first predetermined angle, such as, be set to 90 degree in Fig. 5 by the first predetermined angle.In other examples, also can be arranged to other angle, this mainly carries out determining according to the connection mode of suspension frame structure.
On the optimal design of the double wishbone suspension applied at Control arm assembly, respectively in the second predetermined angle between the axis of two connecting arms and the radial cross-section of described first spherical hinge structure
with the 3rd predetermined angle θ.And the second predetermined angle
can determine according to the functional requirement of the optimization situation of suspension positional parameter and anti-braking antidive with the setting of the 3rd predetermined angle θ, generally the scope of desirable [-30 ° ~ 30 °].
Finally should be noted that: above embodiment is only in order to illustrate that the technical solution of the utility model is not intended to limit; Although be described in detail the utility model with reference to preferred embodiment, those of ordinary skill in the field have been to be understood that: still can modify to detailed description of the invention of the present utility model or carry out equivalent replacement to portion of techniques feature; And not departing from the spirit of technical solutions of the utility model, it all should be encompassed in the middle of the technical scheme scope of the utility model request protection.
Claims (12)
1. a Control arm assembly, be applied to the independent suspension structure of vehicle, it is characterized in that, three spherical hinge structures of two connecting arms comprising the shape that is in the shape of the letter V and the end being separately positioned on described two connecting arms, described two connecting arms respectively have an end to be jointly connected to the first spherical hinge structure in described three spherical hinge structures, described two connecting arms another end separately connects the second spherical hinge structure in described three spherical hinge structures and the 3rd spherical hinge structure respectively, described first spherical hinge structure is for connecting the vehicle bridge wheel limit steering swivel of described vehicle, described second spherical hinge structure and the 3rd spherical hinge structure are for being connected the vehicle frame of described vehicle.
2. Control arm assembly according to claim 1, it is characterized in that, described first spherical hinge structure comprises the first ball pivot connecting ball head and the first ball pivot shell that cooperatively interact, described first ball pivot shell has the first through hole dividing the pipe link of spherical inner chamber and the described first ball pivot connecting ball head other end of confession coordinated to partially pass through with the ball head of described first ball pivot connecting ball head one end, the ball head of described first ball pivot connecting ball head divides in the spherical inner chamber being arranged on described first ball pivot shell, the pipe link part of described first ball pivot connecting ball head passes from described first through hole, and take turns limit steering swivel with the vehicle bridge of described vehicle and be connected.
3. Control arm assembly according to claim 2, it is characterized in that, under the state of described Control arm assembly as the Top Crossbeam in the independent suspension structure of described vehicle, described first ball pivot shell is fixedly connected with flexible and damping element erection support, for installing described elasticity and damping element.
4. Control arm assembly according to claim 3, it is characterized in that, described first ball pivot shell is fixedly connected with bolt connecting mode by axis hole interference fit with described elasticity and damping element erection support, or is fixedly connected with by welding manner, or integrally manufacturedly forms a fixed connection.
5. Control arm assembly according to claim 2, is characterized in that, described two connecting arms respectively have an end to be jointly fixedly connected on described first ball pivot shell, forms rigidity V-shape.
6. Control arm assembly according to claim 1, it is characterized in that, described second spherical hinge structure comprises the second ball pivot connecting ball head and the second ball pivot shell that cooperatively interact, described second ball pivot shell has the ball head being positioned at midway location with described second ball pivot connecting ball head and divides the spherical inner chamber coordinated and the second through hole partially passed through for the pipe link at described second ball pivot connecting ball head two ends, the ball head of described second ball pivot connecting ball head divides in the spherical inner chamber being arranged on described second ball pivot shell, the pipe link part of described second ball pivot connecting ball head passes from described second through hole respectively, and be connected directly or indirectly with the vehicle frame of described vehicle,
Described 3rd spherical hinge structure comprises the 3rd ball pivot connecting ball head and the 3rd ball pivot shell that cooperatively interact, described 3rd ball pivot shell has the ball head being positioned at midway location with described 3rd ball pivot connecting ball head and divides the spherical inner chamber coordinated and the third through-hole partially passed through for the pipe link at described 3rd ball pivot connecting ball head two ends, the ball head of described 3rd ball pivot connecting ball head divides in the spherical inner chamber being arranged on described 3rd ball pivot shell, the pipe link part of described 3rd ball pivot connecting ball head passes from described third through-hole respectively, and be connected directly or indirectly with the vehicle frame of described vehicle.
7. Control arm assembly according to claim 6, is characterized in that, described two connecting arms another end is separately fixedly connected on described second ball pivot shell and the 3rd ball pivot shell respectively.
8. Control arm assembly according to claim 6, it is characterized in that, the centre of sphere of the bulb part of described first ball pivot connecting ball head is to the vertical line of centre of sphere line of the bulb part of described second ball pivot connecting ball head and the 3rd ball pivot connecting ball head and the vehicle bridge dead in line of described vehicle.
9. Control arm assembly according to claim 6, is characterized in that, the pipe link part of described second ball pivot connecting ball head and the 3rd ball pivot connecting ball head axis under initial position is the first predetermined angle with the axis of corresponding Control arm respectively.
10. Control arm assembly according to claim 9, is characterized in that, described first predetermined angle is 90 °.
11. Control arm assemblies according to claim 1, is characterized in that, respectively in the second predetermined angle and the 3rd predetermined angle between the axis of described two connecting arms and the radial cross-section of described first spherical hinge structure.
12. Control arm assemblies according to claim 11, is characterized in that, the span of described second predetermined angle is [-30 ° ~ 30 °], and the span of described 3rd predetermined angle is [-30 ° ~ 30 °].
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420459186.2U CN204109719U (en) | 2014-08-14 | 2014-08-14 | A kind of Control arm assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420459186.2U CN204109719U (en) | 2014-08-14 | 2014-08-14 | A kind of Control arm assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204109719U true CN204109719U (en) | 2015-01-21 |
Family
ID=52327069
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420459186.2U Withdrawn - After Issue CN204109719U (en) | 2014-08-14 | 2014-08-14 | A kind of Control arm assembly |
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| Country | Link |
|---|---|
| CN (1) | CN204109719U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104149568A (en) * | 2014-08-14 | 2014-11-19 | 徐州重型机械有限公司 | Control arm assembly |
-
2014
- 2014-08-14 CN CN201420459186.2U patent/CN204109719U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104149568A (en) * | 2014-08-14 | 2014-11-19 | 徐州重型机械有限公司 | Control arm assembly |
| CN104149568B (en) * | 2014-08-14 | 2017-03-29 | 徐州重型机械有限公司 | A kind of control arm assembly |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20150121 Effective date of abandoning: 20170329 |
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| AV01 | Patent right actively abandoned |
Granted publication date: 20150121 Effective date of abandoning: 20170329 |