CN105114485A - Clutch booster assembly for automobile - Google Patents
Clutch booster assembly for automobile Download PDFInfo
- Publication number
- CN105114485A CN105114485A CN201510579485.9A CN201510579485A CN105114485A CN 105114485 A CN105114485 A CN 105114485A CN 201510579485 A CN201510579485 A CN 201510579485A CN 105114485 A CN105114485 A CN 105114485A
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- China
- Prior art keywords
- clutch
- cylinder
- piston
- clutch booster
- oil
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- Hydraulic Clutches, Magnetic Clutches, Fluid Clutches, And Fluid Joints (AREA)
Abstract
The invention provides a clutch booster assembly for an automobile. The clutch booster assembly comprises a clutch booster. The clutch booster comprises an air cylinder, an air reservoir and a piston valve assembly used for controlling the control air cylinder and the air reservoir to be communicated or not to be communicated. A cavity where the piston valve assembly is located is communicated with an oil outlet of a clutch master pump. The clutch booster assembly further comprises a hydraulic cylinder, a clutch slave pump and an installing support used for fixedly connecting the clutch booster to an automobile body. An oil inlet channel communicated with the hydraulic cylinder is formed in a cylinder body of the hydraulic cylinder, and a hydraulic piston and a first pressing spring are arranged in the hydraulic cylinder. One end of the first pressing spring abuts against the bottom wall of the hydraulic cylinder. The hydraulic piston is sleeved with the other end of the first pressing spring and the end of the first pressing spring abuts against a first stepped surface of the hydraulic piston. The end, far away from the first pressing spring, of the hydraulic piston abuts against a pneumatic piston rod of the air cylinder and the oil inlet channel is communicated with the oil outlet of the clutch master pump. The hydraulic cylinder is communicated with an oil inlet of the clutch slave pump. According to the technical scheme, the defect of limited space is overcome and reliable separating force is provided.
Description
Technical field
This
inventionrelate to brake system of car technical field, be specifically related to
a kind of clutch booster assembly of automobile.
Background technique
The control gear of clutch generally has two kinds: a kind of is all-hydraulic control, is namely exerted pressure to clutch pedal by manpower, thus provides the Separating force needed for clutch separation; Another kind is air pressure assisted form, and namely clutch pedal provides clutch for clutch control signal, and Separating force provides primarily of air pressure, and more all-hydraulic control is compared, more laborsaving.
The internal structure of the clutch booster of prior art
as Fig. 1shown in, during clutch separation power-assisted, step on clutch pedal, pressure oil in clutch general pump inputs the first chamber 1 ' from filler opening, and generation makes piston shaft 2 ' generation thrust left, simultaneously, pressure oil in clutch general pump acts on control piston 3 ', control piston 3 ' is moved to left, namely valve 4 ' moves to left, and close exhaust valve, open intake valve, pressurized air is through suction port, valve 4 ' flows into the second chamber 5 ', air pressure promotes pneumaticpiston 6 ' and is moved to the left, now, while gas pressure and oil liquid pressure under effect, push rod 7 ' moves to left, thus promote the separation rocking arm of clutch, realize power-assisted during clutch separation, when removing clutch separation power-assisted, loosen clutch pedal, at return spring 8 ' with under the effect of atmospheric pressure, control piston 3 ' is moved to right, close intake valve, open exhaust valve, pressurized air from relief opening discharged to air, simultaneously under the effect of clutch compressing disc returning place force and cylinder returning pull-spring, push rod 7 ' returns to initial makeup location pneumaticpiston 6 '.
In above-mentioned structure, the separation rocking arm due to clutch needs to be driven by push rod, and therefore, clutch booster needs 10 ' to be arranged on gearbox 11 ', to realize being rigidly connected between the two, but, for dumping car or sanitation cart,
as Fig. 2shown in, also need power take-off 9 ' is installed, and due to the setting of power take-off, the installing space of gearbox periphery is limited, it is caused not possess the condition of installing clutch booster, therefore, develop aly can realize air pressure clutch power-assisted, be those skilled in the art's problems urgently to be resolved hurrily without the need to being subject to the clutch booster of installing space restriction again.
Summary of the invention
This
inventionprovide
a kind of clutch booster assembly of automobile, achieve being separated of clutch booster and gear box casing, thus improve due to space-constrained defect when gear box casing periphery installing space is little, clutch booster is installed, reliable Separating force can be provided simultaneously.
To achieve these goals, originally
inventiontake following technological scheme:
a kind of clutch booster assembly of automobile, comprise clutch booster, described clutch booster comprises cylinder, gas receiver, with the piston valve assembly controlling described cylinder and to be communicated with gas receiver or to close, the cavity at described piston valve assembly place is communicated with the oil outlet of clutch general pump, described clutch booster assembly also comprises oil hydraulic cylinder, be fixed in the clutch slave cylinder of gear box casing, with affixed described clutch booster in the mounting bracket of car body, the cylinder body of described oil hydraulic cylinder offers the oil input channel be communicated with described oil hydraulic cylinder, and in described oil hydraulic cylinder, be provided with hydraulic piston and the first stage clip, one end of described first stage clip is resisted against the diapire of described oil hydraulic cylinder, the other end is set in outside described hydraulic piston, and be resisted against the first ladder surface of described hydraulic piston, described hydraulic piston away from one end of described first stage clip and the pneumatic piston rod of described cylinder against, and described oil input channel is communicated with the oil outlet of described clutch general pump, described oil hydraulic cylinder is communicated with the filler opening of described clutch slave cylinder.
Preferably, also comprise the elastic ring being set in described hydraulic piston, the second-order tread of described elastic ring and described hydraulic piston against.
Preferably, described elastic ring comprise center hole, along described center hole edge and to first annular flange flange of extending near the side of described first stage clip, with be located at outer and the second annular flange flange of predeterminable range with interval of described first annular flange flange, the bearing of trend of described second annular flange flange is identical with the bearing of trend of described first annular flange flange, and described first annular flange flange is connected by connecting wall with described second annular flange flange, described hydraulic piston embeds described center hole, and described connecting wall and described second-order tread are fitted.
Preferably, also comprise setting sleeve, described setting sleeve is set in described hydraulic piston, and compresses the peripheral wall of described first annular flange flange.
Preferably, described first stage clip is cone structure, the small end of described first stage clip and described setting sleeve against, the large end of described first stage clip and described diapire against.
Preferably, described hydraulic piston is also provided with seal section, and described seal section closes the filler opening of described oil input channel.
Preferably, described hydraulic piston is provided with arcuate socket near one end of described pneumatic piston rod, described pneumatic piston rod against described hydraulic piston in described arcuate socket.
The beneficial effect that the present invention obtains is:
The invention provides
a kind of clutch booster assembly of automobile, comprise clutch booster, described clutch booster comprises cylinder, gas receiver, with the piston valve assembly controlling described cylinder and to be communicated with gas receiver or to close, the cavity at described piston valve assembly place is communicated with the oil outlet of clutch general pump, clutch booster assembly also comprises oil hydraulic cylinder, be fixed in the clutch slave cylinder of gear box casing, affixed described clutch booster is in the mounting bracket of car body, the cylinder body of described oil hydraulic cylinder offers the oil input channel be communicated with described oil hydraulic cylinder, and in described oil hydraulic cylinder, be provided with hydraulic piston and the first stage clip, one end of described first stage clip is resisted against the diapire of described oil hydraulic cylinder, the other end is set in outside described hydraulic piston, and be resisted against the first ladder surface of described hydraulic piston, described hydraulic piston away from one end of described first stage clip and the pneumatic piston rod of described cylinder against, and described oil input channel is communicated with the oil outlet of described clutch general pump, described oil hydraulic cylinder is communicated with the filler opening of described clutch slave cylinder.Adopt this technological scheme, the thrust of push rod of the prior art is optimized for the oil liquid pressure of hydraulic system, avoid being rigidly connected between push rod and clutch separation rocking arm, but adopt clutch booster, the clutch slave cylinder be installed on gear box casing, and connect the scheme of hydraulic pipe line between, realize power-assisted during clutch separation, thus make being separated of clutch booster and gear box casing, improve the defect that in prior art, gearbox periphery installing space is limited; Meanwhile, reduce because gearbox is in impact on clutch booster under the operating mode of dither, for a long time for clutch separation provides reliable Separating force.
Accompanying drawing explanation
fig. 1for the internal structure of the clutch booster of prior art is illustrated
figure;
fig. 2for the clutch booster of prior art and the installation of gearbox are illustrated
figure;
fig. 3for the connection of an embodiment of clutch booster of the present invention is illustrated
figure;
fig. 4for the analysing and observe an of embodiment of clutch booster of the present invention
figure;
fig. 5for the amplification of hydraulic piston of the present invention and pneumatic piston rod joint is looked
figure;
fig. 6for the axle of an embodiment of elastic ring of the present invention is surveyed
figure;
fig. 7for an embodiment of hydraulic piston of the present invention and elastic ring, setting sleeve, seal ring install after analyse and observe
figure;
fig. 8for stressed under oil pressure effect of an embodiment of elastic ring of the present invention
figure.
accompanying drawingdescription of symbols:
fig. 1in-2: 1 '-the first chamber; 2 '-piston shaft; 3 '-control piston; 4 '-valve; 5 '-the second chamber; 6 '-pneumaticpiston; 7 '-push rod; 8 '-return spring; 9 '-power take-off.
fig. 3in-8: 100-clutch booster; 10-cylinder; 11-pneumatic piston rod; 12-pneumaticpiston; 20-piston valve assembly; 21-control piston; 22-pneumatic valve; 23-return spring; 30-oil hydraulic cylinder; 31-oil input channel; 32-hydraulic piston; 321-arcuate socket; 322-seal section; 323-seal ring; 33-first stage clip; 40-elastic ring; 41-center hole; 42-first annular flange flange; 43-second annular flange flange; 44-connecting wall; 50-setting sleeve; 51-bends; 200-clutch slave cylinder; 300-mounting bracket.
Embodiment
This is understood better in order to make those skilled in the art
inventiontechnological scheme, below in conjunction with
accompanying drawingto this
inventionbe further detailed.
In conjunction with
fig. 3shown in-8, the invention provides
a kind of clutch booster assembly of automobile, comprise clutch booster 100, clutch booster comprises cylinder 10, gas receiver, the piston valve assembly 20 being communicated with gas receiver with control cylinder 10 or closing, the cavity at piston valve assembly 20 place is communicated with the oil outlet of clutch general pump, in order to solve the defect existed in prior art, invention has been following technological improvement: this clutch booster assembly also comprises oil hydraulic cylinder 30, be fixed in the clutch slave cylinder 200 of gear box casing, with the mounting bracket 300 of affixed described clutch booster in car body, the cylinder body of oil hydraulic cylinder 30 offers the oil input channel 31 be communicated with oil hydraulic cylinder, and in oil hydraulic cylinder, be provided with hydraulic piston 32 and the first stage clip 33, one end of first stage clip 33 is resisted against the diapire of oil hydraulic cylinder, the other end is set in outside hydraulic piston, and be resisted against the first ladder surface of hydraulic piston, hydraulic piston away from one end of the first stage clip and the pneumatic piston rod 11 of cylinder against, and oil input channel is communicated with the oil outlet of clutch general pump, oil hydraulic cylinder is communicated with the filler opening of clutch slave cylinder.Adopt this technological scheme, the thrust of push rod of the prior art is optimized for the oil liquid pressure of hydraulic system, avoid being rigidly connected between push rod and clutch separation rocking arm, but adopt clutch booster, the clutch slave cylinder be installed on gear box casing, and connect the scheme of hydraulic pipe line between, realize power-assisted during clutch separation, thus make being separated of clutch booster and gear box casing, improve the defect that in prior art, gearbox periphery installing space is limited; Meanwhile, reduce because gearbox is in impact on clutch booster under the operating mode of dither, for a long time for clutch separation provides reliable Separating force.
In above-mentioned technological scheme, also comprise the elastic ring 40 being set in hydraulic piston, the second-order tread of elastic ring and hydraulic piston against, elastic ring can realize compression and reply under the effect of hydraulic oil, when stepping on clutch pedal, hydraulic oil enters oil hydraulic cylinder, elastic ring is compressed under the effect of oil liquid pressure, when unclamping clutch pedal, oil liquid pressure reduces, elastic ring replys distortion, now, reply in the process of distortion at elastic ring, elastic ring has the effect vacuumized, hydraulic oil is by oil input channel inhalant liquid cylinder pressure, to play the function that fluid compensates, thus the fluid total amount in guarantee oil hydraulic circuit.
Particularly, elastic ring 40 comprises center hole 41, centrally hole edge and to first annular flange flange 42 of extending near the side of the first stage clip, with be located at outer and the second annular flange flange 43 of predeterminable range with interval of the first annular flange flange, the bearing of trend of the second annular flange flange is identical with the bearing of trend of the first annular flange flange, and the first annular flange flange is connected by connecting wall 44 with the second annular flange flange, during installation, hydraulic piston embeds in center hole, and connecting wall and second-order tread are fitted against, hydraulic oil acts on the surface between the first annular flange flange and the second annular flange flange, the structure of this elastic ring increases the active area of oil pressure, make elastic ring can produce comparatively large deformation under oil pressure effect, to ensure the function that its oil-feed compensates.
And further, in order to ensure the reliable location of elastic ring, also comprise setting sleeve 50, setting sleeve is set in hydraulic piston 32, and compress the peripheral wall of the first annular flange flange 42, particularly, the center of this setting sleeve is provided with through hole, its circumferential outer edge is provided with bending 51, bending 51 bends towards the side near elastic ring, during installation, and setting sleeve is set in hydraulic piston by through hole, and fit with the first ladder surface, the peripheral wall of bending compression first flange, and the first stage clip is resisted against setting sleeve, this scheme makes elastic ring be fixed on reliably on hydraulic piston, avoid defects such as coming off under oil pressure effect.
And further, in order to increase the stability of the first stage clip under oil pressure effect, preferably the first stage clip 33 is cone structure, the small end of the first stage clip 33 and setting sleeve 50 against, the large end of the first stage clip and the diapire of oil hydraulic cylinder against, this structure ensure that stability during hydraulic piston to-and-fro motion, reduces its vibration.
And further, pneumatic piston rod 11 and hydraulic piston 32 against, when hydraulic piston to-and-fro motion, pneumatic piston rod and hydraulic piston moved in coaxial, for ensureing the centering of pneumatic piston rod and hydraulic piston axis, be preferably provided with arcuate socket 321 at hydraulic piston near one end of pneumatic piston rod, pneumatic piston rod 11 against hydraulic piston in arcuate socket 321, the program can limit the skew of pneumatic piston rod in its radial direction, improves the centering of motion.
Under oil liquid pressure, hydraulic piston moves to the side away from pneumatic piston rod, preferably on hydraulic piston, be provided with seal section 322, seal section 322 is fitted with the inwall of oil hydraulic cylinder, the filler opening of oil input channel can be closed, to avoid hydraulic oil excessive, hydraulic piston is also provided with seal ring 323, to ensure sealability simultaneously.
Below in conjunction with
fig. 3describe the working principle of clutch booster provided by the invention in detail:
During clutch separation power-assisted, step on clutch pedal, the pressure oil of clutch general pump is divided into two-way, one tunnel enters in oil hydraulic cylinder 30, acts on hydraulic piston 32, and hydraulic piston is moved to the direction of oil outlet, elastic ring 40 is compacted, meanwhile, the seal section 322 of hydraulic piston closes oil input channel, closes supercharging to realize oil hydraulic cylinder, another road acts on piston valve assembly 20, piston valve comprises control piston 21, pneumatic valve 22 and return spring 23, oil pressure makes control piston be moved to the left, close exhaust valve, and control piston promotion valve is moved to the left, and open intake valve, pressurized air in gas receiver is through suction port, valve flows in cylinder block, air pressure promotes pneumaticpiston 12 and is moved to the left, now, while atmospheric pressure and hydraulic coupling under effect, hydraulic piston moves to oil outlet, pressure in oil hydraulic cylinder and outlet line is increased further, thus power-assisted when realizing clutch separation.
Otherwise, when removing clutch separation power-assisted, loosen clutch pedal, thus remove the oil liquid pressure of clutch general pump oil outlet, under the effect of return spring and gas pressure, control piston is moved right, close intake valve, open exhaust valve, pressurized air from relief opening discharged to air, simultaneously at the hydraulic pressure reverse active force of clutch compressing disc return, under the effect of oil hydraulic cylinder return spring and cylinder returning pull-spring, hydraulic piston gets back to initial position, oil input channel is communicated with again with oil hydraulic cylinder, simultaneously, because cylinder pressure is eliminated, elastic ring replys distortion from compressive state, compensating oil is drawn into oil hydraulic cylinder from oil input channel, realize compensating liquid.
It may be noted that, because the pneumaticpiston area in cylinder is large, and the area of hydraulic piston in oil hydraulic cylinder is little, under the active force of identical gas pressure, its pressure difference is comparatively large, thus achieves the unlatching of low pressure liquid control air pressure valve, promotion hydraulic piston, is converted into the output of high pressure liquid, namely gas increases liquid structure, and hydraulic pressures increases than the inverse ratio for cylinder area and oil hydraulic cylinder area.
Below be only this
inventionpreferred implementation, it is pointed out that these embodiments only for illustration of this
inventionand be not used in restriction originally
inventionscope, and, to read this
inventioncontent after, relevant technical staff in the field can to this
inventionmake various change or amendment, these equivalent form of values fall into the application's appended claims limited range equally.
Claims (7)
1. the clutch booster assembly of an automobile, comprise clutch booster, described clutch booster comprises cylinder, gas receiver, with the piston valve assembly controlling described cylinder and to be communicated with gas receiver or to close, the cavity at described piston valve assembly place is communicated with the oil outlet of clutch general pump, it is characterized in that, described clutch booster assembly also comprises oil hydraulic cylinder, be fixed in the clutch slave cylinder of gear box casing, with affixed described clutch booster in the mounting bracket of car body, the cylinder body of described oil hydraulic cylinder offers the oil input channel be communicated with described oil hydraulic cylinder, and in described oil hydraulic cylinder, be provided with hydraulic piston and the first stage clip, one end of described first stage clip is resisted against the diapire of described oil hydraulic cylinder, the other end is set in outside described hydraulic piston, and be resisted against the first ladder surface of described hydraulic piston, described hydraulic piston away from one end of described first stage clip and the pneumatic piston rod of described cylinder against, and described oil input channel is communicated with the oil outlet of described clutch general pump, described oil hydraulic cylinder is communicated with the filler opening of described clutch slave cylinder.
2. clutch booster assembly according to claim 1, is characterized in that, also comprises the elastic ring being set in described hydraulic piston, the second-order tread of described elastic ring and described hydraulic piston against.
3. clutch booster assembly according to claim 2, it is characterized in that, described elastic ring comprises center hole, along described center hole edge and to first annular flange flange of extending near the side of described first stage clip, with be located at outer and the second annular flange flange of predeterminable range with interval of described first annular flange flange, the bearing of trend of described second annular flange flange is identical with the bearing of trend of described first annular flange flange, and described first annular flange flange is connected by connecting wall with described second annular flange flange, described hydraulic piston embeds described center hole, described connecting wall and described second-order tread are fitted.
4. clutch booster assembly according to claim 3, is characterized in that, also comprise setting sleeve, and described setting sleeve is set in described hydraulic piston, and compresses the peripheral wall of described first annular flange flange.
5. clutch booster assembly according to claim 4, is characterized in that, described first stage clip is cone structure, the small end of described first stage clip and described setting sleeve against, the large end of described first stage clip and described diapire against.
6. the clutch booster assembly according to any one of claim 1-5, it is characterized in that, described hydraulic piston is also provided with seal section, described seal section closes the filler opening of described oil input channel.
7. the clutch booster assembly according to any one of claim 1-5, is characterized in that, described hydraulic piston is provided with arcuate socket near one end of described pneumatic piston rod, described pneumatic piston rod against described hydraulic piston in described arcuate socket.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510579485.9A CN105114485A (en) | 2015-09-11 | 2015-09-11 | Clutch booster assembly for automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510579485.9A CN105114485A (en) | 2015-09-11 | 2015-09-11 | Clutch booster assembly for automobile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105114485A true CN105114485A (en) | 2015-12-02 |
Family
ID=54662554
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510579485.9A Pending CN105114485A (en) | 2015-09-11 | 2015-09-11 | Clutch booster assembly for automobile |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105114485A (en) |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60129431A (en) * | 1983-12-15 | 1985-07-10 | Saitama Kiki Kk | Clutch booster device |
| US4809508A (en) * | 1986-03-26 | 1989-03-07 | Bendix France | Clutch-disengaging hydraulic actuators preventing wheel slip |
| CN201121669Y (en) * | 2007-12-03 | 2008-09-24 | 陈金祥 | Oil supply type clutch booster pump |
| CN101858393A (en) * | 2010-07-07 | 2010-10-13 | 瑞立集团瑞安汽车零部件有限公司 | Clutch booster |
| CN201651107U (en) * | 2010-03-30 | 2010-11-24 | 洛阳路通重工机械有限公司 | Control mechanism of road roller master clutch |
| CN203796798U (en) * | 2014-01-21 | 2014-08-27 | 山东五征集团有限公司 | Automobile clutch power assisting device |
| CN204004071U (en) * | 2014-07-09 | 2014-12-10 | 浙江荣众机械有限公司 | Clutch booster |
| CN104214254A (en) * | 2014-08-28 | 2014-12-17 | 南车眉山车辆有限公司 | Brake cylinder piston assembly for railway vehicle |
| CN204458905U (en) * | 2015-02-15 | 2015-07-08 | 安徽江淮汽车股份有限公司 | A kind of clutch slave cylinder assembly and leather cup thereof |
| CN204921769U (en) * | 2015-09-11 | 2015-12-30 | 安徽江淮汽车股份有限公司 | Clutch booster assembly of car |
-
2015
- 2015-09-11 CN CN201510579485.9A patent/CN105114485A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60129431A (en) * | 1983-12-15 | 1985-07-10 | Saitama Kiki Kk | Clutch booster device |
| US4809508A (en) * | 1986-03-26 | 1989-03-07 | Bendix France | Clutch-disengaging hydraulic actuators preventing wheel slip |
| CN201121669Y (en) * | 2007-12-03 | 2008-09-24 | 陈金祥 | Oil supply type clutch booster pump |
| CN201651107U (en) * | 2010-03-30 | 2010-11-24 | 洛阳路通重工机械有限公司 | Control mechanism of road roller master clutch |
| CN101858393A (en) * | 2010-07-07 | 2010-10-13 | 瑞立集团瑞安汽车零部件有限公司 | Clutch booster |
| CN203796798U (en) * | 2014-01-21 | 2014-08-27 | 山东五征集团有限公司 | Automobile clutch power assisting device |
| CN204004071U (en) * | 2014-07-09 | 2014-12-10 | 浙江荣众机械有限公司 | Clutch booster |
| CN104214254A (en) * | 2014-08-28 | 2014-12-17 | 南车眉山车辆有限公司 | Brake cylinder piston assembly for railway vehicle |
| CN204458905U (en) * | 2015-02-15 | 2015-07-08 | 安徽江淮汽车股份有限公司 | A kind of clutch slave cylinder assembly and leather cup thereof |
| CN204921769U (en) * | 2015-09-11 | 2015-12-30 | 安徽江淮汽车股份有限公司 | Clutch booster assembly of car |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information |
Address after: 230601 Anhui Province, Hefei City Industrial Park, the Peach Blossom Road No. 669 Applicant after: Anhui Jianghuai Automobile Group Limited by Share Ltd Address before: 230601 Anhui Province, Hefei City Industrial Park, the Peach Blossom Road No. 669 Applicant before: Anhui Jianghuai Automotive Co., Ltd. |
|
| CB02 | Change of applicant information | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20151202 |
|
| RJ01 | Rejection of invention patent application after publication |