CN100432329C - Clutch of washing machine - Google Patents
Clutch of washing machine Download PDFInfo
- Publication number
- CN100432329C CN100432329C CNB031094562A CN03109456A CN100432329C CN 100432329 C CN100432329 C CN 100432329C CN B031094562 A CNB031094562 A CN B031094562A CN 03109456 A CN03109456 A CN 03109456A CN 100432329 C CN100432329 C CN 100432329C
- Authority
- CN
- China
- Prior art keywords
- shaft assembly
- belt pulley
- coupling parts
- clutch
- disengaging coupling
- 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.)
- Expired - Fee Related
Links
Images
Landscapes
- Main Body Construction Of Washing Machines And Laundry Dryers (AREA)
Abstract
The present invention relates to a clutch of a washing machine, which comprises a belt pulley, a washing shaft assembly, a dewatering shaft assembly, a brake lever, a clutch lever and a power switching mechanism, wherein the belt pulley is connected with a motor, the upper end of the washing shaft assembly is fixed on a washing agitator at the lower part of a washing tank, the lower end of the washing shaft assembly is fixed together to the belt pulley, the upper end of the dewatering shaft assembly is fixed on the lower part of the washing tank, the brake lever is used for stopping the rotation of the dewatering shaft assembly, the clutch lever is connected to the brake lever, and the power switching mechanism is controlled by the brake lever. The power switching mechanism comprises a belt pulley rod, a clutch coupling part, an elastic part, a first driving part and a second driving part, wherein the belt pulley rod is fixed on the belt pulley, the clutch coupling part which is arranged at the lower end of the dewatering shaft assembly and outside the belt pulley rod can move and can cause the lower end of the dewatering shaft assembly to be engaged with or be separated from the belt pulley rod, the elastic part is used for exerting elastic force on the clutch coupling part, and the first driving part and the second driving part are connected to the tail end of the clutch rod and can move horizontally and contact or be separated from both sides of the clutch coupling part to cause the clutch coupling part to move upwards and downwards. The present invention has the advantages of simple structure, reliable performance and low cost.
Description
Technical field
The present invention relates to washing machine, relate in particular to clutch.
Background technology
In general, washing machine is that rubbing action, the agitator of the emulsification by washing agent, the current that rotate with the washing wave wheel of washing stirr (Pulsator) is applied to the percussion on the washings and the machine that will remove attached to all contaminations above clothes, the bedding etc.
Such washing machine all possesses the clutch as dynamic conductive device, this clutch can the revolving force of motor conduct selectively to the sink that washings is housed and be installed in sink inside washing stirr and make their the rotation.In the inside of such clutch, give washing stirr in order to conduct again after the revolving force of motor can being reduced, thereby the wash shaft of reduction gear component being installed and being connected with washing stirr.
The structure of existing washing machine clutch as shown in the figure, gear shaft 31 is equipped with on the top that obtains the clutch pulley 10 of power from the drive motors (not shown) of washing machine, wash shaft 32 is equipped with on the top of gear shaft 31, and dehydrating shaft 33 is equipped with in the outside of wash shaft 32.
The lower end of above-mentioned dehydrating shaft 33 is fixed with the brake cylinder 34 of double as upper gear case, the following lower teeth roller box 35 that connecting of brake cylinder 34, and being equipped with in the inside of brake cylinder 34 can be with the gear train 37 of dynamic retarding.
Here, the a series of parts that comprise gear shaft 31 and gear train 37 and wash shaft 32 have constituted the wash shaft assembly and can rotate, the a series of parts that comprise lower teeth roller box 35 and brake cylinder 34 and dehydrating shaft 33 have constituted the dehydrating shaft assembly, and they can rotate together.
In addition, in the lower end of clutch powershift mechanism is housed, this powershift mechanism can be under washing mode and dehydration mode conducts the revolving force of belt pulley 10 to wash shaft assembly and dehydrating shaft assembly selectively.In this powershift mechanism, fixing spring block (springblock) 38 and clutch hub (clutch boss) 39 in the lower end of gear shaft 31, brake lever 21 is installed on the periphery of brake cylinder 34, brake lever can move along with the action that is used for the solenoid (not shown) that drives draining valve, one side of this brake lever 21 be equipped with can be along with the motion of above-mentioned brake lever 21 transmission clutch bar 22, the driving cam 25 that can rotate along with the motion of clutch lever 22 is equipped with in the lower end of clutch lever 22.
The course of action of existing washing machine clutch with said structure is as described below.
At first, under washing mode, electromagnetic valve (solenoid valve) is in off-state, therefore clutch lever 22 can be pushed under the effect of brake lever 21, this moment, clutch hub 39 can be engaged on the driving cam 25 with the clutch lever interlock, thereby clutch spring 40 (clutch spring) is promoted to the direction that diameter increases.
Thus, the clutch spring 40 that increased of diameter will keep the state that leaves from the outer surface of spring block 39.
Thereupon, the revolving force of motor (not shown) conducts to after the belt pulley 10 that is installed on the clutch by the belt (not shown), can conduct again to the gear shaft 31 that is connected with it, next give the washing stirr (not shown) by wash shaft 32 conduction that are connected gear shaft 31 upper ends, and make the washing stirr rotation thus.
In addition, under dehydration mode, washings in the sink (not shown) of washing machine are under the state of natural drainage, if above-mentioned electromagnetic valve starts, thereby pulling brake lever 21, so under the interlock effect of clutch lever 22, driving cam 25 can spin off from the sawtooth (serration) of clutch hub 39, so the diameter of clutch spring 40 will diminish, and this moment, clutch spring 40 can clamp (clamping) to lower teeth roller box 35 and spring block 38 simultaneously under the effect of recuperability.
If obtained gear shaft 31 rotations of the power of motor (not shown) in this state, the spring block 38 that is fixed on so on the gear shaft 31 can be with gear shaft 31 rotations, this moment is owing to gripping spring block 38 and lower teeth roller box 35 clutch springs 40 and can rotate to winding direction, therefore can bring into play bigger clamping action power, it just can not slide like this, and can make brake cylinder 34 and gear train 37 rotations.
Meanwhile, when dehydration, the revolving force that conducts to clutch from the drive motors (not shown) not only can also can conduct to dehydrating shaft 33 simultaneously to wash shaft 32 conduction, thereby makes washing stirr and the rotation of sink one superhigh speed, realizes dehydration.
In addition, when stopping to dewater, brake lining 36 can be close on brake cylinder 34 outer surfaces its forced brake, thereby sink is stopped.
But the existing problem of aforesaid existing clutch for washing machine is: in order to conduct selectively to wash shaft assembly and dehydrating shaft assembly in the driving force of washing mode and the following motor of dehydration mode, in the lower end of clutch powershift mechanism has been installed, the structure of this powershift mechanism is too complicated, give to make and bring difficulty, and manufacturing expense is increased.
Summary of the invention
In order to overcome the above-mentioned shortcoming that prior art exists, the invention provides a kind of clutch for washing machine, its improvement is used for conducting the power of the motor of washing machine to the performance of the powershift mechanism of wash shaft and dehydrating shaft selectively and reducing cost.
The technical solution adopted for the present invention to solve the technical problems is:
A kind of clutch for washing machine comprises possessing under the effect of motor and the belt pulley of rotation, the upper end be fixed on the bottom that is installed on sink and the rotatable washing stirr and wash shaft assembly that lower end and described belt pulley are fixed together, the upper end is fixed on the dehydrating shaft assembly that the periphery with described wash shaft assembly of the bottom of sink wraps up, be used for brake lever that described dehydrating shaft assembly is stopped the rotation, be connected the clutch lever on the described brake lever, can be along with the action of described brake lever the power of motor selectively to the powershift mechanism of dehydrating shaft assembly conduction; It is characterized in that: described powershift mechanism comprises: connecting the belt pulley bar that is fixed on the described belt pulley under the lower end of described dehydrating shaft assembly; Be installed in the outside of the lower end of described dehydrating shaft assembly and described belt pulley bar and can move up and down, thus the lower end that makes described dehydrating shaft assembly and the engagement of belt pulley bar or the disengaging coupling parts that separate; Be used for applying the elastomeric element of downward elastic force to described disengaging coupling parts; The end that one end is connected described clutch lever can move horizontally along with the action of clutch lever, and its other end can or separate with the inclination facial contact of a side of described disengaging coupling parts when moving horizontally, thereby the 1st driver part that described disengaging coupling parts are moved up and down; Also comprise the 2nd driver part, it is " [" shape, the one end is fixedly connected on a side of described the 1st driver part, and described the 1st driver part that its other end is positioned at described disengaging coupling parts and described disengaging coupling parts contact or separate opposite one side of a side, the 2nd driver part can be with described the 1st driver part interlock, thereby contact with the inclination faces with opposite one side described the 1st driver part and the contact of described disengaging coupling parts or the side of separating described disengaging coupling parts or separate, and the disengaging coupling parts are moved up and down; Formed the top serrations that is gear tooth profiles on the outer surface of the end portion of described dehydrating shaft assembly, on the outer surface of described belt pulley bar, formed the bottom serrations that is gear tooth profiles, and with the serrations of described dehydrating shaft assembly and belt pulley bar accordingly, on the inner surface of described disengaging coupling parts, formed inner serrations; Formed along the downward-sloping described inclination of outer surface facially on the outer surface of described disengaging coupling parts, on the end portion of described the 1st driver part and the 2nd driver part, formed and facial corresponding the inclinations face of inclination of described disengaging coupling; The inclination face of described disengaging coupling parts is bent downwardly and forms, and the inclination face of described the 1st, 2 driver parts is bent upwards and forms.
Description of drawings
The present invention is further described below in conjunction with drawings and Examples.
Fig. 1 is the longitdinal cross-section diagram of the primary structure of existing clutch for washing machine
Fig. 2 is the longitdinal cross-section diagram of primary structure that the washing machine of clutch for washing machine of the present invention is housed
Fig. 3 is the structure of clutch for washing machine shown in Figure 2 and longitdinal cross-section diagram and the ground plan that the effect when washing mode generally shows thereof
Fig. 3 A is the structure of clutch for washing machine shown in Figure 2 and the ground plan that the effect when washing mode generally shows thereof
Fig. 4 is the structure of clutch for washing machine shown in Figure 2 and longitdinal cross-section diagram and the ground plan that the effect when dehydration mode generally shows thereof
Fig. 4 A is the structure of clutch for washing machine shown in Figure 2 and the ground plan that the effect when dehydration mode generally shows thereof
The number in the figure explanation:
1: water jacket 3: sink
4: washing stirr 6: wash shaft assembly (assembly)
7: dehydrating shaft assembly 8: drive motors
9: clutch 10: belt pulley
11: top serrations (serration) 12: belt pulley bar (pulley boss)
13: bottom serrations 14: disengaging coupling (coupling) parts
15: face 50,55: the 1,2 driver parts tilt
51,56: it is facial to tilt
The specific embodiment
A desirable example to clutch for washing machine of the present invention is described in detail with reference to the accompanying drawings.
At first have a look the structure of the washing machine that clutch of the present invention is housed, as shown in Figure 2, be equipped with and be used for the water jacket 1 of splendid attire washings being used for the outside of sink 3 of splendid attire washings, the washing stirr 4 that can rotate is equipped with in the bottom of sink 3, the upper end of the wash shaft assembly 6 of clutch 9 is fixed on the axle center (hub) 5 of described washing stirr 4, and the upper end of the dehydrating shaft assembly 7 of clutch 9 is fixed on the bottom of sink 3.
In addition, drive motors 8 is housed below the described water jacket 1, this drive motors 8 is connected with the belt pulley 10 of clutch 9 by V belt 24.
In addition, as shown in Figure 3 and Figure 4, the end portion of the wash shaft assembly 6 of described clutch 9 is fixed on the belt pulley 10, on the outer surface of the end portion of dehydrating shaft assembly 7, formed the top serrations 11 that is gear tooth profiles of one with it, under the lower end of described dehydrating shaft assembly 7, connect the belt pulley bar 12 that can be fixed on the belt pulley 10, forming the bottom serrations 13 that is the face of gear shape on the outer surface of its middle belt pulley bar.
In addition, disengaging coupling parts 14 are equipped with in the lower end of described clutch 9, and these disengaging coupling parts are pipes of hollow of the outside of a lower end that is wrapped in dehydrating shaft assembly 7 and belt pulley bar 12, and it can move up and down.In addition, the inside serrations 16 that has formed on the inner surface of described disengaging coupling parts 14 so that its can correspondence be engaged on top serrations 11 and the bottom serrations 13.Formed the inclination face 15 of one with it on the outer surface of disengaging coupling parts 14, it forms the inclined plane by being bent downwardly, and outwards outstanding along the cylinder direction.
In addition, the structure of described disengaging coupling parts 14 is: its upper end is supported on the dehydrating shaft assembly 7, the other end is subjected to the support of inside elastic force under the effect of coil compression springs 18, wherein supported in the groove 17 of coil compression springs by the upper end of insertion disengaging coupling parts 14.
One side of described disengaging coupling parts 14 is equipped with the 1st driver part 50 and the 2nd driver part 55, they can move horizontally along with the action that is connected the clutch lever 22 on the brake lever 21, and disengaging coupling parts 14 are moved up and down.The structure of described the 1st driver part 50 is: an end is connected the end of clutch lever 22, and the other end needs and can contact with the inclination face 15 of disengaging coupling parts 14.Also formed with the end of the 1st driver part 50 of the facial 15 corresponding contacts of the inclination of described disengaging coupling parts 14 and to have tilted facial 51, this face that tilts forms by outwardly-bent, and the purpose that forms it is in order to make the 1st driver part can more slidingly enter into facial 15 inboard soon.
In addition, the structure of described the 2nd driver part 55 is: it roughly is " [" shape, one end is fixed on a side of described the 1st driver part 50, the other end need to walk around disengaging coupling parts 14 a side periphery and contact with the inclination face 15 of opposite one side of disengaging coupling parts 14.The same with the end portion of facial 15 contacted the 2nd driver parts 55 of the inclination of described clutch shaft coupling parts 14 with the 1st driver part 50, also formed and tilted facially 56, this inclination face also forms by outwardly-bent.
Therefore, described the 1st driver part 50 and the 2nd driver part 55 interlock therewith when clutch lever 22 action, thus contact with the both sides of the inclination face 15 of disengaging coupling parts 14 or separate, and disengaging coupling parts 14 are moved up and down.
In addition, when only disengaging coupling parts 14 being risen with described the 1st driver part 50, disengaging coupling parts 14 banking take place and the phenomenon that can not normally rise easily, the 2nd driver part 55 can one side provide the power that disengaging coupling parts 14 are risen from the opposite, thereby can prevent the generation of above-mentioned phenomenon.
The course of action of clutch for washing machine of the present invention with said structure is as described below.
At first, as shown in Figure 3, under washing mode,, thereby make the end of the 1st, 2 driver parts 50,55 enter into the inboard of the inclination face 15 of disengaging coupling parts 14 along with the mobile clutch lever 22 of brake lever 21 can be pushed.Here, because the end of described the 1st, 2 driver parts 50,55 has formed crooked inclination face 51,56, thereby it can rise disengaging coupling parts 14 when contacting soon with the inclination facial 15 of disengaging coupling parts 14 is sliding.
Next, along with disengaging coupling parts 14 rise in aforesaid mode, disengaging coupling parts 14 can be removed the engagement between the bottom serrations 13 with belt pulley bar 12 on one side, Yi Bian only become the state that the top serrations 11 with dehydrating shaft assembly 7 meshes.
In this state,, make belt pulley 10 rotations, also can rotate with its joining wash shaft assembly 6 so, and then make washing stirr 4 (with reference to Fig. 2, Fig. 3) rotation if the power of drive motors 8 conducts to belt pulley 10.Here because disengaging coupling parts 14 have been removed and belt pulley bar 12 between engagement, thereby the revolving force of belt pulley bar 12 can be to dehydrating shaft assembly 7 conduction.
In addition, as shown in Figure 4, under dehydration mode,, so will become the 1st, the 2nd driver part 50,55 and break away from the state that comes from the inclination facial 15 of disengaging coupling parts 14 along with the mobile clutch lever 22 of brake lever 21 can be pulled.
Thus, be compressed the disengaging coupling parts 14 meeting declines that wind spring 18 resiliency supported, thereby make its inner serrations 16 and the top serrations 11 of dehydrating shaft assembly 7 and bottom serrations 13 engagements of belt pulley bar 12.
In this state, if the power of drive motors 8 conducts to belt pulley 10, thereby make belt pulley 10 rotations, so with its joining wash shaft assembly 6 and therewith rotation of belt pulley bar 12, this moment, the top serrations 11 owing to dehydrating shaft assembly 7 was connected on the belt pulley bar 12 by disengaging coupling parts 14, thereby the revolving force of belt pulley bar 12 can conduct same as before to dehydrating shaft assembly 7, thereby makes sink 3 (with reference to Fig. 2) rotation, realizes dehydration.
The effect of invention
As mentioned above, the present invention owing to simplified be used under washing mode and dehydration mode selectively The power of motor conducts the powershift mechanism to wash shaft assembly and dehydrating shaft assembly, thereby can make system Make and maintenance is more prone to and reduces manufacturing expense.
Claims (1)
1, a kind of clutch for washing machine comprises possessing under the effect of motor and the belt pulley of rotation, the upper end be fixed on the bottom that is installed on sink and the rotatable washing stirr and wash shaft assembly that lower end and described belt pulley are fixed together, the upper end is fixed on the dehydrating shaft assembly that the periphery with described wash shaft assembly of the bottom of sink wraps up, be used for brake lever that described dehydrating shaft assembly is stopped the rotation, be connected the clutch lever on the described brake lever, can be along with the action of described brake lever the power of motor selectively to the powershift mechanism of dehydrating shaft assembly conduction; It is characterized in that:
Described powershift mechanism comprises: connecting the belt pulley bar that is fixed on the described belt pulley under the lower end of described dehydrating shaft assembly; Be installed in the outside of the lower end of described dehydrating shaft assembly and described belt pulley bar and can move up and down, thus the lower end that makes described dehydrating shaft assembly and the engagement of belt pulley bar or the disengaging coupling parts that separate; Be used for applying the elastomeric element of downward elastic force to described disengaging coupling parts; The end that one end is connected described clutch lever can move horizontally along with the action of clutch lever, and its other end can or separate with the inclination facial contact of a side of described disengaging coupling parts when moving horizontally, thereby the 1st driver part that described disengaging coupling parts are moved up and down; Also comprise the 2nd driver part, it is " [" shape, the one end is fixedly connected on a side of described the 1st driver part, and described the 1st driver part that its other end is positioned at described disengaging coupling parts and described disengaging coupling parts contact or separate opposite one side of a side, the 2nd driver part can be with described the 1st driver part interlock, thereby contact with the inclination face of opposite one side of described the 1st driver part of described disengaging coupling parts and described disengaging coupling parts contact or the side of separating or separate, and the disengaging coupling parts are moved up and down;
Formed the top serrations that is gear tooth profiles on the outer surface of the end portion of described dehydrating shaft assembly, on the outer surface of described belt pulley bar, formed the bottom serrations that is gear tooth profiles, and with the serrations of described dehydrating shaft assembly and belt pulley bar accordingly, on the inner surface of described disengaging coupling parts, formed inner serrations;
Formed along the downward-sloping described inclination of outer surface facially on the outer surface of described disengaging coupling parts, on the end portion of described the 1st driver part and the 2nd driver part, formed and facial corresponding the inclinations face of inclination of described disengaging coupling;
The inclination face of described disengaging coupling parts is bent downwardly and forms, and the inclination face of described the 1st, 2 driver parts is bent upwards and forms.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB031094562A CN100432329C (en) | 2003-04-11 | 2003-04-11 | Clutch of washing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB031094562A CN100432329C (en) | 2003-04-11 | 2003-04-11 | Clutch of washing machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1536150A CN1536150A (en) | 2004-10-13 |
| CN100432329C true CN100432329C (en) | 2008-11-12 |
Family
ID=34319349
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB031094562A Expired - Fee Related CN100432329C (en) | 2003-04-11 | 2003-04-11 | Clutch of washing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100432329C (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102277710B (en) * | 2011-07-20 | 2013-01-30 | 宁波普尔机电制造有限公司 | Variable-frequency speed-reducing clutch of bionic hand rubbing of washing machine |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1191253A (en) * | 1997-02-18 | 1998-08-26 | 三星电子株式会社 | Power system of washing machine |
| JPH11290578A (en) * | 1998-04-10 | 1999-10-26 | Matsushita Electric Ind Co Ltd | Full-automatic washer |
| CN1269437A (en) * | 1999-03-26 | 2000-10-11 | 东芝株式会社 | Washing machine with dewatering function |
| CN1384239A (en) * | 2001-05-08 | 2002-12-11 | Lg电子株式会社 | Directly driven washing machine |
| CN1396332A (en) * | 2001-07-11 | 2003-02-12 | 松下电器产业株式会社 | Washing machine |
-
2003
- 2003-04-11 CN CNB031094562A patent/CN100432329C/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1191253A (en) * | 1997-02-18 | 1998-08-26 | 三星电子株式会社 | Power system of washing machine |
| JPH11290578A (en) * | 1998-04-10 | 1999-10-26 | Matsushita Electric Ind Co Ltd | Full-automatic washer |
| CN1269437A (en) * | 1999-03-26 | 2000-10-11 | 东芝株式会社 | Washing machine with dewatering function |
| CN1384239A (en) * | 2001-05-08 | 2002-12-11 | Lg电子株式会社 | Directly driven washing machine |
| CN1396332A (en) * | 2001-07-11 | 2003-02-12 | 松下电器产业株式会社 | Washing machine |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1536150A (en) | 2004-10-13 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP2004521703A (en) | Fully automatic washing machine and its control method | |
| CN1099492C (en) | Power system of washing machine | |
| CN100432329C (en) | Clutch of washing machine | |
| CN100451223C (en) | Clutch of washing machine | |
| CN203967901U (en) | A kind of motor tractor | |
| CN106978704B (en) | Tooth-meshing clutch device of washing machine | |
| JP2004518505A (en) | Washing machine | |
| CN107385787A (en) | The washing of washing machine and dehydration conversion equipment | |
| CN2212596Y (en) | Portable washer | |
| CN203933252U (en) | The motor rotor construction of motor tractor | |
| CN205636212U (en) | Novel washing machine transmission device | |
| CN2795255Y (en) | Sleeve type washing machine | |
| KR100308282B1 (en) | Driving apparatus for washing machine | |
| CN104065203A (en) | Motor rotor structure of motor tractor | |
| CN2614214Y (en) | Onoff and brake device of motor speed transmission equitant tub washing machine | |
| CN105986409B (en) | Washing machine tooth slot type clutch elution conversion device | |
| JP2896128B2 (en) | Power switching device for washing machine | |
| CN218842646U (en) | Double-transmission speed reduction clutch and washing machine | |
| KR20040104979A (en) | clutch of full automation-type washing machine | |
| CN104113161A (en) | Motor tractor | |
| KR200146123Y1 (en) | Clutch apparatus of a washing machine | |
| KR20040049160A (en) | device for perventing rotation of dehydration tub in washing mode in direct drive type washing machine | |
| CN2700369Y (en) | Integrative power plant for telescopic washing machine | |
| KR100445997B1 (en) | transmisson for washing machine | |
| CN2378411Y (en) | Washing machine with inner receptacle and pulsator backward rotating during washing |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20081112 |