CN100442968C - Cotton picking machine - Google Patents
Cotton picking machine Download PDFInfo
- Publication number
- CN100442968C CN100442968C CNB2006100411377A CN200610041137A CN100442968C CN 100442968 C CN100442968 C CN 100442968C CN B2006100411377 A CNB2006100411377 A CN B2006100411377A CN 200610041137 A CN200610041137 A CN 200610041137A CN 100442968 C CN100442968 C CN 100442968C
- Authority
- CN
- China
- Prior art keywords
- cotton
- rotating shaft
- wheel
- picking
- liang
- 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
- 229920000742 Cotton Polymers 0.000 title claims abstract description 111
- 238000003860 storage Methods 0.000 claims abstract description 29
- 238000004140 cleaning Methods 0.000 claims description 37
- 235000012343 cottonseed oil Nutrition 0.000 claims description 3
- 241000219146 Gossypium Species 0.000 description 68
- 239000012535 impurity Substances 0.000 description 7
- 238000003306 harvesting Methods 0.000 description 6
- 238000005096 rolling process Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 4
- 239000000428 dust Substances 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000035800 maturation Effects 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000002776 aggregation Effects 0.000 description 1
- 238000004220 aggregation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000000740 bleeding effect Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000003203 everyday effect Effects 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 230000002459 sustained effect Effects 0.000 description 1
Images
Landscapes
- Cleaning In General (AREA)
- Cleaning Implements For Floors, Carpets, Furniture, Walls, And The Like (AREA)
Abstract
The present invention relates to a cotton picker. It includes the following several portions: electric picking head, conveying hose, negative pressure fan, cotton storage barrel and DC power supply. Said invention also provides their connection mode and the concrete working principle of said cotton picker.
Description
Technical field
The present invention relates to agricultural machinery, more particularly, relate to a kind of cotton harvester.
Background technology
In China, large, medium and small type cotton picker all occurred, but all failed to obtain actual promoting the use of.Though external large-scale cotton picker is plucked cotton efficient height, use at home also to have a series of problems.At first, it has certain requirement to institute's piching cotton, requires the cotton in same field ripe simultaneously, grows into sustained height, also will fall leaves simultaneously.Obviously, present cotton seed and the plantation level of China also do not reach this requirement.In addition, the assorted rate height of the cotton that this large-scale cotton picker is plucked, and the screw feeder shape reaping apparatus of front end can prescind cotton-wool, thus the cotton quality of being gathered in the crops is descended, and cotton grower's economic benefit is affected.Have, this large-scale cotton picker cost height is not suitable for the operation in fritter cotton field again.
A kind of medium-sized cotton harvester with cotton-wool in the suction nozzle absorption cotton boll appearred in market, and for the different cotton boll of maturity, its suction is difficult to regulate, and suction is crossed and reached and impurity such as cotton leaf can be sucked in the lump, makes the percentage of impurity height of cotton-wool, and quality descends.Suction is too small can only to suck the cotton-wool at cotton boll center, and the cotton-wool that sticks on the cotton boll can not be drawn, and pick up rate is low, causes the cotton-wool loss.
Though various small cotton picking machines can alleviate manual labor to a certain extent, but the cotton of being gathered in the crops contains assorted problem, machine is very approaching with human body when plucking especially, make cotton-wool very easily the adhesion people hair and make the problem of the cotton quality decline of results fail to be well solved.
Summary of the invention
Purpose of the present invention is overcoming the deficiencies in the prior art, designs a kind of pick up rate height, the backpack cotton picking of the cotton substantially free of impurities of results, and it is realized by following technical scheme:
Comprise electric picking head, delivery hose, negative-pressure air fan, cotton storage barrel and dc source, delivery hose is communicated with electric picking head and cotton storage barrel, negative-pressure air fan places the position of corresponding inlet scoop on the cotton storage barrel, and dc source places in the cotton storage barrel and by lead and is connected with negative-pressure air fan with electric picking head.
Described electric picking head comprises support, gear drive, motor, picking wheel and cleaning wheel, the support upside is settled gear drive, form a gear-box, gear drive is by first, second liang of driving gear the 3rd, the 4th liang of driven gear and the 5th, the 6th liang of driven gear formed, machine shaft is connected with a driving gear rotating shaft wherein, the 3rd, the 5th liang of driven gear III, V and the 4th, the 6th liang of driven gear places the both sides of the first driving gear I and the second driving gear II respectively, and with its engagement, the 3rd, the 4th liang of driven gear III, the 3rd of IV, the 4th rotating shaft D 3, D4 and the 5th, the 5th of the 6th liang of driven gear, the 6th rotating shaft extends downward in the support respectively, in support the 3rd, the 4th rotating shaft and the 5th, connect one group of picking wheel and one group of cleaning wheel in the 6th rotating shaft respectively, the 3rd rotating shaft on one group of several picking wheel corresponding one by one with one group of several picking wheel in the 4th rotating shaft, and the relative rolling type backward rotation of work in support, one group of several cleaning wheel in the 5th rotating shaft are corresponding one by one with one group of several cleaning wheel in the 6th rotating shaft, and make the relative rolling type backward rotation in support.
The engagement radius of described first, second two driving gear I, II is identical, and the engagement radius of the 3rd, the 4th liang of driven gear III, IV is greater than the engagement radius of two driven gear V, VI.
The arrangement that interlaces vertically of one group of several picking wheel in described the 3rd, the 4th rotating shaft and one group of several cleaning wheel on changeing the 5th, the 6th, on the axial location of rotating shaft the 5th, the 6th corresponding two adjacent picking wheel spacing L1, settle cleaning wheel, and L1 is not less than the diameter of cottonseed; On the axial location of rotating shaft the 5th, the 6th corresponding two adjacent cleaning wheel spacing L2, settle picking wheel.
The periphery of described picking wheel is evenly equipped with the triangle tooth alternate with circular arc.
Two hypotenuses of lance tooth are not isometric on the described picking wheel periphery.
The periphery of described cleaning wheel is evenly equipped with several crescent teeth.
One side of described cotton storage barrel is provided with braces.
Be connected with handle on the described electric picking head.
The lower end of described cotton storage barrel is equipped with sled shape bottom.
The invention has the beneficial effects as follows: 1) pick up rate height, the picking wheel of employing rolling type is won the cotton-wool in the cotton boll, can effectively collect the cotton in the cotton boll, and pick up rate reaches more than 98%.2) harvesting process does not reduce cotton quality, and at first the picking wheel periphery is designed to the alternate shape tooth of trigonometric sum circular arc, can not break cotton fiber during the clamping cotton; Secondly, the rotating speed of cleaning wheel is higher than the rotating speed of picking wheel, and the cotton that on one side picking wheel is bonded on the picking wheel when cleaning wheel rotates scrapes, Yi Bian play the fan effect, constantly the cotton leaf around the cotton is dispelled away, keeps the cleaning of cotton; Have, it is targetedly that picking head is plucked again, selective maturation, the cotton boll of fallen leaves pluck, avoid impurity such as cotton leaf are collected into, cause contain assorted high; In addition, away from human body, operator's hair was difficult for entering when the picking head among the present invention was plucked, and whole thus harvesting process is not damaged, do not glue assorted to cotton fiber, keep the intrinsic characteristic of raw cotton.3) reduce labor intensity largely, the operator need not to bend over, as long as hand-held picking head is aimed at the cotton boll that will pluck, operation easily can be plucked unginned cotton 300kg for each person every day, compares with artificial harvesting and improves 3 times of effects.
Description of drawings
The structural representation of Fig. 1 mechanism of the present invention.
The structural representation of Fig. 2 electric picking head.
Fig. 3 is the A-A cutaway view of Fig. 2.
Fig. 4 picking wheel.
Fig. 5 is the vertical view of Fig. 4.
Fig. 6 cleaning wheel.
Fig. 7 is the vertical view of Fig. 6.
Among the figure, the 1st, electric picking head, the 2nd, handle, the 3rd, delivery hose, the 4th, braces, the 5th, cotton storage barrel, the 6th, negative-pressure air fan, the 7th, blower fan case, the 8th, cotton storing bag, the 9th, dust cover support, the 10th, dust cover, the 11st, dc source, the 12nd, stick up the shape bottom, the 13rd, picking wheel, the 14th, cleaning wheel, the 15th, support, the 16th, motor, the 17th, lance tooth, the 18th, round-arced tooth, the 19th, crescent tooth, the 20th, gear drive, the 21st, gear-box, the 22nd, the short hypotenuse, the 23rd of lance tooth, the long hypotenuse of lance tooth, the 24th, cotton storage barrel lid, 26 axle sleeve, the 27th, the shaft shoulder.
Embodiment
The present invention will be further described below in conjunction with the drawings and specific embodiments.
Contrast Fig. 1, delivery hose 3 is communicated with electric picking head 1 and cotton storage barrels 5, and negative-pressure air fan 6 places the position, corresponding inlet scoop on the cotton storage barrel lid 24 of cotton storage barrel upper end.Dc source 11 places the bottom in the cotton storage barrel 5, and by lead respectively with electric picking head 1 on motor 16 be connected with negative-pressure air fan 11, to provide power supply to them.The outside of negative-pressure air fan 6 is added with blower fan case 7, connects by dustproof support in corresponding cotton storage barrel inboard and dustproofly makes cover, in case negative-pressure air fan 6 is when outwards bleeding, the dust in the cotton is aggregation in negative-pressure air fan 6 constantly.Place a cotton storing bag 8 in the cotton storage barrel 5, its mouthful turns in the outside of cotton storage barrel 5 upper port and tightens with a clamp special.One side of cotton storage barrel 5 is provided with braces, bears on both shoulders for the operator, and the lower end of cotton storage barrel 5 is equipped with sled shape bottom 12, is convenient to move on ground.When not bearing it and move for the operator, can be by dragging reach.The structure of cotton storage barrel bottom, frictional force are less relatively, when dragging and leicht fallen D/A.
Contrast Fig. 2, electric picking head 1 is made up of support 15, gear drive 20, motor 16, picking wheel 13, cleaning wheel 14 etc.Upside at support 15 is settled gear drive 20, forms a gear-box 21, covers motor 16 is installed on this gear-box.Gear drive 20 is made up of first, second two driving gear I, II, the 3rd, the 4th liang of driven gear III, IV and the 5th, the 6th liang of driven gear V, VI, and machine shaft is connected with the rotating shaft of the first driving gear I.Three, the 4th liang of driven gear III, V and the 4th, the 6th liang of driven gear IV, VI place the both sides of the first driving gear I and the second driving gear II respectively, and with its engagement.Three, the 3rd, the 4th rotating shaft D 3 of the 4th liang of driven gear III, IV, D4 and the 5th, the 5th, the 6th rotating shaft D 5 of the 6th liang of driven gear V, VI, D6 extend downward respectively in the support 15, connect one group of picking wheel 13 respectively on the 3rd, the 4th rotating shaft D 3 in support 15, the D4, on the 5th, the 6th rotating shaft D 5, D6, connect one group of cleaning wheel 14 respectively.Three, one group of cleaning wheel containing on 3 picking wheels 13, the five, the 6th rotating shaft D 5, the D6 of one group of picking wheel on the 4th rotating shaft D 3, the D4 contains 4 cleaning wheels.3 picking wheels on the rotating shaft D 3 are corresponding one by one with 3 picking wheels on the 4th rotating shaft D 4, and 4 cleaning wheels on the 5th rotating shaft D 5 are corresponding one by one with 4 cleaning wheels on the 6th rotating shaft D 6.During work, the rotate mutual backward rotation of relative rolling type of direction V F direction in support of a pair of picking wheel one to one or cleaning wheel sees also Fig. 3.
Please continue referring to Fig. 2, three, the arrangement that interlaces vertically of one group of 4 cleaning wheel on one group of 3 picking wheel on the 4th rotating shaft D 3, the D4 and the 5th, the 6th rotating shaft D 5, the D6, on the axial location of the 5th, the 6th rotating shaft D 5, the corresponding two adjacent picking wheel spacing L1 of D6, settle cleaning wheel 14, L1 is not less than the diameter of cottonseed, and general L1 minimum is got 10mm.On the axial location of the corresponding two adjacent cleaning wheel spacing L2 of D3, D4, settle picking wheel 13.Three, the axial spacing L1 between the 4th rotating shaft D 3, the D4 last two adjacent picking wheels 13 guarantees that by axle sleeve 26 14 axial spacing L2 of the 5th, the 6th rotating shaft D 5, D6 last two adjacent cleaning wheels is guaranteed by the shaft shoulder on the cleaning wheel 27, sees also Fig. 7.
The periphery of picking wheel 13 is evenly equipped with the lance tooth tooth alternate with circular arc, and wherein two hypotenuses of lance tooth 17 are not isometric.During picking wheel work, mainly by short hypotenuse 22 clamping cottons, the picking wheel of this profile of tooth when the clamping cotton, does not form damage to cotton fiber, sees also Fig. 3, Fig. 4, Fig. 5.
The periphery of cleaning wheel is evenly equipped with 4 crescent teeth, and its wall thickness is thicker, has the fan blade effect during rotation, sees also Fig. 6, Fig. 7.Because the engagement radius of driven gear III, IV is greater than the engagement radius of two driven gear V, VI, so the rotating speed of cleaning wheel will be higher than the rotating speed of picking wheel.
During operation, cotton storage barrel 5 can be carried on the back in both shoulders, also can place ground, handle on operator's hand electric picking head is aimed at cotton boll and is plucked, two groups (3 pairs) win cotton in the cotton boll to the picking wheel 13 of rolling type, and the shape tooth that the trigonometric sum circular arc of picking wheel periphery is alternate constantly is pushed to the cotton clamping in the electric picking head 1.The short hypotenuse 22 main clamping actions that rise, circle-arc tooth is alleviated the stretching action of rake tooth, makes cotton stressed suitably, and is can Yin Lali not excessive and break cotton fiber.Cleaning wheel 14 is between the picking wheel 13, and its rotating speed is higher than picking wheel, Yi Bian the cotton-wool that it constantly will be bonded on the picking wheel 13 strikes off, carries to delivery hose 5 and finishes first order conveying, Yi Bian constantly the impurity such as cotton leaf around the cotton are dispelled away.The negative-pressure air fan 6 of cotton storage barrel upside makes and forms negative pressure in the cotton storage barrel, and under the effect of this negative pressure, the cotton of carrying through cleaning wheel 14 is delivered to fast finishes the second level and carry in the cotton storage barrel 5.Whole harvesting results process keeps the raw cotton inherent characteristic to the cotton not damaged.During harvesting,, be difficult for adhesion operator's hair because the structure of picking head makes it far away from human body among the present invention, and plucking is targetedly, the cotton boll of selective maturation, fallen leaves is plucked, and is difficult for impurity such as cotton leaf are collected into, so the cotton substantially free of impurities that the present invention plucked.Simultaneously, picking wheel is to the harvesting mode picking efficiency height of rolling type among the present invention, and pick up rate is up to more than 98%.
Claims (9)
1, cotton harvester, comprise electric picking head, delivery hose, negative-pressure air fan, cotton storage barrel and dc source, delivery hose is communicated with electric picking head and cotton storage barrel, dc source places in the cotton storage barrel and by lead and is connected with negative-pressure air fan with electric picking head, it is characterized in that described negative-pressure air fan places the position of corresponding inlet scoop on the cotton storage barrel; Described electric picking head comprises support, gear drive, motor, picking wheel and cleaning wheel, the support upside is settled gear drive, form a gear-box, gear drive is by first, second liang of driving gear, the 3rd, the 4th liang of driven gear and the 5th, the 6th liang of driven gear formed, machine shaft is connected with a driving gear rotating shaft wherein, the 3rd, the 5th liang of driven gear and the 4th, the 6th liang of driven gear places the both sides of first driving gear and second driving gear respectively, and with its engagement, the 3rd, the 3rd of the 4th liang of driven gear, the 4th rotating shaft and the 5th, the 5th of the 6th liang of driven gear, the 6th rotating shaft extends downward in the support respectively, in support the 3rd, the 4th rotating shaft and the 5th, connect one group of picking wheel and one group of cleaning wheel in the 6th rotating shaft respectively, one group of several picking wheel in the 3rd rotating shaft are corresponding one by one with one group of several picking wheel in the 4th rotating shaft, and make backward rotation in the support in opposite directions, one group of several cleaning wheel in the 5th rotating shaft are corresponding one by one with one group of several cleaning wheel in the 6th rotating shaft, and make the backward rotation in the support in opposite directions.
2, cotton harvester according to claim 1 is characterized in that the engagement radius of described first, second two driving gear is identical, and the engagement radius of the 3rd, the 4th liang of driven gear is greater than the engagement radius of the 5th, the 6th liang of driven gear.
3, cotton harvester according to claim 2, it is characterized in that the arrangement that interlaces vertically of one group of several picking wheel in described the 3rd, the 4th rotating shaft and one group of several cleaning wheel in the 5th, the 6th rotating shaft, on the axial location of the corresponding two adjacent picking wheel spacing L1 of the 5th, the 6th rotating shaft, settle cleaning wheel, and L1 is not less than the diameter of cottonseed; On the axial location of the corresponding two adjacent cleaning wheel spacing L2 of the 5th, the 6th rotating shaft, settle picking wheel.
4, cotton harvester according to claim 1 is characterized in that the periphery of described picking wheel is evenly equipped with the triangle tooth alternate with circular arc.
5, cotton harvester according to claim 4 is characterized in that two hypotenuses of lance tooth on the described picking wheel periphery are not isometric.
6, cotton harvester according to claim 1 is characterized in that the periphery of described cleaning wheel is evenly equipped with several crescent teeth.
7, cotton harvester according to claim 1 is characterized in that a side of described cotton storage barrel is provided with braces.
8, cotton harvester according to claim 1 is characterized in that being connected with handle on the described electric picking head.
9, cotton harvester according to claim 1 is characterized in that the lower end of described cotton storage barrel is equipped with sled shape bottom.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CNB2006100411377A CN100442968C (en) | 2006-08-08 | 2006-08-08 | Cotton picking machine |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CNB2006100411377A CN100442968C (en) | 2006-08-08 | 2006-08-08 | Cotton picking machine |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1934925A CN1934925A (en) | 2007-03-28 |
CN100442968C true CN100442968C (en) | 2008-12-17 |
Family
ID=37952816
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNB2006100411377A Expired - Fee Related CN100442968C (en) | 2006-08-08 | 2006-08-08 | Cotton picking machine |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN100442968C (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102301846A (en) * | 2011-08-02 | 2012-01-04 | 王玉田 | Wheat root straw removing and deep burying machine |
CN103155760A (en) * | 2013-03-22 | 2013-06-19 | 郭清辉 | Guiding and pushing type honeysuckle picking machine |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103250519A (en) * | 2013-05-07 | 2013-08-21 | 孙永兰 | Shoulder cotton picker |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN2163508Y (en) * | 1993-03-05 | 1994-05-04 | 王子成 | Cotton picker |
CN2282764Y (en) * | 1996-07-04 | 1998-06-03 | 张卫明 | Picking machine for cotton |
CN2493009Y (en) * | 2001-05-25 | 2002-05-29 | 郑清荣 | Improved hand-held electric cotton-picking machine |
CN2561202Y (en) * | 2002-10-28 | 2003-07-23 | 张卫明 | Portable cotton picker |
CN2596728Y (en) * | 2002-10-24 | 2004-01-07 | 黄文元 | Hand held cotton picker |
CN200997780Y (en) * | 2006-08-08 | 2008-01-02 | 李寿清 | Cotton harvester |
-
2006
- 2006-08-08 CN CNB2006100411377A patent/CN100442968C/en not_active Expired - Fee Related
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN2163508Y (en) * | 1993-03-05 | 1994-05-04 | 王子成 | Cotton picker |
CN2282764Y (en) * | 1996-07-04 | 1998-06-03 | 张卫明 | Picking machine for cotton |
CN2493009Y (en) * | 2001-05-25 | 2002-05-29 | 郑清荣 | Improved hand-held electric cotton-picking machine |
CN2596728Y (en) * | 2002-10-24 | 2004-01-07 | 黄文元 | Hand held cotton picker |
CN2561202Y (en) * | 2002-10-28 | 2003-07-23 | 张卫明 | Portable cotton picker |
CN200997780Y (en) * | 2006-08-08 | 2008-01-02 | 李寿清 | Cotton harvester |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102301846A (en) * | 2011-08-02 | 2012-01-04 | 王玉田 | Wheat root straw removing and deep burying machine |
CN103155760A (en) * | 2013-03-22 | 2013-06-19 | 郭清辉 | Guiding and pushing type honeysuckle picking machine |
CN103155760B (en) * | 2013-03-22 | 2015-03-11 | 郭清辉 | Guiding and pushing type honeysuckle picking machine |
Also Published As
Publication number | Publication date |
---|---|
CN1934925A (en) | 2007-03-28 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN103782721B (en) | A kind of aspiration curries formula pepper picking reaping machine | |
CN103931344B (en) | A kind of from walking aspiration comb-tooth-type matrimony vine harvester | |
CN103782723B (en) | A kind of aspiration curries the jujube harvesting of formula winter and cleans reaping machine | |
CN205124374U (en) | Tooth comb formula prickly ash picking head | |
CN104081935B (en) | Pepper Harvester | |
CN200997780Y (en) | Cotton harvester | |
CN109005905A (en) | A kind of reciprocating chrysanthemum picking machine of hand push comb teeth | |
CN105766211A (en) | Rotary drum type safflower picking machine | |
CN108741977A (en) | A kind of sale frame for cotton yarn sale | |
CN100442968C (en) | Cotton picking machine | |
CN204168778U (en) | A kind of hand-held safflower harvest machine pair roller picker | |
CN203407234U (en) | Miniature cotton harvesting machine | |
CN110731170B (en) | A backpack-type litsea cubeba picking device | |
CN201075912Y (en) | Three point helix portable cotton picking machine | |
CN204539977U (en) | Cotton-picker head and the comb with this cotton-picker head select receipts formula cotton picker | |
CN205884025U (en) | Hand -held type medlar picking machine of fruit leaf disconnect -type harvesting is realized through subregion | |
CN105940866A (en) | Fruit and leaf separated type handheld wolfberry picking machine | |
CN205884018U (en) | Medlar picking machine of high tooth wheel bearing capacity low noise | |
CN103416158B (en) | Handheld cotton picker | |
CN201075911Y (en) | Portable miniature high-speed cotton picking machine | |
CN210016999U (en) | Gloves are picked to matrimony vine | |
CN204539980U (en) | For the comb tooth device of cotton picker | |
CN201585267U (en) | Cotton harvester | |
CN207633275U (en) | A kind of gardens fallen leaves automatic cleaning device | |
CN200950753Y (en) | Cotton picker |
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: 20081217 Termination date: 20100808 |