CN1837730A - Drawer of refrigerator - Google Patents
Drawer of refrigerator Download PDFInfo
- Publication number
- CN1837730A CN1837730A CNA2006100659052A CN200610065905A CN1837730A CN 1837730 A CN1837730 A CN 1837730A CN A2006100659052 A CNA2006100659052 A CN A2006100659052A CN 200610065905 A CN200610065905 A CN 200610065905A CN 1837730 A CN1837730 A CN 1837730A
- Authority
- CN
- China
- Prior art keywords
- cylinder
- drawer
- support
- refrigerator
- buffer unit
- 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.)
- Granted
Links
- 238000003825 pressing Methods 0.000 claims description 8
- 238000004519 manufacturing process Methods 0.000 claims description 3
- 210000000078 claw Anatomy 0.000 abstract description 6
- 238000003860 storage Methods 0.000 abstract description 2
- 239000006096 absorbing agent Substances 0.000 abstract 2
- 230000035939 shock Effects 0.000 abstract 2
- 239000000463 material Substances 0.000 description 8
- 230000002093 peripheral effect Effects 0.000 description 8
- 230000006835 compression Effects 0.000 description 7
- 238000007906 compression Methods 0.000 description 7
- 210000002683 foot Anatomy 0.000 description 7
- 229920002545 silicone oil Polymers 0.000 description 7
- 230000003116 impacting effect Effects 0.000 description 6
- 229920003002 synthetic resin Polymers 0.000 description 4
- 239000000057 synthetic resin Substances 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 239000011159 matrix material Substances 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- 230000004323 axial length Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 235000013305 food Nutrition 0.000 description 2
- 230000002040 relaxant effect Effects 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 238000005381 potential energy Methods 0.000 description 1
- 235000013311 vegetables Nutrition 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D25/00—Charging, supporting, and discharging the articles to be cooled
- F25D25/02—Charging, supporting, and discharging the articles to be cooled by shelves
- F25D25/024—Slidable shelves
- F25D25/025—Drawers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D23/00—General constructional features
- F25D23/06—Walls
- F25D23/065—Details
- F25D23/067—Supporting elements
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Refrigerator Housings (AREA)
- Vibration Dampers (AREA)
- Drawers Of Furniture (AREA)
Abstract
The objective of the invention is to provide a drawer device for a refrigerator using a shock absorber constituted to eliminate looseness when assembled while improving versatility. The drawer device for the refrigerator comprises a slide rail 6 and a drawer (sliding type container 3) movably placed on the slide rail. The slide rail is provided with a traction device 41 applying pull-in force to the drawer into a storage position, and the shock absorber (a damper 1) is fixed through a bracket (a damper holder 21) connected to the traction device. It is preferable that the rear end of the traction device and the front end of the bracket are provided with cylindrical parts (a front support part 22 and a fitting part 47) fitted to each other and that a check claw 48 is formed at one of the cylindrical parts while forming a cutout hole 26 engaged with the check claw, at the other.
Description
Technical field
The present invention relates to the drawer of refrigerator, particularly possess the refrigerator drawer that is used to relax the buffer unit that arrives the impact when holding extreme position.
Background technology
Known have the piston that possesses aperture is slided, use the viscous drag of the fluid by aperture to come to apply the buffer unit (opening flat 8-215475 communique) of the cylinder/piston formula of brake force with reference to patent documentation 1 spy to motion with the bar of piston one.
On the other hand, in refrigerator, the container refrigerator slidably that makes storage food is arranged.In the container of this type of drawer type, get back to from the position of pulling out under the situation of accommodated position at the container that makes a large amount of food of packing into, because container weight is big when extreme position is held in arrival, so produce big impulsive force sometimes.For relaxing this type of impulsive force, consider to use above-mentioned buffer unit.
Under situation about this type of buffer unit being located on the refrigerator drawer, for example, under the integrally formed situation of the joint portion that makes and be mounted body with the synthetic resin material and cylinder part, particularly, if the joint portion is complex-shaped, then exist cylinder to be subjected to the creep distortion of joint portion and the damping capacity that easily the makes buffer unit problem of variation gradually.
For not producing this type of problem, it is desirable to make buffer unit and the support that is mounted body is the branch body component.Like this, owing to improved the versatility of buffer unit, so easily.
On the other hand, if consider the accuracy of manufacture of buffer unit, then need gap to a certain degree between support and the buffer unit to assembleability and the support and the cylinder of support.But, thereby this type of gap becomes the essential factor that diminishes durability owing to the bump of cylinder when piston slides support makes wearing and tearing aggravation between the two at every turn, so finally need to install with gap.
Summary of the invention
The present invention is based on this viewpoint and propose, its main purpose provides a kind of the use and improves versatility and can eliminate loosening when installing and the refrigerator drawer of the buffer unit that constitutes.
For addressing this is that, the refrigerator drawer of the solution of the present invention 1, by slide rail 6 and movably the drawer (slidingtype container 3) of mounting on this slide rail constitute, to be located on the above-mentioned slide rail to the draw-gear 41 that this drawer applies the power of drawing in of accommodated position direction, fix buffer unit (buffer 1) by the support that combines with this draw-gear (buffer carriage 21).
In addition, the solution of the present invention 2 is provided with chimeric cylindrical portion (front support portion 22, fitting portion 47) mutually on the front end of the rear end of above-mentioned draw-gear and above-mentioned support, one square one-tenth check pawl 48 of this cylindrical portion forms the incision hole 26 that tightens with above-mentioned check pawl the opposing party.
Particularly, feasible has, buffer unit is fixed in (scheme 3) on the support by flexibly being sticked in the chucking body (saddle type body 28) on the support, perhaps, make above-mentioned buffer unit possess cylinder and piston and make cylinder 11 be fixed in (scheme 4) on the support by flexibly being sticked in the chucking body on the support, perhaps, on above-mentioned chucking body, be arranged on and act on radially pressing force generation mechanism's (flexure strip 31) (scheme 5) of pressing force on the cylinder, or, two support portion (front support portions 22 of each end of axis direction of support cylinder respectively are set on above-mentioned support, back support portion 23) (scheme 6), the pressing force production part (elastic force produces material 32) (scheme 7) of the pressing force that produces axis direction perhaps, is set between axis direction one end of cylinder and support portion one side clampingly.
According to the formation of this solution of the present invention 1, owing to can buffer unit be fixed on the guide rail by being attached to draw-gear again after constituting buffer unit and support respectively and making both combinations, so can in the generalization that promotes buffer unit, play very big effect.Especially, according to the formation of scheme 2, owing to can make draw-gear and support combination securely by once contacting, so can improve easy assembleability.Have again, according to the formation of scheme 3 to 7, but because countercylinder acts on axis direction and elastic force radially respectively, so can becoming flexible when eliminating installation obtain very big effect.
Description of drawings
Fig. 1 is the pith stereogram of the refrigerator that is suitable for of the present invention.
Fig. 2 is the sectional view of the expression buffer that the present invention was suitable for.
Fig. 3 is the corresponding figure of Fig. 2 with the buffer of expression during high speed motion.
Fig. 4 is the exploded perspective view of buffer and buffer carriage.
Fig. 5 is the side view of the installation portion of buffer and draw-gear.
Among the figure:
1-buffer 3-slidingtype container 6-slide rail
11-cylinder 13-piston rod 21-buffer carriage
The 22-front support 23-of the portion back support 26-of portion incision hole
28-saddle type body 32-elastic force produces material 41-draw-gear
48-check pawl
The specific embodiment
Describe the present invention with reference to the accompanying drawings in detail.
Fig. 1 is that the stereogram of buffer 1 as the outward appearance pith of the refrigerator 2 of buffer unit used in expression.As shown in Figure 1, refrigerator 2 is provided with telescopic for example as the slidingtype container 3 of vegetable compartment.In addition, be fixed with the basic rail 4 that is in level substantially on the sidewall of the left and right sides of refrigerator 2, slide rail 6 is by mid-rail 5 and supported and can slide on the direction flexible with respect to the front of refrigerator 2 by this base rail 4.And, support slidingtype container 3 by slide rail 6.
For relaxing the impulsive force that results from this slip terminal when the refrigerator 2 with respect to slidingtype container 3 holds, in illustrated example, buffer 1 is installed on the basic rail 1 integratedly.In addition, be provided with the impacting body 7 that is used for when holding slidingtype container 3, making draw-gear action described later in the suitable place of slide rail 6.
The side section of in Fig. 2 and 3, having represented the buffer that the present invention was suitable for 1.Have, this buffer 1 is to design piston stroke than long buffer again, and in the drawings, the part of excision cylinder and piston rod is represented.
Be provided with the accumulator 15 that constitutes by the cylindric foamed material that surrounds piston rod 13 at the large-diameter portion of cylinder 11, between the outer peripheral face of the inner peripheral surface of this accumulator 15 and piston rod 13, be provided with space to a certain degree.If accumulator 15 is by the elasticity with appropriateness and apply predetermined pressure then the spumescence synthetic resin that shrinks forms cylindrical shape, and remains in by retainer 16 on the inner peripheral surface of large-diameter portion 11b.
The inner part 12a that piston 12 is become one substantially by the retraction direction end with piston rod 13 and leave predetermined gap G with inner part 12a outer peripheral face and embed slidably in the inner part 12 and constitute at the exterior part 12b that the inner peripheral surface of the minor diameter part 11a of cylinder 11 is slidingly matched, between inner part 12a and exterior part 12b, installed make both towards in the axial direction from the compression helical spring 17 of direction with elastic potential energy.Here, the outside dimension of inner part 12a is stepped change in the mode bigger than the outstanding side of piston rod 13, if overcome the elastic force of compression helical spring 17, the amount of stretching into of inner part 12a is increased to the inside of exterior part 12b, then the space G between inner part 12a and the exterior part 12b narrows down.In addition, exterior part 12b is the round-ended cylinder shape, has formed the aperture 18 that is used to make the suitable bore that viscous fluid flows through on its diapire.
In cylinder 11 inboards of lid 14,, axially formed highlightedly with respect to piston rod 13 and vacated the cylindrical portion 14a that predetermined gap carries out outside encirclement and has inner peripheral surface as the seal member retaining part.Having installed as the cross sectional shape with the outer peripheral face sliding-contact of piston rod 13 in this cylindrical portion 14a is the ring-type oil seal 19 of X-shaped.Because two foots of the cross sectional shape of all sides locate sliding-contacts in its two axial places in the oil seal 19 on piston rod 13, so can remove the oil that adheres at piston rod 13 outer peripheral faces at this place, two places.
The cylinder outside at lid 14 as the piston rod supporting part, has formed shaft sleeve part 14b outstanding on the projected direction of piston rod 13.At lid 14 header portion and the central part of shaft sleeve part 14b, be penetratingly formed with piston rod 13 move freely coaxially in the axial direction with the axle support holes 14c of axle supporting.The axial length of axle support holes 14c is long slightly on the moving direction of piston rod 13.Can suppress interlock in opposite directions the vibration of axis with respect to piston rod 13 by the length that increases axle support holes 14c as so.Like this, owing to can prolong piston rod 13, promptly prolong the piston stroke of buffer 1, thus can in the longer displacement scope of piston rod 1, relax impulsive force, thus can provide applicable to the buffer 1 of large impact power more.
This buffer 1 is by as the buffer carriage of support and be fixed on the basic rail 4.
More forming the elastic claw of two pairs of rectangular slits portions 27 than the fore-and-aft direction pars intermedia of connecting portion 24 with the foot that tightens saddle type body described later by the rear place.
The metallic plate that saddle type body 28 bending machining are rich in elastic force forms, and the two couples of 28a of foot in front and back that taken the shape of the letter U by cross sectional shape and the connecting portion 28b that connects the cross sectional shape semicircular in shape between the 28a of these foots constitute, each 28a of foot goes up by the incision of コ shape and with its upper end and inwardly is pressed into the elastic claw 30 that forms, on saddle type body 28 by with it similarly コ shape cut and its movable end pressed downward to the flexure strip 31 that forms and be located at former and later two places.In addition, the outwardly-bent expansion in the lower end of each 28a of foot.
For buffer 1 is installed on the buffer carriage 21 that so constitutes, the piston rod 13 of buffer 1 produced material 32 by spongiform elastic force and is inserted into the front support cylindraceous portion 22 that is, and the rear end face of cylinder 11 is contacted with back support portion 23.Like this, the elastic force that sandwiches between the axis direction end face by front support portion 22 and the front end face of cylinder 11 produces the reaction force of the axis direction of material 32, and cylinder 11 is non-loosening ground installation on fore-and-aft direction between the support portion, front and back.
Cover saddle type body 28 with the cylinder 11 of side encirclement within it, embedded the elastic claw 30 of each 28a of foot in each notch 27 that forms on the connecting portion 24 of buffer carriage 21.Like this,, elastic claw 30 elasticity prevent to extract, so just can simply the saddle type body be attached on the buffer carriage 21 with once contacting owing to being clamped in notch 27.In addition, on non-loosening ground on the above-below direction buffer carriage 21 is attached on the buffer 1 to the cylinder 11 downward reaction forces of effect by the flexure strip 31 that on saddle type body 28, forms.
On the other hand, as shown in Figure 5, fixedly installed the draw-gear 41 that the slidingtype container 3 that is used for before being about to arrive accommodated position applies the power of drawing on the rearward end of basic rail 4.On the matrix 42 of this draw-gear 41, be sliding combined with impacting body 7 slide mass 43 that front and back drive in moving range that fixedly installs by place, suitable place at slide rail 6.This slide mass 43 by on the matrix 42 of draw-gear 41, form, the reclinate guide channel 44 of its front end and when the limit is advanced in arrival, leaning forward and the chucking of the impacting body 7 of releasing and slide rail 6.
The front end of the piston rod 13 of buffer 1 combines with the rear end of slide mass 43 by spherical tie point 45.In addition, on the slide mass 43 and buffer carriage 21 between set up draft helical spring 46, and slide mass 43 is always applied the tractive force of the direction of drawing back.
If the front support portion 22 that makes the buffer carriage 21 that buffer 1 has been installed is external chimeric with the fitting portion 47 that rear end at the matrix 42 of draw-gear 41 is integrally formed, then the zigzag check pawl 48 that forms on the upper and lower surface of the incision hole 26 that forms on the above-mentioned support portion 22 and fitting portion 47 articulates.Like this, can be connected to simply on the draw-gear 41 once to contact the buffer carriage 21 that to have assembled buffer 1.
Then the work main points to apparatus of the present invention describe.
If pull out slidingtype container 3, then slide rail 6 advances, and advances with the impacting body 7 drawing slide masses 43 of slide rail 6 one.If slide mass 43 is leaned forward, then, slidingtype container 3 is forwards moved because impacting body 7 separates from slide mass 43 by chucking with the preceding lower part of guide channel 44.
During this, the piston rod 13 that is connected to the buffer 1 on the slide mass 43 by spherical tie point 45 is drawn out, and slide mass 43 is articulated to the preceding lower part of guide channel 44 and keeps this state.At this moment, owing to do not act on big flow resistance on the piston 12 of buffer 1, so the action of pulling out slidingtype container 3 is not applied brake force.
If give as security into slidingtype container 3 to holding direction from pulling out bigger state, then the slide mass 43 of impacting body 7 and draw-gear 41 tightens near accommodated position.So, draw slide mass 43 by the elastic force of the draft helical spring 46 that between slide mass 43 and buffer carriage 21, sets up, thereby will draw to holding direction with the slidingtype container 3 of slide rail 6 one.Piston rod 13 is along with this slide mass 43 moves and the inside of retraction cylinder 11.At this moment, the silicone oil of cylinder 11 bottom surface sides is via the space G of the aperture 18 of the external component 12b of piston 12 and external component 12b and internal part 12a and to accumulator 15 side shiftings, the flow resistance of the silicone oil in the time of thus makes the energy attenuation that puts on the piston rod 13.
Have again, externally parts 12b and internal part 12a are under the elastic force with compression helical spring 17 keeps piston 12 moves in state situation, because the space G between external component 12b and the internal part 12a remains broad, so brake force remains lower scope.When holding the slidingtype container 3 of refrigerator 2, under situation about moving more lentamente, do not produce big impulsive force when arriving the slip terminal.Owing to before reaching the situation that does not produce big impulsive force by moving so lentamente, do not need big buffering, be effective so adopt above-mentioned piston structure.
Also have, if the length in the cylinder of retraction piston rod 13 11 is elongated, then the internal volume of cylinder 11 reduces, the inclosure increased pressure of silicone oil, and still, these are all absorbed by the compression of the accumulator 15 that is formed by spumescence synthetic resin material.
Because the flow resistance of silicone oil increases gradually with respect to piston speed, if so be set at by acting on silicone oil resistance on the external component 12b so that for example certain speed moves at piston 12 with compression helical spring 17 compressions, then, the above external component 12b of certain speed is difficult to move so compression helical spring 17 shrinks owing to becoming, as shown in Figure 3, internal part 12a will enter in the external component 12b.So, owing to the space G between internal part 12a and the external component 12b narrows down, so improve brake force by the flow resistance of silicone oil.Like this, owing to can suitably relax big impulsive force, when the slip terminal, produce big impulsive force under the situation that can prevent to hold with very fast translational speed.
Claims (7)
1. the drawer of a refrigerator, by slide rail and movably the drawer of mounting on this slide rail constitute, it is characterized in that:
To be located on the described slide rail to the draw-gear that this drawer applies the power of drawing in of accommodated position direction, and fix buffer unit by the support that combines with this draw-gear.
2. refrigerator drawer according to claim 1 is characterized in that:
Be provided with chimeric cylindrical portion mutually in the rear end of described draw-gear and the front end of described support;
At a described square one-tenth check pawl of chimeric cylindrical portion mutually, form the incision hole that tightens with described check pawl the opposing party.
3. refrigerator drawer according to claim 1 and 2 is characterized in that:
Described buffer unit is fixed on the described support by the chucking body that engages with described rack elasticity.
4. refrigerator drawer according to claim 1 and 2 is characterized in that:
Described buffer unit possesses cylinder and piston;
The cylinder of described buffer unit is fixed on the described support by the chucking body that engages with described rack elasticity.
5. refrigerator drawer according to claim 4 is characterized in that:
Described chucking body has the pressing force that acts on pressing force radially on described cylinder and produces mechanism.
6. according to each described refrigerator drawer among the claim 1-5, it is characterized in that:
Described buffer unit possesses cylinder and piston;
Described support has two support portions of each end of axis direction that supports described cylinder respectively.
7. refrigerator drawer according to claim 6 is characterized in that:
Between axis direction one end of described cylinder and described support portion one side, be provided with the pressing force production part of the pressing force that produces axis direction clampingly.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2005085115 | 2005-03-24 | ||
| JP2005085115A JP4284289B2 (en) | 2005-03-24 | 2005-03-24 | Refrigerator drawer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1837730A true CN1837730A (en) | 2006-09-27 |
| CN100541085C CN100541085C (en) | 2009-09-16 |
Family
ID=37015197
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2006100659052A Expired - Fee Related CN100541085C (en) | 2005-03-24 | 2006-03-23 | The drawer of refrigerator |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP4284289B2 (en) |
| CN (1) | CN100541085C (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020143681A1 (en) * | 2019-01-11 | 2020-07-16 | Qingdao Haier Refrigerator Co., Ltd. | Soft close drawer assembly for a refrigerator appliance |
| CN112325528A (en) * | 2020-11-04 | 2021-02-05 | 汪标 | Energy-saving household silent refrigerator |
| CN112623430A (en) * | 2020-12-28 | 2021-04-09 | 弘康信达(江苏)医学研究有限公司 | Umbilical cord mesenchymal stem cell conjoined storage method and storage device |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4189428B1 (en) * | 2007-06-26 | 2008-12-03 | 株式会社東芝 | Storage |
| JP5031640B2 (en) * | 2008-03-31 | 2012-09-19 | シャープ株式会社 | refrigerator |
| JP5122364B2 (en) * | 2008-05-08 | 2013-01-16 | シャープ株式会社 | refrigerator |
| DE202008008176U1 (en) * | 2008-06-18 | 2009-10-29 | Liebherr-Hausgeräte Lienz Gmbh | Fridge and / or freezer |
| KR20100101827A (en) | 2009-03-10 | 2010-09-20 | 삼성전자주식회사 | Refrigerator |
| JP6749083B2 (en) * | 2015-10-09 | 2020-09-02 | シャープ株式会社 | refrigerator |
| CN113932547B (en) * | 2021-11-18 | 2023-03-31 | 扬州骏泰塑业有限公司 | Refrigerator drawer structure capable of avoiding ice block accumulation |
-
2005
- 2005-03-24 JP JP2005085115A patent/JP4284289B2/en not_active Expired - Fee Related
-
2006
- 2006-03-23 CN CNB2006100659052A patent/CN100541085C/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020143681A1 (en) * | 2019-01-11 | 2020-07-16 | Qingdao Haier Refrigerator Co., Ltd. | Soft close drawer assembly for a refrigerator appliance |
| CN112325528A (en) * | 2020-11-04 | 2021-02-05 | 汪标 | Energy-saving household silent refrigerator |
| CN112623430A (en) * | 2020-12-28 | 2021-04-09 | 弘康信达(江苏)医学研究有限公司 | Umbilical cord mesenchymal stem cell conjoined storage method and storage device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN100541085C (en) | 2009-09-16 |
| JP2006266586A (en) | 2006-10-05 |
| JP4284289B2 (en) | 2009-06-24 |
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Legal Events
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|---|---|---|---|
| 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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090916 |