CN201209277Y - Safety barrier apparatus for suspension port - Google Patents
Safety barrier apparatus for suspension port Download PDFInfo
- Publication number
- CN201209277Y CN201209277Y CNU2008200372004U CN200820037200U CN201209277Y CN 201209277 Y CN201209277 Y CN 201209277Y CN U2008200372004 U CNU2008200372004 U CN U2008200372004U CN 200820037200 U CN200820037200 U CN 200820037200U CN 201209277 Y CN201209277 Y CN 201209277Y
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- CN
- China
- Prior art keywords
- cover plate
- thing mouth
- opening
- hang
- safety barrier
- 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 - Lifetime
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Abstract
The utility model relates to an improved safety guardrail device for an object hanging opening between floors of a multiple-floor building, which is characterized in that a bearing cover plate is supported by a hinge or a pivot in a rotating mode and is connected to the side wall of the object hanging opening, cover plate turning, opening and closing devices are axial two side lifting, turning, opening and closing mechanisms which are screw rods/nuts which can oppositely rotate, and the oppositely rotating rods/nuts at two sides are synchronously driven by a long rotating shaft which is used for connecting the two side rods/nuts to rotate. Compared with the prior art, the surface of the cover plate is smooth and is beneficial to surface decoration, the space utilization ratio of the opening is high after opening the cover plate, the turning, opening and closing smooth of the cover plate is good, the distortion and the matitation of the cover plate for desynchrony can not be generated, and the automatic opening and closing operation of the cover plate can be realized. The utility model has a turning and folding type cover plate structure or a front end surface plate turning type structure, effectively solves the defect that the operation sight line is hidden by holding up the wide object hanging opening cover plate, and the hanging safety can be greatly increased.
Description
Technical field
Utility model relates to a kind of improved tier building floor gap and hangs thing opening usefulness, closes to hide and hangs the thing mouth, holds up then to what hang the safe guardrail of thing mouth and hangs thing mouth safety barrier device.
Background technology
Some building building (for example power plant building) floor gap up and down often need lift some than large equipment, therefore has on floor usually and hangs the thing aperture more greatly.For safety, require this to hang the thing mouth when not using, must be covered and can picture around smooth the floor, and have supporting capacity, need can open it again when hanging the thing use, and surround in around openings and to become safe guardrail.A kind of mode is for hanging the involutory load-bearing cover plate that thing mouth major axis side is provided with the energy freely openable, and both sides are provided with the side rail that can freely rise and fall or rise in addition, and the cover plate unlatching is propped mutual group with side rail and become safety barrier.Chinese patent 2499465Y discloses such thing mouth safety barrier device that hangs, the laborsaving On/Off of two involutory load-bearing cover plates, by being arranged on cover plate rotational edges gear and another isometrical band balance cover plate weight weight gears engaged rotation, realize the rotation opening and closing of load-bearing cover plate.This structural safety guard bar device, by engagement band weight gear, apply the flexible keying that little moment just can realize the load-bearing cover plate though can reach, yet because cover plate is that load-carrying members weight is bigger, so require to realize that keying engagement rotation two gears must keep certain diameter, and so objectively make the cover plate rotating fulcrum leave and hang at least one gear distance of thing oral-lateral wall limit, cause leaving space greatly by opening wall edge behind the cover plate closing, need to increase separately to hide, increased parts and operation sequence.Especially after this opening structure can cause hanging the unlatching of thing velar plate, reducing of actual effective vent area rotated side and need deduct a gear distance at least, and strengthens along with hanging thing mouth size, the opening effective area reduces and can increase, and may influence like this and hang thing normally.Besides, the keying of this cover plate can only be operated manually, can not realize that machinery opens automatically or cut out.Cover plate is closed the weight that the back side, back hangs down, and overall aesthetics is not ideal enough.
In addition, these guard bar device both sides are other to erect guardrail, is to cover on the cover plate face when falling down, make the cover plate face need be processed into alternate male and fomale(M﹠F), be used to place the side rail that falls down, not only increased the complexity of making, and cause the lid surface out-of-flatness, be difficult to cover plate is carried out incrustation.And this guard bar device hangs the thing mouth for big width, for example 1/2 width near or greater than the human body height, cover plate is holded up and highly is surpassed operating personnel's sight line problem and be not resolved, and lifts for safety and bring hidden danger.
Applicant's first to file patent again 200720183521.0 for this reason, change into adopting telescoping cylinder (for example hydraulic jack) to drive to make the jacking cover plate being flipped open/closing, though overcome above-mentioned the deficiencies in the prior art, are used for big opening and hang the thing mouth, and for example opening is greater than 12M
2The cover plate On/Off, because cover plate size and weight are big, turning cylinder drives cover plate to the telescoping cylinder of both sides and is flipped open or closes, because of cover plate weighs, greatly objectively can cause the both sides telescoping cylinder to be difficult to obtain accurate synchronization lifting, thereby cause hanging the upset of thing velar plate, the two ends poor synchronization causes opening/closing out-of-flatness, smooth and easy, during keying strong shake can take place, seriously can cause distortions such as cover plate, hinge.Though first to file is also mentioned and can be adopted screw mandrel to make cover plate upset power again, because equally also there is the defective of lifting poor synchronization in the both sides screw mandrel respectively by power drive rotation separately.Therefore still having is worth improving.
The utility model content
The utility model purpose is to overcome the deficiency of above-mentioned prior art, and a kind of open space utilization rate height is provided, hang the heavy cover plate of thing mouthpiece open/close smooth, synchronism good, that can operate automatically hangs thing mouth safety barrier device.
Another purpose of utility model is to provide a kind of big width to hang the thing mouth, and cover plate is holded up does not influence operator's sight line, and safety is good hangs thing mouth safety barrier device.
Utility model first purpose realizes, mainly being improved to involutory load-bearing cover plate is connected in by the supporting of hinge or pivoted and hangs the thing mouth, plate shaft adopts screw mandrel/spiral shell nurse in relative rotation to both sides, driving mechanism as the upset of jacking load-bearing cover plate, plate shaft rotates to the screw mandrel/spiral shell nurse of both sides, rotation major axis by same connection two ends screw mandrel/spiral shell nurse drives, thereby the cover plate rotating fulcrum is moved to hanging thing oral-lateral limit, seldom take after cover plate erects and hang thing mouth space, and plate shaft is accurately synchronous to the lifting upset of both sides, realizes this patent purpose.Specifically, utility model is hung thing mouth safety barrier device, comprise involutory close to hide hang the thing mouth, unlatching becomes the load-bearing cover plate of side guard board, cover plate upset headstock gear, cover plate two ends movable rail, after the load-bearing cover plate is opened, form with it and surround guardrail, it is characterized in that the load-bearing cover plate is connected in by the supporting of hinge or pivoted hangs thing oral-lateral wall, said cover plate upset headstock gear is an axial both sides jacking upset mechanism for opening/closing, said jacking upset mechanism for opening/closing, be screw mandrel/spiral shell nurse in relative rotation, the rotation that relatively rotates screw mandrel/spiral shell nurse of both sides is by the rotation major axis driven in synchronism of same connection both sides screw mandrel/spiral shell nurse.
Utility model cover plate rotating support can look like common rotating switch door, or the hinge connection, or pivotally connected, and pivotally connected can be that pivot is arranged on the cover plate side, also can be that pivot is arranged on other zones of non-side.Therefore utility model can install by side as common rotating switch door, thereby not reduce to hang the thing mouth usefull space substantially after feasible the unlatching owing to adopt hinge and side pivot joint structure.
Cover plate two ends movable rail mainly acts on cover plate and opens to hold up and form the complete guardrail that surrounds with it, can regain after cover plate is closed, and it is unobstructed that the thing actinal surface is hung in maintenance.For making lid surface smooth, simplify and make, and help the decoration of lid surface, the two ends movable rail, a kind of being preferably adopted the ascending/decending guardrail.In addition, for guaranteeing to hang the tight security of thing mouth opening process, a kind of better is that involutory load-bearing cover plate two ends slightly are shorter than and hang thing mouth length, or load-bearing cover plate two ends are provided with movable flange, and elevating guardrail is placed in its space, rise before the side rail of two ends lifting can be opened prior to the load-bearing cover plate, promptly rise side rail earlier, open cover plate again, make cover plate in opening process, form complete stopping.
The said cover plate turning cylinder of utility model is to the jacking upset mechanism for opening/closing of both sides, its both sides only are easy on describing, be not must be distolateral at cover plate, also can be suitably more inwards, this can't influence the opening and closing of cover plate, comparatively speaking, supporting jacking upset spacing is big, and the laborsaving balance of jacking is good.
The said screw mandrel of utility model/spiral shell nurse relatively rotates the realization axial stretching, realizes that cover plate is flipped open/closes according to rotating, and can have two kinds of basic structures: a kind of for screw mandrel rotates, and the spiral shell nurse is rotated according to screw mandrel do lifting; A kind of for the spiral shell nurse rotates, screw mandrel is rotated according to the spiral shell nurse do lifting.Both do not have essential distinction.The cover plate turning cylinder rotates to the screw mandrel or the spiral shell nurse of both sides, and the same connection of reason both sides screw mandrel/spiral shell nurse rotation major axis driven in synchronism reaches the both sides screw mandrel or the spiral shell nurse rotates synchronously, thereby realizes axially equidistant lifting.Rotate major axis and be connected with powered rotation, a kind of employing chain/chain gear transmission that is preferably, than other rotation transmission, have simple in structure, the reliability height.
Utility model second purpose realizes, for more for example 5 meters * 6 meters of areas hang the thing mouth because the monolateral width of involutory cover plate is greater than operating personnel's height, cover plate is holded up highly well beyond operating personnel's sight line like this, is unfavorable for lifting safety.Utility model is a kind of better to be that cover plate is made telescopic structure or hinged convertible structure, makes cover plate when opening or back width indentation or turn up, thereby reduces to hold up height; In addition, can also be that cover plate is holded up top and adopted panel to open structure, cover plate is holded up, and turns down upper panel, forms form.
Utility model is hung thing mouth safety barrier device, cover plate hangs the thing mouth because employing hinge or pivoted supporting are connected in, and adopt in relative rotation screw mandrel/spiral shell nurse to make the jacking cover plate to drive switching mechanism, and rotate the major axis driven in synchronism by same connection both sides screw mandrel/spiral shell nurse.To hang thing mouth space little thereby take after cover plate is opened, or do not take open space utilization rate height substantially; Hang the axial both sides of thing velar plate liftings upset and keep accurately synchronously, cover plate is flipped open or to close planarization good, can not take place because of asynchronous distortion that causes and shake.This structure can also realize that cover plate opening and closing operates automatically.The ascending/decending side rail does not put down and need take lid surface, and lid surface is smooth, makes simply, and helps incrustation.Side rail rises before opening prior to cover plate, hangs the unlatching of thing hole and does not have potential safety hazard, has improved the safety that closed procedure was opened or closed to cover plate greatly.Upset Foldable cover plate structure or the convertible structure of front console also efficiently solve the wide thing velar plate that hangs and hold up the deficiency of blocking the operation sight line, have greatly improved the safety of lifting.Utility model jacking overturn structure is simple, and axially the synchronous planarization in both sides is good, no matter the cover plate size all can realize accurately being flipped open synchronously or be closed.
Below in conjunction with two specific embodiments and two kinds of lifting upset modes, utility model is further understood in exemplary illustration and help, but the embodiment detail only is for utility model is described, do not represent utility model design whole technical schemes down, therefore should not be construed as the total technical scheme of utility model is limited, some are In the view of the technician, not departing from the unsubstantiality of utility model design changes, for example simple change of technical characterictic or replacement to have same or similar technique effect, the novel scope of protecting of all true usefulness.
Description of drawings
Fig. 1 is a kind of embodiment structural representation of utility model.
Fig. 2 opens back schematic diagram (dotted line is illustrated when packing up among the figure) for side rail.
Fig. 3 surrounds the guardrail schematic diagram for forming.
Fig. 4 is the another kind of embodiment structural representation of utility model.
Fig. 5 makes screw mandrel lifting structure sketch for coaxial rotation drives the rotation of spiral shell nurse.
Fig. 6 is Fig. 5 side-looking structure diagram.
Fig. 7 makes spiral shell nurse lifting structure sketch for coaxial rotation drives the screw mandrel rotation.
Fig. 8 is Fig. 7 side-looking structure diagram.
The specific embodiment
Embodiment 1: referring to Fig. 1,2,3, utility model is hung thing mouth safety barrier device, comprises hiding the involutory load-bearing cover plate 6 (only showing half fan among the figure) that hangs the thing mouth after upset is closed, and the cover plate side is fixed in by hinge 2 and hangs recess in thing oral-lateral wall 1 upper edge.Hang thing oral-lateral wall 1 side the support of stretching out 12 is arranged, on the support plane with hang thing oral-lateral wall upper edge in the concave plane flush (play auxiliary put a cover plate effect), cover plate 6 back sides slidely connect slippage slide plate 7,12 on slide plate 7 and support have rod member 13, be fixed with power motor 8 on it, and sprocket wheel, chain drive deceleration device 9, drive the rotation major axis 4 that connects both sides screw mandrel/spiral shell nurse lifting gear, driving two spiral shell nurses rotates synchronously, make the screw mandrel 10 that is spirally connected according to rotating spiral shell nurse (not shown) lifting (referring to embodiment 3), the screw mandrel top is rotatably connected to moveable hinge joint 3, and hinged with moveable hinge joint 5 on the cover plate, screw mandrel has sleeve pipe 11 outward.The opposite side cover plate has aforementioned mechanism equally.Motor 8 task driven are rotated major axis 4 and are rotated, (do not provide among the figure by change gear, referring to example 3) drive the spiral shell nurse be fixed on the support 12 and rotate, thereby screw mandrel 10 is rotated according to the spiral shell nurse do lifting, jacking promotion cover plate 6 is flipped open or closes, along with the upset of cover plate, slide plate 7 is according to the cover plate slippage, thereby guarantees the rotating torque transmission.
Embodiment 2: referring to Fig. 4, as described above, the involutory cover plate 6.1 of load-bearing and 6.2 is respectively formed (big I is identical or different) by two, and two by 16 connections that are hinged, outside hinged closures 6.1.1 and 6.2.1 outer side edges have pulley 17, hang thing mouth inner side edge and are fixed with supporting plate guide rail 15.Hang the thing blind patch and open, two balustrade deching 6.1.1 and 6.2.1 turn up according to the deadweight upset and are close to inner cover plate 6.1 and 6.2, hold up the back height thereby reduced cover plate, unlikelyly block artificial sight line; Close when hanging the thing blind patch, two balustrade deching 6.1.1 and 6.2.1 are vertically according to deadweight, and are moved according to support rails 15 by pulley 17, and it is launched fully, are the flat state that closes, and hide and hang the thing hole.This structure is specially adapted to the roomy thing mouth that hangs.
Embodiment 3: referring to Fig. 5,6, jacking promotes to hang the thing velar plate and is flipped open/shutoff device, for the spiral shell nurse rotates, screw mandrel is rotated according to the spiral shell nurse make elevating mechanism.The cover plate trip shaft to both sides, each forms screw mandrel/spiral shell nurse jacking mechanism for opening/closing that overturns by screw mandrel 21 that connects cover plate and change gear nut 20, wherein screw mandrel 21 flexibly connects by moveable hinge joint 3 and cover plate, change gear nut 20 is respectively driven by change gear 19 and rotates, make screw mandrel 21 do axial lifting, jacking promotes to hang the thing velar plate and is flipped open/closes.The synchronous rotation of both sides lifting body change gear nut 20 is by driving change gear 19 rotating drive by drive sprocket 18, the chain 22 that rotates major axis 4 coaxial connections synchronously.Rotate major axis 4 and rotate, both sides change gear nut 20 is rotated synchronously, thereby guarantee that two screw mandrels accurately with apart from lifting, guarantee the smooth upset of cover plate with this.
Embodiment 4: referring to Fig. 7,8, jacking promotes to hang the thing velar plate and is flipped open/shutoff device, for screw mandrel rotates, the spiral shell nurse is rotated according to screw mandrel make elevating mechanism.The cover plate trip shaft to both sides, each forms screw mandrel/spiral shell nurse jacking mechanism for opening/closing that overturns by screw mandrel 25 that connects cover plate and lifting spiral shell nurse 23, wherein screw mandrel one end has change gear 26, on the lifting spiral shell nurse 23 sleeve pole 24 is arranged, by being rotatably connected to the moveable hinge joint.The rotation major axis 4 that connects both sides screw mandrel/spiral shell nurse, drive the change gear 20 that meshes with change gear 26 teeth by sprocket wheel 18, chain 22, change gear 26 rotates synchronously on the screw mandrel of driving both sides, screw mandrel is rotated synchronously, spiral shell nurse 23 guarantees the smooth upset of cover plate accurately with apart from lifting with this on the screw mandrel 25 that is spirally connected thereby make.
To those skilled in the art; under utility model design enlightenment; can be from some distortion that this patent disclosure directly derives or association obtains; or the substituting of known technology commonly used in the prior art; and the mutual various combination between feature; for example the safety barrier device can adopt and install frame construction additional; only need during installation framework is embedded in and hang that (this structure can be finished debugging when making in the thing mouth; omission Installation and Debugging trouble; more help on-the-spot the installation); the mode of cover plate changes, and changes side rail into the two sections combining structure, and for example hypomere adopts ascending/decending; epimere is Unscrew formula (making things convenient for the turnover of cargo security guardrail); replace hinge with pivot suspension, gear train is adopted in the rotational power transmission, more than jacking screw mandrel/spiral shell nurse has two groups or the like; some change at technician's unsubstantiality; can both realize and basic identical function of the foregoing description and effect, no longer describe in detail for example one by one, all belong to this patent protection domain.
Claims (10)
1, hang thing mouth safety barrier device, comprise involutory close to hide hang the thing mouth, unlatching becomes the load-bearing cover plate of side guard board, cover plate upset headstock gear, cover plate two ends movable rail, after the load-bearing cover plate is opened, form with it and surround guardrail, it is characterized in that the load-bearing cover plate is connected in by the supporting of hinge or pivoted hangs thing oral-lateral wall, said cover plate upset headstock gear is an axial both sides jacking upset mechanism for opening/closing, said jacking upset mechanism for opening/closing, be screw mandrel/spiral shell nurse in relative rotation, the rotation that relatively rotates screw mandrel/spiral shell nurse of both sides is by the rotation major axis driven in synchronism of same connection both sides screw mandrel/spiral shell nurse.
2,, it is characterized in that the load-bearing cover plate is articulated in to hang thing oral-lateral wall according to the described thing mouth safety barrier device that hangs of claim 1.
3, according to the described thing mouth safety barrier device that hangs of claim 1, it is characterized in that hanging thing oral-lateral wall upper edge has interior concave plane, cover plate hinged in this re-entrant angle.
4, according to the described thing mouth safety barrier device that hangs of claim 1, it is characterized in that cover plate two ends movable rail is the ascending/decending guardrail.
5,, it is characterized in that involutory load-bearing cover plate two ends slightly are shorter than to hang thing mouth length according to the described thing mouth safety barrier device that hangs of claim 4.
6, according to claim 1,2,3, the 4 or 5 described thing mouth safety barrier devices that hang, it is characterized in that each involutory cover plate is by two hinged compositions.
7, according to claim 1,2,3, the 4 or 5 described thing mouth safety barrier devices that hang, it is characterized in that hanging thing mouth wall side has the support of stretching out, and the plane flushes the concave plane within the walls with hanging the thing mouth on the support, and screw mandrel/spiral shell nurse lifting gear is fixed on the support.
8, according to claim 1,2,3, the 4 or 5 described thing mouth safety barrier devices that hang, it is characterized in that the jacking screw mandrel has sleeve pipe outward.
9,, it is characterized in that rotating major axis and powered rotation is connected to chain/sprocket wheel according to claim 1,2,3, the 4 or 5 described thing mouth safety barrier devices that hang.
10, according to claim 1,2,3, the 4 or 5 described thing mouth safety barrier devices that hang, it is characterized in that hanging the thing velar plate back side and slidely connect slide plate, power motor and reducing gear are arranged on this slide plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200372004U CN201209277Y (en) | 2008-06-01 | 2008-06-01 | Safety barrier apparatus for suspension port |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200372004U CN201209277Y (en) | 2008-06-01 | 2008-06-01 | Safety barrier apparatus for suspension port |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201209277Y true CN201209277Y (en) | 2009-03-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008200372004U Expired - Lifetime CN201209277Y (en) | 2008-06-01 | 2008-06-01 | Safety barrier apparatus for suspension port |
Country Status (1)
| Country | Link |
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| CN (1) | CN201209277Y (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102701111A (en) * | 2012-06-13 | 2012-10-03 | 青岛四方车辆研究所有限公司 | Segmental turning cover plate device for foundation pit type car lifter |
| CN104476215A (en) * | 2014-12-18 | 2015-04-01 | 济南二机床集团有限公司 | Turning plate horizontal processing center |
| CN104493506A (en) * | 2014-12-18 | 2015-04-08 | 济南二机床集团有限公司 | Turning plate type workbench of machine tool |
| CN104958003A (en) * | 2015-07-22 | 2015-10-07 | 苏州华爱电子有限公司 | Electric pot turning device of domestic cooker |
| CN105422268A (en) * | 2015-12-18 | 2016-03-23 | 江苏扬帆船舶设备有限公司 | Intake cover device of turbocharging set |
| CN109577474A (en) * | 2017-09-29 | 2019-04-05 | 胡期星 | A kind of foldable multifunctional balcony |
| CN110565786A (en) * | 2019-08-21 | 2019-12-13 | 上海世浦泰膜科技有限公司 | Apron with carry and hang function |
-
2008
- 2008-06-01 CN CNU2008200372004U patent/CN201209277Y/en not_active Expired - Lifetime
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102701111A (en) * | 2012-06-13 | 2012-10-03 | 青岛四方车辆研究所有限公司 | Segmental turning cover plate device for foundation pit type car lifter |
| CN104476215A (en) * | 2014-12-18 | 2015-04-01 | 济南二机床集团有限公司 | Turning plate horizontal processing center |
| CN104493506A (en) * | 2014-12-18 | 2015-04-08 | 济南二机床集团有限公司 | Turning plate type workbench of machine tool |
| CN104958003A (en) * | 2015-07-22 | 2015-10-07 | 苏州华爱电子有限公司 | Electric pot turning device of domestic cooker |
| CN104958003B (en) * | 2015-07-22 | 2017-12-19 | 苏州华爱电子有限公司 | A kind of electronic pot turning device of Household dish maker |
| CN105422268A (en) * | 2015-12-18 | 2016-03-23 | 江苏扬帆船舶设备有限公司 | Intake cover device of turbocharging set |
| CN109577474A (en) * | 2017-09-29 | 2019-04-05 | 胡期星 | A kind of foldable multifunctional balcony |
| CN110565786A (en) * | 2019-08-21 | 2019-12-13 | 上海世浦泰膜科技有限公司 | Apron with carry and hang function |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: JIANGSU GUANGTONG ELECTRICITY EQUIPMENT CO., LTD. Free format text: FORMER OWNER: BEIJING JIADUO KEMAN TECHNOLOGY DEVELOPMENT CO., LTD. Effective date: 20120810 |
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| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 102200 CHANGPING, BEIJING TO: 214204 WUXI, JIANGSU PROVINCE |
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| TR01 | Transfer of patent right |
Effective date of registration: 20120810 Address after: 214204, Jiangsu City, Yixing province Lily Street industrial concentration area Patentee after: Jiangsu Guangtong Electric Power Equipment Co.,Ltd. Address before: 102200 Beijing Changping District Science Park Road No. 10 white floating building No. 2 room 410B Patentee before: Beijing Jiaduo Keman Technology Development Co., Ltd. |
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| CX01 | Expiry of patent term |
Granted publication date: 20090318 |
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| CX01 | Expiry of patent term |