CN101548816A - Folding computer desk - Google Patents
Folding computer desk Download PDFInfo
- Publication number
- CN101548816A CN101548816A CNA2009100313857A CN200910031385A CN101548816A CN 101548816 A CN101548816 A CN 101548816A CN A2009100313857 A CNA2009100313857 A CN A2009100313857A CN 200910031385 A CN200910031385 A CN 200910031385A CN 101548816 A CN101548816 A CN 101548816A
- Authority
- CN
- China
- Prior art keywords
- hasp
- hinged
- pillar stand
- column
- underframe
- 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.)
- Pending
Links
Images
Abstract
The invention relates to a folding computer desk, in particular to a notebook folding computer desk which can be used on a bed and is convenient to carry. The proposal solves the problems that the computer desk occupies excessive space outside of the bed when being used on the bed and is not convenient to carry and the like. The folding computer desk adopts a hinge connecting structure of a top frame and an upright column and the upright column and a bottom frame and then is configured with oblique fasteners, thus having stable structure; and due to the arrangement of a four bar linkage and an inner toothed plate, the folding computer desk can fast fold and stretch, is convenient to adjust the angle of inclination and has great convenience of use and carry.
Description
Technical field
The present invention relates to a kind of foldable computer table, relate in particular to a kind of portable notebook foldable computer table that can use in bed.
Technical background
The existing notebook foldable computer table that can use in bed generally is placed on the bed clothes, also has to be placed on ground.For the former, because bed clothes are softer, people's action in bed can cause the vibrations of computer desk, drives computer and shakes together, influences the service life of computer hard disc.For the latter, though overcome the former shortcoming, the tilt adjustment poor-performing of its folding property and desktop.
Summary of the invention
The present invention has overcome the deficiencies in the prior art, and providing a kind of can use in bed, and the foldable computer table of the major part of desktop on bed surface solved and too much taken an external space when computer desk uses in bed, and inconvenience such as carries at problem.
The present invention realizes in the following manner:
A kind of foldable computer table mainly is made of desktop, upper frame, column, oblique hasp and underframe etc., and upper frame is positioned at the below of desktop, be connected with desktop, and the upright supports upper frame, column and upper frame are hinged.The underframe support post, underframe and column are hinged, one group of oblique pulling upper frame of hasp and column obliquely, make and go up oblique hasp, upper frame and column form a stable three-legged structure, an end and the upper frame of hasp are hinged obliquely, the other end and column overlap joint location, another group oblique oblique pulling column of hasp and underframe down make oblique hasp down, column and underframe form one group of stable three-legged structure, one end and the underframe of oblique hasp down are hinged, the other end and column overlap joint location, usually, column has two, corresponding with it oblique hasp has two groups, totally four, above two go up hasps, below two following hasps.Upper frame includes two cross bars, above two obliquely hasp an end respectively with upper frame on two cross bars hinged, below an end of two oblique down hasps hinged with underframe respectively.The other end of oblique upper and lower hasp has a side direction breach, when foldable computer table is in user mode, below the side direction breach of two oblique down hasps fasten crosspiece on the column, above two obliquely the side direction breach of hasp fasten bearing pin on the column, can computer desk is folding when folding with its disengagement.For ease of carrying, can the leader be installed in the bottom of desktop.
In order to adapt to different use occasions, need to regulate the height and the angle of inclination of desktop, this moment, column was a Collapsible structure, can be made up of upper pillar stand, securing member and lower pillar stand, and the diameter of upper pillar stand and lower pillar stand is different, mutually nested, the height of upper pillar stand is fixed by securing member after determining, upper pillar stand and back upper pillar stand can be regulated height separately before upper pillar stand was divided into, current upper pillar stand and back upper pillar stand height not simultaneously, desktop is in heeling condition.Lower pillar stand has two, and is fixedly connected by crosspiece between two lower pillar stands.
Folding, easy to use for computer desk, in the hinged place of hasp and upper frame obliquely one torsion spring is set, the torsion spring hasp that makes progress applies moment of torsion, makes the trend that the oriented upper frame of hasp closes up, thereby the side direction breach of hasp is buckled on the bearing pin all the time.There is a torsion spring hinged place of oblique hasp down and underframe, and the downward hasp of torsion spring applies moment of torsion, the trend that the oriented underframe of hasp closes up under making, thus the side direction breach of hasp is buckled on the crosspiece all the time.
When computer desk is in folded state, on, the effect that snaps over torsion spring power down can be fitted with upper frame or underframe down, and computer desk is propped up time-out, need by hand snapping board to be risen, itself and bearing pin or crosspiece are interlocked, more bothersome, for overcoming this shortcoming, special at lower pillar stand, be provided with crank in underframe and the oblique down interval that hasp is surrounded, connecting rod and folding and unfolding button, an end and the lower pillar stand of crank are hinged, the other end of crank and rod hinge connection, the other end and the underframe of connecting rod are hinged, form a four-bar mechanism, rely on connecting rod under the oblique effect that snaps over down torsion spring, on connecting rod, be hinged with the folding and unfolding button, one end of folding and unfolding button is stuck between oblique hasp down and the connecting rod, the other end is unsettled, when packing up foldable computer table, the folding and unfolding button is rotated, with oblique hasp jack-up down, the side direction breach of following hasp leaves bearing pin, is convenient to pack up computer desk, when when packing up computer desk, the four-bar mechanism motion, underframe will prop up the free end of folding and unfolding button and it will be resetted, i.e. reverse rotation, and launch the next time that does not so just influence computer desk.Also be provided with crank, connecting rod and folding and unfolding button in upper pillar stand, upper frame and hasp surrounded obliquely interval, its function is identical with the former.Next time is when launching computer desk, as long as desktop is turned clockwise, underframe is rotated counterclockwise, snap over down automatic " marching on towards " bearing pin of guiding or the crosspiece of four-bar mechanism, the inclined-plane of the side direction indentation, there of upper and lower hasp lifts hasp earlier, when arriving breach, under the effect of torsion spring, fasten bearing pin or crosspiece, finish the expansion of computer desk.
Upper frame can be made up of front rail, rear transverse rod and intermediate bar, and intermediate bar is fixedlyed connected with rear transverse rod with front rail respectively, and front rail is fixedlyed connected with desktop respectively with rear transverse rod.
Upper frame also can be made up of front rail and rear transverse rod, and front rail is parallel with rear transverse rod, and the middle part of front rail takes over hinged with preceding upper pillar stand, and right-hand member is with hasp is hinged obliquely, and the middle part of rear transverse rod takes over hinged with the back upper pillar stand, and right-hand member and another hasp obliquely are hinged.
At the fixedly connected at least internal gear of the lower surface of desktop, internal gear constitutes one by orthogonal two boards, wherein a plate is fixedlyed connected with desktop, the middle hollow out of another piece plate also has some teeth groove, and front rail is through the hollow out position and can change the position between the teeth groove of internal gear.
At fixedly connected at least one hinge of the lower surface of desktop, one page of hinge is fixedlyed connected with desktop, and another page is connected with rear transverse rod by vertical with it pin, and rear transverse rod can be around the pin rotation.When desktop tilts, the hinge rotation, pin rotation when computer desk is packed up, the axis of pin is vertical mutually in the space with the axis of hinge.
Because most of area of desktop is positioned at the left side of column, when using in bed, underframe inserts under the bed at the right of bed right-to-left, makes most of area of desktop be positioned at the top of bed, is convenient to lay notebook computer or books etc.As needs desktop is tilted, upper pillar stand is higher than the back upper pillar stand before only need making.If underframe inserts under the bed on the left side of bed, most of area of desktop still is positioned at the top of bed, and this moment as desktop need be tilted, upper pillar stand is lower than the back upper pillar stand before only need making.
The present invention is owing to adopted the hinge engaging structure of upper frame and column, column and underframe, be configured to oblique hasp again, thereby Stability Analysis of Structures, again owing to be provided with four-bar mechanism and internal gear, energy fast folding, rapid deployment, the convenient desktop angle of inclination of regulating are used, carry all very convenient.
Description of drawings
Fig. 1 is that the master of first kind of embodiment of the present invention looks schematic diagram.
Fig. 2 is that schematic diagram is looked on the left side of first kind of embodiment of the present invention.
Fig. 3 is that the master of second kind of embodiment of the present invention looks schematic diagram.
Fig. 4 is that schematic diagram is looked on the left side of second kind of embodiment of the present invention.
Fig. 5 is that the master of the third embodiment of the present invention looks schematic diagram.
Fig. 6 is that the left side of the third embodiment of the present invention is looked and the local cross-sectional schematic of amplifying.
Fig. 7 is that schematic diagram is looked on the left side of the another kind of regulative mode of desktop of the third embodiment of the present invention.
The specific embodiment
Fig. 1, Fig. 2 are respectively that the master of first kind of embodiment of the present invention looks schematic diagram and schematic diagram is looked on a left side, this foldable computer table, comprise desktop 1, upper frame 2, column 3, hasp 4, torsion spring 5, underframe 6 and bearing pin 89, upper frame 2 and column 3 are hinged, and column 3 and underframe 6 are hinged.Upper frame 2 is made up of front rail 85, rear transverse rod 83 and intermediate bar 86, and intermediate bar 86 is fixedlyed connected with rear transverse rod 83 with front rail 85 respectively, and front rail 85 is fixedlyed connected with desktop 1 respectively with rear transverse rod 83.One hasp 4 connections are obliquely arranged between upper frame 2 and column 3, last hasp 4 and column 3 respectively have two, the right-hand member of last hasp 4 and front rail 85 are hinged, torsion spring 5 is installed in the hinged place, right-hand member of hasp 4 and rear transverse rod 83 are hinged on another, torsion spring 5 also is installed in the hinged place, the left end of last hasp 4 has a side direction breach, the left end of breach has an inclined-plane, and breach fastens bearing pin 89, and bearing pin 89 is positioned on the column 3, there is an oblique hasp down 84 to connect between column 3 and the underframe 6, following hasp 84 has two, and the right-hand member of following hasp 84 is hinged with underframe 6 respectively, and torsion spring 5 also is installed in the hinged place, the left end of following hasp 84 has a side direction breach, the left end of breach has an inclined-plane, and breach fastens crosspiece 7, and crosspiece 7 is positioned on the column 3.Torsion spring 5 one has four, and two in the above, and two below.
Fig. 3, Fig. 4 are respectively that the master of second kind of embodiment of the present invention looks schematic diagram and schematic diagram is looked on a left side, this foldable computer table, comprise desktop 1, upper frame 2, column 3, hasp 4, torsion spring 5, underframe 6 and bearing pin 89, upper frame 2 and column 3 are hinged, and column 3 and underframe 6 are hinged.Upper frame 2 is made up of front rail 85, rear transverse rod 83 and intermediate bar 86, and intermediate bar 86 is fixedlyed connected with rear transverse rod 83 with front rail 85 respectively, and front rail 85 is fixedlyed connected with desktop 1 respectively with rear transverse rod 83.One hasp 4 connections are obliquely arranged between upper frame 2 and column 3, last hasp 4 and column 3 respectively have two, the right-hand member of last hasp 4 and front rail 85 are hinged, torsion spring 5 is installed in the hinged place, right-hand member of hasp 4 and rear transverse rod 83 are hinged on another, torsion spring 5 also is installed in the hinged place, the left end of last hasp 4 has a side direction breach, the left end of breach has an inclined-plane, and breach fastens bearing pin 89, and bearing pin 89 is positioned on the column 3, there is an oblique hasp down 84 to connect between column 3 and the underframe 6, following hasp 84 has two, and the right-hand member of following hasp 84 is hinged with underframe 6 respectively, and torsion spring 5 also is installed in the hinged place, the left end of following hasp 84 has a side direction breach, the left end of breach has an inclined-plane, and breach fastens crosspiece 7, and crosspiece 7 is positioned on the column 3.Torsion spring 5 one has four, and two in the above, and two below.
In lower pillar stand 10, underframe 6 and the oblique down interval that hasp 84 is surrounded, crank 11, connecting rod 13 and folding and unfolding button 12 are arranged, one end and the lower pillar stand 10 of crank 11 are hinged, the other end of crank 11 and connecting rod 13 are hinged, the other end of connecting rod 13 and underframe 6 are hinged, form a four-bar mechanism, oblique hasp 84 down relies on connecting rod 13 under the effect of torsion spring 5, on connecting rod 13, be hinged with folding and unfolding button 12, one end of folding and unfolding button 12 is between oblique hasp 84 down and connecting rod 13, when packing up foldable computer table, with 12 rotations of folding and unfolding button, will descend hasp 84 jack-up.
In upper pillar stand 8, upper frame 2 and hasp 4 is surrounded obliquely interval crank, connecting rod and folding and unfolding button are arranged also, its structure is identical with " in the interval that lower pillar stand 10, underframe 6 and oblique hasp 84 are surrounded crank 11, connecting rod 13 and folding and unfolding button 12 being arranged " with function.
Handle 88 is installed on the lower surface of desktop, both has been convenient to the folding and unfolding computer desk, be easy to carry again, can also be as the antitheft button of notebook computer.
Fig. 5～Fig. 7 is respectively that the master of the third embodiment of the present invention looks schematic diagram, a left side is looked and schematic diagram is looked on a local left side of amplifying cross-sectional schematic and the another kind of regulative mode of desktop, this foldable computer table, comprise desktop 1, upper frame 2, column 3, hasp 4, torsion spring 5, underframe 6, bearing pin 89, internal gear 22, pin 24, hinge 25, upper frame 2 and column 3 are hinged, and column 3 and underframe 6 are hinged.Upper frame 2 is made up of front rail 85, rear transverse rod 83, and front rail 85 is parallel with rear transverse rod 83.One hasp 4 connections are obliquely arranged between upper frame 2 and column 3, last hasp 4 and column 3 respectively have two, the right-hand member of last hasp 4 and front rail 85 are hinged, torsion spring 5 is installed in the hinged place, right-hand member of hasp 4 and rear transverse rod 83 are hinged on another, torsion spring 5 also is installed in the hinged place, the left end of last hasp 4 has a side direction breach, the left end of breach has an inclined-plane, and breach fastens bearing pin 89, and bearing pin 89 is positioned on the column 3, there is an oblique hasp down 84 to connect between column 3 and the underframe 6, following hasp 84 has two, and the right-hand member of following hasp 84 is hinged with underframe 6 respectively, and torsion spring 5 also is installed in the hinged place, the left end of following hasp 84 has a side direction breach, the left end of breach has an inclined-plane, and breach fastens crosspiece 7, and crosspiece 7 is positioned on the column 3.Torsion spring 5 one has four, and two in the above, and two below.
In lower pillar stand 10, underframe 6 and the oblique down interval that hasp 84 is surrounded, crank 11, connecting rod 13 and folding and unfolding button 12 are arranged, one end and the lower pillar stand 10 of crank 11 are hinged, the other end of crank 11 and connecting rod 13 are hinged, the other end of connecting rod 13 and underframe 6 are hinged, form a four-bar mechanism, oblique hasp 84 down relies on connecting rod 13 under the effect of torsion spring 5, on connecting rod 13, be hinged with folding and unfolding button 12, one end of folding and unfolding button 12 is between oblique hasp 84 down and connecting rod 13, when packing up foldable computer table, with 12 rotations of folding and unfolding button, will descend hasp 84 jack-up.
In the interval that upper pillar stand 8, upper frame 2 and oblique hasp 4 are surrounded crank, connecting rod and folding and unfolding button are arranged also, its structure is identical with " in the interval that lower pillar stand 10, underframe 6 and oblique hasp 84 are surrounded crank 11, connecting rod 13 and folding and unfolding button 12 being arranged " with function.
The middle part of front rail 85 takes over hinged with preceding upper pillar stand 81, and there is a torsion spring 5 hinged the and hinged place of right-hand member and hasp obliquely 4, and the middle part of rear transverse rod 83 takes over hinged with back upper pillar stand 82, and there is a torsion spring 5 hinged and hinged place of oblique hasp 4 on right-hand member and another.
At the fixedly connected at least internal gear 22 of the lower surface of desktop, internal gear 22 constitutes one by orthogonal two boards, wherein a plate is fixedlyed connected with desktop, the middle hollow out of another piece plate also has some teeth groove, and front rail 85 is through the hollow out position and can change the position between the teeth groove of internal gear 22.
At fixedly connected at least one hinge 25 of the lower surface of desktop, one page of hinge 25 is fixedlyed connected with desktop, and another page is hinged by vertical with it pin 24 and rear transverse rod 83, and rear transverse rod 83 can be around pin 24 rotations.When desktop tilts, hinge 25 rotations, when computer desk is packed up, pin 24 rotations, the axis of pin 24 is vertical mutually in the space with the axis of hinge 25.
Most of area of desktop is positioned at the left side of column 3, and when using in bed, underframe 6 inserts under the bed at the right of bed right-to-left, makes most of area of desktop 1 be positioned at the top of bed, is convenient to lay notebook computer or books etc.As needs desktop 1 is tilted, upper pillar stand 81 is higher than back upper pillar stand 82 before only need making.Insert under the bed on the left side of bed as if underframe 6, most of area of desktop 1 still is positioned at the top of bed, at this moment as desktop 1 being tilted upper pillar stand 82 after upper pillar stand 81 is lower than before only need making.
Claims (8)
1, a kind of foldable computer table, comprise desktop (1), upper frame (2), column (3) and underframe (6), it is characterized in that upper frame (2) and column (3) are hinged, column (3) and underframe (6) are hinged, one hasp (4) connection is obliquely arranged between upper frame (2) and column (3), an end of hasp (4) and upper frame (2) are hinged obliquely, the other end and column (3) overlap joint location, there is an oblique hasp (84) down to connect between column (3) and the underframe (6), one end and the underframe (6) of oblique hasp (84) down are hinged, the other end and column (3) overlap joint location, desktop (1) is placed on the upper frame (2).
2, foldable computer table according to claim 1, it is characterized in that column (3) is a Collapsible structure, form by upper pillar stand (8), securing member (9) and lower pillar stand (10), upper pillar stand (8) is different with the diameter of lower pillar stand (10), mutually nested, the height of upper pillar stand (8) determines that the back is fixing by securing member (9), upper pillar stand (8) is divided into preceding upper pillar stand (81) and back upper pillar stand (82), preceding upper pillar stand (81) can be different with the height of back upper pillar stand (82), lower pillar stand (10) has two, and is fixedly connected by crosspiece (7) between two lower pillar stands (10).
3, foldable computer table according to claim 1, it is characterized in that there is a torsion spring (5) hinged place of hasp (4) and upper frame (2) obliquely, torsion spring (5) upwards hasp (4) applies moment of torsion, the trend that the feasible upward oriented upper frame of hasp (4) (2) closes up, thereby the side direction breach that makes hasp (4) is buckled on the bearing pin (89) all the time, oblique hasp (84) down has a torsion spring (5) with the hinged place of underframe (6), torsion spring (5) hasp (84) downwards applies moment of torsion, the trend that the oriented underframe of hasp (84) (6) closes up under making, thus the side direction breach of hasp (84) is buckled on the crosspiece (7) all the time.
4, according to claim 1 or 3 described foldable computer tables, it is characterized in that in lower pillar stand (10), in underframe (6) and the oblique down interval that hasp (84) is surrounded crank (11) is arranged, connecting rod (13) and folding and unfolding button (12), one end of crank (11) and lower pillar stand (10) are hinged, the other end of crank (11) and connecting rod (13) are hinged, the other end of connecting rod (13) and underframe (6) are hinged, form a four-bar mechanism, oblique hasp (84) down relies on connecting rod (13) under the effect of torsion spring (5), on connecting rod (13), be hinged with folding and unfolding button (12), one end of folding and unfolding button (12) is positioned between oblique hasp (84) down and the connecting rod (13), when packing up foldable computer table, with folding and unfolding button (12) rotation, with oblique hasp (84) jack-up down.
5, foldable computer table according to claim 1, it is characterized in that upper frame (2) is made up of front rail (85), rear transverse rod (83) and intermediate bar (86), intermediate bar (86) is fixedlyed connected with rear transverse rod (83) with front rail (85) respectively, and front rail (85) is fixedlyed connected with desktop (1) respectively with rear transverse rod (83).
6, foldable computer table according to claim 1, it is characterized in that upper frame (2) is made up of front rail (85) and rear transverse rod (83), front rail (85) is parallel with rear transverse rod (83), the middle part of front rail (85) takes over hinged with preceding upper pillar stand (81), right-hand member is with hasp (4) is hinged obliquely, the middle part of rear transverse rod (83) takes over hinged with back upper pillar stand (82), and right-hand member and another hasp (4) obliquely are hinged.
7, according to claim 1 or 6 described foldable computer tables, it is characterized in that internal gear (22), internal gear (22) constitutes one by orthogonal two boards, wherein a plate is fixedlyed connected with desktop (1), the middle hollow out of another piece plate also has some teeth groove, and front rail (85) is through the hollow out position and can change the position between the teeth groove of internal gear (22).
8, according to claim 1 or 6 described foldable computer tables, it is characterized in that hinge (25), one page of hinge (25) is fixedlyed connected with desktop (1), another page is connected with rear transverse rod (83) by vertical with it pin (24), rear transverse rod (83) can center on pin (24) rotation, and the axis of pin (24) is vertical mutually in the space with the axis of hinge (25).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2009100313857A CN101548816A (en) | 2009-04-30 | 2009-04-30 | Folding computer desk |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2009100313857A CN101548816A (en) | 2009-04-30 | 2009-04-30 | Folding computer desk |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101548816A true CN101548816A (en) | 2009-10-07 |
Family
ID=41153489
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2009100313857A Pending CN101548816A (en) | 2009-04-30 | 2009-04-30 | Folding computer desk |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101548816A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108968347A (en) * | 2018-09-13 | 2018-12-11 | 石子琪 | A kind of desktop computer table adapting to more position demands |
-
2009
- 2009-04-30 CN CNA2009100313857A patent/CN101548816A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108968347A (en) * | 2018-09-13 | 2018-12-11 | 石子琪 | A kind of desktop computer table adapting to more position demands |
| CN108968347B (en) * | 2018-09-13 | 2020-12-29 | 石子琪 | Table type computer table adapting to multi-position requirements |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104544977A (en) | Folding type adjustable support | |
| CN205432678U (en) | Multilayer formula desk | |
| CN201022479Y (en) | Desk | |
| CN201468463U (en) | Folding type simple reading bracket | |
| CN2891804Y (en) | Multifunction school tables for students | |
| CN101548816A (en) | Folding computer desk | |
| CN201831250U (en) | Folding computer desk | |
| CN103263176A (en) | Multifunctional transformation chair and application method thereof | |
| CN205338099U (en) | Liftable multifunctional desk | |
| CN2601055Y (en) | Twin desk/chair for student | |
| KR100702652B1 (en) | Panel having multi functions for desk | |
| CN2891792Y (en) | Notebook computer table | |
| CN208463249U (en) | A kind of folding musical stand | |
| CN201870080U (en) | Foldable school desk | |
| CN204499881U (en) | Collapsible adjustable support | |
| CN204580368U (en) | The collapsible variable-angle multifunctional desk of suspension type | |
| KR20130049417A (en) | Folding string instrument stand | |
| CN213199339U (en) | Children that portable used draw chair | |
| CN214803290U (en) | Folding desk for middle school students | |
| CN2887137Y (en) | Folding desk | |
| CN218105231U (en) | Rotary combined dining table convenient to unfold | |
| KR200452877Y1 (en) | Foldable hinge for fitting bookstand onto table | |
| CN202919383U (en) | Multifunctional folding table | |
| CN200959943Y (en) | Reading frame | |
| KR100938827B1 (en) | A reading desk |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Open date: 20091007 |