CN2703452Y - Structure-improved folding chair-frame - Google Patents
Structure-improved folding chair-frame Download PDFInfo
- Publication number
- CN2703452Y CN2703452Y CN 200420041067 CN200420041067U CN2703452Y CN 2703452 Y CN2703452 Y CN 2703452Y CN 200420041067 CN200420041067 CN 200420041067 CN 200420041067 U CN200420041067 U CN 200420041067U CN 2703452 Y CN2703452 Y CN 2703452Y
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- Prior art keywords
- seat
- folding
- connection
- handrail
- sliding panel
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Abstract
The utility model discloses a structure-improved folding chair-frame, which comprises a folding seat frame and two handrails. The bottom surfaces of the two handrails are respectively provided with a slide-way, the folding chair frame also comprises two front connecting assemblies which are correspondingly arranged and two back connecting assemblies which are correspondingly arranged. The front connecting assembly comprises a front connecting seat which is pivoted with the folding seat frame and a position component which are fixedly connected with the front end of the handrail, and the position component can be turning connected with the front connecting seat. The back connecting assembly comprises a back connecting seat which is pivoted with the folding seat frame and a movable component which is sliding connected with the slide slot of the handrail, and the movable component can be turning connected with the back connecting seat. The utility model has the advantages of the position component can be turning connected with the front connecting seat, the movable component can be turning connected with the back connecting seat, the handrails can turn around the front connecting seat and the back connecting seat, and the utility model has small width, small volume, little space occupying and convenient portability no matter folding or unfolding.
Description
Technical field
The utility model relates to a kind of Rocking chair frame, particularly relates to a kind of folding Rocking chair frame that has handrail.
Background technology
Chinese patent database discloses a kind of patent of foldable chair of Armrest, and its patent No. is 01262499.3, and its publication number is 2506140.A kind of foldable chair of Armrest mainly is made up of support bar A, chair cloth B and armrest system C, and wherein this armrest system C comprises handrail 1, front side pole 2 and rear side pole 3, and handrail 1 is made for the metal of hard; The below of the rear end 12 of handrail 1 forms chute 13 along the middle the place ahead to handrail 1, and upper end 31 activities of rear side pole 2 are articulated in the chute of 12 belows, rear end of handrail 1, and the lower end of rear side pole 3 is fixed on the rod of the chair back; The upper end of front side pole 2 fixedly is articulated in handrail 1 front end below, and the lower end of front side pole 2 is fixed on the support bar A of seat support.Hard handrail 1 is to offer the enough support forces of user; During the folding chair, rear side pole 3 can slide to the place ahead by the rear end of handrail 1 and the function that realizes folding along chute.The armrest system C of this foldable chair comprises front side pole 2 and rear side pole 3, and the rod member number is many, and complex structure increases manufacturing cost; The handrail of the armrest system C of this foldable chair need could be realized folder function with the staggered of foldable chair, so general armrest system C is positioned at the outside of foldable chair, it is the outside of rod A1, thereby no matter be before folding or after folding, volume is all very big, it is all very big to take up an area of the space, carries inconvenience.
The utility model content
The purpose of this utility model provides a kind of simple in structure, low cost of manufacture, and all little structure improved folding seat frame in space is taken up an area of in folding front and back.
The utility model adopts following technical scheme: a kind of structure improved folding seat frame, comprise folding mounting and two handrails, two handrail lower surfaces have chute, and described folding seat frame also comprises two preceding coupling assemblies that are oppositely arranged and two back coupling assemblies that are oppositely arranged; Before coupling assembly comprise the preceding connection seat that is articulated in folding mounting and the keeper of the handrail leading section that is fixedly connected, keeper is turning to be connected in preceding connection seat; Described back coupling assembly comprises the back connection seat that is articulated in folding mounting and is slidingly connected in the movable part of handrail chute, and movable part is turning to be connected in the back connection seat.
Folding mounting described in the utility model has two back support bar, two arm-rest frames, and two back support bar are connected in folding both sides, mounting rear portion respectively, and two arm-rest frames are connected in folding mounting front part sides respectively.
Coupling assembly comprises preceding connection seat and the keeper that is articulated in arm-rest frame before described in the utility model, the upper surface of preceding connection seat has first connection slot of inverted T-shaped, keeper has the fixture of affixed handrail front portion, fixture extends export-oriented mutually two first pivots that form that extend of first sliding panel and both sides, front and back, the first sliding panel bottom that form downwards, first sliding panel is slidingly connected in first connection slot, two first pivots are rotatable to be abutted against in the anchor ring that is positioned at first connection slot, and the outer panel of first connection slot has first breach of stepping down of making way for that first sliding panel rotates.
Back described in the utility model coupling assembly comprises back connection seat and the movable part that is articulated in back support bar, the upper surface of back connection seat has second connection slot of inverted T-shaped, movable part has the sliding part that is slidingly connected the handrail rear portion, sliding part extends export-oriented mutually two second pivots that form that extend of second sliding panel and both sides, front and back, the second sliding panel bottom that form downwards, second sliding panel is slidingly connected in second connection slot, two second pivots are rotatable to be abutted against in the anchor ring that is positioned at second connection slot, and the outer panel of second connection slot has second breach of stepping down of making way for that second sliding panel rotates.
Connection seat comprises preceding pedestal and first cover plate that is fixedly linked in preceding pedestal trailing flank before described in the utility model, first inserting groove of pedestal trailing flank before preceding pedestal upper surface has and is communicated in, the first inserting groove leading flank and the first cover plate leading flank have first locating slot of two symmetries, and first inserting groove and two first locating slots constitute first connection slot.
Back described in the utility model connection seat comprises back pedestal and second cover plate that is fixedly linked in back pedestal trailing flank, back pedestal upper surface has second inserting groove that is communicated in back pedestal trailing flank, the second inserting groove leading flank and the second cover plate leading flank have second locating slot of two symmetries, and second inserting groove and two second locating slots constitute second connection slot.
First of coupling assembly breach and second of the back coupling assembly breach of stepping down of stepping down is positioned at the same side of handrail before described in the utility model.
First lower surface of stepping down breach described in the utility model is lower than the upper surface of first locating slot, and the difference in height between it equals the diameter of first pivot; Described second lower surface of stepping down breach is lower than the upper surface of second locating slot, and the difference in height between it equals the diameter of second pivot.
But the bottom of first locating slot described in the utility model is set to the first snapping hole of clamping first pivot; But the bottom of second locating slot is set to the second snapping hole of clamping second pivot.
The distance up and down of first sliding panel described in the utility model is not less than the horizontal range between the outer panel of first pivot center and preceding connection seat; The distance up and down of described second sliding panel is not less than the horizontal range between the outer panel of second pivot center and back connection seat.
The opening procedure of folding seat frame of the present utility model is as follows: (1), unfolded chair frame; (2) upset handrail, handrail flips an angle (be generally 90 degree), this moment handrail be right against first inserting groove and second inserting groove; (3), depress handrail, make first sliding panel slide in first inserting groove and be plugged in first inserting groove, second sliding panel slides in second inserting groove and is plugged in second inserting groove, gets final product fixed armrest.
The folding process of folding seat frame of the present utility model is as follows: (1), pull-up handrail, make first pivot be abutted against anchor ring in first connection slot, and first pivot also rotates around locating slot, make second pivot be abutted against anchor ring in second connection slot, and second pivot also rotates around locating slot; (2), the upset handrail, handrail flip an angle (be generally 90 degree); (3), folding folding seat frame, get final product.
By above-mentioned description to the utility model structure as can be known, compare, the utlity model has following advantage with background technology:
One, folding seat frame of the present utility model, keeper is turning to be connected in preceding connection seat, and movable part is turning to be connected in the back connection seat, handrail can be around preceding connection seat, back connection seat upset, no matter expansion is still folding, the width of folding seat frame is all little, volume is all little, and the occupation of land space is all little, easy to carry;
Its two, folding seat frame of the present utility model, after the expansion, handrail flushes with back support bar, the width of folding seat frame is the distance between two back support bar, it is little to take up an area of the space; After folding, the handrail upset also is against the outside of back support bar, the width of folding seat frame be distance between two back support bar and two handrail thickness and, (thickness of general handrail is much smaller than the width of handrail), it is little, easy to carry to take up an area of the space;
Its three, the handrail of folding seat frame of the present utility model directly is connected in back support bar and arm-rest frame, arm-rest frame is generally extended by front support rod and forms, so whole folding seat frame is simple in structure, the rod member number is few, cost is low;
They are four years old, first pivot of the present utility model is positioned at first locating slot, when first pivot location is lower than the outer panel of first connection slot, because first sliding panel is subjected to the restriction of the outer panel of first connection slot, so first sliding panel can only slide in first locating slot and can not rotate; When first pivot location is higher than the outer panel of first connection slot, because the outer panel of first connection slot has the breach of stepping down, so first pivot can overturn around first locating slot (preceding connection seat); Second pivot is positioned at second locating slot, when second pivot location is lower than the outer panel of second connection slot, because second sliding panel is subjected to the restriction of the outer panel of second connection slot, so second sliding panel can only slide in second locating slot and can not rotate; When second pivot location is higher than the outer panel of second connection slot, because the outer panel of second connection slot has the breach of stepping down, so second pivot can overturn around second locating slot (back connection seat);
They are five years old, of the present utility model first step down the difference in height between the upper surface of the lower surface of breach and first locating slot equals the diameter of first pivot, so first pivot can be 90 degree around the angle of first locating slot upset, both same first pivot of handrail was around first locating slot upset an angle of 90 degrees degree; Second step down the difference in height between the upper surface of the lower surface of breach and second locating slot equals the diameter of second pivot, so second pivot can be 90 degree around the angle of second locating slot upset, both handrail with second pivot around second locating slot upset an angle of 90 degrees degree.
They are six years old, first of coupling assembly breach and second of the back coupling assembly breach of stepping down of stepping down is positioned at the same side of handrail before of the present utility model, handrail overturns together with first pivot, second pivot, opening the back bar level is positioned on preceding coupling assembly and the back coupling assembly, after folding, handrail flushes the side that is against the folding seat frame;
Its seven, coupling assembly is provided with the first snapping hole before the utility model, the first snapping hole clamping, first pivot is easy to use so the folding seat after opening when folding, can only just can be extracted keeper by certain pulling force, and the phenomenon that can not occur becoming flexible; In like manner, back coupling assembly also is provided with the second snapping hole.
Description of drawings
Accompanying drawing 1 is the perspective view of the folding seat of prior art;
Accompanying drawing 2 is the perspective view that is in user mode of folding seat of the present utility model;
Accompanying drawing 3 is the perspective view in the folding process of being in of folding seat of the present utility model;
Accompanying drawing 4 is the three-dimensional decomposition texture schematic diagram of the amplification of the local A in the accompanying drawing 2;
Accompanying drawing 5 is the three-dimensional decomposition texture schematic diagram of the amplification of the local B in the accompanying drawing 2;
Accompanying drawing 6 is the three-dimensional decomposition texture schematic diagram of the amplification of the Local C in the accompanying drawing 2;
Accompanying drawing 7 is the three-dimensional decomposition texture schematic diagram of the amplification of the local D in the accompanying drawing 2;
Accompanying drawing 8 is the perspective view that is in folded state of folding seat of the present utility model.
The specific embodiment
Be further described below in conjunction with 1,2,3,4,5,6,7,8 pairs of the utility model of accompanying drawing.
A kind of structure improved folding seat frame shown in Fig. 2,3, comprises folding mounting 1, two back support bar 2, two arm-rest frames 3, two handrails, 4, first preceding coupling assembly 5, the second preceding coupling assembly 6, the first back coupling assembly 7 and the second back coupling assembly 8.Coupling assembly 5, the first back coupling assembly 7 all are positioned at the left part of folding mounting 1 before first, and the second preceding coupling assembly 6, the second back coupling assembly 8 all are positioned at the right part of folding mounting 1.
Folding mounting 1 comprises two front support rods 11, two back support rods 12 and four cross folding bars 13.The diameter of the rod member of two front support rods 11, two back support rods 12 and four cross folding bars 13 is identical.
The extension rod that back support bar 2 makes progress for back support rod 12.The bottom of two back support rods 12 is slidingly connected part 122 after being fixed with respectively and being socketed with slidably respectively on plug 121, two back support rods 12 of back.
In four cross folding bars 13, four ends of the first cross folding bar 13 are hinge-coupled plug 111 and two front slide connectors 112 before two respectively; 13 ' four ends of second cross folding bar hinge-coupled respectively are slidingly connected part 122 behind two back plugs 121 and two; The 3rd cross folding bar 13 " four ends respectively hinge-coupled in be positioned at folding mounting 1 left side one before plug 111, a front slide connector 112, afterwards be slidingly connected part 122 behind the plug 121 and; Four ends of the 4th cross folding bar 13 respectively hinge-coupled in be positioned at folding mounting 1 right side one before plug 111, a front slide connector 112, afterwards be slidingly connected part 122 behind the plug 121 and.
Two handrails, 4 lower surfaces have and connect chute 41 successively.The rearward end of chute 41 is provided with locating part 411, prevents that sliding part 731 from skidding off chute 41.
As shown in Figure 4, connection seat and keeper 53 before the first preceding coupling assembly 5 comprises.The coupling assembly 5 rotatable upper ends that are connected in arm-rest frame 3 before first.Keeper 53 is turning to be connected in preceding connection seat.
The pedestal 51 and first cover plate 52 before preceding connection seat comprises.First cover plate 52 is fixedly linked in preceding pedestal 51 trailing flanks.First inserting groove 511, the first inserting grooves, 511 leading flanks of pedestal 51 trailing flanks and first locating slot 512 that first cover plate, 52 leading flanks have two symmetries before preceding pedestal 51 upper surfaces have and are communicated in.First locating slot, 512 lower surfaces and first inserting groove, 511 lower surfaces flush.First inserting groove 511 and two first locating slots 512 constitute first connection slot of inverted T shape.The bottom of two first locating slots 512 is set to the first snapping hole 5121.The left-external side plate of first inserting groove 511 has first breach 514 of stepping down of making way for that first sliding panel rotates.First lower surface of stepping down breach 514 is lower than the upper surface of first locating slot 512.
Before pedestal 51 bottoms be provided with two first lugs, 513, one pins and pass two first lugs 513 and arm-rest frame 3 upper ends, both constituted rotatable connection the between first connection seat 51 and arm-rest frame 3 upper ends.
Fixture 531 comprises shackle member 5311 that adapts to chute 41 and the limit saddle 5312 that is fixedly arranged on shackle member 5311 leading flanks.
First step down the difference in height between the upper surface of the lower surface of breach 514 and first locating slot 512 equals the diameter of first pivot 533.
As shown in Figure 5, connection seat and keeper 53 ' before the second preceding coupling assembly 6 also comprises.The pedestal 51 ' and first cover plate 52 ' before preceding connection seat comprises.Before the structure of connection seat be equal to above-mentioned preceding connection seat, rotating when connecting with the upper end of arm-rest frame 3, its connection orientation differs 180 and spends with the above-mentioned orientation that connects; The structure of keeper 53 ' is equal to above-mentioned keeper 53.
As shown in Figure 6, the first back coupling assembly 7 comprises back connection seat, movable part 73 and rotates connector 74.It is fixedly sleeved in back support bar 2 to rotate connector 74; Back connection seat is articulated in and rotates connector 74.Movable part 73 is turning to be connected in the back connection seat.
Back connection seat comprises the back pedestal 71 and second cover plate 72.Second cover plate 72 is fixedly linked in back pedestal 71 trailing flanks.Second locating slot 712 that second inserting groove 711, the second inserting grooves, 711 leading flanks of pedestal 71 trailing flanks and second cover plate, 72 leading flanks had two symmetries after back pedestal 71 upper surfaces had and are communicated in.The lower surface of the lower surface of second inserting groove 711 and two second locating slots 712 flushes.Second inserting groove 711 and two second locating slots 712 constitute second connection slot of inverted T shape.The bottom of two second locating slots 712 is set to the second snapping hole 7121.The second left-external side plate of second inserting groove 711 has second breach 714 of stepping down of making way for that second sliding panel rotates.Second lower surface of stepping down breach 714 is lower than the upper surface of second locating slot 712.
Rotate connector 74 and comprise and fixedly sleevedly extend into a plate 742 forward that back connection seat rotation is connected in plate 742 in the fixed sleeve part 741 at back support bar 2 middle parts and the front side of fixed sleeve part 741.
Sliding part 731 is suitable with chute 41.
Second step down the difference in height between the upper surface of the lower surface of breach 714 and second locating slot 712 equals the diameter of second pivot 733.
Second pivot 733 is positioned at second locating slot 712, when second pivot, 733 positions are lower than the second left-external side plate, because second sliding panel 732 is subjected to the restriction of the second left-external side plate, so second pivot 733 and second sliding panel 732 can only slide up and down in second connection slot; When second pivot, 733 positions are higher than the second left-external side plate, both second pivot 733 was abutted against when being positioned at the anchor ring of second connection slot, because the second left-external side plate has second breach 714 of stepping down, so second pivot 733 and second sliding panel 732 not only can second connection slot in to lower slider, but also can overturn around second locating slot 712 (back connection seat).
As shown in Figure 7, the second back coupling assembly 8 also comprises back connection seat, movable part 73 ' and rotates connector 74 '.Back connection seat comprises the back pedestal 71 ' and second cover plate 72 '.It is identical with the structure of above-mentioned rotation connector 74 to rotate connector 74 ', when connecting with backrest 2, its with above-mentioned connect symmetrical; The structure of this back connection seat is equal to above-mentioned back connection seat, is rotating when connecting with plate, and its connection orientation differs 180 and spends with the above-mentioned orientation that connects; The structure of movable part 73 ' is equal to above-mentioned movable part 73.
Shown in Fig. 2,3, before first first of coupling assembly 5 step down breach 514 with first afterwards second breach 714 of stepping down of coupling assembly 7 be positioned at the limit, left side of handrail 4.
The structure of preceding connection seat is equal to the structure of back connection seat; The structure of first sliding panel 532 is equal to the structure of second sliding panel 732; The structure of first pivot 533 is equal to the structure of second pivot 733.Before of the present utility model first first of coupling assembly 5 step down breach 514 with first afterwards second breach 714 of stepping down of coupling assembly 7 be positioned at the same side of handrail 4, handrail 4 rotates together with first pivot 513, second pivot 713, opening back bar 4 levels is positioned on the first preceding coupling assembly 5 and the first back coupling assembly 7, after folding, handrail 4 flushes the side that is against the folding seat frame.In like manner, another handrail opens back bar 4 levels and is positioned on the second preceding coupling assembly 6 and the second back coupling assembly 8, and after folding, handrail 4 flushes the side that is against the folding seat frame.
The above, it only is the utility model preferred embodiment, so can not limit the scope that the utility model is implemented with this, i.e. the equivalence of doing according to the utility model claim and description changes and modifies, and all should still belong in the scope that the utility model patent contains.
Claims (10)
1, a kind of structure improved folding seat frame, comprise folding mounting and two handrails, two handrail lower surfaces have chute, it is characterized in that: described folding seat frame also comprises two preceding coupling assemblies that are oppositely arranged and two back coupling assemblies that are oppositely arranged; Before coupling assembly comprise the preceding connection seat that is articulated in folding mounting and the keeper of the handrail leading section that is fixedly connected, keeper is turning to be connected in preceding connection seat; Described back coupling assembly comprises the back connection seat that is articulated in folding mounting and is slidingly connected in the movable part of handrail chute, and movable part is turning to be connected in the back connection seat.
2, structure improved folding seat frame according to claim 1, it is characterized in that: described folding mounting has two back support bar, two arm-rest frames, two back support bar are connected in folding both sides, mounting rear portion respectively, and two arm-rest frames are connected in folding mounting front part sides respectively.
3, structure improved folding seat frame according to claim 2, it is characterized in that: coupling assembly comprises preceding connection seat and the keeper that is articulated in arm-rest frame before described, the upper surface of preceding connection seat has first connection slot of inverted T-shaped, keeper has the fixture of affixed handrail front portion, fixture extends export-oriented mutually two first pivots that form that extend of first sliding panel and both sides, front and back, the first sliding panel bottom that form downwards, first sliding panel is slidingly connected in first connection slot, two first pivots are rotatable to be abutted against in the anchor ring that is positioned at first connection slot, and the outer panel of first connection slot has first breach of stepping down of making way for that first sliding panel rotates.
4, structure improved folding seat frame according to claim 2, it is characterized in that: described back coupling assembly comprises back connection seat and the movable part that is articulated in back support bar, the upper surface of back connection seat has second connection slot of inverted T-shaped, movable part has the sliding part that is slidingly connected the handrail rear portion, sliding part extends export-oriented mutually two second pivots that form that extend of second sliding panel and both sides, front and back, the second sliding panel bottom that form downwards, second sliding panel is slidingly connected in second connection slot, two second pivots are rotatable to be abutted against in the anchor ring that is positioned at second connection slot, and the outer panel of second connection slot has second breach of stepping down of making way for that second sliding panel rotates.
5, structure improved folding seat frame according to claim 3, it is characterized in that: connection seat comprises preceding pedestal and first cover plate that is fixedly linked in preceding pedestal trailing flank before described, first inserting groove of pedestal trailing flank before preceding pedestal upper surface has and is communicated in, the first inserting groove leading flank and the first cover plate leading flank have first locating slot of two symmetries, and first inserting groove and two first locating slots constitute first connection slot.
6, structure improved folding seat frame according to claim 4, it is characterized in that: described back connection seat comprises back pedestal and second cover plate that is fixedly linked in back pedestal trailing flank, back pedestal upper surface has second inserting groove that is communicated in back pedestal trailing flank, the second inserting groove leading flank and the second cover plate leading flank have second locating slot of two symmetries, and second inserting groove and two second locating slots constitute second connection slot.
7, according to claim 5 or 6 described structure improved folding seat framves, it is characterized in that: first of coupling assembly breach and second of the back coupling assembly breach of stepping down of stepping down is positioned at the same side of handrail before described.
8, according to claim 5 or 6 described structure improved folding seat framves, it is characterized in that: described first lower surface of stepping down breach is lower than the upper surface of first locating slot, and the difference in height between it equals the diameter of first pivot; Described second lower surface of stepping down breach is lower than the upper surface of second locating slot, and the difference in height between it equals the diameter of second pivot.
9, according to claim 5 or 6 described structure improved folding seat framves, it is characterized in that: but the bottom of described first locating slot is set to the first snapping hole of clamping first pivot; But the bottom of second locating slot is set to the second snapping hole of clamping second pivot.
10, according to claim 5 or 6 described structure improved folding seat framves, it is characterized in that: the distance up and down of described first sliding panel is not less than the horizontal range between the outer panel of first pivot center and preceding connection seat; The distance up and down of described second sliding panel is not less than the horizontal range between the outer panel of second pivot center and back connection seat.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420041067 CN2703452Y (en) | 2004-05-31 | 2004-05-31 | Structure-improved folding chair-frame |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420041067 CN2703452Y (en) | 2004-05-31 | 2004-05-31 | Structure-improved folding chair-frame |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2703452Y true CN2703452Y (en) | 2005-06-08 |
Family
ID=34774539
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200420041067 Expired - Fee Related CN2703452Y (en) | 2004-05-31 | 2004-05-31 | Structure-improved folding chair-frame |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2703452Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107198379A (en) * | 2016-03-18 | 2017-09-26 | 林園淳 | Folding chairs |
| CN108784074A (en) * | 2017-04-28 | 2018-11-13 | 张明正 | Bearing frame |
-
2004
- 2004-05-31 CN CN 200420041067 patent/CN2703452Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107198379A (en) * | 2016-03-18 | 2017-09-26 | 林園淳 | Folding chairs |
| CN108784074A (en) * | 2017-04-28 | 2018-11-13 | 张明正 | Bearing frame |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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: 20050608 Termination date: 20100531 |