CN201762977U - Continuous guide seat-type adhesion lifting scaffold - Google Patents
Continuous guide seat-type adhesion lifting scaffold Download PDFInfo
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- CN201762977U CN201762977U CN2010202687468U CN201020268746U CN201762977U CN 201762977 U CN201762977 U CN 201762977U CN 2010202687468 U CN2010202687468 U CN 2010202687468U CN 201020268746 U CN201020268746 U CN 201020268746U CN 201762977 U CN201762977 U CN 201762977U
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Abstract
The utility model discloses a continuous guide seat-type adhesion lifting scaffold, which comprises a scaffold body, a control system, at least two groups of vertical main frame systems, an anti-falling guiding system, a load control system and a lifting power system, wherein, the scaffold body and the control system are connected with the upper part of a horizontal bearing truss system; the vertical main frame systems are connected with each other in a matching manner; and the vertical main frame systems are fixedly connected with the horizontal bearing truss system and the scaffold body. I-type vertical anti-falling guiding brackets on the vertical main frame systems are used as anti-falling and guiding guide rails, the structure is simple, the rigidity is strong, and the I-type vertical anti-falling guiding brackets are convenient for use. Variable wheels designed in a slanting manner enable the structure of the vertical main frame systems to be simplified. The change of a gap formed between an anti-falling brake cam and a guiding wheel is utilized to lock the I-type vertical anti-falling guiding brackets rapidly, accurately and reliably. A wireless transmission sensor can detect and discover the overload state of electric hoists at any time, and can ensure that each electric hoist is stressed uniformly; in addition, the structure of the continuous guide seat-type adhesion lifting scaffold is very suitable for construction in a building site.
Description
Technical field
The utility model relates to a kind of scaffold for building, belongs to the building implements field, but particularly a kind of continuous guide bracket formula attached lift scaffold of automatic lifting.
Background technology
In the building trade, scaffold is a kind of common tool, after it splices mutually, assembles by standard sections, forms a huge annular frame in the buildings outside, for construction worker's use of constructing.Time-consuming, the effort of the scaffold that this craft builds, the installation and removal process is loaded down with trivial details, dangerous high, the tumble injury accident takes place in the operating process of being everlasting, and particularly along with depth of building constantly increases, this craft builds the more and more danger, difficult more of the process change of scaffold.How to avoid this situation, improve working security, in recent years, a kind of scaffold that can lifting has appearred, this scaffold utilization is connected the cover of one on body of wall apparatus for automatically lifting, move on the whole by a plurality of electric hoists and the cable wire drive scaffold body that is equally spaced, after arriving certain operating position, the scaffold body is fixedlyed connected with body of wall, Deng the construction finish after, again scaffold body integral body is climbed, so constantly carry out repeatedly, the construction worker has avoided the manual inconvenience that builds scaffold along with the scaffold body that climbs is finished the construction of superstructure gradually.This mode both need not once be built too high scaffold, had reduced accident rate, can effectively control the height of scaffold again, satisfied and used needs, and its structure is just accepted by each building site.
The various lifting false works that use on the existing market in lifting process, are divided into by the electric block mounting means: have needs turnovers electric block and need not to have enough to meet the need electric block; Be divided into by the guide rail installation form: have independently to be installed in the middle of two main frames, also have to be installed on the body of wall; By vertical main frame form branch: also have two main frames with single main frame, various informative, kind is different.Its shortcoming is also outstanding relatively, and use is loaded down with trivial details, complicated, poor stability.
Existing self-lifting scaffold shelf structure is improved, particularly improve apparatus for automatically lifting, further improve safety, reliability and the flexibility of its use, just become problem to be solved in the utility model.
Summary of the invention
In view of above-mentioned the deficiencies in the prior art, it is safer, reliable that the utility model aims to provide a kind of use, operates more flexible, continuous guide bracket formula attached lift scaffold easily.
The utility model is achieved through the following technical solutions:
Continuous guide bracket formula attached lift scaffold, comprise the scaffold body, horizontal load-bearing truss system and control system, and at least two group vertical main frame systems of cooperatively interacting and connecting, anti-fall guidance system, load control system and lifting dynamical system, the scaffold body is connected horizontal load-bearing truss system top, vertical main frame systems is fixedlyed connected with the scaffold body with horizontal load-bearing truss system, anti-fall guidance system, load control system is connected with vertical main frame systems respectively with the lifting dynamical system, and control system is electrically connected with load control system and lifting dynamical system respectively.
Described vertical main frame systems comprises vertical support body, promotes base and promotes crossbeam, vertical support body is fixed on and promotes on the base, vertical support body is connected with the scaffold body with horizontal load-bearing truss system respectively, promote crossbeam and be fixed on vertical support body inside front, a bight support in the vertical support body outside is the vertical anti-fall guiding trestle of ' worker ' font.
Described anti-fall guidance system comprises a pair of directive wheel support, at least two pairs of directive wheels, anti-fall brake cam, trigger and attached wall Connection Block, the attached wall Connection Block is fixed on the construction body of wall, a pair of directive wheel support correspondence is connected on the attached wall Connection Block, the two pairs of directive wheels vertically respectively correspondence be connected two directive wheel support inboards, anti-fall brake cam is located in the attached wall Connection Block, the wheel face of anti-fall brake cam is corresponding with two pairs of directive wheels, the outside of the vertical anti-fall guiding trestle of ' worker ' font is between the wheel face of directive wheel and anti-fall brake cam, and trigger is connected on the anti-fall brake cam.
Described attached wall Connection Block both sides are provided with transverse link, and a pair of directive wheel support correspondence respectively is plugged on the transverse link, is provided with latch between directive wheel support and transverse link.
Described lifting dynamical system comprises electric block, boom hoist cable and break-in wheel, and electric block is fixed on and promotes on the crossbeam, and electric block is electrically connected with control system, and boom hoist cable is connected between electric block and the attached wall Connection Block by the break-in wheel.
Described break-in wheel is for a pair of, and a pair of break-in wheel is connected the below that promotes base by break-in riding.
Described trigger comprises locking steel wire and extension spring, and locking steel wire is connected between the wheel rim of boom hoist cable and anti-fall brake cam, and extension spring is connected between the wheel rim and attached wall Connection Block of anti-fall brake cam.
Described load control system comprises connecting rod, compression spring and sensor, electric block is connected by connecting rod and compression spring and promotes on the crossbeam, the compression spring is between connecting rod and lifting crossbeam, and sensor is positioned at compression spring one side, and sensor is electrically connected with control system.
Described sensor is the wireless transmission sensor.
Has the anti-fall guidance system of two covers in described one group of anti-fall guidance system at least, the anti-fall guidance system of two covers is corresponding with the vertical anti-fall guiding trestle of ' worker ' font respectively, the anti-fall guidance system that is positioned at the top is connected with the anti-fall guidance system that is positioned at the below with the series connection steel wire by support bar, the anti-fall guidance system of below is connected with boom hoist cable, support bar is connected between upper and lower two attached wall Connection Blocks, and the series connection steel wire is connected between the wheel rim of upper and lower two anti-fall brake cams.
Continuous guide bracket formula attached lift scaffold described in the utility model, by the vertical main frame systems of fixed installation in scaffold body and horizontal load-bearing truss system, and the direct bight, the outside that the vertical anti-fall guiding trestle of ' worker ' font is connected vertical main frame systems as an ingredient of support body, when using as anti-fall and guiding rail, the vertical anti-fall guiding trestle rigidity of ' worker ' font is strong, Stability Analysis of Structures, simple in structure, cheap for manufacturing cost.For making full use of vertical main frame systems, simplified structure designs, reduces cost, the locking steel wire rope is also by break-in wheel and oblique connection of attached wall Connection Block that is positioned at the below, avoided existing straight under the connection situation being fixedly break-in wheel needs other interpolation bracing frame on vertical main frame systems structure design, manufacturing cost significantly reduces, and production efficiency significantly improves.And be the safety that guarantees use, on boom hoist cable, also be connected with trigger, trigger triggers by the change of tightening tension force on the boom hoist cable at any time, utilize the variation in gap between anti-fall brake cam and directive wheel, formation forms ' locking ' effect, reliable trigger to the vertical anti-fall guiding trestle of ' worker ' font to the locking of the vertical anti-fall guiding trestle of ' worker ' font on upper and lower a plurality of directions, locking is quick, and structure design is ingenious, reasonable.And be the safety that further improves use and lifting process, on the stressed crossbeam of each electric block, also be respectively equipped with the wireless transmission sensor, the overload situations of electric block can be surveyed and find to the wireless transmission sensor at any time, guarantee in each electric block work stressed even, lifting process is stable, reliable, effectively avoids the situation of boom hoist cable generation overload breakage.Total is in light weight, simple in structure, cost of production is low, easy to use, promotes flexibly, and locking is highly suitable for the building site and uses accurately, fast.
Description of drawings
Fig. 1 is a structural representation of the present utility model;
Fig. 2 is that the A of Fig. 1 is to enlarged diagram;
Fig. 3 is the side direction structural representation of vertical main frame systems in the utility model;
Fig. 4 is that the C-C of Fig. 3 is to sectional view;
Fig. 5 be among Fig. 3 B to enlarged diagram.
The specific embodiment
Aim of the present utility model is to improve the unreasonable structure of existing lifting false work, make its more reasonable structure, cost is lower, and safety is higher, particularly at the existing lifting false work that needs the turnover electric block just can carry out lifting, to improve its operation convenience and to use flexibility.
Below in conjunction with accompanying drawing the utility model is further described:
As shown in Figure 1, with a basic operation unit is example, continuous guide bracket formula attached lift scaffold described in the utility model comprises scaffold body 1, horizontal load-bearing truss system 2, control system, and two groups of vertical main frame systems 11, anti-fall guidance system, load control system and lifting dynamical systems that cooperatively interact and connect, two groups of anti-fall guidance systems are two anti-fall guidance system 4 and two anti-fall guidance systems 3 that are positioned at the below that are positioned at the top, and the anti-fall guidance system 4 of top and the anti-fall guidance system 3 of below are one group in twos.Vertical main frame systems 11, anti-fall guidance system, load control system and the lifting dynamical system of two groups of connections that cooperatively interact can realize the work of a basic operation unit safely, finishes building operations.Certainly, according to the size of building, be centered around around the building continuously the composing quantity of the basic operation unit of guide bracket formula attached lift scaffold and also can be a plurality ofly, only needing connect a plurality of basic operation units mutually gets final product.Like this, just can realize that by the lifting dynamical system a plurality of basic operation units promote along the surface of building operations thing is whole, to satisfy the construction needs.Wherein, scaffold body 1 is connected horizontal load-bearing truss system 2 tops, and the workman stands on the scaffold body 1 and just can construct to building surface.The height of scaffold body 1 uses needs satisfying, and simultaneously, can be as the criterion by easy of rise again.The vertical main frame systems 11 of two covers is fixedlyed connected with scaffold body 1 with horizontal load-bearing truss system 2 respectively.
As Fig. 3, Fig. 4, shown in Figure 5, vertical main frame systems is a tetragonal body frame construction, comprises vertical support body on the tetragonal body frame construction, promotes base 30 and promotes crossbeam 7.Vertical support body is fixed on and promotes on the base 30, vertical support body adopts three round steel 22 and the vertical anti-fall guiding trestle 21 of ' worker ' font to form, the vertical anti-fall guiding trestle 21 of ' worker ' font is positioned at a bight in the vertical support body outside, the vertical anti-fall guiding trestle 21 of ' worker ' font uses as the lifting and the anti-fall guide rail of whole continuous guide bracket formula attached lift scaffold, simultaneously, again as a structure ingredient of vertical support body.Promote crossbeam 7 and be fixed on vertical support body inside front, its height is decided according to need the distance that promotes at every turn.
The anti-fall guidance system 4 that is positioned at the top is separately fixed on the metope 14 of building operations with the anti-fall guidance system 3 that is positioned at the below, and respectively from upper and lower both direction corresponding to the vertical anti-fall guiding trestle 21 of ' worker ' font, lifting dynamical system correspondence be connected promote crossbeam 7 and below anti-fall guidance system 3 between, anti-fall guidance system leads to the vertical anti-fall guiding trestle 21 of ' worker ' font from upper and lower both direction and promotes and anti-fall, guarantees that its structural performance is stable, reliably.
Anti-fall guidance system comprises a pair of directive wheel support 24, two pairs of directive wheels 20, anti-fall brake cam 18, trigger and attached wall Connection Blocks 17.The lifting dynamical system comprises electric block 12, boom hoist cable 5 and two break-in wheels 15.Attached wall Connection Block 17 is fixed on the construction body of wall 14, attached wall Connection Block 17 both sides are provided with transverse link 23, a pair of directive wheel support 24 is plugged on the transverse link 23 from the both sides correspondence respectively, 23 of directive wheel support 24 and transverse links are provided with latch 19, latch 19 can pin the two, also can guarantee the reliability that connects convenient the connection.The two pairs of directive wheels 20 vertically respectively correspondence be connected two directive wheel support 24 inboards, anti-fall brake cam 18 is located in the attached wall Connection Block 17, the wheel face of anti-fall brake cam 18 is corresponding with two pairs of directive wheels 20, the outside of the vertical anti-fall guiding trestle 21 of ' worker ' font is between the wheel face of directive wheel 20 and anti-fall brake cam 18, like this, 18 of directive wheel 20 and anti-fall brake cams have formed a clamping action, both can assist the vertical of the vertical anti-fall guiding trestle 21 of ' worker ' font to move, can limit its rapid movement again.Certainly, the quantity of directive wheel 20 also can be more than two pairs, thereby can increase contact area, guarantees guiding and anti-fall reliability.
Trigger comprises locking steel wire 25 and extension spring 26, locking steel wire 25 be connected boom hoist cable 5 and below the wheel rim of anti-fall brake cam 18 between, extension spring 26 is connected between the wheel rim and attached wall Connection Block 17 of anti-fall brake cam 18, extension spring 26 be subjected to force direction and locking steel wire 25 be subjected to force direction opposite, the anti-fall brake cam 18 of below is in relative balance state.Because locking steel wire 25 needs to touch simultaneously the anti-fall brake cam 18 that is positioned at the above and below, be connected with the wheel rim of anti-fall brake cam 18 below being positioned at by series connection steel wire 13 on the wheel rim of above anti-fall brake cam, make upper and lower anti-fall brake cam be in a kind of equilibrium state, guaranteed to trigger simultaneously, act on simultaneously.And be to increase steadiness, between upper and lower two attached wall Connection Blocks, also be connected with support bar 6.
As shown in Figure 2, because in the use, the scaffold body is whole the lifting, for further improving the safety that promotes, between stressed electric block of concentrating 12 and lifting crossbeam 7, also be provided with load control system, to understand and grasp contingent overload situations at any time.Load control system comprises connecting rod 8, compression spring 10 and sensor 9, electric block 12 is connected by connecting rod 8 and compression spring 10 and promotes on the crossbeam 7, compression spring 10 is between connecting rod 8 and lifting crossbeam 7, sensor 9 is positioned at compression spring 10 sides, sensor 9 is by the deflection measuring and calculating to compression spring 10, after wireless transmission, data are delivered in the control system, in control system, draw the stressing conditions of each electric block 12, make the operator can understand the system works situation at any time, keep normal operating conditions, in time handle overload situations.
As Fig. 1, Fig. 2, Fig. 3, Fig. 4, shown in Figure 5, in the use, scaffold body 1 and horizontal load-bearing truss system 2 are fixedly connected on the attached wall Connection Block 17 by electric block 12 and boom hoist cable 5, the workpeople can free work on scaffold body 1, and attached wall Connection Block 17 is buried underground a plurality of on construction body of wall 14 according to the direction that promotes in advance.When needs hoisting scaffold body 1, start electric block 12, boom hoist cable 5 shrinks, because attached wall Connection Block 17 is fixed on the construction body of wall 14, so can drive horizontal load-bearing truss system 2 and 1 rising of scaffold body by vertical main frame systems 11 when boom hoist cable 5 shrinks, its position is improved, satisfy the needs of more high-rise construction.In the uphill process, the outside of the vertical anti-fall guiding trestle 21 of ' worker ' font in the vertical main frame systems 11 is stuck between the wheel face of directive wheel 20 and anti-fall brake cam 18 all the time, effectively prevented the inclination of top scaffold body 1, simultaneously, can also 1 vertical-lift of guide feet hand support body, guaranteed the lifting quality.When the length of boom hoist cable 5 is not enough, can take the boom hoist cable 5 that is connected on the below attached wall Connection Block 17 successively, reconnect on the attached wall Connection Block 17 of higher level, it is motionless that electric block 12 then keeps, so just can promote once more, carry out according to this, on one side construction, the height of continuous on one side adjustment and hoisting scaffold body 1 is to satisfy the construction needs.Because what scaffold body 1 and horizontal load-bearing truss system 2 adopted is whole the lifting, a plurality of electric blocks 12 need to keep the synchronous working state in the lifting, the sensor 9 that is positioned on the connecting rod 8 can be gathered the deformation information that compresses spring 10 at any time, and data wireless is transferred to control system, after calculating, control system draws the stressing conditions of each electric block 12, at any time control the lifting process of each electric block 12, pre-antioverloading takes place.And when boom hoist cable 5 gets loose for a certain reason, then be connected boom hoist cable 5 and below anti-fall brake cam wheel rim between the pulling force of locking steel wire 25 disappear, extension spring 26 is shunk fast, drive anti-fall brake cam 18 rotations of below, the outer side contacts of wheel face that diameter is bigger on the cam and the vertical anti-fall guiding trestle 21 of ' worker ' font, form ' locking ' effect with directive wheel 20, simultaneously, series connection steel wire 13 pulling force that are connected on the anti-fall brake cam wheel rim disappear, going up anti-fall brake cam also rotates, the outside to the vertical anti-fall guiding trestle 21 of ' worker ' font forms ' locking ' effect equally, thereby guaranteed that scaffold body 1 and horizontal load-bearing truss system 2 can landings, guaranteed the safety of using.
Claims (10)
1. continuous guide bracket formula attached lift scaffold, comprise the scaffold body, it is characterized in that, also comprise horizontal load-bearing truss system and control system, and at least two the group vertical main frame systems, anti-fall guidance system, load control system and the lifting dynamical system that cooperatively interact and connect, described scaffold body is connected horizontal load-bearing truss system top, and vertical main frame systems is fixedlyed connected with the scaffold body with horizontal load-bearing truss system; Described anti-fall guidance system, load control system and lifting dynamical system are connected with vertical main frame systems respectively; Described control system is electrically connected with load control system and lifting dynamical system respectively.
2. continuous guide bracket formula attached lift scaffold according to claim 1, it is characterized in that, described vertical main frame systems comprises vertical support body, promotes base and promotes crossbeam, described vertical support body is fixed on and promotes on the base, vertical support body is connected with the scaffold body with horizontal load-bearing truss system respectively, and the lifting crossbeam is fixed on vertical support body inside front; A bight support in the described vertical support body outside is the vertical anti-fall guiding trestle of ' worker ' font.
3. continuous guide bracket formula attached lift scaffold according to claim 1, it is characterized in that, described anti-fall guidance system comprises a pair of directive wheel support, at least two pairs of directive wheels, anti-fall brake cam, trigger and attached wall Connection Blocks, described attached wall Connection Block is fixed on the construction body of wall, and a pair of directive wheel support correspondence is connected on the attached wall Connection Block; Described two pairs of directive wheels vertically respectively correspondence be connected two directive wheel support inboards, anti-fall brake cam is located in the attached wall Connection Block, the wheel face of anti-fall brake cam is corresponding with two pairs of directive wheels, and the outside of the vertical anti-fall guiding trestle of ' worker ' font is between the wheel face of directive wheel and anti-fall brake cam; Described trigger is connected on the anti-fall brake cam.
4. continuous guide bracket formula attached lift scaffold according to claim 3 is characterized in that described attached wall Connection Block both sides are provided with transverse link, and a pair of directive wheel support correspondence respectively is plugged on the transverse link, is provided with latch between directive wheel support and transverse link.
5. continuous guide bracket formula attached lift scaffold according to claim 1, it is characterized in that, described lifting dynamical system comprises electric block, boom hoist cable and break-in wheel, and described electric block is fixed on and promotes on the crossbeam, and electric block is electrically connected with control system; Described boom hoist cable is connected between electric block and the attached wall Connection Block by the break-in wheel.
6. continuous guide bracket formula attached lift scaffold according to claim 5 is characterized in that, described break-in wheel is for a pair of, and a pair of break-in wheel is connected the below that promotes base by break-in riding.
7. continuous guide bracket formula attached lift scaffold according to claim 3 is characterized in that described trigger comprises locking steel wire and extension spring, and described locking steel wire is connected between the wheel rim of boom hoist cable and anti-fall brake cam; Described extension spring is connected between the wheel rim and attached wall Connection Block of anti-fall brake cam.
8. continuous guide bracket formula attached lift scaffold according to claim 1 is characterized in that, described load control system comprises connecting rod, compression spring and sensor, and described electric block is connected by connecting rod and compression spring and promotes on the crossbeam; Described compression spring is between connecting rod and lifting crossbeam, and sensor is positioned at compression spring one side, and sensor is electrically connected with control system.
9. continuous guide bracket formula attached lift scaffold according to claim 8 is characterized in that described sensor is the wireless transmission sensor.
10. continuous guide bracket formula attached lift scaffold according to claim 1, it is characterized in that, has the anti-fall guidance system of two covers in described one group of anti-fall guidance system at least, the anti-fall guidance system of two covers is corresponding with the vertical anti-fall guiding trestle of ' worker ' font respectively, the anti-fall guidance system that is positioned at the top is connected with the anti-fall guidance system that is positioned at the below with the series connection steel wire by support bar, the anti-fall guidance system of below is connected with boom hoist cable, support bar is connected, between following two attached wall Connection Blocks, the series connection steel wire is connected, between the wheel rim of following two anti-fall brake cams.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202687468U CN201762977U (en) | 2010-07-20 | 2010-07-20 | Continuous guide seat-type adhesion lifting scaffold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202687468U CN201762977U (en) | 2010-07-20 | 2010-07-20 | Continuous guide seat-type adhesion lifting scaffold |
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| Publication Number | Publication Date |
|---|---|
| CN201762977U true CN201762977U (en) | 2011-03-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010202687468U Expired - Fee Related CN201762977U (en) | 2010-07-20 | 2010-07-20 | Continuous guide seat-type adhesion lifting scaffold |
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| CN (1) | CN201762977U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102587633A (en) * | 2012-03-16 | 2012-07-18 | 河南省安装集团有限责任公司 | Space truss type attached lifting scaffold |
| CN108483190A (en) * | 2018-03-29 | 2018-09-04 | 中国建筑股份有限公司 | A kind of intelligence aluminum alloy mould plate conveying device and its operating method |
| CN110528858A (en) * | 2019-08-07 | 2019-12-03 | 深圳市特辰科技股份有限公司 | A kind of climbing frame of cam orientation |
| CN114592677A (en) * | 2022-04-01 | 2022-06-07 | 吉林省光源建筑工程有限公司 | Tool type scaffold anti-falling system |
-
2010
- 2010-07-20 CN CN2010202687468U patent/CN201762977U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102587633A (en) * | 2012-03-16 | 2012-07-18 | 河南省安装集团有限责任公司 | Space truss type attached lifting scaffold |
| CN108483190A (en) * | 2018-03-29 | 2018-09-04 | 中国建筑股份有限公司 | A kind of intelligence aluminum alloy mould plate conveying device and its operating method |
| CN108483190B (en) * | 2018-03-29 | 2023-11-28 | 中国建筑股份有限公司 | Intelligent aluminum alloy template material conveying device and operation method thereof |
| CN110528858A (en) * | 2019-08-07 | 2019-12-03 | 深圳市特辰科技股份有限公司 | A kind of climbing frame of cam orientation |
| CN114592677A (en) * | 2022-04-01 | 2022-06-07 | 吉林省光源建筑工程有限公司 | Tool type scaffold anti-falling system |
| CN114592677B (en) * | 2022-04-01 | 2024-04-02 | 安徽道元建筑科技有限公司 | Tool type scaffold anti-falling system |
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| 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: 20110316 Termination date: 20130720 |