CN100459924C - Multifunctional mop washing and dewatering machine - Google Patents
Multifunctional mop washing and dewatering machine Download PDFInfo
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- CN100459924C CN100459924C CNB2007100615491A CN200710061549A CN100459924C CN 100459924 C CN100459924 C CN 100459924C CN B2007100615491 A CNB2007100615491 A CN B2007100615491A CN 200710061549 A CN200710061549 A CN 200710061549A CN 100459924 C CN100459924 C CN 100459924C
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Abstract
The multifunctional mop washing and dewatering machine for use in household has the structure comprising one frame, one upper tank with water outlet in the bottom, one lower tank with water draining port in the bottom, one foot operated driving mechanism with upper end extending into the upper tank and one movable pressing board connected to the top of the foot operated driving mechanism. The upper tank is used in washing and dewatering mop, and the lower tank is used for collecting waste water for reuse. The present invention has the functions of washing mop and dewatering mop, and is water saving.
Description
Technical field
The present invention relates to a kind of family expenses wash mill, specifically a kind of multifunctional mop washing and dewatering machine.
Background technology
For many years, for solving the dehydration problem of traditional writing brush formula mop, many inventions emerge in an endless stream, and the new product on the market also has a lot.Conclude and get up roughly to be divided into two classes: the first kind is the invention of being done on the mop bar, and promptly more additional devices on the mop bar so that the mop head is pushed, make it dehydration.Compare with traditional mop, invention of this class and product be because the existence of attachment device, thereby cause certain inconvenience to use, so application surface is narrower.Second class is the invention of utensil class, designs a kind of independently mechanical device exactly, so that mop is dewatered.The mop dehydrator of this apparatus type is comparatively typical with the squezzing dolly, and mainly is in hotel, hotel, uses when being flowed in places such as guest room, assembly hall cleaning.Owing to reasons such as function singleness and floor space are big, thereby this class mop dehydrator is unsuitable for popularizing in resident family and uses.
The time today, in most resident families and unit, use, remain traditional mop and simple mop service sink, the mode of cleaning mop remains with feeling repeatedly the water flushing.So people face is not only the helpless of mop " water droplet is along with mop flows " that can't dewater, but also the waste that is always continuing the water resource of " flushing is thrown repeatedly, water purification also stream in vain ".
Summary of the invention
Purpose of the present invention just provides a kind of multifunctional mop washing and dewatering machine that can efficiently clean and dewater traditional mop, to overcome the deficiency that prior art exists, satisfies the needs that the mop cleaning of most resident families and unit is used.
The present invention is achieved in that multifunctional mop washing and dewatering machine is that uncovered upper storage reservoir and lower storage reservoir are being housed on the frame, and the apopore of upper storage reservoir bottom is positioned at the lower storage reservoir top, and the bottom of lower storage reservoir is provided with discharge outlet; Pedal drive mechanism is housed on frame, and upper storage reservoir is stretched on the top of pedal drive mechanism, connects dynamic pressure plate; Having the water outlet round that is positioned at above the lower storage reservoir on the upper storage reservoir pool wall relative with dynamic pressure plate.
Design philosophy of the present invention is carried out the flushing of mop exactly with the upper storage reservoir of mop washing and dewatering machine, and utilizes pedal drive mechanism and dynamic pressure plate the mop of cleaning to be carried out the extrusion dehydration of operated by foot; Collect the waste water that upper storage reservoir flows down with lower storage reservoir, and utilize and last time cleaned immersion and the prewashing that collected waste water carries out the preceding mop of this flushing.
Adopt this minute pond cleaning, the structure of dehydrating operations and the advantage of mode of operation to be:
The one, the branch pond by upper and lower pond is provided with, and can utilize lower storage reservoir to select to collect to carry out the clean waste water that the mop cleaning process later stage produced at upper storage reservoir, rather than the single pond of picture cleans, or whole reservation, or all drains.
The 2nd, the clean waste water that lower storage reservoir is collected utilizes again, promptly utilizes the last time collected cleaner waste water of mop cleaning, before this mop cleans, earlier dirty mop is soaked and prewashing.And the direct effect of this immersion and prewashing is exactly, and is reaching on the basis of basic identical cleaning performance, can reduce the water total amount that each mop cleans significantly, and this has just realized secondary waste water utilizing and using water wisely in the mop cleaning process.
The 3rd, by the branch pond setting in upper and lower pond, can observe directly the water quality of the waste water that when upper storage reservoir cleans mop, is flowed down, be convenient in time cut off flushing process, avoid the generation and its corresponding water utilization waste of excessive washout phenomenon, further improve the reduce water consumption in the mop cleaning process thus, and overcome the helpless of original single pond cleaning existing " flushing throwing, water purification is repeatedly also flowed in vain ".
The 4th, by the mop in upper storage reservoir flushing with the foot-operated extrusion dehydration in the pond, both avoided the moving between from the pond to the dehydrator of band water mop in the cleaning process, overcome the drawback of " water droplet is along with mop flows "; Avoided in the mop dehydration pollution again, improved the civilization degree of mop dehydration because of the direct operating of contacts adversary of hand; Also alleviated the labour intensity of manual dehydrating operations simultaneously.
Like this, cleaning dewaterer of the present invention just can be realized the multiple functions such as prewashing, flushing, dehydration and water saving of mop, and, cleaning dewaterer of the present invention is on the basis as family expenses mop cleaning and dewatering isolated plant, the special utensil of a kind of wastewater collection and utilization also is provided for resident family, for the numerous common people provide the mode of thinking of a kind of wastewater collection and utilization, cultivated a kind of water-saving habits and customs, for save China's preciousness, deficient day by day water resource provide a kind of may.Key of the present invention just is this.
The present invention also can realize like this: be installed into water pipe at frame top, the lower end one tunnel of water inlet pipe is communicated with the upper storage reservoir filling pipe through left water valve and left tube connector, and another road is communicated with the lower storage reservoir filling pipe through right water valve and right tube connector.Like this, the pond water supply up and down respectively of left and right two controlled supply channels just can be arranged on cleaning dewaterer of the present invention, the two does not disturb mutually, make lower storage reservoir when retaining is not enough, can directly pass through the water inlet pipe water filling, avoided the use inconvenience that to leak to lower storage reservoir through upper storage reservoir, for the cleaning of mop provides convenience, and also can form an operating console that left and right water valve is housed, for the cleaning of mop further provides convenience on the top of cleaning dewaterer of the present invention.
The present invention also can realize like this: be provided with L type connecting pipe between the end of lower storage reservoir mouth and rear wall, be connected to the control valve of pool water level and lower storage reservoir draining under the control in connecting pipe, discharge outlet communicates with the standpipe section end opening of connecting pipe.Adopt this structure, by controlling control valve, both can discharge cleaning waste water dirty excessively in the lower storage reservoir in time, can corresponding lower storage reservoir reservoir storage be set according to different application targets or use habit again, satisfy the use needs of different user, various objectives thus, make that the function of secondary waste water utilizing of cleaning dewaterer of the present invention is further expanded.
Below in conjunction with accompanying drawing the present invention is further described.
Description of drawings
Fig. 1 is the Facad structure schematic diagram of one embodiment of the invention.
Fig. 2 is a side direction structural representation of the present invention.
Fig. 3 is the structural representation of upper and lower pond inlet pipeline.
Fig. 4 is the structural representation of lower storage reservoir and control valve thereof.
Fig. 5 is the plan structure schematic diagram of upper storage reservoir.
Fig. 6 is a plan structure schematic diagram of the present invention.
Fig. 7, Fig. 8 are the structural representations of another embodiment of the present invention.
The specific embodiment
Embodiment 1:
As shown in Figure 1 and Figure 2, the frame 5 of cleaning dewaterer of the present invention is the vertical frame structure, on the top of frame 5 uncovered upper storage reservoir 9 is housed, and the suitable for reading of upper storage reservoir 9 leaned forward, and is convenient to the cleaning operation of mop in the pond.As shown in Figure 5, have a plurality of apopores 47 in the bottom of upper storage reservoir 9, apopore all is positioned at the top of lower storage reservoir 23, so that the cleaning waste water that flows out directly falls in the lower storage reservoir.On frame 5 pedal drive mechanism is housed, upper storage reservoir 9 is stretched on the top of pedal drive mechanism, connects dynamic pressure plate 10.Among Fig. 5, the dynamic pressure plate 10 that joins with pedal drive mechanism is located at the one side in the upper storage reservoir 9, and the flushing of mop is on other one side of upper storage reservoir, to satisfy with flushing of the mop in the pond and extrusion dehydration.The upper storage reservoir pool wall relative with dynamic pressure plate 10 is the inclined-plane (Fig. 2) that leans forward in the upper end, to form the seal face that fits with dynamic pressure plate 10, the extruding mop.On the position of the relative dynamic pressure plate 10 of this pool wall, also have the water outlet round 17 that is positioned at the lower storage reservoir top, make this position become the comb of deciding of mop extrusion dehydration.
Upward uncovered lower storage reservoir 23 is contained in the bottom of frame 5, is positioned at the below (Fig. 1) of upper storage reservoir 9, and its volume is greater than the volume of upper storage reservoir, and its front panel protrudes in the front of upper storage reservoir 9 along (Fig. 6), so that slotting get of mop in lower storage reservoir.Be provided with discharge outlet 37 (Fig. 4) in the bottom of lower storage reservoir, can external drainpipe 26 on discharge outlet, make waste water after the cleaning waltz through floor drain in the washroom, flow to sewer.
Upper and lower pond can be monomer structure, is separately fixed on the frame 5.Make for convenient, the backboard 11 (Fig. 2) of available frame 5 has also made things convenient for the making and the installation of device thus as the squab panel of upper storage reservoir 9.
This device can directly utilize water tap to the upper storage reservoir water filling, carries out the cleaning of mop.But, do not bring the cleaning dewaterer of water pipe into, putting of its position will be subjected to bigger restriction.For overcoming this shortcoming, this device also is equipped with water inlet pipe 32 (Fig. 1) at the top of frame 5, thereby has increased an inlet pipeline of this device.As shown in Figure 3, be contained in the water inlet pipe 32 at frame 5 tops, its lower end one tunnel is through the filling pipe 35 of left water valve 33 and left tube connector 34 connection upper storage reservoirs 9, and another road is communicated with the filling pipe 29 of lower storage reservoirs 23 through right water valve 31 and right tube connector 30.The control handle 28 of left side water valve and the control handle 27 of right water valve all are arranged on the front panel of upper rack, have formed the operating desk of a control upper and lower pond water inlet.
This device can directly be provided with stopper on the discharge outlet of lower storage reservoir 23 bottoms, to block discharge outlet, keep the waste water that cleans mop.But the shortcoming of doing like this has two: one, will open the overflow duct on the lower storage reservoir pool wall, to prevent addle suitable for reading excessive from lower storage reservoir; The 2nd, need manual plug stopper, will make dirty like this hand and arm.For this reason, this device is separated the end mouth of discharge outlet and lower storage reservoir, a L type connecting pipe 46 (Fig. 4) is set between the end of lower storage reservoir 23 mouth and rear wall, is connected to the control valve of pool water level and lower storage reservoir draining under the control in connecting pipe 46, discharge outlet 37 communicates with the standpipe section end opening of connecting pipe 46.By controlling control valve, can discharge the addle in the lower storage reservoir, and can set liquid level in the lower storage reservoir according to different needs.Grate 45 at the bottom of mouth at the bottom of the lower storage reservoir can install one additional, flow into to avoid bigger foreign matter, block connecting pipe 46 or sewer pipe.
The control valve that this device is used can adopt the corresponding construction that has the control valve in the two-tub washing machine now.In addition, because the effect of lower storage reservoir is simple relatively, so the present invention gives a kind of control valve of simplified structure on this basis.The structure of this control valve as shown in Figure 4, be that hollow valve rod 40 is housed in the standpipe section of connecting pipe 46, the external sealing ring 38 of the end mouth of valve rod, and it is relative with lower storage reservoir discharge outlet 37, on the outer wall of valve rod, be connected with upper and lower slide block 42,39, at the sealing-in valve gap 44 suitable for reading of connecting pipe 46, socket spring 43 between valve gap and top shoe, the valve rod stay cord 13 that connects suitable for reading, the stay cord upper end joins with the knob drainage switch 14 that is located at frame top.For making stay cord and valve rod 40 keep the plumb position, smooth and easy laborsaving so that switch is controlled, directive wheel 12 (Fig. 2) can be set on the relevant position on the frame 5, adjust the position of stay cord.
The height of the hollow valve rod 40 in the above-mentioned control valve is the peak level setting height of lower storage reservoir 23.Before discharge outlet 37 was not opened, unnecessary waste water can be by suitable for reading, the inner chamber and the end opening of hollow valve rod 40, at last by discharge outlet 37 and drainpipe 26, outside the outflow machine in the lower storage reservoir 23.
When the liquid level in the need adjustment lower storage reservoir, the knob 15 of drainage switch 14 on the rotatable platform makes it to move by the hollow valve rod 40 of stay cord 13 pullings, thereby opens discharge outlet 37, and the part waste water in the pond is flowed out.After treating that water level is reduced to suitable height, the knob 15 that circles round by the resilience tension force of valve rod upper end outer casing spring 43, falls hollow valve rod 40 after rise, covers discharge outlet 37 thus, and current are ended.
On the basis of above-mentioned various implementation structures, a kind of specific implementation of the pedal drive mechanism in this device is, the end (Fig. 2, Fig. 6) that on two cant boards that are positioned at the lower storage reservoir both sides of frame 5, connects 1 two side semi-girders of door type pedal rod respectively by lower beam axle 2, connect 8 two sides of door type upper rack posts by upper boom axle 6 and stretch the flex point (Fig. 1, Fig. 2) of cranking arm, between the side semi-girder of the side semi-girder of upper rack posts 8 and pedal rod 1, be rotatably connected to upright connecting rod 21 by connecting axle 19; Be connected to two vertical rods 18 (Fig. 1) on the crossbeam of upper rack posts 8, the cylindrical void 48 (Fig. 5) on the upper storage reservoir base plate is passed in the upper end of vertical rod 18, joins with dynamic pressure plate 10 in the upper storage reservoir.The close together of two vertical rods 18 is positioned within the scope suitable for reading of lower storage reservoir 23 with the cylindrical void 48 on the upper storage reservoir 9 that guarantees to be passed through.Vertical rod 18 moves forward and backward in cylindrical void, so that the extruding repeatedly that the dynamic pressure plate 10 that is connected in the upper storage reservoir 9 is realized mop.
This pedal drive mechanism is the parallel-crank mechanism that pedal rod 1, upper rack posts 8, connecting rod 21 and frame 5 is hinged to a compound lever.Utilize this pedal drive mechanism, the operator applies a very little power downwards with riding pedal 22 on pedal rod 1, just can make the grate of deciding on the dynamic pressure plate 10 relative upper storage reservoirs 9 of vertical rod 18 upper ends produce a bigger extruding force, pushes mop, makes it to dewater.After stepping on, hook pedal rod 1 with instep again, dynamic pressure plate 10 is resetted.So repeatedly several times, water contained in the mop can be removed big portion.The advantage of this pedal drive mechanism is a compact conformation, and action is stable.
For reducing the loaded down with trivial details of mop dehydrating operations, as shown in Figure 2, be connected to reduction torsion spring 3 by spring shaft 4 on the cant board that the frame 5 between upper boom axle 6 and the lower beam axle 2 is installed, an end of reduction torsion spring is stuck on the lower beam axle 2, and the other end is stuck on the roller 20 that is loaded on the connecting rod 21.Resilience dilating effect power by reduction torsion spring 3 can make the pedal drive mechanism self-return, has saved the work of returning the hook pedal rod with instep thus.
Among Fig. 2, on the relevant position on frame 5 cant boards, be fixed with limited post 7, to carry out spacing to it when upper rack posts 8 returns.In the both sides of frame 5 backplate 25 is housed,, makes the outward appearance of device clean and tidy, safe in utilization to protect the pedal drive mechanism that is positioned at lower storage reservoir 23 both sides.Relatively the position of pedal 22 is provided with a upright groove on lower storage reservoir 23 antethecas, can reduce the overhanging degree of pedal rod 1 on the basis of satisfying foot-operated this operation of dehydration like this, to reduce or the generation of the phenomenon of avoiding stumbling as far as possible.Be contained in this and install two legs 24 in front, be preferably made the form of stretching out forward, the structure of this leg can make the trample action of organism adaptation to pedal rod, avoids turning over before the body.
Embodiment 2:
As Fig. 7, shown in Figure 8, part such as the frame 5 in the present embodiment, upper storage reservoir 9, lower storage reservoir 23 and/or inlet pipeline, control valve is all identical with counterpart among the embodiment 1, and present embodiment mainly is that pedal drive mechanism has been carried out designs simplification.
This pedal drive mechanism is the flex point that connects 1 two bendings of door type pedal rod side semi-girder on two cant boards of the frame 5 that is positioned at lower storage reservoir 23 both sides respectively by rotating shaft 49, stretch in the upper end of two bending side semi-girders is horizontal, pass the cylindrical void 48 on upper storage reservoir 9 sidewalls, join with dynamic pressure plate 10 in the upper storage reservoir.Similarly, can self-return for making pedal drive mechanism, on the cant board of frame 5, be connected to reduction torsion spring 3, an end of reduction torsion spring is stuck on the frame 5, and the other end is stuck on the side semi-girder of pedal rod 1.
This is a kind of pedal drive mechanism that adopts single lever principle, and its advantage is simple in structure, but the squeezing action power of dynamic pressure plate 10 is less than the parallel-crank mechanism among the embodiment 1.
Claims (5)
1. a multifunctional mop washing and dewatering machine is equipped with uncovered upper storage reservoir (9) and lower storage reservoir (23) on frame (5), and the apopore of upper storage reservoir bottom is positioned at the lower storage reservoir top, and the bottom of lower storage reservoir is provided with discharge outlet (37); On frame (5) pedal drive mechanism is housed, the top of pedal drive mechanism is stretched into upper storage reservoir (9) and is joined with dynamic pressure plate (10); Having the water outlet round (17) that is positioned at above the lower storage reservoir on the upper storage reservoir pool wall relative with dynamic pressure plate; It is characterized in that,
At frame (5) top water inlet pipe (32) is housed, the lower end one tunnel of water inlet pipe is communicated with upper storage reservoir filling pipe (35) through left water valve (33) and left tube connector (34), and another road is communicated with lower storage reservoir filling pipe (29) through right water valve (31) and right tube connector (30);
Between the end mouth of lower storage reservoir (23) and rear wall, be provided with L type connecting pipe (46), be connected to the control valve of pool water level and lower storage reservoir draining under the control in connecting pipe, the described discharge outlet (37) of lower storage reservoir (23) bottom communicates with the standpipe section end opening of described connecting pipe (46);
Described control valve is that hollow valve rod (40) is housed in the standpipe section of described connecting pipe (46), the external sealing ring of end mouth (38) of valve rod, and mouth is relative with the described discharge outlet (37) of the bottom of lower storage reservoir at the bottom of the described valve rod, and the outer wall of valve rod is connected with upper and lower slide block (42,39); At the sealing-in valve gap suitable for reading (44) of described connecting pipe (46), socket spring (43) between valve gap and top shoe, the valve rod stay cord (12) that connects suitable for reading, the stay cord upper end joins with the knob drainage switch (14) that is located at frame top.
2. multifunctional mop washing and dewatering machine according to claim 1 is characterized in that the control handle (28) of described left water valve and the control handle (27) of described right water valve all are arranged on the front panel on described frame (5) top.
3. multifunctional mop washing and dewatering machine according to claim 1 and 2, it is characterized in that described pedal drive mechanism is the end that connects (1) two side semi-girder of door type pedal rod on two cant boards that are positioned at the lower storage reservoir both sides of described frame (5) respectively by lower beam axle (2), connect (8) two sides of door type upper rack posts by upper boom axle (6) and stretch the flex point of cranking arm, the side of described upper rack posts (8) stretch crank arm and the side semi-girder of described pedal rod (1) between be rotatably connected to upright connecting rod (21); Be connected to vertical rod (18) on the crossbeam of described upper rack posts (8), the dynamic pressure plate (10) that the upper end of vertical rod is passed in cylindrical void (48) and the upper storage reservoir on the upper storage reservoir base plate joins.
4. multifunctional mop washing and dewatering machine according to claim 3, it is characterized in that on the cant board that the frame (5) between upper boom axle and the lower beam axle is installed, being connected to reduction torsion spring (3), one end of reduction torsion spring is stuck on the lower beam axle (2), and the other end is stuck on the roller (20) that is loaded on the connecting rod (21).
5. multifunctional mop washing and dewatering machine according to claim 1 and 2, it is characterized in that described pedal drive mechanism is the flex point that connects (1) two bending of door type pedal rod side semi-girder on two cant boards of the described frame (5) that is positioned at lower storage reservoir (23) both sides respectively by rotating shaft (49), stretch in the upper end of two side semi-girders is horizontal, pass the cylindrical void (48) on upper storage reservoir (9) sidewall, join with described dynamic pressure plate (10) in the upper storage reservoir; Be connected to reduction torsion spring (3) on the cant board of described frame (5), an end of reduction torsion spring is stuck on the frame, and the other end is stuck on the side semi-girder of pedal rod (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2007100615491A CN100459924C (en) | 2007-02-27 | 2007-02-27 | Multifunctional mop washing and dewatering machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2007100615491A CN100459924C (en) | 2007-02-27 | 2007-02-27 | Multifunctional mop washing and dewatering machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101019752A CN101019752A (en) | 2007-08-22 |
| CN100459924C true CN100459924C (en) | 2009-02-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2007100615491A Expired - Fee Related CN100459924C (en) | 2007-02-27 | 2007-02-27 | Multifunctional mop washing and dewatering machine |
Country Status (1)
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| CN (1) | CN100459924C (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102485599A (en) * | 2010-12-06 | 2012-06-06 | 天津光华包装有限公司 | Compaction device for manual packaging |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4161799A (en) * | 1974-04-18 | 1979-07-24 | Sorrells Weldon B | Mop cleaning device |
| CN2103986U (en) * | 1991-08-26 | 1992-05-13 | 李甫泉 | Pedal water tank for washing mop |
| CN2240955Y (en) * | 1994-07-23 | 1996-11-27 | 马建民 | Mop Cleaner |
| US6279195B1 (en) * | 1999-07-08 | 2001-08-28 | Blyth S. Biggs | Ergonomic mop bucket method and apparatus |
| US20020073502A1 (en) * | 1999-03-26 | 2002-06-20 | Gromnicki Martin F. | Mop wringer |
| CN2659325Y (en) * | 2003-11-23 | 2004-12-01 | 王可力 | Mop pail |
| US20060010637A1 (en) * | 2002-04-10 | 2006-01-19 | Duncan Christopher R | Mopping trolleys |
| CN201005653Y (en) * | 2007-02-27 | 2008-01-16 | 孟少甫 | Multifunctional mop cleaning dewaterer |
-
2007
- 2007-02-27 CN CNB2007100615491A patent/CN100459924C/en not_active Expired - Fee Related
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4161799A (en) * | 1974-04-18 | 1979-07-24 | Sorrells Weldon B | Mop cleaning device |
| CN2103986U (en) * | 1991-08-26 | 1992-05-13 | 李甫泉 | Pedal water tank for washing mop |
| CN2240955Y (en) * | 1994-07-23 | 1996-11-27 | 马建民 | Mop Cleaner |
| US20020073502A1 (en) * | 1999-03-26 | 2002-06-20 | Gromnicki Martin F. | Mop wringer |
| US6279195B1 (en) * | 1999-07-08 | 2001-08-28 | Blyth S. Biggs | Ergonomic mop bucket method and apparatus |
| US20060010637A1 (en) * | 2002-04-10 | 2006-01-19 | Duncan Christopher R | Mopping trolleys |
| CN2659325Y (en) * | 2003-11-23 | 2004-12-01 | 王可力 | Mop pail |
| CN201005653Y (en) * | 2007-02-27 | 2008-01-16 | 孟少甫 | Multifunctional mop cleaning dewaterer |
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|---|---|
| CN101019752A (en) | 2007-08-22 |
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Granted publication date: 20090211 Termination date: 20160227 |