CN101204739B - Electric hand tool machine having a tool locking system - Google Patents
Electric hand tool machine having a tool locking system Download PDFInfo
- Publication number
- CN101204739B CN101204739B CN200710300978XA CN200710300978A CN101204739B CN 101204739 B CN101204739 B CN 101204739B CN 200710300978X A CN200710300978X A CN 200710300978XA CN 200710300978 A CN200710300978 A CN 200710300978A CN 101204739 B CN101204739 B CN 101204739B
- Authority
- CN
- China
- Prior art keywords
- electric hand
- executive component
- hand tool
- dead slot
- radial projection
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 230000008878 coupling Effects 0.000 claims description 10
- 238000010168 coupling process Methods 0.000 claims description 10
- 238000005859 coupling reaction Methods 0.000 claims description 10
- 238000006073 displacement reaction Methods 0.000 claims description 2
- 230000001681 protective effect Effects 0.000 description 4
- 238000007789 sealing Methods 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000005476 soldering Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25D—PERCUSSIVE TOOLS
- B25D17/00—Details of, or accessories for, portable power-driven percussive tools
- B25D17/08—Means for retaining and guiding the tool bit, e.g. chucks allowing axial oscillation of the tool bit
- B25D17/084—Rotating chucks or sockets
- B25D17/088—Rotating chucks or sockets with radial movable locking elements co-operating with bit shafts specially adapted therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25D—PERCUSSIVE TOOLS
- B25D2216/00—Details of portable percussive machines with superimposed rotation, the rotational movement of the output shaft of a motor being modified to generate axial impacts on the tool bit
- B25D2216/0069—Locking means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25D—PERCUSSIVE TOOLS
- B25D2217/00—Details of, or accessories for, portable power-driven percussive tools
- B25D2217/003—Details relating to chucks with radially movable locking elements
- B25D2217/0038—Locking members of special shape
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25D—PERCUSSIVE TOOLS
- B25D2250/00—General details of portable percussive tools; Components used in portable percussive tools
- B25D2250/325—Use of bayonets
Abstract
The invention relates to an electric hand tool machine (1) having a tool locking system (25), which for the purpose of unlocking has an actuating element (16) that is displaceable counter to spring action axially into an unlocking position, wherein the actuating element (16) is fixable in unlocking position by means of a bayonet catch (41).
Description
Technical field
The present invention relates to a kind of electric hand tool with tool locking system, this tool locking system can overcome spring action and moves axially to an executive component on the unlocked position for release has one.
Background technology
The electric hand tool of the above-mentioned type is known.Therefore there are some electric hand tools, for example percussive drill, they have tool locking system, can fix instrument, a for example drill bit that is inserted in the electric hand tool by means of this tool locking system, as long as this executive component is in the words in the lock position.For this reason, this tool locking system has the locking body, and described locking body is radially inserted in the axially extended groove of instrument or pad, and wherein this instrument has definite movement clearance in the axial direction under lockup state.At this, prevent that by axially movable locking element the radial deflection of locking body from moving, if the locking sleeve is in the lock position.Because spring force, executive component remains on the lock position.If this executive component is moved on the unlocked position by the operator with overcoming spring force, locking is known from experience skew radially outward so, and instrument can be taken off or is inserted into the instrument receiving system from the instrument receiving system.
Though can instrument be taken off or be installed to this electric hand tool from electric hand tool by simple mode and method by this tool locking system, but need a hand that executive component is moved in the unlocked position this operator, in this unlocked position, on the duration of taking off or loading onto of instrument, must keep executive component, and second hand is used to take off or load onto instrument always.At this, two hands of operator must leave the handle that grasps of electric tools, so this operator no longer can be caught this electric tools reliably.When particularly on narrow scaffold, working, when changing instrument, have higher danger, that is, instrument or or even whole electric hand tool skid off and drop downwards from operator's hand.Exist thus and make the people injured and damage the danger of electric hand tool.In addition, the grasping of this necessity is not very comfortable for the operator.
Summary of the invention
The present invention proposes, and executive component can be fixed in the unlocked position by means of bayonet coupling.Thereby as long as the operator moves to executive component on the unlocked position, the operator just can make this executive component can not move back on the lock position owing to the spring force of tool locking system by means of this executive component of bayonet coupling (Bajonettverschluss) locking.Thereby the operator at first can be cosily with this tool locking system of a hand operated release in other words and locking/fix, and then instrument is taken off or is installed to this electric hand tool from electric hand tool, and needn't use its second hand at this.Thus, this operator obtains following advantage, makes a hand can grasp this electric hand tool all the time reliably, and needn't carry out grasping.
What conform with purpose is that this bayonet coupling is made of the radial projection that at least one can be presented in the horizontal dead slot.At this, laterally the longitudinal extension of dead slot perpendicular to, promptly the direction ground transverse to spring force constitutes, executive component moves with can overcoming this spring force, makes that inserting its interior radial projection only can move transverse to the direction of operating of executive component.Therefore this bayonet coupling constitutes the axial lock locking apparatus of executive component.At this, axially especially should be understood to the orientation of the axis of operation of electric hand tool, the rotation of for example rig.
Advantageously, this radial projection is arranged on the housing of electric hand tool or is arranged on the executive component, and laterally dead slot is configured in executive component or the housing.Preferred this horizontal dead slot constitutes perforation, makes radial projection pass housing or the effect of executive component ground.If a plurality of radial projection and horizontal dead slot are set, they also can be provided with or constitute in combination so, therefore for example alternately not only have radial projection but also have dead slot on housing and executive component.
What conform with purpose is that executive component and housing constitute an overlay area at least on unlocked position, make this executive component for example partly surround this housing.What conform with purpose is that described radial projection and dead slot are arranged in this overlay area.
According to further scheme of the present invention, described radial projection can be by the displacement of executive component on the unlocked position of tool locking system, especially be presented in the horizontal dead slot by its rotation.At this, this executive component preferably can be supported rotatably around the axis of operation of electric hand tool.Therefore the operator at first can move to executive component in the unlocked position and come axially this executive component of locking by the rotary manipulation element in this unlocked position with a hand, so that take out or the insertion instrument.
Advantageously, this executive component constitutes operating sleeve.This provides unlocking/locking to end to the operator and the comfortable especially possibility of locking executive component, because the operator can catch and operate this operating sleeve simply with whole hand.
By executive component is constituted operating sleeve (this operating sleeve conform with as already mentioned the destination can move axially ground and can be supported rotatably around mobile axis), can be simply and realize being used for the bayonet coupling of (axially) fixing operation element or operating sleeve at an easy rate.
According to further scheme of the present invention, a plurality of horizontal dead slots of ground structure distribute on the circumference of operating sleeve.Described horizontal dead slot preferably is provided with on circumference evenly distributedly.Therefore, predetermined operation person must not be presented to operating sleeve in the unique possible position, can carry out the locking of executive component and carry out release in case of necessity yet in this position.The substitute is, this operator can be locked at operating sleeve in a plurality of (rotation) position according to the quantity of horizontal dead slot, and wherein, what conform with purpose is, laterally the quantity of dead slot at least with the quantity of radial projection as many.What conform with purpose is, is connected with vertical dead slot that the edge opens wide on described horizontal dead slot, and this vertical dead slot receives described radial projection when operating sleeve/executive component moves on the unlocked position.Therefore, have only when operating sleeve/executive component and rotate like this, make that tool locking system just can be unlocked when radial projection can be presented in vertical acceptance division.
According to the present invention, described radial projection constitutes pin, and this pin advantageously is inserted into one and receives in the recess.For example housing has a reception recess in the overlay area, and described pin can be inserted in this reception recess like this, makes this pin be fixed in this reception recess.At this, receive recess and pin and be preferably formed interference fit.Additionally, described pin also can be bonding and/or welding/soldering in the acceptance division of described recess.What conform with purpose is, described horizontal dead slot, vertical dead slot and pin or radial projection constitute like this, make radial projection or pin can easily be presented to vertical dead slot and be presented in the horizontal dead slot, wherein advantageously between radial projection/pin and horizontal dead slot/vertical dead slot, have the gap.The pin ground that replace to insert, preferred and housing of described radial projection or pin or executive component constitute integratedly, make this radial projection or this pin shape connection (Formgebunden) or be integrated in this housing or the executive component.
According to by further scheme of the present invention, described pin constitutes cylindrically, when making this pin in being presented to vertical dead slot or horizontal dead slot oneself " centering ".
Advantageously, described pin/radial projection has at least one side, and this lateral vertical is in the axis of operation ground of electric hand tool or perpendicular to extending on the moving direction ground of executive component.What conform with purpose is, described horizontal dead slot has a corresponding surface relevant with this side, make at radial projection/pin and horizontal dead slot or have that generation face contact between the element (housing or executive component) of horizontal dead slot, so can receive high axial force and reduce wear.
Description of drawings
Explain the present invention in detail by means of accompanying drawing below, shown in the figure:
Fig. 1 illustrates electric hand tool with longitudinal sectional view,
Fig. 2 illustrates electric hand tool with vertical view.
The specific embodiment
Fig. 1 illustrates the longitudinal sectional view of the part of electric hand tool 1 in an embodiment of the present invention, and this electric hand tool constitutes percussive drill.The instrument receiving system 2 of electric hand tool 1 mainly is shown.Instrument receiving system 2 has a receiving system body 3 of hollow cylinder basically, and the pad 4 of not completely shown instrument 5 inserts in this receiving system body.Instrument 5 has a rotation 6, and this rotation is corresponding to the axis of operation 7 of electric hand tool.Receiving system body 3 has a plurality of perforation 8 that distribute on circumference, insert a locking body 9 therein respectively, and its middle punch 8 (axially) constitutes longways than locking body 9, makes described locking body axially to move in perforation 8.Pad 4 has a plurality of cannelures 10 that stretch out above the axial direction part with locking body 9 on its outer peripheral face, embed a locking body 9 in described cannelure respectively.In addition, a backstop sleeve 11 is set on receiving system body 3, it extend into an end 12 has in perforation 8 the axial direction part, this end as locking body 9 axially-and backstop radially.Backstop sleeve 11 can be supported with axial motion on the receiving system body 3 and pressed against on the receiving system body backstop 15 by a flexible ring spring 14 in tensioning between backstop sleeve 11 and the retainer ring 15, wherein retainer ring is supported by a piston ring 44, and this piston ring is arranged on the receiving system body 3.
In addition, instrument receiving system 2 has an executive component 16, and this executive component constitutes operating sleeve 17.At this, this operating sleeve 17 can move axially ground and can be supported rotatably around axis of operation 7.A moving sleeve 18 is set in operating sleeve 17, and the end axis of this moving sleeve by stage clip 19 is to pressing against on the operating sleeve 17.For this reason, stage clip 19 is arranged in stage clip receiving system 20 on its other end, and this stage clip receiving system is arranged on the described receiving system body 3 regularly.Above axis of operation 7, be illustrated in the instrument receiving system 2 in the released state.That is to say, operating sleeve 17 is retracted unlocked position along the spring force that the direction of arrow 21 overcomes stage clip 19, to have a locking body 9 that is coupled to one of moving sleeve 18 end 22 in the perforation 23 thus pulls away from backstop sleeve 11, make that this locking body can radially outward be offset when instrument 5 or pad 4 are pulled out from receiving system body 3 along the direction of arrow 24.
Be illustrated in an instrument receiving system 2 in the state below axis of operation 7, operating sleeve 17 is in the lock position in this state.At this, this operating sleeve pushes on the contrary by the spring force of stage clip 19 and the direction of arrow 21.At this, locking body 19 presses against on the backstop sleeve 11 by means of moving sleeve 18, make this locking body can not radial deflection and instrument 5 be fixed in the receiving system body 3.At this, operating sleeve 17/ executive component 16, moving sleeve 18, stage clip 19, backstop sleeve 11, receiving system body 3 and locking body 9 constitute a tool locking system 25.
Instrument receiving system 2 has a protective cover 26 on the free end of its sensing instrument, this protective cover is made of flexible material and avoids outside pollution by means of two by the sealing lip 27 and the 28 protection electric hand tools 1 that touch on pad 4.At this, protective cover 26 axially is fixed on the receiving system body 3 by means of the protuberance 30 in the recess 29 that is coupled to receiving system body 3.Protective cover 26 has a zone 31 on its excircle, executive component 16 or operating sleeve 17 move on this zone owing to spring force.Advantageously, the outer surface 32 in this zone 31 identifies coloredly, makes the operator to know apace, and whether executive component 16 or operating sleeve 17 are in lock position or the unlocked position.
Directed outwardly 35, one columniform basically pins 36 of reception recess of structure are inserted in this reception recess like this in housing 34, make this pin extend radially out from housing 34.Therefore, this pin 36 constitutes a radial projection 37.Be arranged in the overlay area thereby receive recess 35 and radial projection 37, have only in executive component 16 or operating sleeve 17 are in the unlocked position---as illustrating above the axis of operation 7---time, this overlay area just exists.Executive component 16 or operating sleeve 17 its/have a vertical dead slot 38 on its end 33, it is directed and receive the part of stretching out from housing 34 of pin 36 at least in part when the direction of arrow 21 moves at operating sleeve 17/ executive component 16 along the direction of axis of operation 7.
Fig. 2 illustrates the bigger section of the electric hand tool 1 of Fig. 1 with vertical view.Show executive component 16 or the operating sleeve 17 instrument receiving system 2 in lock position (below axis of operation 7) and unlocked position (above axis of operation 7).In (when having only the spring force that overcomes stage clip 19 along the direction of arrow 21 when executive component 16/ operating sleeve 17 to move axially, just obtaining this overlay area) in the overlay area, the zone overlap joint axis of operation 7 that above axis of operation 7, illustrates.Operating sleeve 17/ executive component 16 cuts open like this with showing and illustrates in this zone, makes to see described vertical dead slot 38, and this vertical dead slot receives pin 36 at executive component 16/ operating sleeve 17 when the direction of arrow 21 moves.Connecting a horizontal dead slot 39 on this vertical dead slot 38, this horizontal dead slot is perpendicular to axis of operation 7 ground orientations.If executive component 16 or operating sleeve 17 are around the direction rotation of axis of operation 7 along arrow 40 now, so described pin 36 just is placed in the horizontal dead slot 39.This pin of representing by a dotted line 39 ' illustrate.On this position, executive component 16 or operating sleeve 17 be locking in the axial direction, makes this executive component or this operating sleeve owing to the spring force pressure of stage clip 19 leans against on the pin 36 (36 '), thereby and is not movable on the lock position.Therefore, pin 36 (36 ') and laterally dead slot 39 formation bayonet couplings 41.
Advantageously, a plurality of vertical dead slots 38 and laterally dead slot 39 setting evenly distributedly on the circumference of operating sleeve 17 make the operator operating sleeve 17 or executive component 16 axially can be locked in a plurality of different (rotation) positions.Other horizontal dead slot 39 ' and vertical dead slot 38 ' dot.Advantageously, a plurality of radial projection 37 or sell 36 ground that on the circumference of housing 34, distribute and be provided with.In alternate configuration of the present invention, laterally dead slot 39, vertically dead slot 38 and sell 36 or radial projection 37 transposing ground be provided with, make radial projection 37/ pin 36 be arranged on executive component 16/ operating sleeve 17 and laterally dead slot 39 and longitudinal fluting 38 constitute in housing 34.
Advantageously, laterally the end 42 of dead slot 39 constitutes like this, thereby makes and the generation face contact corresponding with the shape of the pref. cylindrical of pin 36 of this end, can receive higher power thus and can reduce wearing and tearing.For this reason, alternatively or additionally, pin 36 has at least one flat stop surface (not shown at this), the same flat corresponding or acting in conjunction in side of this stop surface and horizontal dead slot 39.
Now, the operator can move to operating sleeve 17 in the unlocked position and then by sealing bayonet coupling 41 along the rotation of arrow 40 directions, therefore operating sleeve 17 can be fixed on the unlocked position along the direction of arrow 21 for replacing instrument 5.The operator can take off instrument 5 or pad 4 with the hand that he made operating sleeve 17 move just now from instrument receiving system 2 then, wherein, and the skew of locking body 9 radial outward.After inserting new instrument 5 or pad 4, thereby the operator can and remove described bayonet coupling 41 against the direction rotary manipulation sleeve 17 of arrow 40, make operating sleeve 17 since the spring force pressure of stage clip 19 on its lock position, wherein locking body 9 is pressed onto on the backstop sleeve 11.
Therefore, can especially cosily change instrument 5, wherein the operator only needs a hand, and can catch for example additional grip 43 of electric hand tool 1 all the time with its another hand, makes this operator to keep this electric hand tool in all-the-time stable ground.
Claims (13)
1. electric hand tool with tool locking system, this tool locking system can overcome spring action and axially moves to an executive component on the unlocked position for release has one, and it is characterized in that: this executive component (16) can be fixed on the unlocked position by means of bayonet coupling (41).
2. by the described electric hand tool of claim 1, it is characterized in that: this bayonet coupling (41) is made of the radial projection (37) that at least one can be presented in the horizontal dead slot (39).
3. by the described electric hand tool of claim 2, it is characterized in that: the housing (34) that this radial projection (37) is arranged on electric hand tool (1) goes up and this horizontal dead slot (39) is configured on the executive component (16), and perhaps this radial projection (37) is arranged on the executive component (16) and this horizontal dead slot (39) is arranged in the described housing (34).
4. by claim 2 or 3 described electric hand tools, it is characterized in that: the housing (34) of this executive component (16) and electric hand tool (1) forms an overlay area at least in unlocked position.
5. by the described electric hand tool of claim 4, it is characterized in that: described radial projection (37) and horizontal dead slot (39) are arranged in this overlay area.
6. by claim 2 or 3 described electric hand tools, it is characterized in that: be connected with a vertical dead slot (38) on this horizontal dead slot (39), described radial projection (37) can be presented in this vertical dead slot when executive component (16) moves in the unlocked position.
7. by the described electric hand tool of claim 2, it is characterized in that: this executive component (16) constitutes operating sleeve (17).
8. by claim 2 or 3 described electric hand tools, it is characterized in that: this radial projection (37) can be presented to by the displacement of executive component (16) in this horizontal dead slot (39) in unlocked position.
9. by the described electric hand tool of claim 7, it is characterized in that: ground structure a plurality of horizontal dead slots (39) distribute on the circumference of operating sleeve (17).
10. by claim 2 or 3 described electric hand tools, it is characterized in that: this radial projection (37) constitutes pin (36).
11. by the described electric hand tool of claim 10, it is characterized in that: this pin (36) is inserted into one and receives in the recess (35).
12. by the described electric hand tool of claim 10, it is characterized in that: this pin (36) constitutes integratedly with the housing (34) or the executive component (16) of electric hand tool (1).
13. by the described electric hand tool of claim 8, it is characterized in that: this radial projection (37) can be presented to by the rotation of this executive component (16) in this horizontal dead slot (39) in unlocked position.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE200610059349 DE102006059349A1 (en) | 2006-12-15 | 2006-12-15 | Electric hand tool machine with a tool locking system |
| DE102006059349.9 | 2006-12-15 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101204739A CN101204739A (en) | 2008-06-25 |
| CN101204739B true CN101204739B (en) | 2011-09-07 |
Family
ID=39016475
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200710300978XA Expired - Fee Related CN101204739B (en) | 2006-12-15 | 2007-12-14 | Electric hand tool machine having a tool locking system |
Country Status (3)
| Country | Link |
|---|---|
| CN (1) | CN101204739B (en) |
| DE (1) | DE102006059349A1 (en) |
| GB (1) | GB2444849B (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102010040136A1 (en) | 2010-09-02 | 2012-03-08 | Robert Bosch Gmbh | Coupling device of electric hand tool e.g. percussion drill, has retainer that is formed of elastic material to position the retainer portions in recess formed in locking portion for fixing tool holder |
| CN103722534B (en) * | 2012-10-12 | 2016-04-13 | 江苏铁锚工具有限公司 | A kind of Electric hammer front cover fixture |
| DE102013213804A1 (en) * | 2012-11-22 | 2014-05-22 | Robert Bosch Gmbh | Tool attachment for a hand tool |
| EP3338958A1 (en) * | 2016-12-23 | 2018-06-27 | HILTI Aktiengesellschaft | Tool device |
| EP3900882A1 (en) * | 2020-04-21 | 2021-10-27 | Hilti Aktiengesellschaft | Contact element for machine tool |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB112787A (en) * | 1916-07-08 | 1918-01-31 | Eastville Engineering And Rock | Improvements in or relating to Pneumatic Percussive Tools. |
| GB323536A (en) * | 1928-10-04 | 1930-01-06 | Whitworth & Co | Improvements in pneumatic and like tools |
| GB2174934A (en) * | 1985-05-08 | 1986-11-19 | Bosch Gmbh Robert | Toolholder |
| EP0312951A2 (en) * | 1987-10-17 | 1989-04-26 | Ledermann GmbH | Clamping device |
| CN101372042A (en) * | 2007-08-20 | 2009-02-25 | 喜利得股份公司 | Removable tool chuck |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5026223A (en) * | 1990-12-20 | 1991-06-25 | Gte Valenite Corporation | Bayonet tool locking device |
| US6409732B1 (en) * | 1999-07-09 | 2002-06-25 | Othy, Inc. | Tool driver |
| DE102004025256A1 (en) * | 2004-05-17 | 2005-12-08 | Hainbuch Gmbh Spannende Technik | Werckstückspannsystem |
| DE202004009500U1 (en) * | 2004-06-17 | 2004-08-19 | Zettl-Minimatic Gmbh | Modular tool interface |
-
2006
- 2006-12-15 DE DE200610059349 patent/DE102006059349A1/en not_active Withdrawn
-
2007
- 2007-12-12 GB GB0724244A patent/GB2444849B/en not_active Expired - Fee Related
- 2007-12-14 CN CN200710300978XA patent/CN101204739B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB112787A (en) * | 1916-07-08 | 1918-01-31 | Eastville Engineering And Rock | Improvements in or relating to Pneumatic Percussive Tools. |
| GB323536A (en) * | 1928-10-04 | 1930-01-06 | Whitworth & Co | Improvements in pneumatic and like tools |
| GB2174934A (en) * | 1985-05-08 | 1986-11-19 | Bosch Gmbh Robert | Toolholder |
| EP0312951A2 (en) * | 1987-10-17 | 1989-04-26 | Ledermann GmbH | Clamping device |
| CN101372042A (en) * | 2007-08-20 | 2009-02-25 | 喜利得股份公司 | Removable tool chuck |
Also Published As
| Publication number | Publication date |
|---|---|
| DE102006059349A1 (en) | 2008-06-19 |
| GB0724244D0 (en) | 2008-01-23 |
| GB2444849A (en) | 2008-06-18 |
| CN101204739A (en) | 2008-06-25 |
| GB2444849B (en) | 2009-02-11 |
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| PB01 | Publication | ||
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| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
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Granted publication date: 20110907 Termination date: 20121214 |