CN102233563B - Quick clamping device for electric hammer - Google Patents

Quick clamping device for electric hammer Download PDF

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Publication number
CN102233563B
CN102233563B CN201010166104.1A CN201010166104A CN102233563B CN 102233563 B CN102233563 B CN 102233563B CN 201010166104 A CN201010166104 A CN 201010166104A CN 102233563 B CN102233563 B CN 102233563B
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CN
China
Prior art keywords
clamping
magnetic
utmost point
outer tube
clamping device
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
Application number
CN201010166104.1A
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Chinese (zh)
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CN102233563A (en
Inventor
倪桂功
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nanjing Chervon Industry Co Ltd
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Nanjing Chervon Industry Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Nanjing Chervon Industry Co Ltd filed Critical Nanjing Chervon Industry Co Ltd
Priority to CN201010166104.1A priority Critical patent/CN102233563B/en
Priority to DE202011000093U priority patent/DE202011000093U1/en
Priority to CA2728290A priority patent/CA2728290A1/en
Priority to FR1150309A priority patent/FR2955283B3/en
Priority to GB1100594A priority patent/GB2477028A/en
Priority to US13/006,553 priority patent/US8678262B2/en
Publication of CN102233563A publication Critical patent/CN102233563A/en
Application granted granted Critical
Publication of CN102233563B publication Critical patent/CN102233563B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The invention provides a quick clamping device for an electric hammer. The device is arranged on the striking head part of the electric hammer, comprises at least two clamping pieces which are used for clamping fastening pieces such as a nail and the like and is provided with magnetic devices, wherein a striking shaft which does reciprocating motion is arranged in the striking head part and acts on the fastening pieces such as the nail and the like; the magnetic devices can be magnetic parts arranged on the clamping pieces and also can be magnetic elements; and the clamping pieces are provided with clamping positions for clamping the nail through the mutual attraction of the magnetic parts, and are provided with loosening positions for releasing the nail through the mutual repulsion of the magnetic parts. In the device, the magnetic parts or elements are arranged on the clamping pieces, and the relative position between the magnetic parts or elements is varied, so that the fastening pieces such as the nail and the like can be clamped and released, and the device has a compact structure and a good clamping effect; and the characteristics of magnetic poles are fully utilized, so that the device has a novel design and high automation of degree.

Description

Quick clamping device for electric hammer
Technical field
The present invention relates to field of power tools, specifically relating to one provides power by beating unit, makes nail or other tightening members enter the electric hammer of base material.
Background technology
Electric hammer is the electric tool of by the reciprocating motion of beating unit, the securing members such as nail being squeezed into gradually to base material, nail is impacted in process at quilt, need clamping device clamping, existing clamping device is made up of claw, spring or the chuck etc. of clamping element one or the combination of any one conventionally, for making the securing members such as nail throw base material completely into, clamping device can move by a bias unit between clamping nail and the position of release nail; But existing clamping device still exist clamp not strongly by or mechanism can not clamp the defects such as nail, the scope of application of different-diameter is little.
Summary of the invention
The deficiency existing for above-mentioned prior art, the invention provides a kind of good clamping effect, the nail that can clamp different-diameter, Quick clamping device for electric hammer that the scope of application is large.
For realizing above object, the present invention by the following technical solutions:
A kind of Quick clamping device for electric hammer, it is arranged on and includes the head that impacts that impacts axle, comprise at least two clamping elements, clamping element has clamped position and released position, also comprise magnetic devices, described magnetic devices on described clamped position, heteropole Magnetic Phase pair, on described released position, homopolarity Magnetic Phase pair.
The further structure of the present invention is that described magnetic devices comprises the magnetic part being separately positioned on each clamping element.
Described magnetic part is made up of at least one N utmost point magnet unit and at least one S utmost point magnet unit, and described at least one N utmost point magnet unit and described at least one S utmost point magnet unit are arranged side by side, and every two adjacent magnet unit polarity are contrary.
At described clamped position place, the N utmost point, S utmost point magnet unit that is arranged on the magnetic element at least one clamping element is wherein corresponding one by one with the S utmost point, the N utmost point that are arranged on the magnetic element on another clamping element at least respectively, at described released position place, the N utmost point, S utmost point magnet unit that is arranged on the magnetic element at least one clamping element is wherein corresponding one by one with the N utmost point, the S utmost point that are arranged on the magnetic element on another clamping element at least respectively.
Also comprise an outer tube, described outer tube is connected in the described head that impacts movably.
Suit one inner sleeve in described outer tube, described at least two clamping elements can move radially and be arranged on described inner sleeve, wherein, at least one clamping element is fixed at the axial direction of inner sleeve, and at least another clamping element has primary importance and the second place and can be removable between described primary importance and the second place on the axial direction of inner sleeve.
Described outer tube and the described at least clamping element that another can move between primary importance and the second place connect.
The front end face of described outer tube protrudes from the front end face of inner sleeve, and its outstanding distance is not less than the distance between described primary importance and the second place.
On described clamping element, effect has the elastic device that it is pressed to inner sleeve center deviation.
Described impact in head, arrange one act on described outer tube and by outer tube to the flexible member that impacts bias voltage outside head.
Another further structure of the present invention is that described magnetic devices comprises the magnetic element being separately positioned on each clamping element.
In at least one in described at least two clamping elements, be connected with gear structure, described wheel and rack is connected with a joggle.
Described at least two clamping elements can move radially and be arranged on an inner sleeve, and described inner sleeve is set with an outer tube outward, and described outer tube is connected with described tooth bar.
The front end face of described outer tube protrudes from the front end face of inner sleeve, its outstanding distance moving on sleeve pipe axial direction apart from the tooth bar that is enough to provide described.
On described clamping element, effect has the biasing device that it is pressed to inner sleeve center deviation.
Described magnetic element and clamping element can be also one.
By adopting above technical scheme, can realize following useful technique effect:
The present invention, by magnetic devices is set on Fast clamping device, combines the clamping of pressing from both sides soon with the reversal characteristic of unclamping action and magnetic devices, make full use of the characteristic of magnetic pole, modern design, and automaticity is high.
In addition, Fast clamping device of the present invention combines the action of relative magnetic pole upset between relative position conversion between nailing process and magnetic part or magnetic element, when the clamping of realization to securing members such as nails and release, and compact conformation good clamping effect.
Accompanying drawing explanation
Fig. 1 is the exploded perspective view of a kind of embodiment of Quick clamping device for electric hammer of the present invention;
Fig. 2 is the cutaway view of Quick clamping device for electric hammer of the present invention, and wherein, two clamping elements are in clamping the clamped position of nail;
Fig. 3 is the cutaway view of Quick clamping device for electric hammer of the present invention, and wherein, two clamping elements are in discharging the released position of nail;
Fig. 4 is the cutaway view of Quick clamping device for electric hammer of the present invention, wherein, impacts axle, through two clamping elements, nail is squeezed into the location of workpiece completely;
Fig. 5 is structure chart and the mutual alignment graph of a relation that is separately positioned on the magnetic element on clamping element, wherein scheme a for when two clamping elements are during in clamped position, opposed polarity unit adhesive schematic diagram on magnetic element, figure b repels while coming when the identical polar unit on magnetic element is corresponding, and two clamping elements are in released position schematic diagram.
Fig. 6 is the cutaway view of another embodiment of the present invention, and wherein, clamping element is in clamping the position of nail;
Fig. 7 is the cutaway view of another embodiment of the present invention, and wherein, clamping element is in unclamping the position of nail;
Fig. 8 schematic diagram when the primary importance that is gear on clamping element by rack drives;
Fig. 9 schematic diagram when the second place that is gear on clamping element by rack drives;
Figure 10 is the magnetic element magnetic pole corresponding relation schematic diagram of clamped position to released position.
The specific embodiment
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is described in more detail.
As shown in Figure 1 to Figure 3, what Quick clamping device for electric hammer 10 of the present invention was arranged on electric hammer impacts head 20, this Fast clamping device comprises that two for clamping and discharge the clamping element 2 of the securing members such as nail 1, 2 ', impacting head 20 includes to move back and forth and impacts axle 21, impacting axle 21 acts on nail 1 securing member such as grade, two clamping elements 2, 2 ' be above respectively equipped with magnetic part 3, two clamping elements 2, 2 ' there is by attracting each other of magnetic part 3 clamped position (position shown in Fig. 2) of nail of clamping, and there is by the mutual repulsion of magnetic part 3 released position (position shown in Fig. 3) of nail of release.
As shown in Figure 5, magnetic part 3 is made up of one or several N utmost point magnet unit and one or several S utmost point magnet unit, N utmost point magnet unit and S utmost point magnet unit space arrange, at two clamping elements 2, 2 ' clamped position place, be arranged on one of them clamping element 2 ' on the N utmost point of magnetic part 3, S utmost point magnet unit respectively with the S utmost point that is arranged on the magnetic part 3 on another clamping element 2, the N utmost point is corresponding one by one, at two clamping elements 2, 2 ' released position place, be arranged on one of them clamping element 2 ' on the N utmost point of magnetic part 3, S utmost point magnet unit respectively with the N utmost point that is arranged on the magnetic part 3 on another clamping element 2, the S utmost point is corresponding one by one.
Known in conjunction with Fig. 2 to Fig. 4, two clamping elements 2, 2 ' there is relative displacement along impacting on axle 21 vibration-directions, thereby make the N utmost point, the magnetic part 3 of S utmost point space can attract each other and drive clamping element 2, 2 ' clamping nail, or mutually repel and drive clamping element 2, 2 ' unclamp nail, the present invention makes the clamping element of another axial restraint of one of them clamping element 2 ' relatively 2 produce and relatively move along impacting on axle 21 vibration-directions, also be provided with an outer tube 7, this outer tube 7 is connected in movably and impacts head 20, first slotted hole 5 parallel with impacting axle 21 vibration-directions is set on this outer tube 7, this one of them clamping element 2 ' above arrange one to pass the travelling arm 15 that this first slotted hole 5 also can slide along this first slotted hole 5.In outer tube 7, be set with an inner sleeve 8, second slotted hole 6 parallel with impacting axle 21 vibration-directions is set on this inner sleeve 8, this one of them clamping element 2 ' upper travelling arm arranging 15 also can be in the interior slip of this second slotted hole 6 through this second slotted hole 6, the front end face 71 that the length of the first slotted hole 5 is substantially equal to outer tube and surface of the work touch outer tube 7 and will drive together with inner sleeve 8 to the degree of depth that impacts nail in clamping nail stage of head 20 interior indentations and thrown into workpiece, the second slotted hole 6 mainly provide this one of them clamping element 2 ' along inner sleeve 8 axially on primary importance to the distance between the second place, this distance is essentially two clamping elements 2, 2 ' magnetic part 3 opposite poles correspond to like pole to seasonable in the relative displacement impacting on axle 21 vibration-directions, as known in aforementioned location relation, the front end face 71 of outer tube protrudes from the front end face 81 of inner sleeve, its outstanding distance equals or is preferably greater than the distance between primary importance and the second place, in present embodiment, the outer sleeve pipe support component 9 that is also socketed of outer tube 7, outer tube 7 can be interior flexible at collar supports parts 9, collar supports parts 9 are fixed on the casing that electric hammer impacts head 20 by securing members such as screws, in addition, between outer tube 7 and inner sleeve 8, there is a biasing flexible member 11, for outer tube 7 is automatically reset.
Known in conjunction with Fig. 2 to Fig. 4, two clamping elements 2,2 ' from clamped position to released position are except having along impacting the relative displacement on axle 21 vibration-directions, also have along vertically impacting the displacement on axle 21 vibration-directions, for realizing this object, the present invention is by two clamping elements 2,2 ' be installed on movably respectively on inner sleeve 8 in symmetrically arranged radial hole 16, and supported by the first biased element 4 providing with shell fragment form and the second biased element 13 of providing with form of springs respectively.Firm for clamping nail, the surface of two clamping element clamping nails is equipped with V-type groove 17, squeeze into workpiece completely in order to make the securing members such as nail, impact axle 21 need from two clamping elements 2,2 ' between pass through, the resistance passing through for reducing this, is provided with guiding surface 18 in clamping element 2,2 ' close side that impacts axle 21.Be provided with in addition cap 14 for clamping element 2,2 ' biased element etc. are packaged in to inner sleeve 8.
Clamping element in present embodiment is not limited to two, more firm for clamping, number that can corresponding increase clamping element.
The Quick clamping device for electric hammer operation principle of present embodiment is as follows:
When clamping nail, overcome biasing flexible member 11 and promote outer tube 7, when the left side of the first slotted hole 5 on outer tube 7 prop up one of them clamping element 2 ' on travelling arm 15, again promote outer tube 7, make two clamping elements 2,2 ' reach released position, now be separately positioned on two clamping elements 2,2 ' on the magnet unit of identical polar of magnetic element 3 corresponding, under the effect of two like magnetic poles repel each other, the effect of two clamping elements 2,2 ' overcome respectively fexible bias pressure element 4,13 separately moves to ultimate range in opposite directions.Now can put into nail 1, remove the imposed load to outer tube 7, biasing element 11 start reset, outer tube 7 is prepared to reset under the effect of biasing element 11, the right side of the first slotted hole 5 on outer tube 7 prop up one of them clamping element 2 ' on travelling arm 15, make two clamping elements 2,2 ' on the magnet unit of dissimilar polarities of magnetic element 3 corresponding, under the effect that there is a natural attraction between the sexes, two clamping element 2,2 ' mutual suctions together, thus clamp nail.
When work, outer tube 7 front ends are encountered workpiece, to the interior indentation of support component 9, until make two clamping elements 2,2 ' in released position, and now two clamping elements 2,2 ' be separated to ultimate range, nail 1 and impact axle 21 and can pass through inner sleeve 8.After hours, because workpiece removes the imposed load of outer tube 7, Fast clamping device 10 returns to original state.
Fig. 6 to Figure 10 is another embodiment of the invention figure, the same with the first embodiment, this clamping device also comprises an outer tube 7, outer tube 7 is movably connected in and impacts head 20, the a set of pipe support component 9 of the outer socket of outer tube 7, interior socket one inner sleeve 8 of outer tube 7, on inner sleeve 8, be provided with clamping element 2,2 for clamping and discharge the securing members such as nail 1 '.
Different from the first embodiment is, this clamping element 2, 2 ' be above respectively arranged with magnetic element 31, 31 ', one of them magnetic element 31 remains constant towards that one end pole polarity at inner sleeve 8 centers, and another magnetic element 31 ' be above connected with gear structure, this gear and a tooth bar 32 are connected with a joggle, two overhanging arms 35 are set on tooth bar 32, this overhanging arm 35 is connected on outer tube 7, thereby, can move between the primary importance on the axial direction along inner sleeve 8 and the second place relative to the moving belt carry-over bar 32 of inner sleeve 8 by outer tube 7, and then gear rotation make one of them magnetic element 31 ' pole polarity upset, by two clamping elements 2 at clamped position place, 2 ' on magnetic element 31, 31 ' heteropole Magnetic Phase is to being turned to two clamping elements 2 at released position place, 2 ' on magnetic element 31, 31 ' like pole relative.
The front end face 71 of outer tube protrudes from the front end face 81 of inner sleeve 8, in nailing process, first the surface of workpiece touches the front end face 71 of outer tube 7, and comparison diagram 6, Fig. 7 are known, and this outstanding distance should meet tooth bar 32 mobile distance between primary importance and the second place.
Clamping element 2, 2 ' inner sleeve 8 moves radially and is arranged on inner sleeve 8 relatively, clamping element 2, 2 ' be above provided with and make the clamping element can be to the biasing device of inner sleeve 8 center bias voltages, in the present embodiment, act on one of them step up part 2 ' on biasing device be another magnetic element 33, the pole orientation of this another magnetic element 33 remains constant, thereby, described one of them clamping element 2 ' on the switching process of magnetic element 31 ' magnetic pole magnetic in, this another magnetic element 33 can adhesive or push open described magnetic element 31 ', the biasing device acting on another clamping element 2 is a spring 14.
In other embodiments, magnetic element and clamping element can be also one, for realizing this object that is clamped and unclamped by polarity upset, being also not limited to, magnetic element being set on clamping element in addition, can be also the Magnetic Induction conductive coil that can realize identical object etc.

Claims (2)

1. a Quick clamping device for electric hammer, it is arranged on and includes the head that impacts that impacts axle, comprise at least two clamping elements, clamping element has clamped position and released position, it is characterized in that: also comprise magnetic devices, described magnetic devices is on described clamped position, heteropole Magnetic Phase pair, on described released position, homopolarity Magnetic Phase pair, described magnetic devices comprises the magnetic element being separately positioned on each clamping element, described magnetic element is made up of at least one N utmost point magnet unit and at least one S utmost point magnet unit, described at least one N utmost point magnet unit and described at least one S utmost point magnet unit are arranged side by side, and, every two adjacent magnet unit polarity are contrary.
2. Quick clamping device for electric hammer according to claim 1, it is characterized in that: at described clamped position place, the N utmost point, S utmost point magnet unit that is arranged on the magnetic element at least one clamping element is wherein corresponding one by one with the S utmost point, the N utmost point that are arranged on the magnetic element on another clamping element at least respectively, at described released position place, the N utmost point, S utmost point magnet unit that is arranged on the magnetic element at least one clamping element is wherein corresponding one by one with the N utmost point, the S utmost point that are arranged on the magnetic element on another clamping element at least respectively.
3. Quick clamping device for electric hammer according to claim 2, is characterized in that: also comprise an outer tube, described outer tube is connected in the described head that impacts movably.
4. Quick clamping device for electric hammer according to claim 3, it is characterized in that: suit one inner sleeve in described outer tube, described at least two clamping elements can move radially and be arranged on described inner sleeve, wherein, at least one clamping element is fixed at the axial direction of inner sleeve, and at least another clamping element has primary importance and the second place and can be removable between described primary importance and the second place on the axial direction of inner sleeve.
5. Quick clamping device for electric hammer according to claim 4, is characterized in that: described outer tube and the described at least clamping element that another can move between primary importance and the second place connect.
6. Quick clamping device for electric hammer according to claim 4, is characterized in that: the front end face of described outer tube protrudes from the front end face of inner sleeve, and its outstanding distance is not less than the distance between described primary importance and the second place.
7. Quick clamping device for electric hammer according to claim 4, is characterized in that: on described clamping element, effect has the elastic device that it is pressed to inner sleeve center deviation.
8. according to the Quick clamping device for electric hammer described in claim 3 to 7 any one, it is characterized in that: described in impact in head, arrange one act on described outer tube and by outer tube to the flexible member that impacts bias voltage outside head.
9. Quick clamping device for electric hammer according to claim 1, is characterized in that: described magnetic devices comprises the magnetic element being separately positioned on each clamping element.
10. Quick clamping device for electric hammer according to claim 9, is characterized in that: at least one in described at least two clamping elements, be connected with gear structure, described wheel and rack is connected with a joggle.
11. Quick clamping device for electric hammers according to claim 10, is characterized in that: described at least two clamping elements can move radially and be arranged on an inner sleeve, and described inner sleeve is set with an outer tube outward, and described outer tube is connected with described tooth bar.
12. Quick clamping device for electric hammers according to claim 11, is characterized in that: the front end face of described outer tube protrudes from the front end face of inner sleeve, and the distance that provides described tooth bar to move on sleeve pipe axial direction is provided its outstanding distance.
13. Quick clamping device for electric hammers according to claim 11, is characterized in that: on described clamping element, effect has the biasing device that it is pressed to inner sleeve center deviation.
14. Quick clamping device for electric hammers according to claim 9, is characterized in that: described magnetic element and clamping element can be also one.
CN201010166104.1A 2010-01-15 2010-04-30 Quick clamping device for electric hammer Expired - Fee Related CN102233563B (en)

Priority Applications (6)

Application Number Priority Date Filing Date Title
CN201010166104.1A CN102233563B (en) 2010-04-30 2010-04-30 Quick clamping device for electric hammer
DE202011000093U DE202011000093U1 (en) 2010-01-15 2011-01-14 Quick release mechanism for electric hammer
CA2728290A CA2728290A1 (en) 2010-01-15 2011-01-14 Quick-clamping mechanism for electric hammer
FR1150309A FR2955283B3 (en) 2010-01-15 2011-01-14 QUICK CLAMPING MECHANISM FOR ELECTRIC HAMMER
GB1100594A GB2477028A (en) 2010-01-15 2011-01-14 Quick-clamping mechanism for electric hammer
US13/006,553 US8678262B2 (en) 2010-01-15 2011-01-14 Quick-clamping mechanism for electric hammer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201010166104.1A CN102233563B (en) 2010-04-30 2010-04-30 Quick clamping device for electric hammer

Publications (2)

Publication Number Publication Date
CN102233563A CN102233563A (en) 2011-11-09
CN102233563B true CN102233563B (en) 2014-06-11

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CN201010166104.1A Expired - Fee Related CN102233563B (en) 2010-01-15 2010-04-30 Quick clamping device for electric hammer

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Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104308812B (en) * 2014-10-14 2016-02-03 张家港市创基机械设备制造有限公司 For the impact head of electric hammer

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3331866A1 (en) * 1983-09-03 1985-03-21 Metabowerke GmbH & Co, 7440 Nürtingen DRILLING HAMMER
US6598775B1 (en) * 2002-08-30 2003-07-29 Tung-Hsien Chen Hammer head assembly for power hammer
CN2588351Y (en) * 2002-09-28 2003-11-26 义乌市易开盖实业公司 Magnetic clamp
DE202004017883U1 (en) * 2004-11-18 2006-03-23 Weha - Ludwig Werwein Gmbh Pneumatically operated hammer in particular for stone mason, comprising tool clamping area with magnetic elements
CN201389856Y (en) * 2008-11-14 2010-01-27 王廷廷 Clamping mechanism of automatic equipment

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3301243B2 (en) * 1994-11-25 2002-07-15 日立工機株式会社 Tool holding device for driving machine
JPH09300240A (en) * 1996-05-10 1997-11-25 Hitachi Koki Co Ltd Stopper holding device for driving machine
JPH11333755A (en) * 1998-05-21 1999-12-07 Makita Corp Nail holding device of nail driving machine
AU2005263992A1 (en) * 2004-07-23 2006-01-26 Gavin Beales Nailer device

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3331866A1 (en) * 1983-09-03 1985-03-21 Metabowerke GmbH & Co, 7440 Nürtingen DRILLING HAMMER
US6598775B1 (en) * 2002-08-30 2003-07-29 Tung-Hsien Chen Hammer head assembly for power hammer
CN2588351Y (en) * 2002-09-28 2003-11-26 义乌市易开盖实业公司 Magnetic clamp
DE202004017883U1 (en) * 2004-11-18 2006-03-23 Weha - Ludwig Werwein Gmbh Pneumatically operated hammer in particular for stone mason, comprising tool clamping area with magnetic elements
CN201389856Y (en) * 2008-11-14 2010-01-27 王廷廷 Clamping mechanism of automatic equipment

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