CN103040258A - Seat angle adjusting device and seat - Google Patents
Seat angle adjusting device and seat Download PDFInfo
- Publication number
- CN103040258A CN103040258A CN2012105460854A CN201210546085A CN103040258A CN 103040258 A CN103040258 A CN 103040258A CN 2012105460854 A CN2012105460854 A CN 2012105460854A CN 201210546085 A CN201210546085 A CN 201210546085A CN 103040258 A CN103040258 A CN 103040258A
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- slide block
- chute
- voussoir
- gap
- angle
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Abstract
The invention discloses a seat angle adjusting device which comprises a slide block, a chute plate and an unlocking cam, wherein the slide block is arranged inside a chute of the chute plate, and a gap removal device controlled by the unlocking cam is arranged inside a clearance between the slide block and the chute. The adjusting device can effectively eliminate a transverse fitting clearance between the slide block and the chute, also can eliminate noises produced by the clearance, and can improve the stability and the comfort of a seat, and is suitable for seats with requirements for single or double seat angle adjusting devices. The invention further provides a seat provided with the seat angle adjusting device.
Description
Technical field
The present invention relates to the angle regulator of seat adjustment technical field, particularly seat.The invention still further relates to the seat that is provided with described adjusting device.
Background technology
In the prior art, device for regulating chair angle mainly is divided into two kinds: a kind of is the handle type adjusting device of ratchet and pawl arrangement principle, and another kind is the gear type adjusting device of Planetary Gear Transmission principle.
For the regulator for chair back angle of click principle, must be provided with the motion fit clearance between slide block (or ratchet) and the chute, the smooth and easy slip of guarantee slide block, take angular adjusting device for automobile seat backrest as example, the rolling momentum increased before and after the existence in gap can cause backrest, can produce obvious angle and change, and seat comfort reduces, in the Vehicle Driving Cycle process even can produce noise, cause client or end user's experience sense relatively poor.
Please refer to Fig. 1, Fig. 1 is the structural representation of a kind of click regulator for chair back angle in the prior art.
As shown in the figure, Granted publication number discloses a kind of device for regulating chair angle for the utility model patent specification of CN 201026016Y, in release and locking process, its slide block 1 ＇ must translation in the chute of coulisse 2 ＇, to realize engagement and the disengagement of slide block tooth and hook tooth, reach the purpose of angular adjustment, slide block 1 ＇ and chute all arrange certain gap in a lateral direction.When the device for regulating chair angle locking, this gap still exists, and will be exaggerated when this gap is reacted to the backrest top, can produce obvious angle and change or noise, and fit clearance is larger, the backrest of generation rock or noise larger.
Be the fit clearance of control slide block and chute, present major control method is to improve the part accuracy of manufacture, to reduce fit clearance, rocks thereby reduce backrest, and doing like this to increase manufacturing cost, and can not eliminate the gap fully.In addition, usually adopt welding manner to connect between the core component of such angle regulator and the gusset piece, solder joint generally designs at the chute back side, behind assemble welding, because the impact of welding deformation, causes slide block to slide and have some setbacks, or slide block is by the chute folder phenomenon of waiting indefinitely, finally cause adjusting device slip teeth, release resistance large, can't release and can't locking etc. the serious consequence of afunction.
Please refer to Fig. 2, Fig. 2 is the structural representation of another kind of click regulator for chair back angle in the prior art.
As shown in the figure, publication number is that the application for a patent for invention Publication Specification of CN 1989022A discloses a kind of automobile seat accessories, it is divided into slide block at least two sections mechanism along at least one cut-off rule, can under the prerequisite that does not increase the part accuracy of manufacture, reduce the gap of device for regulating chair angle.
The operation principle of this mechanism is: the locking cam is under the effect that adds driving torque, two slide block 19 ＇, slide block 20 ＇ that promotion is cut apart from locking face 23 ＇, make simultaneously radially outwards motion of slide block 19 ＇, slide block 20 ＇, until ratchet 21 ＇ and the ratchet ratchet of slide block 19 ＇ mesh fully.At this moment, the locking cam is rotated further, because the existence in slide block 19 ＇ and chute horizontal direction gap, slide block 20 ＇ still can continue to move along divisional plane 18 ＇, utilize in a lateral direction less relative motion, reduces or eliminates gap between slide block and the chute fully
There is following problem in said mechanism:
One, reduce the rotational angle that the gap depends on the locking cam, therefore the position of the locking cam locking of the device for regulating chair angle of different fit clearance is different, the release angle of device for regulating chair angle is just different, angular deviation is excessive, will cause device for regulating chair angle to be only applicable to the seat of single installation requirement.
Its two, for reducing angular deviation, the size accuracy of manufacture of slide block and chute width is required and will increase, can increase manufacturing cost equally.
Its three, the engagement of ratchet is uncertain with the sequencing of eliminating the gap, if before ratchet engagement, just eliminated lateral clearance fully, will cause can't locking serious consequence.
Summary of the invention
The first purpose of the present invention provides a kind of device for regulating chair angle.This adjusting device can effectively be eliminated the horizontal fit clearance of slide block and chute, and eliminates the noise that is produced by the gap, improves seat stability and comfortableness, is applicable to the seat of only single or two device for regulating chair angle installation requirements.
The second purpose of the present invention provides a kind of seat that is provided with described device for regulating chair angle.
For realizing above-mentioned the first purpose, the invention provides a kind of device for regulating chair angle, comprise slide block, coulisse and release cam, described slide block is located in the chute of described coulisse, is provided with the elimination clearance mechanism by described release cam control in the gap of described slide block and its chute.
Preferably, described elimination clearance mechanism comprises voussoir and flexible member;
Described voussoir is arranged in the wedge gap of slide block and its chute, and is provided with boss;
One end of described flexible member is installed on described coulisse or the slide block, and the other end is installed on described voussoir, and its elastic force makes described voussoir have the radially trend of motion;
Described release cam is provided with curved surface, and by described curved surface and boss cooperate and the effect of flexible member is controlled described voussoir and is moved in wedge gap.
Preferably, in releasing process, described curved surface drives described voussoir prior to described slide block movement by boss, makes described voussoir and slide block and chute produce in the horizontal the gap;
In the locking process, described voussoir is eliminated described voussoir and slide block and chute gap in the horizontal continue motion under the effect of flexible member after described slide block stop motion.
Preferably, described curved surface is positioned at the outer rim place of described release cam cut-out circular arc, and its height raises gradually first take described outer rim as benchmark and reduces gradually, and meets to the gradient of described boss greater than the gradient of described boss dorsad.
Preferably, further comprise the locking cam, the inner edge of each described slide block is provided with the first locking face and the second locking face of projection, and described locking cam is provided with the first corresponding working face and the second working face.
Preferably, comprise two and two the above slide blocks, be provided with described elimination clearance mechanism in the gap of at least one described slide block and its chute.
Preferably, an end of described flexible member embeds in the tangential opening on the described chute wall, and the other end embeds in the groove relative with described opening on the described slide block.
Preferably, the angle angle of described voussoir two sides of matching with slide block and coulisse is less than 15.
For realizing above-mentioned the second purpose, the invention provides a kind of seat, comprise seat support and the chair back, the junction of described seat support and the chair back is provided with angle regulator, it is characterized in that, and described angle regulator is above-mentioned each described device for regulating chair angle.
Preferably, be specially automotive seat.
The present invention is directed between the slide block of device for regulating chair angle and the chute and be reserved with the gap, after the locking process is finished, the existence in this gap is to stability and the harmful problem of comfortableness, elimination clearance mechanism by the control of release cam is set in the gap of slide block and its chute, behind the device for regulating chair angle locking, by eliminating clearance mechanism the horizontal fit clearance of slide block and chute is eliminated, thereby improved seat stability and comfortableness, and eliminate the noise that is produced by the gap.
In a kind of preferred version, described elimination clearance mechanism comprises voussoir and flexible member, described release cam is provided with curved surface, when release, driving described voussoir by described curved surface and cooperating of boss outwards moves, make and produce horizontal fit clearance between slide block and the chute, be beneficial to being free to slide of slide block, behind the device for regulating chair angle locking, distortion by described flexible member drives voussoir, eliminates the horizontal fit clearance between slide block and the chute, effectively reduces the gap, front and back of backrest, and on the not impact of release angle of device for regulating chair angle, be applicable to the seat of only single or two device for regulating chair angle installation requirements.
In further preferred scheme, described release cam cooperates and the effect of flexible member by curved surface and boss, in release, the control voussoir moves in wedge gap in the locking process opportunity and position, utilize release, the time difference of each execution unit motion in the locking process, realize release, eliminate the sequencing of gap action in the locking process, be that voussoir moves to the direction that produces the gap first in the releasing process, begin to move to unlocking direction with rear slider, in the locking process, slide block meshes fully with ratchet first, begin to eliminating the gap direction motion with back wedge, until the gap eliminates fully, thereby guarantee release, locking can carry out smoothly.
Seat provided by the invention is provided with described device for regulating chair angle, because described device for regulating chair angle has above-mentioned technique effect, the seat that is provided with this device for regulating chair angle also should possess corresponding technique effect.
Description of drawings
Fig. 1 is the structural representation of a kind of click regulator for chair back angle in the prior art;
Fig. 2 is the structural representation of another kind of click regulator for chair back angle in the prior art;
Fig. 3 is the structural representation of a kind of specific embodiment of device for regulating chair angle provided by the present invention;
Fig. 4 is the structural representation after device for regulating chair angle shown in Figure 3 is hidden the release cam;
Fig. 5 is the structural representation that device for regulating chair angle shown in Figure 3 is further set up the locking cam.
Among Fig. 1, Fig. 2:
Slide block 1 ＇ coulisse 2 ＇ divisional planes 18 ＇ slide blocks 19 ＇ slide blocks 20 ＇ ratchets 21 ＇ are from locking face 23 ＇
Among Fig. 3 to Fig. 5:
1. coulisse 2. ratchet 2-1. ratchet ratchets 3. slide block 3-1. boss 3-2. slide block ratchets 4. wedge 4-1. boss 5. release cam 5-1. curved surface 5-2. cam path 5-3. cam paths 6. voussoir 6-1. the first side 6-2. the second side 6-3. boss 7. flexible members 8. hollow shafts 9. mating surfaces 10. back-moving springs 11. locking cam 11-1. the first working face 11-2. the second working face
The specific embodiment
In order to make those skilled in the art person understand better the present invention program, the present invention is described in further detail below in conjunction with the drawings and specific embodiments.
Please refer to Fig. 3, Fig. 4, Fig. 3 is the structural representation of a kind of specific embodiment of device for regulating chair angle provided by the present invention; Fig. 4 is the structural representation after device for regulating chair angle shown in Figure 3 is hidden the release cam.
As shown in the figure, in a kind of specific embodiment, device for regulating chair angle provided by the invention is the ratchet wheel pawl type structure, mainly be comprised of parts such as coulisse 1, ratchet 2, slide block 3, wedge 4, release cams 5, coulisse 1 is disc substantially, and ratchet 2 is sleeved in the inner ring of coulisse 1, the quantity of slide block 3 is two, in the upper and lower vertical chute that is symmetrically arranged in coulisse 1, the quantity of wedge 4 also is two, in the left and right horizontal concrete chute that is symmetrically arranged in coulisse 1.
Be reserved with the gap between slide block 3 and the chute, after the locking process is finished, the existence in this gap is harmful to stability and comfortableness, for addressing this problem, the present invention further strengthens slide block 3 and the gap of chute, and the elimination clearance mechanism of being controlled by release cam 5 is set therein, to reach the purpose of eliminating the gap.
The critical piece of eliminating clearance mechanism is voussoir 6 and flexible member 7, voussoir 6 is arranged in the gap of slide block 3 and its chute, this gap is wedge shape, consisted of by the straight flange of slide block 3 and the hypotenuse of chute, voussoir 6 can slide between slide block 3 and chute, there are the angle of certain angle in the first side 6-1 that voussoir 6 matches with slide block 3 and chute and the second side 6-2, angle inwardly and angle less than 15 °, voussoir 6 is provided with boss 6-3.
Flexible member 7(is shell fragment for example) an end embed in the tangential opening on the chute wall, the other end embeds in the groove relative with opening on the slide block 3, voussoir 6 can radially motion in the gap under the effect of flexible member 7.
The sequencing of above-mentioned slide block and wedge block movement refers to: in releasing process, curved surface 5-1 drives voussoir 6 by boss 6-3 and inwardly outwards moves before the motion at slide block 3, make voussoir 6 and slide block 3 and chute produce in the horizontal the gap, move to unlocking direction with rear slider 3 beginnings; In the locking process, voussoir 6 under the effect of flexible member 7 slide block 3 first with ratchet 2 mesh fully stop outwards motion after, voussoir 6 continues inwardly motion, until eliminate fully in voussoir 6 and slide block 3 and chute gap in the horizontal.
Its releasing process is as follows:
When external torque is delivered on the release cam 5 by hollow shaft 8; the boss 4-1 that cam path 5-2 on the release cam 5 drives two wedges 4 outwards moves; the boss 6-3 that curved surface 5-1 on release cam 5 outer rims promotes voussoir 6 outwards moves; voussoir 6 produces the gap in a lateral direction with slide block 3 and chute, guarantees that slide block 3 can slide in chute.Subsequently two cam path 5-3 on the release cam 5 with the boss 3-1 on the movable slider 3 to the center translation, until slide block ratchet 3-2 and ratchet ratchet 2-1 throw off fully, at this moment, ratchet 2 can freely rotate relative to the mating surface 9 of coulisse 1 around both, thereby realizes the adjusting of backrest angle.
Its locking process is as follows:
When backrest angle is adjusted to suitable position, remove external torque (release handle), under the driving of back-moving spring 10, the cam path 5-2 of release cam 5 drives wedge 4 to the center translation, voussoir 3 inwardly moves along the curved surface on the release cam 5 under the effect of flexible member 4, the contacting from locking face from locking face and slide block 3 of wedge 4, and promote slide block 3 along the outside translation of the chute of coulisse, until slide block ratchet 3-2 and ratchet ratchet 2-1 mesh fully.This moment, voussoir 3 was under the effect of flexible member 4, continue inwardly motion until in a lateral direction gap between voussoir 6 and slide block 3 and the chute is eliminated fully, slide block 3, voussoir 6 and chute are combined together closely, reach the purpose of eliminating the device for regulating chair angle axial clearance.
Please refer to Fig. 5, Fig. 5 is the structural representation that device for regulating chair angle shown in Figure 3 is further set up the locking cam.
When guaranteeing that voussoir is eliminated the gap, slide block ratchet 3-2 and ratchet ratchet 2-1 can mesh fully, can increase the locking cam on the basis of above-described embodiment, with the engagement force of raising slide block.
As shown in the figure, increase locking cam 11 in the mechanism center, the the first locking face and the second locking face that increase on the first working face 11-1 of locking cam 11 and the second working face 11-2 and slide block 3 inner edges cooperate, can effectively increase the outwards component of motion of slide block 3, reduce because the impact of the frictional force that voussoir 6 motions that flexible member 7 drives produce, the abundant engagement of more effective assurance slide block ratchet 3-2 and ratchet ratchet 2-1, the axial clearance of better eliminating device for regulating chair angle.
In the above-described embodiments, only provided the design of two slide blocks and two wedges, obviously be not limited to this a kind of form, can also be three slide blocks, three wedges, or more slide block, wedge, can the elimination clearance mechanism all be set each slide block, also only a slide block arranges the elimination clearance mechanism, perhaps the mode with the interval arranges the elimination clearance mechanism, all can realize the object of the invention.
Certainly, above-mentioned device for regulating chair angle only is a kind of preferred version, specifically is not limited to this, can make according to actual needs pointed adjustment on this basis, thereby obtains different embodiments.For example: the angle of wedge of the wedge gap between slide block and the chute toward the outer side, it is in contrast with the previous embodiment that voussoir produces and eliminate the direction of motion in gap, perhaps curved design become to be similar to the form of cam path, or voussoir is designed to other shapes etc.Because mode in the cards is more, just illustrate no longer one by one here.
Except above-mentioned device for regulating chair angle, the present invention also provides a kind of seat, be specially automotive seat, comprise seat support and the chair back, the junction of described seat support and the chair back is provided with angle regulator, described angle regulator is device for regulating chair angle mentioned above, and all the other structures please refer to prior art, and this paper repeats no more.
More than device for regulating chair angle provided by the present invention and seat are described in detail.Used specific case herein principle of the present invention and embodiment are set forth, the explanation of above embodiment just is used for helping to understand core concept of the present invention.Should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the principle of the invention, can also carry out some improvement and modification to the present invention, these improvement and modification also fall in the protection domain of claim of the present invention.
Claims (10)
1. a device for regulating chair angle comprises slide block, coulisse and release cam, and described slide block is located in the chute of described coulisse, it is characterized in that, is provided with the elimination clearance mechanism by described release cam control in the gap of described slide block and its chute.
2. device for regulating chair angle according to claim 1 is characterized in that, described elimination clearance mechanism comprises voussoir and flexible member;
Described voussoir is arranged in the wedge gap of slide block and its chute, and is provided with boss;
One end of described flexible member is installed on described coulisse or the slide block, and the other end is installed on described voussoir, and its elastic force makes described voussoir have the radially trend of motion;
Described release cam is provided with curved surface, and by described curved surface and boss cooperate and the effect of flexible member is controlled described voussoir and is moved in wedge gap.
3. device for regulating chair angle according to claim 2 is characterized in that,
In releasing process, described curved surface drives described voussoir prior to described slide block movement by boss, makes described voussoir and slide block and chute produce in the horizontal the gap;
In the locking process, described voussoir is eliminated described voussoir and slide block and chute gap in the horizontal continue motion under the effect of flexible member after described slide block stop motion.
4. device for regulating chair angle according to claim 3, it is characterized in that, described curved surface is positioned at the outer rim place of described release cam cut-out circular arc, its height raises gradually first take described outer rim as benchmark and reduces gradually, and meets to the gradient of described boss greater than the gradient of described boss dorsad.
5. device for regulating chair angle according to claim 4, it is characterized in that, further comprise the locking cam, the inner edge of each described slide block is provided with the first locking face and the second locking face of projection, and described locking cam is provided with the first corresponding working face and the second working face.
6. according to claim 1 to 5 each described device for regulating chair angles, it is characterized in that, comprise two and two the above slide blocks, be provided with described elimination clearance mechanism in the gap of at least one described slide block and its chute.
7. according to claim 2 to 5 each described device for regulating chair angles, it is characterized in that an end of described flexible member embeds in the tangential opening on the described chute wall, the other end embeds in the groove relative with described opening on the described slide block.
8. according to claim 2 to 5 each described device for regulating chair angles, it is characterized in that the angle angle of two sides that described voussoir matches with slide block and coulisse is less than 15 °.
9. a seat comprises seat support and the chair back, and the junction of described seat support and the chair back is provided with angle regulator, it is characterized in that, described angle regulator is the claims 1 to 8 each described device for regulating chair angles.
10. seat according to claim 9 is characterized in that, is specially automotive seat.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210546085.4A CN103040258B (en) | 2012-12-14 | 2012-12-14 | A kind of device for regulating chair angle and seat |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210546085.4A CN103040258B (en) | 2012-12-14 | 2012-12-14 | A kind of device for regulating chair angle and seat |
Publications (2)
| Publication Number | Publication Date |
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| CN103040258A true CN103040258A (en) | 2013-04-17 |
| CN103040258B CN103040258B (en) | 2015-08-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210546085.4A Active CN103040258B (en) | 2012-12-14 | 2012-12-14 | A kind of device for regulating chair angle and seat |
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| CN (1) | CN103040258B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105361499A (en) * | 2015-12-02 | 2016-03-02 | 湖北中航精机科技有限公司 | Seat and seat angle adjuster thereof |
| CN107415784A (en) * | 2017-05-11 | 2017-12-01 | 汕头市瑞祥模具有限公司 | A kind of automobile armrest position device for regulating rotary |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106515521B (en) * | 2016-12-06 | 2019-06-28 | 浙江天成自控股份有限公司 | Seat angle adjustor with auxiliary locking mechanism |
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| EP1172250A2 (en) * | 2000-06-29 | 2002-01-16 | Fujikiko Kabushiki Kaisha | Seat reclining device |
| FR2892356A1 (en) * | 2005-10-24 | 2007-04-27 | Faurecia Sieges Automobile | Articulation mechanism for seat of vehicle, has ring with circular inner surface, rigid flange with central part and retention unit, where flange and ring are maintained together by gussets fixed on element chosen among flange and ring |
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| US20100072796A1 (en) * | 2006-02-16 | 2010-03-25 | Kabushiki Kaisha Imasen Denki Seisakusho | Reclining Device |
| CN101941389A (en) * | 2009-07-04 | 2011-01-12 | 湖北中航精机科技股份有限公司 | Seat angle adjuster and seat with angle adjuster |
| CN203041376U (en) * | 2012-12-14 | 2013-07-10 | 湖北中航精机科技有限公司 | Seat angle adjusting device and seat |
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Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1172250A2 (en) * | 2000-06-29 | 2002-01-16 | Fujikiko Kabushiki Kaisha | Seat reclining device |
| FR2892356A1 (en) * | 2005-10-24 | 2007-04-27 | Faurecia Sieges Automobile | Articulation mechanism for seat of vehicle, has ring with circular inner surface, rigid flange with central part and retention unit, where flange and ring are maintained together by gussets fixed on element chosen among flange and ring |
| US20100072796A1 (en) * | 2006-02-16 | 2010-03-25 | Kabushiki Kaisha Imasen Denki Seisakusho | Reclining Device |
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| CN203041376U (en) * | 2012-12-14 | 2013-07-10 | 湖北中航精机科技有限公司 | Seat angle adjusting device and seat |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105361499A (en) * | 2015-12-02 | 2016-03-02 | 湖北中航精机科技有限公司 | Seat and seat angle adjuster thereof |
| CN107415784A (en) * | 2017-05-11 | 2017-12-01 | 汕头市瑞祥模具有限公司 | A kind of automobile armrest position device for regulating rotary |
| CN107415784B (en) * | 2017-05-11 | 2023-11-07 | 汕头市瑞祥模具有限公司 | Automobile armrest position rotation adjusting device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103040258B (en) | 2015-08-19 |
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Owner name: HUBEI AVIATION PRECISION MACHINERY TECHNOLOGY CO., Free format text: FORMER OWNER: ZHONGHANG PRECISIVE MACHINARY SCIENCE AND TECHNOLOGY CO., LTD., HUBEI Effective date: 20130620 |
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Effective date of registration: 20130620 Address after: 441003 Hubei city of Xiangfan province high tech Zone, Road No. 8 Applicant after: Hubei Aviation Precision Machinery Technology Co., Ltd. Address before: 441003 Hubei city of Xiangfan province high tech Zone, Road No. 8 Applicant before: Zhonghang Precisive Machinary Science and Technology Co., Ltd., Hubei |
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