CN105269505A - Multi-functional connecting rod - Google Patents
Multi-functional connecting rod Download PDFInfo
- Publication number
- CN105269505A CN105269505A CN201410228738.3A CN201410228738A CN105269505A CN 105269505 A CN105269505 A CN 105269505A CN 201410228738 A CN201410228738 A CN 201410228738A CN 105269505 A CN105269505 A CN 105269505A
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- China
- Prior art keywords
- inner sleeve
- middle cover
- elastic component
- foot piece
- stop
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Abstract
The invention discloses a multi-functional connecting rod. The two ends of an inner sleeve are provided with a mounting hole and a tail rod respectively. A first elastic part which can stretch and retract in the axial direction is arranged in the mounting hole. The sidewall of one end of the mounting hole is provided with at least three radial through holes. Roll balls can slide along the radial through holes in the axial direction. Stop devices for preventing the roll balls from falling into the mounting hole are arranged in the radial through holes. A check ring with a horn mouth in one end and a second elastic part are arranged at one end of the inner sleeve in a sleeved mode. The inner sidewall of the horn mouth of the check ring abuts against the roll balls. The other end of the check ring abuts against one end of the second elastic part. The other end of the second elastic part is fixed to the inner sleeve. A magnetic induction device is fixedly arranged on the inner sidewall of one end of a middle sleeve, and the inner sleeve is sleeved with the middle sleeve in a sliding mode. The other end of the magnetic induction device can push the check ring to move towards the tail rod. The middle sleeve is sleeved with an outer sleeve in a sliding mode. The front stop device and the rear stop device which are used for limiting the sliding distance of the outer sleeve are formed at the two ends of the middle sleeve respectively. The multifunctional connecting rod has the advantages that screws can be clamped and stabilized, operation is safe and the depth is visible and can be adjusted.
Description
Technical field
The present invention relates to a kind of screwdriver head clamping device, particularly a kind of Multifunctional connecting bar.
Background technology
Common screwdriver head clamping device structure is more complicated, function singleness, general only have screwdriver head clamping and change function, use very inconvenient, screwdriver head is arranged on after on screwdriver head clamping device, when screw being operated with screwdriver head, need hand-held a screwdriver head clamping device, another hand steered screw, or first screw can be entered a segment distance to operate screw with the screwdriver head on screwdriver head clamping device again, operate very inconvenient, also easy by inclined for screw installation, screw is when screw-in operates, due to screw High Rotation Speed, the break flour also easily thrown away in object even causes screw to throw away, cause human injury, screw is when locking, be difficult to grasp screw-in depth, easily cause screw-in excessively dark, torsion is excessive, object is caused to break, also may screw in shallow, cause pulling capacity not enough, lost efficacy etc. during use.
Summary of the invention
In order to make up above deficiency, the invention provides a kind of Multifunctional connecting bar, the facilitating the installation of screwdriver head, change and operation to screw of this Multifunctional connecting bar, its structure is simple, multiple functional, easy to use.
The present invention in order to the technical scheme solving its technical problem and adopt is: a kind of Multifunctional connecting bar, comprise overcoat, middle cover, inner sleeve, magnetic-inductive device, foot piece, baffle ring, ball and first, two elastic components, described inner sleeve one end is formed with the installing hole plugged for screwdriver head, foot piece is fixedly installed in the inner sleeve other end, first elastic component is inserted in the installing hole of inner sleeve, can stretch along installing hole axial elasticity in first elastic component one end, stationary positioned inside the first elastic component other end and installing hole, the sidewall of inner sleeve installing hole one end is provided with at least three radial perforations, ball is just placed in this radial perforation and also can slides along this radial perforation length direction, this radial perforation is formed with stop device towards side, inner sleeve axle center, this stop device can stop ball to fall in inner sleeve installing hole, baffle ring and the second elastic component are sheathed on outside inner sleeve one end respectively, baffle ring one end is formed with horn mouth, this horn mouth madial wall is tight against outside ball, the baffle ring other end is tight against second elastic component one end, the second elastic component other end and the stop of inner sleeve lateral wall are located, middle cover can slide axially and be sheathed on outside inner sleeve, middle cover one end madial wall is installed with magnetic-inductive device, this magnetic-inductive device is formed with the passage passed for screwdriver head, magnetic-inductive device can promote baffle ring towards one end of foot piece and move towards foot piece direction, overcoat can slide axially and be sheathed on middle cover outside, and middle cover two ends are formed with front and back stop device respectively, front and back stop device limits the distance of overcoat towards axial two Slideslips respectively.
As a further improvement on the present invention, the described inner sleeve other end is provided with foot piece and plugs hole, foot piece is inserted stop and is inserted in this and plugs in hole, installing hole is the stepped hole that one end diameter is greater than other end diameter, and this stepped hole other end with plug hole and be communicated with, it is inner that the large one end of installing hole diameter is stretched in first elastic component one end, and the first elastic component is volute spring, and one end stop sleeve that this volute spring diameter is large is located at foot piece one end.
As a further improvement on the present invention, baffle ring is formed inside the described middle cover other end, be arranged with the 3rd elastic component outside the inner sleeve other end, the 3rd elastic component one end and the stop of inner sleeve lateral wall are located, and the 3rd elastic component other end is tight against the baffle ring of the middle cover other end.
As a further improvement on the present invention, baffle ring inside the described middle cover other end is the rear cover that one end diameter is less than the loop configuration of other end diameter, one end stop that this rear cover diameter is little is inserted in inside the middle cover other end, rear cover one end is tight against the 3rd elastic component other end, and one end backstop that rear cover diameter is large is outside in the middle cover other end.
As a further improvement on the present invention, in put front and back stop device and limit overcoat respectively and towards the structure of the axial distance of two Slideslips be: middle cover stop device of going forward is be embedded at the jump ring outside middle cover one end, in to put rear stop device be one end end face that rear cover diameter is large, described overcoat is towards the proper backstop of end face of foot piece one end in the large one end end face of rear cover diameter, overcoat is formed with the backstop that a loop diameter inside contracts inside foot piece one end, and the proper backstop of this backstop is in the jump ring in middle cover outside.
As a further improvement on the present invention, described overcoat is formed with the conical ring groove that a loop diameter increases gradually on the madial wall of foot piece one end, and this conical ring groove is just connected foot piece one end dorsad with backstop.
As a further improvement on the present invention, be also provided with nut, be spirally connected outside this nut and the middle cover other end, and this nut be between overcoat and rear cover.
As a further improvement on the present invention, put outward and be also provided with transparent window, window edge is provided with the scale arranged vertically.
As a further improvement on the present invention, overcoat is also provided with positive stop in foot piece one end dorsad, and this positive stop is provided with the positioning through hole coaxial with inner sleeve installing hole, and this positive stop is towards the magnetic-inductive device of end face backstop inside middle cover of foot piece one end.As a further improvement on the present invention, be also provided with pushing block, described pushing block can be located at outside inner sleeve one end by slip cap, and the proper backstop of pushing block is in baffle ring one end, and magnetic-inductive device be able to be tight against pushing block one end.
The invention has the beneficial effects as follows: the present invention collects five large merits for one, easy to use, simple to operate, novel in design, in daily life, has purposes widely in production; Holding function can fast clamp and change screwdriver head, and one-hand operation is by screwdriver head automatic spring; Firm screw function makes magnetic-inductive device be positioned at installing hole front end, and absorption affinity is stronger; Safety operation function adopts scalable cover on long spiro nail, effectively prevents finger from damaging, and works safer; Visual depth function clearly on the window of overcoat can see the degree of depth that screw is locked into object intuitively; The distance that adjustable-depth function is adjustable and fixed jacket is flexible, ensureing that the degree of depth continuously locked by screw is predetermined depth.
Accompanying drawing explanation
Fig. 1 is structural principle front view of the present invention;
Fig. 2 is exploded view of the present invention;
Fig. 3 is fast clamp of the present invention and changes function first state diagram;
Fig. 4 is fast clamp of the present invention and changes function second state diagram;
Fig. 5 is fast clamp of the present invention and changes function third state figure;
Fig. 6 is fast clamp of the present invention and changes function the 4th state diagram;
Fig. 7 is the state diagram of the present invention's firm screw function first;
Fig. 8 is the state diagram of the present invention's firm screw function second;
Fig. 9 is safety operation functional status figure of the present invention;
Figure 10 is visual depth functional status figure of the present invention;
Figure 11 is adjustable-depth function first of the present invention state diagram;
Figure 12 is adjustable-depth function second of the present invention state diagram;
Figure 13 is adjustable-depth function third state figure of the present invention.
Detailed description of the invention
Embodiment: a kind of Multifunctional connecting bar, comprise overcoat 1, middle cover 2, inner sleeve 3, magnetic-inductive device 4, foot piece 5, baffle ring 6, ball 7 and first, two elastic components 8, 9, described inner sleeve 3 one end is formed with the installing hole 11 plugged for screwdriver head, foot piece 5 is fixedly installed in inner sleeve 3 other end, first elastic component 8 is inserted in the installing hole 11 of inner sleeve 3, can stretch along installing hole 11 axial elasticity in first elastic component 8 one end, stationary positioned inside first elastic component 8 other end and installing hole 11, the sidewall of inner sleeve 3 installing hole 11 one end is provided with at least three radial perforations 12, ball 7 is just placed in this radial perforation 12 and also can slides along this radial perforation 12 length direction, this radial perforation 12 is formed with stop device towards side, inner sleeve 3 axle center, this stop device can stop ball 7 to fall in inner sleeve 3 installing hole 11, baffle ring 6 and the second elastic component 9 are sheathed on outside inner sleeve 3 one end respectively, baffle ring 6 one end is formed with horn mouth, this horn mouth madial wall is tight against outside ball 7, baffle ring 6 is separately tight against second elastic component 9 one end, second elastic component 9 other end and the stop of inner sleeve 3 lateral wall are located, middle cover 2 can slide axially and be sheathed on outside inner sleeve 3, middle cover 2 one end madial wall is installed with magnetic-inductive device 4, this magnetic-inductive device 4 is formed with the passage passed for screwdriver head, magnetic-inductive device 4 can promote baffle ring 6 towards one end of foot piece 5 and move towards foot piece 5 direction, overcoat 1 can slide axially and be sheathed on outside middle cover 2, and middle cover 2 two ends are formed with front and back stop device respectively, front and back stop device limits the distance of overcoat 1 towards axial two Slideslips respectively.
This extension bar has multiple function:
The first function: fast clamp with change screwdriver head: built-in first elastic component 8, ball 7, baffle ring 6, second elastic component 9 coordinates can fast clamp and change screwdriver head, when screwdriver head 20 inserts extension bar, ball 7 suffers oppression and radially outward moves, and then promotion baffle ring 6 compresses the second elastic component 9, when screwdriver head inserts certain depth, ball 7 just falls in the pneumatic groove of screwdriver head, screwdriver head is clamped, baffle ring 6 is return under the second elastic component 9 acts on, first elastic component 8 forced compression simultaneously, when changeing screwdriver head, only overcoat 1 need be pulled back, overcoat 1 can drive magnetic-inductive device 4, magnetic-inductive device 4 promotes baffle ring 6 and moves backward, second elastic component 9 forced compression again, at this moment ball 7 no longer clamps screwdriver head groove and is in free state, therefore script the first elastic component 8 abrupt release elastic force by compression, screwdriver head is ejected smoothly, this action one-hand operation is by screwdriver head automatic spring, easy to operate,
The second function: firm screw: insert screw on screwdriver head, overlaps 2 in driven forward, screw is firmly held by magnetic-inductive device 4;
The third function: safety operation is protected: pulled to cover on screw by overcoat 1 when we lock screw and operate, the injury that can effectively avoid screw to rotate.)
Described inner sleeve 3 other end is provided with foot piece 5 and plugs hole, foot piece 5 is inserted stop and is inserted in this and plugs in hole, installing hole 11 is greater than the stepped hole of other end diameter for one end diameter, and this stepped hole other end with plug hole and be communicated with, it is inner that the large one end of installing hole 11 diameter is stretched in first elastic component 8 one end, first elastic component 8 is volute spring, one end stop sleeve that this volute spring diameter is large is located at foot piece 5 one end, installing hole 11 is generally hexagon ring, it can certainly be the hole of other shape, as square hole, in order to realize the stop location of screwdriver head.
Baffle ring 6 is formed inside described middle cover 2 other end, the 3rd elastic component 10 is arranged with outside inner sleeve 3 other end, 3rd elastic component 10 one end and the stop of inner sleeve 3 lateral wall are located, 3rd elastic component 10 other end is tight against the baffle ring 6 of middle cover 2 other end, overlaps 2 automatically reset by the elastic force effect of the 3rd elastic component 10 in being realized.
Baffle ring 6 inside described middle cover 2 other end is less than the rear cover 13 of the loop configuration of other end diameter for one end diameter, one end stop that this rear cover 13 diameter is little is inserted in inside middle cover 2 other end, rear cover 13 one end is tight against the 3rd elastic component 10 other end, and one end backstop that rear cover 13 diameter is large is outside in middle cover 2 other end.
Before and after on middle cover 2, stop device limits overcoat 1 respectively and towards the structure of the axial distance of two Slideslips is: middle cover 2 stop device of going forward is be embedded at the jump ring 14 outside middle cover 2 one end, after on middle cover 2, stop device is one end end face that rear cover 13 diameter is large, described overcoat 1 is towards the proper backstop of end face of foot piece 5 one end in the large one end end face of rear cover 13 diameter, overcoat 1 is formed with the backstop that a loop diameter inside contracts inside foot piece 5 one end, the jump ring 14 of the proper backstop of this backstop outside middle cover 2.
Described overcoat 1 is formed with the conical ring groove 15 that a loop diameter increases gradually on the madial wall of foot piece 5 one end, this conical ring groove is just connected foot piece 5 one end dorsad with backstop, conical ring groove is conducive to increasing overcoat 1 other end radial elastic, is convenient to jump ring 14 card on middle cover 2 simultaneously and establishes.
Also be provided with nut 16, be spirally connected outside this nut 16 and middle cover 2 other end, and this nut 16 is between overcoat 1 and rear cover 13, screw lock depth adjustable function can be realized, by nut 16 precession certain distance forward, can not move again with fixed jacket 1 backward, then screw is locked in object, after object encountered by screw precession certain depth and overcoat 1, screw just can revolved again, thus realizes the controllability of the degree of depth.
Overcoat 1 is also provided with transparent window 17, window 17 edge is provided with the scale arranged vertically, screw lock depth visual function can be realized, when DRIVE SCREWS is followed closely, through the window 17 of overcoat 1, can be clear and intuitive see the degree of depth that screw screws in, avoid screw to screw in dark or excessively shallow, ensure connect safety.
Overcoat 1 is also provided with positive stop 18 in foot piece 5 one end dorsad, this positive stop 18 is provided with the positioning through hole coaxial with inner sleeve 3 installing hole 11, and this positive stop 18 is towards the magnetic-inductive device 4 of end face backstop inside middle cover 2 of foot piece 5 one end, positive stop 18 can carry out spacing to head of screw radial direction, ensures that screw vertically screws in object.
Also be provided with pushing block 19, described pushing block 19 can be located at outside inner sleeve 3 one end by slip cap, and the proper backstop of pushing block 19 is in baffle ring 6 one end, and magnetic-inductive device 4 be able to be tight against pushing block 19 one end.
Claims (10)
1. a Multifunctional connecting bar, it is characterized in that: comprise overcoat (1), middle cover (2), inner sleeve (3), magnetic-inductive device (4), foot piece (5), baffle ring (6), ball (7) and first, two elastic components (8, 9), described inner sleeve one end is formed with the installing hole (11) plugged for screwdriver head, foot piece is fixedly installed in the inner sleeve other end, first elastic component is inserted in the installing hole of inner sleeve, can stretch along installing hole axial elasticity in first elastic component one end, stationary positioned inside the first elastic component other end and installing hole, the sidewall of inner sleeve installing hole one end is provided with at least three radial perforations (12), ball is just placed in this radial perforation and also can slides along this radial perforation length direction, this radial perforation is formed with stop device towards side, inner sleeve axle center, this stop device can stop ball to fall in inner sleeve installing hole, baffle ring and the second elastic component are sheathed on outside inner sleeve one end respectively, baffle ring one end is formed with horn mouth, this horn mouth madial wall is tight against outside ball, the baffle ring other end is tight against second elastic component one end, the second elastic component other end and the stop of inner sleeve lateral wall are located, middle cover can slide axially and be sheathed on outside inner sleeve, middle cover one end madial wall is installed with magnetic-inductive device, this magnetic-inductive device is formed with the passage passed for screwdriver head, magnetic-inductive device can promote baffle ring towards one end of foot piece and move towards foot piece direction, overcoat can slide axially and be sheathed on middle cover outside, and middle cover two ends are formed with front and back stop device respectively, front and back stop device limits the distance of overcoat towards axial two Slideslips respectively.
2. Multifunctional connecting bar according to claim 1, it is characterized in that: the described inner sleeve other end is provided with foot piece and plugs hole, foot piece is inserted stop and is inserted in this and plugs in hole, installing hole is the stepped hole that one end diameter is greater than other end diameter, and this stepped hole other end with plug hole and be communicated with, it is inner that the large one end of installing hole diameter is stretched in first elastic component one end, and the first elastic component is volute spring, and one end stop sleeve that this volute spring diameter is large is located at foot piece one end.
3. Multifunctional connecting bar according to claim 1, it is characterized in that: inside the described middle cover other end, be formed with baffle ring, the 3rd elastic component (10) is arranged with outside the inner sleeve other end, 3rd elastic component one end and the stop of inner sleeve lateral wall are located, and the 3rd elastic component other end is tight against the baffle ring of the middle cover other end.
4. Multifunctional connecting bar according to claim 3, it is characterized in that: the baffle ring inside the described middle cover other end is the rear cover (13) that one end diameter is less than the loop configuration of other end diameter, one end stop that this rear cover diameter is little is inserted in inside the middle cover other end, rear cover one end is tight against the 3rd elastic component other end, and one end backstop that rear cover diameter is large is outside in the middle cover other end.
5. Multifunctional connecting bar according to claim 4, it is characterized in that: in put front and back stop device and limit overcoat respectively and towards the structure of the axial distance of two Slideslips be: middle cover stop device of going forward is the jump ring (14) be embedded at outside middle cover one end, in to put rear stop device be one end end face that rear cover diameter is large, described overcoat is towards the proper backstop of end face of foot piece one end in the large one end end face of rear cover diameter, overcoat is formed with the backstop that a loop diameter inside contracts inside foot piece one end, and the proper backstop of this backstop is in the jump ring in middle cover outside.
6. Multifunctional connecting bar according to claim 5, is characterized in that: described overcoat is formed with the conical ring groove (15) that a loop diameter increases gradually on the madial wall of foot piece one end, and this conical ring groove is just connected foot piece one end dorsad with backstop.
7. Multifunctional connecting bar according to claim 5, is characterized in that: be also provided with nut (16), be spirally connected, and this nut is between overcoat and rear cover outside this nut and the middle cover other end.
8. Multifunctional connecting bar according to claim 1, is characterized in that: put outward and be also provided with transparent window (17), window edge is provided with the scale arranged vertically.
9. Multifunctional connecting bar according to claim 1, it is characterized in that: overcoat dorsad foot piece one end is also provided with positive stop (18), this positive stop is provided with the positioning through hole coaxial with inner sleeve installing hole, and this positive stop is towards the magnetic-inductive device of end face backstop inside middle cover of foot piece one end.
10. Multifunctional connecting bar according to claim 1, is characterized in that: be also provided with pushing block (19), and described pushing block can be located at outside inner sleeve one end by slip cap, and the proper backstop of pushing block is in baffle ring one end, and magnetic-inductive device be able to be tight against pushing block one end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410228738.3A CN105269505B (en) | 2014-05-27 | 2014-05-27 | Multifunctional connecting bar |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410228738.3A CN105269505B (en) | 2014-05-27 | 2014-05-27 | Multifunctional connecting bar |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105269505A true CN105269505A (en) | 2016-01-27 |
| CN105269505B CN105269505B (en) | 2018-02-06 |
Family
ID=55139801
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410228738.3A Active CN105269505B (en) | 2014-05-27 | 2014-05-27 | Multifunctional connecting bar |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105269505B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107685306A (en) * | 2016-08-04 | 2018-02-13 | 昆山义成工具有限公司 | Self-locking screw knife |
| CN108005487A (en) * | 2017-11-28 | 2018-05-08 | 宁波美固力磁电有限公司 | A kind of quick grafting lock construction |
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| JP2004216498A (en) * | 2003-01-14 | 2004-08-05 | Shinki Seisakusho:Kk | Screwing amount adjusting tool for screws |
| US6931967B1 (en) * | 2004-02-26 | 2005-08-23 | Sheng-Ming Chang | Connecting shaft device for screws |
| CN1915603A (en) * | 2005-08-15 | 2007-02-21 | 创科实业有限公司 | Screw guide device |
| CN101823252A (en) * | 2009-03-05 | 2010-09-08 | 创科电动工具科技有限公司 | Screw guide |
| TWM438949U (en) * | 2012-02-10 | 2012-10-11 | Yih Cheng Factory Co Ltd | Clamping mechanism |
| CN102886541A (en) * | 2011-07-22 | 2013-01-23 | 昆山义成工具有限公司 | Clamping device |
| CN203460107U (en) * | 2013-08-09 | 2014-03-05 | 昆山义成工具有限公司 | Magnetic screwdriver head connecting rod |
| CN203901193U (en) * | 2014-05-27 | 2014-10-29 | 昆山义成工具有限公司 | Multifunctional connecting rod |
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2014
- 2014-05-27 CN CN201410228738.3A patent/CN105269505B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004216498A (en) * | 2003-01-14 | 2004-08-05 | Shinki Seisakusho:Kk | Screwing amount adjusting tool for screws |
| US6931967B1 (en) * | 2004-02-26 | 2005-08-23 | Sheng-Ming Chang | Connecting shaft device for screws |
| CN1915603A (en) * | 2005-08-15 | 2007-02-21 | 创科实业有限公司 | Screw guide device |
| CN101823252A (en) * | 2009-03-05 | 2010-09-08 | 创科电动工具科技有限公司 | Screw guide |
| CN102886541A (en) * | 2011-07-22 | 2013-01-23 | 昆山义成工具有限公司 | Clamping device |
| TWM438949U (en) * | 2012-02-10 | 2012-10-11 | Yih Cheng Factory Co Ltd | Clamping mechanism |
| CN203460107U (en) * | 2013-08-09 | 2014-03-05 | 昆山义成工具有限公司 | Magnetic screwdriver head connecting rod |
| CN203901193U (en) * | 2014-05-27 | 2014-10-29 | 昆山义成工具有限公司 | Multifunctional connecting rod |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107685306A (en) * | 2016-08-04 | 2018-02-13 | 昆山义成工具有限公司 | Self-locking screw knife |
| CN108005487A (en) * | 2017-11-28 | 2018-05-08 | 宁波美固力磁电有限公司 | A kind of quick grafting lock construction |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105269505B (en) | 2018-02-06 |
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Effective date of registration: 20220629 Address after: 226600 No.88, Kaifa Avenue, Hai'an Economic and Technological Development Zone, Nantong City, Jiangsu Province Patentee after: Meishiman tools (Hai'an) Co.,Ltd. Address before: No.10, xiongzhuang Road, Kunshan City, Suzhou City, Jiangsu Province 215301 Patentee before: KUNSHAN YICHENG TOOLS Co.,Ltd. |
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