CN103963099A - 360-degree automatic cutter protection cover and electronic slitting cutter - Google Patents
360-degree automatic cutter protection cover and electronic slitting cutter Download PDFInfo
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- CN103963099A CN103963099A CN201410135182.3A CN201410135182A CN103963099A CN 103963099 A CN103963099 A CN 103963099A CN 201410135182 A CN201410135182 A CN 201410135182A CN 103963099 A CN103963099 A CN 103963099A
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Abstract
The invention provides a 360-degree automatic cutter protection cover and an electronic slitting cutter. The cutter protection cover comprises a main cutter protection cover body, a movable cutter protection cover, an installation base and a drive mechanism, wherein the main cutter protection cover body is a circular cover, the lower end of the circular cover is provided with a cutter outlet notch, and the installation base is arranged on the cutter outlet notch; the movable cutter protection cover body is arch-shaped and can be movably connected with the position, opposite to the position below the installation base, of the cutter outlet notch of the main protection cover body in a vertical turning mode, and the movable cutter protection cover body and the main cutter protection cover form a whole circle; the drive mechanism is arranged on the installation base and is in transmission connection with the movable cutter protection cover body. Accordingly, 360-degree protection of a blade can be achieved in a non-use state, injury accidents of people are prevented from occurring, damage of the blade at the cutter outlet notch due to scratching of hard objects is also prevented, the protection effect is very good, the cutting effect of the electronic slitting cutter is guaranteed, and the service life of the blade is prolonged; besides, the movable cutter protection cover body automatically turns vertically, operation is easy, convenient and quick to achieve, and the structure is reasonable and scientific.
Description
[technical field]
The invention belongs to material cutting apparatus technical field, relate in particular to a kind of 360 degree and automatically protect cutter cover and electronics carving knife.
[background technology]
At present, pneumatic or electronics carving knife is a kind of process equipment that is usually used in the slim long flaky material of cutting in web-handled industry, and the carving knife of selling on market now is mainly made up of these two parts of cutter head assembly of cutter hub and fixed blade; But the cutter head assembly of existing carving knife go out knife-edge part, its blade in use or after finishing using, be all outside being exposed to always, the blade section exposing the like this contingency of very easily hurting sb.'s feelings, also easily because other hard thing scratching causes damage, both affected cutting effect, again reduction of service life.
[summary of the invention]
In order to solve the above-mentioned technical problem existing in prior art, the invention provides a kind of 360 degree protections that realize blade, both can avoid injuring the generation of human body contingency, also ensure the cutting effect of electronics carving knife, also greatly extend the service life of blade; And use 360 degree of simple, convenient, quick, rational in infrastructure, science automatically to protect cutter cover, and be provided with this 360 degree and automatically protect the electronics carving knife of cutter cover.
The present invention solves the technical scheme that prior art problem adopts:
A kind of 360 degree protect cutter cover automatically, include and mainly protect cutter cover, cutter cover, mounting base and driving mechanism are protected in activity; It is the circular cover body that a lower end is provided with out cutter breach that described master protects cutter cover, and goes out cutter indentation, there and be provided with described mounting base; It is arc that cutter cover is protected in described activity, and it can spin upside down and be movably connected in the main mounting base lower position that cutter breach faces toward that goes out that protects cutter cover, and on cutter cover, forms a full circle with main protecting; Described driving mechanism is arranged on mounting base, and protects cutter cover with activity and be in transmission connection.
Further, described driving mechanism is mainly by driving pull bar, driving slide block, back-moving spring, connection guide pipe and drive installation seat to form, described mounting base is provided with the portion that is connected and installed of mating with drive installation seat, described in the portion of being connected and installed be provided with longitudinal chute; When assembling, described drive installation seat is arranged in the portion of being connected and installed, described driving slide block, back-moving spring and connection guide pipe are located in the cavity of drive installation seat and the portion's of being connected and installed formation from the bottom up successively, and drive slide block can slide up and down to be positioned at longitudinal chute; The lower end of described driving pull bar is stretched into from drive installation seat in the cavity of drive installation seat and the portion's of being connected and installed formation, and be connected and fixed through connecting guide pipe and back-moving spring and driving slide block successively, the upper end of described driving pull bar is provided with the driving connecting portion being connected with electronics carving knife cutter hub; Described activity is protected cutter cover and is turned over reset on can be automatically and rotate on mounting base, and is in transmission connection with driving slide block, realizes lower upset moving.
Further, described mounting base includes mounting seat and Connection Block; Described Connection Block is " Qian " shape, and its two ends, left and right are for being connected and installed portion, and be arranged on main protect cutter cover under bring out cutter indentation, there; The two ends, left and right that cutter cover is protected in described activity are equipped with rotating junction, and rotated and be connected to the longitudinal chute that is positioned at left and right and is connected and installed subordinate's end by reduction torsion spring and bayonet lock, and the rotating junction that cutter cover is protected in the activity of down turning shape state is connected with driving slide block; Described mounting seat is provided with shape size and protects with main go out cutter breach, Connection Block and the activity of protecting cutter cover the breach of stepping down that cutter cover matches, and protect with the master who goes out the cutter breach left and right sides master that cutter cover rim mates and protect cutter cover mount pad, and the main left and right sides of protecting cutter cover mount pad and be positioned at the breach of stepping down; When assembling, the described master who is integrally connected protects cutter breach, Connection Block and the activity of cutter cover and protects cutter and cover at and step down in breach, and described master protects the left and right sides rim that cutter cover is positioned at cutter breach and is fixed by screws in main protecting on cutter cover mount pad.
Further, described drive installation seat is provided with fast lockign apparatus, and described fast lockign apparatus includes knob, button nail and spring; When assembling, described button nail is successively through knob and drive installation seat, and end end is provided with stop pin, and button nail is fixed as one with knob; Described spring housing nails at button, and between knob and drive installation seat; The described portion relevant position that is connected and installed is provided with end and the suitable lock hole of stop pin followed closely with button, and the end of described button nail inserts in lock hole, and is locked, fixed by stop pin.
Further, be also provided with rotatable adjusting banking pin on described drive installation seat, described adjusting banking pin penetrates drive installation seat, and connect, rotating junction that cutter cover is protected in the activity of withstanding down turning shape state, with activity is protected cutter cover under the amplitude of turning over limit.
A kind of electronics carving knife, include cutter hub and cutter head assembly, described cutter head assembly is provided with 360 degree of the present invention and automatically protects cutter cover, described cutter hub is provided with driving connection card, when described cutter hub is connected with cutter head assembly, described driving mechanism is stuck in and drives in connection card, and when non-working condition, the blade of described cutter head assembly is positioned at the main activity of protecting cutter cover and down turning shape state and protects cutter cover.
Beneficial effect of the present invention is as follows:
The present invention passes through technique scheme, can realize 360 degree protections of blade, avoided completely the hurting sb.'s feelings generation of contingency in the time of non-working condition, also can avoid causing out because of other hard thing scratching the breaks down of cutter indentation, there, protection effect is splendid, both ensure the cutting effect of electronics carving knife, also greatly extended the service life of blade; And activity protects cutter cover and automatically complete and spin upside down, use simple, convenient, quick, rational in infrastructure, science.
In addition, by being set, rotation fast lockign apparatus quickly and easily driving mechanism is unloaded, thereby by clean to the dust in longitudinal chute, foreign bodies removal, or in the time that cutter head assembly is installed in 180 degree reversions, driving mechanism is arranged on and is connected and installed accordingly in portion; Simultaneously by regulate banking pin can control activity protect cutter cover under turn over amplitude, thereby avoid coming in contact with blade the problem that causes blade abrasion, the service life of blade is more secure.
[brief description of the drawings]
Fig. 1 is the partial structurtes schematic diagram of a kind of electronics carving knife embodiment of the present invention;
Fig. 2 be in a kind of electronics carving knife embodiment of the present invention cutter head assembly face structural representation;
Fig. 3 360 spends the perspective view of automatically protecting cutter cover in a kind of electronics carving knife embodiment of the present invention;
Fig. 4 is the blast structural representation that in a kind of electronics carving knife embodiment of the present invention, 360 degree protect cutter cover automatically;
Fig. 5 is the operation principle schematic diagram that in a kind of electronics carving knife embodiment of the present invention, 360 degree protect cutter cover automatically; Fig. 5 a be the cutter head assembly of electronics carving knife while moving downward activity protect the resupinate schematic diagram of cutter cover, Fig. 5 b be the cutter head assembly of electronics carving knife while moving upward activity protect the cutter cover schematic diagram resetting that overturns downwards.
[detailed description of the invention]
In order to make object of the present invention, technical scheme and advantage clearer, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein, only in order to explain the present invention, is not intended to limit the present invention.
As shown in Fig. 1 to Fig. 5:
The described a kind of electronics carving knife of the invention process row includes cutter hub 1 and cutter head assembly 2.Described cutter head assembly 3 is provided with 360 degree and automatically protects cutter cover 3, described 360 degree automatically protect cutter cover 3 include main protect cutter cover 31, cutter cover 32, mounting base 33 and driving mechanism 34 are protected in activity; It is circular cover bodies that a lower end is provided with out cutter breach 311 that described master protects cutter cover 31, and goes out cutter breach 311 places and be provided with described mounting base 33; Described activity is protected cutter cover 32 for arc, and it can spin upside down and be movably connected in main mounting base 33 lower positions that cutter breach 311 faces toward that go out that protect cutter cover 31, and on cutter cover 31, forms a full circle with main protecting; Described driving mechanism 34 is arranged on mounting base 33, and protecting cutter cover 32 with activity is in transmission connection, concrete structure can be: described driving mechanism 34 is mainly by driving pull bar 341, driving slide block 342, back-moving spring 343, connection guide pipe 344 and drive installation seat 345 to form, described mounting base 33 is provided with the portion that is connected and installed 333 of mating with drive installation seat 345, described in be connected and installed portion 333 and be provided with longitudinal chute 334; When assembling, described drive installation seat 345 is arranged in the portion of being connected and installed 333, described driving slide block 342, back-moving spring 343 and be connected guide pipe 344 and be located at successively from the bottom up drive installation seat 345 and be connected and installed in the cavity that portion 333 forms, and drive slide block 342 can slide up and down to be positioned at longitudinal chute 334; The lower end of described driving pull bar 341 is stretched into drive installation seat 345 and is connected and installed in the cavity that portion 33 forms from drive installation seat 345, and be connected and fixed with driving slide block 342 through connecting guide pipe 344 and back-moving spring 343 successively, the upper end of described driving pull bar 341 is provided with and drives connecting portion 346; Described activity is protected cutter cover 32 and is turned over reset on can be automatically and rotate on mounting base 33, and is in transmission connection with driving slide block 342, realizes lower upset moving; Described cutter hub 1 is provided with and drives connection card 11, when described cutter hub 1 is connected with cutter head assembly 2, described driving mechanism 34 (driving connecting portion 346) is stuck in and drives in connection card 11, and when non-working condition, the blade 21 of described cutter head assembly 2 is positioned at the main activity of protecting cutter cover 31 and down turning shape state and protects cutter cover 32.
Wherein, described mounting base 33 includes mounting seat 331 and Connection Block 332; Described Connection Block 332 is " Qian " shape, and its two ends, left and right are for being connected and installed portion 333, and be arranged on main protect cutter cover 31 under bring out cutter breach 311 places; The two ends, left and right that cutter cover 32 is protected in described activity are equipped with rotating junction 321, and rotated and be connected to the longitudinal chute 334 that is positioned at left and right and is connected and installed portion 333 lower ends by reduction torsion spring 322 and bayonet lock 323, and the rotating junction 321 that cutter cover 32 is protected in the activity of down turning shape state is connected with driving slide block 342; Described mounting seat 331 is provided with shape size and protects with main go out cutter breach 311, Connection Block 332 and the activity of protecting cutter cover 31 breach 336 of stepping down that cutter cover 32 matches, and protect with the master who goes out cutter breach 311 left and right sides master that cutter cover 31 rims mate and protect cutter cover mount pad 337, and the main left and right sides of protecting cutter cover mount pad 337 and be positioned at the breach 336 of stepping down; When assembling, the described master who is integrally connected protects cutter breach 311, Connection Block 332 and the activity of cutter cover 31 and protects cutter cover 32 and be located at and step down in breach 336, and described master protects the left and right sides rim that cutter cover 31 is positioned at cutter breach 311 and is fixed by screws in main protecting on cutter cover mount pad 337.
In the time that electronics carving knife of the present invention uses, as Fig. 5 a: cutter head assembly 2 entirety are down moved, the driving pull bar 341 of this proceduredriven mechanism 34 maintains static under the effect that drives connection card 11, keep original position, make to drive slide block 342 at longitudinal relative upward sliding of the interior work of chute 334, the rotating junction 321 of protecting cutter cover 32 with activity is separated, now the movable cutter cover 32 that protects turns over reset on automatically under the effect of reduction torsion spring 322, the blade 21 of using cutter breach 311 places exposes, and can cut; As Fig. 5 b, finish using, cutter head assembly 2 entirety are up moved, the driving pull bar 341 of this proceduredriven mechanism 34 maintains static equally under the effect that drives connection card 11, and under the acting in conjunction of back-moving spring 343, make to drive slide block 342 at the longitudinal relative down sliding of the interior work of chute 334, until the rotating junction 321 of protecting cutter cover 32 with activity is in transmission connection, the activity of ordering about is protected cutter cover 32 and is overturn downwards, and the blade 21 that goes out cutter breach 311 places is encased.
Like this, electronics carving knife of the present invention is protected cutter cover 3 and can be realized 360 degree protections of blade 21 automatically by 360 degree, avoid completely damaging because scratching causes out the blade 21 at cutter breach 311 places in the time of non-working condition, protection effect is splendid, both ensured the cutting effect of electronics carving knife, also greatly extend the service life of blade 21, also can avoid the generation of contingency; And activity protects cutter cover 32 and automatically complete and spin upside down, use simple, convenient, quick, rational in infrastructure, science.
As the present invention's one preferred version, described drive installation seat 345 is provided with fast lockign apparatus 35, and described fast lockign apparatus 35 includes knob 351, button nail 352 and spring 353; When assembling, described button nail 352 is successively through knob 351 and drive installation seat 345, and end end is provided with stop pin (not showing in figure), and button nail 352 is fixed as one with knob 351; Described spring 353 is enclosed within on button nail 352, and between knob 351 and drive installation seat 345; Described portion 333 relevant positions that are connected and installed are provided with and the end of button nail 352 and the suitable lock hole 338 of stop pin, and the end of described button nail 352 inserts in lock hole 338, and lock, fixed by stop pin.Like this, just driving mechanism 34 can be unloaded by rotation fast lockign apparatus 35 certain angles (approximately 45 degree), by clean to dust, foreign bodies removal in longitudinal chute 334, or driving mechanism 34 is arranged on and is connected and installed accordingly in portion 333, processing ease, quick in the time that cutter head assembly 2 is installed in 180 degree reversions.
As the another preferred version of the present invention, on described drive installation seat 345, be also provided with rotatable adjusting banking pin 36, described adjusting banking pin 36 penetrates drive installation seat 345, and connect, rotating junction 321 that cutter cover 32 is protected in the activity of withstanding down turning shape state, with activity is protected cutter cover 32 under the amplitude of turning over limit; Can effectively avoid activity to protect that cutter cover turns over blade 21 for 32 times while protecting and blade 21 comes in contact, thus the problem that causes blade 21 to wear and tear, and the service life of blade 21 is more secure.
Above content is in conjunction with concrete optimal technical scheme further description made for the present invention, can not assert that specific embodiment of the invention is confined to these explanations.For general technical staff of the technical field of the invention, without departing from the inventive concept of the premise, can also make some simple deduction or replace, all should be considered as belonging to protection scope of the present invention.
Claims (6)
1. 360 degree protect a cutter cover automatically, it is characterized in that: include and main protect cutter cover (31), cutter cover (32), mounting base (33) and driving mechanism (34) are protected in activity; It is the circular cover body that a lower end is provided with out cutter breach (311) that described master protects cutter cover (31), and goes out cutter breach (311) and locate to be provided with described mounting base (33); Described activity is protected cutter cover (32) for arc, and it can spin upside down and be movably connected in main mounting base (33) lower position that cutter breach (311) faces toward that goes out that protects cutter cover (31), and above forms a full circle with the main cutter cover (31) that protects; It is upper that described driving mechanism (34) is arranged on mounting base (33), and protect cutter cover (32) with activity and be in transmission connection.
2. 360 degree according to claim 1 protect cutter cover automatically, it is characterized in that: described driving mechanism (34) is mainly by driving pull bar (341), driving slide block (342), back-moving spring (343), connection guide pipe (344) and drive installation seat (345) to form, described mounting base (33) is provided with the portion that is connected and installed (333) of mating with drive installation seat (345), described in be connected and installed portion (333) and be provided with longitudinal chute (334); When assembling, described drive installation seat (345) is arranged in the portion of being connected and installed (333), described driving slide block (342), back-moving spring (343) and be connected guide pipe (344) be located at successively from the bottom up drive installation seat (345) and be connected and installed portion (333) form cavity in, and drive slide block (342) can slide up and down to be positioned at longitudinal chute (334); The lower end of described driving pull bar (341) is stretched into drive installation seat (345) and is connected and installed in the cavity of portion (333) formation from drive installation seat (345), and be connected and fixed with driving slide block (342) through connecting guide pipe (344) and back-moving spring (343) successively, the upper end of described driving pull bar (341) is provided with the driving connecting portion (346) being connected with electronics carving knife cutter hub; Described activity is protected cutter cover (32) and is turned over reset on can be automatically and be rotatably connected on mounting base (33) upper, and is in transmission connection with driving slide block (342), realizes lower upset moving.
3. 360 degree according to claim 2 protect cutter cover automatically, it is characterized in that: described mounting base (33) includes mounting seat (331) and Connection Block (332); Described Connection Block (332) is " Qian " shape, and its two ends, left and right are for being connected and installed portion (333), and be arranged on main protect cutter cover (31) under bring out cutter breach (311) and locate; The two ends, left and right that cutter cover (32) is protected in described activity are equipped with rotating junction (321), and rotated and be connected to the longitudinal chute (334) that is positioned at left and right and is connected and installed portion (333) lower end by reduction torsion spring (322) and bayonet lock (323), and the rotating junction (321) that cutter cover (32) are protected in the activity of down turning shape state is connected with driving slide block (342); Described mounting seat (331) is provided with shape size and protects with main go out cutter breach (311), Connection Block (332) and the activity of protecting cutter cover (31) breach of stepping down (336) that cutter cover (32) matches, and protect with the master who goes out cutter breach (311) left and right sides master that cutter cover (31) rim mates and protect cutter cover mount pad (337), and the main left and right sides of protecting cutter cover mount pad (337) and be positioned at the breach of stepping down (336); When assembling, the described master who is integrally connected protects cutter breach (311), Connection Block (332) and the activity of cutter cover (31) and protects cutter cover (32) and be located in the breach of stepping down (336), and described master protects the left and right sides rim that cutter cover (31) is positioned at cutter breach (311) and is fixed by screws in main protecting on cutter cover mount pad (337).
4. 360 degree according to claim 3 protect cutter cover automatically, it is characterized in that: described drive installation seat (345) is provided with fast lockign apparatus (35), described fast lockign apparatus (35) includes knob (351), button nail (352) and spring (353); When assembling, described button nail (352) is successively through knob (351) and drive installation seat (345), and end end is provided with stop pin, and button nail (352) is fixed as one with knob (351); It is upper that described spring (353) is enclosed within button nail (352), and be positioned between knob (351) and drive installation seat (345); Described portion (333) relevant position that is connected and installed is provided with and the end of button nail (352) and the suitable lock hole (338) of stop pin, and the end of described button nail (352) inserts in lock hole (338), and lock, fixed by stop pin.
5. 360 degree according to claim 4 protect cutter cover automatically, it is characterized in that: on described drive installation seat (345), be also provided with rotatable adjusting banking pin (36), described adjusting banking pin (36) penetrates drive installation seat (345), and connect, rotating junction (321) that cutter cover (32) are protected in the activity of withstanding down turning shape state, with activity is protected cutter cover (32) under the amplitude of turning over limit.
6. an electronics carving knife, include cutter hub (1) and cutter head assembly (2), it is characterized in that: described cutter head assembly (2) is provided with arbitrary 360 described degree in claim 1 to 5 and automatically protects cutter cover (3), described cutter hub (1) is provided with and drives connection card (11), when described cutter hub (1) is connected with cutter head assembly (2), described driving mechanism (34) is stuck in and drives in connection card (11), and when non-working condition, the blade (21) of described cutter head assembly (2) is positioned at the main activity of protecting cutter cover (31) and down turning shape state and protects cutter cover (32).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410135182.3A CN103963099B (en) | 2014-04-04 | 2014-04-04 | A kind of 360 degree are protected cutter cover and electronics carving knife automatically |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410135182.3A CN103963099B (en) | 2014-04-04 | 2014-04-04 | A kind of 360 degree are protected cutter cover and electronics carving knife automatically |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103963099A true CN103963099A (en) | 2014-08-06 |
| CN103963099B CN103963099B (en) | 2015-12-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410135182.3A Active CN103963099B (en) | 2014-04-04 | 2014-04-04 | A kind of 360 degree are protected cutter cover and electronics carving knife automatically |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09225894A (en) * | 1996-02-24 | 1997-09-02 | Komatsu Electron Metals Co Ltd | Protecting cover of cutter knife |
| DE10207296A1 (en) * | 2001-02-26 | 2002-10-10 | Cavagna Elio Srl | Protective device for cutting knives/circular blades of machines for the cutting of plastic/aluminum foils consists of two profiled parts moved sliding along inner surfaces of blade/knife cover |
| KR200423415Y1 (en) * | 2006-05-16 | 2006-08-07 | 한국후지공업주식회사 | Cover device for cuttering meat slicer |
| CN101439519A (en) * | 2007-11-19 | 2009-05-27 | 胡明强 | Automatic cutting machine |
| US20110314992A1 (en) * | 2009-03-16 | 2011-12-29 | Carl Manufacturing Co., Ltd. | Cutter |
| US20130247390A1 (en) * | 2012-03-23 | 2013-09-26 | Maxcess International | Slitter Blade Guard |
| CN203779573U (en) * | 2014-04-04 | 2014-08-20 | 美塞斯（珠海保税区）工业自动化设备有限公司 | 360-degree automatic knife protection cover and electric slitting knife |
-
2014
- 2014-04-04 CN CN201410135182.3A patent/CN103963099B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09225894A (en) * | 1996-02-24 | 1997-09-02 | Komatsu Electron Metals Co Ltd | Protecting cover of cutter knife |
| DE10207296A1 (en) * | 2001-02-26 | 2002-10-10 | Cavagna Elio Srl | Protective device for cutting knives/circular blades of machines for the cutting of plastic/aluminum foils consists of two profiled parts moved sliding along inner surfaces of blade/knife cover |
| KR200423415Y1 (en) * | 2006-05-16 | 2006-08-07 | 한국후지공업주식회사 | Cover device for cuttering meat slicer |
| CN101439519A (en) * | 2007-11-19 | 2009-05-27 | 胡明强 | Automatic cutting machine |
| US20110314992A1 (en) * | 2009-03-16 | 2011-12-29 | Carl Manufacturing Co., Ltd. | Cutter |
| US20130247390A1 (en) * | 2012-03-23 | 2013-09-26 | Maxcess International | Slitter Blade Guard |
| CN203779573U (en) * | 2014-04-04 | 2014-08-20 | 美塞斯（珠海保税区）工业自动化设备有限公司 | 360-degree automatic knife protection cover and electric slitting knife |
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| Publication number | Publication date |
|---|---|
| CN103963099B (en) | 2015-12-16 |
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Address after: 519000 Guangdong Province, Zhuhai city Xiangzhou District Nanping Hongwan Industrial Zone Xing Bay six road No. 9 No. two building one or two, three floor Patentee after: USA Seth (Zhuhai) industrial automation equipment Co., Ltd. Address before: No. five Hengli Industrial Park in Guangdong province Zhuhai city 519000 Free Trade Zone No. 7 building one layer, two layer A Patentee before: MAXCESS (ZHUHAI FREE TRADE ZONE) INDUSTRIAL AUTOMATION EQUIPMENT CO., LTD. |
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