CN106895746B - A kind of the anti-of W type shield body cuts type shield - Google Patents
A kind of the anti-of W type shield body cuts type shield Download PDFInfo
- Publication number
- CN106895746B CN106895746B CN201710125761.3A CN201710125761A CN106895746B CN 106895746 B CN106895746 B CN 106895746B CN 201710125761 A CN201710125761 A CN 201710125761A CN 106895746 B CN106895746 B CN 106895746B
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- shield
- ontology
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- ridge
- guide groove
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F41—WEAPONS
- F41H—ARMOUR; ARMOURED TURRETS; ARMOURED OR ARMED VEHICLES; MEANS OF ATTACK OR DEFENCE, e.g. CAMOUFLAGE, IN GENERAL
- F41H5/00—Armour; Armour plates
- F41H5/06—Shields
- F41H5/08—Shields for personal use, i.e. hand held shields
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Aiming, Guidance, Guns With A Light Source, Armor, Camouflage, And Targets (AREA)
Abstract
Anti- the invention discloses a kind of W type shield body cuts type shield, including shield ontology, hand-held handle, protection pad, elbow locking and fixing device, the shield ontology includes shield ontology front and the shield ontology back side, the protection pad is connect with the shield ontology back side, the hand-held handle and the elbow locking and fixing device pass through protection pad and connect with shield ontology, wherein, shield ontology front includes shield ridge, shield front, shield side and shield bottom, the shield ridge extends laterally to shield bottom composition shield front, and shield ridge when being laterally extended height gradually decrease；The shield ridge extends composition shield side along shield ontology back side direction, and the shield ridge, shield front and shield side are arranged symmetrically along shield lower shaft line, and the shield ridge surface setting is anti-to cut item.This shield can resist the strike of liquid, thrower and cutter etc., have both attack and defense function.
Description
Technical field
The present invention relates to a kind of shield, in particular to the anti-police shield for cutting function of a kind of band.
Background technique
Shield is a kind of ancient defensive weapons, and soldier's hand, which holds shield, can effectively block the weapons of enemy, and protection is certainly
Body life security.In fighting in ancient times, either in history, shield is all a kind of tactics for China, ancient Greek or ancient Roman
The very important weapons of purposes and be developed so far always.Although nowadays splendidness of the shield in military use has not existed,
Shield but shines life new out in modern police fields.Under the big atmosphere that current world structure tends to peace, scale war
A possibility that striving generation is little, and the individual criminal activity of interior of country takes place frequently repeatedly, therefore the person peace that policeman is faced
Full problem is stood in the breach, and police shield plays a very important role in singly alert protection field at this time.
The shield of modern police fields, in police's law enforcement, crowd and low intensive conflict in face of riot,
Shield is known as embodying the effective tool that police enforces the law in a civilized manner.
Modern police shield mainly will receive following several attack patterns when under attack:
1, the instruments type objects such as cutter are attacked: when criminal implements such attack, being waved generally by knife etc. is held
It hits, hit shield face or stab to shield face.For the prior art when cutting attack for knife, usually in the shield head position of shield, setting is anti-
Item is cut, is destroyed when being avoided that shield in this way by longitudinal hit, but this is arranged the anti-mode for cutting item in shield head position, no
Lateral or oblique hit can be protected, the shield face of the positive large area of shield cannot be protected, and shield is be easy to cause to damage
And personal injury.
2, the throwings type objects such as slungshot, brick are attacked: when criminal implements such attack, usually taking direct throwing
Means, law-executor will be thrown to by slungshot, brick.In face of such attack, the shield for the prior art that law-executor uses is general
Injury of the throwing object to shield personnel are held can be resisted, but since shield surface is plane or arc surface, thrower is in shield face
The irregular sliding of meeting, the thrower of deflecting easily cause the injury of other law enfrocement officials of collaboration instead.
3, flammable, corrosion class I liquid I attack: when criminal implements such attack, the hand of direct throwing is usually taken
Flammable, corrosion class I liquid I is thrown to law-executor by section.In face of such attack, the shield for the prior art that law-executor uses generally may be used
To resist direct injury of the throwing liquid to shield personnel are held, but since shield surface is plane or arc surface, throwing liquid is in shield
The irregular splashing of meeting on face, deflecting, throwing liquid easily cause the injury of other law enfrocement officials of collaboration instead.
Furthermore when as weapon attacking criminal, also seem the shield of the prior art scarce capacity, and majority is all single
Pure protection instrument, it would be highly desirable to enhance its attacking ability, realize the effect having conditions in both attack and defence.
Summary of the invention
The technical problem to be solved by the present invention is to overcome the existing defects, provides a kind of the anti-of W type shield body and cuts type shield, can
Effectively to solve the problems in background technique.
In order to solve the above-mentioned technical problems, the present invention provides the following technical solutions:
A kind of the anti-of W type shield body cuts type shield, including shield ontology, hand-held handle, protection pad, elbow locking and fixing device,
The shield ontology includes shield ontology front and the shield ontology back side, and the protection pad is connect with the shield ontology back side, institute
It states hand-held handle and the elbow locking and fixing device passes through protection pad and connect with shield ontology, wherein the shield ontology front
Comprising shield ridge, shield front, shield side and shield bottom, the shield ridge extends laterally to shield bottom composition shield front,
And shield ridge when being laterally extended height gradually decrease；The shield ridge extends composition shield side along shield ontology back side direction,
The shield ridge, shield front and shield side are arranged symmetrically along shield lower shaft line, and the shield ridge surface setting is anti-to cut item.
A preferred technical solution, wherein shield ontology front also includes protection board, and the protection board setting exists
Shield front top and with extend laterally to shield ridge.
A preferred technical solution, wherein the shield ridge and protection plate surface setting are prevented cutting item, the shield ontology
It further include shield head, the shield head surface, which is also provided with, to be prevented cutting item.
A preferred technical solution, wherein the shield front includes the first guide groove, and first guide groove includes
Trough, groove body and slot tail, the trough intersect at shield ridge, and the slot tail intersects at shield bottom, from trough along shield front table
Face extends to slot tail composition groove body.
A preferred technical solution, wherein the groove body is laterally extended along trough to slot tail；Another optional technology
Scheme, the groove body extend along trough to slot tail obliquely.
A preferred technical solution, wherein first guide groove is V-groove or U-type groove, and continuous described first leads
Fold face is formed to slot.
A preferred technical solution, wherein the shield bottom also includes the second guide groove, and second guide groove is along shield
Board lower shaft line is vertically arranged.
A preferred technical solution, wherein second guide groove includes channel opening and slot bottom, the trough aperture dimension
Less than slot bottom size.Another optional technical solution, second guide groove include channel opening and slot bottom, the channel opening ruler
It is very little to be greater than or equal to slot bottom size.
The beneficial effects obtained by the present invention are as follows being:
The defence to all kinds of attack objects may be implemented in the shield of this kind of W type shield body, specific as follows:
1, to slungshot, the attacks such as throwers such as brick have good protection effect, and the main shield ontology by W type is just
The cooperation in face, the first guide groove and the second guide groove can effectively intercept thrower, slide thrower along the second guide groove,
Guarantee law enfrocement official itself and cooperates with the safety of personnel；The second guide groove can also be arranged to counterattack mode simultaneously, it can be right
Attack personnel form deterrence；
2, there is good protection effect to attacks such as flammable liquid or corrosive liquids, the main shield sheet for passing through W type
The cooperation in body front, protection board, the first guide groove and the second guide groove can effectively avoid liquid towards the two sides and top of shield
Side is splashed, and is guaranteed law enfrocement official itself and is cooperateed with the safety of personnel；
3, there is good protection effect to attacks such as tool types, mainly pass through the positive shield of shield ontology in W type
The ridge and setting of shield head is anti-cuts item, either laterally hit in this way, it is longitudinal hit or oblique hit can be carried out defending, effectively
Ward is not damaged, and guarantees law enfrocement official's safety；
Detailed description of the invention
Attached drawing is used to provide further understanding of the present invention, and constitutes part of specification, with reality of the invention
It applies example to be used to explain the present invention together, not be construed as limiting the invention.
In the accompanying drawings:
Fig. 1 is shield front view described in the embodiment of the present invention 1；
Fig. 2 is shield top view described in the embodiment of the present invention 1；
Fig. 3 is shield bottom view described in the embodiment of the present invention 1；
Fig. 4 is the 3-3 cross-sectional view that the embodiment of the present invention 1 is directed to Fig. 1；
Fig. 5 is the movement locus schematic diagram of thrower described in the embodiment of the present invention 1, liquid insults object；
Fig. 6 is the second guide groove schematic diagram described in the embodiment of the present invention 2；
Fig. 7 is anti-described in the embodiment of the present invention 3 to cut type shield ridge front view；
Fig. 8 is anti-described in the embodiment of the present invention 3 to cut type shield ridge top view；
Figure label: 1, shield ontology；2, protection pad；3, elbow locking and fixing device；4, handle is held；10, shield ontology
Front；100, shield front；101, the first guide groove；101a, trough；101b, groove body；101c, slot tail；102, shield ridge；
103, shield bottom；103a, shield lower shaft line;104, shield side；105, protection board；106, the second guide groove；106a, slot are opened
Mouthful；106b, slot bottom；107, prevent cutting item；110, the first trajectory diagram；120, the second trajectory diagram；20, the shield ontology back side；30, shield
Head.
Specific embodiment
Hereinafter, preferred embodiments of the present invention will be described with reference to the accompanying drawings, it should be understood that preferred reality described herein
Apply example only for the purpose of illustrating and explaining the present invention and is not intended to limit the present invention.
Embodiment 1: as shown in Figs 1-4, a kind of the anti-of W type shield body cuts type shield, including shield ontology 1, hand-held handle 4,
Protection pad 2 and elbow locking and fixing device 3, the shield ontology 1 includes shield ontology front 10 and the shield ontology back side 20, described
Protection pad 2 is connect with the shield ontology back side 20, the hand-held handle 4 and the elbow locking and fixing device 3 pass through protection pad 2 with
Shield ontology 1 connects, wherein the shield ontology front 10 includes shield ridge 102, shield front 100,104 and of shield side
Shield bottom 103, the shield ridge 102 extends laterally to shield bottom 103 and forms shield front 100, and shield ridge 102 is laterally extended
Shi Gaodu is gradually decreased, and height described herein is defined as the distance that protection pad 2 is arrived in shield front 100.The shield ridge 102 is along shield
20 direction of the ontology back side extends composition shield side 104, and the shield side 104 is also possible to along 20 direction of the shield ontology back side
Tiltedly extends outwardly or extend in the diagonal.
As shown in figs. 1 and 4, the shield ridge 102, shield front 100 and shield side 104 are along shield lower shaft line 103a axis
To being arranged symmetrically, and form the shield ontology front 10 of W type；The outer side edges of the shield side 104 composition W type of two sides, institute
2 vertex positions that shield ridge 102 is W type bottom are stated, two shield fronts 100 and shield bottom 103 form W type together
The inverted V type side of middle section.When encountering attack, the shield front 100 of inverted V type side position can be resisted to be attacked for positive
It hits, and attack object is received into 103 position of shield bottom, and fall into ground, not will cause and hold the two of shield personnel or collaboration personnel
Secondary injury, and the shield side 104 in the shield ontology front 10 of W type can resist the attack for shield side, protection staff
Safety.
A preferred technical solution, the shield front 100 includes the first guide groove 101, first guide groove 101
Shield ridge 102, the slot tail 101c intersection are intersected at comprising trough 101a, groove body 101b and slot tail 101c, the trough 101a
In shield bottom 103, the trough 101a extends to slot tail 101c composition groove body 101b, the groove body along positive 100 surfaces of shield
101b is laterally extended along trough 101a to slot tail 101c.First guide groove 101 can increase the guiding role in shield front 100,
It is oriented to by the first guide groove 101, attack object is pooled to shield bottom 103, and fall into ground, not will cause and hold shield personnel
Or the secondary injury of collaboration personnel.
Another preferred technical solution；The shield front 100 includes the first guide groove 101, first guide groove
101 intersect at shield ridge 102, the slot tail 101c phase comprising trough 101a, groove body 101b and slot tail 101c, the trough 101a
Shield bottom 103 is met at, the trough 101a extends to slot tail 101c composition groove body 101b, the slot along positive 100 surfaces of shield
Body 101b extends along trough 101a to slot tail 101c obliquely.First guide groove 101 is laterally extended to be conducive to be oriented to,
And extend the first guide groove 101 obliquely since gravity is more preferable than 101 guide effect of the first guide groove being laterally extended.
Another preferred technical solution, wherein first guide groove 101 is set as V-groove or U-type groove, if involvement
Continuous first guide groove 101 forms fold face.It may occur to persons skilled in the art that the fold face of the V-type can be complete
Continuously, it is also possible to intermittent.The continuous V-shaped of the left and right sides or U-shaped fold face are not only overall beautiful, have deterrent force.Nothing
By being attacked in face of club, the throwers such as stone attack or when liquid insults can be conducive to shield front 100 and form various dimensions
Fold face, realize comprehensively covering, full protection.
Another preferred technical solution, wherein the shield bottom 103 includes also the second guide groove 106, and described second leads
It is vertically arranged along shield lower shaft line 103a to slot 106.Second guide groove 106 includes channel opening 106a and slot bottom 106b, institute
Channel opening 106a size is stated more than or equal to slot bottom 106b size, second guide groove 106 can be U-type groove or V-groove,
It can be polygon groove.Second guide groove 106 can both be oriented to attack object such as slungshot, liquid etc., it is fallen
It to ground, avoids hurting and holds shield personnel, simultaneously because can use the channel opening 106a size more than or equal to slot bottom
106b size carries out rebound stone, strikes back attacker.
Another preferred technical solution, wherein shield ontology front 10 also includes protection board 105, the protection
Plate 105 be arranged in 100 top of shield front and with the shield ridge 102 that extends laterally to two sides.Protection board 105 can be with barrier liquid
Or thrower, by 100 top rebound of shield front to shield rear, shield personnel are held in protection.
Specifically, as shown in figure 5, holding shield personnel can be according to thrower or liquid when encountering thrower or liquid insults
The attack movement locus of object such as body is met head-on using shield front 100, when attacking object is thrower, by taking stone as an example.
In stone attack to shield front 100, due to the structure in shield front 100 and the composition V-type of shield bottom 103, shield front 100
It is made of the first guide groove 101, so stone can touch the first guide groove 101 first, since the position of contact is different, so
Curve movement is also different, wherein it is a kind of more common form that the first motion profile 110, which carries out movement, such as the first movement rail
Mark 110, stone is slided along the first guide groove 101 from trough 101a to slot tail 101c in the first guide groove 101, and drops into the
In two guide grooves 106, since second guide groove 106 includes channel opening 106a and slot bottom 106b, the channel opening 106a ruler
Very little to be greater than or equal to slot bottom 106b size, second guide groove 106 may be U-type groove or V-groove, so described in sliding at this time
The thrower of second guide groove 106 can be rebounded back along the second guide groove 106 in front of shield front 100, can strike back attacker；
When attacking object is liquid, on liquid insults to shield front 100, since shield front 100 is led by first
It is formed to slot 101, so liquid can touch the first guide groove 101 first, due to positive 103 groups of the 100 shield bottom of two shields
At V-type face and shield front 100 top be arranged protection board 105, so before liquid portion can be splashed to shield front 100
Side, partially liq can be moved along the second motion profile 120, liquid in the first guide groove 101 along the first guide groove 101 from
Trough 101a is slided to slot tail 101c, and is dropped into the second guide groove 106 and fallen into ground along the second guide groove 106, can
Effectively to avoid liquid from splashing towards the two sides of shield and top side, shield personnel and collaboration personnel are held in protection well.
Embodiment 2
As shown in figures 1 to 6, the present embodiment provides on the basis of implementing 1 for the structure of the second guide groove 106
Another preferred technical solution, the content having been described in embodiment 1, is not repeated in the present embodiment.Wherein, the shield
Board bottom 103 also includes the second guide groove 106, and second guide groove 106 is vertically arranged along shield lower shaft line 103a.Described second
Guide groove 106 include channel opening 106a and slot bottom 106b, the channel opening 106a size be less than slot bottom 106b size, described second
Guide groove 106 can be concave slot or dovetail groove or bag-shaped slot, be also possible to polygon groove.With described in previous embodiment 1
Channel opening 106a size described in two guide grooves is compared more than or equal to the case where slot bottom 106b size, this technical solution is mainly needle
Capture interception is carried out to thrower, since the channel opening 106a size is less than slot bottom 106b size, it is possible to preferably make
Thrower is limited in collided in the second guide groove 106 after slide, and eventually fall in ground, motion profile is similar to the second fortune
Dynamic rail mark 120, is not repeated herein.The technical program can effectively intercept thrower, avoid hurting and hold shield personnel, with reality
It is more preferable compared to its capture interception effect to apply example 1.
Embodiment 3
As Figure 7-8, the present embodiment on the basis of embodiment 1, provides another preferably for shield ridge 102
Technical solution.The content having been described in embodiment 1 is not repeated in the present embodiment.Wherein, the shield ridge 102 and guarantor
The setting of 105 surface of backplate is anti-to cut item 107, and the shield ontology 1 further includes shield head 30, and 30 surface of shield head, which is also provided with, prevents cutting item
107, the anti-item 107 of cutting be attached with corresponding part by the prior art manners such as bonding or screw connection,
It is described it is anti-cut that item 107 is flexible or semi-rigid material composition, such as high-intensitive rubber material can be resisted effectively and be hit.
Specifically, when encounter cutter it is lateral or it is slanting hit when, since the shield ridge 102 is the shield of W type shield
The highest point in ontology front 10, so preventing that cut item 107 touches cutter at first, is avoiding shield just in the setting of 102 surface of shield ridge
Face 100 and shield side 104 are destroyed by cutter；And when encountering cutter and longitudinally hitting, due to 105 table of shield head 30 and protection board
Face setting is anti-to cut item, it is possible to which effective defence is longitudinal to be hit, Ward and the safety for holding shield personnel.The present invention can be with
Resist hitting for different directions.
Finally, it should be noted that the foregoing is only a preferred embodiment of the present invention, it is not intended to restrict the invention,
Although the present invention is described in detail referring to the foregoing embodiments, for those skilled in the art, still may be used
To modify the technical solutions described in the foregoing embodiments or equivalent replacement of some of the technical features.
All within the spirits and principles of the present invention, any modification, equivalent replacement, improvement and so on should be included in of the invention
Within protection scope.
Claims (6)
1. a kind of the anti-of W type shield body cuts type shield, including shield ontology, hand-held handle, protection pad, elbow locking and fixing device, institute
Stating shield ontology includes shield ontology front and the shield ontology back side, and the protection pad is connect with the shield ontology back side, described
Hand-held handle and the elbow locking and fixing device pass through protection pad and connect with shield ontology, it is characterised in that: the shield ontology
Front includes shield ridge, shield front, shield side and shield bottom, and the shield ridge is extending laterally to shield bottom composition shield just
Face, and height gradually decreases when shield ridge is laterally extended；The shield ridge extends composition shield side along shield ontology back side direction
Face, the shield ridge, shield front and shield side are arranged symmetrically along shield lower shaft line, and the shield ridge surface setting is anti-to cut
Item；
The shield front of inverted V type includes the first guide groove, and first guide groove includes trough, groove body and slot tail, described
Trough intersects at shield ridge, and the slot tail intersects at shield bottom, extends to slot tail composition groove body from trough along shield front face surface,
The groove body extends along trough to slot tail obliquely；The shield bottom includes the second guide groove, and second guide groove is along shield
Lower shaft line is vertically arranged；The shield includes counterattack mode or trap mode.
2. the anti-of a kind of W type shield body according to claim 1 cuts type shield, which is characterized in that the shield ontology front
It also include protection board, the protection board, which is arranged at the top of shield front and is laterally extended, intersects at shield ridge.
3. the anti-of a kind of W type shield body according to claim 2 cuts type shield, which is characterized in that the protection plate surface is set
It sets and prevents cutting item, the shield ontology further includes shield head, and the shield head surface, which is also provided with, to be prevented cutting item.
4. the anti-of a kind of W type shield body according to claim 1 cuts type shield, which is characterized in that first guide groove is V
Type groove or U-type groove, continuous first guide groove form fold face.
5. the anti-of a kind of W type shield body according to claim 1 cuts type shield, which is characterized in that the second guide groove packet
Containing channel opening and slot bottom, the trough aperture dimension is less than slot bottom size.
6. the anti-of a kind of W type shield body according to claim 1 cuts type shield, which is characterized in that the second guide groove packet
Containing channel opening and slot bottom, the trough aperture dimension is greater than or equal to slot bottom size.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710125761.3A CN106895746B (en) | 2017-03-05 | 2017-03-05 | A kind of the anti-of W type shield body cuts type shield |
| CN201811228905.9A CN109238016B (en) | 2017-03-05 | 2017-03-05 | Anti-chopping shield with transversely extending groove body |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710125761.3A CN106895746B (en) | 2017-03-05 | 2017-03-05 | A kind of the anti-of W type shield body cuts type shield |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811228905.9A Division CN109238016B (en) | 2017-03-05 | 2017-03-05 | Anti-chopping shield with transversely extending groove body |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106895746A CN106895746A (en) | 2017-06-27 |
| CN106895746B true CN106895746B (en) | 2019-04-26 |
Family
ID=59185076
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710125761.3A Active CN106895746B (en) | 2017-03-05 | 2017-03-05 | A kind of the anti-of W type shield body cuts type shield |
| CN201811228905.9A Expired - Fee Related CN109238016B (en) | 2017-03-05 | 2017-03-05 | Anti-chopping shield with transversely extending groove body |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811228905.9A Expired - Fee Related CN109238016B (en) | 2017-03-05 | 2017-03-05 | Anti-chopping shield with transversely extending groove body |
Country Status (1)
| Country | Link |
|---|---|
| CN (2) | CN106895746B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108317902A (en) * | 2018-03-30 | 2018-07-24 | 郑州爱派科技有限公司 | A kind of high intensity and portable police shield |
| CN108387143A (en) * | 2018-04-24 | 2018-08-10 | 河南中泰警用装备科技有限公司 | The police protection shield wall of removable multi-functional |
| CN108398054A (en) * | 2018-04-24 | 2018-08-14 | 河南中泰警用装备科技有限公司 | Multifunctional police protection shield wall |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1438109A (en) * | 1921-07-12 | 1922-12-05 | Thomas H Schrider | Shield |
| US20120180635A1 (en) * | 2008-01-08 | 2012-07-19 | Teddy Garcia | Handheld protective shield entrapment device |
| CN102661678B (en) * | 2012-05-25 | 2014-12-31 | 中国人民武装警察部队后勤学院附属医院 | Foldable bulletproof mobile position for street fighting |
| CN104315924B (en) * | 2014-10-15 | 2015-12-09 | 江苏无畏警用装备制造有限公司 | Folding handle shield |
| CN206618329U (en) * | 2017-03-05 | 2017-11-07 | 成都爱可信科技有限公司 | A kind of the anti-of W types shield body cuts type shield |
-
2017
- 2017-03-05 CN CN201710125761.3A patent/CN106895746B/en active Active
- 2017-03-05 CN CN201811228905.9A patent/CN109238016B/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN109238016B (en) | 2020-08-14 |
| CN106895746A (en) | 2017-06-27 |
| CN109238016A (en) | 2019-01-18 |
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Effective date of registration: 20191209 Address after: Wuhe County 233300 Anhui city of Bengbu province Huaihe road general merchandise company commercial building East Second Patentee after: BENGBU ZHIDA TECHNOLOGY CONSULTING CO., LTD. Address before: 610000 No. 6, No. 505, D zone, Tianfu Software Park, 599 century South Road, Tianfu District, Chengdu, Sichuan Patentee before: Chengdu Science and Technology Ltd. of ACCESS |