CN204492382U - A kind of prized up-proof door with enhanced anti-theft device - Google Patents
A kind of prized up-proof door with enhanced anti-theft device Download PDFInfo
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- CN204492382U CN204492382U CN201420837612.1U CN201420837612U CN204492382U CN 204492382 U CN204492382 U CN 204492382U CN 201420837612 U CN201420837612 U CN 201420837612U CN 204492382 U CN204492382 U CN 204492382U
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Abstract
With a prized up-proof door for enhanced anti-theft device, relate to prized up-proof door technical field.Current main lock tongue still can be pried open by the instrument of crowbar and so on by force, makes it lose pick-proof, and secure context also exists certain hidden danger.The utility model comprises the master lock being placed in door leaf unlatching limit and the master lock lock hole element be arranged on doorframe, it is characterized in that: master lock comprises master lock tongue and master lock body, described master lock tongue comprises the first master lock tongue and the second master lock tongue, the master lock panel of described master lock body is stepped, comprise the first master lock panel part and the second master lock panel part, the first described master lock panel part extends back and forms the anti-skid plate of master lock that is positioned at outside the second master lock panel part, at closing time, the anti-skid plate of described master lock inserts master lock lock hole element.The anti-skid plate of the technical program inserts master lock lock hole element, is cut to the passage of the first master lock to the second master lock, makes the instruments such as crowbar directly can not carry out violence unlatching to the second master lock, strengthen antitheft.
Description
Technical field
The utility model relates to prized up-proof door technical field, the prized up-proof door particularly with Lock protector.
Background technology
Existing prized up-proof door lockset is mostly single multidirectional lock, form by master lock with the secondary lock of its interlock, pick-proof is improve relative to common Men Eryan, but when its master lock tongue is pried open, just its pick-proof is lost with the secondary lock tongue of its interlock, for above-mentioned weak point, I has a kind of prized up-proof door patent of double band Lock protector: a kind of band protect lock anti-picking device prized up-proof door (patent No. is 200620108699.4) it overcome single lock master lock tongue preferably when being pried open, secondary lock tongue just loses the problem of its pick-proof, improve safety, but in protection dead bolt and lock body work, also come with some shortcomings part, main lock tongue still can be pried open by the instrument of crowbar and so on by force, it is made to lose pick-proof, also there is certain hidden danger in secure context.
Summary of the invention
The technical assignment of the technical problem to be solved in the present invention and proposition carries out improving to prior art and improves, and provides a kind of prized up-proof door with enhanced anti-theft device, to reach the object strengthening pick-proof.For this reason, the present invention takes following technical scheme.
A kind of prized up-proof door with enhanced anti-theft device, comprise and be placed in the master lock that limit opened by door leaf and the master lock lock hole element be arranged on doorframe, it is characterized in that: master lock comprises master lock tongue and master lock body, described master lock tongue comprises the first master lock tongue and the second master lock tongue, the master lock panel of described master lock body is stepped, comprise the first master lock panel part and the second master lock panel part, first master lock panel part is positioned at the front of the second master lock panel part, and the first master lock panel part is higher than the second master lock panel part, the first described master lock panel part offers the first master lock tongue apertures matched with the first master lock tongue, the second described master lock panel part offers the second master lock tongue apertures matched with the second master lock tongue, the first described master lock panel part extends back and forms the anti-skid plate of master lock that is positioned at outside the second master lock panel part, the anti-skid plate of described master lock offers the through hole relative with the second master lock tongue apertures, described master lock lock hole element in master lock panel part match stepped, comprise the first master lock lock hole part, be positioned at the first master lock lock hole part rear and higher than the second master lock lock hole part of the first master lock lock hole part, the first described master lock lock hole part offers the first master lock lockhole matched with the first master lock tongue, the second described master lock lock hole part offers the second master lock lockhole matched with the second master lock tongue, at closing time, the anti-skid plate of described master lock inserts master lock lock hole element.Anti-skid plate inserts master lock lock hole element, be cut to the passage of the first master lock to the second master lock, and the second master lock panel part is lower than the first master lock panel part, makes the instruments such as crowbar directly can not carry out violence unlatching to the second master lock, strengthen antitheft.
As improving further and supplementing technique scheme, the present invention also comprises following additional technical feature.
The end of the second described master lock tongue is provided with the anti-pry head of master lock of evagination, the inner side of the second master lock lock hole part of master lock lock hole element is provided with master lock pick-proof parts, master lock pick-proof parts offer the master lock pick-proof hole that the anti-pry head with master lock matches, after second master lock tongue inserts master lock pick-proof hole, master lock pick-proof parts are positioned at outside the anti-pry head of master lock, rotate master lock anti-pry head and the anti-pry head of master lock can be offseted with the inwall of master lock pick-proof parts.Set up the anti-pry head of master lock, when prizing, the anti-pry head of master lock will drive master lock pick-proof part distortion, reduce and prize space, strengthen antitheft further.
The second described master lock tongue is cylindric, and the anti-pry head of described master lock is provided with lug, and the distance in lug to the second master lock tongue axle center is greater than the radius of the second master lock tongue.
The anti-pry head of described master lock is provided with the lug of two symmetries, and the distance between lug is greater than the diameter of the second master lock tongue; The anti-pry head of described master lock is fixed on the outer end of the second master lock tongue by connector.The anti-pry head of master lock is connected by connector with the second master lock tongue, the anti-pry head of master lock and the second master lock tongue split, and convenient processing, reduces costs.
The end of the first described master lock tongue is provided with the anti-pry head of master lock of evagination, after first master lock tongue inserts the first master lock lockhole, first master lock lock hole part is positioned at outside the anti-pry head of master lock, rotates master lock anti-pry head and the anti-pry head of master lock can be offseted with the inwall of the first master lock lock hole part.First master lock tongue establishes the anti-pry head of master lock, and when prizing, the first master lock lock hole part interlock distortion, prizing space increases limited, increases antitheft ability.
Described master lock panel is provided with one and ranked first master lock tongue and and ranked second master lock tongue, and at least one second master lock tongue is provided with the anti-pry head of master lock.Master lock panel is established multiple the first master lock tongue in a row and the second master lock tongue, increase the intensity of lock.
Also comprise and be placed in the secondary lock that limit opened by door leaf and the secondary lock lock hole element be arranged on doorframe, secondary lock comprises secondary lock tongue and auxiliary lock body, described secondary lock tongue comprises the first secondary lock tongue and the second secondary lock tongue, the secondary lock panel of described auxiliary lock body is stepped, comprise the first secondary lock panel part and the second secondary lock panel part, first secondary lock panel part is positioned at the front of the second secondary lock panel part, and the first secondary lock panel part is higher than the second secondary lock panel part, the first described secondary lock panel part offers the first secondary lock tongue apertures matched with the first secondary lock tongue, the second described secondary lock panel part offers the second secondary lock tongue apertures matched with the second secondary lock tongue, the first described secondary lock panel part extends back and forms the anti-skid plate of secondary lock that is positioned at outside the second secondary lock panel part, the anti-skid plate of described secondary lock offers the through hole relative with the second secondary lock tongue apertures, described secondary lock lock hole element in secondary lock panel part match stepped, comprise the first secondary lock lock hole part, be positioned at the first secondary lock lock hole part rear and higher than the second secondary lock lock hole part of the first secondary lock lock hole part, the first described secondary lock lock hole part offers the first secondary lock lockhole matched with the first secondary lock tongue, the second described secondary lock lock hole part offers the second secondary lock lockhole matched with the second secondary lock tongue, at closing time, the anti-skid plate of described secondary lock inserts secondary lock lock hole element.Secondary lock and master lock interlock, the secondary lock of setting up strengthens the intensity of door lock further, improves anti-theft feature.
Described master lock pick-proof parts are in " ┛ " shape, and its two ends are connected with master lock lock hole element respectively, form the anti-skid plate container cavity of master lock of rectangle, and described master lock anti-skid plate container cavity is provided with opening forward for inserting the anti-skid plate of master lock.
Described master lock is mechanical lock or automatic locking.
The front end of described doorframe stretch out backward after be bent to form " 7 " pick-proof stiffened edge, described doorframe is provided with " U " shape safety groove matched with pick-proof stiffened edge, and safety groove makes pick-proof stiffened edge insert in safety groove to open front.Have additional pick-proof stiffened edge, make the gap of door and doorframe be bending labyrinth type, avoid prying into of straight rod etc., without strong origin of force, raising prizes.
Beneficial effect: the technical program sets up anti-skid plate, anti-skid plate inserts master lock lock hole element, be cut to the passage of the first master lock to the second master lock, and the second master lock panel part is lower than the first master lock panel part, make the instruments such as crowbar directly can not carry out violence unlatching to the second master lock, strengthen antitheft.
Accompanying drawing explanation
Fig. 1 is the assembly structure schematic diagram of the utility model master lock.
Fig. 2 is the assembly structure schematic diagram of the utility model secondary lock.
Fig. 3 is the structural representation of the utility model master lock.
Fig. 4 is a kind of perspective view of the utility model master lock.
Fig. 5 is the another kind of perspective view of the utility model master lock.
In figure: 1-door leaf; 2-master lock; 3-doorframe; 4-master lock lock hole element; 5-first master lock tongue; 6-second master lock tongue; 7-master lock panel; The anti-skid plate of 8-master lock; 9-master lock pick-proof parts; The anti-pry head of 10-master lock; 11-safety groove; 12-secondary lock; 13-secondary lock lock hole element; 14-first secondary lock tongue; 15-second secondary lock tongue; 16-secondary lock panel; The anti-skid plate of 17-secondary lock; 18-pick-proof stiffened edge.
Detailed description of the invention
Below in conjunction with Figure of description, technical scheme of the present invention is described in further detail.
As Fig. 1, 3, shown in 4, the utility model comprises and is placed in the master lock 2 that limit opened by door leaf 1 and the master lock lock hole element 3 be arranged on doorframe 3, master lock 2 comprises master lock tongue and master lock 2 body, described master lock tongue comprises the first master lock tongue 5 and the second master lock tongue 6, the master lock panel 7 of described master lock 2 body is stepped, comprise the first master lock panel part and the second master lock panel part, first master lock panel part is positioned at the front of the second master lock panel part, and the first master lock panel part is higher than the second master lock panel part, the first described master lock panel part offers the first master lock tongue 5 hole matched with the first master lock tongue 5, the second described master lock panel part offers the second master lock tongue apertures matched with the second master lock tongue 6, the first described master lock panel part extends back and forms the anti-skid plate 8 of master lock that is positioned at outside the second master lock panel part, the anti-skid plate of described master lock 8 offers the through hole relative with the second master lock tongue apertures, described master lock lock hole element 3 in master lock panel part match stepped, comprise the first master lock lock hole part, be positioned at the first master lock lock hole part rear and higher than the second master lock lock hole part of the first master lock lock hole part, the first described master lock lock hole part offers the first master lock lockhole matched with the first master lock tongue 5, the second described master lock lock hole part offers the second master lock lockhole matched with the second master lock tongue 6, at closing time, the anti-skid plate 8 of described master lock inserts master lock lock hole element 3.Described master lock 2 is mechanical lock or automatic locking.
Prizing space for reducing, strengthening antitheft further.The end of the second described master lock tongue 6 is provided with the anti-pry head 10 of master lock of evagination, the inner side of the second master lock lock hole part of master lock lock hole element 3 is provided with master lock pick-proof parts 9, master lock pick-proof parts 9 offer the master lock pick-proof hole that the anti-pry head 10 with master lock matches, after second master lock tongue 6 inserts master lock pick-proof hole, master lock pick-proof parts 9 are positioned at outside the anti-pry head 10 of master lock, rotate the anti-pry head of master lock 10 and the anti-pry head 10 of master lock can be offseted with the inwall of master lock pick-proof parts 9.
For convenience of rotating, the cooperation space between minimizing, the second described master lock tongue 6 is in cylindric, and the anti-pry head 10 of described master lock is provided with lug, and the distance in lug to the second master lock tongue 6 axle center is greater than the radius of the second master lock tongue 6.
For uniform force, the anti-pry head 10 of described master lock is provided with the lug of two symmetries, and the distance between lug is greater than the diameter of the second master lock tongue 6.
For convenience of processing, reduce costs, the anti-pry head 10 of master lock and the second master lock tongue 6 split, the anti-pry head 10 of described master lock is fixed on the outer end of the second master lock tongue 6 by connector.The anti-pry head 10 of master lock is connected by connector with the second master lock tongue 6.
For increasing the intensity of lock, described master lock panel 7 is provided with one and ranked first master lock tongue 5 and and ranked second master lock tongue 6, and at least one second master lock tongue 6 is provided with the anti-pry head 10 of master lock.
Described master lock pick-proof parts 9 are in " ┛ " shape, and its two ends are connected with master lock lock hole element 3 respectively, the anti-skid plate container cavity of master lock of formation rectangle, and described master lock anti-skid plate container cavity is provided with opening forward for inserting the anti-skid plate 8 of master lock.
Door leaf 1 gap is pried into for what avoid straight rod etc., the front end of described doorframe 3 stretch out backward after be bent to form " 7 " pick-proof stiffened edge 18, described doorframe 3 is provided with " U " shape safety groove 11 matched with pick-proof stiffened edge 18, and safety groove 11 makes pick-proof stiffened edge 18 insert in safety groove 11 to open front.Have additional pick-proof stiffened edge 18, make the gap of door and doorframe 3 be bending labyrinth type, avoid prying into of straight rod etc., without strong origin of force, raising prizes.
As shown in Figure 5, for antitheft further, the end of the first described master lock tongue 5 is provided with the anti-pry head 10 of master lock of evagination, after first master lock tongue 5 inserts the first master lock lockhole, first master lock lock hole part is positioned at outside the anti-pry head 10 of master lock, rotates the anti-pry head of master lock 10 and the anti-pry head 10 of master lock can be offseted with the inwall of the first master lock lock hole part.First master lock tongue 5 establishes the anti-pry head 10 of master lock, and when prizing, the first master lock lock hole part interlock distortion, prizing space increases limited, increases antitheft ability.
As shown in Figure 2, for avoiding the damage because of master lock 2, and the door leaf 1 that is unlocked, also comprise and be placed in the secondary lock 12 that limit opened by door leaf 1 and the secondary lock lock hole element 13 be arranged on doorframe 3, secondary lock 12 comprises secondary lock tongue and auxiliary lock body, described secondary lock tongue comprises the first secondary lock tongue 14 and the second secondary lock tongue 15, the secondary lock panel 16 of described auxiliary lock body is stepped, comprise the first secondary lock panel part and the second secondary lock panel part, first secondary lock panel part is positioned at the front of the second secondary lock panel part, and the first secondary lock panel part is higher than the second secondary lock panel part, the first described secondary lock panel part offers the first secondary lock tongue 14 hole matched with the first secondary lock tongue 14, the second described secondary lock panel part offers the second secondary lock tongue apertures matched with the second secondary lock tongue 15, the first described secondary lock panel part extends back and forms the anti-skid plate 17 of secondary lock that is positioned at outside the second secondary lock panel part, the anti-skid plate of described secondary lock 17 offers the through hole relative with the second secondary lock tongue apertures, described secondary lock lock hole element 13 in secondary lock panel part match stepped, comprise the first secondary lock lock hole part, be positioned at the first secondary lock lock hole part rear and higher than the second secondary lock lock hole part of the first secondary lock lock hole part, the first described secondary lock lock hole part offers the first secondary lock lockhole matched with the first secondary lock tongue 14, the second described secondary lock lock hole part offers the second secondary lock lockhole matched with the second secondary lock tongue 15, at closing time, the anti-skid plate 17 of described secondary lock inserts secondary lock lock hole element 13.Secondary lock 12 and master lock 2 interlock, the secondary lock 12 of setting up strengthens the intensity of door lock further, improves anti-theft feature.
Equally, secondary lock 12 pick-proof parts are in " ┛ " shape, and its two ends are connected with secondary lock lock hole element 13 respectively, secondary lock anti-skid plate 17 container cavity of formation rectangle, and described secondary lock anti-skid plate 17 container cavity is provided with opening forward for inserting the anti-skid plate 17 of secondary lock.
When using key rotation lock core, second master lock tongue 6 can successively through master lock lock hole element 3, the anti-skid plate 8 of master lock, master lock pick-proof parts 9, the master lock anti-pry head 10 part 90-degree rotation on its top after second master lock tongue 6 stretches out completely, now door leaf 1 finally closes, when there being the instrument of crowbar and so on to be inserted from door leaf 1 front by the gap between door leaf 1 and doorframe 3, the anti-skid plate 8 of master lock plays barrier effect, the instruments such as crowbar cannot be goed deep into further, even if crowbar avoids master lock, anti-skid plate 8 prizes the second master lock tongue 6, the lug on master lock anti-pry head 10 both sides is due to through 90-degree rotation, both sides lug can be tightly stuck with master lock pick-proof parts 9, when master lock pick-proof parts 9 lost efficacy, both sides lug then with master lock anti-skid plate 8 tightly stuck, when master lock pick-proof parts 9 and the anti-skid plate 8 of master lock all lost efficacy, both sides lug is then tightly stuck with master lock lock hole element 3, when master lock 2 is destroyed, secondary lock 12 linkage function being positioned at master lock about 2 both sides is ineffective, due to its characteristic, tamper-resistant function still works, pry open its difficulty not second to master lock 2 and pry open difficulty.
A kind of prized up-proof door with enhanced anti-theft device shown in above Fig. 1-5 is specific embodiments of the invention; substantive distinguishing features of the present invention and progress are embodied; can according to the use needs of reality; under enlightenment of the present invention; it is carried out to the equivalent modifications of the aspect such as shape, structure, all at the row of the protection domain of this programme.
Claims (10)
1. the prized up-proof door with enhanced anti-theft device, comprise and be placed in the master lock (2) that limit opened by door leaf (1) and the master lock lock hole element (3) be arranged on doorframe (3), it is characterized in that: master lock (2) comprises master lock tongue and master lock (2) body, described master lock tongue comprises the first master lock tongue (5) and the second master lock tongue (6), the master lock panel (7) of described master lock (2) body is stepped, comprise the first master lock panel part and the second master lock panel part, first master lock panel part is positioned at the front of the second master lock panel part, and the first master lock panel part is higher than the second master lock panel part, the first described master lock panel part offers the first master lock tongue (5) hole matched with the first master lock tongue (5), the second described master lock panel part offers the second master lock tongue apertures matched with the second master lock tongue (6), the first described master lock panel part extends back and forms the anti-skid plate of master lock (8) that is positioned at outside the second master lock panel part, the anti-skid plate of described master lock (8) offers the through hole relative with the second master lock tongue apertures, described master lock lock hole element (3) in master lock panel part match stepped, comprise the first master lock lock hole part, be positioned at the first master lock lock hole part rear and higher than the second master lock lock hole part of the first master lock lock hole part, the first described master lock lock hole part offers the first master lock lockhole matched with the first master lock tongue (5), the second described master lock lock hole part offers the second master lock lockhole matched with the second master lock tongue (6), at closing time, the anti-skid plate of described master lock (8) inserts master lock lock hole element (3).
2. a kind of prized up-proof door with enhanced anti-theft device according to claim 1, it is characterized in that: the end of the second described master lock tongue (6) is provided with the anti-pry head of master lock (10) of evagination, the inner side of the second master lock lock hole part of master lock lock hole element (3) is provided with master lock pick-proof parts (9), master lock pick-proof parts (9) offer the master lock pick-proof hole that the anti-pry head (10) with master lock matches, after second master lock tongue (6) inserts master lock pick-proof hole, master lock pick-proof parts (9) are positioned at the anti-pry head of master lock (10) outside, rotating the anti-pry head of master lock (10) makes the anti-pry head of master lock (10) can offset with the inwall of master lock pick-proof parts (9).
3. a kind of prized up-proof door with enhanced anti-theft device according to claim 1, it is characterized in that: the second described master lock tongue (6) is in cylindric, the anti-pry head of described master lock (10) is provided with lug, and the distance in lug to the second master lock tongue (6) axle center is greater than the radius of the second master lock tongue (6).
4. a kind of prized up-proof door with enhanced anti-theft device according to claim 1, is characterized in that: the anti-pry head of described master lock (10) is provided with the lug of two symmetries, the distance between lug is greater than the diameter of the second master lock tongue (6); The anti-pry head of described master lock (10) is fixed on the outer end of the second master lock tongue (6) by connector.
5. a kind of prized up-proof door with enhanced anti-theft device according to claim 4, it is characterized in that: the end of the first described master lock tongue (5) is provided with the anti-pry head of master lock (10) of evagination, after first master lock tongue (5) inserts the first master lock lockhole, first master lock lock hole part is positioned at the anti-pry head of master lock (10) outside, rotates the anti-pry head of master lock (10) and the anti-pry head of master lock (10) can be offseted with the inwall of the first master lock lock hole part.
6. a kind of prized up-proof door with enhanced anti-theft device according to claim 2, it is characterized in that: described master lock panel (7) is provided with one and ranked first master lock tongue (5) and and ranked second master lock tongue (6), and at least one second master lock tongue (6) is provided with the anti-pry head of master lock (10).
7. a kind of prized up-proof door with enhanced anti-theft device according to claim 2, it is characterized in that: also comprise and be placed in the secondary lock (12) that limit opened by door leaf (1) and the secondary lock lock hole element (13) be arranged on doorframe (3), secondary lock (12) comprises secondary lock tongue and auxiliary lock body, described secondary lock tongue comprises the first secondary lock tongue (14) and the second secondary lock tongue (15), the secondary lock panel (16) of described auxiliary lock body is stepped, comprise the first secondary lock panel part and the second secondary lock panel part, first secondary lock panel part is positioned at the front of the second secondary lock panel part, and the first secondary lock panel part is higher than the second secondary lock panel part, the first described secondary lock panel part offers the first secondary lock tongue (14) hole matched with the first secondary lock tongue (14), the second described secondary lock panel part offers the second secondary lock tongue apertures matched with the second secondary lock tongue (15), the first described secondary lock panel part extends back and forms the anti-skid plate of secondary lock (17) that is positioned at outside the second secondary lock panel part, the anti-skid plate of described secondary lock (17) offers the through hole relative with the second secondary lock tongue apertures, described secondary lock lock hole element (13) in secondary lock panel part match stepped, comprise the first secondary lock lock hole part, be positioned at the first secondary lock lock hole part rear and higher than the second secondary lock lock hole part of the first secondary lock lock hole part, the first described secondary lock lock hole part offers the first secondary lock lockhole matched with the first secondary lock tongue (14), the second described secondary lock lock hole part offers the second secondary lock lockhole matched with the second secondary lock tongue (15), at closing time, the anti-skid plate of described secondary lock (17) inserts secondary lock lock hole element (13).
8. a kind of prized up-proof door with enhanced anti-theft device according to the arbitrary right of claim 1-7, it is characterized in that: described master lock pick-proof parts (9) are in " ┛ " shape, its two ends are connected with master lock lock hole element (3) respectively, form the anti-skid plate container cavity of master lock of rectangle, described master lock anti-skid plate container cavity is provided with opening forward for inserting the anti-skid plate of master lock (8).
9. a kind of prized up-proof door with enhanced anti-theft device according to claim 8, is characterized in that: described master lock (2) is mechanical lock or automatic locking.
10. a kind of prized up-proof door with enhanced anti-theft device according to claim 8, it is characterized in that: the front end of described doorframe (3) stretch out backward after be bent to form " 7 " pick-proof stiffened edge (18), described doorframe (3) is provided with " U " shape safety groove (11) matched with pick-proof stiffened edge (18), and safety groove (11) makes pick-proof stiffened edge (18) insert in safety groove (11) to open front.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420837612.1U CN204492382U (en) | 2014-12-25 | 2014-12-25 | A kind of prized up-proof door with enhanced anti-theft device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420837612.1U CN204492382U (en) | 2014-12-25 | 2014-12-25 | A kind of prized up-proof door with enhanced anti-theft device |
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| CN204492382U true CN204492382U (en) | 2015-07-22 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104499849A (en) * | 2014-12-25 | 2015-04-08 | 吕新印 | Pry resistance door with reinforced pry resistance device |
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2014
- 2014-12-25 CN CN201420837612.1U patent/CN204492382U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104499849A (en) * | 2014-12-25 | 2015-04-08 | 吕新印 | Pry resistance door with reinforced pry resistance device |
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Effective date of registration: 20170911 Address after: 321300 Zhejiang Street industrial base city of Jinhua province Yongkang City Patentee after: Chuntian Group Co., Ltd. Address before: 321300 Zhejiang Street industrial base city of Jinhua province Yongkang City Spring Group Co. Ltd. Patentee before: Lv Xinyin |