CN103334642B - Antitheft door with coded lock - Google Patents
Antitheft door with coded lock Download PDFInfo
- Publication number
- CN103334642B CN103334642B CN201310313976.XA CN201310313976A CN103334642B CN 103334642 B CN103334642 B CN 103334642B CN 201310313976 A CN201310313976 A CN 201310313976A CN 103334642 B CN103334642 B CN 103334642B
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- Prior art keywords
- password
- coded lock
- paragraph
- door
- slide
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Abstract
The invention discloses an antitheft door with a coded lock. The antitheft door comprises a door body, a lock rod, an outer door handle and the coded lock arranged on the door body, wherein the lock rod is horizontally arranged on the door body, and the end part of the lock rod is provided with a spring bolt locked and matched with a lock bracket; and the inner end of the outer door handle is connected with the lock rod and can drive the lock rod to move. The antitheft door is characterized in that the lock rod comprises a first section and a second section which can be separated; the rear end of the first section is movably connected with a coded bar of the coded lock; the front end of the second section is provided with the spring bolt; and the inner side of the door body is provided with a sliding mechanism capable of driving the first and second sections to separate from each other. Compared with the prior art, the antitheft door has the advantages that a user only needs to pull an inner door handle when going out, so that the first and second sections can be separated, the second section moves backwards, the spring bolt is separated from the lock bracket, the antitheft door can be easily opened, and the user can quickly and conveniently open the door without operating the coded lock.
Description
Technical field
The present invention relates to a kind of security door, particularly relate to a kind of security door being provided with coded lock.
Background technology
Coded lock is the one of lock, and during unlatching is a series of numeral or symbol.Some simple passwords lock uses multiple dialing ring, and there is recess the centre of each dialing ring, and an axle at the center of lock, above has the tooth of several protrusion, be used for blocking dialing ring, and when dialing ring forwards correct password combination to, lock just can be opened.But, a lot of this kind of lock is at all without the need to knowing that password can be opened, as long as axle is pulled outwardly, one of them tooth just more can strain dialing ring than other, at this moment move in turn the dialing ring be tightened up, until hear very little sound, represents that this tooth has entered correct recess, re-cover this step, just lock can be opened very soon.Therefore, existing password be usually all arrangement and the combination of really, some coded lock be rotation one group several be carved with numeral pull out wheel rim, directly drive lock inside machinery.In fact, in traditional lockset, coded lock is not the product that a kind of frequent operation uses, existing like product also exists a lot of defect, such as: 1. lock core part is integrated inseparable structure, when reality uses, you need coded lock all to separate, and this also exists certain potential safety hazard; 2. the fixed structure of password circle is unreasonable, is not durable; 3. lock core structure lacks extra anti-theft measure, also exist security door access to your password after not firm unpractical defect built on the sand; 4. its structure unlocks can to unavoidably behavior person agaainst the law with opportunity; 5. also need to prepare key in addition.Therefore, for above aspect, need rationally to innovate prior art.
The coded lock that the existing security door with coded lock generally comprises a body, locking bar, outer door handle and is located on a body, locking bar is laterally arranged at the dead bolt that on a body and end has lock lock fit, outer door handle inner end is connected with locking bar and locking bar can be driven to move, under coded lock is in unlocking condition, locking bar can move and depart from lock, and the operating surface of this coded lock exposes to a body.The security door of this structure, when user gos out, needing in room, input password could open, cumbersome, makes troubles to the discrepancy of user.
Summary of the invention
Technical problem to be solved by this invention is opened the door easily with the security door of coded lock when providing a kind of going out for the above-mentioned state of the art.
Another technical problem to be solved by this invention is without the need to opening the security door that coded lock just can unlock when going out.
The present invention solves the problems of the technologies described above adopted technical scheme: a kind of security door with coded lock, the coded lock comprising a body, locking bar, outer door handle and be located on a body, aforesaid locking bar is laterally arranged at the dead bolt that on a body and end has lock lock fit, aforesaid outer door handle inner end is connected with locking bar and locking bar can be driven to move, under aforementioned coded lock is in unlocking condition, aforesaid locking bar can move and depart from lock, the operating surface of this coded lock exposes to a body, it is characterized in that
Described locking bar comprises the first paragraph and second segment that can throw off, and the rear end of aforementioned first paragraph is flexibly connected with the password rod of coded lock, and the front end of second previous paragraph then forms dead bolt;
Be provided with a slide mechanism that first paragraph and second segment can be driven to throw off inside described door body, this slide mechanism comprises
Slide plate, connects with second previous paragraph and can drive together with second segment and move, and, be formed with chute inside this slide plate;
Slide block, can be arranged in the chute of aforesaid slide plate actively, and slide plate can be driven to move together;
Inside door handle, is located on aforesaid slide block; And
Linkage, comprise first connecting rod and the second connecting rod of flexible connection, one end of aforementioned first connecting rod is flexibly connected with aforesaid slide block, being connected with the fulcrum inside door body in the middle part of aforementioned second connecting rod also can around fulcrum, and one end of aforementioned second connecting rod is then slidably matched with first paragraph and can promotes first paragraph and overturns and throw off second segment.
First paragraph and second segment are thrown off and syndeton is arranged as follows: the front end of described first paragraph has with the first downward-sloping from front to back inclined-plane, this the first inclined-plane projection has with fixture block, accordingly, the rear end of described second segment has with the second downward-sloping from front to back inclined-plane, this second inclined-plane is formed with the draw-in groove for fixture block snap-fit engagement.
The movable fit structure of slide plate and second connecting rod is preferably as follows setting: the below of second segment is located at by described slide plate, the end of described second connecting rod is provided with a roller, accordingly, the below of described first paragraph is provided with a contiguous block, has the crank slot moved around for aforementioned roller in this contiguous block.
Further, in described slide plate, be positioned at the elastic component being provided with on rear side of chute and can offseting with slide block, and described locking bar is in the lock state down, between described slide block rear end and elastic component, there is gap.
The first support, the second support and the 3rd support is provided with from front to back successively inside described door body, described second segment runs through by the first support and coordinates with the first bracket slide, aforesaid second support and the 3rd are set up in coded lock both sides and coordinate with password rod is movable, the front end of described password rod has limiting section, this limiting section cross section bore is greater than the internal diameter of the second support, described locking bar is in the lock state down, has mobile space between described slip front and the front inner wall of chute.
The object of such design be from when driving locking bar to move with outer door handle outdoors when the dead bolt of locking bar departs from lock, can ensure that first paragraph and second segment keep being connected, namely slide block can keep motionless.
The top being positioned at first paragraph inside described door body is provided with the pressing mechanism that gives first paragraph one thrust all the time.Pressing mechanism can ensure the smooth reset having stressed sense and second segment in inside door handle operating process, and described pressing mechanism can comprise locating piece, is located at inside described door body;
Crushing block, inconsistent with first paragraph all the time; And
Extrusion spring, one end is connected with aforesaid locating piece, and the other end is connected with aforesaid crushing block.
During for ensureing that locking bar pins, door body with the connectivity robustness of room doorframe, increase and arrange as follows:
There is above the middle part of described second segment a upper skewback downward-sloping from back to front, accordingly, the inner side of described door body longitudinally can be provided with backstay on up and downly, and on this, the lower end of backstay is provided with a upper roller that skewback can move around on aforementioned.
There is below the middle part of described second segment a lower skewback downward-sloping from front to back, the oblique chute of an inclination is provided with bottom this lower skewback, accordingly, the inner side of described door body longitudinally can be provided with backstay up and downly, and the upper end of this lower backstay is provided with a bottom roller that can move around on aforementioned oblique chute.
Coded lock can preferentially be arranged further as follows:
Described password rod periphery is alongst provided with at least three password grooves, and described coded lock also comprises
Password circle is at least three groups, and corresponding respective password groove can be sheathed on described password rod rotationally, often organizes password circle radial elastic ground and is provided with multiple place kick that can be embedded at password groove, and, often organize password circle reservation one be in released state under neutral position; And
Centring ring is two, is provided with described password rod both sides and password is drawn a circle to approve position.
Further, have spacer block between described password groove, described password rod is sheathed in a sleeve, the position of the corresponding password groove of this sleeve forms through hole, further, this sleeve periphery is provided with multiple locating ring, and each locating ring covers aforesaid spacer block between password circle.
From when opening coded lock outdoors, ensure that the first paragraph of locking bar and second segment keep being connected, preferential following setting: be also provided with the internal hilar plate that covers locking bar and slide mechanism inside described door body, this internal hilar plate is provided with slide opening, described inside door handle then stretches out slide opening and can slide in slide opening, and the lateral surface of aforementioned internal hilar plate is provided with a hook arm, the front end of this hook arm has hook portion and can hook inside door handle, and rear end is then flexibly connected with internal hilar plate.
Further, the port of described hook portion is provided with a shelves pin hinged with hook arm, and inside door handle can be limited in hook portion by this grade of pin.
Compared with prior art, the invention has the advantages that: as long as pull inside door handle when going out, first paragraph and second segment can be realized separately, second segment moves backward simultaneously, and dead bolt departs from lock, and security door just can easily be opened, without the need to just being opened the door fast by operator password lock, convenient and swift.
Accompanying drawing explanation
Fig. 1 is embodiment Facad structure schematic diagram.
Fig. 2 is embodiment structure schematic diagram.
Fig. 3 is the structural representation after removing internal hilar plate in Fig. 2.
Fig. 4 is the state diagram of locking bar when opening.
Fig. 5 is the amplification stereogram of coded lock in embodiment.
State diagram when Fig. 6 is coded lock unblock.
State diagram when Fig. 7 is coded lock pinning.
Fig. 8 is that coded lock decomposes assembling drawing.
Detailed description of the invention
Below in conjunction with accompanying drawing embodiment, the present invention is described in further detail.
As shown in Figure 1, Figure 2, Figure 3 and Figure 4, wherein Fig. 1 is the direction from seeing outdoors, Fig. 2 is the direction seen away outdoors, the coded lock 2 that security door in the present embodiment comprises a body 10, locking bar 1, outer door handle 68 and is located on a body 10, locking bar 1 is laterally arranged at the dead bolt 13 that on a body 10 and end has lock lock fit, outer door handle 68 inner end is connected with locking bar 1 and locking bar 1 can be driven to move, the operating surface of coded lock 2 exposes to a body 10 and internal hilar plate 100, and internal hilar plate 100 is located at inside a body 10.
Locking bar 1 comprises the first paragraph 11 and second segment 12 that can throw off, and the rear end of first paragraph 11 is flexibly connected with the password rod 21 of coded lock, and the front end of second segment 12 then forms dead bolt 13; Particularly, the front end of first paragraph 11 has with the first downward-sloping from front to back inclined-plane, this the first inclined-plane projection has with fixture block 111, accordingly, the rear end of second segment 12 has with the second downward-sloping from front to back inclined-plane, this second inclined-plane is formed with the draw-in groove (without display in figure) for fixture block 111 snap-fit engagement.
Be provided with a slide mechanism 6 inside door body 10, this slide mechanism 6 comprises slide plate 61, slide block 62, inside door handle 63 and linkage, and slide plate 61 is located at below second segment 12 and also second segment 12 can be driven to move together, and, be formed with chute inside this slide plate 61; Slide block 62 can be arranged in the chute of slide plate 61 actively, and slide plate 62 can be driven to move together; Be positioned at the spring 66 being provided with on rear side of chute and can offseting with slide block 62 in slide plate 61, and locking bar 1 is in the lock state down, has gap between slide block 62 rear end and spring 66, also has mobile space between slide block 62 front end and the front inner wall of chute.Inside door handle 63 is located on slide block 62.Linkage comprises first connecting rod 64 and the second connecting rod 65 of flexible connection, one end of first connecting rod 64 is flexibly connected with slide block 62, be connected with the fulcrum 101 inside door body 10 in the middle part of second connecting rod 65 and can rotate around fulcrum 101, one end of second connecting rod 65 is then slidably matched with first paragraph 11 and can promotes first paragraph 11 and overturns and throw off second segment 12, particularly: the end of second connecting rod 65 is provided with a roller 67, accordingly, the below of first paragraph 11 is provided with a contiguous block 14, has the crank slot 15 moved around for roller 67 in this contiguous block 14.
The first support 31, second support 32 and the 3rd support 33 is provided with from front to back successively inside door body 10, second segment 12 runs through by the first support 31 and is slidably matched with the first support 31, second support 32 and the 3rd support 33 are located at coded lock 2 both sides and are coordinated with password rod 21 is movable, the front end of password rod 21 has limiting section 21a, and this limiting section 21a cross section bore is greater than the internal diameter of the second support 32.
The top being positioned at first paragraph 11 inside door body 10 is provided with the pressing mechanism 5 that gives first paragraph 11 1 thrust all the time, this pressing mechanism 5 comprises locating piece 51, crushing block 53 and extrusion spring 52, locating piece 51 to be located at inside a body 10 and to be positioned at above first paragraph 11, crushing block 53 bottom surface is inconsistent with first paragraph 11 all the time, extrusion spring 52 upper end is connected with locating piece 51, and lower end is connected with crushing block 53.
During for ensureing that locking bar 1 pins, door body 10 with the connectivity robustness of room doorframe, increase following setting: there is above the middle part of second segment 12 a upper skewback 16 downward-sloping from back to front, accordingly, the inner side of door body 10 longitudinally can be provided with backstay 41 on up and downly, and on this, the lower end of backstay 41 is provided with a upper roller 43 that can move around on upper skewback 16; There is below the middle part of second segment 12 a lower skewback 17 downward-sloping from front to back, the oblique chute 18 of an inclination is provided with bottom this lower skewback 17, accordingly, the inner side of door body 10 longitudinally can be provided with backstay 42 up and downly, and the upper end of this lower backstay 42 is provided with a bottom roller 44 that can move around on oblique chute 18.Here upper backstay 41 and lower backstay 42 can coordinate to lock with the upper locating hole of doorframe and lower locating hole.
Internal hilar plate 100 covers locking bar 11, slide mechanism 6, pressing mechanism 5, upper backstay 41 and lower backstay 42, this internal hilar plate 100 is provided with slide opening 102, inside door handle 63 stretches out slide opening 102 and can slide in slide opening 102, and, the lateral surface of internal hilar plate 100 is provided with hook arm 71, the front end of this hook arm 71 has hook portion 711 and can hook inside door handle 63, and rear end is then flexibly connected with internal hilar plate 100.The port of hook portion 711 is provided with a shelves pin 72 hinged with hook arm 71, and inside door handle 63 can be limited in hook portion 711 by this grade of pin 72.
As shown in Figure 2, convenient closedown door body in room, increase and arrange a handle 69, this handle 69 is connected with the second segment 12 of locking bar, and second segment 12 can be driven to move.So at closing time without the need to driving inside door handle to realize.
As shown in Fig. 5, Fig. 6, Fig. 7 and Fig. 8, coded lock 2 comprises password rod 21, password circle 23, centring ring 25, sleeve 22 and locating ring 24, password rod 21 peripheries are alongst provided with six password grooves 211, password circle 23 has six groups accordingly, corresponding respective password groove 211 can be sheathed on password rod 21 rotationally, be provided with multiple place kick 28 that can be embedded at password groove 211 with often organizing password circle 23 radial elastic, realize especially by radial spring 26 and push pedal 27.Further, often organize password circle 23 to retain one and be in neutral position 29 under released state; Centring ring 25 is two, is located at password rod 25 both sides and is located by whole password circle 23.Sleeve 22 to be sheathed on password rod and to have the through hole 221 corresponding with password groove, and sleeve 22 periphery is provided with multiple locating ring 24, and each locating ring 24 is between adjacent password circle 23.
When six groups of password circles 23 all forward corresponding neutral position 29 to, password rod 21 just can move axially, otherwise password circle 23 is just limited in password groove 211 and can not moves.
Outer door handle 68 in the present embodiment can be connected with slide plate 61, also can directly be connected with second segment 12 or first paragraph 11, does not launch here in continuation.
Operating principle: from when coming in outdoors, input password, open coded lock, locking bar is driven to move and depart from lock, at this moment, owing to having gap between slide block and chute front side wall with outer door handle, limiting section exists simultaneously, add hook arm and hook up to inside door handle, so slide block is failure to actuate, first paragraph and second segment keep connection status; From when going out outdoors, open hook arm, driving inside door handle moves, and second segment overturn under linkage effect before this, and fixture block departs from draw-in groove, and then second segment is thrown off with first paragraph and is separated, continue mobile inside door handle, slide block drives slide plate to move backward, and then drives second segment to move backward, make dead bolt depart from lock, realize opening the door.
Claims (10)
1. the security door with coded lock, the coded lock comprising a body, locking bar, outer door handle and be located on a body, aforesaid locking bar is laterally arranged at the dead bolt that on a body and end has lock lock fit, aforesaid outer door handle inner end is connected with locking bar and locking bar can be driven to move, under aforementioned coded lock is in unlocking condition, aforesaid locking bar can move and depart from lock, and the operating surface of this coded lock exposes to a body, it is characterized in that
Described locking bar comprises the first paragraph and second segment that can throw off, and the rear end of aforementioned first paragraph is flexibly connected with the password rod of coded lock, and the front end of second previous paragraph then forms dead bolt;
Be provided with a slide mechanism that first paragraph and second segment can be driven to throw off inside described door body, this slide mechanism comprises
Slide plate, connects with second previous paragraph and can drive together with second segment and move, and, be formed with chute inside this slide plate;
Slide block, can be arranged in the chute of aforesaid slide plate actively, and slide plate can be driven to move together;
Inside door handle, is located on aforesaid slide block; And
Linkage, comprise first connecting rod and the second connecting rod of flexible connection, one end of aforementioned first connecting rod is flexibly connected with aforesaid slide block, the other end of aforementioned first connecting rod is flexibly connected with one end of second connecting rod, being connected with the fulcrum inside door body in the middle part of aforementioned second connecting rod also can around fulcrum, and one end of aforementioned second connecting rod is then slidably matched with first paragraph and can promotes first paragraph and overturns and throw off second segment.
2. according to the security door with coded lock shown in claim 1, it is characterized in that the front end of described first paragraph has with the first downward-sloping from front to back inclined-plane, this the first inclined-plane projection has with fixture block, accordingly, the rear end of described second segment has with the second downward-sloping from front to back inclined-plane, this second inclined-plane is formed with the draw-in groove for fixture block snap-fit engagement.
3. the security door with coded lock according to claim 1, it is characterized in that the below of second segment is located at by described slide plate, the end of described second connecting rod is provided with a roller, accordingly, the below of described first paragraph is provided with a contiguous block, has the crank slot moved around for aforementioned roller in this contiguous block.
4. the security door with coded lock according to claim 1, it is characterized in that in described slide plate, being positioned at the elastic component being provided with on rear side of chute and can offseting with slide block, further, described locking bar is in the lock state down, has gap between described slide block rear end and elastic component.
5. the security door with coded lock according to claim 4, it is characterized in that being provided with the first support successively from front to back inside described door body, second support and the 3rd support, described second segment runs through by the first support and coordinates with the first bracket slide, aforesaid second support and the 3rd are set up in coded lock both sides and coordinate with password rod is movable, the front end of described password rod has limiting section, this limiting section cross section bore is greater than the internal diameter of the second support, described locking bar is in the lock state down, between described slip front and the front inner wall of chute, there is mobile space.
6. the security door with coded lock according to claim 1, it is characterized in that the top being positioned at first paragraph inside described door body is provided with the pressing mechanism that gives first paragraph one thrust all the time, this pressing mechanism comprises
Locating piece, is located at inside described door body;
Crushing block, inconsistent with first paragraph all the time; And
Extrusion spring, one end is connected with aforesaid locating piece, and the other end is connected with aforesaid crushing block.
7. the security door with coded lock according to claim 1, above the middle part that it is characterized in that described second segment, there is a upper skewback downward-sloping from back to front, accordingly, the inner side of described door body longitudinally can be provided with backstay on up and downly, and on this, the lower end of backstay is provided with a upper roller that skewback can move around on aforementioned;
There is below the middle part of described second segment a lower skewback downward-sloping from front to back, the oblique chute of an inclination is provided with bottom this lower skewback, accordingly, the inner side of described door body longitudinally can be provided with backstay up and downly, and the upper end of this lower backstay is provided with a bottom roller that can move around on aforementioned oblique chute.
8. the security door with coded lock according to claim 1, it is characterized in that described password rod periphery is alongst provided with at least three password grooves, described coded lock also comprises
Password circle is at least three groups, and corresponding respective password groove can be sheathed on described password rod rotationally, often organizes password circle radial elastic ground and is provided with multiple place kick that can be embedded at password groove, and, often organize password circle reservation one be in released state under neutral position; And
Centring ring is two, is provided with described password rod both sides and password is drawn a circle to approve position.
9. the security door with coded lock according to claim 8, it is characterized in that, between described password groove, there is spacer block, described password rod is sheathed in a sleeve, the position of the corresponding password groove of this sleeve forms through hole, and, this sleeve periphery is provided with multiple locating ring, and each locating ring covers aforesaid spacer block and between password circle.
10. the security door with coded lock according to claim 1, it is characterized in that also being provided with the internal hilar plate that covers locking bar and slide mechanism inside described door body, this internal hilar plate is provided with slide opening, described inside door handle then stretches out slide opening and can slide in slide opening, and, the lateral surface of aforementioned internal hilar plate is provided with a hook arm, and the front end of this hook arm has hook portion and can hook inside door handle, and rear end is then flexibly connected with internal hilar plate; The port of described hook portion is provided with a shelves pin hinged with hook arm, and inside door handle can be limited in hook portion by this grade of pin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310313976.XA CN103334642B (en) | 2013-07-23 | 2013-07-23 | Antitheft door with coded lock |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310313976.XA CN103334642B (en) | 2013-07-23 | 2013-07-23 | Antitheft door with coded lock |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103334642A CN103334642A (en) | 2013-10-02 |
| CN103334642B true CN103334642B (en) | 2015-04-01 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310313976.XA Expired - Fee Related CN103334642B (en) | 2013-07-23 | 2013-07-23 | Antitheft door with coded lock |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103334642B (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106761282B (en) * | 2017-03-09 | 2018-07-10 | 王荣仙 | Antitheft door with button-type coded lock |
| CN106801569B (en) * | 2017-03-09 | 2018-07-10 | 王荣仙 | A kind of antitheft door with button-type coded lock |
| CN107476676B (en) * | 2017-08-26 | 2023-08-08 | 中山市日宝保险柜制造有限公司 | National treasury door capable of being unlocked internally |
| CN108459640B (en) * | 2018-02-01 | 2020-09-15 | 合肥联信电源有限公司 | Be applied to city piping lane emergency power source's that has temperature humidity control cabinet of laying |
| CN109098532B (en) * | 2018-08-24 | 2023-08-29 | 浙江坚迪五金制造有限公司 | Lock structure |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1779207A (en) * | 2004-11-17 | 2006-05-31 | 许振荣 | Automatically and multi-directionally linkage-lockable door of banknotes delivering vehicle |
| CN201339357Y (en) * | 2009-01-09 | 2009-11-04 | 周中元 | Password anti-theft lock |
| CN101899923A (en) * | 2010-03-31 | 2010-12-01 | 王一汀 | Mechanical coded lock with a plurality of digital units only increased but not decreased and returned to zero by key |
| RU102953U1 (en) * | 2010-11-25 | 2011-03-20 | Александр Константинович Сидоров | MECHANICAL NON-KEYLESS CODE LOCK |
| CN102877706A (en) * | 2012-10-24 | 2013-01-16 | 蒙永华 | Duplex coded anti-theft lock |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8393186B2 (en) * | 2009-10-06 | 2013-03-12 | Wordlock, Inc. | Combination discus lock assembly and methods of using the same |
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2013
- 2013-07-23 CN CN201310313976.XA patent/CN103334642B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1779207A (en) * | 2004-11-17 | 2006-05-31 | 许振荣 | Automatically and multi-directionally linkage-lockable door of banknotes delivering vehicle |
| CN201339357Y (en) * | 2009-01-09 | 2009-11-04 | 周中元 | Password anti-theft lock |
| CN101899923A (en) * | 2010-03-31 | 2010-12-01 | 王一汀 | Mechanical coded lock with a plurality of digital units only increased but not decreased and returned to zero by key |
| RU102953U1 (en) * | 2010-11-25 | 2011-03-20 | Александр Константинович Сидоров | MECHANICAL NON-KEYLESS CODE LOCK |
| CN102877706A (en) * | 2012-10-24 | 2013-01-16 | 蒙永华 | Duplex coded anti-theft lock |
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| Publication number | Publication date |
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| CN103334642A (en) | 2013-10-02 |
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