CN110173168A - A kind of composite lockset - Google Patents
A kind of composite lockset Download PDFInfo
- Publication number
- CN110173168A CN110173168A CN201910314710.4A CN201910314710A CN110173168A CN 110173168 A CN110173168 A CN 110173168A CN 201910314710 A CN201910314710 A CN 201910314710A CN 110173168 A CN110173168 A CN 110173168A
- Authority
- CN
- China
- Prior art keywords
- belt
- intracavitary
- locking
- locked groove
- locking device
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B67/00—Padlocks; Details thereof
Landscapes
- Emergency Lowering Means (AREA)
- Lock And Its Accessories (AREA)
Abstract
The invention discloses a kind of composite locksets, including lock body, sliding slot is equipped in the lock body, the tapered end of sliding is equipped in the sliding slot, elasticity is equipped with the first spring between the tapered end and the sliding slot bottom wall, it is equipped with lock rack gear in the tapered end, the lock slots for cooperating the tapered end are equipped in the lock body；The configuration of the present invention is simple, easy to operate, maintenance convenience, the lockset has first locking device and multiple locking device, can carry out the compound double-deck locking, and unlocking manner is complex, safety is higher, therefore equipment value for applications with higher.
Description
Technical field
The present invention relates to lock fields, and in particular to a kind of composite lockset.
Background technique
Lock is antitheft in life or the essential article of protection privacy effect, still, the locking side of existing lockset
Formula is more single, and structure is too simple, easily cracks opening using simple tool by social personnel, and safety is lower, therefore, this hair
A kind of bright composite lockset for being intended to design compound locking mechanism.
Summary of the invention
The purpose of the present invention is to provide a kind of composite locksets, can overcome the drawbacks described above of the prior art.
A kind of composite lockset according to the present invention, including lock body, the lock body is interior to be equipped with sliding slot, is equipped with and slides in the sliding slot
Dynamic tapered end, elasticity is equipped with the first spring between the tapered end and the sliding slot bottom wall, and lock rack gear is equipped in the tapered end, described
The lock slots for cooperating the tapered end are equipped in lock body, the lock slots are equipped with just lock in the inner wall of the sliding slot side
Slot, the first locking device being just equipped in locked groove for locking the tapered end are equipped in the just locked groove bottom wall and the just lock
The multiple locked groove of slot connection, the multiple locked groove is interior to be equipped with the multiple locking device for locking the just locking device, right side wall on the right side of the sliding slot
It is interior to be equipped with restricted room, it is equipped with the limits device for limiting the multiple locking device in the restricted room, is equipped in the just locked groove bottom wall
Belt chamber, the intracavitary tripper being equipped with for opening the equipment of the belt, the belt chamber roof is interior to be equipped with positive chamber, institute
It states and is equipped with reversed chamber in the wall of belt bottom of chamber, described reversed intracavitary equipped with power device, the power device is described anti-including being set to
To intracavitary lock core, the outer wall of lock core, which is equipped with, is located at the reversed intracavitary lower gear, and the outer wall of lock core is equipped with position
In the intracavitary gear of the forward direction；The power device can successively unlock the multiple locking device and institute by the tripper
Just locking device is stated, and then opens the lockset.
Preferably, the just locking device includes slidably being set to the just closing piece in locked groove, the closing piece and it is described just
Elasticity is equipped with second spring between locked groove left wall, through-hole is equipped in the closing piece, the multiple locking device includes slidably being set to institute
The locking bar in multiple locked groove is stated, the locking bar can cooperate with the through-hole, and elasticity is set between the locking bar and the multiple locked groove bottom wall
There is third spring；Tapered end described in the just locking device lockable, the multiple locking device locking just locking device, guarantees locking
Safety.
Preferably, the limits device includes the front gear in the restricted room, and the rear-end of spindle is equipped with and institute
The backgear engaged between lock rack gear is stated, the front-end of spindle is equipped with front gear, is equipped with transmission shaft, the biography in the restricted room
Moving axis rear end is equipped with the slave gear engaged with the front gear, and the transmission shaft front end is equipped with left belt wheel, sets in the restricted room
Have from axis, it is described to have belt wheel from axis front end, it is described to there is transmission between belt wheel and the left belt wheel to be equipped with the first belt, it is described
It is equipped with sector gear from shaft rear end, is slidably equipped with the fixture block that can be clamped with the locking bar, the fixture block in the restricted room
Roof is equipped with the slip teeth item that can engage with the sector gear, and elasticity is equipped with the between the fixture block and the restricted room left wall
Four springs；The position of the locking bar when limits device can keep the lockset open state.
Preferably, the tripper includes the positive axis intracavitary set on the belt, and the forward direction axis top is equipped with position
Positive ratchet that is intracavitary in the forward direction and engaging with the gear, the forward direction axis bottom end are equipped with main pulley, the skin
It is equipped with epicoele in band chamber roof, cavity of resorption is equipped in the wall of the belt bottom of chamber, the belt is intracavitary to be equipped with upper axis, the upper axis bottom end
Equipped with from belt wheel, the transmission between belt wheel and the main pulley is equipped with the second belt, and the upper axis top, which is equipped with, is located at institute
Intracavitary upper reel is stated, by the first rope connection between the upper reel and the locking bar, the belt is intracavitary to be equipped with
Inversion axis, the inversion axis bottom end, which is equipped with, is located at anti-ratchet that is described reversed intracavitary and engaging with the lower gear, described
Inversion axis top be equipped with positive belt wheel, the belt it is intracavitary be equipped with lower axle, the lower axle top be equipped with secondary pulley, the secondary pulley with
Transmission is equipped with third belt between the positive belt wheel, the lower axle bottom end be equipped be located at it is described under intracavitary lower reel, it is described
Pass through the second rope connection between lower reel and the closing piece；The tripper can successively unlock the multiple locking device and institute
Just locking device is stated, the lockset is opened.
The beneficial effects of the present invention are: the configuration of the present invention is simple, easy to operate, maintenance convenience, the lockset has just lock dress
Locking device is set and answered, the compound double-deck locking can be carried out, and unlocking manner is complex, safety is higher, therefore should
Equipment value for applications with higher.
Detailed description of the invention
It, below will be to embodiment or existing in order to illustrate more clearly of inventive embodiments or technical solution in the prior art
Attached drawing needed in technical description is briefly described.
Overall structure diagram when Fig. 1 is a kind of unlatching of composite lockset of the invention；
Overall structure diagram when Fig. 2 is a kind of locking of composite lockset of the invention;
Fig. 3 is the structural schematic diagram of A in Fig. 1.
Specific embodiment
Below with reference to above-mentioned diagram, the present invention is described in detail, wherein for sake of convenience, now to hereafter described side
Position provides as follows: consistent with the up and down direction of Fig. 1 projection relation itself all around described in hereafter.
As shown in Figure 1-3, a kind of composite lockset of the invention, including lock body 13, the lock body 13 is interior to be equipped with sliding slot 14, institute
The tapered end 11 that sliding is equipped in sliding slot 14 is stated, elasticity is equipped with the first spring 15 between 14 bottom wall of the tapered end 11 and the sliding slot,
It is equipped with lock rack gear 12 in the tapered end 11, the lock slots 16 for cooperating the tapered end 11, the lock are equipped in the lock body 13
Determine slot 16 and be equipped with first locked groove 60 in the 14 side inner wall of sliding slot, is equipped in the just locked groove 60 for locking the tapered end
11 first locking device 100, the interior multiple locked groove 22 being equipped with and the first locked groove 60 is connected to of just 60 bottom wall of locked groove, the multiple locked groove
It is equipped with the multiple locking device 200 for locking the just locking device 100 in 22, is equipped with restricted room 39 in the 14 right side right side wall of sliding slot,
It is equipped with the limits device 300 for limiting the multiple locking device 200 in the restricted room 39, is equipped with belt in just 60 bottom wall of locked groove
Chamber 30, the interior tripper 400 being equipped with for opening the equipment of the belt chamber 30,30 roof of belt chamber is interior to be equipped with forward direction
Chamber 57,30 bottom wall of belt chamber is interior to be equipped with reversed chamber 53, and power device 500, the power dress are equipped in the reversed chamber 53
Setting 500 includes the lock core 24 in the reversed chamber 53, and 24 outer wall of lock core, which is equipped with, to be located in the reversed chamber 53
Lower gear 25,24 outer wall of lock core are equipped with the gear 23 being located in the positive chamber 57；The power device 500 can lead to
It crosses the tripper 400 and successively unlocks the multiple locking device 200 and the just locking device 100, and then open the lockset.
Valuably, the just locking device 100 includes the closing piece 17 being slidably set in the just locked groove 60, the closing piece 17
Elasticity is equipped with second spring 61 between just 60 left wall of locked groove, and through-hole 18, the multiple locking device are equipped in the closing piece 17
200 include the locking bar 19 being slidably set in the multiple locked groove 22, and the locking bar 19 can cooperate with the through-hole 18, the locking bar
Elasticity is equipped with third spring 21 between 19 and multiple 22 bottom wall of locked groove；Tapered end 11 described in just 100 lockable of locking device, institute
It states multiple locking device 200 and locks the just locking device 100, guarantee the safety of locking.
Valuably, the limits device 300 includes the front gear 41 in the restricted room 39,42 rear end of main shaft
Equipped with the backgear 40 engaged between the lock rack gear 12,42 front end of main shaft is equipped with front gear 41, the restricted room 39
Interior to be equipped with transmission shaft 45,45 rear end of transmission shaft is equipped with the slave gear 43 engaged with the front gear 41, the transmission shaft 45
Front end is equipped with left belt wheel 44, is equipped in the restricted room 39 from axis 49, described to have belt wheel 48 from 49 front end of axis, described to have band
Transmission is equipped with the first belt 46 between wheel 48 and the left belt wheel 44, described to be equipped with sector gear 47, the limit from 49 rear end of axis
The fixture block 20 that can be clamped with the locking bar 19 is slidably equipped in chamber 39 processed, 20 roof of fixture block is equipped with can be with the fan
The slip teeth item 50 that shape gear 47 engages, elasticity is equipped with the 4th spring 38 between 39 left wall of the fixture block 20 and the restricted room；Institute
The position for the locking bar 19 that limits device 300 is stated when can keep the lockset open state.
Valuably, the tripper 400 includes the positive axis 56 in the belt chamber 30, and the forward direction axis 56 pushes up
End is equipped with the positive ratchet 58 for being located at and engaging in the positive chamber 57 and with the gear 23, and 56 bottom end of the forward direction axis is set
There is main pulley 55, epicoele 51 is equipped in 30 roof of belt chamber, is equipped with cavity of resorption 52, the belt in 30 bottom wall of belt chamber
Upper axis 35 is equipped in chamber 30, upper 35 bottom end of axis is equipped with from belt wheel 34, described to pass between belt wheel 34 and the main pulley 55
Dynamic to be equipped with the second belt 54, upper 35 top of axis is equipped with the upper reel 36 being located in the epicoele 51, the upper reel
By 37 connection of the first rope between 36 and the locking bar 19, the belt chamber 30 is interior to be equipped with inversion axis 27,27 bottom of inversion axis
End is equipped with the anti-ratchet 26 for being located at and engaging in the reversed chamber 53 and with the lower gear 25, and 27 top of inversion axis is set
Have a positive belt wheel 28, be equipped with lower axle 32 in the belt chamber 30,32 top of lower axle is equipped with secondary pulley 33, the secondary pulley 33 with
Transmission is equipped with third belt 29 between the positive belt wheel 28, and 32 bottom end of lower axle is equipped with the lower coiling being located in the cavity of resorption 52
Wheel 31 passes through 62 connection of the second rope between the lower reel 31 and the closing piece 17；The tripper 400 can be unlocked successively
The multiple locking device 200 and the just locking device 100, open the lockset.
When locking lockset, user of service presses 11 slide downward of tapered end, and then passes through lock rack gear 12, backgear 40, master
Axis 42, front gear 41, from gear 43, transmission shaft 45, left belt wheel 44, have belt wheel 48, from axis 49 drive sector gear 47 rotate, when
When tapered end 11 and closing piece 17 are clamped, sector gear 47 is engaged with slip teeth item 50, and sector gear 47 drives fixture block by slip teeth item 50
20 slide to the left, and then fixture block 20 is disengaged with locking bar 19, and 19 upward sliding of locking bar can simultaneously connect across through-hole 18 with closing piece 17,
Lockset locking；
When opening lockset, user of service inserts a key into lock core 24 and rotates forward, so by gear 23, it is just unidirectional
Gear 58, main pulley 55, from belt wheel 34, upper axis 35, the rope of upper reel 36, first 37 drives locking bars 19 to downslide at positive axis 56
It is dynamic, and then be clamped with fixture block 20, start to rotate backward after lock core 24 rotates forward 90 degree, and then pass through lower gear 25, anti-list
Closing piece 17 is driven to the left to gear 26, inversion axis 27, positive belt wheel 28, secondary pulley 33, lower axle 32, the rope of lower reel 31, second 62
Sliding, after lock core 24 rotates backward 90 degree, closing piece 17 is completely disengaged with tapered end 11 and is contacted, and tapered end 11 is by 15 elasticity of the first spring
Potential energy acts on upward sliding, which opens.
The beneficial effects of the present invention are: the configuration of the present invention is simple, easy to operate, maintenance convenience, the lockset has just lock dress
Locking device is set and answered, the compound double-deck locking can be carried out, and unlocking manner is complex, safety is higher, therefore should
Equipment value for applications with higher.
The above, the specific embodiment only invented, but invent protection scope be not limited thereto, it is any without
The change or replacement that creative work is expected are crossed, should all be covered within the protection scope of invention.Therefore, the protection scope of invention
It should be determined by the scope of protection defined in the claims.
Claims (4)
1. a kind of composite lockset of the invention, including lock body, the lock body is interior to be equipped with sliding slot, it is characterised in that: in the sliding slot
Tapered end equipped with sliding, elasticity is equipped with the first spring between the tapered end and the sliding slot bottom wall, and lock tooth is equipped in the tapered end
Item, the interior lock slots being equipped with for cooperating the tapered end of the lock body, the lock slots are set in the inner wall of the sliding slot side
There is first locked groove, the first locking device for locking the tapered end is equipped in the just locked groove, is equipped with and institute in the just locked groove bottom wall
The multiple locked groove of first locked groove connection is stated, the multiple locking device for locking the just locking device, the sliding slot right side are equipped in the locked groove again
It is equipped with restricted room in right side wall, the limits device for limiting the multiple locking device, the just locked groove bottom wall are equipped in the restricted room
Interior to be equipped with belt chamber, the intracavitary tripper being equipped with for opening the equipment of the belt, the belt chamber roof is interior to be equipped with just
To chamber, reversed chamber is equipped in the wall of the belt bottom of chamber, described reversed intracavitary equipped with power device, the power device includes being set to
The reversed intracavitary lock core, the outer wall of lock core, which is equipped with, is located at the reversed intracavitary lower gear, on the outer wall of lock core
Equipped with the gear intracavitary positioned at the forward direction；The power device can successively unlock the multiple lock dress by the tripper
Set with the just locking device, and then open the lockset.
2. one of according to claim 1 composite lockset, it is characterised in that: the just locking device include slidably be set to it is described
Closing piece in first locked groove, elasticity is equipped with second spring between the closing piece and the just locked groove left wall, is equipped in the closing piece logical
Hole, the multiple locking device include the locking bar being slidably set in the multiple locked groove, and the locking bar can cooperate with the through-hole, described
Elasticity is equipped with third spring between locking bar and the multiple locked groove bottom wall；Tapered end described in the just locking device lockable, the multiple lock
The device locking just locking device, guarantees the safety of locking.
3. one of according to claim 1 composite lockset, it is characterised in that: the limits device includes being set to the restricted room
Interior front gear, the rear-end of spindle are equipped with the backgear engaged between the lock rack gear, and the front-end of spindle is equipped with nipper
Wheel, the restricted room is interior to be equipped with transmission shaft, and the transmission shaft rear end is equipped with the slave gear engaged with the front gear, the transmission
Axis front end is equipped with left belt wheel, is equipped in the restricted room from axis, described to have a belt wheel from axis front end, it is described have belt wheel with it is described
Transmission is equipped with the first belt between left belt wheel, described to be equipped with sector gear from shaft rear end, is slidably equipped in the restricted room
The fixture block that can be clamped with the locking bar, the fixture block roof are equipped with the slip teeth item that can be engaged with the sector gear, the card
Elasticity is equipped with the 4th spring between block and the restricted room left wall；The limits device can keep the institute when lockset open state
State the position of locking bar.
4. one of according to claim 1 composite lockset, it is characterised in that: the tripper includes being set to the belt chamber
Interior positive axis, the forward direction axis top are equipped with the positive ratchet for being located at that the forward direction is intracavitary and engages with the gear,
The forward direction axis bottom end is equipped with main pulley, and epicoele is equipped in the belt chamber roof, is equipped with cavity of resorption, institute in the wall of the belt bottom of chamber
It is intracavitary equipped with upper axis to state belt, the upper axis bottom end is equipped with from belt wheel, and described be driven between belt wheel and the main pulley is equipped with
Second belt, the upper axis top, which is equipped with, is located at the upper intracavitary upper reel, between the upper reel and the locking bar
By the first rope connection, the belt is intracavitary to be equipped with inversion axis, the inversion axis bottom end be equipped be located at it is described reversed intracavitary and with
The anti-ratchet of the lower gear engagement, the inversion axis top are equipped with positive belt wheel, and the belt is intracavitary equipped with lower axle, described
Lower axle top is equipped with secondary pulley, and transmission is equipped with third belt between the secondary pulley and the positive belt wheel, and the lower axle bottom end is set
Have be located at it is described under intracavitary lower reel, pass through the second rope connection between the lower reel and the closing piece；The unlock
Device can successively unlock the multiple locking device and the just locking device, open the lockset.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910314710.4A CN110173168B (en) | 2019-04-18 | 2019-04-18 | Composite lock |
| JP2019098928A JP6623440B1 (en) | 2019-04-18 | 2019-05-27 | Compound lock |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910314710.4A CN110173168B (en) | 2019-04-18 | 2019-04-18 | Composite lock |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110173168A true CN110173168A (en) | 2019-08-27 |
| CN110173168B CN110173168B (en) | 2020-12-29 |
Family
ID=67689783
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910314710.4A Active CN110173168B (en) | 2019-04-18 | 2019-04-18 | Composite lock |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP6623440B1 (en) |
| CN (1) | CN110173168B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111809990A (en) * | 2020-06-30 | 2020-10-23 | 中山市剑鸿电子科技有限公司 | Safety lock |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114197962B (en) * | 2021-11-17 | 2023-03-28 | 通号万全信号设备有限公司 | Automatic reset locking structure |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20080209956A1 (en) * | 2007-03-01 | 2008-09-04 | Araujo Alberto F | Multi-shackle lock and method of using the multi-shackle lock |
| US20090277230A1 (en) * | 2008-05-06 | 2009-11-12 | Abus August Bremicker Soehne Kg | Padlock having a preloaded locking member |
| CN204511066U (en) * | 2015-02-09 | 2015-07-29 | 珠海优特电力科技股份有限公司 | Anti-error electric padlock |
| CN207228834U (en) * | 2017-09-28 | 2018-04-13 | 珠海华伟电气科技股份有限公司 | A kind of passive padlock |
| US10030417B1 (en) * | 2017-01-26 | 2018-07-24 | Real Locks & Security Co., Ltd. | Induction type padlock |
| CN109113458A (en) * | 2018-10-31 | 2019-01-01 | 深圳沃圣数码科技有限公司 | A kind of fingerprint-based padlock |
-
2019
- 2019-04-18 CN CN201910314710.4A patent/CN110173168B/en active Active
- 2019-05-27 JP JP2019098928A patent/JP6623440B1/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20080209956A1 (en) * | 2007-03-01 | 2008-09-04 | Araujo Alberto F | Multi-shackle lock and method of using the multi-shackle lock |
| US20090277230A1 (en) * | 2008-05-06 | 2009-11-12 | Abus August Bremicker Soehne Kg | Padlock having a preloaded locking member |
| CN204511066U (en) * | 2015-02-09 | 2015-07-29 | 珠海优特电力科技股份有限公司 | Anti-error electric padlock |
| US10030417B1 (en) * | 2017-01-26 | 2018-07-24 | Real Locks & Security Co., Ltd. | Induction type padlock |
| CN207228834U (en) * | 2017-09-28 | 2018-04-13 | 珠海华伟电气科技股份有限公司 | A kind of passive padlock |
| CN109113458A (en) * | 2018-10-31 | 2019-01-01 | 深圳沃圣数码科技有限公司 | A kind of fingerprint-based padlock |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111809990A (en) * | 2020-06-30 | 2020-10-23 | 中山市剑鸿电子科技有限公司 | Safety lock |
| CN111809990B (en) * | 2020-06-30 | 2021-11-16 | 威海利赫自动化科技有限公司 | Safety lock |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110173168B (en) | 2020-12-29 |
| JP6623440B1 (en) | 2019-12-25 |
| JP2020176498A (en) | 2020-10-29 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110173168A (en) | A kind of composite lockset | |
| CN109296266A (en) | A kind of door locking mechanism | |
| CN109184359A (en) | A kind of door locking mechanism | |
| CN110056283A (en) | A kind of antitheft client management system | |
| CN109986119A (en) | A kind of titanium alloy plate production equipment | |
| CN109862732A (en) | A kind of communication cabinet used convenient for open air | |
| CN109267851A (en) | A kind of modernization lock handle assembly and its application method | |
| CN108903385A (en) | A kind of novel set defence means | |
| CN109113452A (en) | A kind of door locking mechanism and its application method | |
| CN110242114A (en) | A kind of intelligent anti-theft lock | |
| CN111364843A (en) | Security entrance guard's device | |
| CN109048267A (en) | A kind of hinge leaf device | |
| CN110195533B (en) | Flexible lock | |
| CN110159096B (en) | Multiple lock with enhanced security performance | |
| CN109184364A (en) | A kind of door locking mechanism | |
| CN210828692U (en) | Gear type intelligent magnetic lock body | |
| CN107587791A (en) | A kind of unlocking structure of antitheft door | |
| CN109267882A (en) | A kind of locking device applied to window | |
| CN110017075A (en) | A kind of hinge means being easily installed | |
| CN208137669U (en) | A kind of Integral electric lock | |
| CN206144278U (en) | Novel lock body structure | |
| CN201635491U (en) | Embeddable handle for safe box | |
| CN208605043U (en) | A kind of door lock lockable mechanism | |
| CN214740727U (en) | Device for limiting movement of door bolt after door opening of safe | |
| CN111593963A (en) | Lock set |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20201209 Address after: 315700 Binhai Industrial Park, Xiangshan Economic Development Zone, Ningbo City, Zhejiang Province Applicant after: XIANGSHAN WEIDUOLI HARDWARE Co.,Ltd. Address before: No.105, Lane 2891, Qilianshan South Road, Putuo District, Shanghai, 200333 Applicant before: Shanghai Chengdong Locks Co.,Ltd. |
|
| TA01 | Transfer of patent application right | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |