CN102677982B - Electronic door lock - Google Patents
Electronic door lock Download PDFInfo
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- CN102677982B CN102677982B CN201110458630.XA CN201110458630A CN102677982B CN 102677982 B CN102677982 B CN 102677982B CN 201110458630 A CN201110458630 A CN 201110458630A CN 102677982 B CN102677982 B CN 102677982B
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- 230000006698 induction Effects 0.000 claims abstract description 15
- 238000005516 engineering process Methods 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- FGRBYDKOBBBPOI-UHFFFAOYSA-N 10,10-dioxo-2-[4-(N-phenylanilino)phenyl]thioxanthen-9-one Chemical compound O=C1c2ccccc2S(=O)(=O)c2ccc(cc12)-c1ccc(cc1)N(c1ccccc1)c1ccccc1 FGRBYDKOBBBPOI-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 230000002045 lasting effect Effects 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
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Abstract
The invention relates to the technical field of door lock devices, in particular to an electronic door lock device. The electronic door lock comprises a handle, and a driving wheel, a gear accelerating mechanism, a flywheel, a generator and an induction clutch, which are connected with the handle, wherein the driving wheel is engaged with the gear accelerating mechanism, the gear accelerating mechanism is in drive connection with the flywheel, and the flywheel is connected with the generator; the induction clutch comprises a first magnetic coil, a second magnetic coil, a vertical sliding rod and a transverse sliding rod, a limiting mechanism is arranged on one end of the vertical sliding rod, one end of the vertical sliding rod is connected with the transverse sliding rod, the other end of the vertical sliding rod is connected with the second magnet coil through a spring, one end of the transverse sliding rod is connected with the driving wheel, and the other end of the transverse sliding rod is connected with the first magnet coil through the spring. According to the invention, the electronic door lock is very convenient to use, the induction clutch can effectively control actions of the gear accelerating mechanism to prevent from burning a circuit due to excessive electric quantity. According to the invention, five gear sets are tightly connected, so that a floor space is small, a mounting area of the electronic gate is greatly reduced, and the application range is wide.
Description
Technical field
The present invention relates to door latch device technical field, particularly relate to a kind of electronic lock.
Background technology
Modernized society, new and high technology emerges in an endless stream, and that increasing product, equipment move towards is high-end, simplify, road easily, and electronic, automated production is seen everywhere, and has also occurred gradually electronic lock.
Electronic lock comprises, handle and electronic control system, electronic control system is passed through powered battery, be the control circuit board of a reading-card type door lock application life of battery, a slice Card Reader IC, when normal work electric current the chances are 30 milliamperes, the electric current consuming when a revolution the chances are 40 milliamperes.What general door lock adopted is the alkaline battery of 4 joint 1.5V 750 MAHs, can be for motor operations for up to 18 hours, and Card Reader IC work about 25 hours.4 common batteries prices all exceed 10 yuan, no matter consider from economic angle or from environmental protection and energy saving angle, do not meet the requirement of product design completely.
Therefore engineer considers to use hand-driven mechanism mechanism, producing electric power is electronic control system power supply, but the general switch gate of handle only can rotate 45 °, rotation distance is very little, for to electronic control system charging, needs lasting swing handle, use inconvenience, and handle rotates for a long time, easily produce mechanical failure, affect the use of electronic lock.
Therefore,, for the deficiencies in the prior art part, need badly and provide a kind of electronic lock technology easy to use, that generating efficiency is high very necessary to overcome prior art deficiency.
Summary of the invention
The object of the invention is to avoid weak point of the prior art and a kind of easy to use, electronic lock that generating efficiency is high is provided.
Object of the present invention realizes by following technical measures:
A kind of electronic lock is provided, the driving wheel, gear speed increasing mechanism, flywheel, generator and the induction clutch that comprise handle, be connected with handle, described driving wheel engages with described gear speed increasing mechanism, described gear speed increasing mechanism drives and is connected with described flywheel, and described flywheel is connected with described generator; Described induction clutch comprises the first electromagnetic coil, the second electromagnetic coil, longitudinal slide bar and horizontal sliding bar, described longitudinal slide bar one end is provided with position-limit mechanism, and be connected with described horizontal sliding bar, the other end is connected with described the second electromagnetic coil by spring, described horizontal sliding bar one end is connected with described driving wheel, and the other end is connected with described the first electromagnetic coil by spring.
Wherein, described position-limit mechanism comprises position-limitting pin, and described position-limitting pin is arranged in described horizontal sliding bar.
Wherein, described horizontal sliding bar is provided with spacing hole, and described position-limitting pin is arranged in described spacing hole.
Wherein, described horizontal sliding bar is provided with hook ring, and described hook ring is fixedly connected with described driving wheel.
Wherein, described electric energy induction clutch is provided with controller, and described controller is electrically connected with described the first electromagnetic coil and the second electromagnetic coil respectively.
Wherein, described gear speed increasing mechanism comprises the first gear train, the second gear train, the 3rd gear train, the 4th gear train, the 5th gear train, described the first gear train and described the second gear train are connected with a joggle, described the second gear train and described the 3rd gear train are connected with a joggle, described the 3rd gear train and described the 4th gear train are connected with a joggle, described the 4th gear train and described the 5th gear train are connected with a joggle, and described the 5th gear train is connected with described flywheel.
Wherein, described the first gear train comprises the first gear and the second gear, described the first gear is coaxial with described the second gear, described the second gear train comprises the 3rd gear and the 4th gear, described the 3rd gear is coaxial with described the 4th gear, described the 3rd gear train comprises the 5th gear and the 6th gear, described the 5th gear is coaxial with described the 6th gear, described the 4th gear train comprises the 7th gear and octadentate wheel, described the 7th gear is coaxial with described octadentate wheel, described the 5th gear train comprises the 9th gear, described the 9th gear engages with described octadentate wheel, described the 9th gear is coaxial with described flywheel.
Wherein, described the first gear is arranged at described the second gear top, described the 3rd gear is arranged at described the second gear one side, described the 4th gear is arranged at described the 3rd gear below, described the 5th gear is arranged at described the second gear below, described the 4th gear, the 5th gear is arranged at respectively between described the second gear and the 6th gear, described the 6th gear is arranged at described the 5th gear below, described the 7th gear is arranged at the 4th gear below, described the 6th gear, the 7th gear is arranged at respectively between described the 4th gear and octadentate wheel, described octadentate wheel is arranged at described the 7th gear below, described the 9th gear is arranged at described octadentate and takes turns a side, described flywheel is arranged at described the 9th gear top.
Wherein, described driving wheel is the driving wheel of the number of teeth 100, modulus 0.5m..
Wherein, described the first gear is the number of teeth 40, the first gear of modulus 0.5mm, the second gear is the number of teeth 70, the second gear of modulus 0.3mm, the 3rd gear is the number of teeth 20, the 3rd gear of modulus 0.3mm, the 4th gear is the number of teeth 70, the 4th gear of modulus 0.3mm, the 5th gear is the number of teeth 20, the 5th gear of modulus 0.3mm, the 6th gear is the number of teeth 70, the 6th gear of modulus 0.3mm, described the 7th gear is the number of teeth 20, the 7th gear of modulus 0.3mm, described octadentate wheel is the number of teeth 100, the octadentate wheel of modulus 0.3mm, described the 9th gear is the number of teeth 20, the 9th gear of modulus 0.3mm.
Beneficial effect of the present invention:
A kind of electronic lock, the driving wheel, gear speed increasing mechanism, flywheel, generator and the induction clutch that comprise handle, be connected with handle, described driving wheel engages with described gear speed increasing mechanism, and described gear speed increasing mechanism drives and is connected with described flywheel, and described flywheel is connected with described generator; Described induction clutch comprises, comprise the first electromagnetic coil, the second electromagnetic coil, longitudinal slide bar and horizontal sliding bar, described longitudinal slide bar one end is provided with position-limit mechanism, and be connected with described horizontal sliding bar, the other end is connected with described the second electromagnetic coil by spring, described horizontal sliding bar one end is connected with described driving wheel, and the other end is connected with described the first electromagnetic coil by spring.
The effective angle of obliquity degree of handle only has 45 °, gear speed increasing mechanism can be amplified to five pairs of gear trains of 67 circle by the swing of 1/4th circles handle transmission has been improved to 536 times to the rotating speed of driving wheel, effectively increase the kinetic energy of handle generation by flywheel and generator output, be converted to electric energy and can be embodied as electronic control system charging, extremely easy to use, the effectively running of control gear speed increasing mechanism of induction clutch, prevents from, owing to producing excessive electric weight, causing burning circuit.
5 gear trains of the present invention connect closely, take up room little, have reduced greatly the erection space of electronic lock, applied widely.
Brief description of the drawings
The invention will be further described to utilize accompanying drawing, but embodiment in accompanying drawing does not form any limitation of the invention.
Fig. 1 is the structural representation of gear speed increasing mechanism of the present invention.
In Fig. 1, include:
1---driving wheel, 2---the first gear, 3---the second gear, 4---the 3rd gear, 5---the 4th gear,
6---the 5th gear, 7---the 6th gear, 8---the 7th gear, 9---octadentate wheel, 10---the 9th gear,
11---flywheel, 12---generator.
Detailed description of the invention
Below in conjunction with embodiment, the present invention is elaborated.
embodiment 1
A kind of electronic lock, as shown in Figure 1, the driving wheel 1, gear speed increasing mechanism, flywheel 11, generator 12 and the induction clutch that comprise handle, be connected with handle, described driving wheel 1 engages with described gear speed increasing mechanism, described gear speed increasing mechanism drives and is connected with described flywheel 11, and described flywheel 11 is connected with described generator 12; Described induction clutch comprises the first electromagnetic coil, the second electromagnetic coil, longitudinal slide bar and horizontal sliding bar, described longitudinal slide bar one end is provided with position-limit mechanism, and be connected with described horizontal sliding bar, the other end is connected with described the second electromagnetic coil by spring, described horizontal sliding bar one end is connected with described driving wheel, and the other end is connected with described the first electromagnetic coil by spring.
The effective angle of obliquity degree of handle only has 45 °, gear speed increasing mechanism can be amplified to five pairs of gear trains of 67 circle by the swing of 1/4th circles handle transmission has been improved to 536 times to the rotating speed of driving wheel 1, the kinetic energy that has effectively increased handle generation is exported by flywheel 11 and generator 12, be converted to electric energy and can be embodied as electronic control system charging, extremely easy to use.
, control the movement of horizontal sliding bar, and then control the position of driving wheel the first electromagnetic coil energising or the second coil electricity by respectively, install and use facility, operating efficiency is high, can control at any time the annexation of driving wheel and gear train.
Further, described position-limit mechanism comprises position-limitting pin, and described position-limitting pin is arranged in described horizontal sliding bar by position-limitting pin control, simple in structure, is easy to manufacture.
Further, described horizontal sliding bar is provided with spacing hole, and described position-limitting pin is arranged in described spacing hole.Position-limitting pin coordinates with spacing hole, good braking effect.
Further, described horizontal sliding bar is provided with hook ring, and described hook ring is fixedly connected with described driving wheel.When horizontal sliding bar moves to terminal, back down driving wheel by hook ring driving wheel is separated with gear train, when horizontal sliding bar moves to terminal, by hook ring, driving wheel is regained, again snap in gear train, finish the work.
Further, described electric energy induction clutch is provided with controller, and described controller is electrically connected with described the first electromagnetic coil and the second electromagnetic coil respectively.
In the time that electric weight is saturated, the second electromagnetic coil energising, makes it produce enough magnetic flux, vertical slide bar is adsorbed downwards, and the position-limitting pin of vertical slide bar one end departs from spacing hole, and horizontal sliding bar ejects under the effect of spring, and then drive driving wheel to leave gear train, when electric weight is during in low level, the first electromagnetic coil energising sucks back the horizontal sliding bar of release, while arriving location, the second electromagnetic coil power-off, vertical slide bar ejects, and position-limitting pin penetrates spacing hole, and horizontal sliding bar is locked.
Further, described the first gear train comprises the first gear 2 and the second gear 3, described the first gear 2 is coaxial with described the second gear 3, described the second gear train comprises the 3rd gear 4 and the 4th gear 5, described the 3rd gear 4 is coaxial with described the 4th gear 5, described the 3rd gear train comprises the 5th gear 6 and the 6th gear 7, described the 5th gear 6 is coaxial with described the 6th gear 7, described the 4th gear train comprises the 7th gear 8 and octadentate wheel 9, it is 9 coaxial that described the 7th gear 8 and described octadentate are taken turns, described the 5th gear train comprises the 9th gear 10, described the 9th gear 10 engages with described octadentate wheel 9, described the 9th gear 10 is coaxial with described flywheel 11.
Further, described the first gear 2 is arranged at described the second gear 3 tops, described the 3rd gear 4 is arranged at described the second gear 3 one sides, described the 4th gear 5 is arranged at described the 3rd gear 4 belows, described the 5th gear 6 is arranged at described the second gear 3 belows, described the 4th gear 5, the 5th gear 6 is arranged at respectively between described the second gear 3 and the 6th gear 7, described the 6th gear 7 is arranged at described the 5th gear 6 belows, described the 7th gear 8 is arranged at the 4th gear 5 belows, described the 6th gear 7, the 7th gear 8 is arranged at respectively between described the 4th gear 5 and octadentate wheel 9, described octadentate wheel 9 is arranged at described the 7th gear 8 belows, described the 9th gear 10 is arranged at described octadentate wheel 9 one sides, described flywheel 11 is arranged at described the 9th gear 10 tops.
5 gear trains of the present invention connect closely, take up room little, have reduced greatly the erection space of electronic lock, applied widely.
Embodiment 2
Embodiment 2 is with the difference of embodiment 1:
Further, the driving wheel 1 that described driving wheel 1 is the number of teeth 100, modulus 0.5m..
Further, described the first gear 2 is that the first gear 2, the second gears 3 of the number of teeth 40, modulus 0.5mm are the second gear 3 of the number of teeth 70, modulus 0.3mm,
Further, the 3rd gear 4 is that the 3rd gear 4, the four gears 5 of the number of teeth 20, modulus 0.3mm are the 4th gear 5 of the number of teeth 70, modulus 0.3mm,
Further, the 5th gear 6 is that the 5th gear 6, the six gears 7 of the number of teeth 20, modulus 0.3mm are the 6th gear 7 of the number of teeth 70, modulus 0.3mm,
Further, described the 7th gear 8 is the 7th gear 8 of the number of teeth 20, modulus 0.3mm, the octadentate wheel 9 that described octadentate wheel 9 is the number of teeth 100, modulus 0.3mm,
Further, the 9th gear 10 that described the 9th gear 10 is the number of teeth 20, modulus 0.3mm.
Finally should be noted that; above embodiment is only in order to illustrate technical scheme of the present invention but not limiting the scope of the invention; although the present invention is explained in detail with reference to preferred embodiment; those of ordinary skill in the art is to be understood that; can modify or be equal to replacement technical scheme of the present invention, and not depart from essence and the scope of technical solution of the present invention.
Claims (6)
1. an electronic lock, it is characterized in that: the driving wheel, gear speed increasing mechanism, flywheel, generator and the induction clutch that comprise handle, be connected with handle, described driving wheel engages with described gear speed increasing mechanism, described gear speed increasing mechanism drives and is connected with described flywheel, and described flywheel is connected with described generator; Described induction clutch comprises the first electromagnetic coil, the second electromagnetic coil, longitudinal slide bar and horizontal sliding bar, described longitudinal slide bar one end is provided with position-limit mechanism, and be connected with described horizontal sliding bar, the other end is connected with described the second electromagnetic coil by spring, described horizontal sliding bar one end is connected with described driving wheel, and the other end is connected with described the first electromagnetic coil by spring;
Described position-limit mechanism comprises position-limitting pin, and described position-limitting pin is arranged in described horizontal sliding bar;
Described horizontal sliding bar is provided with spacing hole, and described position-limitting pin is arranged in described spacing hole;
Described horizontal sliding bar is provided with hook ring, and described hook ring is fixedly connected with described driving wheel;
Described induction clutch is provided with controller, and described controller is electrically connected with described the first electromagnetic coil and the second electromagnetic coil respectively.
2. a kind of electronic lock according to claim 1, it is characterized in that: described gear speed increasing mechanism comprises the first gear train, the second gear train, the 3rd gear train, the 4th gear train, the 5th gear train, described the first gear train and described the second gear train are connected with a joggle, described the second gear train and described the 3rd gear train are connected with a joggle, described the 3rd gear train and described the 4th gear train are connected with a joggle, described the 4th gear train and described the 5th gear train are connected with a joggle, and described the 5th gear train is connected with described flywheel.
3. a kind of electronic lock according to claim 2, it is characterized in that: described the first gear train comprises the first gear and the second gear, described the first gear is coaxial with described the second gear, described the second gear train comprises the 3rd gear and the 4th gear, described the 3rd gear is coaxial with described the 4th gear, described the 3rd gear train comprises the 5th gear and the 6th gear, described the 5th gear is coaxial with described the 6th gear, described the 4th gear train comprises the 7th gear and octadentate wheel, described the 7th gear is coaxial with described octadentate wheel, described the 5th gear train comprises the 9th gear, described the 9th gear engages with described octadentate wheel, described the 9th gear is coaxial with described flywheel.
4. a kind of electronic lock according to claim 3, it is characterized in that: described the first gear is arranged at described the second gear top, described the 3rd gear is arranged at described the second gear one side, described the 4th gear is arranged at described the 3rd gear below, described the 5th gear is arranged at described the second gear below, described the 4th gear, the 5th gear is arranged at respectively between described the second gear and the 6th gear, described the 6th gear is arranged at described the 5th gear below, described the 7th gear is arranged at the 4th gear below, described the 6th gear, the 7th gear is arranged at respectively between described the 4th gear and octadentate wheel, described octadentate wheel is arranged at described the 7th gear below, described the 9th gear is arranged at described octadentate and takes turns a side, described flywheel is arranged at described the 9th gear top.
5. a kind of electronic lock according to claim 4, is characterized in that: described driving wheel is the driving wheel of the number of teeth 100, modulus 0.5m.
6. a kind of electronic lock according to claim 5, it is characterized in that: described the first gear is the number of teeth 40, the first gear of modulus 0.5mm, the second gear is the number of teeth 70, the second gear of modulus 0.3mm, the 3rd gear is the number of teeth 20, the 3rd gear of modulus 0.3mm, the 4th gear is the number of teeth 70, the 4th gear of modulus 0.3mm, the 5th gear is the number of teeth 20, the 5th gear of modulus 0.3mm, the 6th gear is the number of teeth 70, the 6th gear of modulus 0.3mm, described the 7th gear is the number of teeth 20, the 7th gear of modulus 0.3mm, described octadentate wheel is the number of teeth 100, the octadentate wheel of modulus 0.3mm, described the 9th gear is the number of teeth 20, the 9th gear of modulus 0.3mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110458630.XA CN102677982B (en) | 2011-12-31 | 2011-12-31 | Electronic door lock |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110458630.XA CN102677982B (en) | 2011-12-31 | 2011-12-31 | Electronic door lock |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102677982A CN102677982A (en) | 2012-09-19 |
| CN102677982B true CN102677982B (en) | 2014-10-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110458630.XA Active CN102677982B (en) | 2011-12-31 | 2011-12-31 | Electronic door lock |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102677982B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105401789B (en) * | 2015-12-24 | 2017-11-07 | 王保进 | A kind of electronic lock and handle TRT |
| CN106678005B (en) * | 2016-11-25 | 2023-08-04 | 北京摇光智能科技有限公司 | Emergency power generation system for intelligent lock |
| CN108964350A (en) * | 2017-05-23 | 2018-12-07 | 上海智易安防科技有限公司 | A kind of hand operated generator |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5040391A (en) * | 1990-08-07 | 1991-08-20 | Taiwan Fu Hsing Industry Co., Ltd. | Structure for controlling the dead bolt used in an electronic lock |
| DE4426430B4 (en) * | 1994-07-26 | 2004-07-01 | Geze Gmbh | Locking device for a door |
| CN1730877A (en) * | 2005-08-03 | 2006-02-08 | 吴斐 | Electronic lock with flywheel self-powering apparatus |
| CN2771423Y (en) * | 2005-01-12 | 2006-04-12 | 厦门万能达电子发展有限公司 | Electronic door lock using physical power source |
| DE202009004749U1 (en) * | 2009-04-28 | 2009-07-23 | Carl Wittkopp Gmbh | Lock with mechanical and electromechanical tumbler |
| CN201605899U (en) * | 2009-11-27 | 2010-10-13 | 陆小强 | Spontaneous power storage lock |
| CN102191878A (en) * | 2011-05-19 | 2011-09-21 | 陈润明 | Intelligent door lock panel device |
| CN202560489U (en) * | 2011-12-31 | 2012-11-28 | 广东力维智能锁业有限公司 | Electronic door lock |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6948685B2 (en) * | 2003-10-27 | 2005-09-27 | Hr Textron, Inc. | Locking device with solenoid release pin |
-
2011
- 2011-12-31 CN CN201110458630.XA patent/CN102677982B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5040391A (en) * | 1990-08-07 | 1991-08-20 | Taiwan Fu Hsing Industry Co., Ltd. | Structure for controlling the dead bolt used in an electronic lock |
| DE4426430B4 (en) * | 1994-07-26 | 2004-07-01 | Geze Gmbh | Locking device for a door |
| CN2771423Y (en) * | 2005-01-12 | 2006-04-12 | 厦门万能达电子发展有限公司 | Electronic door lock using physical power source |
| CN1730877A (en) * | 2005-08-03 | 2006-02-08 | 吴斐 | Electronic lock with flywheel self-powering apparatus |
| DE202009004749U1 (en) * | 2009-04-28 | 2009-07-23 | Carl Wittkopp Gmbh | Lock with mechanical and electromechanical tumbler |
| CN201605899U (en) * | 2009-11-27 | 2010-10-13 | 陆小强 | Spontaneous power storage lock |
| CN102191878A (en) * | 2011-05-19 | 2011-09-21 | 陈润明 | Intelligent door lock panel device |
| CN202560489U (en) * | 2011-12-31 | 2012-11-28 | 广东力维智能锁业有限公司 | Electronic door lock |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102677982A (en) | 2012-09-19 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: Emergency unlocking system for electronic door lock Effective date of registration: 20150731 Granted publication date: 20141015 Pledgee: Shunde Guangdong rural commercial bank Nanhai Branch of Limited by Share Ltd Pledgor: Guangdong Level Intelligent Lock Industrial Co.,Ltd. Registration number: 2015990000628 |
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Date of cancellation: 20190515 Granted publication date: 20141015 Pledgee: Shunde Guangdong rural commercial bank Nanhai Branch of Limited by Share Ltd Pledgor: Guangdong Level Intelligent Lock Industrial Co.,Ltd. Registration number: 2015990000628 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: Emergency unlocking system for electronic door lock Effective date of registration: 20190515 Granted publication date: 20141015 Pledgee: Shunde Guangdong rural commercial bank Nanhai Branch of Limited by Share Ltd Pledgor: Guangdong Level Intelligent Lock Industrial Co.,Ltd. Registration number: 2019990000430 |
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| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20220525 Granted publication date: 20141015 Pledgee: Shunde Guangdong rural commercial bank Nanhai Branch of Limited by Share Ltd. Pledgor: GUANGDONG LEVEL INTELLIGENT LOCK INDUSTRIAL Co.,Ltd. Registration number: 2019990000430 |