CN104563631A - Mechanical combination lock - Google Patents
Mechanical combination lock Download PDFInfo
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- CN104563631A CN104563631A CN201510014397.4A CN201510014397A CN104563631A CN 104563631 A CN104563631 A CN 104563631A CN 201510014397 A CN201510014397 A CN 201510014397A CN 104563631 A CN104563631 A CN 104563631A
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- lock
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- lock housing
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Abstract
The invention relates to a mechanical combination lock, comprising a lock shell and a lock mechanism in the lock shell; the lock mechanism comprises a rotating wheel, a connecting shaft, an unlocking strip, a transmission part, a slide part, balance rods, balance screws, balance plates, a locking rod, a positioning component and an unlocking handle. The codes of the mechanical lock are set to be the balance degree of the balance rods; that is, the up-down positions of the balance plates at the rear ends of the balance rods are adjusted by different depths of the balance screws screwed in the balance rods and by directly using the lever principle; only when second through-holes on the balance plates are aligned with one another, the mechanical lock can be unlocked, so that the shortcoming of being easily stolen in the conventional password is avoided; only a user can adjust the balance screws and balance screw rods according to the lever balance degree set for himself so as to rapidly unlock the mechanical lock; bystanders are difficult to acquire the lever type password by observation or verbal instruction; therefore, the mechanical lock ensures that the password is not easy to be stolen, and has good anti-theft function.
Description
Technical field
The present invention relates to mechanical lock technical field, specifically refer to a kind of pure mechanical code lock based on lever principle.
Background technology
The mechanical code lock sold in the market adopts numerical ciphers rotating disk form mostly, and rotating password turntable according to the password arranged when namely unblanking can open coded lock.Such lockset password can be passed through oral reception and registration, is easily eavesdropped acquisition password by others, and also easily peeped by others' when unblanking and obtain password, security performance has much room for improvement.
Authorization Notice No. is Chinese invention patent " the straight inserting opening counter lock " (application number: 200610019988.1) disclose a kind of structure of CN1908355B, lever principle is applied in lockset by this structure, set up the balanced lever be articulated with on lock body, the two ends, left and right of this balanced lever are respectively equipped with downward hook shape portion, when unblanking, the key matched with this lock to be inserted each balanced lever jack-up completely in key channel to equilbrium position, the hook shape portion at two ends, all balanced lever left and right and the flange at the first lockplate two ends are in released state (namely two ends hook the bottom in shape portion all higher than the upper surface of the first drive plate two end boss) simultaneously, now the first lockplate is released, under the second back-moving spring pulling force effect, the first lockplate is moved to the left (namely moving to the direction leaving lockhole), the upper hookhead of locking lever is forced to move down the locating hole of disengaging first lockplate, the locating hole of disengaging second lockplate and upper hookhead moves up, thus the constraint removed the second lockplate, second lockplate and locking bolt are moved to the left the groove departed from inside lock tube free end under action of reset spring, thus lock tube free end can outwards be opened.Because said structure adopts a column balancing lever as the parts of locking first lockplate, only has the key adopting and match with this lock, by all balanced lever jack-up to equilbrium position, further lock could be opened, the introducing of balanced lever adds the difficulty that lockset is unblanked, and enhances the anti-theft feature of lock.But because the balanced lever in lockset adopts the key coordinated with lock to carry out operating, if there is people to adopt illegal means to obtain key, lockset can be opened equally, the anti-theft feature so strengthening lockset just loses meaning.
Therefore, for the current mechanical lock based on lever principle, await making further improvements.
Summary of the invention
Technical problem to be solved by this invention is the present situation for prior art, provides the mechanical code lock that a kind of password is not easily stolen.
The present invention solves the problems of the technologies described above adopted technical scheme: a kind of mechanical code lock, comprises lock housing and is arranged at the latch mechanism in this lock housing, it is characterized in that described lock housing has lockhole;
Described latch mechanism comprises:
Connecting axle, is longitudinally arranged in aforementioned lock housing;
Runner, for semicircular and middle part has extended internally connecting portion and front portion offers at least three the first through holes, aforesaid connecting portion can be located on aforesaid connecting axle rotationally;
To unblank bar, arrange for semicircular and near the inside wall of aforementioned runner, the inside wall of this bar of unblanking is provided with internal tooth;
Driving member, is connected on aforementioned runner, and lower end is provided with the gear be meshed with aforementioned internal tooth, and upper end is provided with the first bevel gear;
Shifting part, front end is exposed to the front end face of lock housing, and rear end is provided with second bevel gear that can be meshed with aforementioned first bevel gear;
Balancing pole, is at least three, and every root balancing pole runs through the first corresponding through hole and is set up on runner, and the front end of every root balancing pole all has screwed hole, is connected with a mass screw that can move forward and backward in each screwed hole; The rear end of every root balancing pole is vertically provided with a balancing patch, this balancing patch offers the second through hole passed for aforementioned bar of unblanking;
Securing rod, is horizontally set in aforesaid lock housing and also can inserts in lockhole, and downside has the protuberance arranged along securing rod length direction, and the middle part of this protuberance is formed with tooth bar, and the upside of described securing rod has locating hole;
Positioning component, to be arranged at above aforementioned securing rod and to have the backstay that can insert in locating hole, and one end sidewall had for bar of unblanking is inserted thus the jack lifted by backstay; And
Unblank handle, be connected with aforementioned runner and be exposed to the front end face of lock housing, rear end is meshed with the tooth bar on aforementioned securing rod by a gear train.
In such scheme, described positioning component comprises housing and is arranged at spring, backstay and the fastener in this housing, the upper end of described spring is connected with the top of housing, the lower end of described spring is connected with the top of fastener, backstay is connected to the bottom of fastener, the bottom of described housing has the third through-hole passed for backstay, one sidewall of described housing has longitudinal chute exposed for the card division on fastener, pull described fastener that backstay can be driven to move down downwards along this chute; The rear end face of described lock housing has and passes for staff and pull the first gathering hole of fastener; When locking, first rotate handle of unblanking, securing rod moves horizontally and passes the lockhole in lock housing under the drive of gear train, then hand stretches in the first gathering hole by user, manually fastener is pulled down, drive backstay to snap in the locating hole of securing rod, thus achieve and firmly lock.
In order to effectively utilize the inner space of lock housing, as much as possible lock housing being done little, the rear end face of described lock housing having the T-shaped hole supplying the rear end of runner and bar of unblanking to pass.
For the ease of operation, the front end face of described lock housing has the second gathering hole exposed for balancing pole, mass screw and runner front portion; The below of described second gathering hole offers horizontal confession and to unblank the 3rd gathering hole of handle horizontal movement.
In above-mentioned each preferred version, the right of described second gathering hole extends to form the strip shape gob slipped into for balancing pole to the right along middle part, arranging this structure is to reduce the observation degree of onlooker to lock housing internal construction to greatest extent meeting in the scope that balancing pole moves horizontally, thus guarantees that lever password can not be revealed.
Preferably, the lock housing of described second gathering hole lower left is provided with one and prevents from unblanking the pin that handle is moved to the left, cause the damage of lock to prevent user from operating excessively.
Compared with prior art, the invention has the advantages that: the balanced degree password of mechanical lock being set to balancing pole, namely not adopt combined type digital password conventional in prior art or the combination of key and password, but directly utilize lever principle, the upper-lower position of the balancing patch of adjustment rod rear end by the degree of depth difference in mass screw screw-in balancing pole, only have and mechanical lock could be opened when the second through hole on each balancing patch aligns mutually, doing so avoids the drawback that ordinary cryptographic is easily stolen, only have user can come adjustment screw and balance screw rod according to the lever balance degree of oneself setting, thus fast mechanical lock is opened, onlooker is difficult to obtain lever password by observing or explain in words, the password that this guarantees mechanical lock of the present invention is not easily stolen, there is good anti-theft feature, meanwhile, user can arrange the degree of balance of lever by the weight of processing balancing patch or hole size etc., change password.
Accompanying drawing explanation
Fig. 1 is the structural representation of the embodiment of the present invention;
Fig. 2 is the structural representation of another angle of the embodiment of the present invention;
Fig. 3 is the exploded view of Fig. 1;
Fig. 4 is the exploded view of another angle of Fig. 1;
Fig. 5 is the exploded view of the another angle of Fig. 1;
Fig. 6 is the exploded view of positioning component in Fig. 3.
Detailed description of the invention
Below in conjunction with accompanying drawing embodiment, the present invention is described in further detail.
As shown in figs. 1 to 6, the mechanical code lock of the present embodiment comprises lock housing 1 and is arranged at the latch mechanism in this lock housing 1, and the latch mechanism in the present embodiment comprises runner 3, connecting axle 4, bar 5 of unblanking, driving member 6a, shifting part 6b, balancing pole 7a, mass screw 7b, balancing patch 7c, securing rod 8, positioning component 9 and handle 2 of unblanking.On the top board that lock housing 1 is fixed on respectively by screw in the upper end of connecting axle 4 and lower end and base plate, runner 3 is shaped to has certain thickness half-annuli, the middle part of runner 3 extends internally and is formed with connecting portion 30, and what runner 3 was rotated by connecting portion 30 is connected on connecting axle 4.Bar 5 of unblanking is shaped to the half-annuli matched with runner 3, and bar 5 of unblanking is arranged near the inside wall of runner 3, and the inside wall of bar 5 of unblanking has internal tooth 51.The middle part of driving member 6a is connected with runner 3 and does not hinder driving member 6a to rotate relative to runner 3, and the lower end of driving member 6a is provided with the gear 61a be meshed with the internal tooth 51 of bar 5 of unblanking, and the upper end of driving member 6a is provided with the first bevel gear 62a.Shifting part 6b is fixed on inside the top board of lock housing 1 by a fixed block 61b, the front end of shifting part 6b is exposed to the front end face of lock housing 1, the front end face of lock housing 1 is provided with the steady pin 11 of fixing shifting part 6b, the rear end of shifting part 6b is provided with a second bevel gear 62b that can be meshed with the first bevel gear 62a, rotary dial part 6b can drive driving member 6a to rotate, because the gear 61a of driving member 6a lower end is meshed with the internal tooth 51 of bar 5 of unblanking, therefore, rotary dial part 6b can drive bar 5 of unblanking to move, but, under mechanical lock lock-out state, driving member 6a does not contact with shifting part 6b, namely the first bevel gear 62a and the second bevel gear 62b can not engage each other, so bar 5 of unblanking can not be driven to move at mechanical lock lock-out state backspin transfer moving part 6b.
The rear end of handle 2 of unblanking is connected with the connecting portion 30 of runner 3, the front end face of lock housing 1 offers horizontal confession to unblank the 3rd gathering hole 13 that handle 2 moves horizontally, stir along the 3rd gathering hole 13 handle 2 of unblanking to the right can drive runner 3 and unblank articles 5 to turn right around connecting axle 4, when runner 3 is after connecting axle 4 turns right certain distance, driving member 6a contacts with shifting part 6b, namely the first bevel gear 62a is meshed with the second bevel gear 62b, rotating shifting part 6b can drive driving member 6a to rotate, the bar 5 of unblanking be meshed with driving member 6a can be driven further to move.
Balancing pole 7a in the present embodiment has three, corresponding, the front portion of runner 3 has three the first through holes 31 passed for balancing pole 7a, and balancing pole 7a runs through the first through hole 31 and is set up on runner 3.The front end of every root balancing pole 7a all has a screwed hole, can move forward and backward in the screwed hole that mass screw 7b is threadedly connected to corresponding balancing pole 7a; The rear end of every root balancing pole 7a is connected with a balancing patch 7c, and balancing patch 7c is vertically arranged, and balancing patch 7c offers the second through hole 71c passed for bar 5 of unblanking.The front end face of lock housing 1 has the second gathering hole 12 exposed for balancing pole 7a, mass screw 7b and runner 3 front portion.Securing rod 8 is horizontally set in lock housing 1, the downside of securing rod 8 has the protuberance 81 arranged along securing rod 8 length direction, the middle part of this protuberance 81 is formed with tooth bar 811, handle 2 of unblanking is meshed with the tooth bar 811 on securing rod 8 by a gear train 10, rotation handle 2 of unblanking can drive securing rod 8 to move left and right, and the sidewall of lock housing 1 has the lockhole 14 passed for securing rod 8.
The upside of securing rod 8 offers locating hole, corresponding, positioning component 9 has the backstay 91 that can insert in locating hole.Concrete, positioning component 9 is arranged at above securing rod 8, positioning component 9 comprises housing 90 and is arranged at the spring 92 in this housing 90, backstay 91 and fastener 93, the upper end of spring 92 is connected with the top of housing 90, the lower end of spring 92 is connected with the top of fastener 93, backstay 91 is connected to the bottom of fastener 93, the bottom of housing 90 has the third through-hole 901 passed for backstay 91, one lower sidewall of fastener 93 has the card division 931 of outwardly convex, one sidewall of housing 90 has longitudinal chute 94 exposed for card division 931, pull card division 931 that backstay 91 can be driven to move down and locate downwards along this chute 94, thus prevent securing rod 8 from moving left and right, the one end another side of housing 90 had for bar 5 of unblanking is inserted thus the jack 95 lifted by backstay 91, thus eliminating the position-limiting action to securing rod 8, thus by rotating handle 2 of unblanking, securing rod 8 can be exited in the lockhole 14 of lock housing 1, mechanical lock is opened.The rear end face of lock housing 1 has and passes for staff and pull the first gathering hole 15 of fastener 93, when locking, first rotate handle 2 of unblanking, securing rod 8 moves horizontally and passes the lockhole 14 in lock housing 1 under the drive of gear train 10, then hand stretches in the first gathering hole 15 by user, manually fastener 93 is pulled down, drive backstay 91 to snap in the locating hole of securing rod 8, thus achieve the secure lock of mechanical lock.
In the present embodiment, in order to effectively utilize the inner space of lock housing 1, as much as possible lock housing 1 being done little, the rear end face of lock housing 1 having the T-shaped hole 16 passed for runner 3 and the rear end of unblanking bar 5.For the ease of operation, the right of second gathering hole 12 extends to form the strip shape gob 17 slipped into for balancing pole 7a to the right along middle part, arranging this structure is to reduce the observation degree of onlooker to lock housing 1 internal construction to greatest extent meeting in the scope that balancing pole 7a moves horizontally, thus guarantees that lever password can not be revealed.The lock housing 1 of the second gathering hole 12 lower left is provided with one to prevent from unblanking the pin 18 that handle 2 is moved to the left, causes the damage of lock to prevent user from operating excessively.
When using the mechanical lock of the present embodiment to lock, first rotate handle 2 of unblanking, securing rod 8 moves horizontally and passes the lockhole 14 in lock housing 1 under the drive of gear train 10, then hand stretches in the first gathering hole 15 by user, manually fastener 93 is pulled down, backstay 91 is driven to snap in the locating hole of securing rod 8, thus achieve the secure lock of mechanical lock, under mechanical lock lock-out state, the rear end of runner 3 and bar 5 of unblanking is through T-shaped hole 16, the unblank front end of bar 5 does not contact with balancing patch 7c, and balancing pole 7a is in nonequilibrium condition, namely the second through hole 71c on three balancing patch 7c does not line up.When needing to unblank, first screw in the degree of depth in balancing pole 7a by adjustment screw 7b and balancing pole 7a is balanced, even if the second through hole 71c on three balancing patch 7c aligns mutually, then handle 2 of unblanking is stirred to the right, runner 3 and bar 5 of unblanking is driven to move right, rear end to runner 3 and bar 5 of unblanking moves in lock housing 1 from T-shaped hole 16, balancing pole 7a moves in strip shape gob 17, now, driving member 6a contacts with shifting part 6b, first bevel gear 62a is meshed with the second bevel gear 62b, rotating shifting part 6b drives driving member 6a to rotate, because the internal tooth 51 of unblanking on bar 5 is meshed with the second gear 61a on driving member 6a, therefore, bar 5 of unblanking can be driven further to move, until unblank, the front end of bar 5 is through the second through hole 71c on balancing patch 7c, and insert in the jack 95 of positioning component 9, fastener 93 thus the effect eliminated between fastener 93 and housing 90 are impacted in the unblank front end of bar 5, backstay 93 is upwards retracted in housing 90 under the effect of spring 92, thus eliminate the position-limiting action of backstay 91 pairs of securing rods 8, now, rotation is unblanked handle 2, securing rod 8 can move horizontally and exit the lockhole 14 in lock housing 1 under the drive of gear train 10, realize unblanking of mechanical lock.
Password is set to the balanced degree of balancing pole 7a by the mechanical lock of the present embodiment, namely not adopt combined type digital password conventional in prior art or the combination of key and password, but directly utilize lever principle, the upper-lower position of the balancing patch 7c of adjustment bar 7a rear end by the degree of depth difference in mass screw 7b screw-in balancing pole 7a, only have and mechanical lock could be opened when the second through hole 71c on each balancing patch 7c aligns mutually, doing so avoids the drawback that ordinary cryptographic is easily stolen, only have user can carry out adjustment screw 7b and balance screw rod 7a according to the lever balance degree of oneself setting, thus fast mechanical lock is opened, onlooker is difficult to obtain lever password by observing or explain in words, the mechanical lock password that this guarantees the present embodiment is not easily stolen, there is good anti-theft feature.
Claims (8)
1. a mechanical code lock, comprises lock housing and is arranged at the latch mechanism in this lock housing, it is characterized in that described lock housing has lockhole;
Described latch mechanism comprises:
Connecting axle, is longitudinally arranged in aforementioned lock housing;
Runner, for semicircular and middle part has extended internally connecting portion and front portion offers at least three the first through holes, aforesaid connecting portion can be located on aforesaid connecting axle rotationally;
To unblank bar, arrange for semicircular and near the inside wall of aforementioned runner, the inside wall of this bar of unblanking is provided with internal tooth;
Driving member, is connected on aforementioned runner, and lower end is provided with the gear be meshed with aforementioned internal tooth, and upper end is provided with the first bevel gear;
Shifting part, front end is exposed to the front end face of lock housing, and rear end is provided with second bevel gear that can be meshed with aforementioned first bevel gear;
Balancing pole, is at least three, and every root balancing pole runs through the first corresponding through hole and is set up on runner, and the front end of every root balancing pole all has screwed hole, is connected with a mass screw that can move forward and backward in each screwed hole; The rear end of every root balancing pole is vertically provided with a balancing patch, this balancing patch offers the second through hole passed for aforementioned bar of unblanking;
Securing rod, is horizontally set in aforesaid lock housing and also can inserts in lockhole, and downside has the protuberance arranged along securing rod length direction, and the middle part of this protuberance is formed with tooth bar, and the upside of described securing rod has locating hole;
Positioning component, to be arranged at above aforementioned securing rod and to have the backstay that can insert in locating hole, and one end sidewall had for bar of unblanking is inserted thus the jack lifted by backstay; And
Unblank handle, be connected with aforementioned runner and be exposed to the front end face of lock housing, rear end is meshed with the tooth bar on aforementioned securing rod by a gear train.
2. mechanical code lock according to claim 1, it is characterized in that: described positioning component comprises housing and is arranged at spring, backstay and the fastener in this housing, the upper end of described spring is connected with the top of housing, the lower end of described spring is connected with the top of fastener, described backstay is connected to the bottom of fastener, the bottom of described housing has the third through-hole passed for backstay, one sidewall of described housing has longitudinal chute exposed for fastener, pull described fastener that backstay can be driven to move down downwards along this chute.
3. mechanical code lock according to claim 2, is characterized in that: the rear end face of described lock housing has and passes for staff and pull the first gathering hole of fastener.
4. the mechanical code lock according to claim 1 or 2 or 3, is characterized in that: the rear end face of described lock housing has the T-shaped hole supplying the rear end of runner and bar of unblanking to pass.
5. the mechanical code lock according to claim 1 or 2 or 3, is characterized in that: the front end face of described lock housing has the second gathering hole exposed for balancing pole, mass screw and runner front portion.
6. mechanical code lock according to claim 5, is characterized in that: the below of described second gathering hole offers horizontal confession and to unblank the 3rd gathering hole of handle horizontal movement.
7. mechanical code lock according to claim 6, is characterized in that: the right of described second gathering hole extends to form the strip shape gob slipped into for balancing pole to the right along middle part.
8. mechanical code lock according to claim 6, is characterized in that: the lock housing of described second gathering hole lower left is provided with one and prevents from unblanking the pin that handle is moved to the left.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510014397.4A CN104563631B (en) | 2015-01-01 | 2015-01-01 | Mechanical combination lock |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510014397.4A CN104563631B (en) | 2015-01-01 | 2015-01-01 | Mechanical combination lock |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104563631A true CN104563631A (en) | 2015-04-29 |
| CN104563631B CN104563631B (en) | 2017-01-11 |
Family
ID=53080628
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510014397.4A Expired - Fee Related CN104563631B (en) | 2015-01-01 | 2015-01-01 | Mechanical combination lock |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104563631B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108060857A (en) * | 2017-12-11 | 2018-05-22 | 宁波帝杨电子科技有限公司 | A kind of safety box |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1091064A2 (en) * | 1999-10-07 | 2001-04-11 | Roto Frank Eisenwarenfabrik Aktiengesellschaft | Handle operated lock with a plurality of locking bolts |
| CN102242580A (en) * | 2010-05-10 | 2011-11-16 | 谭智远 | Novel key type mechanical cipher device |
| CN102296889A (en) * | 2010-06-28 | 2011-12-28 | 王卫东 | Push button type mechanical password lock |
| CN202131851U (en) * | 2011-06-01 | 2012-02-01 | 肖守宇 | Password spring lock |
-
2015
- 2015-01-01 CN CN201510014397.4A patent/CN104563631B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1091064A2 (en) * | 1999-10-07 | 2001-04-11 | Roto Frank Eisenwarenfabrik Aktiengesellschaft | Handle operated lock with a plurality of locking bolts |
| CN102242580A (en) * | 2010-05-10 | 2011-11-16 | 谭智远 | Novel key type mechanical cipher device |
| CN102296889A (en) * | 2010-06-28 | 2011-12-28 | 王卫东 | Push button type mechanical password lock |
| CN202131851U (en) * | 2011-06-01 | 2012-02-01 | 肖守宇 | Password spring lock |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108060857A (en) * | 2017-12-11 | 2018-05-22 | 宁波帝杨电子科技有限公司 | A kind of safety box |
| CN108060857B (en) * | 2017-12-11 | 2019-12-03 | 台州市智诚工业设计有限公司 | A kind of safety box |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104563631B (en) | 2017-01-11 |
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| CB03 | Change of inventor or designer information |
Inventor after: Mai Mingxian Inventor before: Zhuang Qianfeng |
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| CB03 | Change of inventor or designer information | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20170512 Address after: 528400 Dongsheng Road, Dongsheng Town, Zhongshan, Guangdong Patentee after: Zhongshan Shili Locks Products Co., Ltd. Address before: 315899 Zhejiang province Ningbo bonded area agriculture building room 582 Patentee before: NINGBO DIYANG ELECTRONIC TECHNOLOGY CO., LTD. |
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Granted publication date: 20170111 Termination date: 20200101 |
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| CF01 | Termination of patent right due to non-payment of annual fee |