CN104120920B - Imprinting lock - Google Patents
Imprinting lock Download PDFInfo
- Publication number
- CN104120920B CN104120920B CN201410338841.3A CN201410338841A CN104120920B CN 104120920 B CN104120920 B CN 104120920B CN 201410338841 A CN201410338841 A CN 201410338841A CN 104120920 B CN104120920 B CN 104120920B
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- lock
- key
- disc
- groove
- pearl
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Abstract
The invention relates to an imprinting lock which comprises a key, a lock shell, a number dial, an upper lock bead, a lower lock bead, a compressed spring, a plug column and a lock shell. A key groove is formed in the number dial, and the key groove face and the key end face are oppositely provided with a convex portion and a concave portion which are mutually matched. A through hole or a gap is formed in the end face of the number dial, the upper lock bead is arranged in the through hole or the gap, the compressed spring and the lower lock bead are arranged in the lock shell, the lower lock bead stretches into the through hole or the gap of the number dial and abuts against the upper lock bead under the action of the compressed spring, and the lower lock bead stops the number dial from rotating. When the key is inserted, if the concave portion in the key end face and the convex portion of the key groove are same in shape, and the inserting portion is correct, the key can be stretched in continuously and ejects the lower lock bead out, and successful unlocking is achieved; if the inserting portion is wrong, the key can just idle. The imprinting lock is high in unlocking capacity, the lock core can be protected against violence damage, the production process is simple, the cost is low, the mutual opening rate is low, and individuation making can be achieved.
Description
Technical field
The present invention relates to a kind of theftproof lock, different from blade lock common on the market and spring lock, the present invention is a kind of new
The marking lock of type structure.
Background technology
Existing mechanical anti-theft lock is different according to its lock core principle, can be divided into spring lock, blade lock, magnetic lock.
Spring lock, is a kind of modal lock structure.Its principle is along footpath on the cylinder-type lock wicking surface of billiards structure
To being dispersed with several holes, this some holes is corresponding with the hole on lock body, and ensures necessary concentricity. load in this some holes
Lower two row's straight pins, that is, go up pellet and lower pellet. generally, in the upper pellet insertion lock core hole in lock body opening, or lock core
In lower pellet insertion lock body opening in, prevent lock core from arbitrarily rotating. after key insertion, as key bit is away from marble hole one by one
Correspondence tooth depth is corresponding with lower spring length, thus makes the contact just with lock core with lock body of the contact surface of pellet and lower pellet
Face coincides, and lock core can therefore be rotated freely, and lead agency realizes switch motion.
Spring lock comes out, and is still extensively applying at present, is being a kind of lock relatively common on the market
Tool.However, just due to also more and more substantially, mainly showing following the drawbacks of the extensive utilization of pellet lock technology, spring lock
Aspect：First, pellet end is exposed and impulse stroke is short, and pellet can directly by foreign body（Steel wire hook etc.）Touch, easily opened by technology；
2nd, non-lock key can all enter lock core, easily cause and mutually open by means of key and key tooth not etc. is not mutually opened.Oneself key can enter others' family
Lock, what is had can also even drive others' family's lock；3rd, key arbitrarily can be prepared, and can find the people of bitting on the market everywhere.4th,
Anti- technology opens weak, and generally experienced locksmith or burglar are set up tinfoil and easily can be opened with one the key mould of spring lock
Door.Or adopt " hitting spoon " method, it is known that even if also easily can open the door without the people of training of unlocking after method, just do not set
It is anti-.
Magnetic lock is repelled each other the principle that there is a natural attraction between the sexes using the permanent magnet same sex, so as to provide one kind slip permanent magnet generation
For the metal pellet in commercially available spring lock, with " key " with permanent magnet, by means of key Magnet and sliding magnet in lock
Repel each other or attracting, lock is opened or closed.As the lock is without keyhole, it is entirely avoided the shortcoming of spring lock；In addition, Magnet quilt
It is enclosed in lock or key completely, their arrangement situation be can't see in outside, so the lock has higher disguise；Again due to the lock
Without lockhole and rotatable parts, it is easier to be received by people with disability and child.
But magnetic lock but has a huge defect, is not exactly durable, this lockset magnetic on the key can be with use
Time and disappear, time longer demagnetization phenomenon is more obvious, eventually become major part disappeared magnetic key can various locksets it
Between open mutually.And the keeping of magnetic lock key is also problem, if key storage is improper, collide by gravity or run into height
Temperature all can demagnetization.Once demagnetization, lock are not just opened.
Another kind of modal lock structure is exactly blade lock, and its principle is exactly different using the change of bevel angle on the key
Tartar carry out the different blade of angle change in rotation into alignment lock core, so as to realize a kind of lock that lock core rotarily opens.Blade lock
It is a kind of higher lockset of current safety coefficient, but its complex structure, and generally existing processing, assembling be complicated, packaging efficiency is low,
The problems such as high cost.
Certainly theftproof lock on the market is not only that this is several, and species is a lot, such as compound lock, and so-called compound lock is referred to
The lock core combination of two or more different principles is locked at same.The anti-theft capability of theftproof lock essentially consists in its lock core and ties
Structure, structure are more complicated, and its anti-technology unlatching ability is better, but also just when the river rises the boat goes up for corresponding cost.So general get over
Expensive theftproof lock anti-theft capability is better, but exactly expensive price prevents the desire to purchase of user, hundreds of thousands of price
Often not among the consideration of user.
The content of the invention
Purpose of design：The weak point in background technology is avoided, a kind of theftproof lock of new structure is designed, different from main flow
The structure of lock core, anti-technology open ability by force, simple production process, and cost is relatively low.Because its supporting key be cylinder, key
Spoon end face can be designed to the marking or pattern of uniqueness, therefore be named as marking lock.
Design：In order to realize above-mentioned purpose of design, a kind of marking lock of present invention design, including lock housing, lock housing lid, number
Code-disc, hitching post, pearl of locking, lower lock pearl, compression spring, key, it is characterised in that：Lock housing end face is provided with big groove, lock housing lid
Load lock housing big groove, lock housing lid is fixedly connected with lock housing, and figure disc is placed on the cavity formed between lock housing lid and lock housing, number
Code-disc both ends of the surface are respectively held against lock housing lid and lock housing big groove bottom；Lock housing big groove center is provided with further groove, concave groove center
Through hole is provided with, built with hitching post, hitching post props up concave groove bottom to lock housing, the rotating shaft end of hitching post passes through through hole, hitching post is relative to turning
The other end connection figure disc of shaft end is simultaneously and figure disc is circumferentially fixed；At least one is arranged around lock housing big groove bottom, further groove
Individual little groove, each little groove are in compressive state built with compression spring and lower lock pearl, compression spring, and compression spring one end is supported
Firmly little groove bottom, the other end are withstood lower lock pearl and apply pressure to which；Number side surface opens up at least one through hole or breach,
The position and quantity of through hole or breach are corresponding with the position of lower lock pearl and quantity, place one and lock in each through hole or breach
Pearl, pearl of locking highly are less than figure disc thickness；Lower lock pearl part bead under the active force of compression spring stretches into the logical of figure disc
Offset in hole or breach and with pearl of locking, the pearl other end of locking props up lock housing lid；Figure disc is provided with a groove, can also claim key
Groove, key groove is with diameter greater than key diameter.Key groove depth is equal to number disc thickness and the lock difference of pearl height, key groove face and key end
Face is opposite and is provided with the protuberance for cooperating and recess combination.
In non-unlocking condition, under the active force of compression spring, lower lock pearl bead has part to stretch into figure disc to lower lock pearl
Through hole in because it is lower lock pearl can only be axially moveable, it is impossible to move radially, thus it is lower lock pearl can block figure disc, limit number
Code-disc is rotated.
When key inserts lock housing lid, key end contact figure disc, if the recess shape of key end face and figure disc
Lobe shape on key groove face is inconsistent, then key can not be inserted into bottom, and key can only dally in this position.If key end face
Recess shape it is consistent with the lobe shape on figure disc key groove face, and the position inserted is correct, then key can continue
Stretch into, now key end face withstands pearl movement of locking, pearl of locking withstands lower lock pearl movement, locks pearl contact surface when two and reaches critical
Behind face, lower lock pearl no longer blocks figure disc, and now key can be rotated, the rotation of the rotation drive figure disc of key, and number
Disk can drive hitching post to rotate again, successfully realize unlocking.
A kind of marking lock, the figure disc key groove face portion of protruding above is 2 tubular seats being arranged concentrically and two tubular seats
At least one projection arranged on the wall of side, the projection on two tubular seat side walls are shifted to install, and key end face is correspondingly arranged and supplies number
The recess of disk key groove inner bulge insertion.
A kind of marking lock, the figure disc key groove face portion of protruding above are shaped as Chinese character " flood ", and key end face is correspondingly arranged confession
The recess of figure disc key groove inner bulge insertion.
A kind of marking lock, the figure disc key groove face portion of protruding above are shaped as apple pattern, and key end face is correspondingly arranged confession
The recess of figure disc key groove inner bulge insertion.
Figure disc key groove face protrudes above the features such as the shape in portion, angle, position and can change in theory, therefore protuberance can
To combine unlimited number of shapes, corresponding key also just has countless, even if exclude possible error affecting, it is also possible to realize pole
Low mutual opening rate.
The compression spring is replaced with magnetic bead by a kind of marking lock, and magnetic bead and lower lock pearl are permanent magnet material, Liang Zhexiang
It is identical to face polarity, the elastic force that repulsion replaces compression spring is produced between magnetic bead and lower lock pearl, magnetic bead is little to prop up bottom portion of groove, under
Lock pearl part bead under the active force of magnetic bead is stretched in through hole and withstands pearl of locking.
According to the principle unlocked, non-corresponding key can only dally in figure disc end.And possible technology is opened and is exactly
Pearl of locking is withstood with many long-bar metal filaments, after pearl of locking is head-to-foot, then figure disc rotation is clamped with other instrument, because
Narrow space, be unable to hold so many instruments, also ensures that the anti-theft capability of lockset.
Further, a groove is set, and anti-drill string one end is fixed on groove, while number disk center opens a circle on hitching post
Hole, Circularhole diameter are more than anti-drilling column diameter, and the anti-drill string other end is processed through chamfering and fillet, through figure disc center hole,
Stretch in lock housing lid, anti-drill string is steel material, and corresponding key end face center opened round elongated hole, in the same of saving key materials
When, playing prevents the instrument malicious sabotage figure disc such as someone's drill bit.
Further, lock housing lid front end face is provided with a labelling, while cylindricality key side also is provided with a labelling, works as key
Bottom is can be plugged into, when rotating figure disc, 2 impression labellings on one wire, and can be observed.
Further, lock pearl and the contact of lower lock pearl face simultaneously with chamfering, the presence of chamfering is easier to allow figure disc
Rotate, lower lock pearl will not be made to block figure disc because of tolerances.
Compared with background technology, anti-technology opens ability by force to the present invention, simple production process, and cost is relatively low, Jing Guobian
The figure disc of code design, even if removing the impact of error, the mutual opening rate of marking lock can also reach very low degree；Anti- drill string sets
Putting to prevent the instrument malicious sabotage such as someone's drill bit；Figure disc key groove protrude above portion's shape can by user's designed, designed,
It is hereby achieved that the key of personalization.
Description of the drawings
Fig. 1 is marking lock explosive view.
Fig. 2 is marking lock figure disc front view.
Fig. 3 is marking lock figure disc axonometric chart.
Fig. 4 is schematic diagram when marking lock figure disc is pinned.
Fig. 5 is schematic diagram when marking lock figure disc is rotatable.
Fig. 6 is a kind of figure disc Chinese character protuberance schematic diagram.
Fig. 7 is a kind of figure disc pattern protuberance schematic diagram.
Specific embodiment
Embodiment 1：Referring to the drawings 1-5.A kind of marking lock, it is characterised in that：Including lock housing 9, lock housing lid 2, figure disc 3,
Hitching post 8, pearl 4 of locking, lower lock pearl 5, compression spring 6, key 1,9 end face of lock housing are provided with big groove, and lock housing lid 2 loads lock housing 9
Big groove, lock housing lid 2 and lock housing 9 are fixed with steady pin 10, and figure disc 3 is placed on the sky formed between lock housing lid 2 and lock housing 9
Chamber, 3 both ends of the surface of figure disc are respectively held against 9 big groove bottom surface of lock housing lid 2 and lock housing；9 big groove center of lock housing is provided with further groove, in
Groove center is provided with through hole, and built with hitching post 8, hitching post 8 props up concave groove bottom to lock housing 9, and the rotating shaft end of hitching post 8 passes through lock housing 9
Through hole, hitching post 8 relative to rotating shaft end other end connection figure disc 3 and and figure disc 3 it is circumferentially fixed；9 big groove bottom of lock housing
3 little grooves are set around face, further groove, and, built with compression spring 6 and lower lock pearl 5, compression spring 6 is in pressure for each little groove
Contracting state, one end prop up little groove bottom surface, and the other end props up lower lock pearl 5 and applies active force to lower lock pearl 5；3 end face of figure disc
3 U-shaped breach 32 are opened up, the position of U-shaped breach 32 and quantity are corresponding with the position of lower lock pearl 5 and quantity, each U-shaped breach 32
One pearl 4 of locking of interior placement, 4 height of pearl of locking are less than 3 thickness of figure disc；Lower lock pearl 5 part under the active force of compression spring 6
Bead is stretched in U-shaped breach 32 and is offseted with pearl 4 of locking, and 4 other end of pearl of locking props up lock housing lid 2, and 4 small part of pearl of locking can be with
Key 1 is contacted；Figure disc 3 is provided with a groove, can also claim key groove 33, and key groove 33 is with diameter greater than 1 diameter of key.33 depth of key groove
Equal to 3 thickness of figure disc and the difference of the height of pearl 4 of locking, 33 face of key groove and key end face are opposite and be provided with the protrusion for cooperating
Portion and recess combination.The figure disc key groove face portion of protruding above is to set on 2 tubular seats being arranged concentrically and two tubular seat side walls
At least one projection put, the projection on two tubular seat side walls are shifted to install, and key is correspondingly arranged convex for figure disc key groove face
Go out the recess of portion's insertion.
In non-unlocking condition, in the presence of compression spring 6, lower lock 5 bead of pearl has part to stretch into figure disc to lower lock pearl 5
In 3 U-shaped breach, because lower lock pearl 5 can only be axially moveable in little groove, it is impossible to move radially, therefore lower lock pearl 5 can block
Firmly figure disc 3, prevent figure disc 3 from rotating.
When the insertion lock housing of key 1 lid 2,1 end contact figure disc 3 of key and pearl 4 of locking, if 1 end face of key is recessed
Lobe shape on 33 face of portion's shape and 3 key groove of figure disc is inconsistent, then key 1 can not be inserted into bottom, and key 1 can only be in this position
It is empty and turns.If the recess shape of 1 end face of key is consistent with the lobe shape on 3 key groove of figure disc, 33 face, and insert
Position is correct, then key 1 can be continued into, and now 1 end face of key withstands pearl 4 of locking and moves, and pearl 4 of locking withstands lower lock pearl again
5 movements, after two are locked pearl contact surface reaches critical surface, lower lock pearl 5 no longer blocks figure disc 3, and now key 1 can be rotated,
The rotation of key 1 drives the rotation of figure disc 3, and figure disc 3 drives hitching post 8 to rotate, and successfully realizes unlocking.
Further, a groove is set, and 7 one end of anti-drill string is fixed on groove, while 3 center of figure disc is opened on hitching post 8
One circular hole 31, circular hole 31 are processed through chamfering and fillet and pass through number with diameter greater than 7 diameter of anti-drill string, 7 other end of anti-drill string
3 center hole 31 of disk, stretches in lock housing lid 2, anti-drill string 7 be steel material, 1 end face center opened round elongated hole of corresponding key,
While key materials are saved, playing prevents the instrument malicious sabotage such as someone's drill bit figure disc 3.
Further, 2 front end face of lock housing lid is provided with a circular labelling, while also to be provided with one circular 1 side of cylindricality key
Labelling, when 1 on position of key is correct, when can rotate figure disc 3,2 circular labellings are relative, and can be observed.
Further, lock pearl 4 and lower lock pearl 5 contact face simultaneously with chamfering, chamfering is easier to allow figure disc to rotate,
Lower lock pearl will not be made to block figure disc because of tolerances.
Embodiment 2：Referring to the drawings 6.A kind of marking lock, is characterized in that：Including key 1, lock housing lid 2, figure disc 3, lock
Pearl 4, lower lock pearl 5, magnetic bead, hitching post 8, lock housing 9, arrange 3 little grooves around big groove bottom surface in lock housing 9, further groove, each is little
Built with magnetic bead and lower lock pearl 5, magnetic bead and lower lock pearl 5 are permanent magnet material to groove, and both forward surface polarity are identical, produce mutually
Raw repulsion, magnetic bead prop up little groove bottom.3 end face of figure disc opens up 3 through holes, the position sum of through hole
Amount is corresponding with the position of lower lock pearl 5 and quantity, places a pearl 4 of locking in each through hole, and 4 height of pearl of locking is less than
3 thickness of figure disc；The lower lock part bead under the active force of magnetic bead of pearl 5 is stretched in 3 through hole of figure disc and is offseted with pearl 4 of locking, under
Lock pearl 5 plays a part of to prevent figure disc 3 from rotating, and 4 other end of pearl of locking props up lock housing lid 2,4 small part of pearl of locking and key 1
Contact；Figure disc 3 is provided with a groove, can also claim key groove 33, and key groove 33 is with diameter greater than 1 diameter of key.33 depth of key groove is equal to
The difference of 3 thickness of figure disc and the height of pearl 4 of locking, 33 face of key groove and key end face it is opposite and be provided with the protuberance for cooperating and
Recess is combined.Shape of the figure disc key groove face portion of protruding above for Chinese character " flood ", key are correspondingly arranged on figure disc key groove face
The recess of protuberance insertion.
Embodiment 3：Referring to the drawings 7.A kind of marking lock, is characterized in that：Including key 1, lock housing lid 2, figure disc 3, lock
Pearl 4, lower lock pearl 5, compression spring 6, hitching post 8, lock housing 9, figure disc 3 is provided with a groove, can also claim key groove 33,33 face of key groove and
Key end face is opposite and is provided with the protuberance for cooperating and recess combination.The figure disc key groove face portion of protruding above is Fructus Mali pumilae figure
The shape of case, key are correspondingly arranged the recess for the insertion of the figure disc key groove face portion of protruding above.
It is to be understood that：Although above-described embodiment is contrasted to the mentality of designing of the present invention, simple word is retouched
State, but these word descriptions, simply the simple text of mentality of designing of the present invention is described, rather than to mentality of designing of the present invention
Restriction, any combination, increase or modification without departing from mentality of designing of the present invention each fallen within protection scope of the present invention.
Claims (7)
1. a kind of marking lock, is characterized in that：Including lock housing, lock housing lid, figure disc, hitching post, pearl of locking, lower lock pearl, compression spring,
Key, lock housing end face are provided with big groove, and lock housing lid loads lock housing big groove, and lock housing lid is fixedly connected with lock housing, and figure disc is put
The cavity formed between lock housing lid and lock housing is put, figure disc both ends of the surface are respectively held against lock housing lid and lock housing big groove bottom surface；Lock
Shell big groove center is provided with further groove, and concave groove center is provided with through hole, and built with hitching post, hitching post props up concave groove bottom to lock housing,
The rotating shaft end of hitching post passes through through hole, and hitching post connects figure disc simultaneously relative to the other end at rotating shaft end and figure disc is circumferentially fixed；Lock
At least one little groove is set around shell big groove bottom surface, further groove, each little groove is built with compression spring and lower lock pearl；Number
The end face of code-disc opens up position and the quantity pair of the position of at least one through hole or breach, through hole or breach and quantity and lower lock pearl
Should, a pearl of locking is placed in each through hole or breach；Lower lock pearl part bead under the active force of compression spring is stretched into
Offset in figure disc through hole or breach and with pearl of locking；The figure disc is provided with key groove, and key groove face and key end face are opposite simultaneously
It is provided with the protuberance and recess combination for cooperating.
2. a kind of marking lock according to claim 1, is characterized in that：Protuberance on the key groove face of the figure disc is 2
At least one projection arranged on the individual tubular seat being arranged concentrically and two tubular seat side walls, the projection on two tubular seat side walls are wrong
Position is arranged, and the key is correspondingly arranged the recess for the insertion of figure disc key groove inner bulge.
3. a kind of marking lock according to claim 1, is characterized in that：Also include anti-drill string, arrange one on the hitching post recessed
Groove, the number disk center are provided with circular hole, and anti-drill string one end is fixed on hitching post groove, and the other end is opened through number disk center
Circular hole.
4. a kind of marking lock according to claim 3, is characterized in that：The anti-drill string is steel material.
5. a kind of marking lock according to claim 3, is characterized in that：The other end of the anti-drill string has chamfering and circle
Angle.
6. a kind of marking lock according to claim 1, is characterized in that：The end face of the lock housing lid is provided with labelling, key
Side also be provided with labelling.
7. a kind of marking lock according to claim 1, is characterized in that：The end of both the pearl and lower lock pearl contact of locking
Face is designed with chamfering.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410338841.3A CN104120920B (en) | 2014-07-17 | 2014-07-17 | Imprinting lock |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410338841.3A CN104120920B (en) | 2014-07-17 | 2014-07-17 | Imprinting lock |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104120920A CN104120920A (en) | 2014-10-29 |
| CN104120920B true CN104120920B (en) | 2017-03-22 |
Family
ID=51766536
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410338841.3A Expired - Fee Related CN104120920B (en) | 2014-07-17 | 2014-07-17 | Imprinting lock |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104120920B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TW201736701A (en) * | 2016-04-07 | 2017-10-16 | Hong Lai-Bo | Lock device having trap locking element and application thereof increase complication of unlocking locks by adding "trap locking element" |
| CN111997444A (en) * | 2020-09-14 | 2020-11-27 | 雷关东 | Lock core with multiple coding lock discs |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TW415476U (en) * | 1999-10-11 | 2000-12-11 | Hung Chuen Yi | Cylindrical lock and its key |
| CN2663605Y (en) * | 2003-08-13 | 2004-12-15 | 振勋工业有限公司 | Shaft type lock pin and modified key thereof |
| CN102373834A (en) * | 2011-10-28 | 2012-03-14 | 李伟亮 | Novel anti-theft lock |
| CN202745515U (en) * | 2012-09-15 | 2013-02-20 | 新疆同心索科技有限公司 | Axial spring lock core and key |
| CN203939311U (en) * | 2014-07-17 | 2014-11-12 | 温州市安德力锁业有限公司 | A kind of novel marking lock |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3828797B2 (en) * | 2001-10-02 | 2006-10-04 | 株式会社栃木屋 | Locking device |
| US7171833B1 (en) * | 2006-02-10 | 2007-02-06 | Kun-Yu Wu | Cylinder lock |
| CN201241514Y (en) * | 2008-08-07 | 2009-05-20 | 冠星工业有限公司 | Positioning quincuncial lock |
| US8393189B1 (en) * | 2011-12-14 | 2013-03-12 | Sheng-Ting Lin | Tubular lock and a key for the same |
-
2014
- 2014-07-17 CN CN201410338841.3A patent/CN104120920B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TW415476U (en) * | 1999-10-11 | 2000-12-11 | Hung Chuen Yi | Cylindrical lock and its key |
| CN2663605Y (en) * | 2003-08-13 | 2004-12-15 | 振勋工业有限公司 | Shaft type lock pin and modified key thereof |
| CN102373834A (en) * | 2011-10-28 | 2012-03-14 | 李伟亮 | Novel anti-theft lock |
| CN202745515U (en) * | 2012-09-15 | 2013-02-20 | 新疆同心索科技有限公司 | Axial spring lock core and key |
| CN203939311U (en) * | 2014-07-17 | 2014-11-12 | 温州市安德力锁业有限公司 | A kind of novel marking lock |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104120920A (en) | 2014-10-29 |
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| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
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Granted publication date: 20170322 Termination date: 20190717 |