CN102155119B - Counting lock for lock beam - Google Patents
Counting lock for lock beam Download PDFInfo
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- CN102155119B CN102155119B CN2010106215013A CN201010621501A CN102155119B CN 102155119 B CN102155119 B CN 102155119B CN 2010106215013 A CN2010106215013 A CN 2010106215013A CN 201010621501 A CN201010621501 A CN 201010621501A CN 102155119 B CN102155119 B CN 102155119B
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Abstract
The invention relates to a counting lock for a lock beam, in particular to a counting lock applicable to customhouse containers, and belongs to the technical field of lock structures. The counting lock for the lock beam comprises a lock body (1) with a digital window (16), and is characterized in that: a lock body opening and closing device, and a transcoding device connected with the lock body opening and closing device in a control way are arranged inside the lock body (1). The counting lock for the lock beam has rational structure and design, and safe and reliable functions of counting and preventing cryptanalysis, cheating and stealing, and is easy and convenient to use.
Description
One, technical field
The present invention relates to a kind of lock bridge numeration lock, particularly be applicable to the numeration lockset that customs's container is used, belong to technical field of lockset structures.
Two, background technology
At present, the identifying code when customs's container uses the identification code of the fixing conduct of locking in the traditional sealing lock of generally employing, case envelope, the lead sealing to unblank or break seal, this method safety is not high, the as easy as rolling off a log fraud of doing, decoding and stolen, operation and maintenance is got up all cumbersome.
Three, summary of the invention
The objective of the invention is to solve the weak point that above-mentioned prior art exists, a kind of reasonable in design is provided, functional safety is reliable, has preventing decryption, anti-cheating, anti-theft feature, and is easy to use, the numeration lockset with numeration function.
The present invention realizes through following technical scheme:
A kind of lock bridge numeration lock comprises the lock body 1 that has digital window 16, and its special character is that lock body 1 inside is provided with the lock body headstock gear and by the transcoding device of lock body headstock gear control connection;
Said lock body headstock gear comprises the tapered end that has lock core 8 40, lock bridge 2, main bolt plate 37, pair bolt plate 4, the big support 26 of code wheel axle and the lock bridge briquetting of being located in the lock body 1 12; Be linked with lock core torsion spring 24 between lock core 8 and the tapered end 40; One end of lock core torsion spring 24 is fixed on the tapered end 40, and the other end is anchored on the lock core 8 through tapered end pressing plate 22; One end of main bolt plate 37 is mounted on the lock core shifting block 23 on the lock core 8, main lock bridge notch 36 snap fit that the main lock bridge 2-1 end of the other end and lock bridge 2 is offered; Pay bolt plate 4 and be installed on dead bolt and pay on the frame plate 3 and the one of which end is connected with main bolt plate 37, the other end then is used for pair lock bridge notch 5 snap fit that lock bridge 2-2 end is offered of paying with lock bridge 2; Up and down reciprocatingly slide in the set chute 20 on the big support 26 of code wheel axle with the lock bridge briquetting 12 that is movably installed in housing 1-1 bottom through lock bridge briquetting return spring 14 in the end of paying lock bridge 2-2; Offer lock bridge briquetting notch 11 on the lock bridge briquetting 12; The end that transcoding is dialled plate 9 is inserted in the lock bridge briquetting notch 11, and the other end and transcoding device that transcoding is dialled plate 9 flexibly connect; When lock body is closed; Press down the lock bridge on top; A main lock bridge 2-1 and a pair lock bridge 2-2 move down simultaneously, pay the lock bridge briquetting 12 that promotes its underpart when lock bridge 2-2 moves down and move down along the chute 20 on the big support 26 of code wheel axle, when being depressed into certain degree of depth; Main lock bridge 2-1 with pay lock bridge 2-2 respectively by main bolt plate 37, pay a bolt plate 4 and connect and fix, this is a locking; When unblanking; Insert key twisting lock core 8 from the outside; The main bolt plate 37 that is on the lock core shifting block 23 of lock core 8 is pulled, and meanwhile, also moves with the bolt plate 4 of paying that main bolt plate 37 links together thereupon; At this moment main bolt plate 37 with pay bolt plate 4 respectively with main lock bridge 2-1 on main lock bridge notch 36 and the lock bridge notch of paying on the lock bridge 2-2 5 of paying break away from; Under the effect of its underpart lock bridge briquetting return spring 14, the lock bridge 2-2 stressed lock bridge alignment pin that upwards resets to of while of paying on lock bridge briquetting 12 and its top is free rotation state at the lock bridge briquetting 12 of paying lock bridge 2-2 bottom, and this is for unblanking;
Said transcoding device comprises big support 26 of the code wheel axle that is located at housing 1-1 two ends and code wheel axle small rack 33, has from top to bottom set up digital tooth wheel shaft 19, transcoding gear shaft 18 and transcoding gear spacer 30 between the two stands; Be arranged with transcoding gear bush 21, the stopping ratchet 13 that is used to locate on the transcoding gear shaft 18 successively and be installed on the transcoding gear train on the transcoding gear spacer 30; Be arranged with successively on the digital tooth wheel shaft 19 transcoding that has transcoding ratchet 6 dial plate 9, transcoding ratchet 10 and with the digital tooth wheels of bottom transcoding gear train engaged transmission; The gear of transcoding ratchet 10 fits tightly with the first digital gear 15 of digital tooth wheels and the two profile of tooth and the gear teeth big or small identical, and the first transcoding gear 17 on the bottom transcoding gear shaft 18 simultaneously and its two engaged transmission; Said transcoding dial plate 9 on transcoding ratchet 6 and set transcoding ratchet 10 interoperations of a side; Stopping ratchet 13 on the transcoding gear shaft 18 is inserted in the teeth groove of transcoding ratchet 10 bottoms; Thereby constitute the complete ratchet mechanism of a cover, the common cooperation realized unidirectional step motion;
Said transcoding is dialled plate 9 and is had transcoding ratchet 6 and be meant, transcoding ratchet 6 is articulated in the end that transcoding is dialled plate 9 through ratchet screw 25 and ratchet torsion spring 38;
One side of said code wheel axle small rack 33 is provided with the termination plate 34 that is connected in simultaneously between transcoding gear shaft 18, the digital tooth wheel shaft 19, stops when set termination plate boss 31 makes digital wheel forward maximum number on the termination plate 34.The boss of digital wheel is resisted against termination plate boss 31, thereby guarantees that whole combination padlock has a maximum limit fixed number value, and this lockset can't use when the digital tooth wheels forward this maximum value to;
In order further to strengthen the safe antitheft performance of lock body; The fit engagement of said housing 1-1 and loam cake 1-2 all adopts inner pegging graft to fix; Only be provided with two screws that are used to connect stationary housing and loam cake 1-2 at loam cake 1-2 place; Outside these two, look the screw place and be provided with two axle sleeve 1-4 respectively, be provided with in the axle sleeve 1-4 and press the permanent-magnet steel 1-5 that is located at screw top, whole lock body is adsorbed on the casing of container through permanent-magnet steel 1-5;
For accuracy and the validity that strengthens this combination padlock; The lock bridge alignment pin 7 that matches with the slideway 2-3 that pays lock bridge 2-2 also is installed on the said loam cake 1-2; This lock bridge alignment pin 7 cooperates spacing with the slideway 2-3 that pays lock bridge 2-2; Thereby lock bridge can't be moved downward under the situation of not aiming at lock beam hole, do not reach the state of locking;
The position that slideway 2-3 on said pair of lock bridge 2-2 is provided with is for when the lock beam hole on the main lock bridge insertion housing 1-1, and this slideway 2-3 just in time is located at the part outer peripheral face contact matching of the lock bridge alignment pin 7 on the loam cake 1-2 with the one of which side.
A kind of lock bridge numeration of the present invention lock, reasonable in design, functional safety is reliable, has the function of numeration function and preventing decryption, anti-cheating, antitheft, and is easy to use.
Four, description of drawings
Fig. 1: be a kind of lock bridge numeration of embodiment of the invention lock lock body stereogram;
Fig. 2: lock body rear elevation of the present invention;
The left view of Fig. 3: Fig. 2;
Fig. 4: the front section view of a kind of lock bridge numeration of the present invention lock;
The A-A sectional view of Fig. 5: Fig. 4;
The B-B sectional view of Fig. 6: Fig. 4;
The vertical view of Fig. 7: Fig. 3;
Fig. 8: the loam cake 1-2 structural representation of a kind of lock bridge numeration of the present invention lock.
In the drawings, 1, lock body, 1-1, housing, 1-2, loam cake, 1-3, lower cover, 1-4, axle sleeve, 1-5, permanent-magnet steel; 2, lock bridge, 2-1, main lock bridge, are paid lock bridge at 2-2,2-3, slideway, 3, dead bolt pays frame plate, 4, pay bolt plate; 5, pay the lock bridge notch, 6, the transcoding ratchet, 7, the lock bridge alignment pin, 8, lock core, 9, transcoding dials plate, 10, the transcoding ratchet; 11, lock bridge briquetting notch, 12, the lock bridge briquetting, 13, the stopping ratchet, 14, lock bridge briquetting return spring, 15, the first digital gear, 16, digital window; 17, the first transcoding gear, 18, the transcoding gear shaft, 19, the digital tooth wheel shaft, 20, chute, 21, the transcoding gear bush, 22, the tapered end pressing plate; 23, lock core shifting block, 24, the lock core torsion spring, 25, ratchet screw, 26, the big support of code wheel axle, 27, code wheel bracing strut screw, 29, the lock bridge seat; 29-1, lock bridge seat be ear fixedly, and 30, transcoding gear spacer, 31, the termination plate boss, 32, stop digital gear, 33, code wheel axle small rack, 34, termination plate; 35, lock beam hole screw, 36, main lock bridge notch, 37, main bolt plate, 38, the ratchet torsion spring, 39, key, 40, tapered end.
Five, the specific embodiment
Following with reference to accompanying drawing, provide the specific embodiment of the present invention, be used for formation of the present invention is further specified.
A kind of lock bridge numeration lock comprises the lock body 1 that has digital window 16, and lock body 1 inside is provided with the lock body headstock gear and by the transcoding device of lock body headstock gear control connection; Said lock body headstock gear comprises the tapered end that has lock core 8 40, lock bridge 2, main bolt plate 37, pair bolt plate 4, the big support 26 of code wheel axle and the lock bridge briquetting of being located in the lock body 1 12; Be linked with lock core torsion spring 24 between lock core 8 and the tapered end 40; One end of lock core torsion spring 24 is fixed on the tapered end 40, and the other end is anchored on the lock core 8 through tapered end pressing plate 22; One end of main bolt plate 37 is mounted on the lock core shifting block 23 on the lock core 8, main lock bridge notch 36 snap fit that the main lock bridge 2-1 end of the other end and lock bridge 2 is offered; Pay bolt plate 4 and be installed on dead bolt and pay on the frame plate 3 and its end is connected with main bolt plate 37, the other end then is used for pair lock bridge notch 5 snap fit that lock bridge 2-2 end is offered of paying with lock bridge 2; Up and down reciprocatingly slide in the set chute 20 on the big support 26 of code wheel axle with the lock bridge briquetting 12 that is movably installed in housing 1-1 bottom through lock bridge briquetting return spring 14 in the end of paying lock bridge 2-2; Offer lock bridge briquetting notch 11 on the lock bridge briquetting 12; The end that transcoding is dialled plate 9 is inserted in the lock bridge briquetting notch 11, and the other end and transcoding device that transcoding is dialled plate 9 flexibly connect; When lock body is closed; Press down the lock bridge on top; A main lock bridge 2-1 and a pair lock bridge 2-2 move down simultaneously, pay the lock bridge briquetting 12 that promotes its underpart when lock bridge 2-2 moves down and move down along the chute 20 on the big support 26 of code wheel axle, when being depressed into certain degree of depth; Main lock bridge 2-1 with pay lock bridge 2-2 respectively by main bolt plate 37, pay a bolt plate 4 and connect and fix, this is a locking; When unblanking; Insert key twisting lock core 8 from the outside; The main bolt plate 37 that is on the lock core shifting block 23 of lock core 8 is pulled, and meanwhile, also moves with the bolt plate 4 of paying that main bolt plate 37 links together thereupon; At this moment main bolt plate 37 with pay bolt plate 4 respectively with main lock bridge 2-1 on main lock bridge notch 36 and the lock bridge notch of paying on the lock bridge 2-2 5 of paying break away from; Under the effect of its underpart lock bridge briquetting return spring 14, pair lock bridge 2-2 on lock bridge briquetting 12 and its top is the stressed free state that upwards resets to simultaneously at the lock bridge briquetting 12 of paying lock bridge 2-2 bottom, and this is for unblanking; Said transcoding device comprises big support 26 of the code wheel axle that is located at housing 1-1 two ends and code wheel axle small rack 33, has from top to bottom set up digital tooth wheel shaft 19, transcoding gear shaft 18 and transcoding gear spacer 30 between the two stands; Be arranged with transcoding gear bush 21, the stopping ratchet 13 that is used to locate on the transcoding gear shaft 18 successively and be installed on the transcoding gear train on the transcoding gear spacer 30; Be arranged with successively on the digital tooth wheel shaft 19 transcoding that has transcoding ratchet 6 dial plate 9, transcoding ratchet 10 and with the digital tooth wheels of bottom transcoding gear train engaged transmission; Transcoding ratchet 6 is articulated in the end that transcoding is dialled plate 9 through ratchet screw 25 and ratchet torsion spring 38; The gear of transcoding ratchet 10 fits tightly with the first digital gear 15 of digital tooth wheels and the two profile of tooth and the gear teeth big or small identical, and the first transcoding gear 17 on the bottom transcoding gear shaft 18 simultaneously and its two engaged transmission; Said transcoding dial plate 9 on transcoding ratchet 6 and set transcoding ratchet 10 interoperations of a side; Stopping ratchet 13 on the transcoding gear shaft 18 is inserted in the teeth groove of transcoding ratchet 10 bottoms; Thereby constitute the complete ratchet mechanism of a cover, the common cooperation realized unidirectional step motion; One side of said code wheel axle small rack 33 is provided with the termination plate 34 that is connected in simultaneously between transcoding gear shaft 18, the digital tooth wheel shaft 19; Set termination plate boss 31 on the termination plate 34; Thereby guarantee that by aforementioned whole combination padlock has a maximum limit fixed number value, this lockset can't use when the digital tooth wheels forward this maximum value to;
In order further to strengthen the safe antitheft performance of lock body; The fit engagement of said housing 1-1 and loam cake 1-2 all adopts inner pegging graft to fix; Only be provided with two screws that are used to connect stationary housing and loam cake 1-2 at loam cake 1-2 place; Outside these two, look the screw place and be provided with two axle sleeve 1-4 respectively, be provided with in the axle sleeve 1-4 and press the permanent-magnet steel 1-5 that is located at screw top, whole lock body is adsorbed on the casing of container through permanent-magnet steel 1-5;
For accuracy and the validity that strengthens this combination padlock; The lock bridge alignment pin 7 that matches with the slideway 2-3 that pays lock bridge 2-2 also is installed on the said loam cake 1-2; This lock bridge alignment pin 7 cooperates spacing with the slideway 2-3 that pays lock bridge 2-2; Thereby lock bridge can't be moved downward under the situation of not aiming at lock beam hole, do not reach the state of locking;
The position that slideway 2-3 on said pair of lock bridge 2-2 is provided with is for when the lock beam hole on the main lock bridge insertion housing 1-1, and this slideway 2-3 just in time is located at the part outer peripheral face contact matching of the lock bridge alignment pin 7 on the loam cake 1-2 with the one of which side.
This locks operating principle: the normal use by lock bridge 2 of this lock worker pressed in the corresponding lock beam hole of insertion housing 1-1; Promote lock bridge briquetting 12 simultaneously and dial plate 9 drive transcoding ratchets 6 with transcoding; Transcoding ratchet 6 is stirred transcoding ratchet 10 and is rotated a number; Accomplish and change one when digital when lock bridge 2 inserts certain degree of depth; The main lock bridge notch 36 of lock bridge 2 is pinned under the effect of lock core torsion spring 24 by a main bolt plate 37 and a pair bolt plate 4 respectively with pair lock bridge notch 5, when pressing down lock bridge 2, must aim at corresponding hole and just can be pressed into lock bridge;
Open and locking: when normally opening, key 39 inserts rotational lock core shifting block 23 in the lock core 8, drives main bolt plate 37 and unblanks with a pair bolt plate 4, and at this moment, lock bridge briquetting 12 ejects lock bridge 2 under the effect of lock bridge briquetting return spring 14; During locking; The corresponding hole of lock bridge 2 alignings presses down lock bridge 2 insertion housing 1-1 drive lock bridge briquettings 12 and dials plate 9 with transcoding, and transcoding is dialled in plate 9 part insertion lock bridge briquetting notches 11 and is engaged with, when lock bridge briquetting 12 moves; Transcoding is dialled plate 9 and is also rotated transcoding ratchet 6 thereupon; Transcoding ratchet 6 is stirred number of transcoding ratchet 10 rotations, and when lock bridge 2 inserted certain ordering deeply, the main lock bridge notch 36 of lock bridge 2 was pinned under the effect of lock core torsion spring 24 by a main bolt plate 37 and a pair bolt plate 4 respectively with pair lock bridge notch 5; Can not pin less than degree of depth lock, transcoding can not transposition; When the every insertion of lock bridge once; Digital wheel 7 change one-bit digitals are one group of unique numbers, when number forwards maximum to, just can not change again; Because termination plate 34 is provided with termination plate boss 31 and blocks terminal digital wheel rotation, so this lockset is with not reusing to the end again.
Claims (9)
1. lock bridge numeration lock comprises the lock body (1) that has digital window (16), it is characterized in that lock body (1) inside is provided with the lock body headstock gear and by the transcoding device of lock body headstock gear control connection;
Said lock body headstock gear comprises the tapered end that has lock core (8) (40), lock bridge (2), main bolt plate (37), pair bolt plate (4), the big support of code wheel axle (26) and the lock bridge briquetting of being located in the lock body (1) (12); Be linked with lock core torsion spring (24) between lock core (8) and the tapered end (40); One end of lock core torsion spring (24) is fixed on the tapered end (40), and the other end is anchored on the lock core (8) through tapered end pressing plate (22); One end of main bolt plate (37) is mounted on the lock core shifting block (23) on the lock core (8), main lock bridge notch (36) snap fit that main lock bridge (2-1) end of the other end and lock bridge (2) is offered; Pay bolt plate (4) and be installed on dead bolt and pay that frame plate (3) is gone up and the one of which end is connected with main bolt plate (37), the other end then is used for pair lock bridge notch (5) snap fit that lock bridge (2-2) end is offered of paying with lock bridge (2); Paying the end of lock bridge (2-2) up and down reciprocatingly slides in the big support of code wheel axle (26) is gone up set chute (20) with the lock bridge briquetting (12) that is movably installed in housing (1-1) bottom through lock bridge briquetting return spring (14); Offer lock bridge briquetting notch (11) on the lock bridge briquetting (12); The end that transcoding is dialled plate (9) is inserted in the lock bridge briquetting notch (11), and the other end and transcoding device that transcoding is dialled plate (9) flexibly connect.
2. according to the said a kind of lock bridge numeration lock of claim 1; It is characterized in that said transcoding device comprises big support of code wheel axle (26) and the code wheel axle small rack (33) that is located at housing (1-1) two ends, has from top to bottom set up digital tooth wheel shaft (19), transcoding gear shaft (18) and transcoding gear spacer (30) between the two stands; Be arranged with transcoding gear bush (21), the stopping ratchet (13) that is used to locate on the transcoding gear shaft (18) successively and be installed on the transcoding gear train on the transcoding gear spacer (30); Be arranged with successively on the digital tooth wheel shaft (19) transcoding that has transcoding ratchet (6) dial plate (9), transcoding ratchet (10) and with the digital tooth wheels of bottom transcoding gear train engaged transmission; The gear of transcoding ratchet (10) fits tightly with the first digital gear (15) of digital tooth wheels and the two profile of tooth and the gear teeth big or small identical, and the first transcoding gear (17) on the bottom transcoding gear shaft (18) simultaneously and its two engaged transmission; Said transcoding dial plate (9) on transcoding ratchet (6) and set transcoding ratchet (10) interoperation of a side; Stopping ratchet (13) on the transcoding gear shaft (18) is inserted in the teeth groove of transcoding ratchet (10) bottom; Thereby constitute the complete ratchet mechanism of a cover, the common cooperation realized unidirectional step motion.
3. according to the said a kind of lock bridge numeration lock of claim 2, it is characterized in that said transcoding ratchet (6) is articulated in the end that transcoding is dialled plate (9) through ratchet screw (25) and ratchet torsion spring (38).
4. according to the said a kind of lock bridge numeration lock of claim 2; A side that it is characterized in that said code wheel axle small rack (33) is provided with the termination plate (34) that is connected in simultaneously between transcoding gear shaft (18), the digital tooth wheel shaft (19), and termination plate (34) is gone up set termination plate boss (31) and is resisted against all the time in the teeth groove that stops digital gear (32).
5. according to the said a kind of lock bridge numeration lock of claim 1; It is characterized in that lock body (1) is made up of housing (1-1), loam cake (1-2) and lower cover (1-3); Be provided with the lock bridge seat (29) that offers lock beam hole that is used for cooperating in the housing (1-1) with main lock bridge (2-1); Loam cake (1-2) is gone up with the corresponding position of lock bridge seat (29) and is provided with fixedly ear (29-1) of a lock bridge seat of being with screw; During the assembling of loam cake (1-2) and housing (1-1), lock bridge seat fixedly ear (29-1) is positioned at the below of lock bridge seat (29), and by lock beam hole screw (35) pass lock bridge seat (29) top lock beam hole and with the lock bridge seat of bottom fixedly ear (29-1) be connected.
6. according to the said a kind of lock bridge numeration lock of claim 5; The fit engagement that it is characterized in that said housing (1-1) and loam cake (1-2) all adopts inner pegging graft to fix; Only locate to be provided with two screws that are used to connect stationary housing and loam cake (1-2) at loam cake (1-2); Outside these two, look the screw place and be provided with two axle sleeves (1-4) respectively, be provided with in the axle sleeve (1-4) and press the permanent-magnet steel (1-5) of being located at screw top, (1-5) is adsorbed in whole lock body on the casing of container through permanent-magnet steel.
7. according to the said a kind of lock bridge numeration lock of claim 2; It is characterized in that big support of said code wheel axle (26) and code wheel axle small rack (33) all are fixed in the two ends, inside of housing (1-1) through code wheel bracing strut screw (27); On it respectively correspondence offer the axle installing hole that is used to hold digital tooth wheel shaft (19) and transcoding gear shaft (18); Digital tooth wheel shaft (19) and transcoding gear shaft (18) are connected between two supports through the axle installing hole; The big support of code wheel axle (26) and code wheel axle small rack (33) bottom also offers the through hole that is used to install transcoding gear spacer (30), and positioning action is played to the transcoding gear train on top in the bottom of transcoding gear spacer (30) being fixed in two stands through screw.
8. according to the said a kind of lock bridge numeration lock of claim 5; It is characterized in that also being equipped with on the said loam cake (1-2) the lock bridge alignment pin (7) that matches with the slideway (2-3) of paying lock bridge (2-2), this lock bridge alignment pin (7) cooperates spacing with the slideway (2-3) of paying lock bridge (2-2).
9. according to the said a kind of lock bridge numeration lock of claim 8; It is characterized in that the position that the slideway (2-3) on the said pair of lock bridge (2-2) is provided with is that this slideway (2-3) just in time is located at the part outer peripheral face contact matching of the lock bridge alignment pin (7) on the loam cake (1-2) with the one of which side when main lock bridge inserts the lock beam hole on the housing (1-1).
Priority Applications (1)
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CN2010106215013A CN102155119B (en) | 2010-12-27 | 2010-12-27 | Counting lock for lock beam |
Applications Claiming Priority (1)
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CN2010106215013A CN102155119B (en) | 2010-12-27 | 2010-12-27 | Counting lock for lock beam |
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CN102155119A CN102155119A (en) | 2011-08-17 |
CN102155119B true CN102155119B (en) | 2012-11-21 |
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CN2010106215013A Active CN102155119B (en) | 2010-12-27 | 2010-12-27 | Counting lock for lock beam |
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Families Citing this family (2)
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CN104251081A (en) * | 2013-03-16 | 2014-12-31 | 赵彦杰 | Novel technical-unlocking prevention lock |
CN112502547A (en) * | 2020-11-24 | 2021-03-16 | 薛镜波 | U-shaped lock |
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WO2008039152A1 (en) * | 2006-09-27 | 2008-04-03 | Choon Aik Teo | A lock comprising a mechanical counter |
US7782200B1 (en) * | 2006-11-03 | 2010-08-24 | Fleischmann Arthur R | Reusable electronic trailer seal |
CN201103282Y (en) * | 2007-09-28 | 2008-08-20 | 朱起岛 | Mechanical counter lock |
CN101619632A (en) * | 2008-07-02 | 2010-01-06 | 彰彬工业股份有限公司 | Lockset capable of recording unlocking times |
CN201358628Y (en) * | 2009-01-24 | 2009-12-09 | 烟台三环科技有限公司 | Lock bridge counting lock |
CN201358627Y (en) * | 2009-01-24 | 2009-12-09 | 烟台三环科技有限公司 | Counting lockset |
CN202000783U (en) * | 2010-12-27 | 2011-10-05 | 烟台三环科技有限公司 | Lock beam numeration lock |
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