CN1821530A - Lock core device for anti-pry and anti-universal key - Google Patents
Lock core device for anti-pry and anti-universal key Download PDFInfo
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- CN1821530A CN1821530A CN 200510042476 CN200510042476A CN1821530A CN 1821530 A CN1821530 A CN 1821530A CN 200510042476 CN200510042476 CN 200510042476 CN 200510042476 A CN200510042476 A CN 200510042476A CN 1821530 A CN1821530 A CN 1821530A
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Abstract
The lock core device capable of preventing pick and resisting universal key includes an inner lock core, an outer lock core and a lock core fixing seat connected successively. The outer lock core is provided with lock bolt to shift the lock tongue in the bottom. The inner lock core is provided with balls or blades and movable pins, the balls or blades are provided with code aligning part in the specific position, the movable pins are provided with corresponding joint part, and the code aligning part and the joint part are cooperated to locate the movable pins axially and locate the normal contact surface between the driving pins and the locking pins radially. Before the correct key is inserted, the inner lock core may be rotated freely, and this can avoid the test with universal key and the pick with some tool, such as a screw driver.
Description
Technical field
The present invention relates to the lock core technical field, specifically, is a kind of lock core device of anti-pry and anti-universal key.
Background technology
Existing lock core device mainly comprise hollow form the lock core sleeve, be installed on the lock core rotor in the lock core sleeve and be installed on lock core marble or blade in the storage tank of lock core sleeve, lock core rotor respectively, by the key that matches lock core courage or blade are pushed away the block resistance position, key drive lock core rotor is stirred dead bolt and is unblanked.The shortcoming of above-mentioned lock core device is that dead bolt is directly driven by lock core rotor, as long as the rotational lock core rotor just can unblank, and lock core rotor is easy to utilize master key to stir pellet shot from a slingshot or blade to make all pellets shot from a slingshot or blade be pushed away the block resistance position in moment to unblank; Or utilize special tools such as screwdriver rotational lock core rotor by force, and make lock core rotor separate to twist off pellet shot from a slingshot or blade with the lock core holder, unblank.
Summary of the invention
The lock core device that technical problem to be solved of the present invention provides a kind of anti-pry and anti-universal key improves lock core structure, makes all pellets shot from a slingshot or blade all not have to test to lean on a little, prevents to utilize non-matching key to test and unblanks; Simultaneously internal cylinder and the locking bolt branch of stirring dead bolt are arranged, prevent that destroying internal cylinder with special tools such as screwdrivers unblanks by force.
The present invention is by the following technical solutions:
The lock core device of anti-pry and anti-universal key, comprise tubulose the lock core holder, be set in internal cylinder in the lock core holder and pellet shot from a slingshot or blade, return spring, internal cylinder is provided with axial arranged key hole, it is characterized in that: go back suit one cylindric outer lock core between described lock core holder and the internal cylinder, the lower surface of this outer lock core is installed with shift fork; Described internal cylinder is provided with the pellet shot from a slingshot hole or the blade groove of a plurality of vertical perforation key holes, the internal cylinder middle part of the below of this pellet shot from a slingshot hole or blade groove is provided with the drive pin-and-hole, drive the end sealing of pin-and-hole, the other end runs through internal cylinder, described lock core holder sidewall is provided with the lockpin hole that radially extend corresponding with driving pin-and-hole, the corresponding lockhole that is provided with perforation on the outer lock core sidewall between described drive pin-and-hole and the lockpin hole, described pellet shot from a slingshot or blade are held pellet shot from a slingshot hole or the blade groove that places described internal cylinder by return spring, drive in the pin-and-hole and be provided with return spring, drive pin, be provided with return spring in the lockpin hole, lock pin drives pin and lock pin and has a pair of internal cylinder and the outer lock core or outer lock core and lock core holder of being active in and suit normal contact surface between the face; The internal cylinder middle and lower part is provided with the movable cotter way that extends vertically and vertically connect pellet shot from a slingshot hole or blade groove and drive pin-and-hole, is provided with removable pin in the movable cotter way; The lower end of removable pin is a wedge-like portion, drives pin and is provided with the groove that matches with the removable pin lower end; The ad-hoc location of described pellet shot from a slingshot or blade is provided with code matching part, and correspondence is provided with the junction surface of matching with code matching part on the described removable pin, and code matching part matches axial location to chip with the junction surface; The radial location that matches with the groove that drives pin of the wedge-like portion of removable pin lower end drives normal contact surface between pin and the lock pin.
The pellet shot from a slingshot hole is set in the described internal cylinder, in each pellet shot from a slingshot hole pellet shot from a slingshot, return spring is set respectively, the side face ad-hoc location of each pellet shot from a slingshot is provided with annular groove; Described removable pin in the form of sheets, but correspondingly on the removable pin have an openings that ammunition feed passes through, this openings has wedge-like week edge; Described annular groove, openings form code matching part, the junction surface of matching respectively.
The cross section of described annular groove is square.
In the described internal cylinder blade groove is set, two blade, return springs that are the L type substantially are set respectively in each blade groove, two blades are opposite between the both sides of blade groove and its postmedian opposite face mutually has spacing, be respectively arranged with wedge shaped recess on the basifacial relatively ad-hoc location of the notch part of two blades, return spring is held between blade rear end face and the blade groove bottom surface; Described removable pin activity is arranged in the spacing between two blades, and the two sides of removable pin are respectively arranged with boss, and the upper end of this boss has the wedge-like portion that is complementary with wedge shaped recess, and the height of this wedge-like portion is greater than the degree of depth of described wedge shaped recess; Described wedge shaped recess, boss form code matching part, the junction surface of matching respectively.
The blade groove of ring-type is set on the side face of described internal cylinder, two curved blades, return spring are set respectively in each blade groove, two blades are opposite to the both sides of blade groove mutually, be respectively arranged with wedge shaped recess on the basifacial relatively ad-hoc location of two blades, return spring is held between the rear end face of two blades; Be installed with spacing protuberance on the internal cylinder of described bottom portion of groove, the inboard correspondence of the front end face of described blade is provided with the recess that is used to admit spacing protuberance; The two sides of described removable pin activity are respectively arranged with boss, and the upper end of this boss has the wedge-like portion that is complementary with wedge shaped recess, and the height of this wedge-like portion is greater than the degree of depth of described wedge shaped recess; Described wedge shaped recess, boss form code matching part, the junction surface of matching respectively.
The present invention has the following advantages:
Also be arranged with the outer lock core of tubular between internal cylinder of this lock core and the lock core holder, the bottom surface of this outer lock core is provided with the locking bolt that is used to stir dead bolt; Be provided with the pellet shot from a slingshot or blade and the removable pin that match with the key bit flower in the internal cylinder, the ad-hoc location of pellet shot from a slingshot or blade is provided with code matching part, the axial location removable pin matches with the junction surface for the corresponding junction surface of matching with code matching part that is provided with on the removable pin, code matching part; The radial location that matches with the groove that drives pin of the wedge-like portion of removable pin lower end drives normal contact surface between pin and the lock pin.During normality, the normal contact surface between drive pin and the lock pin and the face that suits of internal cylinder and outer lock core match, and internal cylinder is free to rotate; Because pellet shot from a slingshot or blade place internal cylinder, before code matching part and junction surface do not have complete contraposition, all pellets shot from a slingshot or blade all do not have testing and lean on a little, can't utilize the mismatch key of cover of master key or other to test, so that the accurate contraposition of all pellets shot from a slingshot or blade; Simultaneously can prevent that destroying internal cylinder by force with special tools such as screwdrivers unblanks.
Description of drawings
Below in conjunction with accompanying drawing the present invention is described in further detail.
Fig. 1 is the stereoscopic schematic diagram of first embodiment of the invention.
Fig. 2 is the sectional view along A-A direction among Fig. 1.
Fig. 3 is that Fig. 2 inserts the key unlocking view.
Fig. 4 is the structural representation of the removable pin among Fig. 2.
Fig. 5 is the structural representation of the pellet shot from a slingshot among Fig. 2.
Fig. 6 is the structural representation of the drive pin among Fig. 2.
Fig. 7 is the structural representation of the lock pin among Fig. 2.
Fig. 8 is the sectional view of second embodiment of the invention.
Fig. 9 is the sectional view along B-B direction among Fig. 8.
Figure 10 is the sectional view along C-C direction in 9.
Figure 11 is the structural representation of the blade among Fig. 8.
Figure 12 is the structural representation of the removable pin among Fig. 8.
Figure 13 is that Fig. 8 inserts the key unlocking view.
Figure 14 is the sectional view along D-D direction among Figure 13.
Figure 15 is the sectional view along E-E direction among Figure 14.
Figure 16 is the schematic perspective view with the matching used key of second embodiment of the invention.
Figure 17 is the stereoscopic schematic diagram of third embodiment of the invention.
Figure 18 is the sectional view along F-F direction among Figure 17.
Figure 19 is the sectional view along G-G direction among Figure 18.
Figure 20 is the structural representation of the blade among Figure 18.
Figure 21 is the structural representation of the removable pin among Figure 18.
Figure 22 is that Figure 18 inserts the key unlocking view.
Figure 23 is the sectional view along H-H direction among Figure 22.
Figure 24 is the schematic perspective view with the matching used key of third embodiment of the invention.
Figure 25 is the another kind of frame mode schematic diagram of drive pin of the present invention.
The specific embodiment
Embodiment 1: with reference to accompanying drawing 1,2,3,4,5,6,7.As seen, internal cylinder 1 is sleeved in the outer lock core 2 rotationally among the figure, and outer lock core 2 is sleeved in the lock core holder 3 of tubulose; The upper end edge of internal cylinder 1 is provided with outward flange, and after the assembling, outward flange is covered outer lock core 2; The bottom surface of outer lock core is provided with locking bolt 2a, can stir dead bolt by rotating lock bolt 2a and unblank.Internal cylinder 1 is linked in by elastic collar 9 with the lower end of outer lock core 2; Outer circumference surface along outer lock core 2 is provided with one section horizontal groove 2b, and the sidewall correspondence of lock core holder 3 is installed with spacer pin 3a, and the inner end of this spacer pin 3a stretches among the horizontal groove 2b, with the rotational angle of restriction outer lock core 2.
In internal cylinder 1, be provided with the movable cotter way 1c that extends vertically and vertically connect pellet shot from a slingshot hole 1b and drive pin-and-hole 1d, upper end closed, the lower ending opening of this activity cotter way 1c; Dispose the removable pin 8 of lower slider vertically among the movable cotter way 1c, this removable pin 8 is flat sheet-like, offer the perforation 8a that respectively for corresponding pellet shot from a slingshot 4 pass identical with the pellet shot from a slingshot number on the removable pin 8, this openings 8a has the wedge-like week edge of matching with annular groove 4a; Annular groove 4a by the pellet shot from a slingshot side face and openings 8a fitted shaft are to geocoded activity pin 8; Cooperate radial location to drive pin 6 by removable pin 8 with drive lock ring groove 6a, the lower end of removable pin 8 is wedge-like portion, and the wedge-like portion angled end-face of close return spring 5b one side often contacts along maintenance with the corresponding groove that drives lock ring groove 6a.
The operating principle of present embodiment is: during normality, the annular groove 4a of all pellets shot from a slingshot 4 all breaks away from the openings 8a of removable pin 8, at this moment, drive pin 6 is subjected to the restriction of removable pin 8 lower end wedge-like portions and is positioned at drive pin-and-hole 1d, the front end of lock pin 7 stretches among the lockhole 2b under the effect of return spring 5c, drives pin 6 and matches with the normal contact surface of lock pin 7 and the face that suits of internal cylinder 1 and outer lock core 2, and internal cylinder 1 is separated with outer lock core 2, internal cylinder 1 is free to rotate, and outer lock core 2 can't be rotated by lock pin 7 restrictions.When unblanking, the matched key 9 that will have specific tooth flower inserts among the key hole 1a, the corresponding pellet shot from a slingshot 4 of tooth flower ejection of key 9, make the annular groove 4a of each pellet shot from a slingshot all be positioned on the same axis, and be positioned at removable pin and connect the 8a place, at this moment, removable pin 8, drive pin 6 and be in relative free state, return spring 5b ejection drives pin 6 and slides to lock pin 7 directions, with removable pin 8 jack-up vertically, the wedge-like week of openings 8a bottom embeds among the annular groove 4a along top, simultaneously under the ejection that drives pin 6 in the lock pin 7 retraction lockpin holes, driving pin 6 matches with the normal contact surface of lock pin 7 and the face that suits of outer lock core 2 and lock core holder 3, key 9 twisting internal cylinder 1 drive outer lock core 2 by driving pin 6, locking bolt 2a can unblank by rotating lock tongue.After extracting key 9, return spring 5a ejection pellet shot from a slingshot 4 resets, make annular groove 4a break away from openings 8a, pellet shot from a slingshot 4 promotes removable pin 8 downwards, driving pin 6 driven among the pin-and-hole 1d by the removable pin 8 ejections retraction of radially sliding, lock pin 7 its front end under the return spring effect stretches among the lockhole 2b simultaneously, the lower end wedge-like portion of removable pin 8 embeds and drives radial location drive pin 6 among the lock ring groove 6a, the leading section of lock pin 7 is placed through locking outer lock core 2 among the lockhole 2b of outer lock core 2, the normal contact surface that drives pin 6 and lock pin 7 resets and coincide with the face that suits of internal cylinder 1 with outer lock core 2 again, internal cylinder 1 rotary state that affranchises.
Embodiment 2: with reference to accompanying drawing 8,9,10,11,1213,14,15,16.Present embodiment is as different from Example 1: rectangular blade groove 1e is set in the internal cylinder 1, two blades 41 that are the L type substantially are set respectively among each blade groove 1e, two blades 41 are opposite to the both sides of blade groove 1e mutually, the front end protuberance of blade in opposite directions, has spacing 41b between the notch part opposite face of its rear end, be respectively arranged with wedge shaped recess 41a on the basifacial relatively ad-hoc location of the notch part of two blades 41, diverse location according to each blade wedge shaped recess 41a forms different password combination, be respectively arranged with return spring 5a between two blades, 41 rear end faces and the blade groove 1e bottom surface, every blade all can be radially movable.Movable cotter way 1c connects the spacing 41b between two blades, and the spacing that removable pin 81 activities are passed between two blades is movably placed among the movable cotter way 1c.As shown in figure 12, the middle part of removable pin 81 is a square body, the square body two sides are corresponding to be provided with and the boss 81a that has wedge shaped recess 41a to match, and the upper end of this boss has the 81b of wedge-like portion that is complementary with wedge shaped recess, and the height of the 81b of wedge-like portion is slightly larger than the degree of depth of described wedge shaped recess 41a; The endwisely slip distance of the distance of blade 41 upper surfaces greater than removable pin 81 faced mutually with the below in boss 81a lower surface.As shown in figure 16, the key 91 that matches and use with present embodiment, the key bar front end face of its tabular are carved with the tooth flower that two row are parallel to each other, and the queueing discipline of two row teeth flower is complementary with the password combination of corresponding blade 41 respectively.Utilize existing key-cut machine, be difficult to the key of this structure is duplicated, when to the teeth of a side, when teeth groove duplicates, must destroy the corresponding teeth or the teeth groove of opposite side the raised area, so that can't make the duplicate the same, improve the safety of lock core to a great extent with original key.All the other structures are identical with embodiment 1.
The operating principle of present embodiment is: during normality, the front end of all blades 41 stretches into the front upper place that key hole 1a, wedge shaped recess 41a are positioned at corresponding boss 81a, drive restriction that pin 6 is subjected to removable pin 81 and be arranged in and drive pin-and-hole 1d, the leading section of lock pin 7 is placed through locking outer lock core 2 among the lockhole 2b of outer lock core 2; Drive pin 6 and match with the normal contact surface of lock pin 7 and the face that suits of internal cylinder 1 and outer lock core 2, internal cylinder 1 is separated with outer lock core 2, and internal cylinder 1 is free to rotate, and outer lock core 2 can't be rotated by lock pin 7 restrictions.When unblanking, supporting 91 keys that will have specific tooth flower insert among the key hole 1a, the two row teeth flower of key 91 is the corresponding blade 41 of ejection respectively, make the wedge shaped recess 41a of each blade all be positioned on the same axis, and be positioned at the corresponding top that drives pin boss 81a, at this moment, removable pin 81, drive pin 6 and be in relative free state, return spring 5b ejection drives pin 6 and slides to lock pin 7 directions, with removable pin 81 jack-up vertically, make the top of each 81b of wedge-like portion embed respectively among the corresponding wedge shaped recess 41a, simultaneously under the ejection that drives pin 6 among the lock pin 7 retraction lockpin hole 3b, driving pin 6 matches with the normal contact surface of lock pin 7 and the face that suits of outer lock core 2 and lock core holder 3, key 91 twisting internal cylinder 1 drive outer lock core 2 by driving pin 6, locking bolt 2a can unblank by rotating lock tongue.After extracting key 91, return spring 5a ejection blade 41 resets, make wedge shaped recess 41a break away from boss 81a, blade promotes removable pin 81 downwards, driving pin 6 driven among the pin-and-hole 1d by the removable pin 81 ejections retraction of radially sliding, lock pin 7 its front end under return spring 5c effect stretches among the lockhole 2b simultaneously, the lower end wedge-like portion of removable pin 8 embeds and drives radial location drive pin 6 among the lock ring groove 6a, the leading section of lock pin 7 is placed through locking outer lock core 2 in the lockhole 22 of outer lock core 2, the normal contact surface that drives pin 6 and lock pin 7 resets and coincide with the face that suits of internal cylinder 1 with outer lock core 2 again, internal cylinder 1 rotary state that affranchises.
Embodiment 3: with reference to accompanying drawing 17,18,19,20,21,22,23,24.Present embodiment is as different from Example 2: the side face of internal cylinder 1 is provided with the blade groove 1f of a plurality of ring-types, two curved blades 42 are set respectively among each blade groove 1f, the length sum of two blades 42 is less than the girth of blade groove 1f, two blades 42 can be along the blade groove slide in opposition, two blades 42 are opposite to the both sides of blade groove 1f mutually, be respectively arranged with wedge shaped recess 42a on the basifacial relatively ad-hoc location of two blades 42, return spring 5a is held between the rear end face of two blades 42.Be installed with spacing protuberance 1g on the internal cylinder 1 of blade groove 1f bottom, the inboard correspondence of the front end face of blade 42 is provided with the recess 42b that is used to admit spacing protuberance, and spacing protuberance 1g is positioned at the rear of key hole 1a '.As shown in figure 21, the removable pin 82 of present embodiment and the structure broadly similar of the removable pin 81 of embodiment 2, the middle part of removable pin 82 is a rectangle cylinder, and the cylinder both sides are provided with boss 82a equally, and boss 82a upper end is provided with the 82b of wedge-like portion equally.As shown in figure 24, the key 92 that matches and use with present embodiment, the curved sheet of key bar, two longitudinal terminal surface inboards between two arcwall faces of key bar are carved with respectively and are carved with the tooth flower respectively, and two row teeth flower is complementary with the password combination of corresponding blade 42 respectively.The matched key of present embodiment plays equally increases the anti-degree of safety of joining difficulty, improving supporting lock core.As shown in figure 17, the cross section of the key hole 1a ' of present embodiment is curved.All the other structures are identical with embodiment 2.
The operating principle of present embodiment is similar to embodiment 2, does not repeat them here.
Another kind of frame mode as drive pin of the present invention: with reference to accompanying drawing 25, this drive pin 61 is rectangle substantially, has the square groove 61a that matches with above-mentioned removable pin lower end wedge-like portion in the upper middle position that drives pin.
Claims (5)
1, the lock core device of anti-pry and anti-universal key, comprise tubulose the lock core holder, be set in internal cylinder in the lock core holder and pellet shot from a slingshot or blade, return spring, internal cylinder is provided with axial arranged key hole, it is characterized in that: go back suit one cylindric outer lock core between described lock core holder and the internal cylinder, the lower surface of this outer lock core is installed with shift fork; Described internal cylinder is provided with the pellet shot from a slingshot hole or the blade groove of a plurality of vertical perforation key holes, the internal cylinder middle part of the below of this pellet shot from a slingshot hole or blade groove is provided with the drive pin-and-hole, drive the end sealing of pin-and-hole, the other end runs through internal cylinder, described lock core holder sidewall is provided with the lockpin hole that radially extend corresponding with driving pin-and-hole, the corresponding lockhole that is provided with perforation on the outer lock core sidewall between described drive pin-and-hole and the lockpin hole, described pellet shot from a slingshot or blade are held pellet shot from a slingshot hole or the blade groove that places described internal cylinder by return spring, drive in the pin-and-hole and be provided with return spring, drive pin, be provided with return spring in the lockpin hole, lock pin drives pin and lock pin and has a pair of internal cylinder and the outer lock core or outer lock core and lock core holder of being active in and suit normal contact surface between the face; The internal cylinder middle and lower part is provided with the movable cotter way that extends vertically and vertically connect pellet shot from a slingshot hole or blade groove and drive pin-and-hole, is provided with removable pin in the movable cotter way; The lower end of removable pin is a wedge-like portion, drives pin and is provided with the groove that matches with the removable pin lower end; The ad-hoc location of described pellet shot from a slingshot or blade is provided with code matching part, the corresponding junction surface of matching with code matching part that is provided with on the described removable pin, the code matching part axial location removable pin that matches with the junction surface; The radial location that matches with the groove that drives pin of the wedge-like portion of removable pin lower end drives normal contact surface between pin and the lock pin.
2, the lock core device of anti-pry and anti-universal key according to claim 1 is characterized in that: the pellet shot from a slingshot hole is set in the described internal cylinder, in each pellet shot from a slingshot hole pellet shot from a slingshot, return spring is set respectively, the side face ad-hoc location of each pellet shot from a slingshot is provided with annular groove; Described removable pin in the form of sheets, but correspondingly on the removable pin have an openings that ammunition feed passes through, this openings has wedge-like week edge; Described annular groove, openings form code matching part, the junction surface of matching respectively.
3, the lock core device of anti-pry and anti-universal key according to claim 2 is characterized in that: the cross section of described annular groove is square.
4, the lock core device of anti-pry and anti-universal key according to claim 1, it is characterized in that: in the described internal cylinder blade groove is set, two blade, return springs that are the L type substantially are set respectively in each blade groove, two blades are opposite between the both sides of blade groove and its postmedian opposite face mutually has spacing, be respectively arranged with wedge shaped recess on the basifacial relatively ad-hoc location of the notch part of two blades, return spring is held between blade rear end face and the blade groove bottom surface; Described removable pin activity is arranged in the spacing between two blades, and the two sides of removable pin are respectively arranged with boss, and the upper end of this boss has the wedge-like portion that is complementary with wedge shaped recess, and the height of this wedge-like portion is greater than the degree of depth of described wedge shaped recess; Described wedge shaped recess, boss form code matching part, the junction surface of matching respectively.
5, the lock core device of anti-pry and anti-universal key according to claim 1, it is characterized in that: the blade groove that ring-type is set on the side face of described internal cylinder, two curved blades, return spring are set respectively in each blade groove, two blades are opposite to the both sides of blade groove mutually, be respectively arranged with wedge shaped recess on the basifacial relatively ad-hoc location of two blades, return spring is held between the rear end face of two blades; Be installed with spacing protuberance on the internal cylinder of described bottom portion of groove, the inboard correspondence of the front end face of described blade is provided with the recess that is used to admit spacing protuberance; The two sides of described removable pin activity are respectively arranged with boss, and the upper end of this boss has the wedge-like portion that is complementary with wedge shaped recess, and the height of this wedge-like portion is greater than the degree of depth of described wedge shaped recess; Described wedge shaped recess, boss form code matching part, the junction surface of matching respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100424762A CN100441823C (en) | 2005-02-16 | 2005-02-16 | Lock core device for anti-pry and anti-universal key |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100424762A CN100441823C (en) | 2005-02-16 | 2005-02-16 | Lock core device for anti-pry and anti-universal key |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1821530A true CN1821530A (en) | 2006-08-23 |
| CN100441823C CN100441823C (en) | 2008-12-10 |
Family
ID=36923082
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2005100424762A Expired - Fee Related CN100441823C (en) | 2005-02-16 | 2005-02-16 | Lock core device for anti-pry and anti-universal key |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100441823C (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102966269A (en) * | 2012-10-16 | 2013-03-13 | 黄伟敏 | Straight groove type blade idling lock |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5121618A (en) * | 1991-07-25 | 1992-06-16 | Rita Scott | Attachment for transforming lock cylinders into interchangeable cores |
| CN2201450Y (en) * | 1994-06-24 | 1995-06-21 | 石岩 | Cylinder lock for preventing universal-purpose key |
| CN2198347Y (en) * | 1994-07-29 | 1995-05-24 | 华金亮 | Safety spring lock |
| TW514695B (en) * | 2000-04-18 | 2002-12-21 | Kai-An Wu | Burglar resistant lock core of cylinder lock |
| US7028517B2 (en) * | 2003-07-09 | 2006-04-18 | Kaba High Security Locks Corporation | Cylinder lock with programmable keyway |
| CN2804303Y (en) * | 2005-02-16 | 2006-08-09 | 吴建金 | Lock barrel for preventing pricking and universal key |
-
2005
- 2005-02-16 CN CNB2005100424762A patent/CN100441823C/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102966269A (en) * | 2012-10-16 | 2013-03-13 | 黄伟敏 | Straight groove type blade idling lock |
| CN102966269B (en) * | 2012-10-16 | 2016-01-20 | 黄伟敏 | A kind of straight channel type blade idling lock head |
Also Published As
| Publication number | Publication date |
|---|---|
| CN100441823C (en) | 2008-12-10 |
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Granted publication date: 20081210 Termination date: 20180216 |