CN101694141B - Antitheft lock with universal rotary latch - Google Patents
Antitheft lock with universal rotary latch Download PDFInfo
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- CN101694141B CN101694141B CN200910153654.7A CN200910153654A CN101694141B CN 101694141 B CN101694141 B CN 101694141B CN 200910153654 A CN200910153654 A CN 200910153654A CN 101694141 B CN101694141 B CN 101694141B
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- lock
- latch
- rotary latch
- push rod
- slide plate
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Abstract
The invention provides an antitheft lock with a universal rotary latch and belongs to the technical field of locks. The antitheft lock with a universal rotary latch comprises a lock body and a lock core which is arranged on the lock body in a fit way. The antitheft lock with a universal rotary latch is characterized in that the lock body is provided with a telescoping mechanism in a fit way and comprises a slide plate and a rotary latch, wherein the slide plate is arranged on the lock body in a horizontal slide fit way, and the rotary latch is inserted in the slide plate; the slide plate forms a butt-contact fit with a tension arm rod with a fulcrum; the lower part of the rotary latch is connected with a rotating shaft in a slide fit way and is vertically provided with a rotary latch push rod to fit the rotating shaft; and the lock core forms a clutching butt-contact fit with the tension arm rod and the rotary latch push rod through a driving lock bolt arranged in a rotating way. In the invention, by reasonably designing the rotary latch telescoping mechanism and the rotating mechanism, the rotary latch can be inserted into the latch hole, and the latch can be rotated so that the latch head can be safely and stably locked in the latch hole; and therefore, the antitheft lock can prevent picking, impact and expansion with stable performance. A backlocking device is utilized to fit the locking structure of the arranged lock core; and therefore, the lock core can be completely locked, and the antitheft lock has the outstanding advantage of theft prevention.
Description
Technical field
The invention belongs to the lock technology field, be specially a kind of antitheft lock with universal rotary latch.
Background technology
The mechanical lock of prior art, except the possibility that has technical unlocking, also owing to have many defectives on the structure, and bring pick-proof, crashworthiness, anti-spreading performance not good, in other words, no matter the safe antitheft performance of traditional mechanical lock is that precautionary technology unlatching or strick precaution inartful are that destructive unlatching aspect can not satisfy the demands.
Summary of the invention
For the above-mentioned problems in the prior art, the object of the present invention is to provide a kind of antitheft lock with universal rotary latch that utilizes the rotary latch locking, its reasonable in design, antitheft advantages, very safe and reliable.
Described antitheft lock with universal rotary latch, comprise the lock core that is equipped with on lock body and the lock body, it is characterized in that being equipped with on the lock body telescoping mechanism, described telescoping mechanism comprises the slide plate that laterally is slidingly matched on the lock body and arranges, and the rotary latch of pegging graft and arranging on the slide plate, slide plate contacts the arm bar that cooperates with fulcrum, the rotary latch end has the T font dop of extended lock body, the sliding connection rotating shaft of rotary latch rear portion, and the rotary latch push rod is set vertically on the rotary latch, rotating shaft is by connecting gear and the transmission of described rotary latch push rod, rotary latch push rod corresponding site is equipped with tooth bar, and described lock core is by rotating driving dead bolt and the arm bar that arranges on it, the clutch of rotary latch push rod contacts cooperation.
Described antitheft lock with universal rotary latch, it is characterized in that being combined with distance keeper between rotary latch push rod, the lock core, comprise the backstay on the rotary latch push rod, and " recessed " font draw-in groove that is equipped with on the lock body, backstay one end clutch contacts to cooperate and drives dead bolt, the other end is equipped with spring, and is provided with the locating piece that matches with the draw-in groove recess; Slide plate one side has limited bayonet, and the slide plate back side is equipped with the slide plate distance keeper, and slide plate distance keeper Elastic Sliding is matched with lock body, and it is equipped with the location card column corresponding to the limited bayonet position.
Described antitheft lock with universal rotary latch is characterized in that on the lock body also arranging locking lock bolt and lock core locking device, locks lock bolt and is equipped with to lock and starts button, and lock to be connected between the latch lever that starts button and lock lock bolt and be provided with retainer spring; Described lock core locking device comprises and is attached at the other U-shaped sliding part of lock core, locks the oblique trunking on the lock bolt, the pilot pin that above-mentioned U-shaped sliding part setting and oblique trunking are slidingly matched.
Described antitheft lock with universal rotary latch, it is characterized in that also arranging on the lock body moveable latch member and V-shape moveable latch member push rod, socket arranges the first spring on the latch lever of described moveable latch member, and at the latch lever rear portion draw-in groove is set, described rotary latch push rod top is equipped with the interlock duplicate, described moveable latch member push rod one end is stuck in the latch lever draw-in groove of moveable latch member, and the other end contacts with the one end clutch of interlock duplicate and cooperates.
Described antitheft lock with universal rotary latch is characterized in that lock body middle part longitudinal sliding motion arranges the duplicate push rod, and the slide plate middle part is provided with bearing pin, and bearing pin is plugged in the oblique chute of duplicate push rod.
Described antitheft lock with universal rotary latch, it is characterized in that also extending and be provided with side latch fitting and top margin latch fitting, the side latch fitting arranges horizontal lock bolt by the trace interlock of side latch fitting, the top margin latch fitting arranges vertical lock bolt by the interlock push rod interlock of top margin latch fitting, above-mentioned trace is connected to duplicate push rod on the lock body by the connecting rod that is equipped with, and above-mentioned interlock push rod is connected to rotary latch push rod on the lock body by the connecting rod that is equipped with.
Described antitheft lock with universal rotary latch is characterized in that arm bar is 8 fonts, is matched with in the groove of slide plate relative set.
Described antitheft lock with universal rotary latch is characterized in that the latch lever rear end of described moveable latch member is provided with the arresting lever of block, and described block can be blocked in the moveable latch member rear end when this theftproof lock locking.
Compared with prior art, the present invention has the following advantages:
1, by rotary latch telescoping mechanism and rotating mechanism thereof reasonable in design, not only makes rotary latch insertion door bolt hole, and can make being stuck in the door bolt hole of its door bolt safety and firmness, pick-proof, crashworthiness, anti-expansion, stable performance by rotary latch.
2 and utilize anti-lock device to be equipped with the latch-up structure of lock core, can lock lock core fully, antitheft advantages.
3, except rotary latch T font dop, lock and the lock core locking, also be provided with simultaneously the moveable latch member with the anti-plug fastener, and in its lower end arresting lever be installed, make it can not use card, or the destructive unlatching of other modes, safe and reliable.
Description of drawings
Fig. 1 is structural representation of the present invention;
Fig. 2 is the structural representation of lock body part among the present invention;
Fig. 3 is the structural representation of side latch fitting and top margin latch fitting among the present invention;
Fig. 4 is the structural representation of Telescopic rotating part among the present invention;
Fig. 5 is the structural representation of flexible localization part among the present invention;
Fig. 6, Fig. 7 are the structural representation of moveable latch member part among the present invention;
Fig. 8 is the structural representation that touches the tapered end part among the present invention;
Fig. 9 is the structural representation of locking lock bolt, lock core locking device part among the present invention;
Figure 10 is the structural representation of anti-plug fastener among the present invention;
Among the figure: the 1-lock body, the 2-lock core, 2a-drives dead bolt, the 3-rotary latch, the oblique chute of 4a-4b-, the 5-slide plate, the 5a-limited bayonet, 6-touches tapered end, the 7-moveable latch member, 7a-anti-plug fastener, 8-moveable latch member push rod, 9-interlock duplicate, the 10-arresting lever, the 10a-block, the 11-tooth bar, the 12-rotating shaft, the 13-bearing pin, the 14-arm bar, the 15-draw-in groove, 16-rotary latch push rod, the 17-retainer spring, 18-locks and starts button, 19a-19b-duplicate push rod, the 20-pilot pin, 21-locks lock bolt, the 21a-oblique trunking, the 22-backstay, 23-U type sliding part, 24-slide plate distance keeper, the 25-spring, 26-top margin latch fitting, the vertical lock bolt of 27-, the horizontal lock bolt of 28-, 29-side latch fitting, 30-opens push rod.
The specific embodiment
The invention will be further described below in conjunction with Figure of description.
As shown in Figure 1 and Figure 2, this antitheft lock with universal rotary latch, comprise the lock core 2 that is equipped with on lock body 1 and the lock body 1, reach rotary latch 3, moveable latch member 7 by the driving dead bolt 2a transmission control of lock core 2, and be provided with the Telescopic rotation mechanism of control rotary latch 3, and lock lock bolt 21 with the lock core locking device.
One, Telescopic rotation mechanism
Such as Fig. 2, shown in Figure 4, Telescopic rotation mechanism comprises laterally being slidingly matched on the lock body 1 and is provided for pegging graft the slide plate 5 of rotary latch 3, the rotating shaft 12 that rotary latch 3 bottom sliding connections arrange, and the rotary latch push rods 16 that cooperate rotating shaft 12 vertically to arrange.Groove by relative set in the slide plate 5 contacts cooperation 8 font arm bars 14, and arm bar 14 1 ends contact with the driving dead bolt 2a clutch of lock core 2 by recess and cooperate, and the other end contacts in slide plate 5, and rotary latch 3 ends have the T font dop of extended lock body 1.In this mechanism, lock core 2 contacts and cooperates with arm bar 14,16 clutches of rotary latch push rod by rotating the driving dead bolt 2a that arranges on it.This Telescopic rotation mechanism, utilize 8 font arm bars 14 will drive the rectilinear motion that rotatablely moving of dead bolt 2a is converted into slide plate 5, when 8 font arm bars 14 drive around its fulcrum directional-rotation by driving dead bolt 2a, its the inner contacts slide plate 5, promote slide plate 5 transverse movements, control rotary latch 3 is extended or retracted; When driving 16 longitudinal sliding motion of dead bolt 2a driven rotary lock bolt push rod, can drive rotating shaft 12 rotations, in the present embodiment, rotating shaft 12 is by connecting gear and 16 transmissions of rotary latch push rod, rotary latch push rod 16 corresponding sites are equipped with tooth bar 11, this product also can adopt and be equipped with the projection that promotes rotating shaft 12 on the rotary latch push rod 16 in addition, and rotating shaft 12 corresponding sites are equipped with the structure of raised line, also can reach same promotion rotate effect.
Flexible spacing: such as Fig. 4, shown in Figure 5, slide plate 5 one sides have two limited bayonet 5a, slide plate 5 back sides are equipped with slide plate distance keeper 24, slide plate distance keeper 24 utilizes spring to be snug fit at lock body 1, it is equipped with location card column 24a corresponding to limited bayonet 5a position, when sliding under the effect of arm bar 14, slide plate 5 skids off, the reference column 24a of slide plate distance keeper 24 is close to slide plate 5 with the side of limited bayonet 5a under spring action, in case limited bayonet 5a is in the position of reference column 24a, reference column 24a just can stick into the location that limited bayonet 5a realizes slide plate 5.Present embodiment is provided with two limited bayonet 5a, has located two extended or retracted location points of rotary latch 3.
Rotation spacing: such as Fig. 2, shown in Figure 4, be combined with distance keeper between rotary latch push rod 16, the lock core 2, comprise the backstay 22 on the rotary latch push rod 16, and " recessed " font draw-in groove 15 that is equipped with on the lock body, backstay 22 1 end clutches contact to cooperate and drive dead bolt 2a, and the other end is equipped with spring 25, and it is provided with the locating piece that matches with draw-in groove 15 recesses, when rotary latch push rod 16 was static, locating piece was stuck in the recess.
Two, moveable latch member part
Such as Fig. 2, Fig. 6, shown in Figure 7, moveable latch member 7 also is set on the lock body 1, touches tapered end 6 and V-shape moveable latch member push rod 8, socket and the inner spring that contacts setting of door bolt head on the latch lever of described moveable latch member 7, and in its underpart draw-in groove is set, described rotary latch push rod 16 tops are equipped with interlock duplicate 9, described moveable latch member push rod 8 one ends are stuck in the latch lever draw-in groove of moveable latch member 7, and the other end contacts with the 9 one end clutches of interlock duplicate and cooperates.As shown in Figure 7, this moveable latch member 7 is provided with two kinds of opening ways: 1. the connection of interlock duplicate 9 other ends contacts the unlatching push rod 30 that cooperates with driving dead bolt 2a clutch, be equipped with the unlatching handgrip by driving dead bolt 2a control unlatching push rod 30 interlock moveable latch member push rods 8 unlatching moveable latch member 7:2. at moveable latch member push rod 8, utilize handgrip directly to open moveable latch member 7.
As shown in Figure 7, the latch lever lower end of described moveable latch member 7 is provided with the arresting lever 10 of block 10a, and described block 10a can be blocked in moveable latch member 7 lower ends when this theftproof lock locking, and the design of this structure has effectively prevented the retraction of moveable latch member 7, and is safe and reliable.In this product, moveable latch member 7 also has been equipped with the anti-plug fastener 7a with recess, such as Figure 10, is used for preventing card unlatching moveable latch member 7.
Three, lock lock bolt and lock core locking device
Such as Fig. 2, shown in Figure 9, also arrange on the lock body 1 and lock lock bolt 21 and lock core locking device, lock lock bolt 21 and be equipped with to lock and start button 18, and lock to be connected between the latch lever that starts button 18 and lock lock bolt 21 and be provided with retainer spring 17; Described lock core locking device comprises and is attached at the other U-shaped sliding part 23 of lock core 2, locks the oblique trunking 21a on the lock bolt 21 that above-mentioned U-shaped sliding part 23 arranges the pilot pin 20 that is slidingly matched with oblique trunking 21a.
Rotation is locked and is started button 18 and can drive that to lock lock bolt 21 extended or retracted, is locking two extended or retracted location points of lock bolt 21, and retainer spring 17 can play the effect that lock bolt 21 is locked in the location, and it can arbitrarily not slided.
U-shaped sliding part 23 is the porous setting, pegs graft and cooperates with locking lock bolt 21, and when locking lock bolt 21 and laterally slide, pilot pin 20 slides in oblique trunking 21a, breaks away from or inserts lock core 2 thereby drive U-shaped sliding part 23, to reach the purpose of decontroling or locking lock core 2.
Four, extend setting
Such as Fig. 1, shown in Figure 3, lock body 1 middle part longitudinal sliding motion arranges duplicate push rod 19a, the 19b that foretells font, slide plate 5 middle parts are provided with bearing pin 13, and bearing pin 13 is plugged in oblique chute 4a, the 4b of duplicate push rod 19, and described rotary latch push rod 16 also is symmetrically arranged with pair of push rods.As shown in Figure 3, this product both sides are also extended respectively and are provided with side latch fitting 29 and top margin latch fitting 26, side latch fitting 29, top margin latch fitting 26 arrange horizontal lock bolt 28, vertical lock bolt 27 by its trace, interlock push rod interlock respectively, above-mentioned trace, interlock push rod are connected to the duplicate push rod 19 on the lock body 1, the push rod of rotary latch push rod 16 by the connecting rod that is equipped with on it, and stretching of described horizontal lock bolt 28, vertical lock bolt 27 is identical with above-mentioned rotary latch 3 with the promotion principle.
In this antitheft lock with universal rotary latch, slide plate 5, lock lock bolt 21, moveable latch member 7 and be slidingly matched by the guide groove with on the lock body 1 that it arranges guide pillar respectively, slide plate distance keeper 24, touch tapered end 6, rotary latch push rod 16 and be slidingly matched by the chute of its setting and the guide rod on the lock body 1 respectively.
This product rotates by driving dead bolt 2a, the transmission mechanism of difference rotary latch 3 and moveable latch member 7, and to realize unlatching and the locking of lock bolt, the course of work is as follows,
Locking: at first, clockwise driving dead bolt 2a, 8 font arm bars 14 reverse and drive slide plates 5 outer moving, drive simultaneously duplicate push rod 19a, 19b move down respectively, on move, make rotary latch 3, vertically lock bolt 27 and laterally lock bolt 28 stretch out and insert the door bolt hole, slide plate distance keeper 24 is located; Then driving dead bolt 2a continues clockwise to rotary latch push rod 16, be pressed into backstay 22, locating piece skids off the recess of draw-in groove 15, rotary latch push rod 16 moves down and drives rotating shaft 12 and rotary latch 3 rotations, and the vertical lock bolt 27 of interlock and horizontal lock bolt 28, along with the rotation that drives dead bolt 2a, backstay 22 resets gradually, locating piece slips into another recess of draw-in groove 15, rotary latch push rod 16 stops movement, and (movement of rotary latch push rod 16 is driven rotary lock bolt 3 just in time, vertically lock bolt 27 and laterally lock bolt 28 90-degree rotations make rotary latch 3, vertically the T font dop of lock bolt 27 and horizontal lock bolt 28 firmly snaps in the door bolt hole); This moment, moveable latch member 7 was inserted the door bolt hole under the effect of spring, and pulling arresting lever 10 makes block 10a be blocked in moveable latch member 7 lower ends, and moveable latch member 7 lockings can not be opened.Lock such as need, rotate to lock to start and detain 18, make and lock lock bolt 21 lockings, utilize U-shaped sliding part 23 card jail driving dead bolt 2a this moment, complete locked lock core 2.
Open: at first, lock bolt 21 is locked in unlatching, drive U-shaped sliding part 23 and break away from driving dead bolt 2a, reverse and drive dead bolt 2a to rotary latch push rod 16, be pressed into backstay 22, locating piece skids off the recess of draw-in groove 15, move and drive rotating shaft 12 and rotary latch 3 on the rotary latch push rod 16, vertically lock bolt 27 and laterally lock bolt 28 rotations, drive the rotation of dead bolt 2a along with lock, backstay 22 resets gradually, locating piece slips into another recess of draw-in groove 15, rotary latch push rod 16 stops movement, and (movement of rotary latch push rod 16 is driven rotary lock bolt 3 just in time, vertically lock bolt 27 and laterally lock bolt 28 90-degree rotations make rotary latch 3, vertically the T font dop of lock bolt 27 and horizontal lock bolt 28 can skid off the door bolt hole); Then continue to reverse driving dead bolt 2a, 14 clockwise drive slide plate 5 travelling backwards of 8 font arm bars make rotary latch 3, vertical lock bolt 27 and horizontal lock bolt 28 retractions and skid off the door bolt hole and realize unlatching, and slide plate distance keeper 24 is located; At last continuation reverse driving dead bolt 2a contacts to open on the push rod 30 and moves, drive interlock duplicate 9, moveable latch member push rod 8 make moveable latch member 7 retractions (block that has driven arresting lever 10 in moveable latch member push rod 8 rotation processes leaves moveable latch member 7 lower ends), realize opening fully.In this product, moveable latch member 7 can make theftproof lock be mounted to arbitrarily inwardopening door or outward opening door after increasing anti-plug fastener 7a and anti-retraction arresting lever 10, has overcome present part lock external-open and has opened non-anti-theft defective in antitheft.
Claims (8)
1. antitheft lock with universal rotary latch, comprise the lock core (2) that is equipped with on lock body (1) and the lock body (1), it is characterized in that being equipped with telescoping mechanism on the lock body (1), described telescoping mechanism comprises the slide plate (5) that laterally is slidingly matched on the lock body (1) and arranges, and the upper rotary latch (3) of pegging graft and arranging of slide plate (5), slide plate (5) contacts the arm bar (14) that cooperates with fulcrum, rotary latch (3) end has the T font dop of extended lock body (1), rotary latch (3) rear portion sliding connection rotating shaft (12), and rotary latch push rod (16) is set vertically on the lock body (1), rotating shaft (12) is by connecting gear and described rotary latch push rod (16) transmission, rotary latch push rod (16) corresponding site is equipped with tooth bar (11), and described lock core (2) is by rotating the driving dead bolt (2a) and arm bar (14) that arranges on it, rotary latch push rod (16) clutch contacts cooperation.
2. antitheft lock with universal rotary latch as claimed in claim 1, it is characterized in that rotary latch push rod (16), lock core are combined with distance keeper between (2), comprise the backstay (22) on the rotary latch push rod (16), and " recessed " font draw-in groove (15) that is equipped with on the lock body, backstay (22) one end clutches contact to cooperate and drive dead bolt (2a), the other end is equipped with spring (25), and is provided with the locating piece that matches with draw-in groove (15) recess; Slide plate (5) one sides have limited bayonet (5a), slide plate (5) back side is equipped with slide plate distance keeper (24), slide plate distance keeper (24) Elastic Sliding is matched with lock body (1), and it is equipped with location card column (24a) corresponding to limited bayonet (5a) position.
3. antitheft lock with universal rotary latch as claimed in claim 1, it is characterized in that also arranging on the lock body (1) and lock lock bolt (21) and lock core locking device, lock lock bolt (21) and be equipped with to lock and start button (18), and lock to be connected between the latch lever that starts button (18) and lock lock bolt (21) and be provided with retainer spring (17); Described lock core locking device comprises and is attached at the other U-shaped sliding part (23) of lock core (2), locks the oblique trunking (21a) on the lock bolt (21) that above-mentioned U-shaped sliding part (23) arranges the pilot pin (20) that is slidingly matched with oblique trunking (21a).
4. antitheft lock with universal rotary latch as claimed in claim 2, it is characterized in that also arranging on the lock body (1) moveable latch member (7) and V-shape moveable latch member push rod (8), socket arranges the first spring on the latch lever of described moveable latch member (7), and at the latch lever rear portion draw-in groove is set, described rotary latch push rod (16) top is equipped with interlock duplicate (9), described moveable latch member push rod (8) one ends are stuck in the latch lever draw-in groove of moveable latch member (7), and the other end contacts with (9) the one end clutches of interlock duplicate and cooperates.
5. antitheft lock with universal rotary latch as claimed in claim 1, it is characterized in that lock body (1) middle part longitudinal sliding motion arranges duplicate push rod (19a, 19b), slide plate (5) middle part is provided with bearing pin (13), and bearing pin (13) is plugged in the oblique chute (4a, 4b) of duplicate push rod (19).
6. antitheft lock with universal rotary latch as claimed in claim 5, it is characterized in that also extending and be provided with side latch fitting (29) and top margin latch fitting (26), side latch fitting (29) arranges horizontal lock bolt (28) by the trace interlock of side latch fitting (29), top margin latch fitting (26) arranges vertical lock bolt (27) by the interlock push rod interlock of top margin latch fitting (26), above-mentioned trace is connected to duplicate push rod (19) on the lock body (1) by the first connecting rod that is equipped with, and above-mentioned interlock push rod is connected to rotary latch push rod (16) on the lock body (1) by the second connecting rod that is equipped with.
7. antitheft lock with universal rotary latch as claimed in claim 1 is characterized in that arm bar (14) is 8 fonts, is matched with in the groove of slide plate (5) relative set.
8. antitheft lock with universal rotary latch as claimed in claim 4, it is characterized in that the latch lever rear end of described moveable latch member (7) is provided with the arresting lever (10) of block (10a), described block (10a) can be blocked in moveable latch member (7) rear end when this theftproof lock locking.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910153654.7A CN101694141B (en) | 2009-10-26 | 2009-10-26 | Antitheft lock with universal rotary latch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910153654.7A CN101694141B (en) | 2009-10-26 | 2009-10-26 | Antitheft lock with universal rotary latch |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101694141A CN101694141A (en) | 2010-04-14 |
| CN101694141B true CN101694141B (en) | 2013-04-03 |
Family
ID=42093134
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200910153654.7A Expired - Fee Related CN101694141B (en) | 2009-10-26 | 2009-10-26 | Antitheft lock with universal rotary latch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101694141B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AU2012241117B2 (en) * | 2011-11-08 | 2015-07-16 | Allegion (Australia) Pty Ltd | A double sided door lock assembly |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6257030B1 (en) * | 1999-06-09 | 2001-07-10 | Therma-Tru Corporation | Thumb-operated multilatch door lock |
| CN200989103Y (en) * | 2006-12-29 | 2007-12-12 | 张立成 | Inserting bolt type antitheft door automatic lock |
| CN201187191Y (en) * | 2008-05-07 | 2009-01-28 | 蒋耀琦 | Automatic lock of safety door |
| CN201546527U (en) * | 2009-10-26 | 2010-08-11 | 唐卫良 | Anti-theft lock with universal rotary lock latch |
-
2009
- 2009-10-26 CN CN200910153654.7A patent/CN101694141B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6257030B1 (en) * | 1999-06-09 | 2001-07-10 | Therma-Tru Corporation | Thumb-operated multilatch door lock |
| CN200989103Y (en) * | 2006-12-29 | 2007-12-12 | 张立成 | Inserting bolt type antitheft door automatic lock |
| CN201187191Y (en) * | 2008-05-07 | 2009-01-28 | 蒋耀琦 | Automatic lock of safety door |
| CN201546527U (en) * | 2009-10-26 | 2010-08-11 | 唐卫良 | Anti-theft lock with universal rotary lock latch |
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| Publication number | Publication date |
|---|---|
| CN101694141A (en) | 2010-04-14 |
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Granted publication date: 20130403 Termination date: 20211026 |