CN205789580U - The locking device of chopper - Google Patents
The locking device of chopper Download PDFInfo
- Publication number
- CN205789580U CN205789580U CN201620612006.9U CN201620612006U CN205789580U CN 205789580 U CN205789580 U CN 205789580U CN 201620612006 U CN201620612006 U CN 201620612006U CN 205789580 U CN205789580 U CN 205789580U
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- China
- Prior art keywords
- lock
- chopper
- main
- baffle plate
- core
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn - After Issue
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Abstract
The locking device of chopper includes the main lock of the push rod for locking chopper and for locking the secondary lock of main lock, described master key and secondary lock all includes lock body and lock core, the lock body of master key and secondary lock be axially installed with rotating lock core, one end of lock core is rotationally connected with lock body, and offer lockhole on this end, the other end of lock core stretches out lock body, the external part of the lock core of main lock matches to lock push rod with push rod, the external part of the lock core of secondary lock is provided with the baffle plate of linkage, described baffle plate is positioned at the top of the lockhole of main lock, the lockhole that can dodge or block main lock is rotated under the drive of the lock core that baffle plate is locked in pair, to realize locking main lock.This utility model provides the locking device of a kind of chopper, simple in construction and safe and reliable.
Description
Technical field
This utility model relates to Low Voltage Electrical Apparatus, is specifically related to the locking device of a kind of chopper.
Background technology
Existing omnipotent breaker can be equipped with a kind of locking device with key, and this device is positioned at the big face shield of chopper
Above the operating mechanism cover plate in portion, the push rod at opening button rear can be locked, be closed by the transmission within operating mechanism
The function that can close a floodgate can not be released, after realizing breaker energy storage, by system.But the locking with key that existing omnipotent breaker is equipped with fills
Put, realize single key lock only, need to realize the multistage locking of chopper once user or many locks at the same level just cannot meet
Requirement.
Utility model content
The purpose of this utility model is to overcome the defect of prior art, it is provided that a kind of simple in construction and safe and reliable breaking
The locking device of road device.
For achieving the above object, this utility model adopts the technical scheme that
The locking device of a kind of chopper, including the main lock 2 of the push rod for locking chopper 1 with for locking main lock 2
Secondary lock 3, described main lock 2 and secondary lock 3 all include lock body and lock core, and being axially installed with of the lock bodies of main lock 2 and secondary lock 3 is rotatable
Lock core, one end of lock core is rotationally connected with lock body, and offers lockhole on this end, and the other end of lock core stretches out lock body, main
The external part of the lock core 21 of lock 2 matches to lock push rod with push rod, and the external part of the lock core 31 of secondary lock 3 is provided with the gear of linkage
Plate 4, described baffle plate 4 is positioned at the top of the lockhole 22 of main lock 2, baffle plate 4 pair lock 3 lock core 31 drive under rotate can dodge or
Block the lockhole 22 of main lock 2, to realize locking main lock 2.
Preferably, described main lock 2 is arranged on the case 11 of chopper 1, and one end matches with push rod in stretching into chopper 1
Closing, the other end protrudes the lateral wall of case 11 with lockhole 22, and described secondary lock 3 is arranged on the outer wall of case 11 and is positioned at main lock 2
Side, main lock 2 is arranged with the parallel staggered floor of lock core of secondary lock 3, and described baffle plate 4 is arranged between the lock core of main lock 2 and secondary lock 3,
One end of baffle plate 4 is vertically connected on the lock core 31 of secondary lock 3, and the other end of baffle plate 4 is positioned at the top of the lockhole 22 of main lock 2.
Preferably, described secondary lock 3 is arranged on the outer wall of case 11 of chopper 1 by mounting bracket 5, and described installation is propped up
Frame 5 include the first installing plate 51 and the second installing plate 52 that parallel interval is arranged, the first installing plate 51 and the second installing plate 52 it
Between be provided with two connecting plates 53 being connected to two ends, wherein, the first installing plate 51 is fixed on the outer wall of case 11, second
Installing plate 52 offers installing hole 52a, and for installing the lock body 30 of secondary lock 3, the lock body 30 of secondary lock 3 stretches into through installing hole 52a
The two ends making the lock core 31 of secondary lock 3 in mounting bracket 5 are positioned at the both sides of the second installing plate 52, and one end of baffle plate 4 is connected to pair
What the lock core 31 of lock 3 was placed in mounting bracket 5 puts on the inner, and the other end of baffle plate 4 stretches out mounting bracket 5.
Preferably, described first installing plate 51 is provided with cross conduit 51a so that the first installing plate 51 is separated into corner
Four pieces of independent mounting blocks 51b of distribution, every piece of mounting blocks 51b is equipped with fixing hole 51c.
Preferably, two connecting plates 53 part between two pieces of mounting blocks 51b is all towards the installation direction of mounting bracket 5
Extending and form two support protrusion 53a, the end face of support protrusion 53a is concordant with the lateral surface of mounting blocks 51b.
Preferably, what the lock body 30 of described secondary lock 3 was placed in mounting bracket 5 puts first be provided with on the inner for fastening
Nut 33, during assembling, the lock body of secondary lock 3 is through installing hole 52a, and the first nut 33 is sleeved on the lock body 30 of secondary lock 3 and is placed in installation
Put on the inner in support 5 so that the lock body 30 of secondary lock 3 is fixed on the second installing plate 52.
Preferably, the lock core 31 of described secondary lock 3 being fixed with described baffle plate 4, the borehole jack of the end of baffle plate 4 is contained in secondary lock 3
Lock core 31 on abut with the lock body 30 of pair lock 3, and be fastened on by the second nut 34 formed on the lock core 31 of secondary lock 3 spacing solid
Fixed.
Preferably, described baffle plate 4 is provided with the occlusion part 41 of circle, the shape size of described occlusion part 41 and the lock of main lock 2
Body 20 shape size matches.
Preferably, the cross sectional shape of described support protrusion 53a is square, and and the mounting blocks 51b interval setting of both sides,
The length of the protruding 53a of the support spacing less than the mounting blocks 51b of both sides.
Preferably, described first installing plate 51 is concordant with the side of connecting plate 53, and protrudes the side of the second installing plate 52
Make between the second installing plate 52 and connecting plate 53, to form the breach 54 being positioned at the second installing plate 52 both sides.
The locking device of chopper of the present utility model, uses split type setting to realize separate unit open circuit by master key and secondary lock
The multistage locking of device separating brake or many locks at the same level, without directly contact only by the baffle plate with pair lock synchronous axial system between master key and secondary lock
Realize main lock and whether can carry out unlocking operation, simple in construction and reliable, it is simple to dismounting, application is flexibly, applied widely, the most right
The locking of main lock shading type so that it is more directly perceived whether main lock can carry out unlocking operation, and time saving and energy saving, safety is higher.It is easy to
The existing chopper only using single latch-up structure is improved, it is not necessary to the drive mechanism of latch-up structure and chopper is carried out
Change.
Accompanying drawing explanation
Fig. 1 is the structural representation of chopper of the present utility model and locking device；
Fig. 2 is the structural representation of chopper of the present utility model and main lock；
Fig. 3 is the front perspective view of locking device of the present utility model；
Fig. 4 is the rear perspective view of locking device of the present utility model；
Fig. 5 is the structural representation of mounting bracket of the present utility model；
Fig. 6 is the schematic diagram of master key and secondary lock lock-out state of the present utility model；
Fig. 7 is main lock locking of the present utility model and the schematic diagram of secondary lock unlocked state；
Fig. 8 is the internal structure schematic diagram of chopper under main lock released state of the present utility model；
Fig. 9 is the internal structure schematic diagram of chopper under main lock lock-out state of the present utility model；
Figure 10 be in Fig. 9 of the present utility model A to sectional view.
Detailed description of the invention
The embodiment be given below in conjunction with accompanying drawing 1 to 10, further illustrates the locking device of chopper of the present utility model
Detailed description of the invention.The locking device of chopper of the present utility model is not limited to the following description.
As it is shown in figure 1, the locking device of chopper of the present utility model, including the operating mechanism for locking chopper 1
The main lock 2 of push rod and all include lock body and lock core, main lock 2 and secondary lock 3 for locking the secondary lock 3 of main lock 2, main lock 2 and secondary lock 3
Lock body be axially installed with rotating lock core, one end of lock core is rotationally connected with lock body, and offers lockhole on this end,
The other end of lock core stretches out lock body, and the external part of the lock core of main lock 2 matches with push rod, rests on sub-gate position locking push rod
Putting, the external part of the lock core of secondary lock 3 is provided with the baffle plate 4 of linkage, and baffle plate 4 is positioned at the top of the lockhole of main lock 2, can be by joining
The lock core of revolute pair lock 3 in the lockhole of key kit insertion pair lock 3, thus baffle plate 4 rotates and can keep away under the drive of the lock core of pair lock 3
Allow or block the lockhole of main lock 2, to realize locking main lock 2.Split type setting is used to realize chopper and divide by master key and secondary lock
The multistage locking of lock or many locks at the same level, without directly contact only by realizing with the baffle plate of pair lock synchronous axial system between master key and secondary lock
Whether main lock can carry out unlocking operation, simple in construction and reliable, it is simple to dismounting, application is flexibly, applied widely, in addition to main lock
The locking of shading type so that it is more directly perceived whether main lock can carry out unlocking operation, and time saving and energy saving, safety is higher.Such as Fig. 1 institute
Showing, when inserting and secondary lock 3 supporting keys when turning clockwise, the lock core of secondary lock 3 drives baffle plate 4 to rotate so that baffle plate 4 and
Horizontal plane stroke angle, it is achieved dodge the function of main lock 2, the inverse process of above-mentioned action can realize blocking the function of main lock 2.This
The secondary lock of the locking device of utility model is not limited to one, thus is not limited to realize double locking, it is also possible to be that many pairs are locked, real
Existing multiple locking.
Specifically, as shown in Figures 2 and 3, main lock 2 includes the first lock body 20 and the first lock core 21, the axle of the first lock body 20
To being provided with rotating first lock core 21, one end of the first lock core 21 is rotationally connected with the first lock body 20, and opens on this end
Being provided with the first lockhole 22, the other end of the first lock core 21 stretches out the first lock body 20；Secondary lock 3 includes the second lock body 30 and the second lock core
31, the second lock body 30 be axially installed with rotating second lock core 31, one end of the second lock core 31 rotates with the second lock body 30
Connecting, and offer the second lockhole 32 on this end, the other end of the second lock core 31 stretches out the second lock body 30.
As illustrated in fig. 1 and 2, chopper of the present utility model and the mounting structure of locking device, main lock 2 is arranged on chopper
Being positioned at the top of opening button 12 on the case 11 of 1, matching with push rod in stretching into chopper 1 in one end, the other end is with first
Lockhole 22 protrudes the lateral wall of case 11, secondary lock 3 be arranged on the outer wall of case 11 be positioned at main lock 2 side and be positioned at combined floodgate by
The top of button 13, the first lock core 21 is arranged with the second parallel staggered floor of lock core 31, and baffle plate 4 is arranged on the first lock core 21 and the second lock core
Between 31, one end of baffle plate 4 is vertically connected on the second lock core 31, and the other end of baffle plate 4 is positioned at the surface of the first lockhole 22.
Simple in construction and rational and compact, action phase is non-interference, improves reliability.Under normal circumstances, chopper 1 is first pressed
Opening button 12, just can be placed in lock-out state by main lock 2；After main lock 2 locks and extracts key, pair lock 3 could be placed in lock
Determine state.When chopper 1 is in the lock state, owing to the separating brake push rod at opening button 12 rear is locked, by chopper 1
The internal lever-linked relation of operating mechanism, now presses switch knob 13, and chopper 1 cannot close a floodgate, thus realize open circuit
Device 1 lock function.Additionally, baffle plate 4 is provided with the occlusion part 41 of circle, shape size and first lock body 20 shape of occlusion part 41 are big
Little match.Lockhole is completely covered block, improves the reliability of locking, effectively prevent foreign object from causing brokenly in entering lockhole
Bad.
As shown in Figure 1 and Figure 5, the structure of mounting bracket of the present utility model, secondary lock 3 is arranged on disconnected by mounting bracket 5
On the outer wall of the case 11 of road device 1, the integrated formed structure that mounting bracket 5 is processed for iron and steel, the arranged including parallel interval
One installing plate 51 and the second installing plate 52, is provided with between the first installing plate 51 and the second installing plate 52 and is connected to the two of two ends
Individual connecting plate 53, wherein, the first installing plate 51 is fixed on the outer wall of case 11, and the second installing plate 52 offers installing hole 52a,
For installing the second lock body 30, the second lock body 30 makes the second lock body 30 and second in stretching into mounting bracket 5 through installing hole 52a
The two ends of lock core 31 are respectively positioned on the both sides of the second installing plate 52, and one end of baffle plate 4 is connected to the second lock core 31 and is placed in mounting bracket 5
Interior puts on the inner, and the other end of baffle plate 4 stretches out mounting bracket 5.Realize pair lock by mounting bracket and be arranged on the cover of chopper
Outside shell, simple in construction and firmly, easy disassembly, chopper is without the phase-locked mounting structure coordinated of additional and pair simultaneously, simple
Changing the structure of chopper case, what pair was locked sets up the laying not affecting chopper case inner structure.Specifically, the first installing plate 51
It is provided with cross conduit 51a so that the first installing plate 51 is separated into four four pieces of angular distribution independent mounting blocks 51b, every piece
It is equipped with fixing hole 51c on mounting blocks 51b, case 11 can be sequentially passed through by screw and fixing hole 51c is fixed installation
Support 5.The setting of cross conduit, the turn of the screw time convenient for assembly, improves convenience and the efficiency of assembling.Additionally, two connections
The plate 53 part between two pieces of mounting blocks 51b all extends towards the installation direction of mounting bracket 5 and forms two support protrusion
53a, the end face of support protrusion 53a is concordant with the lateral surface of mounting blocks 51b.The setting of support protrusion, plays support with spacing
Effect, improves fastness and the convenience of assembling.The cross sectional shape of support protrusion 53a is square, and with the mounting blocks 51b of both sides
Interval is arranged, the length of the support protrusion 53a spacing less than the mounting blocks 51b of both sides.And, the first installing plate 51 and connecting plate
The side of 53 is concordant, and the side protruding the second installing plate 52 makes to be formed between the second installing plate 52 and connecting plate 53 to be positioned at the
The breach 54 of two installing plate 52 both sides.
Secondary lock of the present utility model and the fixed structure of mounting bracket, in what the second lock body 30 was placed in mounting bracket 5 puts
Being provided with the first nut 33 for fastening on end, during assembling, the second lock body passes installing hole 52a, and the first nut 33 is sleeved on
What the second lock body 30 was placed in mounting bracket 5 is put on the inner so that the second lock body 30 is fixed on the second installing plate 52.Fastening
Mode is simple, easy to operate, improves efficiency of assembling and fastness.
Baffle plate of the present utility model and the fixed structure of secondary lock, the second lock core 31 is fixed with baffle plate 4, the end of baffle plate 4
Borehole jack be contained on the second lock core 31 and abut with the second lock body 30, and be fastened on the second lock core 31 formation by the second nut 34
Spacing fixing.The hard-wired setting of baffle plate, simple in construction and firmly, convenient for assembly, the synchronicity of raising action and concordance.
Course of action of the present utility model, as shown in Figure 6, the most main lock 2 is in lock-out state with secondary lock 3.Secondary lock 3
Key is in the lock-out state being perpendicular to horizontal plane, and now the second lock of secondary lock 3 can freely be extracted or insert by the key of secondary lock 3
Hole 32.What baffle plate 4 was fixed on that the second lock core 31 is placed in mounting bracket 5 puts on the inner, follows the rotation of the second lock core 31 and turns
Dynamic, the direction of baffle plate 4 is vertical with the handle orientations of the key of secondary lock 3.When pair lock 3 is in the lock state, the occlusion part of baffle plate 4
41 just cover above the first lockhole 22 of main lock 2 so that the key of main lock 2 cannot insert in the first lockhole 22.When being in
Under state as shown in Figure 6, the key of secondary lock 3 turns clockwise after inserting the second lockhole 32, makes the second lock core 31 drive baffle plate 4
Rotating, the occlusion part 41 of baffle plate 4 is rotated up avoiding the first lockhole 22 of main lock 2 with the second lock core 31 for axle.As it is shown in fig. 7,
The most main lock 2 is in the lock state, and secondary lock 3 is in unlocked state.Then, after the key of main lock 2 is inserted into the first lockhole 22,
Pin opening button 12, and rotate clockwise the key of main lock 2, make the first lock core 20 drive corresponding lever inside chopper 1
After turning an angle, reach to unlock effect, at this moment press switch knob 13 and chopper 1 just can be made to close a floodgate.
As seen in figs. 8-10, the latch-up structure of the push rod of main lock of the present utility model and chopper, described main lock 2 is by propping up
Frame 23 is fixedly mounted on cover plate 14, the end of the first lock core 21 of main lock 2 is provided with the locked flapper 24 of linkage, is used for locking
Determining the separating brake push rod 15 of chopper 1, locked flapper 24 is provided with the spacing block set 24a coordinated with separating brake push rod 15, separating brake push rod
15 are provided with the limited step 15a matched with spacing block set 24a.As shown in Figure 8, when main lock 2 is under released state, press
Lower opening button 12, promotes separating brake push rod 15 rearward to move horizontally, after now the limited step 15a on separating brake push rod 15 synchronizes
Moving, the key rotating main lock 2 drives the first lock core 21 to rotate counterclockwise, thus drives locked flapper 24 to rotate and arrive locking bit
Putting, the spacing block set 24a of locked flapper 24 just keeps out the front of the limited step 15a at separating brake push rod 15, plays limiting lock
Being set for use, the most main lock 2 is in lock-out state as shown in Figure 9 and Figure 10, and the operating mechanism of chopper 1 is locked cannot be closed
Lock.
Above content is to combine concrete preferred implementation further detailed description of the utility model, it is impossible to
Assert that of the present utility model being embodied as is confined to these explanations.Ordinary skill for this utility model art
For personnel, without departing from the concept of the premise utility, it is also possible to make some simple deduction or replace, all should regard
For belonging to protection domain of the present utility model.
Claims (10)
1. the locking device of a chopper, it is characterised in that: include push rod for locking chopper (1) main lock (2) and
Lock body (20,30) and lock core (21,31) is all included for locking the secondary lock (3) of main lock (2), described main lock (2) and secondary lock (3),
The lock body (20,30) of main lock (2) and secondary lock (3) be axially installed with rotating lock core (21,31), the one of lock core (21,31)
End and lock body (20,30) are rotationally connected, and offer lockhole (22,32) on this end, and the other end of lock core (21,31) stretches out lock
Body (20,30), the external part of the lock core (21) of main lock (2) matches to lock push rod with push rod, the lock core (31) of secondary lock (3)
External part is provided with the baffle plate (4) of linkage, and described baffle plate (4) is positioned at the top of the lockhole (22) of main lock (2), and baffle plate (4) is in pair
Under the drive of the lock core (31) of lock (3), rotation can dodge or block the lockhole (22) of main lock (2), to realize locking main lock (2).
The locking device of chopper the most according to claim 1, it is characterised in that: described main lock (2) is arranged on chopper
(1) on case (11), match with push rod in stretching into chopper (1) in one end, and the other end protrudes case with lockhole (22)
(11) lateral wall, described secondary lock (3) is arranged on the side being positioned at main lock (2) on the outer wall of case (11), main lock (2) and secondary lock
(3) lock core (21,31) parallel staggered floor is arranged, described baffle plate (4) be arranged on main lock (2) and the secondary lock core (21,31) locking (3) it
Between, one end of baffle plate (4) is vertically connected on the lock core (31) of secondary lock (3), and the other end of baffle plate (4) is positioned at the lock of main lock (2)
The top in hole (22).
The locking device of chopper the most according to claim 1 and 2, it is characterised in that: described secondary lock (3) is propped up by installing
Frame (5) is arranged on the outer wall of case (11) of chopper (1), and described mounting bracket (5) includes first that parallel interval is arranged
Installing plate (51) and the second installing plate (52), be provided with between the first installing plate (51) and the second installing plate (52) and be connected to two
Two connecting plates (53) of end, wherein, the first installing plate (51) is fixed on the outer wall of case (11), and the second installing plate (52) is opened
Being provided with installing hole (52a), be used for installing the lock body (30) of secondary lock (3), the lock body (30) of secondary lock (3) is stretched through installing hole (52a)
The two ends making the lock core (31) of secondary lock (3) in entering mounting bracket (5) are positioned at the both sides of the second installing plate (52), baffle plate (4)
What one end was connected to that the lock core (31) of secondary lock (3) is placed in mounting bracket (5) puts on the inner, and the other end of baffle plate (4) stretches out peace
Dress support (5).
The locking device of chopper the most according to claim 3, it is characterised in that: described first installing plate (51) is provided with
Cross conduit (51a) so that the first installing plate (51) is separated into four four pieces of angular distribution independent mounting blocks (51b), every piece
Fixing hole (51c) it is equipped with on mounting blocks (51b).
The locking device of chopper the most according to claim 4, it is characterised in that: two connecting plates (53) are positioned at two pieces of peaces
Part between dress block (51b) all extends towards the installation direction of mounting bracket (5) and forms two support protrusion (53a), supports convex
The end face playing (53a) is concordant with the lateral surface of mounting blocks (51b).
The locking device of chopper the most according to claim 3, it is characterised in that: the lock body (30) of described secondary lock (3) is put
Putting in mounting bracket (5) is provided with the first nut (33) for fastening on the inner, during assembling, the lock body of secondary lock (3) is worn
Crossing installing hole (52a), what the first nut (33) was sleeved on that the lock body (30) of secondary lock (3) is placed in mounting bracket (5) puts on the inner,
The lock body (30) making secondary lock (3) is fixed on the second installing plate (52).
The locking device of chopper the most according to claim 3, it is characterised in that: on the lock core (31) of described secondary lock (3)
Being fixed with described baffle plate (4), the borehole jack of the end of baffle plate (4) is contained in the upper lock body with pair lock (3) of lock core (31) of secondary lock (3)
(30) abut, and by the second nut (34) be fastened on the lock core (31) of secondary lock (3) upper formed spacing fixing.
The locking device of chopper the most according to claim 1, it is characterised in that: described baffle plate (4) is provided with the screening of circle
Stopper (41), the shape size of described occlusion part (41) and lock body (20) shape size of main lock (2) match.
The locking device of chopper the most according to claim 5, it is characterised in that: the cross section of described support protrusion (53a)
It is shaped as square, and and mounting blocks (51b) the interval setting of both sides, the length of support protrusion (53a) is less than the mounting blocks of both sides
(51b) spacing.
The locking device of chopper the most according to claim 3, it is characterised in that: described first installing plate (51) and company
The side of fishplate bar (53) is concordant, and the side protruding the second installing plate (52) make the second installing plate (52) and connecting plate (53) it
Between formed and be positioned at the breach (54) of the second installing plate (52) both sides.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620612006.9U CN205789580U (en) | 2016-06-21 | 2016-06-21 | The locking device of chopper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620612006.9U CN205789580U (en) | 2016-06-21 | 2016-06-21 | The locking device of chopper |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205789580U true CN205789580U (en) | 2016-12-07 |
Family
ID=58133487
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620612006.9U Withdrawn - After Issue CN205789580U (en) | 2016-06-21 | 2016-06-21 | The locking device of chopper |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205789580U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107527760A (en) * | 2016-06-21 | 2017-12-29 | 浙江正泰电器股份有限公司 | The locking device of breaker |
-
2016
- 2016-06-21 CN CN201620612006.9U patent/CN205789580U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107527760A (en) * | 2016-06-21 | 2017-12-29 | 浙江正泰电器股份有限公司 | The locking device of breaker |
| CN107527760B (en) * | 2016-06-21 | 2020-11-20 | 浙江正泰电器股份有限公司 | Locking device of circuit breaker |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Wenzhou Zhengtai Electrical Technology Co., Ltd Assignor: Zhejiang Chint Electrics Co.,Ltd. Contract record no.: X2020330000078 Denomination of utility model: Locking device of circuit breaker Granted publication date: 20161207 License type: Common License Record date: 20201021 |
|
| EE01 | Entry into force of recordation of patent licensing contract | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20161207 Effective date of abandoning: 20201120 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20161207 Effective date of abandoning: 20201120 |
|
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |