CN207743096U - Press switch - Google Patents
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- CN207743096U CN207743096U CN201820228529.2U CN201820228529U CN207743096U CN 207743096 U CN207743096 U CN 207743096U CN 201820228529 U CN201820228529 U CN 201820228529U CN 207743096 U CN207743096 U CN 207743096U
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- snap frame
- closing piece
- kick
- contact
- pull rod
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Abstract
The utility model provides one kind and pressing switch, presses switch and includes：Pedestal；Upper cover, lid are located on pedestal；Kick component, including snap frame and kick spring；Driving part, including it is articulated in the button of outer side of lid and the pull rod that is movably mounted in installation space, one end of pull rod is pierced by from installation space and is drivingly connected with button, and kick spring is arranged between snap frame and pull rod；Contact component, including static contact and moving contact；Pull rod, which is equipped with, to be extended downwardly and across the drive rod of snap frame, kick component further includes being located at two closing pieces below snap frame and being oppositely arranged, drive rod coordinates with closing piece face face, button drives pull rod side-to-side movement, when drive rod drives a closing piece to be detached from snap frame and another closing piece clamping snap frame, kick spring drives snap frame to generate left and right kick.The utility model solves the problems, such as that the line face contact between the reconciliation locking plate of dynamic locking plate easy tos produce and wears and then lead to the service life for shortening switch.
Description
Technical field
The utility model is related to electric tool switch technical fields, and in particular to one kind pressing switch.
Background technology
Currently, it is ON/OFF electric tool switch to press switch, it is typically employed in the electric tools such as angle grinder, cutting machine
On.At home and abroad research and development technology is ripe for such switch, but there are service lifes to fall short of, reliability is insufficient for most of switch
The problems such as, cannot meet the needs of high-end customer.Specifically, the movable contact and stationary contact for pressing switch contact with each other, and switch is led
It is logical.Since movable contact and stationary contact time of contact are longer, along with the use of frequency greatly for a long time, movable contact and stationary contact are mutual
The immediate current and voltage of contact are again larger, can burn out the contact surface of movable contact and stationary contact, generate such as arcing, showing of burning to death
As occurring, and then influence service life and use reliability.
In view of the above-mentioned deficiencies, patent CN106449214A is disclosed a kind of novel switched, which includes pedestal, wiring
Column, stationary contact, sliding shoe assembly, unlock push-rod assembly, quiet locking plate and upper cover；Stationary contact is installed on binding post, binding post installation
On pedestal, there are four binding posts, and four binding posts are arranged side by side before and after being two one group, and are equipped between binding post side by side
Gap；It is sliding shoe assembly includes sliding shoe, is arranged on sliding shoe movable contact, movable contact spring, movable contact spring compression spring, dynamic locking plate, dynamic
Locking plate compression spring and kick compression spring, sliding shoe centre are a plane, are provided with a prism below sliding shoe, prism can be inserted into gap
It is interior, it is opened in prism there are two slot, movable contact spring compression spring is equipped in slot, movable contact spring is housed on movable contact spring compression spring, on movable contact spring
Equipped with movable contact, in the accommodating cavity that kick compression spring is arranged on sliding shoe, dynamic locking plate and the setting of dynamic locking plate compression spring are being slided
It in another accommodating cavity on block, is opened above dynamic locking plate there are two groove, protrusion is provided with below dynamic locking plate, move locking plate compression spring assembly
In protrusion；It includes that unlock push rod conciliates locking plate to unlock push-rod assembly, and solution locking plate is loop-shaped stereo hollow structure, solution locking plate one end
It is connected with unlock push rod, solution locking plate is provided with trapezoidal inclined plane and trapezoidal puts down with unlocking below the parallel both ends in push rod length direction
Face；Quiet locking plate is assemblied in upper cover.
It is above-mentioned when pressing switch connection or disconnecting, relative motion is generated between dynamic locking plate reconciliation locking plate, moves the groove of locking plate
Slot bottom contact with the trapezoidal inclined plane of unlock on piece and contacts for line face, the contact of line face easy tos produce abrasion, along with long-time with
The abrasion of big frequency used between making the reconciliation locking plate of dynamic locking plate in turn results in switch failure, shortens out than more serious
The service life of pass.
Utility model content
The main purpose of the utility model is to provide one kind pressing switch, to solve to move the reconciliation of locking plate in the prior art
Line face contact between locking plate easy tos produce the problem of wearing and then leading to the service life for shortening switch.
To achieve the above object, the utility model provides one kind and pressing switch, including：Pedestal；Upper cover, lid are located at pedestal
Above and with pedestal form installation space；Kick component, in the installation space, kick component includes snap frame and kick bullet for setting
Spring；Driving part, including be articulated in the button of outer side of lid and be movably mounted in installation space and be located on snap frame
The pull rod of side, one end of pull rod are pierced by from installation space and are drivingly connected with button, and kick spring is arranged in snap frame and pull rod
Between；Contact component, including the static contact being fixed on the base and the moving contact being arranged on snap frame；Pull rod is equipped with downward
Extend and across the drive rod of snap frame, kick component further includes being located at two closing pieces below snap frame and being oppositely arranged, and is driven
Lever coordinates with closing piece face face, and button drives pull rod side-to-side movement, drive rod that a closing piece is driven to be detached from snap frame and another
When closing piece clamping snap frame, kick spring drives snap frame to generate left and right kick.
Further, the lower end of drive rod there are two driving inclined-planes being oppositely arranged and be connected to two driving inclined-planes it
Between driving plane, there is on each closing piece the driven inclined-plane being respectively cooperating with a driving inclined-plane and driving plane and driven put down
Face.
Further, for the bottom surface tool of snap frame there are two spaced card slot, two card slots are located at the both sides of drive rod,
The top surface of each closing piece has clamping protrusion protruding upward and with corresponding card slot adaptation.
Further, kick component further includes that one end is resisted against on pedestal and the other end is resisted against the closing piece bullet on closing piece
Spring.
Further, there is closing piece the installation groove for installing closing piece spring, the other end of closing piece spring to be resisted against peace
On the slot bottom for filling groove.
Further, static contact is two spaced stationary contacts, and set corresponding with two stationary contacts is equipped on pedestal
Two binding posts set, stationary contact are mounted on binding post, and moving contact includes dynamic touch panel and the setting being threaded through on snap frame
In the both ends of dynamic touch panel and the movable contact on the outside of snap frame.
Further, it is equipped with touch spring between the side and snap frame of the separate stationary contact of dynamic touch panel.
Further, there are two contact component is set, two contact components are located at the opposite both sides of drive rod.
Further, it further includes the resetting spring being arranged between pull rod and upper cover to press switch.
Further, pull rod is connect with button activity.
Technical solutions of the utility model have the following advantages that：Assuming that the original state for pressing switch is moving contact and stationary contact
Head disconnects, at this point, drive rod is detached with snap frame with the closing piece of the cooperation of the closing piece in left side, left side and the closing piece and kick on right side
Frame clamping presses down on button, and pull rod is driven to move right, and under the action of kick spring, drives snap frame to move right, directly
Closing piece to right side blocks drive rod, continues to press button, pull rod continues to move right and compress kick spring, the storage of kick spring
Energy；When the closing piece on drive rod driving right side is detached from snap frame, snap frame quickly moves right under the action of kick spring,
It drives moving contact to move right quickly to connect with static contact, at the same time the closing piece in left side and snap frame clamping；Lifting is pressed upwards
Button, the course of work for pressing switch is similar with the above process, and in this not go into detail.In the above-mentioned course of work, drive rod
Coordinate with closing piece face face, reduce the abrasion between drive rod and closing piece, extends the service life for pressing switch, effective solution
Moving the line face contact between the reconciliation locking plate of locking plate in the prior art and easy ting produce to wear causes to shorten making for switch in turn
The problem of with the service life.And it is above-mentioned press switch be switched on or switched off realize moment be switched on or switched off, moving contact and static contact are mutual
The moment being in contact is extremely short, and such electric current and voltage influence smaller caused by moving contact and static contact, and service life is long, reliably
Property high, applied widely, effective solution sound contact time length and immediate current, the excessive appearance of voltage in the prior art
It is also easy to produce arcing, burns the problem of influence switch service life and reliability to death.
Description of the drawings
It, below will be right in order to illustrate more clearly of specific embodiment of the present invention or technical solution in the prior art
Specific implementation mode or attached drawing needed to be used in the description of the prior art are briefly described, it should be apparent that, it is described below
In attached drawing be that some embodiments of the utility model are not paying creativeness for those of ordinary skill in the art
Under the premise of labour, other drawings may also be obtained based on these drawings.In the accompanying drawings：
Fig. 1 shows the decomposition diagram of the embodiment according to the present utility model for pressing switch；
Schematic cross-sectional view of the switch under first state is pressed Fig. 2 shows Fig. 1；
Fig. 3 show the A-A for pressing switch of Fig. 2 to schematic cross-sectional view；
Fig. 4 shows the partial schematic sectional view of the B-B direction for pressing switch of Fig. 3；
Fig. 5 shows that Fig. 1's presses schematic cross-sectional view of the switch under the second state；
Fig. 6 shows that Fig. 1's presses partial schematic sectional view of the switch under the second state；
Fig. 7 shows that Fig. 1's presses schematic cross-sectional view of the switch under the third state；
Fig. 8 shows that Fig. 1's presses partial schematic sectional view of the switch under the third state；
Fig. 9 shows that Fig. 1's presses schematic cross-sectional view of the switch under the 4th state；
Figure 10 shows that Fig. 1's presses partial schematic sectional view of the switch under the 4th state；
Figure 11 shows that Fig. 1's presses schematic cross-sectional view of the switch under the 5th state；
Figure 12 shows that Fig. 1's presses partial schematic sectional view of the switch under the 5th state；
Figure 13 shows that Fig. 1's presses schematic cross-sectional view of the switch under the 6th state；
Figure 14 shows that Fig. 1's presses partial schematic sectional view of the switch under the 6th state.
Wherein, the reference numeral in above-mentioned attached drawing is：
10, pedestal；20, upper cover；21, positioning protrusion；31, snap frame；311, card slot；32, kick spring；33, closing piece；
331, driven inclined-plane；332, driven plane；333, clamping protrusion；34, closing piece spring；41, button；42, pull rod；421, it drives
Bar；4211, driving inclined-plane；4212, plane is driven；422, driving protrusion；51, static contact；52, moving contact；521, touch panel is moved；
522, movable contact；61, binding post；71, touch spring；72, resetting spring；81, screw；82, pin；83, sealing ring；84, fixed
Position pin.
Specific implementation mode
The technical solution of the utility model is clearly and completely described below in conjunction with attached drawing, it is clear that described
Embodiment is the utility model a part of the embodiment, instead of all the embodiments.Based on the embodiments of the present invention, originally
The every other embodiment that field those of ordinary skill is obtained without making creative work, belongs to this practicality
Novel protected range.
As shown in Figure 1, the switch of pressing of the present embodiment includes：Pedestal 10, upper cover 20, kick component, driving part and touch
Head part, the lid of upper cover 20 are located on pedestal 10 and form installation space with pedestal 10；Kick component is arranged in the installation space, dashes forward
It includes snap frame 31 and kick spring 32 to jump component；Driving part includes the button 41 and movably for being articulated in the outside of upper cover 20
One end of pull rod 42 in installation space and above snap frame 31, pull rod 42 is pierced by from installation space and and button
41 are drivingly connected, and kick spring 32 is arranged between snap frame 31 and pull rod 42；Contact component includes being fixed on pedestal 10
Static contact 51 and the moving contact 52 being arranged on snap frame 31；Pull rod 42, which is equipped with, to be extended downwardly and across the driving of snap frame 31
Bar 421, kick component further include two closing pieces 33 for being located at 31 lower section of snap frame and being oppositely arranged, drive rod 421 and closing piece 33
Face face coordinates, and button 41 drives 42 side-to-side movement of pull rod, drive rod 421 that a closing piece 33 is driven to be detached from snap frame 31 and another
When 33 clamping snap frame 31 of closing piece, kick spring 32 drives snap frame 31 to generate left and right kick.
Switch is pressed using the present embodiment, it is assumed that the original state for pressing switch is that moving contact and static contact disconnect, this
When, the cooperation of closing piece 33 in drive rod 421 and left side, the closing piece 33 in left side detached with snap frame 31 and the closing piece on right side 33 with dash forward
Jump 31 clamping of frame, press down on button, drive pull rod 42 move right, under the action of kick spring 32, drive snap frame to
Right movement (as shown in Figures 2 to 4) continues to press button until the closing piece 33 on right side blocks drive rod 421, pull rod continue to
Right movement and compression kick spring, kick spring energy-storage；When the closing piece 33 on drive rod driving right side is detached from snap frame, kick
Frame quickly moves right under the action of kick spring, drives moving contact to move right and is quickly connected with static contact, at the same time
The closing piece in left side and snap frame clamping；Lifting button upwards, the course of work for pressing switch is similar with the above process, herein no longer
It is described in detail.In the above-mentioned course of work, drive rod 421 coordinates with 33 face face of closing piece, reduces between drive rod and closing piece
Abrasion extends and presses the service life of switch, and effective solution moves the line face between the reconciliation locking plate of locking plate in the prior art
Contact easy tos produce the problem of wearing and then leading to the service life for shortening switch.And above-mentioned switch of pressing is connecing on-off
It opens and realizes that moment is switched on or switched off, the moment that moving contact and static contact contact with each other is extremely short, and such electric current and voltage are to moving contact
With influence smaller caused by static contact, service life is long, reliability is high, applied widely, and effective solution is in the prior art
The sound contact time grows and immediate current, voltage are excessive easy tos produce arcing, burns influence switch service life to death and reliable
The problem of property.
In the present embodiment, as shown in figure 5, the lower end of drive rod 421 has two driving inclined-planes 4211 being oppositely arranged
And the driving plane 4212 being connected between two driving inclined-planes 4211, have on each closing piece 33 and a driving inclined-plane 4211
The driven inclined-plane 331 and driven plane 332 being respectively cooperating with driving plane 4212.Driving inclined-plane and the cooperation of driven inclined-plane facilitate drive
Dynamic closing piece is detached with snap frame, and driving is easy.
In the present embodiment, there are two spaced card slot 311, two card slots 311 are located at the bottom surface tool of snap frame 31
The top surface of the both sides of drive rod 421, each closing piece 33 has clamping protrusion that is protruding upward and being adapted to corresponding card slot 311
333.Clamping protrusion 333 coordinates with card slot 311 so that closing piece and snap frame clamping, ensure stability of the switch in break-make.
In the present embodiment, as shown in Fig. 2, kick component further includes one end is resisted against on pedestal 10 and the other end is resisted against
Closing piece spring 34 on closing piece 33.Closing piece spring 34 makes closing piece moves downward under the action of drive rod to be detached with snap frame,
It is simple in structure.
In the present embodiment, closing piece 33 has an installation groove for installing closing piece spring 34, closing piece spring 34 it is another
End is resisted against on the slot bottom of installation groove.Installation groove facilitates installation closing piece spring.
In the present embodiment, it as shown in Figure 1, static contact 51 is two spaced stationary contacts, is equipped on pedestal 10
Two binding posts 61 being correspondingly arranged with two stationary contacts, stationary contact are mounted on binding post 61, and moving contact 52 includes wearing
Dynamic touch panel 521 on snap frame 31 and it is arranged at the both ends of dynamic touch panel 521 and positioned at the movable contact 522 in 31 outside of snap frame.
Simple in structure, characteristics of compact layout is flexible.Binding post 61 is fixed on the base by screw 81.
In the present embodiment, as shown in figure 4, being equipped between the side and snap frame 31 of the separate stationary contact of dynamic touch panel 521
Touch spring 71.Touch spring 71 can ensure that movable contact 522 ensures to press switch fully with stationary contact point contact when connecting
Connect stability.
In the present embodiment, there are two contact component is set, two contact components are located at the opposite both sides of drive rod 421.
In the present embodiment, as shown in Figure 1, pull rod 42 is flexibly connected with button 41.The swing of button can be converted to pull rod in this way
Linear motion.Specifically, button 41 is equipped with pin 82, and pull rod is equipped with movable span, and pin is threaded through in movable span.Pedestal
It is equipped with the installation groove at the middle part for installing pull rod, installation groove is mounted on after the middle part of pull rod set above sealing ring 83
In.
In the present embodiment, as shown in Fig. 2, it further includes the reset bullet being arranged between pull rod 42 and upper cover 20 to press switch
Spring 72.Resetting spring 72 automatically resets to pull rod, and at this moment there is no need to operation buttons, and operation is easier, improves electronic
Quick degree when tool uses and comfort level.As shown in Figure 1, button is connect by positioning pin 84 with upper cover.
In the present embodiment, as shown in Fig. 2, the inner roof wall of upper cover is equipped with the positioning protrusion 21 extended downwardly, pull rod tool
It is useful for the installation groove of installation resetting spring 72, positioning protrusion 21 is inserted into installation groove, and one end of resetting spring is connected to
On the left side of installation groove, the other end is connected on the left side of positioning protrusion 21.
In the present embodiment, as shown in Figure 1 and Figure 4, the opposite both sides of snap frame are equipped with the protrusion outwardly protruded,
Protrusion is equipped with the ladder straight slot along moving direction, and ladder straight slot includes along the sequentially connected first slot section of moving direction, the
The width of two slot sections and third slot section, the second slot section is more than the first slot section and third slot section, and kick spring is mounted on the second slot section
In, pull rod is equipped with the both sides for being located at kick spring and the driving protrusion 422 coordinated with ladder straight slot.In the moving process of pull rod
In, driving protrusion 422 is suitable for moving in stepped channel, is easy to implement snap frame kick in this way.Protrusion along moving direction
Edge be equipped with clamping portion, pull rod is equipped with the holding section that coordinate with clamping portion, and clamping portion connects not shadow with holding section clamping
Ring the relative motion between snap frame and pull rod.
The course of work for pressing switch is illustrated below, the original state for pressing switch is movable contact 522 and stationary contact
Point disconnects (as shown in Figure 2 and Figure 4), presses down on button 41, button 41 drives pull rod 42 to move right to lower swing, prominent
Under the action of ricochet spring 32, snap frame 31 is driven to move, until the closing piece 33 on right side blocks the drive rod 421 on pull rod 42, dashed forward
Frame stop motion (as shown in Figure 5 and Figure 6) is jumped, continues to press down on button, pull rod continues to move right, and pull rod compresses kick bullet
Spring 32,32 energy storage of kick spring (as shown in Figure 7 and Figure 8), when drive rod 421 pushes closing piece 33 and the snap frame disengaging on right side
When, snap frame 31 quickly moves right under the action of kick spring 32, drives movable contact to move right and is quickly connect with stationary contact
Logical (as shown in Figure 9 and Figure 10)；Then release button, pull rod move downward under the action of resetting spring, button with rising,
Under the action of kick spring 32, pull rod drives snap frame 31 to move, until the closing piece 33 in left side blocks the driving on pull rod 42
Bar 421, snap frame stop motion (as is illustrated by figs. 11 and 12), pull rod continue to move downward, and pull rod compresses kick spring 32, dash forward
32 energy storage of ricochet spring (as shown in Figure 13 and Figure 14), when the closing piece 33 that drive rod 421 pushes left side is detached from snap frame, kick
Frame 31 quickly moves downward under the action of kick spring 32, drives movable contact to move downward and is quickly disconnected with stationary contact.
Obviously, the above embodiments are merely examples for clarifying the description, and does not limit the embodiments.It is right
For those of ordinary skill in the art, can also make on the basis of the above description it is other it is various forms of variation or
It changes.There is no necessity and possibility to exhaust all the enbodiments.And it is extended from this it is obvious variation or
Among the protection domain that variation is created still in the utility model.
Claims (10)
1. one kind pressing switch, including：
Pedestal (10)；
Upper cover (20), lid are located on the pedestal (10) and form installation space with the pedestal (10)；
Kick component is arranged in the installation space, and the kick component includes snap frame (31) and kick spring (32)；
Driving part, including be articulated in the button (41) on the outside of the upper cover (20) and be movably mounted at the installation space
Pull rod (42) interior and above the snap frame (31), one end of the pull rod (42) be pierced by from the installation space and with
The button (41) is drivingly connected, and the kick spring (32) is arranged between the snap frame (31) and the pull rod (42)；
Contact component, including the static contact (51) being fixed on the pedestal (10) and setting are dynamic on the snap frame (31)
Contact (52)；
It is characterized in that,
The pull rod (42), which is equipped with, to be extended downwardly and across the drive rod (421) of the snap frame (31), the kick component
Further include being located at two closing pieces (33) below the snap frame (31) and being oppositely arranged, the drive rod (421) and the lock
Block (33) face face coordinates, and the button (41) drives pull rod (42) side-to-side movement, the drive rod (421) to drive an institute
When stating snap frame (31) described in closing piece (33) the disengaging snap frame (31) and another described closing piece (33) clamping, the kick
Spring (32) drives the snap frame (31) to generate left and right kick.
2. according to claim 1 press switch, which is characterized in that the lower end of the drive rod (421) has opposite set
Two driving inclined-planes (4211) set and the driving plane (4212) being connected between two driving inclined-planes (4211), it is each described
There is the driven inclined-plane being respectively cooperating with a driving inclined-plane (4211) and the driving plane (4212) on closing piece (33)
(331) and driven plane (332).
3. according to claim 1 press switch, which is characterized in that there are two intervals for the bottom surface tool of the snap frame (31)
The card slot (311) of setting, two card slots (311) are located at the both sides of the drive rod (421), each closing piece (33)
Top surface has protruding upward and raised (333) with the clamping of corresponding card slot (311) adaptation.
4. according to claim 1 press switch, which is characterized in that the kick component further includes described in one end is resisted against
On pedestal (10) and the other end is resisted against the closing piece spring (34) on the closing piece (33).
5. according to claim 4 press switch, which is characterized in that the closing piece (33) has for installing the closing piece
The other end of the installation groove of spring (34), the closing piece spring (34) is resisted against on the slot bottom of installation groove.
6. according to claim 1 press switch, which is characterized in that the static contact (51) is two spaced quiet
Contact is equipped with two be correspondingly arranged with two stationary contacts binding posts (61), the stationary contact on the pedestal (10)
Point is mounted on the binding post (61), and the moving contact (52) includes the dynamic touch panel being threaded through on the snap frame (31)
(521) and setting is in the both ends of the dynamic touch panel (521) and the movable contact (522) on the outside of the snap frame (31).
7. according to claim 6 press switch, which is characterized in that the separate stationary contact of the dynamic touch panel (521)
Side and the snap frame (31) between be equipped with touch spring (71).
8. according to claim 1 press switch, which is characterized in that there are two the contact component is set, two described tactile
Head part is located at the opposite both sides of the drive rod (421).
9. according to claim 1 press switch, which is characterized in that the switch of pressing further includes being arranged in the pull rod
(42) resetting spring (72) between the upper cover (20).
10. according to claim 1 press switch, which is characterized in that the pull rod (42) and the button (41) activity
Connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820228529.2U CN207743096U (en) | 2018-02-08 | 2018-02-08 | Press switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820228529.2U CN207743096U (en) | 2018-02-08 | 2018-02-08 | Press switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207743096U true CN207743096U (en) | 2018-08-17 |
Family
ID=63124518
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820228529.2U Active CN207743096U (en) | 2018-02-08 | 2018-02-08 | Press switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207743096U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112038151A (en) * | 2020-09-11 | 2020-12-04 | 贵州振华华联电子有限公司 | Single-side locking button switch |
-
2018
- 2018-02-08 CN CN201820228529.2U patent/CN207743096U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112038151A (en) * | 2020-09-11 | 2020-12-04 | 贵州振华华联电子有限公司 | Single-side locking button switch |
| CN112038151B (en) * | 2020-09-11 | 2022-09-30 | 贵州振华华联电子有限公司 | Single-side locking button switch |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 325608 Puqi Industrial Zone, Hongqiao Town, Leqing City, Wenzhou City, Zhejiang Province Patentee after: Kedu Electric Co.,Ltd. Address before: 325608 Puqi Industrial Zone, Hongqiao Town, Leqing City, Wenzhou City, Zhejiang Province Patentee before: KEDU ELECTRIC Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder |