CN203092508U - Accessory clamping mechanism and power tool with accessory clamping mechanism - Google Patents
Accessory clamping mechanism and power tool with accessory clamping mechanism Download PDFInfo
- Publication number
- CN203092508U CN203092508U CN 201220628681 CN201220628681U CN203092508U CN 203092508 U CN203092508 U CN 203092508U CN 201220628681 CN201220628681 CN 201220628681 CN 201220628681 U CN201220628681 U CN 201220628681U CN 203092508 U CN203092508 U CN 203092508U
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- annex
- flange
- clamp
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- elastic component
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Abstract
The utility model provides an accessory clamping mechanism for clamping an accessory on a working mandrel flange. The accessory clamping mechanism comprises a fastening flange, a driving device, and a pushing force component, wherein the driving device is used for enabling the fastening flange to move between a release position and a clamping position; the accessory can be taken out from the middle of the mandrel flange and the fastening flange when the driving device is located at the release position; the accessory is clamped between the mandrel flange and the fastening flange when the driving device is located at the clamping position; the pushing force component is connected with the fastening flange; the driving device comprises an operating piece and a pushing and pressing piece; the operating piece moves between a first position and a second position; the pushing and pressing piece drives the fastening flange at the release position when the operating piece is located at the first position; the pushing and pressing piece is separated from the pushing force component and the fastening flange is located at the clamping position when the operating piece is located at the second position, wherein the pushing and pressing piece and the operating piece are located on the same side of a working mandrel, so that the structure can be more compact. The utility model further provides a power tool with the accessory clamping mechanism.
Description
Technical field
The utility model relates to a kind of clamp mechanism, and especially a kind of being used for is fixed to clamp mechanism on the work arbor releasedly with annex; The utility model also relates to a kind of power tool that has this clamp mechanism, especially a kind of power tool that annex is fixed to releasedly the clamp mechanism on the work arbor that has.
Background technology
The various power tools that have the annex clamp mechanism are arranged in the market, wherein a kind of power tool that has the annex clamp mechanism, comprise: drive the work arbor of annex, annex is fixed between the retaining part and tightening member in the face of the place, end of instrument of work arbor; The mechanism that tightening member is moved the off-position that removes tightening member from work arbor and tightening member prop up clamped position by retaining part by spring element between, tightening member comprises the clamp shaft that can be inserted in the work arbor, clamp shaft remains in the clamped position by the latch assembly in the work arbor, and in the off-position, can be removed, latch assembly has the collar, clamping component can remain in the recess of the collar and against the collar with moving radially, clamping component has the inclined surface that cooperates with inclined surface on the collar on a side of instrument, make the collar cause the bump on clamping component towards the center against the athletic meeting of the inclined surface of clamping component, the operation principle of this power tool is that work arbor centers on self axis and does oscillating motion, it further comprises casing, be arranged on the motor in the casing, by motor-driven main shaft, main shaft has the eccentric part of a rotation and the setting of offset rotation axis, one shift fork is connected on the working cell by main shaft drives and manipulation, one end pivoting of shift fork is connected on the work arbor, the other end is formed with the fork of a pair of branch and is stuck on the eccentric part on the main shaft, work arbor is vertical substantially with the main axis rotation axis, moves along the pivot of work arbor and makes work arbor move and drive annex work thereby main shaft converts shift fork to around the rotation of rotation.And when the user after different annexes is installed on the work arbor, can realize multiple different operating function.Common annex comprises straight blade, saw blade, triangle frosted dish, scraper etc., can realize as work requirements such as sawing, cut, grind, scrape.
Yet, the annex clamp mechanism of above-mentioned power tool, in dispose procedure, the user must together remove clamp shaft and annex, same, in clamping process, the user also must together be clamped in clamp shaft and annex on the work arbor, this method of clamping has brought operational inconvenience, in case the user has lost clamp shaft accidentally in addition, then the annex clamp mechanism can't be carried out work, the power tool that has this annex clamp mechanism also can't be worked, also have this annex to clamp the mechanism structure complexity, required part is more, and cost is comparatively expensive.
In addition, also have a kind of power tool that has this annex clamp mechanism, it comprises the tool body that motor is housed; The clamp assembly that comprises first clamping component, it moves between closing position and release position with respect to annex, keep annex at the closing position clamp assembly, depart to allow annex to remove from clamp assembly at first clamping component of release position clamp assembly and annex, first clamping component keeps connecting with clamp assembly simultaneously; Has the actuator that operating parts divides, this actuator is attached to tool body movingly between the primary importance and the second place, be in the close position at the primary importance clamp assembly, the motion that divides at the operating parts of second place actuator causes clamp assembly to move to the release position.
Yet, when using this annex clamp mechanism to carry out the clamping annex, the shank of its annex must pass from work arbor, therefore the shank of its annex is provided with opening, thereby realize the annex of shank opening is carried out clamping or release, its annex that shank is remained silent then can't carry out clamping or release, has reduced the versatility of this annex clamp mechanism.
Summary of the invention
In order to solve the defective that exists in the above-mentioned prior art, be necessary to provide a kind of simple in structure, need not the high annex clamp mechanism of additional lock mandrel and annex versatility and have the power tool of this annex clamp mechanism.
The utility model provides a kind of annex clamp mechanism, is used for accessory clamp is held in work arbor, and this work arbor has an axle flange, and this annex clamp mechanism comprises: clamp flange; Be used to drive unit that this clamp flange is moved between off-position and clamped position, in this off-position, this annex can take out between this axle flange and this clamp flange, and in this clamped position, this accessory clamp is held between axle flange and the clamp flange; The thrust component that links to each other with this clamp flange; First elastic component, this clamp flange is by this first elastic component and by towards this clamped position bias voltage, this drive unit comprises operating assembly and thrust piece, this operating assembly comprises operating parts, this operating parts moves between the primary importance and the second place, in primary importance, this thrust piece drives this clamp flange to the off-position; In the second place, this thrust piece and this thrust component break away from, and this clamp flange is positioned at clamped position, and wherein, this thrust piece and this operating parts are positioned at the homonymy of this work arbor, can be so that structure is compact more.This technical scheme does not need the together clamped and release of independent clamp shaft and annex on the one hand, thereby has eliminated the hidden danger that the user loses clamp shaft easily, has saved cost yet; Can also carry out clamping to the annex that shank is remained silent on the other hand, improve the versatility of this annex clamp mechanism.
For the ease of user's operation, this operating assembly may further include pivot, and this operating parts pivots around pivot, and thrust piece is arranged between operating parts and the pivot, and this operating parts is arranged to the lever form, can be laborsaving.
Further, this thrust component is positioned at a side of this work arbor, makes structure compact more.
This thrust piece has pushing position and reset position, in this pushing position, this thrust piece contacts with transfer function power with this thrust component to thrust component, and in this reset position, thereby this thrust piece and the disengaging of this thrust component make operating parts automatically reset to bonding station.
It automatically resets and realizes by the following technical solutions, operating assembly further comprises second elastic component, the two ends of this second elastic component are installed in respectively on housing and the operating parts, this reset assembly further comprises pressing piece, the 3rd elastic component and the 4th elastic component, the two ends of the 3rd elastic component act on respectively on housing and the thrust piece, the two ends of the 4th elastic component are installed in respectively on pressing piece and the operating parts, the active force of this second elastic component is greater than the active force of the 3rd elastic component, and the active force of the 3rd elastic component is greater than the active force of the 4th elastic component.
In addition, the axle flange is provided with the shape closing component structure, and annex is provided with corresponding shape closing component structure, and this axle flange is connected with this annex shape sealedly, does not transmit moment of torsion so that can have between annex and the axle flange with relatively rotating.
More accurately annex shape closing component structure is navigated on the shape closing component structure of axle flange for the ease of the user, clamp flange is provided with the opening of the mutual correspondence position of the shape closing component structure that is used for seeing clearly the axle flange and the corresponding shape closing component structure in the annex.
The utility model also provides a kind of power tool that has aforesaid annex clamp mechanism, and this power tool comprises: housing; Be contained in the motor in the housing, this motor has driving shaft; The power source of power is provided to motor; Convert rotatablely moving of this motor drive shaft the transmission mechanism of work arbor to around himself axis oscillating motion.Use this annex clamp mechanism on the swing power tool, it is more firm to make that annex is held ground, and operation is convenient more.
Further, transmission mechanism comprises eccentric part and connector, and this eccentric part is installed on the driving shaft, one end of this connector links to each other with this eccentric part, the other end links to each other with work arbor, and thrust component makes that the structure of this power tool is compact more between work arbor and eccentric part.
Description of drawings
Fig. 1 is the stereogram that has the power tool of annex clamp mechanism among the utility model first embodiment;
Fig. 2 is the stereogram that removes the annex clamp mechanism behind the housing among Fig. 1;
Fig. 3 is the upward view of the annex clamp mechanism among Fig. 2.
Fig. 4 is the partial sectional view that the operating parts of the annex clamp mechanism among Fig. 1 is positioned at bonding station;
Fig. 5 is the partial sectional view that the operating parts of the annex clamp mechanism among Fig. 1 is positioned at primary importance;
Fig. 6 is the partial sectional view that the operating parts of the annex clamp mechanism among Fig. 1 is positioned at the second place;
Fig. 7 is the cutaway view that removes the annex clamp mechanism behind the housing among Fig. 4;
Fig. 8 is the cutaway view that removes the annex clamp mechanism behind the housing among Fig. 5;
Fig. 9 is the cutaway view that removes the annex clamp mechanism behind the housing among Fig. 6;
Figure 10 is the partial sectional view that has among the utility model second embodiment behind the removal housing of power tool of annex clamp mechanism.
The specific embodiment
Shown in Fig. 1-4, a kind of power tool 1 that has the annex clamp mechanism is disclosed among first embodiment of the present utility model, be that example describes with the swing power tool in the present embodiment.Power tool 1 comprises housing 2, the power source 3 that links to each other with housing 2, is contained in motor 4 and driving shaft 5, transmission mechanism 6, work arbor 7 and annex clamp mechanism 10 in the housing 2.
Power source 3 provides power for motor 4, is understandable that power source 4 can be power sources well-known to those skilled in the art such as power brick, AC power supplies, air compressor or portable power source.Driving shaft 5 is driven by motor 4, and can rotate around its rotation X.Transmission mechanism 6 comprises eccentric part 61 and connector 62, eccentric part 61 has an axis with the rotation X of driving shaft 5 biasing, connector 62 is driven and is handled by driving shaft 5 and is connected on the work arbor 7, work arbor 7 is supported by pair of bearings 8, connector 62 is arranged to the shape of shift fork, one end of shift fork is fixedly connected on the work arbor 7, and the other end is formed with the fork of a pair of branch and is stuck on the eccentric part 61.Work arbor 7 has the vertical substantially rotation Y with the rotation X of driving shaft 5, moves along the pivot of the rotation Y of work arbor 7 and makes work arbor 7 move and drive annex 9 oscillating motions thereby driving shaft 5 converts connector 62 to around the rotation of rotation X.That is to say that motor 4 will rotatablely move through transmission mechanism 6 and convert the oscillating motion around himself axis Y of work arbor 7 to.
Please with further reference to Fig. 4-9, annex clamp mechanism 10 comprises driver part (figure is mark not), thrust component 13, clamp flange 14 and first elastic component 15.Thrust component 13 is set in place the side in work arbor 7, further, thrust component 13 is set in place between eccentric part 61 and work arbor 7, thrust component 13 has a longitudinal axis Z that is parallel to the axis Y of work arbor, also be provided with on the transmission mechanism 6 and be used for supporting and the support portion 63 of the thrust component 13 that leads, thrust component 13 is fixedlyed connected with clamp flange 14, and both also can be arranged to one.The thickness of clamp flange 14 is smaller or equal to the vertical height of the step 91 of annex 9, so that annex 9 carries out operation at the small space place.Axle flange 71 is provided with the support portion (figure is mark not) of being convenient to thrust component 13 and passing and support thrust component 13, axle flange 71 has in the expansion section of thrust component 13 1 sides (figure is mark not), this expansion section, clamp flange 14 and thrust component 13 have been formed the balancing weight of center of gravity in work arbor 7 one sides, the center of gravity of annex 9 is positioned at the opposite side of work arbor 7, in swing process, the expansion section of axle flange, clamp flange 14 and thrust component 13 are done and annex 9 rightabout swings, just can offset the vibration that is produced by annex 9, thrust component 13 can be delivered to the user on the clamp flange 14 to the power that applies on the drive unit.When the shank 90 of annex 9 when remaining silent, annex 9 need not to pass thrust component 13 and can be clamped between axle flange 71 and the clamp flange 14.Drive unit can drive clamp flange 14 and move between off-position and clamped position, and in the off-position, annex 9 can be from taking out between axle flange 71 and the clamp flange 14; In clamped position, annex 9 is clamped between axle flange 71 and the clamp flange 14; First elastic component 15, preferably can be set to stage clip, the one end is arranged on the axle flange 71, the other end be arranged on thrust component 13 on the boss 130 that radially extends, boss 130 can be an independent circular gasket, also can be the step that radially extend integrally formed with thrust component 13, be understandable that, first elastic component 15 also can be set to other member well known to those skilled in the art, as elastic caoutchouc, leaf spring etc., clamp flange 14 is by this first elastic component 15 and by towards the clamped position bias voltage.The user is delivered to clamp flange 14 to the power that applies on the drive unit, and the active force that clamp flange 14 overcomes first elastic component 15 moves to the off-position, thereby can be with annex 9 from taking out between clamp flange 14 and the axle flange 71.
Figure 10 shows second embodiment of annex clamping device 10 ', different with first embodiment is, clamp flange 14 ' and thrust component 13 ' are separated with axle flange 71 ', make thrust component 13 ' and clamp flange 14 ' together not to swing with work arbor 7 '.Specifically, axle flange 71 ' is not provided with the expansion section, this axle flange 71 ' is symmetrical arranged along its rotation Y ', thrust component 13 ' is supported and guiding by first support portion 131 ' and second support portion 132 ' that are arranged on the housing, one end of elastic component 15 ' is arranged on the boss 130 ' of thrust component 13 ', the other end is arranged on second support portion 132 ', clamp flange 14 ' is provided with plane bearing 141 ', the needle roller of plane bearing 141 ' can roll in the annex swing process, but the end plate of plane bearing 141 ' and clamp flange 14 ' are not together swung with annex and work arbor 7 ', such the friction that can reduce between clamp flange 7 ' and the annex are set.
To the driver part structure of the annex clamp mechanism 10 among first embodiment be described in detail below.
Please consult Fig. 4-Fig. 9 once more, driver part comprises operating assembly 11 and reset assembly 12.Operating assembly 11 comprises pivot 110, second elastic component 111 and operating parts 112.Pivot 110 is installed on the housing 2, this second elastic component 111 preferably can be set to torsion spring, this torsion spring is installed on the pivot 110, one end is arranged on the housing 2, the other end is arranged on the operating parts 112, operating portion 112 is by second elastic component 111 and by towards the direction bias voltage near housing 2, be understandable that, second elastic component 111 also can be set to other other members well known to those skilled in the art, as elastic caoutchouc, leaf spring etc., this operating parts 112 preferably is set to the spanner around pivot 110 pivots, the axis normal of this pivot 110 is in the axis Y of work arbor 7, well known to those skilled in the art, operating parts 112 also can be arranged to the structure that push button or button etc. are convenient to user's operation.Reset assembly 12 comprises pivot 120, thrust piece 121, pressing piece 122, the 3rd elastic component 123 and the 4th elastic component 124.Pivot 120 is installed on the operating parts 112, thrust piece 121 and pressing piece 122 are separately positioned on the both sides of pivot 120, thrust piece 121 is arranged between operating parts 112 and the pivot 110, thrust piece 121 and operating parts 112 are positioned at the homonymy of work arbor 7, one end of the 3rd elastic component 123 is installed on the housing 2, the other end can act on the thrust piece 121, the 3rd elastic component 123 preferably can be set to stage clip, thrust piece 121 by the 3rd elastic component 123 by towards the direction bias voltage that breaks away from thrust component 13, be understandable that, the 3rd elastic component 123 also can be set to other member well known to those skilled in the art, as elastic caoutchouc, leaf spring etc., the 4th elastic component 124 is installed on the pivot 120, its two ends are separately positioned on operating assembly 11 and the pressing piece 122, the 4th elastic component 124 preferably is set to torsion spring, thrust piece 121 passes through the 4th elastic component 124 quilts towards the direction bias voltage that engages with thrust component 13, be understandable that, the 4th elastic component 124 also can be set to other other members well known to those skilled in the art, as elastic caoutchouc, leaf spring etc.Drive unit also can include only operating assembly 11 and thrust piece 121, and other member in the cancellation reset assembly 12, such setting, operating assembly 11 comprises operating parts 112, and operating parts 112 moves between the primary importance and the second place, in primary importance, thrust piece 121 breaks away from thrust component 13, clamp flange 14 is positioned at clamped position, and in the second place, thrust piece 121 drives clamp flange 14 to the off-position.
To describe in detail the operating process of the annex clamp mechanism 10 among first embodiment below.
From Fig. 4 and the direction of arrow shown in Figure 7 operating parts 112 is moved to as shown in Figure 5 and Figure 8 primary importance from bonding station, the thrust piece 121 in the reset assembly 12 is biased into the pushing position under the effect of the 4th elastic component 124; From the Fig. 4 and the direction of arrow shown in Figure 7 operating parts 112 is moved to as the Fig. 6 and the second place shown in Figure 9 from primary importance again, thrust piece 121 is applied to force transmission on the operating parts 112 to thrust component 13 with the user, and overcome the active force of first elastic component 15, thrust component 13 and clamp flange 14 are moved down, clamp flange 14 breaks away from and reserves enough gaps from the surface of annex 9 makes annex 9 to take out being removed shown in the direction of arrow between clamp flange 14 and axle flange 71 as Fig. 6 and Fig. 9, after person to be used puts into the direction of arrow and once more annex 9 is put between clamp flange 14 and the axle flange 71 by Fig. 6 and Fig. 9, unclamp operation part 112, thrust component 13 and clamp flange 14 are under the effect of first elastic component 15, return to clamped position, this moment, user's operating position was positioned at Fig. 4 and primary importance shown in Figure 7, the user operates the pressing piece 122 in the reset assembly 12, thrust piece 121 is moved to reset position from the pushing position, thereby make operating parts automatically reset to bonding station, in order to ensure effectively carrying out of this process, need such setting, the active force of second elastic component 111 is greater than the active force of the 3rd elastic component 123, and the active force of the 3rd elastic component 123 is greater than the active force of the 4th elastic component 124.When thrust piece 121 moves to reset position from the pushing position, the active force of cause the 3rd elastic component is greater than the active force of the 4th elastic component 124, thrust piece 121 can't automatically restore to biased position, but be biased into reset position by such active force, in case thrust piece 121 breaks away from thrust component 13, the active force of cause second elastic component 111 makes operating parts 112 be arrived bonding station by autobias greater than the active force of the 3rd elastic component 123.Be understandable that Fig. 6 and shown in Figure 9 to put into and take out the direction of arrow be side surface direction from work arbor 7 preferably, can be set to the direction vertical with the rotation Y of work arbor 7.
Also show clamp flange 14 among Fig. 3 and Fig. 4 and be provided with opening 140, the user is in the operating process of clamping annex 9, can see the shape closing component structure 710 of axle flange 71 and the mutual correspondence position of the corresponding shape closing component structure 93 in the annex 9 accurately clearly, be convenient to the user and rapidly and accurately annex 9 is clamped between clamp flange 14 and the axle flange 71.
Be understandable that annex clamp mechanism 10 not only can be used on the swing power tool, also can use on power tools such as hand-operated tools and angle mill, electric circular saw.When annex clamp mechanism 10 was used for hand-operated tools, annex clamp mechanism 10 can comprise housing 2; Be used to drive the work arbor 7 of annex 9, accessory clamp is held between axle flange 71 and the clamp flange 14; Be used to drive unit that clamp flange 14 is moved between off-position and clamped position, in the off-position, annex can be from taking out between axle flange 71 and the clamp flange 14, in clamped position, annex 9 is clamped between axle flange 71 and the clamp flange 14, the thrust component 13 that links to each other with clamp flange; Clamp flange 14 is by first elastic component 15 and by towards the clamped position bias voltage.Such annex clamp mechanism 10 promptly can be used in the hand-operated tools.Well known to those skilled in the art, as long as the transmission mechanism that will swing in the power tool replaces to the transmission mechanism that other power tool needs, annex is processed workpiece under the effect of corresponding transmission mechanism, then this annex clamp mechanism can be used for other power tool.
Annex clamp mechanism that the utility model disclosed and the power tool that has this annex clamp mechanism are not limited to the structure of content described in the above embodiment and accompanying drawing representative.On basis of the present utility model to the shape of member wherein and conspicuous change that the position is done, substitute or revise, all within the claimed scope of the utility model.
Claims (2)
1. an annex clamp mechanism is used for accessory clamp is held in work arbor, and described work arbor has an axle flange, and this annex clamp mechanism comprises: clamp flange; Be used to drive unit that described clamp flange is moved between off-position and clamped position, in described off-position, described annex can take out between described axle flange and described clamp flange, and in described clamped position, described accessory clamp is held between axle flange and the clamp flange; The thrust component that links to each other with described clamp flange; First elastic component, described clamp flange is by described first elastic component and by towards described clamped position bias voltage, described drive unit comprises operating assembly and thrust piece, described operating assembly comprises operating parts, described operating parts moves between the primary importance and the second place, in primary importance, described thrust piece drives described clamp flange to the off-position; In the second place, described thrust piece and described thrust component break away from, and described clamp flange is positioned at clamped position, it is characterized in that: described thrust piece and described operating parts are positioned at the homonymy of described work arbor.
2. annex clamp mechanism according to claim 1 is characterized in that: described operating assembly also comprises pivot, and described operating parts pivots around described pivot, and described thrust piece is arranged between described operating parts and the pivot.
3. annex clamp mechanism according to claim 1 is characterized in that: described thrust component is positioned at a side of described work arbor.
4. annex clamp mechanism according to claim 1, it is characterized in that: described thrust piece has pushing position and reset position, in described pushing position, described thrust piece contacts with transfer function power to thrust component with described thrust component, in described reset position, thereby described thrust piece and the disengaging of described thrust component make operating parts automatically reset to bonding station.
5. annex clamp mechanism according to claim 4, it is characterized in that: described annex clamp mechanism also comprises housing, described operating assembly comprises second elastic component, the two ends of described second elastic component are installed in respectively on housing and the described operating parts, described annex clamp mechanism also comprises pressing piece, the 3rd elastic component and the 4th elastic component, the two ends of described the 3rd elastic component act on respectively on described housing and the described thrust piece, the two ends of described the 4th elastic component are installed in respectively on described pressing piece and the described operating parts, the active force of described second elastic component is greater than the active force of the 3rd elastic component, and the active force of described the 3rd elastic component is greater than the active force of described the 4th elastic component.
6. annex clamp mechanism according to claim 1 and 2 is characterized in that: described axle flange is provided with tangible closing component structure, and described annex is provided with corresponding shape closing component structure, and described axle flange is connected with described annex shape sealedly.
7. annex clamp mechanism according to claim 6 is characterized in that: described clamp flange is provided with the opening of the mutual correspondence position of the shape closing component structure that is used for seeing clearly the axle flange and the corresponding shape closing component structure in the annex.
8. a power tool that has as each described annex clamp mechanism of claim 1-5 comprises: housing; Be contained in the motor in the housing, described motor has driving shaft; The power source of power is provided to motor; Convert rotatablely moving of described motor drive shaft the transmission mechanism of work arbor to around himself axis oscillating motion.
9. power tool according to claim 8, it is characterized in that: described transmission mechanism comprises eccentric part and connector, described eccentric part is installed on the described driving shaft, one end of described connector links to each other with described eccentric part, the other end links to each other with described work arbor, and described thrust component is between described work arbor and described eccentric part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220628681 CN203092508U (en) | 2012-11-23 | 2012-11-23 | Accessory clamping mechanism and power tool with accessory clamping mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220628681 CN203092508U (en) | 2012-11-23 | 2012-11-23 | Accessory clamping mechanism and power tool with accessory clamping mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203092508U true CN203092508U (en) | 2013-07-31 |
Family
ID=48843949
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220628681 Expired - Fee Related CN203092508U (en) | 2012-11-23 | 2012-11-23 | Accessory clamping mechanism and power tool with accessory clamping mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203092508U (en) |
-
2012
- 2012-11-23 CN CN 201220628681 patent/CN203092508U/en not_active Expired - Fee Related
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|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130731 Termination date: 20191123 |
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| CF01 | Termination of patent right due to non-payment of annual fee |