CN206732878U - With the T-shaped instrument for helping unit - Google Patents
With the T-shaped instrument for helping unit Download PDFInfo
- Publication number
- CN206732878U CN206732878U CN201720242551.8U CN201720242551U CN206732878U CN 206732878 U CN206732878 U CN 206732878U CN 201720242551 U CN201720242551 U CN 201720242551U CN 206732878 U CN206732878 U CN 206732878U
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- China
- Prior art keywords
- joint portion
- rod
- groove
- composition surface
- shaped instrument
- 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.)
- Expired - Fee Related
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- Mutual Connection Of Rods And Tubes (AREA)
Abstract
The utility model discloses a kind of T-shaped instrument for having and helping unit, it is mainly by a tool body, one button arrived piece, and one support unit formed, it is mainly provided with button arrived piece between the drive rod of tool body and the support unit, and the button arrived piece part is restricted in the ring-shaped groove of the support unit, part props up the driving body of rod of drive rod, and the button arrived piece is in that point contacts with the drive rod, use when allowing user to grip the support unit and rotating the tool body, it is minimized frictional resistance, lifting rotates the speed of the tool body, reach the purpose for saving the operating time, and any upper and lower displacement in axial direction of the drive rod along the tool body is prevented simultaneously, reach the purpose of lifting ease of use.
Description
Technical field
T-shaped instrument is the utility model is related to, more particularly to a kind of T-shaped instrument for having and helping unit.
Background technology
Refer to shown in Fig. 1, show the T-shaped instrument 10 of in general, it is mainly hung down by a horizontal action bars 11 and one
The direct-connected drive rod 12 for connecing the action bars 11 is formed, wherein formed in the end of the drive rod 12 in interior polygonal groove profile state (or
Corner head dummy state) drive head 121, be nested with the screw lock modules such as nut, bolt (on figure using the drive head 121
Do not show), and profit holds with a hand the action bars 11 and the rotation that exerts a force, to carry out the operation that pine moves back or fastened to screw lock module.When
It can also so link in the drive head 121 of polygonal groove profile state for the screwdriver head of other forms, so as to different kenels or size
Screw lock module carry out pine and move back or terminal operation.
However, the T-shaped instrument 10 is in operation, mainly to hold the held stationary of drive rod 12 on the other hand, and the other hand
The action bars 11 is then rotated, and then drives the pine of screw lock module to move back or fasten；But when user is in operation, due to human body
Wrist can not 360 degree of rotations, therefore, need to be decontroled after a certain special angle is turned to and grip the action bars 11 again and revolved
Turn, in this way, operationally extremely inconvenience is also lost time, so when screw lock module slightly loosens, user is in order to increase
Add the speed of rotation, it will usually the palm for gripping the drive rod 12 is slightly loosened, afterwards fast-turn construction action bars 11 again, use profit
Reach the purpose of acceleration start screw lock module with the active force of its rotator inertia, but this practice can make the T-shaped instrument 10 can not
Held stationary, and influenceed by palm frictional resistance, in addition to it can not save the time of operation, user may be caused what is more
The injured accident of palm.
Therefore, then developing a kind of such as TW M390201 " Improvement type tool construction " patent case, it is mainly by set
The setting of cylinder and instrument, causes user to grip sleeve on the other hand, and with the handle of the other hand turning tool, tool heads is exerted a force
In the action locked, unloaded on fixation kit, and then with purpose easy to use and good stability when operation.So
And the telescopic of this patent case is in integrative-structure kenel, therefore the sleeve is only capable of being fixed on the instrument in a manner of being arranged
On group connecting part, the bar footpath that there must be one end in the structure kenel of the group connecting part, that is, the group connecting part both ends and hence, limit
Caliber less than the sleeve could be arranged to complete to assemble for sleeve, and can not be applied to T-shaped tool construction type as shown in Figure 1
State；If in addition, the sleeve on the inside of be excessively bonded with the body of rod of the instrument and be completely in face contact relation, the instrument operate when,
Its body of rod by the frictional resistance on the inside of the sleeve influenceed and can not quick rotation, therefore the operating time can not be saved；Relatively,
If the compactness on the inside of the sleeve between the body of rod of the instrument is inadequate, due to having no the limitation knot mutually pind down between the two
Structure, therefore, when user grips the sleeve, the body of rod of the instrument highlights use readily along the axially downwardly sliding of instrument
The defects of inconvenient.
In addition, also developing a kind of such as TW M476032 " fast driving Quick Release handle " patent case, it is by tool bullet
The material of property deformability is made, and uses on the drive rod for the hand-held tool for being easily assembled in various different sizes or form with side
Just the hand-held tool quick rotation, however, because the fast driving Quick Release handle is made up of the material of elastic deformability, because
This, when the fast driving Quick Release handle is set on the drive rod of the hand-held tool, if the inner side of the fast driving Quick Release handle
Excessively it is bonded with the driving club shaft and is in complete face contact relation, for the hand-held tool in operation, its drive rod is quick by this
Drive the influence of the frictional resistance of Quick Release handle and can not quick rotation, therefore the operating time can not be saved；Relatively, if this is quick
Drive the compactness between the inner side of Quick Release handle and the drive rod inadequate, due to having no the limitation knot mutually pind down between the two
Structure, therefore, when user grips the fast driving Quick Release handle, the drive rod is axially downwardly slided readily along the hand-held tool
Move, highlight the defects of inconvenient for use.
Utility model content
The purpose of this utility model is to provide a kind of T-shaped instrument for having and helping unit, its mainly can quick rotation, with
Save the operating time.
The utility model another object is to provide a kind of T-shaped instrument for having and helping unit, and its main lift is using just
Profit.
Edge is, in order to reach object defined above, a kind of T-shaped instrument for having and helping unit is provided according to the utility model,
Comprising：One tool body, have an action bars and one connect the action bars drive rod, the drive rod have one driving the body of rod and
One drive head, the drive head are integrally formed in the driving body of rod, and the external diameter of the drive head is more than the bar of the driving body of rod
Footpath；At least one button arrived piece, it has a plurality of abutting parts and a plurality of kinks, connected between each abutting part by each kink
Connect, the inner edge of each abutting part is the pole face that the driving body of rod is contradicted in a manner of a contact；And one help unit, including one the
One component and one second component, the first assembly have a first noumenon, first perforation through the first noumenon and a shape
Into in the first joint portion of the first noumenon, there is second component one second body, one to be worn through the second of second body
Hole and second joint portion for being formed at second body, what first joint portion of the first assembly combined second component should
Second joint portion, so that first perforation and biperforate hole wall coat the part shaft of the driving body of rod, this first is worn
Hole and biperforate hole wall are arranged with least one first groove and at least one second groove respectively, first groove and this
Two grooves form a ring-shaped groove, and a plurality of kink parts of the button arrived piece are arranged in the ring-shaped groove.
It is preferred that wherein the button arrived piece is a polygon C clasps, the button arrived piece is that button is butted on the shaft of the driving body of rod simultaneously
It is arranged between the driving body of rod and the ring-shaped groove, so that first perforation and biperforate hole wall and the driving body of rod
It is set in distance.
It is preferred that wherein the first noumenon has two first composition surfaces, second body has two second composition surfaces, and this
One joint portion is arranged at first composition surface, second joint portion and is arranged at second composition surface, when first joint portion is incorporated into
During second joint portion, two first composition surface fits in two second composition surface respectively.
It is preferred that wherein two first composition surface is relatively concordant, two second composition surface is relatively concordant.
It is preferred that wherein the first noumenon and second body are a semicylinder, when the first assembly and this second group
When part is bonded to each other, the first noumenon and second body form a hollow circular cylinder.
It is preferred that wherein first joint portion has a plurality of hole clippings, second joint portion has a plurality of card columns, plural number
Individual hole clipping is recessed in two first composition surface, and a plurality of card columns are formed at two second composition surface, and each card column is to be snapped in each card
Hole.It is preferred that wherein each card column of second joint portion connects the insertion section with an insertion section for being set in each hole clipping and one
And fasten and extend out section in each hole clipping peritreme.
It is preferred that wherein first joint portion has a plurality of hole clippings, second joint portion has a plurality of card columns, each card
Post is to be snapped in each hole clipping.It is preferred that wherein each card column of second joint portion have one be set in each hole clipping insertion section and
One connection insertion section and fasten and extend out section in each hole clipping peritreme.
It is preferred that the driving body of rod of the wherein tool body is arranged with a positioning ring groove, the positioning ring groove supplies the button arrived piece
Each abutting part part house, and each abutting part be with the groove bottom of the positioning ring groove in point contact.
Accordingly, the utility model provides a kind of T-shaped instrument for having and helping unit, and it is mainly in the driving of tool body
Button arrived piece is provided between bar and the support unit, and the button arrived piece part is restricted in the ring-shaped groove of the support unit, portion
Divide the driving body of rod for propping up drive rod, and the button arrived piece contacts with the drive rod in point, uses and allows user to grip the support unit
And when rotating the tool body, frictional resistance is minimized, lifting rotates the speed of the tool body, reaches and saves the operating time
Purpose, and reduce any upper and lower displacement in axial direction of the support unit along the drive rod simultaneously, reach lifting ease of use
Purpose.
Brief description of the drawings
Fig. 1 is the stereogram of general T-shaped instrument.
Fig. 2 is the three-dimensional exploded view of the utility model first embodiment.
Fig. 3 is the three-dimensional combination figure of the utility model first embodiment.
Fig. 4 is Fig. 3 line segments 4-4 profile.
Fig. 5 is Fig. 3 line segments 5-5 profile.
Fig. 6 is Fig. 3 line segments 6-6 profile.
Fig. 7 is the profile of the utility model second embodiment.
Fig. 8 is the three-dimensional combination figure of the utility model 3rd embodiment.
Fig. 9 is the three-dimensional combination figure of the utility model fourth embodiment.
Sign flag explanation in accompanying drawing：
10 T-shaped instruments
11 action bars
12 drive rods
121 drive heads
20 tool bodies
21 action bars
22 drive rods
The 221 driving bodies of rod
221D bars footpath
222 drive heads
222D external diameters
223 positioning ring grooves
30 button arrived pieces
30 abutting parts
32 kinks
A points contact
40 first assemblies
41 the first noumenons
411 first composition surfaces
42 first perforation
421 first grooves
43 first joint portions
431 hole clippings
50 second components
51 second bodies
511 second composition surfaces
52 second perforation
521 second grooves
53 second joint portions
531 card columns
531A insertion sections
531B extends out section
900 ring-shaped grooves
Embodiment
Clear, complete description is carried out to the technical solution of the utility model below in conjunction with accompanying drawing, it is clear that described
Embodiment is part of the embodiment of the present utility model, rather than whole embodiments.Based on the embodiment in the utility model,
The every other embodiment that those of ordinary skill in the art are obtained on the premise of creative work is not made, belong to this
The scope of utility model protection.
Before proposing to describe in detail, it is noted that, in the following description, similar component is to be identically numbered
To represent.
Refering to a kind of T-shaped work with support unit that shown in Fig. 2 to Fig. 6, the utility model first embodiment is provided
Tool, it mainly helps unit to be formed by a tool body 20, one button arrived piece 30 and one, wherein：
The tool body 20, there is an action bars 21 and one connect the drive rod 22 of the action bars 21, the drive rod 22 has
The driving body of rod 221 and one for having the connection action bars 21 connects the drive head 222 of the driving body of rod 221, the drive head
222 are integrally formed in the driving body of rod 221, and the external diameter 222D of the drive head 222 is more than the bar footpath of the driving body of rod 221
221D；In the present embodiment, the drive rod 22 of the tool body 20 is the vertical connection action bars 21, and it is in T to make the tool body 20
Type shape.
The button arrived piece 30, it has four abutting parts 31 and three kinks 32, by each bending between each abutting part 31
Portion 32 connects, and the inner edge of each abutting part 31 is the pole face that the driving body of rod 221 is contradicted in a manner of a contact A；In the present embodiment,
The button arrived piece 30 is a polygon C clasps.
The support unit, including a first assembly 40 and one second component 50；Wherein the first assembly 40 has one first
First perforation 42 and first joint portion 43 that is formed at the first noumenon 41 of the body 41, one through the first noumenon 41, should
There is second component 50 one second body 51, one to be formed at second body through the second perforation 52 and one of second body 51
51 the second joint portion 53, first joint portion 43 of the first assembly 40 combine second joint portion of second component 50
53, so that the hole wall of first perforation 42 and second perforation 52 coats the part shaft of the driving body of rod 221, first perforation
42 are arranged with one first groove 421 and one second groove 521 respectively with the hole wall of second perforation 52, first groove 421 and
Second groove 521 forms a ring-shaped groove 900, and the part of a plurality of kinks 32 of the button arrived piece 30 is arranged at the ring-shaped groove
In 900, therefore, allow the button arrived piece 30 button to be butted on the shaft of the driving body of rod 221 and be arranged at the driving body of rod 211 and the annular
Between groove 900, so that the hole wall of first perforation 42 and second perforation 52 is set in distance with the driving body of rod 221.
In the present embodiment, the first noumenon 41 and second body 51 are a semicylinder, when the first assembly 40 and are somebody's turn to do
When second component 50 is bonded to each other, the first noumenon 41 and second body 51 form a hollow circular cylinder, the first noumenon 41
With more two first composition surfaces 411, and two first composition surface 411 is relatively concordant, and second body 51 is with more two the
Two composition surfaces 511, and two second composition surface 511 is relatively concordant, first joint portion 43 is arranged at first composition surface
411, second joint portion 53 is arranged at second composition surface 511, and in the present embodiment, first joint portion 43 has a plurality of
Hole clipping 431, second joint portion 53 have a plurality of card columns 531, and a plurality of hole clippings 431 are recessed in two first composition surface 511,
A plurality of card columns 531 are formed at two second composition surface 511, and each card column 531 is to be snapped in each hole clipping 431, when second combination
When each card column 531 in portion 53 is incorporated into each hole clipping 431 of second joint portion 43, two first composition surface 411 fits in respectively
Two second composition surface 511.Refering to shown in Fig. 2, Fig. 4, the card column 531 of each second joint portion 53 has one to be set in the hole clipping
The connection insertion section 531A of 431 insertion section 531A and one and fasten and extend out a section 531B in the peritreme of the hole clipping 431, make this
One component 40 and second component 50 can mutually be fixed integral or mutually separated.Certain second joint portion 53 also can be card
Hole, but be not limited, as long as second joint portion 53 mutually can fix or separate with first joint portion 43.Also
Be second joint portion 53 has a variety of applications changes with the snap fit of first joint portion 43 for general industry is known,
It is only in the present embodiment one of them with the combination aspect of hole clipping collocation card column, therefore, should not limits and be limited to the spy of the present embodiment
Stationary state sample.
Described above is the structure and its configuration explanation of each main member of the utility model first embodiment.Accordingly, originally
Utility model at least can reach following effects.
First, lifting ease of use, the driving body of rod 221 of drive rod 22 is propped up by the abutting part 31 of button arrived piece 30,
And be restricted to by the kink 32 of button arrived piece 30 in ring-shaped groove 900, user is gripped with standing manner (referring to Fig. 2) and helped
When holding unit, drive rod 22 by button arrived piece 30 because being supported without any slide downward, in addition, when user holds on the other hand
Unit is helped, during the other hand turn action bars 21, because the inner edge of abutting part 31 for detaining arrived piece 30 props up drive in a manner of a contact
Lever body 221, therefore drive the body of rod 221 when being driven hardly by the friction effects of button arrived piece 30, can it is smooth, promptly turn
It is dynamic, effectively save the operating time of user.
Secondly, assembling applicability it is high.Due to the support unit be by the first assembly 40 of two half-cylinders and this
Two components 50 involute, and both the first assembly 40 and second component 50 are to pass through the first knot in the kenel of hole clipping 431
Conjunction portion 43 in the second joint portion 53 of the kenel of card column 531 with being mutually clamped, therefore, the support unit in assembling can first by this
One component 40 and second component 50 are separated from each other, and are located at the both sides opening position of the driving body of rod 22 of the tool body 20, then
The first assembly 40 and second component 50 is close to each other, and it is located in a manner of combining buckle the driving of the tool body 20
On the body of rod 221, accordingly, the tool body 20 of the applicable various kenels of the support unit of the present utility model, it is particularly suitable for
The external diameter 222D of drive head 222 of drive rod 22 is more than the driving body of rod 221 bar footpath 221D tool body 20, without being limited to
The kenel of tool body 20.Certainly, the support unit of the present utility model before assembling can be first by the 30 advance clasp of button arrived piece
The tool body 20 the driving body of rod 22 be first plugged on the first groove 421 of the first assembly 40 or be first plugged on this
Second groove 521 of two components 50 can all be completed to assemble.
As shown in fig.7, a kind of T-shaped instrument with support unit that the utility model second embodiment is provided, its
Equally by tool body 20, button arrived piece 30 and unit is helped to be formed, it is with first embodiment difference：
The quantity of the kink 32 of the button arrived piece 30 is two, the quantity for the abutting part 31 being cross-linked with each kink 32
For three.Therefore, A condition is contacted and the shape that takes the shape of the letter U in three points between the button arrived piece 30 and the drive rod 22.And second embodiment
In the button arrived piece 30 kink 32 compared with the negligible amounts of kink 32 that arrived piece 30 is detained in first embodiment, therefore the button arrived piece 30
Processing cost it is significant lower, use and reach another implementation state.
As shown in fig.8, a kind of T-shaped instrument with support unit that the utility model 3rd embodiment is provided, its
Equally by tool body 20, button arrived piece 30 and unit is helped to be formed, it is with first embodiment difference：
The quantity of the ring-shaped groove 900 of the support unit is two, and the quantity of the button arrived piece 30 is two.Therefore, compare
In first embodiment, by ring-shaped groove 900 and the button arrived piece 30 of average setting, it is able to ensure the support unit and the instrument sheet
The drive rod 22 of body 20 is set in distance and is not in contact with each other completely, when user grips the support unit, the other hand turn on the other hand
During the action bars 21, the body of rod surface of the drive rod 22 is to be rotated completely with the two button arrived piece 30 with a way of contact conflict,
Therefore caused frictional resistance when can effectively reduce use, to save the operating time.
As shown in fig.9, a kind of T-shaped instrument with support unit that the utility model fourth embodiment is provided, its
Equally by tool body 20, button arrived piece 30 and unit is helped to be formed, it is with first embodiment difference：
The driving body of rod 221 of the tool body 20 is separately arranged with a positioning ring groove 223, and wherein the positioning ring groove 223 is for being somebody's turn to do
The part of each abutting part 31 of button arrived piece 30 houses, and each abutting part 31 is to contact A in point with the groove bottom of the positioning ring groove 223.
Accordingly, because each abutting part 31 of the button arrived piece 30 is limited in the positioning ring groove 223, and each kink 32 of the button arrived piece 30
Be restricted in the ring-shaped groove 900, it is thus ensured that the support unit relative to the drive rod 22 of the tool body 20 in axle
Upward position, that is, the T-shaped instrument, during operation, to hold the support unit on the other hand, and the other hand fast-turn construction should
During action bars 21, the support unit will not axially sliding along the drive rod 22 of the tool body 20 up and down.
In summary, the various embodiments described above and accompanying drawing are only preferred embodiment of the present utility model, not limiting
Determine the scope of protection of the utility model, it is all within the spirit and principles of the utility model, any modification for being made, equally replace
Change, improve, should all be included in the scope of protection of the utility model.
Claims (10)
1. a kind of have the T-shaped instrument for helping unit, it is characterised in that includes：
One tool body, have an action bars and one connect the action bars drive rod, the drive rod have one driving the body of rod and
One drive head, the drive head are integrally formed in the driving body of rod, and the external diameter of the drive head is more than the bar of the driving body of rod
Footpath；
At least one button arrived piece, it has a plurality of abutting parts and a plurality of kinks, connected between each abutting part by each kink
Connect, the inner edge of each abutting part is the pole face that the driving body of rod is contradicted in a manner of a contact；And
One helps unit, including a first assembly and one second component, the first assembly have a first noumenon, one through this
The first of one body is perforated and one is formed at the first joint portion of the first noumenon, and second component has one second body, one
The second perforation and one through second body are formed at the second joint portion of second body, first knot of the first assembly
Conjunction portion combines second joint portion of second component, so that first perforation and biperforate hole wall coat the drive rod
The part shaft of body, first perforation are arranged with least one first groove and at least one second respectively with biperforate hole wall
Groove, first groove and second groove form a ring-shaped groove, and a plurality of kink parts of the button arrived piece are arranged at this
In ring-shaped groove.
2. as claimed in claim 1 have the T-shaped instrument for helping unit, it is characterised in that the button arrived piece is detained for a polygon C
Ring, the button arrived piece is that button is butted on the shaft of the driving body of rod and is arranged between the driving body of rod and the ring-shaped groove, so that should
First perforation and biperforate hole wall are set in distance with the driving body of rod.
3. as claimed in claim 1 have the T-shaped instrument for helping unit, it is characterised in that the first noumenon has two first
Composition surface, second body have two second composition surfaces, and first joint portion is arranged at first composition surface, second joint portion
Second composition surface is arranged at, when first joint portion is incorporated into second joint portion, two first composition surface is bonded respectively
In two second composition surface.
4. as claimed in claim 3 have the T-shaped instrument for helping unit, it is characterised in that two first composition surface is mutually
To be concordant, two second composition surface is relatively concordant.
5. as claimed in claim 1 have the T-shaped instrument for helping unit, it is characterised in that the first noumenon and this second
Body is a semicylinder, and when the first assembly and second component are bonded to each other, the first noumenon and second body are formed
One hollow circular cylinder.
6. as claimed in claim 3 have the T-shaped instrument for helping unit, it is characterised in that first joint portion has plural number
Individual hole clipping, second joint portion have a plurality of card columns, and a plurality of hole clippings are recessed in two first composition surface, a plurality of card column shapes
Into being to be snapped in each hole clipping in two second composition surface, each card column.
7. as claimed in claim 1 have the T-shaped instrument for helping unit, it is characterised in that first joint portion has plural number
Individual hole clipping, second joint portion have a plurality of card columns, and each card column is to be snapped in each hole clipping.
8. as claimed in claim 6 have the T-shaped instrument for helping unit, it is characterised in that each card column of second joint portion
Connect the insertion section with an insertion section for being set in each hole clipping and one and fasten and extend out section in each hole clipping peritreme.
9. as claimed in claim 7 have the T-shaped instrument for helping unit, it is characterised in that each card column of second joint portion
Connect the insertion section with an insertion section for being set in each hole clipping and one and fasten and extend out section in each hole clipping peritreme.
10. as claimed in claim 1 have the T-shaped instrument for helping unit, it is characterised in that the driving body of rod of the tool body
A positioning ring groove is arranged with, the positioning ring groove houses for each abutting part part of the button arrived piece, and each abutting part is and the positioning
The groove bottom of annular groove contacts in point.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720242551.8U CN206732878U (en) | 2017-03-14 | 2017-03-14 | With the T-shaped instrument for helping unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720242551.8U CN206732878U (en) | 2017-03-14 | 2017-03-14 | With the T-shaped instrument for helping unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206732878U true CN206732878U (en) | 2017-12-12 |
Family
ID=60557616
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720242551.8U Expired - Fee Related CN206732878U (en) | 2017-03-14 | 2017-03-14 | With the T-shaped instrument for helping unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206732878U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109909923A (en) * | 2019-01-25 | 2019-06-21 | 国网福建省电力有限公司三明供电公司 | Power circuit bolt clamp device |
-
2017
- 2017-03-14 CN CN201720242551.8U patent/CN206732878U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109909923A (en) * | 2019-01-25 | 2019-06-21 | 国网福建省电力有限公司三明供电公司 | Power circuit bolt clamp device |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171212 Termination date: 20210314 |
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| CF01 | Termination of patent right due to non-payment of annual fee |