CN207127360U - A kind of chuck - Google Patents
A kind of chuck Download PDFInfo
- Publication number
- CN207127360U CN207127360U CN201721210281.9U CN201721210281U CN207127360U CN 207127360 U CN207127360 U CN 207127360U CN 201721210281 U CN201721210281 U CN 201721210281U CN 207127360 U CN207127360 U CN 207127360U
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- China
- Prior art keywords
- sliding block
- regulating bolt
- chuck
- access division
- hole
- 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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- 230000001105 regulatory effect Effects 0.000 claims abstract description 55
- 230000007704 transition Effects 0.000 claims description 22
- 238000010079 rubber tapping Methods 0.000 description 8
- 230000008859 change Effects 0.000 description 5
- 238000009434 installation Methods 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 238000013475 authorization Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
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- Gripping Jigs, Holding Jigs, And Positioning Jigs (AREA)
Abstract
The utility model provides a kind of chuck, belongs to stationary fixture field.It solves the problems, such as that existing grips scope is small.A kind of this chuck includes intermediate, regulating bolt and a pair of cover plates, there is mounting hole running through and in polygon in intermediate, several sliding blocks are provided with mounting hole, a clamp port is surrounded between several sliding blocks, the inclined-plane being obliquely installed is respectively provided with sliding block, one of sliding block in several sliding blocks is designated as the first sliding block, there is neck on first sliding block, also there is screwed hole in intermediate, screwed hole is connected with mounting hole, regulating bolt is located in screwed hole, the inner of regulating bolt has along the Access Division of regulating bolt radially outwardly projecting, wedging position makes regulating bolt and the first sliding block phase clamping in neck, a pair of cover plates are respectively fixedly connected in the both sides of intermediate, there is the through hole run through in cover plate, through hole and clamp port are correspondingly arranged.This chuck has the advantages of clamping range is big.
Description
Technical field
The utility model belongs to stationary fixture technical field, is related to a kind of chuck, more particularly to a kind of tap chuck.
Background technology
In turning class part, the internal thread of large aperture can be come out using internal screw cutting tool turnery processing, spiral shell in small-bore
Line is difficult to use internal screw cutting tool and carries out turnery processing, mainly after the completion of turning, drills out thread Pilot hole, is then entered using tap wrench
The manual tapping of row.Low according to traditional processing method tapping operating efficiency, the screw thread and the workpiece error of perpendicularity of tapping are larger, attack
Yarn quality is low.
For the problem present on, people are made that miscellaneous improvement, and some has also declared patent, such as China
Patent document data discloses a kind of lathe tapping knife bar [application number：201220217549.2；Authorization Notice No.：
CN202655744U], it includes screw tap, drill chuck, chuck handle, chuck pedestal, sliding guide rod and knife bar seat, chuck handle front end and stretched
No. 2 taper shanks of Mohs are machined with for base of the carrier head body portion；Drill chuck rear end face is provided with the groove coordinated with No. 2 taper shanks of Mohs；
Drill chuck and chuck handle are interference fit；Screw tap is installed on drill chuck front end；Screw tap, chuck handle, chuck pedestal, sliding guide rod and
Knife bar seat axle center is on same straight line.
The lathe of this kind of structure tapping knife bar, operating efficiency is high, ensures form and position tolerance；But the lathe of this kind of structure is used
Tapping knife bar, the size of the interior clamp port for being used to clamp screw tap of drill chuck is unalterable, i.e. the size of clamp port is certain
, the drill chuck of this kind of structure can only clamp the screw tap of particular size, and the scope of drill chuck clamping is small, causes the car of this kind of structure
Bed is small with the tapping knife bar range of work.
The content of the invention
The purpose of this utility model is to be directed to the above-mentioned problems in the prior art, it is proposed that a kind of chuck, solution
Technical problem is how to improve the clamping range of chuck.
The purpose of this utility model can be realized by following technical proposal：A kind of chuck, including intermediate, its feature exist
In in addition to regulating bolt and a pair of cover plates, there is mounting hole running through and in polygon, the installation in the intermediate
Several sliding blocks are provided with hole, a clamp port is surrounded between several sliding blocks, the side of the sliding block abuts in corresponding peace
In the side wall for filling hole, the inclined-plane being obliquely installed is respectively provided with the sliding block, the inclined-plane of adjacent two sliding blocks fits, several
One of sliding block in sliding block is designated as the first sliding block, has neck on first sliding block, also has spiral shell in the intermediate
Pit, the screwed hole are connected with mounting hole, and the regulating bolt is located in screwed hole, the inner tool of the regulating bolt
Have along the Access Division of regulating bolt radially outwardly projecting, the wedging position makes the regulating bolt and the first sliding block in neck
Phase clamping, a pair of cover plates, which are respectively fixedly connected in the both sides of intermediate, the cover plate, has the through hole that runs through, the through hole and
Clamp port is correspondingly arranged.
The operation principle of chuck：By rotating regulating bolt, the first sliding block can be promoted to move, the movement of the first sliding block can band
Move remaining sliding block and form linkage so as to change the size of clamp port, this chuck is clamped different size of screw tap, improve
The clamping range of chuck.Cover plate makes sliding block not come off from mounting hole, and the through hole in one of cover plate is for screw tap by separately
Through hole in one cover plate is connected for the insertion of chuck handle；The Access Division of regulating bolt, which is embedded into neck, makes regulating bolt and first
Sliding block phase clamping, by rotating regulating bolt, the first sliding block can be driven to move, and the side of sliding block abuts in corresponding installation
In the side wall in hole, the inclined-plane of adjacent two sliding blocks fits, and the movement of the first sliding block drives adjacent sliding block to be linked along inclined-plane,
So as to change the size of clamp port, the size convenience of clamp port is adjusted, and rotating regulating bolt can make sliding block enter screw tap
Row extruding is fixed, and fixed firmness is high, and the screw tap that is connected is convenient.
In a kind of above-mentioned chuck, the neck is located at the first sliding block and passed through close to one end of regulating bolt, the neck
The first sliding block is worn, the top of the neck madial wall has a pair of inwardly projecting card articles, and the Access Division can be resisted against card article
On make the regulating bolt and the first sliding block phase clamping.During installation, first the Access Division of regulating bolt is extend into mounting hole, so
Access Division is embedded into neck against regulating bolt one end of neck afterwards, then promote the first sliding block, make the straight of the first sliding block
The arm of angle is resisted against in the side wall of mounting hole, now wedging position is in neck and Access Division can be resisted against on card article, make regulation
Bolt and the first sliding block phase clamping, it is easy for installation.
In a kind of above-mentioned chuck, another sliding block in several sliding blocks is designated as the second sliding block, second sliding block
There is embedded groove close to one end of regulating bolt, the part regulating bolt can be embedded into embedded groove.Sliding block is in mounting hole
It can move, the setting of embedded groove makes the second sliding block mutually not blocked with regulating bolt, so that sliding block movement is smooth, folder
The size for holding mouth can adjust, and improve the clamping range of this chuck, and improve the firmness of grips.
In a kind of above-mentioned chuck, the regulating bolt also includes head, bar portion and transition part, and the head passes through bar
Portion, transition part are connected with Access Division, and the head, bar portion, transition part and Access Division are integral type structure, the outside of the bar portion
There is external screw thread, the lateral wall of the transition part is smooth, and along the radial direction of bar portion, the external diameter of the Access Division is more than transition part on wall
External diameter, the external diameter of the Access Division is less than externally threaded big footpath.Bar portion is threadedly coupled with intermediate, and the external diameter of Access Division is more than
The external diameter of transition part, Access Division is embedded into neck and enable Access Division and the mutual clamping of card article, the external diameter of Access Division
Less than externally threaded big footpath, Access Division is set to pass through screwed hole.
In a kind of above-mentioned chuck, the one end of the Access Division away from transition part is hemispherical, the bottom of the neck
Curved, when wedging position is in neck, the lateral wall of the Access Division and the madial wall gap of neck coordinate.This kind is tied
Structure, make the contact area between Access Division and the first sliding block big, coordinate closely, regulating bolt can preferably drive the first sliding block
It is mobile, improve the stability of chuck and the firmness of chuck.
In a kind of above-mentioned chuck, there is plane on the lateral wall of the intermediate, the plane and regulating bolt
Fit heads.The head of regulating bolt can be reasonable in design against in the plane.
In a kind of above-mentioned chuck, the through hole is rounded, and the diameter of the through hole is more than the internal diameter of clamp port.Through hole
The insertion of screw tap will not be hindered, improves the clamping range of this chuck.
In a kind of above-mentioned chuck, the thickness of the cover plate is 1-2cm.The thickness of cover plate is thicker, improves the peace of sliding block
Stability is filled, and the firmness for making this chuck be connected with chuck handle is high.
The fixing hole that there are several to run through in a kind of above-mentioned chuck, in the intermediate, is passed through by fastener
Cover plate and being located in fixing hole makes cover plate be fixedly connected with intermediate.It is connected by fastener, connected firmness is high.
In a kind of above-mentioned chuck, the quantity of the sliding block is four, respectively the first sliding block, the second sliding block, the 3rd
Sliding block and Four-slider, the cross section of the mounting hole is square, first sliding block, the second sliding block, the 3rd sliding block and
The cross section of Four-slider is right angle quadrangle, first sliding block, the second sliding block, the right-angle side of the 3rd sliding block and Four-slider
It can abut in two side walls adjacent corresponding to mounting hole, first sliding block, the second sliding block, the 3rd sliding block and the 4th are slided
The clamp port surrounded between block is square.The tail end of screw tap is typically square, and the quantity of the sliding block in this chuck is just four,
Match with screw tap, this chuck is mainly used in clamping screw tap.
Compared with prior art, chuck provided by the utility model has advantages below：
1st, this chuck makes the position of sliding block change, so as to change the size of clamp port, made by rotating regulating bolt
This chuck can clamp different size of screw tap, and clamping range is wide, and can change the big of clamp port by rotating regulating bolt
Small and clamping workpiece, easy to operate, the firmness of clamping is high.
2nd, the inner of this chuck regulating bolt has Access Division, has neck, Access Division and neck gap on the first sliding block
It is equipped with, enables the band movable slider movement that regulating bolt is more stable, improves the stability of this chuck and clamp firm
Degree.
Brief description of the drawings
Fig. 1 is the sectional view of this chuck.
Fig. 2 is the side view of this chuck.
Fig. 3 is the state diagram one of this chuck.
Fig. 4 is the state diagram two of this chuck.
Fig. 5 is the structural representation of this chuck regulating bolt.
Fig. 6 is the structural representation of the sliding block of this chuck first.
Fig. 7 is the structural representation of the sliding block of this chuck second.
In figure, 1, intermediate；2nd, regulating bolt；21st, Access Division；22nd, head；23rd, bar portion；24th, transition part；3rd, cover plate；
4th, mounting hole；5th, sliding block；51st, the first sliding block；52nd, the second sliding block；53rd, the 3rd sliding block；54th, Four-slider；6th, clamp port；7th, block
Groove；8th, screwed hole；9th, through hole；10th, card article；11st, embedded groove；12nd, plane；13rd, fixing hole；14th, fastener.
Embodiment
It is specific embodiment of the utility model and with reference to accompanying drawing below, the technical solution of the utility model is made further
Description, but the utility model is not limited to these embodiments.
As shown in Figure 1, Figure 2, Figure 3, Figure 4, this chuck includes intermediate 1, regulating bolt 2, a pair of cover plates 3 and sliding block 5.This
In embodiment, there are four fixing holes 13 run through in intermediate 1, there can be six in actual production, in intermediate 1 passes through
The fixing hole 13 worn, passing through cover plate 3 by such as bolt of fastener 14 and be located in fixing hole 13 makes cover plate 3 and the phase of intermediate 1
It is connected, a pair of cover plates 3 are respectively fixedly connected has the through hole 9 run through in the both sides of intermediate 1, cover plate 3, and through hole 9 is rounded, this reality
Apply in example, the thickness of cover plate 3 is 1.5cm, and in actual production, the thickness of cover plate 3 can be 1cm or 2cm.
There is mounting hole 4 running through and in square in the present embodiment, in intermediate 1, four are provided with mounting hole 4
Sliding block 5, respectively the first sliding block 51, the second sliding block 52, the 3rd sliding block 53 and Four-slider 54, the first sliding block 51, the second sliding block
52nd, the 3rd sliding block 53 and Four-slider 54 arrange counterclockwise, the first sliding block 51, the second sliding block 52, the and of the 3rd sliding block 53
The cross section of Four-slider 54 is right angle quadrangle, the first sliding block 51, the second sliding block 52, the 3rd sliding block 53 and Four-slider 54
Right-angle side can abut in two side walls adjacent corresponding to mounting hole 4, the side of sliding block 5 abuts in corresponding mounting hole
In 4 side wall, the quantity of sliding block 5 is identical with the quantity of the side wall of mounting hole 4, and in actual production, the cross section of mounting hole 4 can be with
In equilateral triangle or regular hexagon, three sliding blocks 5 or six sliding blocks 5 can be provided with mounting hole 4.It is respectively provided with sliding block 5
The inclined-plane being obliquely installed, the inclined-plane of adjacent two sliding blocks 5 fit, i.e., the inclined-plane of the first sliding block 51 and the second sliding block 52 is oblique
Face fits, and the inclined-plane on the inclined-plane and the 3rd sliding block 53 of the second sliding block 52 fits, the inclined-plane and Four-slider of the 3rd sliding block 53
54 inclined-plane fits, and the inclined-plane on the inclined-plane of Four-slider 54 and the first sliding block 51 fits, the first sliding block 51, the second sliding block
52nd, a clamp port being square 6 is surrounded between the 3rd sliding block 53 and Four-slider 54.Clamp port 6 and through hole 9 are coaxially disposed,
The diameter of through hole 9 is more than the internal diameter of clamp port 6.
There is screwed hole 8 in intermediate 1, screwed hole 8 is connected with mounting hole 4, and regulating bolt 2 is located in screwed hole 8,
There is plane 12, the head 22 of plane 12 and regulating bolt 2 matches on the lateral wall of intermediate 1.As shown in figure 5, regulation spiral shell
Bolt 2 includes head 22, bar portion 23, transition part 24 and Access Division 21, and head 22 passes through bar portion 23, transition part 24 and the phase of Access Division 21
Even, head 22, bar portion 23, transition part 24 and Access Division 21 are integral type structure, have external screw thread, mistake on the lateral wall of bar portion 23
It is smooth to cross the lateral wall in portion 24, Access Division 21 is along the radially outwardly projecting of regulating bolt 2, along the radial direction of bar portion 23, Access Division 21
External diameter is more than the external diameter of transition part 24, and the external diameter of Access Division 21 is less than externally threaded big footpath, and Access Division 21 is away from transition part 24
One end is hemispherical, and in the present embodiment, head 22 is interior hexagonal structure, and in actual production, head 22 can be outer-hexagonal knot
Structure.
As shown in fig. 6, having neck 7 on the first sliding block 51, neck 7 is located at the first sliding block 51 close to the one of regulating bolt 2
End, neck 7 run through the first sliding block 51, and the top of the madial wall of neck 7 has a pair of inwardly projecting card articles 10, the bottom of neck 7
Curved, Access Division 21 is embedded into neck 7, and Access Division 21 can be resisted against on card article 10, lateral wall and the neck 7 of Access Division 21
Madial wall gap coordinate.As shown in fig. 7, the second sliding block 52 has embedded groove 11 close to one end of regulating bolt 2, part is adjusted
Bolt 2 can be embedded into embedded groove 11.
During assembling, first by rotating adjusting nut, adjusting nut is set to be located in screwed hole 8, the transition part 24 of adjusting nut
It is located at Access Division 21 in mounting hole 4, then the first sliding block 51 is placed into mounting hole 4, and the first sliding block 51 is positioned at regulation
The left end of nut, by neck 7 against transition part 24 and Access Division 21, the first sliding block 51 is moved in parallel, extend into Access Division 21
In neck 7, now Access Division 21 and the phase clamping of card article 10, so that the first sliding block 51 and the phase clamping of regulating bolt 2, continue parallel
Mobile first sliding block 51 is resisted against in the side wall of mounting hole 4 until a right-angle side of the first sliding block 51, and then installation is counterclockwise
Order, be sequentially placed into the second sliding block 52, the 3rd sliding block 53 and the second sliding block 52, then by fastener 14 by cover plate 3 with
Intermediate 1 is fixedly connected with.
During fixed screw tap, first rotate counterclockwise regulating bolt 2, regulating bolt 2 pulls the first sliding block 51 to move up, and first
Sliding block 51 promotes the second sliding block 52 to be moved to the left, and the second sliding block 52 promotes the 3rd sliding block 53 to move down, and the 3rd sliding block 53 promotes
4th slip is moved right, so that clamp port 6, which opens, becomes big, the tail end of screw tap is inserted into clamp port 6, then dextrorotation
Turning regulating bolt 2, regulating bolt 2 promotes the first sliding block 51 to move down, and the first sliding block 51 promotes Four-slider 54 to be moved to the left,
Four-slider 54 promotes the 3rd sliding block 53 to move up, and the 3rd sliding block 53 promotes second to slide and moved right, part regulating bolt 2
Be embedded into embedded groove 11, until the first sliding block 51, the second sliding block 52, the 3rd sliding block 53 and Four-slider 54 clamp screw tap, so
Afterwards tapping is carried out using screw tap.
Specific embodiment described herein is only to the utility model spirit explanation for example.The utility model institute
Category those skilled in the art can make various modifications or supplement to described specific embodiment or using similar
Mode substitute, but without departing from spirit of the present utility model or surmount scope defined in appended claims.
Although intermediate 1, regulating bolt 2, Access Division 21, head 22, bar portion 23, transition part have more been used herein
24th, cover plate 3, mounting hole 4, sliding block 5, the first sliding block 51, the second sliding block 52, the 3rd sliding block 53, Four-slider 54, clamp port 6, card
The terms such as groove 7, screwed hole 8, through hole 9, card article 10, embedded groove 11, plane 12, fixing hole 13, fastener 14, but be not precluded from making
With the possibility of other terms.It is used for the purpose of more easily describing and explaining essence of the present utility model using these terms；
Any additional limitation is construed as all to disagree with the utility model spirit.
Claims (10)
1. a kind of chuck, including intermediate (1), it is characterised in that also including regulating bolt (2) and a pair of cover plates (3), in described
There is mounting hole (4) running through and in polygon in mesosome (1), several sliding blocks (5) are provided with the mounting hole (4), if
A clamp port (6) is surrounded between dry sliding block (5), the side of the sliding block (5) abuts in the side wall of corresponding mounting hole (4)
On, the inclined-plane being obliquely installed is respectively provided with the sliding block (5), the inclined-plane of adjacent two sliding blocks (5) fits, several sliding blocks
(5) one of sliding block (5) in is designated as the first sliding block (51), has neck (7), the centre on first sliding block (51)
Also there is screwed hole (8), the screwed hole (8) is connected with mounting hole (4), and the regulating bolt (2) is located in spiral shell in body (1)
In pit (8), the inner of the regulating bolt (2) has along the Access Division (21) of regulating bolt (2) radially outwardly projecting, described
Access Division (21), which is located in neck (7), makes the regulating bolt (2) and the first sliding block (51) phase clamping, a pair of cover plates (3)
Be respectively fixedly connected has the through hole (9) run through, the through hole (9) and clamp port in the both sides of intermediate (1), the cover plate (3)
(6) it is correspondingly arranged.
2. a kind of chuck according to claim 1, it is characterised in that it is close that the neck (7) is located at the first sliding block (51)
One end of regulating bolt (2), the neck (7) run through the first sliding block (51), and the top of neck (7) madial wall has a pair
Inwardly projecting card article (10), the Access Division (21), which can be resisted against on card article (10), slides the regulating bolt (2) and first
Block (51) phase clamping.
A kind of 3. chuck according to claim 1, it is characterised in that another sliding block (5) note in several sliding blocks (5)
For the second sliding block (52), second sliding block (52) has embedded groove (11), the part tune close to one end of regulating bolt (2)
Section bolt (2) can be embedded into embedded groove (11).
4. according to a kind of chuck described in claim 1 or 2 or 3, it is characterised in that the regulating bolt (2) also includes head
(22), bar portion (23) and transition part (24), the head (22) pass through bar portion (23), transition part (24) and Access Division (21) phase
Even, the head (22), bar portion (23), transition part (24) and Access Division (21) are integral type structure, the bar portion (23) outside
There is external screw thread in side wall, the lateral wall of the transition part (24) is smooth, along the radial direction of bar portion (23), the Access Division (21)
External diameter is more than the external diameter of transition part (24), and the external diameter of the Access Division (21) is less than externally threaded big footpath.
A kind of 5. chuck according to claim 4, it is characterised in that the one of the remote transition part (24) of the Access Division (21)
To hold hemispherical, the bottom of the neck (7) is curved, when Access Division (21) are located in neck (7), the Access Division (21)
The madial wall gap of lateral wall and neck (7) coordinate.
6. a kind of chuck according to claim 4, it is characterised in that there is plane on the lateral wall of the intermediate (1)
(12), the plane (12) and the head (22) of regulating bolt (2) match.
7. according to a kind of chuck described in claim 1 or 2 or 3, it is characterised in that the through hole (9) is rounded, the through hole
(9) diameter is more than the internal diameter of clamp port (6).
8. according to a kind of chuck described in claim 1 or 2 or 3, it is characterised in that the thickness of the cover plate (3) is 1-2cm.
9. according to a kind of chuck described in claim 1 or 2 or 3, it is characterised in that there are several in the intermediate (1)
The fixing hole (13) run through, passing through cover plate (3) by fastener (14) and be located in fixing hole (13) makes cover plate (3) and centre
Body (1) is fixedly connected with.
10. according to a kind of chuck described in claim 1 or 2 or 3, it is characterised in that the quantity of the sliding block (5) is four,
Respectively the first sliding block (51), the second sliding block (52), the 3rd sliding block (53) and Four-slider (54), the horizontal stroke of the mounting hole (4)
Section is square, first sliding block (51), the second sliding block (52), the cross section of the 3rd sliding block (53) and Four-slider (54)
It is right angle quadrangle, first sliding block (51), the second sliding block (52), the right angle of the 3rd sliding block (53) and Four-slider (54)
Bian Junneng is abutted in two side walls adjacent corresponding to mounting hole (4), first sliding block (51), the second sliding block (52),
The clamp port (6) surrounded between three sliding blocks (53) and Four-slider (54) is square.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721210281.9U CN207127360U (en) | 2017-09-19 | 2017-09-19 | A kind of chuck |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721210281.9U CN207127360U (en) | 2017-09-19 | 2017-09-19 | A kind of chuck |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207127360U true CN207127360U (en) | 2018-03-23 |
Family
ID=61638968
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721210281.9U Expired - Fee Related CN207127360U (en) | 2017-09-19 | 2017-09-19 | A kind of chuck |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207127360U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107414215A (en) * | 2017-09-19 | 2017-12-01 | 台州职业技术学院 | A kind of chuck |
-
2017
- 2017-09-19 CN CN201721210281.9U patent/CN207127360U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107414215A (en) * | 2017-09-19 | 2017-12-01 | 台州职业技术学院 | A kind of chuck |
| CN107414215B (en) * | 2017-09-19 | 2023-09-12 | 台州职业技术学院 | Clamping head |
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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: 20180323 |