CN106938580A - Cut the penknife structure and penknife of sketch pencil - Google Patents
Cut the penknife structure and penknife of sketch pencil Download PDFInfo
- Publication number
- CN106938580A CN106938580A CN201710220868.6A CN201710220868A CN106938580A CN 106938580 A CN106938580 A CN 106938580A CN 201710220868 A CN201710220868 A CN 201710220868A CN 106938580 A CN106938580 A CN 106938580A
- Authority
- CN
- China
- Prior art keywords
- body portion
- hob assembly
- passage
- sketch pencil
- penknife
- 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.)
- Pending
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
- B43L—ARTICLES FOR WRITING OR DRAWING UPON; WRITING OR DRAWING AIDS; ACCESSORIES FOR WRITING OR DRAWING
- B43L23/00—Sharpeners for pencils or leads
- B43L23/008—Sharpeners for pencils or leads with rotating cutting bodies
Landscapes
- Drawing Aids And Blackboards (AREA)
Abstract
The invention discloses the penknife structure of cutting sketch pencil, including knife rest, rotaring wheeling base and hob assembly, hob assembly is arranged on knife rest, the gear of hob assembly one end is engaged with the internal gear on rotaring wheeling base, it is provided with knife rest and inserts a passage, the central axis of hob assembly is in an angle with inserting the central axis of a passage, hob assembly includes the operator body portion that the woody part only to sketch pencil is cut, its advantage is inserted into a passage when sketch pencil, hob assembly is rotated, the operator body portion of hob assembly is cut the woody part of sketch pencil, cut out wooden tapered portion；The carbon core segment of sketch pencil can not be cut, can also be with the propulsion of sketch pencil, the residual of auxiliary body portion (tapered portion) the cutting carbon wicking surface adhesion of hob assembly is wooden, or coaxial micro cutting is only made to carbon core segment simultaneously, to ensure the purity of carbon core and maintain the original cylindrical shape of carbon core.
Description
Technical field
The present invention relates to a kind of penknife of special cutting sketch pencil, more particularly to a kind of special cutting sketch pencil
Penknife structure and penknife.
Background technology
Because penknife can safely and quickly sharpen a pencil, penknife has become the indispensable instrument of student's writing study.In
The utility model patent of state's Patent No. 201220568356.1 is disclosed in sketch pencil special penknife, pencil-knife body
Portion is provided with taper type and cuts a chamber, and the side of pencil-knife body offers pencil insert port, and pencil insert port cuts pen with taper type
Chamber is connected, and the end that taper platform cuts a chamber is provided through the nib punched out of pencil-knife body another side, and nib is passed
The diameter in hole is identical with the diameter of pencil-lead, and the outer wall that taper type cuts a chamber is provided with peace in opening, opening in the axial direction
Equipped with blade, the pen core length that the penknife is cut out can reach 3 centimetres to 6 centimetres, meet the requirement of Art Sketch pencil.
Current penknife includes box body, pencil holding mechanism and penknife structure, and penknife structure includes rocking arm, rotaring wheeling base, knife rest
And hob assembly, knife rest is by rotaring wheeling base on box body, and hob assembly is arranged on knife rest by pivot pin, and hob assembly is led to
Cross a gear to engage with the internal gear on rotaring wheeling base, rocking arm band movable knife rack and hob assembly are rotated together, while hob assembly is logical
Cross gear engagement system and make spinning motion.The tapered shape of pencil carbon core that traditional penknife is cut；Also penknife cuts
The nib thickness for cutting out pencil is adjustable, and the carbon core of the pencil is still cone-shaped, to meet student as the various of writing implement
Purposes.And the carbon core of sketch pencil requires length, typically to retain 30 millimeters, and carbon core need to be in original cylindrical type, pass
The penknife of system can not cut the carbon core requirement of sketch pencil, and the carbon core diameter cut out is also uneven.
The content of the invention
The technical problems to be solved by the invention are to provide a kind of penknife structure and penknife for cutting sketch pencil, pass through
The structure for changing hob assembly realizes that the woody part only to sketch pencil is cut, and carbon core is not handled or slightly
It is micro- that carbon core is repaired, meet the carbon core requirement of sketch pencil.
The present invention solve the technical scheme that is used of above-mentioned technical problem for：The penknife structure of sketch pencil is cut, including
Knife rest, rotaring wheeling base and hob assembly, described hob assembly are arranged on described knife rest, the tooth of described hob assembly one end
Wheel is engaged with the internal gear on rotaring wheeling base, is provided with a slotting passage on described knife rest, the central axis of described hob assembly
It is in an angle with inserting the central axis of a passage, it is characterised in that the woody part that hob assembly includes only to sketch pencil is carried out
The operator body portion of cutting.
Further preferred scheme is the present invention：Described hob assembly also includes integrally formed auxiliary with operator body portion
Body portion is helped, the auxiliary body portion of described hob assembly is in the taper type that diameter is tapered into back to front, and is aided in
The central axis of line of cut and a slotting passage on body portion close to a slotting passage is substantially parallel.
Further preferred scheme is the present invention：Described hob assembly also include be located at operator body portion on front side of with institute
The auxiliary sleeve that the operator body portion stated is coaxially disposed.
Further preferred scheme is the present invention：Described aids in the close line of cut for inserting a passage of body portion to slotting pen
The distance of the central axis of passage is equal to or slightly less than the radius of the carbon core of sketch pencil.
Further preferred scheme is the present invention：Knife rest includes in first end and the second end, described rotaring wheeling base
The heart is provided with through hole, and described first end is placed in described through hole, and described the second end is provided with inserting a passage
The carbon core passage of connection, described first end, which is provided with, inserts an entrance.
Further preferred scheme is the present invention：Be provided with described the second end alignment carbon core passage be used for release
The fast button push of disconnected core.
Further preferred scheme is the present invention：Described the second end is provided with the rocking arm of driving blade holder turns.
Further preferred scheme is the present invention：Described hob assembly is arranged on described knife rest by pivot pin.
Further preferred scheme is the present invention：The central axis for arriving a slotting passage foremost of described operator body portion
Distance be equal or slightly larger than sketch pencil carbon core radius.
Further preferred scheme is the present invention：Blade knot is distributed at least posterior region of described auxiliary body portion
Structure.
Cut the penknife of sketch pencil, including penknife structure as mentioned.
Compared with prior art, advantages of the present invention is inserted into a passage when sketch pencil, and hob assembly is rotated, rolling
The operator body portion of knife assembly is cut the woody part of sketch pencil, cuts out wooden tapered portion；Can not be to sketch lead
The carbon core segment of pen is cut, can also be with the propulsion of sketch pencil, auxiliary body portion (the taper portion of hob assembly
Point) residual of cutting carbon wicking surface adhesion is wooden, or coaxial micro cutting, main purpose are only made to carbon core segment simultaneously
It is wooden, original with carbon core is maintained to ensure the purity of the carbon core cylindrical shape of the residual of cutting carbon wicking surface adhesion.
Brief description of the drawings
Fig. 1 is the stereogram (one) of traditional penknife structure；
Fig. 2 is the stereogram (two) of traditional penknife structure；
Fig. 3 is the exploded view of the penknife structure of embodiments of the invention one；
Fig. 4 is the stereogram of the penknife structure of embodiments of the invention one；
Fig. 5 is the side view of the penknife structure of embodiments of the invention one；
Fig. 6 is the sectional view of the penknife structure of embodiments of the invention one；
Fig. 7 is the sketch pencil schematic diagram obtained after being cut with the penknife of the present invention；
Fig. 8 is enlarged drawing at the A in Fig. 7；
Fig. 9 is the structure chart for being provided with fast button push of the invention；
Figure 10 is the stereogram of the penknife structure of embodiments of the invention two；
Figure 11 is the side view of the penknife structure of embodiments of the invention two；
Figure 12 is the sectional view of the penknife structure of embodiments of the invention two；
Figure 13 is the exploded view of the hob assembly of embodiments of the invention two.
Embodiment
The present invention is described in further detail below in conjunction with accompanying drawing embodiment.
Embodiment one：As shown in figures 3 to 6, the penknife structure of sketch pencil, including knife rest 1, rotaring wheeling base 2 and hobboing cutter are cut
Component 3, hob assembly 3 is arranged on knife rest 1, and the gear 4 of the one end of hob assembly 3 is engaged with the internal gear 5 on rotaring wheeling base 2, knife
It is provided with frame 1 and inserts a passage 6, the central axis 31 of hob assembly 3 is in an angle a, rolling with inserting the central axis 61 of a passage 6
Knife assembly 3 includes the auxiliary body portion 32 being wholely set and operator body portion 33, and operator body portion 33 is in cylindrical type and is used for
The woody part of sketch pencil 7 is cut, auxiliary body portion 32 aids in knife in the taper type that diameter is tapered into back to front
The central axis 61 of line of cut 321 and a slotting passage 6 on body portion 32 close to a slotting passage 6 is substantially parallel.As shown in figure 5,
Taper size of the angle a size according to needed for pencil cutting woody part is determined.Aid in the line of cut 321 of body portion 32
Central axis 61 with a slotting passage 6 is substantially parallel so that pencil cutting carbon core is in cylindrical type, and the carbon core for meeting sketch pencil will
Ask.
Aid in the close line of cut 321 for inserting a passage 6 of body portion 32 to the central axis 61 for inserting a passage 6 apart from R1
Equal to or slightly less than the radius R2 of the carbon core 71 of sketch pencil 7, as shown in fig. 7, when equal with both radius R2 apart from RI, rolling
Knife assembly 3 is not cut the carbon core 71 of sketch pencil 7, and the operator body portion 33 of hob assembly 3 is wooden to the 7 of sketch pencil
Part is all machined away.When being slightly less than radius R2 apart from RI, the auxiliary body portion 32 of hob assembly 3 is residual to sketch pencil 7
The woody part stayed is cut, or auxiliary body portion 32 is slightly cut the carbon core 71 of sketch pencil 7, and makes element
The carbon core 71 for retouching pencil 7 is in original cylindrical type.
Knife rest 1 includes first end 11 and the second end 12, and rotaring wheeling base 2 is provided centrally with through hole 21, first end 11
It is placed in through hole 21, the second end 12 is provided with inserting the carbon core passage 62 that a passage 6 is connected, and first end 11 is provided with slotting
Entrance 111.Sketch pencil 7 to be cut is inserted from the direction of rotaring wheeling base 2, that is, inserted at an entrance 111 from being inserted.Sketch pencil
Cut the carbon core come to extend into the carbon core passage of knife rest the second end so that carbon core can extend to more than 30 millimeters, and
It will not be stopped.
The fast button push 10 for being used to release disconnected core of alignment carbon core passage 62 is provided with the second end 12.When sketch pencil
The fracture of carbon core when, press inward against fast button push 10, it is possible to release disconnected core out of carbon core passage 62.Therefore disconnected core will not fall
Fall in rotaring wheeling base, back-moving spring 101 is provided between fast button push 10 and knife rest 1, in not outer active force pressing, reset
Spring recovers to original position.
The second end 12 is provided with the rocking arm 9 that driving knife rest 1 is rotated.In the working angles of sketch pencil, when longer
After carbon core is broken because of accidental cause, the carbon core of fracture can inwardly be released from the carbon core passage 62 of the second end by shifting block,
And carbon core 71 can drop from knife rest, continue to cut.If as in the prior art, rocking arm is installed on into rotaring wheeling base side, i.e., the
An end portion, then sketch pencil need inserted from the second end 12, as depicted in figs. 1 and 2, when carbon core 71 because accidental cause be broken
Afterwards, longer and relatively large volume carbon core can be fallen in rotaring wheeling base, and carbon core can be stuck in the gear structure of rotaring wheeling base, i.e.,
In the internal gear 5 of gear 4 and rotaring wheeling base, so as to influence the normal work of penknife.The present invention penknife, sketch pencil insert
Enter the direction of insertion in direction and traditional penknife on the contrary, being changed to insert from rotaring wheeling base position.Hob assembly 3 is installed by pivot pin 8
On knife rest 1.The one side of hob assembly 3 is with the rotation of knife rest 1, while hob assembly 3 is relative to the rotation of knife rest 1.
Operator body portion 33 foremost 331 is equal or slightly larger than element to the central axis 61 of a slotting passage 6 apart from R3
The radius R2 of the carbon core 71 of pencil 7 is retouched, as shown in fig. 6, when being equal to the radius R2 of carbon core 71 apart from R3, the operator of hob assembly
Body portion 33 makees complete cutting to the woody part of sketch pencil, makes the carbon core of sketch pencil exposed；It is plain when being slightly larger than apart from R3
When retouching the carbon core R2 radiuses of pencil, the operator body portion of hob assembly cuts most of wood materials of sketch pencil, remaining small
Part wood materials are cut by the auxiliary body portion 32 of hob assembly.After sketch pencil cutting, its shape such as Fig. 7 institutes
Show.
Edge structure is distributed at least posterior region 322 for aiding in body portion 32.Aid in the side area of body portion 32
Domain 322 is cut the residual woody part of sketch pencil, while micro carbon core segment can be cut to, carbon core is kept pure
Degree, while allowing it to be maintained at original cylindrical structure.
The penknife of sketch pencil, including box body, Jin Bi mechanisms and penknife structure are cut, penknife structure includes knife rest 1, turned
Wheel seat 2 and hob assembly 3, hob assembly 3 are arranged on knife rest 1, the gear 4 and the internal tooth on rotaring wheeling base 2 of the one end of hob assembly 3
Wheel 5 is engaged, and is provided with knife rest 1 and is inserted a passage 6, and the central axis 31 of hob assembly 3 is in inserting the central axis 61 of a passage 6
One angle, hob assembly 3 includes the auxiliary body portion 32 being wholely set and operator body portion 33, and operator body portion 33 is in cylinder
Type and the woody part for cutting sketch pencil 7, auxiliary body portion 32 are in the taper type that diameter is tapered into back to front,
And auxiliary body portion 32 is substantially parallel close to the central axis 61 of the line of cut 321 and a slotting passage 6 of a slotting passage 6.
Knife rest 1 includes first end 11 and the second end 12, and rotaring wheeling base 2 is provided centrally with through hole 21, first end 11
It is placed in through hole 21, the second end 12 is provided with inserting the carbon core passage 62 that a passage 6 is connected, and first end 11 is provided with slotting
Entrance 111.
Embodiment two：Other parts are identical with embodiment one, and difference is：As shown in Figure 10-Figure 13, sketch is cut
The penknife structure of pencil, including knife rest 1, rotaring wheeling base 2 and hob assembly 3, hob assembly 3 are arranged on knife rest 1, such as Figure 10 institutes
Show, the gear 4 of the one end of hob assembly 3 is engaged with the internal gear 5 on rotaring wheeling base 2, be provided with knife rest 1 and insert a passage 6, such as Figure 11
Shown, the central axis 31 of hob assembly 3 is in an angle with inserting the central axis 61 of a passage 6, and hob assembly 3 is included only to element
The operator body portion 33 that the woody part of pencil is cut is retouched, hob assembly 3 also includes being located at the front side of operator body portion 33
The auxiliary sleeve 12 being coaxially disposed with operator body portion 33.Auxiliary sleeve 12 is integrally formed with operator body portion 33 or split is set
Put, as shown in figure 13, when aiding in sleeve 12 to be set with the split of operator body portion 33, auxiliary sleeve 12 can be made of plastics.
For the auxiliary body portion 32 in embodiment one is in the taper type that back to front diameter is tapered into, this programme plus
Work project plan comparison is simple, be easy to manufacture to produce, advantage of lower cost.The operator body portion 33 of the hob assembly 3 can be to sketch lead
The woody part of pen 7 is cut, but the part of carbon core 71 of sketch pencil 7 is not cut.Operate body portion 33 with it is auxiliary
Sleeve 12 is helped to be located on pivot pin 8 and be installed on by the pivot pin 8 on knife rest 3 as shown in figure 12 together.The auxiliary sleeve 12 can
To prevent movement of the scalpel body part 33 on pivot pin 8, it follows the rotation of pivot pin 8 together with operator body portion 33.
The penknife structure and penknife of cutting sketch pencil provided by the present invention are described in detail above, herein
In apply specific case the principle and embodiment of the present invention be set forth, the explanation of above example is only intended to side
The assistant present invention and core concept.It should be pointed out that for those skilled in the art, not departing from the present invention
On the premise of principle, some improvement and modification can also be carried out to the present invention, these are improved and modification also falls into right of the present invention
It is required that protection domain in.
Claims (10)
1. the penknife structure of sketch pencil is cut, including knife rest, rotaring wheeling base and hob assembly, described hob assembly is installed in institute
On the knife rest stated, the described gear of hob assembly one end is engaged with the internal gear on rotaring wheeling base, is provided with described knife rest
A passage is inserted, the described central axis of hob assembly and the central axis of a slotting passage is in an angle, it is characterised in that hobboing cutter
Component includes the operator body portion that the woody part only to sketch pencil is cut.
2. the penknife structure of cutting sketch pencil according to claim 1, it is characterised in that described hob assembly is also wrapped
Include and the operator integrally formed auxiliary body portion of body portion, the auxiliary body portion of described hob assembly is in straight back to front
Close to the line of cut and the central axis base of a slotting passage of a slotting passage on the taper type that footpath is tapered into, and auxiliary body portion
This is parallel.
3. the penknife structure of cutting sketch pencil according to claim 1, it is characterised in that described hob assembly is also wrapped
Include the auxiliary sleeve being coaxially disposed with described operator body portion on front side of operator body portion.
4. the penknife structure of cutting sketch pencil according to claim 2, it is characterised in that described auxiliary body portion
It is equal to or slightly less than the half of the carbon core of sketch pencil close to the distance of line of cut to the central axis for inserting a passage of a slotting passage
Footpath.
5. the penknife structure of cutting sketch pencil according to claim 1, it is characterised in that knife rest includes first end
And the second end, described rotaring wheeling base is provided centrally with through hole, and described first end is placed in described through hole, described
The second end is provided with inserting the carbon core passage that a passage is connected, and described first end, which is provided with, inserts an entrance.
6. the penknife structure of cutting sketch pencil according to claim 5, it is characterised in that set on described the second end
It is equipped with the fast button push for being used to release disconnected core of alignment carbon core passage.
7. the penknife structure of cutting sketch pencil according to claim 5, it is characterised in that described the second end is installed
There is the rocking arm of driving blade holder turns.
8. the penknife structure of cutting sketch pencil according to claim 1, it is characterised in that described hob assembly passes through
Pivot pin is arranged on described knife rest.
9. the penknife structure of cutting sketch pencil according to claim 2, it is characterised in that described auxiliary body portion
At least posterior region on be distributed edge structure.
10. the penknife of sketch pencil is cut, including the penknife structure as described in claim 1-9 is any.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610887196.XA CN106364236A (en) | 2016-10-11 | 2016-10-11 | Pencil sharpening mechanism and pencil sharpener for cutting sketch pencil |
| CN201610887196X | 2016-10-11 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106938580A true CN106938580A (en) | 2017-07-11 |
Family
ID=57895692
Family Applications (3)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610887196.XA Pending CN106364236A (en) | 2016-10-11 | 2016-10-11 | Pencil sharpening mechanism and pencil sharpener for cutting sketch pencil |
| CN201710220868.6A Pending CN106938580A (en) | 2016-10-11 | 2017-04-06 | Cut the penknife structure and penknife of sketch pencil |
| CN201720356837.9U Expired - Fee Related CN207241257U (en) | 2016-10-11 | 2017-04-06 | Cut the penknife structure and penknife of sketch pencil |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610887196.XA Pending CN106364236A (en) | 2016-10-11 | 2016-10-11 | Pencil sharpening mechanism and pencil sharpener for cutting sketch pencil |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720356837.9U Expired - Fee Related CN207241257U (en) | 2016-10-11 | 2017-04-06 | Cut the penknife structure and penknife of sketch pencil |
Country Status (1)
| Country | Link |
|---|---|
| CN (3) | CN106364236A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108099461A (en) * | 2018-01-25 | 2018-06-01 | 娄稍栋 | Diplopore penknife |
| CN108327432A (en) * | 2018-03-08 | 2018-07-27 | 魏长同 | A kind of hand held pencil sharpener |
| CN114590060A (en) * | 2022-04-15 | 2022-06-07 | 雪松 | Hob assembly and pencil sharpener |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107953706B (en) * | 2017-11-30 | 2019-10-29 | 台州市贝氏婴童用品有限公司 | A kind of batch penknife |
| CN108081836A (en) * | 2018-01-25 | 2018-05-29 | 娄稍栋 | Electro-motion pencil sharpener |
| CN109703252A (en) * | 2019-01-31 | 2019-05-03 | 雪松 | A kind of cutting mechanism and penknife of penknife |
| CN111497508A (en) * | 2020-04-29 | 2020-08-07 | 谢凤良 | Pencil sharpener mechanism with replaceable hob and visible sharpening tip and assembling method thereof |
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| CN104070902A (en) * | 2014-07-02 | 2014-10-01 | 上海理工大学 | Egg-shaped milling cutter, cutting member and pencil sharpener |
| CN204196548U (en) * | 2014-09-25 | 2015-03-11 | 宿卫星 | A kind of art pencil special pencil sharpener |
| CN204472346U (en) * | 2015-03-19 | 2015-07-15 | 刘治奎 | A kind of pencil-knife that can change pencil-lead appearance and size |
| CN204605334U (en) * | 2015-05-22 | 2015-09-02 | 青岛农业大学 | A kind of chalk cutter |
| CN204674258U (en) * | 2015-05-27 | 2015-09-30 | 金华市东波文具有限公司 | Electro-motion pencil sharpener |
| CN205601465U (en) * | 2016-04-05 | 2016-09-28 | 张会丽 | Official working is with wood system pen -holder pencil skiving ware |
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- 2016-10-11 CN CN201610887196.XA patent/CN106364236A/en active Pending
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- 2017-04-06 CN CN201710220868.6A patent/CN106938580A/en active Pending
- 2017-04-06 CN CN201720356837.9U patent/CN207241257U/en not_active Expired - Fee Related
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JPS6447599A (en) * | 1987-08-18 | 1989-02-22 | Shigeyuki Ishii | Pencil sharpener |
| JPH03114394U (en) * | 1989-08-25 | 1991-11-25 | ||
| CN2105413U (en) * | 1991-05-08 | 1992-05-27 | 魏杰 | Rotary pensil grinding sharpener |
| CN2236957Y (en) * | 1996-01-22 | 1996-10-09 | 付汉权 | Pencil sharpener with double hole cutting function |
| JP2007112080A (en) * | 2005-10-24 | 2007-05-10 | Toppan Printing Co Ltd | Pencil sharpener |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108099461A (en) * | 2018-01-25 | 2018-06-01 | 娄稍栋 | Diplopore penknife |
| CN108327432A (en) * | 2018-03-08 | 2018-07-27 | 魏长同 | A kind of hand held pencil sharpener |
| CN114590060A (en) * | 2022-04-15 | 2022-06-07 | 雪松 | Hob assembly and pencil sharpener |
Also Published As
| Publication number | Publication date |
|---|---|
| CN207241257U (en) | 2018-04-17 |
| CN106364236A (en) | 2017-02-01 |
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Application publication date: 20170711 |
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