CN104816319A - Scissors - Google Patents

Scissors Download PDF

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Publication number
CN104816319A
CN104816319A CN201510058895.9A CN201510058895A CN104816319A CN 104816319 A CN104816319 A CN 104816319A CN 201510058895 A CN201510058895 A CN 201510058895A CN 104816319 A CN104816319 A CN 104816319A
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CN
China
Prior art keywords
hand grip
grip portion
knife
scissors
mentioned
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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.)
Granted
Application number
CN201510058895.9A
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Chinese (zh)
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CN104816319B (en
Inventor
铃木刚
河井重博
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Kokuyo Co Ltd
Original Assignee
Kokuyo S&T Co Ltd
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Filing date
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Publication of CN104816319A publication Critical patent/CN104816319A/en
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Publication of CN104816319B publication Critical patent/CN104816319B/en
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Abstract

The invention provides a pair of scissors which can reduce the width of the scissors without damaging the convenience of use and is portable. The pair of scissors comprises a pair of scissors bodies (11, 12) and a shaft (4) which rotatably connects the pair of scissors bodies (11, 12), wherein the scissors bodies (11, 12) are respectively provided with a handle (21, 22) and a blade (31, 32) with a blade line (31c, 32c), the handle (21) of the 1 st scissors body (11) is provided with a 1 st hand-holding ring (211a) which is a 1 st hand-holding part for bearing the operating force of the thumb T of a user; a handle (22) of a 2 nd scissor body (12) is provided with a 2 nd grip ring (221a) as a 2 nd grip part for receiving the operating force of fingers (F1-F3) other than the thumb of a user, wherein the 1 st grip ring (211a) is arranged at a position closer to a shaft (4) than the 2 nd grip ring (221a) and opens in a direction different from that of the 2 nd grip ring (221 a).

Description

Scissors
Technical field
The present invention relates to the scissors being applicable to the place such as office and school.
Background technology
When being carried in the storage apparatus such as pencil box by scissor accommodating, in order to be received in the limited accommodation space in storage apparatus, special requirement reduce the width dimensions of handle of a knife.
As the structure of the width dimensions for reducing the scissors under scissors closure state, the known structure (such as with reference to the patent document 1) hand grip portion cutting the handle of a knife of body of the opposing party being configured at the position closer to axle side compared with the hand grip portion cutting the handle of a knife of body of a side.Because: if such structure, then the hand grip portion of paired handle of a knife can be configured at identical or close width position.
But, the hand grip portion of this scissors is in the past to same direction opening, but when the thumb of user being put in the hand grip portion cutting the handle of a knife of body of a side and the retracting beyond the thumb of user be put in the hand grip portion cutting the handle of a knife of body of the opposing party and use this scissors, thumb and other point and extend to different directions.Therefore, carry out holding form not nature during rupturing operation, there is this unfavorable condition of ease of use difference.
Patent document 1: Japanese Unexamined Patent Publication 61-134780 publication
Summary of the invention
The present invention is conceived to above aspect, reduces the width dimensions of scissors with its object is to harmless ease of use and seeks easy to carry.
In order to solve above problem, scissors involved in the present invention has the such structure of the following stated.Namely, scissors involved in the present invention, has and paired cuts body and by this paired axle cut body and rotatably combine, described in cut status and do not possess handle of a knife and there is the blade of sword line, wherein, the handle of a knife cutting body of a side has the 1st hand grip portion of the operating physical force of the thumb for bearing user; The handle of a knife cutting body of the opposing party has the 2nd hand grip portion of the operating physical force for bearing the finger beyond user's thumb; Described 1st hand grip portion is configured at the position close to described axle side compared with described 2nd hand grip portion, and to the direction opening different from described 2nd hand grip portion.
If such scissors, then can be configured at the position close to axle side by the 1st hand grip portion compared with the 2nd hand grip portion thus reduce the width dimensions of the scissors under scissors closure state.On this basis, the 1st hand grip portion and the 2nd hand grip portion, to different direction openings, so can hold this scissors with natural form, can seek the raising of ease of use.
Scissors described in technical scheme 2, in the structure described in technical scheme 1: described 2nd hand grip portion is to the direction opening vertical with the sliding surface that described sword line slides over each other.
Scissors described in technical scheme 3, in the structure described in technical scheme 1 or 2: the handle of a knife cutting body of one possesses: connecting portion, it is connected between hand grip portion with axle the described 1st; Described 1st hand grip portion; And press section, it is arranged between this connecting portion and the 1st hand grip portion, and bears for making that a side's cut the operating physical force of cutting body movement of body to the opposing party.
Scissors described in technical scheme 4, in the structure described in technical scheme 1,2 or 3: the inner surface of described press section possesses the rake of the normal slope of the sliding surface slided over each other relative to described sword line.
Scissors described in technical scheme 5, in the structure described in technical scheme 1,2,3 or 4: at the position of the point of a knife side of described sword line, be set with intersecting angle formed by two sword lines and substantially do not change or described intersecting angle leaves from described axle along with off-position and becomes large point of a knife side region.
According to the present invention, the convenience that reduce scissors width dimensions seeking with can can't harm ease of use carries.
Accompanying drawing explanation
Fig. 1 is the overall perspective view of the scissors represented involved by an embodiment of the invention.
Fig. 2 is the overall front view of the scissors represented involved by this embodiment.
Fig. 3 is the overall front view representing the state that the scissors involved by this embodiment is opened.
Fig. 4 is the front view of the handle of a knife of the scissors represented involved by this embodiment.
Fig. 5 is the handle of a knife of the scissors represented involved by this embodiment and the side view of its holding form.
Fig. 6 is the top view of the handle of a knife of the scissors represented involved by this embodiment.
Fig. 7 is the A-A sectional view in Fig. 5.
Fig. 8 be represent scissors involved by this embodiment and its hold the stereogram of form.
Symbol description
H ... scissors
11,12 ... (the 1st, the 2nd) cuts body
21,22 ... (the 1st, the 2nd) handle of a knife
211a ... 1st hand grip portion (the 1st holds ring)
212 ... 1st connecting portion
213 ... press section
213b ... rake
221a ... 2nd hand grip portion (the 2nd holds ring)
222 ... 2nd connecting portion
31,32 ... (the 1st, the 2nd) blade
Detailed description of the invention
Following while describe an embodiment of the invention with reference to Fig. 1 ~ Fig. 8.
As shown in FIG. 1 to 3, the scissors H involved by present embodiment cuts body 11 and has the 2nd of 2nd blade 32 paired with above-mentioned 1st blade 31 and cut body 12 centered by fulcrum 4, pass on the scissors be combined into freely by the 1st with the 1st blade 31.
As shown in FIG. 1 to 3, the above-mentioned 1st cut above-mentioned 1st blade 31 that body 11 installed by the 1st handle of a knife 21 and the front end of base end side being inserted the 1st handle of a knife 21 and form.
As shown in Fig. 1 ~ Fig. 8, above-mentioned 1st handle of a knife 21 possesses: the 1st operating portion 211, and thumb T to put into for user and holds ring 211a as the 1st of the hand grip portion inserted for it by it; With connecting portion 212, it is connected with between fulcrum 4 above-mentioned 1st operating portion 211.And as mentioned above, namely the front end making the base end side of above-mentioned 1st blade 31 insert the 1st handle of a knife 21 installs near one end, axle 4 side.
Above-mentioned 1st blade 31 is the components sandwiching the scraps of paper when using scissors H to be cut off by the scraps of paper etc. between the 2nd blade 32.1st blade 31 be with the metallic plate formed primarily of stainless steel be raw material, overall by carrying out stamping and tabular component that is that formed integratedly.The gauge of this metallic plate is arbitrary.In addition, in the present embodiment, as shown in FIG. 1 to 3, the 1st blade 31, sliding relative to above-mentioned 2nd blade 32 and smooth not shown knife back face and as between the outer surface in the face towards above-mentioned 2nd blade 32 opposition side and cutter surface 31b, be formed with sword line 31c.Further, the 1st blade 31 possesses: knife back 31d, and it is formed at the side edge with above-mentioned sword line 31c opposition side; Point of a knife 31e, it is positioned at top ends; With cutter root 31f, it is positioned near base end part and fulcrum 4.And, above-mentioned sword line 31c sets out cutter root side region 31c1 and point of a knife side region 31c2.This cutter root side region 31c1 is adjacent with this point of a knife side region 31c2, and sword line intersecting angle is each other minimum at the boundary of this cutter root side region 31c1 and this point of a knife side region 31c2.That is, throughout the whole region of point of a knife side region 31c2, above-mentioned intersecting angle is all large than the intersecting angle of above-mentioned boundary.And, as previously mentioned, on the 1st blade 31, be provided with via fulcrum 4 and form the 2nd blade 32 that the above-mentioned 2nd cuts body 12.
On the other hand, as shown in FIG. 1 to 3, the 2nd body 12 is cut by the 2nd handle of a knife 22 with insert the front end of the 2nd handle of a knife 22 as base end side and above-mentioned 2nd blade 32 of the 2nd blade installed is formed.
As shown in Fig. 1 ~ Fig. 6 and Fig. 8, above-mentioned 2nd handle of a knife 22 possesses: the 2nd operating portion 221, and the finger beyond thumb T to be put in for user by it to be held in ring 221a as the 2nd of predetermined hand grip portion region; With connecting portion 222, it is connected with between fulcrum 4 above-mentioned 2nd operating portion 221.And as mentioned above, namely the front end making the base end side of above-mentioned 2nd blade 32 insert the 2nd handle of a knife 22 installs near one end, axle 4 side.
Above-mentioned 2nd blade 32 is paired with above-mentioned 1st blade 31, is the component sandwiched by the scraps of paper between the 1st blade 31 when using scissors H to be cut off by the scraps of paper etc.2nd blade 32 is also same with above-mentioned 1st blade 31, be with the metallic plate formed primarily of stainless steel be raw material, overall by carrying out stamping and tabular component that is that formed integratedly.In addition, in the present embodiment, as shown in FIG. 1 to 3, the 2nd blade 32, sliding relative to above-mentioned 1st blade 31 and smooth knife back face 32a and as between the outer surface in the face towards above-mentioned 1st blade 31 opposition side and not shown cutter surface, be formed with sword line 32c.The total length of this sword line 32c is also arbitrary.Further, the 2nd blade 32 possesses: knife back 32d, and it is formed at the side edge of above-mentioned sword line 32c opposition side; Point of a knife 32e, it is positioned at top ends; With cutter root 32f, it is positioned near base end part and fulcrum 4.
Sword line 31c, 32c of above-mentioned 1st blade 31 and the 2nd blade 32 are set with cutter root side region 31c1,32c1 and point of a knife side region 31c2,32c2 respectively, this cutter root side region 31c1,32c1 are curve-like, off-position is left from above-mentioned axle along with rupturing operation, and formed by two sword lines 31c, 32c, intersecting angle diminishes thereupon gradually; The point of a knife side of this point of a knife side region 31c2,32c2 and this cutter root side region is adjacent, and above-mentioned intersecting angle is substantially constant, or above-mentioned intersecting angle leaves from above-mentioned axle along with off-position and becomes large.At above-mentioned cutter root side region 31c1,32c1, the width dimensions of the 1st blade 31 and the 2nd blade 32 is roughly certain.On the other hand, at above-mentioned point of a knife side region 31c2,32c2, the width dimensions of the 1st blade 31 and the 2nd blade 32 diminishes along with close to point of a knife 31e, 32e.
Here, the structure of the 1st handle of a knife 21 is described in further detail.
As shown in Fig. 1 ~ Fig. 8, the 1st handle of a knife 21 possesses: above-mentioned 1st operating portion 211; Above-mentioned connecting portion 212, it is connected with between fulcrum 4 above-mentioned 1st operating portion 211; With press section 213, it is arranged between this connecting portion 212 and the 1st operating portion 211, bears for make the 1st to cut body 11 to cut body 12 movement operating physical force to the 2nd.
As shown in Fig. 1 ~ Fig. 8, above-mentioned 1st operating portion 211 has the cylindrical structural member that the above-mentioned 1st holds ring 211a.As shown in Figure 5, the above-mentioned 1st central axis L1 holding ring 211a, the direction of the normal L0 of the sliding surface P that the sword line 32c to the sword line 31c and the 2nd blade 32 that are different from the 1st blade 31 slides extends.More particularly, the normal L0 angulation θ (> 0) of above-mentioned central axis L1 and above-mentioned sliding surface P.This angle θ is set as about 34 degree in the present embodiment.In addition, as shown in Figure 7, above-mentioned central axis L1, with the straight line LX angulation by axle 4 and point of a knife 31e under the state that scissors H closes
As shown in Fig. 1 ~ Fig. 8, above-mentioned connecting portion 212, one end and the above-mentioned 1st is held ring 211a and is connected, and extends along above-mentioned straight line LX.
As shown in Fig. 1 ~ Fig. 8, above-mentioned press section 213 is the curved surface tabular positions be connected to the position closest to above-mentioned axle 4 with above-mentioned connecting portion 212 with the connecting portion of above-mentioned connecting portion 212 to holding ring 211a from the above-mentioned 1st.The inner surface 211b that the inner surface 213a and the above-mentioned 1st of this press section 213 holds ring 211a is continuous smoothly.As shown in Figure 5, when the use of scissors H, the thumb T of user holds ring 211a with the inner surface 213a of this press section 213 and the 1st and contacts.And, close to the position of the 1st connecting portion 212 in the inner surface 213a of this press section 213, possess the rake 213b tilted relative to the normal L0 of above-mentioned sliding surface P.This rake 213b has the function positioned thumb T by the thumb T of the hand of contact user.In addition, be rake 213b at Fig. 4 ~ Fig. 7 hypographous position of getting the bid.
Next, the structure of the 2nd handle of a knife 22 is described in further detail.
As shown in Fig. 1 ~ Fig. 6 and Fig. 8, the 2nd handle of a knife 22 possesses: above-mentioned 2nd operating portion 221; With above-mentioned connecting portion 222, it is connected with between fulcrum 4 above-mentioned 2nd operating portion 221.In addition, in figure 6, the 2nd handle of a knife 22 represents with imaginary line.
As shown in Fig. 1 ~ Fig. 6 and Fig. 8, above-mentioned 2nd operating portion 221, possesses: the 2nd holds ring 221a, its for the finger beyond the thumb T of user, be most preferably that middle finger F2 attaches; With put phalangeal process and play 221b, it is positioned at the 2nd and holds the outside of ring 221a and the nameless F3 for user attaches.The normal L0 of the above-mentioned 2nd central axis L2 and above-mentioned sliding surface P holding ring 221a extends to same direction.Here, as shown in Fig. 1 ~ Fig. 5, the 2nd operating portion 221 is configured at the position left from axle 4 compared with the 1st operating portion 211.In other words, the 1st operating portion 211 is configured at the position close to axle 4 compared with the 2nd operating portion 221.
Above-mentioned connecting portion 222, one end and the above-mentioned 2nd is held ring 221a and is connected, and is roughly extending along on the direction of above-mentioned straight line LX.In addition, in the outer surface of this connecting portion 222, the position adjacent with axle 4 side end of above-mentioned 2nd operating portion 221 be provided with guiding protuberance 222a as the protuberance bloated outward, makes the forefinger F1 of user be attached to axle 4 side of this guiding protuberance 222a.
Namely, when with the scissors H the most naturally holding form use present embodiment, as shown in Fig. 5 and Fig. 8, under the state that forefinger F1, middle finger F2 and the nameless F3 of user extend approximately towards same direction, middle finger F2 is inserted through the 2nd and holds ring 221a, make forefinger F1 be attached to axle 4 side of above-mentioned guiding protuberance 222a and make nameless F3 be positioned over phalangeal process to play 221b.And, under the state that the thumb T of user extends on the direction intersected with forefinger F1, middle finger F2 and nameless F3, make thumb T be inserted through the 1st and hold ring 211a and be attached to the rake 213b of the inner surface 213a of press section 213.Now, thumb T extends along the central axis L1 that the 1st holds ring 211a, and the finger beyond thumb T is being held the different direction of the central axis L1 of ring 211a from the 1st, is more particularly being extend on the 2nd direction holding the central axis L2 of ring 221a.But, hold in ring 221a the 2nd which finger inserted beyond thumb T and can both use this scissors H.
That is, structure according to the present embodiment, by the 1st operating portion 211 being configured at the position close to axle 4 side compared with the 2nd operating portion 221, thus can reduce the width dimensions of the scissors under the state that scissors H closes.And the 1st operating portion 211 and the 2nd operating portion 221, to different directions opening, so can hold this scissors with natural form, can seek the raising of ease of use.
In addition, above-mentioned 2nd operating portion 221, to the direction opening vertical with the sliding surface P that above-mentioned sword line 31c, 32c slide over each other, so it is vertical the 1st blade 31 and the 2nd blade 32 can be configured to cut off with the scraps of paper etc. object, makes use sense not impaired.
Further, the 1st handle of a knife 21 possesses: above-mentioned 1st operating portion 211; Above-mentioned connecting portion 212; Press section 213, it is arranged between this connecting portion 212 and the 1st operating portion 211, and bear for make the 1st to cut body 11 to cut body 12 movement operating physical force to the 2nd, so the thumb T of user can be made to be attached to the inner surface 213a of this press section 213, bear the operating physical force of thumb T in the mode in face and transmit to the 1st blade 31.
And the inner surface 213a of press section 213 possesses rake 213b, so the thumb T of user can be made to against this rake 213b and carry out the location of thumb T, stablize by making holding form stable and cut off the scraps of paper as the crow flies.
On this basis, point of a knife side region 31c2,32c2 is set with respectively at the position of point of a knife 31e, 32e side of sword line 31c, 32c of above-mentioned 1st blade 31 and the 2nd blade 32, in this point of a knife side region 31c2,32c2, article two, the intersecting angle of sword line 31c, 32c formation is substantially constant, or, above-mentioned intersecting angle leaves from above-mentioned axle along with off-position and becomes large, even if so it is also less to cut off required load near point of a knife, the cut-out operation of the scraps of paper using such scissors easily can be carried out.
In addition, the present invention is not limited to the above embodiment described.
Such as, in the above-described embodiment, the 1st and the 2nd hand grip portion is all ring-type, as long as but handle of a knife can be born each other to direction adjacent to each other and the operating physical force both sides in direction that mutually leave, also can be the shape that Partial Resection falls.
In addition, in the above-described embodiment, make the 2nd hand grip portion to the direction opening vertical with the sliding surface that sword line slides over each other, as long as but the 1st and the 2nd hand grip portion to different direction openings, just can obtain the effect that can hold with natural form.
Further, in the above-described embodiment, the 1st handle of a knife possesses: connecting portion, and it is connected between hand grip portion with axle the 1st; 1st hand grip portion; And press section, it to be arranged between this connecting portion and the 1st hand grip portion and to bear for making that a side's cut the operating physical force of cutting body movement of body to the opposing party, but this press section also can be omitted, in addition, when arranging press section, its shape also can at random set.
On this basis, in the above-described embodiment, at ratio the 2nd hand grip portion of the 2nd handle of a knife closer to axle side, possesses the protuberance led in the position for the forefinger to user, but the shape of this protuberance is arbitrary, in addition, also such protuberance can be omitted, and adopt: setting example as recess of the forefinger for receiving user etc., form to other means led in the position of the forefinger of user is set; With means self the abridged form led in the position of the forefinger to user.
And blade can be also resinous blade etc., the blade that formed by the material beyond metal, in addition, also can form blade and handle of a knife by identical material.
Further, in the above-described embodiment, the direction of the 1st hand grip portion opening (central axis extend towards) relative to the direction (central axis extend towards) of the 2nd hand grip portion opening into about 34 degree, as long as but the direction of the 1st hand grip portion opening is different from the direction of the 2nd hand grip portion opening, in other words, as long as their angulations are greater than 0 degree, just can be set as until the arbitrary angle of 90 degree.
And it be linearity and/or radius of curvature is certain curve-like etc. that the shape of sword line also can be set as arbitrarily throughout entirety.But, according to the structure of above-mentioned embodiment, as previously mentioned, even if can obtain cutting off near point of a knife the effect that required load also diminishes.
On this basis, in order to corresponding with left-handed user, overall heterochiral shape under the state configured as shown in Figure 5 also can be adopted.
In addition, also various change can be carried out in the scope of harmless purport of the present invention.

Claims (5)

1. a scissors, has and paired cuts body and by this paired axle cut body and rotatably combine, described in cut status and do not possess handle of a knife and there is the blade of sword line, wherein,
The handle of a knife cutting body of one side has the 1st hand grip portion of the operating physical force of the thumb for bearing user;
The handle of a knife cutting body of the opposing party has the 2nd hand grip portion of the operating physical force for bearing the finger beyond user's thumb;
Described 1st hand grip portion is configured at the position close to described axle side compared with described 2nd hand grip portion, and to the direction opening different from described 2nd hand grip portion.
2. scissors according to claim 1, wherein:
Described 2nd hand grip portion is to the direction opening vertical with the sliding surface that described sword line slides over each other.
3. scissors according to claim 1 and 2, wherein:
The handle of a knife cutting body of one possesses: connecting portion, and it is connected between hand grip portion with axle the described 1st; Described 1st hand grip portion; And press section, it is arranged between described connecting portion and described 1st hand grip portion, and bears for making that a side's cut the operating physical force of cutting body movement of body to the opposing party.
4. the scissors according to claim 1,2 or 3, wherein:
The inner surface of described press section possesses the rake of the normal slope of the sliding surface slided over each other relative to described sword line.
5. the scissors according to claim 1,2,3 or 4, wherein:
At the position of the point of a knife side of described sword line, be set with the substantially constant or described intersecting angle of intersecting angle formed by two sword lines and leave from described axle along with off-position and become large point of a knife side region.
CN201510058895.9A 2014-02-04 2015-02-04 Scissors Active CN104816319B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2014-019696 2014-02-04
JP2014019696A JP6303552B2 (en) 2014-02-04 2014-02-04 scissors

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CN104816319A true CN104816319A (en) 2015-08-05
CN104816319B CN104816319B (en) 2017-06-23

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114951804A (en) * 2021-02-25 2022-08-30 M·H·帕诺蒂安 Finger grip for a cutter
CN114951806A (en) * 2021-02-25 2022-08-30 M·H·帕诺蒂安 Finger grip for a cutter

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CN103522309A (en) * 2013-10-17 2014-01-22 张家港市信佳塑料五金制品有限公司 Scissors

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CN1162105A (en) * 1996-04-01 1997-10-15 公维生 Method for manufacturing shell-and-tube prestressed heat exchanger
US5950314A (en) * 1997-08-05 1999-09-14 Chang; Jung-Hsien Step-separating shearing tool
CN2369833Y (en) * 1999-05-04 2000-03-22 赵剑生 Safety scissors for children
CN1162105C (en) * 1999-06-15 2004-08-18 米歇尔·梅尔赫杰有限公司 Constructive disposition introduced in pliers
US20090158598A1 (en) * 2005-12-15 2009-06-25 Takuya Ishida Ergonomic Shears
US20130097875A1 (en) * 2010-10-04 2013-04-25 Nusharp Inc. Pair of scissors with an open second handle
CN103522309A (en) * 2013-10-17 2014-01-22 张家港市信佳塑料五金制品有限公司 Scissors

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114951804A (en) * 2021-02-25 2022-08-30 M·H·帕诺蒂安 Finger grip for a cutter
CN114951806A (en) * 2021-02-25 2022-08-30 M·H·帕诺蒂安 Finger grip for a cutter

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Publication number Publication date
JP2015146832A (en) 2015-08-20
CN104816319B (en) 2017-06-23
JP6303552B2 (en) 2018-04-04

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