JP6994298B2 - Nail cutting - Google Patents

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JP6994298B2
JP6994298B2 JP2016245816A JP2016245816A JP6994298B2 JP 6994298 B2 JP6994298 B2 JP 6994298B2 JP 2016245816 A JP2016245816 A JP 2016245816A JP 2016245816 A JP2016245816 A JP 2016245816A JP 6994298 B2 JP6994298 B2 JP 6994298B2
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blade
tip
bladed
blade body
degrees
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JP2018099185A (en
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義之 磯西
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Kaijirushi Hamono Center KK
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Kaijirushi Hamono Center KK
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Description

本発明は、先端部に刃付部を有する上下両刃体を操作部材により互いに接近及び離間させることができる爪切りに関するものである。 The present invention relates to a nail clipper capable of allowing upper and lower double-edged bodies having a bladed portion at a tip portion to approach and separate from each other by an operating member.

下記の特許文献１等で開示された従来の爪切りにおいては、図４に示すように、上下両刃体２，５の先端部４，７に刃付部１２，１６が折曲形成されて相対向し、上刃体２に回動可能に支持された押圧操作てこ１０により、上刃体２が下刃体５側へ押圧されて、上下両刃体２，５の先端部４，７の刃付部１２，１６が互いに接近及び離間する。上下両刃体２，５の先端部４，７には刃付部１２，１６に連続する終端部１１ａ，１５ａが形成され、刃付部１２，１６の外面が終端部１１ａ，１５ａの外面に対しなす折曲角度が鋭角に設けられている。 In the conventional nail clippers disclosed in Patent Document 1 and the like below, as shown in FIG. 4, the bladed portions 12 and 16 are bent and formed at the tip portions 4 and 7 of the upper and lower double-edged blades 2 and 5, and are relative to each other. The upper blade 2 is pressed toward the lower blade 5 by the pressing operation lever 10 rotatably supported by the upper blade 2, and the blades of the tips 4 and 7 of the upper and lower blades 2 and 5 are pressed. Attachments 12 and 16 approach and separate from each other. The tip portions 4 and 7 of the upper and lower blades 2 and 5 are formed with end portions 11a and 15a continuous with the blade attachment portions 12 and 16, and the outer surface of the blade attachment portions 12 and 16 is relative to the outer surface of the end portions 11a and 15a. The bending angle is provided at an acute angle.

実開平４－１１６９０４号公報Jikkenhei 4-116904 Gazette

図４に示す従来の爪切りにおいては、使用時に上刃体２の先端部４の刃付部１２を操作部材８の押圧操作てこ１０側から見た場合、上刃体２の先端部４の終端部１１ａに邪魔されて上下両刃体２，５の先端部４，７の刃付部１２，１６間で切断される爪が見にくいことがある。 In the conventional nail clipper shown in FIG. 4, when the bladed portion 12 of the tip portion 4 of the upper blade body 2 is viewed from the pressing operation lever 10 side of the operating member 8, the tip portion 4 of the upper blade body 2 is viewed. It may be difficult to see the claws that are obstructed by the end portion 11a and cut between the bladed portions 12 and 16 of the tip portions 4 and 7 of the upper and lower blades 2 and 5.

この発明は、爪切りにおいて刃体の先端部の形態を改良することにより、使用時に両刃付部間で切断される爪の先端部を操作部材側から見易くすることを目的としている。 An object of the present invention is to improve the shape of the tip of the blade in nail clippers so that the tip of the nail cut between the double-edged portions during use can be easily seen from the operation member side.

後記実施形態の図面（図１～３）の符号を援用して本発明を説明する。
請求項１の発明にかかる爪切り（１）においては、先端部（４）に刃付部（１２）を有する第一刃体（２）と先端部（７）に刃付部（１６）を有する第二刃体（５）とを備え、操作部材（８）により第一刃体（２）の先端部（４）の刃付部（１２）と第二刃体（５）の先端部（７）の刃付部（１６）とを互いに接近及び離間させることができる。第一刃体（２）の先端部（４）には、第一刃体（２）の刃体本体（３）の終端部（１１ａ）から第二刃体（５）の先端部（７）の刃付部（１６）側へ屈曲された連結部（１３）と、この連結部（１３）から第二刃体（５）の先端部（７）の刃付部（１６）側へ屈曲された刃付部（１２）とを設け、この第一刃体（２）の先端部（４）において、刃体本体（３）の終端部（１１ａ）から第二刃体（５）の先端部（７）の刃付部（１６）側へ屈曲された連結部（１３）でその外面が刃体本体（３）の終端部（１１ａ）の外面に対しなす屈曲角度をＡ、この連結部（１３）から第二刃体（５）の先端部（７）の刃付部（１６）側へ屈曲された刃付部（１２）でその外面がこの連結部（１３）の外面に対しなす屈曲角度をＢ、この刃付部（１２）の外面が刃体本体（３）の終端部（１１ａ）の外面に対しなす屈曲角度をＣとした場合、Ａ＜Ｂ＜Ｃに設定し、第一刃体（２）の先端部（４）において、屈曲角度Ａは１５度以上２５度以下の鋭角に設けられ、屈曲角度Ｂは４５度以上６０度以下の鋭角に設けられ、屈曲角度Ｃは６０度以上７５度以下の鋭角に設けられることによって、この刃体本体（３）の終端部（１１ａ）の外面を含む面とこの連結部（１３）の外面及び刃付部（１２）の外面との間に刃付部（１２）に対する視認空間（Ｓ）を設け、第二刃体（５）の先端部（７）にも第二刃体（５）の刃体本体（６）の終端部（１５ａ）と第二刃体（５）の先端部（７）の刃付部（１６）とを互いに繋ぐ連結部（１７）を設け、この第二刃体（５）の先端部（７）において、この連結部（１７）の外面が刃体本体（６）の終端部（１５ａ）の外面に対しなす屈曲角度をＤ、この刃付部（１６）の外面がこの連結部（１７）の外面に対しなす屈曲角度をＥ、この刃付部（１６）の外面が刃体本体（６）の終端部（１５ａ）の外面に対しなす屈曲角度をＦとした場合、Ｄ≦Ｅ＜Ｆに設定した。 The present invention will be described with reference to the reference numerals of the drawings (FIGS. 1 to 3) of the embodiments described later.
In the nail clipper (1) according to the invention of claim 1, the first blade body (2) having the bladed portion (12) at the tip portion (4) and the bladed portion (16) at the tip portion (7) are provided. The second blade body (5) is provided, and the tip portion (12) of the tip portion (4) of the first blade body (2) and the tip portion (5) of the second blade body (5) are provided by the operating member (8). The bladed portion (16) of 7) can be brought close to and separated from each other. At the tip (4) of the first blade (2), the end (11a) of the blade body (3) of the first blade (2) to the tip (7) of the second blade (5). The connecting portion (13) bent toward the bladed portion (16) side, and the connecting portion (13) bent toward the bladed portion (16) side of the tip end portion (7) of the second blade body (5). A bladed portion (12) is provided, and in the tip portion (4) of the first blade body (2), the end portion (11a) of the blade body (3) to the tip portion of the second blade body (5). The bending angle formed by the outer surface of the connecting portion (13) bent toward the bladed portion (16) side of (7) with respect to the outer surface of the end portion (11a) of the blade body body (3) is A, and this connecting portion (7). A bladed portion (12) bent from 13) to the bladed portion (16) side of the tip end portion (7) of the second blade body (5), the outer surface of which is bent with respect to the outer surface of the connecting portion (13). When the angle is B and the bending angle formed by the outer surface of the bladed portion (12) with respect to the outer surface of the end portion (11a) of the blade body (3) is C, set A <B <C and first. In the tip portion (4) of the blade body (2), the bending angle A is provided at a sharp angle of 15 degrees or more and 25 degrees or less, the bending angle B is provided at a sharp angle of 45 degrees or more and 60 degrees or less, and the bending angle C is 60. By being provided at a sharp angle of degree or more and 75 degrees or less, the surface including the outer surface of the end portion (11a) of the blade body body (3), the outer surface of the connecting portion (13), and the outer surface of the bladed portion (12). A visible space (S) is provided between the blades (12) , and the tip (7) of the second blade (5) is also the end of the blade body (6) of the second blade (5). A connecting portion (17) is provided to connect the (15a) and the bladed portion (16) of the tip portion (7) of the second blade body (5) to each other, and the tip portion (7) of the second blade body (5) is provided. The bending angle formed by the outer surface of the connecting portion (17) with respect to the outer surface of the end portion (15a) of the blade body body (6) is D, and the outer surface of the bladed portion (16) is the connecting portion (17). When the bending angle formed with respect to the outer surface is E and the bending angle formed by the outer surface of the bladed portion (16) with respect to the outer surface of the end portion (15a) of the blade body body (6) is F, D ≦ E <F. I set it.

請求項１の発明では、視認空間（Ｓ）により、使用時に両刃体（２，５）の先端部（４，７）の刃付部（１２，１６）間で切断される爪の先端部を操作部材（８）側から見易くすることができる。 In the invention of claim 1, the tip portion of the claw that is cut between the bladed portions (12, 16) of the tip portions (4, 7) of the double-edged blades (2, 5) during use is formed by the visual recognition space (S). It can be easily seen from the operation member (8) side.

請求項１の発明では、第一刃体（２）において刃体本体（３）の終端部（１１ａ）の外面を含む面と連結部（１３）の外面及び刃付部（１２）の外面との間に刃付部（１２）に対する視認空間（Ｓ）を設けることができるので、使用時に両刃体（２，５）の先端部（４，７）の刃付部（１２，１６）間で切断される爪の先端部を操作部材（８）側から見易くすることができる。
請求項１の発明では、第二刃体（５）において刃体本体（６）の終端部（１５ａ）の外面を含む面と連結部（１７）の外面及び刃付部（１６）の外面との間には刃付部（１６）に対する視認空間（Ｓ）を設けることができるので、使用時に両刃体（２，５）の先端部（４，７）の刃付部（１２，１６）間で切断される爪の先端部を第二刃体（５）の下方側から見易くすることができる。 In the invention of claim 1 , in the first blade body (2), the surface including the outer surface of the end portion (11a) of the blade body main body (3), the outer surface of the connecting portion (13), and the outer surface of the bladed portion (12). Since a viewing space (S) for the bladed portion (12) can be provided between the blades, between the bladed portions (12, 16) of the tip portions (4, 7) of the double-edged blades (2, 5) during use. The tip of the claw to be cut can be easily seen from the operation member (8) side.
In the invention of claim 1, in the second blade body (5), the surface including the outer surface of the end portion (15a) of the blade body body (6), the outer surface of the connecting portion (17), and the outer surface of the bladed portion (16). Since a viewing space (S) for the bladed portion (16) can be provided between the bladed portions (16), between the bladed portions (12, 16) of the tip portions (4, 7) of the double-edged blades (2, 5) during use. The tip of the claw to be cut in can be easily seen from the lower side of the second blade (5).

請求項１の発明を前提とする請求項２の発明にかかる第一刃体（２）の先端部（４）において、連結部（１３）の外面と刃体本体（３）の終端部（１１ａ）の外面と刃付部（１２）の外面とはそれぞれ互いに連続する平坦面になっている。請求項２の発明では、第一刃体（２）の先端部（４）の刃付部（１２）に対する視認空間（Ｓ）を広くすることができる。 In the tip portion (4) of the first blade body (2) according to the invention of claim 2 , which is premised on the invention of claim 1, the outer surface of the connecting portion (13) and the end portion (11a) of the blade body body (3). ) And the outer surface of the bladed portion (12) are flat surfaces that are continuous with each other. According to the second aspect of the present invention, the viewing space (S) of the tip end portion (4) of the first blade body (2) with respect to the bladed portion (12) can be widened.

請求項１又は２の発明を前提とする請求項３の発明において、操作部材（８）は第一刃体（２）に対し回動可能に支持した押圧操作てこ（１０）を備え、この第一刃体（２）の刃体本体（３）にはその押圧操作てこ（１０）により第二刃体（５）側へ押圧される押圧部（１１）を設け、前記刃体本体（３）の終端部はこの押圧部（１１）の終端部（１１ａ）である。請求項３の発明では、押圧操作てこ（１０）により、第一刃体（２）の先端部（４）の刃付部（１２）と第二刃体（５）の先端部（７）の刃付部（１６）とを容易に接近及び離間させることができる。 In the invention of claim 3 , which is premised on the invention of claim 1 or 2 , the operating member (8) includes a pressing operation lever (10) that is rotatably supported with respect to the first blade body (2). The blade body (3) of the one blade (2) is provided with a pressing portion (11) that is pressed toward the second blade (5) by the pressing operation lever (10), and the blade body (3) is provided. The end portion of the above is the end portion (11a) of the pressing portion (11). In the invention of claim 3 , the pressing operation lever (10) causes the tip portion (12) of the tip portion (4) of the first blade body (2) and the tip portion (7) of the second blade body (5) to be formed. The bladed portion (16) can be easily approached and separated from the bladed portion (16).

請求項１～３のうちいずれか一つの請求項の発明を前提とする請求項４の発明にかかる第二刃体（５）の先端部（７）において、第一刃体（２）の先端部（４）の屈曲角度Ａ，Ｂ，Ｃと同一の屈曲角度Ｄ，Ｅ，Ｆに設定されている。請求項４の発明では、第一刃体（２）と第二刃体（５）とを同じ形態にして部品を共通化することができる。 The tip of the first blade (2) in the tip (7) of the second blade (5) according to the invention of claim 4 , which is premised on the invention of any one of claims 1 to 3. The bending angles D, E, and F are set to be the same as the bending angles A, B, and C of the portion (4). In the invention of claim 4 , the first blade (2) and the second blade (5) can be made into the same form to share parts.

本発明は、爪切り（１）において使用時に両刃体（２，５）の先端部（４，７）の刃付部（１２，１６）間で切断される爪の先端部を操作部材（８）側から見易くすることができる。 In the present invention, in the nail clipper (1), the tip portion of the claw that is cut between the bladed portions (12, 16) of the tip portions (4, 7) of the double-edged blades (2, 5) during use is controlled by the operating member (8). ) Can be easily seen from the side.

不使用状態の爪切りを示す斜視図である。It is a perspective view which shows the nail clipper in an unused state. 使用状態の爪切りを示す側面図である。It is a side view which shows the nail clipper in the use state. （ａ）は図２の爪切りにおいて上下両刃体の刃付部の刃縁線を互いに噛み合わせた状態を示す部分拡大側面図であり、（ｂ）は同じく部分拡大正面図であり、（ｃ）は同じく部分拡大平面図であり、（ｄ）は同じく部分拡大底面図である。(A) is a partially enlarged side view showing a state in which the blade edge lines of the bladed portions of the upper and lower blades are meshed with each other in the nail clipper of FIG. 2, and (b) is also a partially enlarged front view. ) Is also a partially enlarged plan view, and (d) is also a partially enlarged bottom view. （ａ）は従来の爪切りにおいて上下両刃体の刃付部の刃縁線を互いに噛み合わせた状態を示す一部切欠き側面図であり、（ｂ）は同じく部分拡大正面図であり、（ｃ）は同じく部分拡大平面図であり、（ｄ）は同じく部分拡大底面図である。(A) is a partially cutaway side view showing a state in which the blade edge lines of the bladed portions of the upper and lower blades are meshed with each other in the conventional nail clipper, and (b) is also a partially enlarged front view. c) is also a partially enlarged plan view, and (d) is also a partially enlarged bottom view.

以下、本発明の一実施形態について図１～３を参照して説明する。
図１に示すように、不使用状態にある爪切り１において、第一刃体としての上刃体２は刃体本体３とその刃体本体３に連続する先端部４とを備え、第二刃体としての下刃体５は刃体本体６とその刃体本体６に連続する先端部７とを備え、それらの刃体本体３，６の基端部が互いに取着されているとともに、それらの先端部４，７が互いに離間している。図２に示すように、使用状態にある爪切り１において、操作部材８は、上刃体２の刃体本体３及び下刃体５の刃体本体６に対しそれらの先端部４，７の付近で軸線を中心に回動可能に支持された支軸９と、上刃体２の刃体本体３上で支軸９に対し回動可能に支持された押圧操作てこ１０とを備えている。押圧操作てこ１０が図１に示すように倒伏された不使用状態から図２に示すように支軸９に対し回動されて起立された使用状態で、押圧操作てこ１０により上刃体２の刃体本体３を下刃体５の刃体本体６側へ押圧すると、上刃体２の先端部４と下刃体５の先端部７とは上刃体２及び下刃体５の弾性力に抗して互いに接近するとともに、それらの弾性力により互いに離間する。 Hereinafter, an embodiment of the present invention will be described with reference to FIGS. 1 to 3.
As shown in FIG. 1, in a nail clipper 1 in an unused state, the upper blade body 2 as a first blade body includes a blade body body 3 and a tip portion 4 continuous with the blade body body 3, and a second blade body. The lower blade 5 as a blade includes a blade body 6 and a tip portion 7 continuous with the blade body 6, and the base ends of the blade bodies 3 and 6 are attached to each other and at the same time. Their tips 4 and 7 are separated from each other. As shown in FIG. 2, in the nail clipper 1 in the used state, the operating member 8 has the tip portions 4 and 7 of the blade body 3 of the upper blade 2 and the blade body 6 of the lower blade 5 with respect to the blade body 6. It is provided with a support shaft 9 rotatably supported around an axis in the vicinity, and a pressing operation lever 10 rotatably supported with respect to the support shaft 9 on the blade body 3 of the upper blade body 2. .. In the used state in which the pressing operation lever 10 is rotated with respect to the support shaft 9 and stands up as shown in FIG. 2 from the unused state in which the pressing operation lever 10 is laid down as shown in FIG. When the blade body 3 is pressed toward the blade body 6 side of the lower blade body 5, the tip portion 4 of the upper blade body 2 and the tip portion 7 of the lower blade body 5 are the elastic forces of the upper blade body 2 and the lower blade body 5. They approach each other against each other and separate from each other due to their elastic force.

図３に示すように、上刃体２において、刃体本体３には押圧操作てこ１０により押圧される押圧部１１が形成され、先端部４には刃付部１２が形成されているとともに、押圧部１１の終端部１１ａと刃付部１２とを互いに繋ぐ連結部１３が形成されている。連結部１３の外面と押圧部１１の終端部１１ａの外面と刃付部１２の外面とはそれぞれ境界線１４を介して互いに連続する平坦面になっている。押圧部１１の終端部１１ａの外面を含む面と連結部１３の外面及び刃付部１２の外面との間には刃付部１２に対する視認空間Ｓが生じる。なお、それらの平坦面としては、側面視及び正面視で共に直線状に見えるように形成したり、側面視と正面視とのうち少なくとも一方で曲線状に見えるように形成したりしてもよい。 As shown in FIG. 3, in the upper blade body 2, a pressing portion 11 pressed by a pressing operation lever 10 is formed on the blade body body 3, and a bladed portion 12 is formed on the tip portion 4. A connecting portion 13 is formed to connect the end portion 11a of the pressing portion 11 and the bladed portion 12 to each other. The outer surface of the connecting portion 13, the outer surface of the end portion 11a of the pressing portion 11, and the outer surface of the bladed portion 12 are flat surfaces that are continuous with each other via the boundary line 14, respectively. A viewing space S for the bladed portion 12 is formed between the surface including the outer surface of the end portion 11a of the pressing portion 11 and the outer surface of the connecting portion 13 and the outer surface of the bladed portion 12. The flat surfaces thereof may be formed so as to look linear in both the side view and the front view, or may be formed so as to look curved in at least one of the side view and the front view. ..

また、下刃体５において、刃体本体６には支軸９に対する係止部１５が形成され、先端部７には刃付部１６が形成されているとともに、係止部１５の終端部１５ａと刃付部１６とを互いに繋ぐ連結部１７が形成されている。連結部１７の外面と係止部１５の終端部１５ａの外面と刃付部１６の外面とはそれぞれ境界線１８を介して互いに連続する平坦面になっている。係止部１５の終端部１５ａの外面を含む面と連結部１７の外面及び刃付部１６の外面との間には刃付部１６に対する視認空間Ｓが生じる。なお、それらの平坦面としては、側面視及び正面視で共に直線状に見えるように形成したり、側面視と正面視とのうち少なくとも一方で曲線状に見えるように形成したりしてもよい。 Further, in the lower blade body 5, a locking portion 15 with respect to the support shaft 9 is formed on the blade body body 6, a bladed portion 16 is formed on the tip portion 7, and a terminal portion 15a of the locking portion 15 is formed. A connecting portion 17 for connecting the bladed portion 16 and the bladed portion 16 to each other is formed. The outer surface of the connecting portion 17, the outer surface of the terminal portion 15a of the locking portion 15, and the outer surface of the bladed portion 16 are flat surfaces that are continuous with each other via the boundary line 18, respectively. A viewing space S for the bladed portion 16 is formed between the surface including the outer surface of the end portion 15a of the locking portion 15 and the outer surface of the connecting portion 17 and the outer surface of the bladed portion 16. The flat surfaces thereof may be formed so as to look linear in both the side view and the front view, or may be formed so as to look curved in at least one of the side view and the front view. ..

図３に示すように、上刃体２の先端部４において、押圧部１１の終端部１１ａから下刃体５の先端部７の刃付部１６側へ屈曲された連結部１３でその外面が押圧部１１の終端部１１ａの外面を含む面に対しなす屈曲角度をＡ、連結部１３から下刃体５の先端部７の刃付部１６側へ屈曲された刃付部１２でその外面が連結部１３の外面に対しなす屈曲角度をＢ、刃付部１２の外面が押圧部１１の終端部１１ａの外面を含む面に対しなす屈曲角度をＣとした場合、Ａ≦Ｂ＜Ｃに設定されている。 As shown in FIG. 3, in the tip portion 4 of the upper blade body 2, the outer surface thereof is a connecting portion 13 bent from the end portion 11a of the pressing portion 11 to the bladed portion 16 side of the tip portion 7 of the lower blade body 5. The bending angle formed with respect to the surface including the outer surface of the end portion 11a of the pressing portion 11 is A, and the outer surface thereof is the bladed portion 12 bent from the connecting portion 13 toward the bladed portion 16 of the tip portion 7 of the lower blade body 5. When B is the bending angle formed by the outer surface of the connecting portion 13 and C is the bending angle formed by the outer surface of the bladed portion 12 with respect to the surface including the outer surface of the end portion 11a of the pressing portion 11, A ≦ B <C is set. Has been done.

また、下刃体５の先端部７において、係止部１５の終端部１５ａから上刃体２の先端部４の刃付部１２側へ屈曲された連結部１７でその外面が係止部１５の終端部１５ａの外面を含む面に対しなす屈曲角度をＤ、連結部１７から上刃体２の先端部４の刃付部１２側へ屈曲された刃付部１６でその外面が連結部１７の外面に対しなす屈曲角度をＥ、刃付部１６の外面が係止部１５の終端部１５ａの外面を含む面に対しなす屈曲角度をＦとした場合、Ｄ≦Ｅ＜Ｆに設定されている。 Further, in the tip portion 7 of the lower blade body 5, the outer surface of the connecting portion 17 is bent from the end portion 15a of the locking portion 15 toward the bladed portion 12 of the tip portion 4 of the upper blade body 2, and the outer surface thereof is the locking portion 15. The bending angle formed with respect to the surface including the outer surface of the end portion 15a is D, and the outer surface of the connecting portion 17 is a bladed portion 16 bent from the connecting portion 17 toward the bladed portion 12 of the tip portion 4 of the upper blade body 2. When the bending angle formed with respect to the outer surface of the bladed portion 16 is E and the bending angle formed by the outer surface of the bladed portion 16 with respect to the surface including the outer surface of the end portion 15a of the locking portion 15 is set to D≤E <F. There is.

上刃体２の先端部４の屈曲角度Ａ，Ｂ，Ｃと下刃体５の先端部７の屈曲角度Ｄ，Ｅ，Ｆとは同一に設定されている。屈曲角度Ａ，Ｄを１０度以上５０度以下の鋭角に設定し、好ましくは１２度以上４０度以下の鋭角に、さらに好ましくは１５度以上２５度以下の鋭角に設定することができる。屈曲角度Ｂ，Ｅを２０度以上８０度以下の鋭角に設定し、好ましくは３０度以上７０度以下の鋭角に、さらに好ましくは４５度以上６０度以下の鋭角に設定することができる。屈曲角度Ｃ，Ｆを４０度以上９０度未満の鋭角に設定し、好ましくは４５度以上８０度以下の鋭角に、さらに好ましくは６０度以上７５度以下の鋭角に設定することができる。 The bending angles A, B, C of the tip portion 4 of the upper blade body 2 and the bending angles D, E, F of the tip portion 7 of the lower blade body 5 are set to be the same. The bending angles A and D can be set to an acute angle of 10 degrees or more and 50 degrees or less, preferably an acute angle of 12 degrees or more and 40 degrees or less, and more preferably an acute angle of 15 degrees or more and 25 degrees or less. The bending angles B and E can be set to an acute angle of 20 degrees or more and 80 degrees or less, preferably an acute angle of 30 degrees or more and 70 degrees or less, and more preferably an acute angle of 45 degrees or more and 60 degrees or less. The bending angles C and F can be set to an acute angle of 40 degrees or more and less than 90 degrees, preferably an acute angle of 45 degrees or more and 80 degrees or less, and more preferably an acute angle of 60 degrees or more and 75 degrees or less.

次に、爪切り１の使用例を述べる。
図２に示す使用状態で、使用者の爪ではなく使用者以外の爪、例えば赤ちゃんや幼児の爪に上下両刃体２，５の先端部４，７を向け、上刃体２の先端部４の刃付部１２を押圧操作てこ１０の上方や上刃体２の基端部側上方から刃付部１２に対する視認空間Ｓを通して見ながら、押圧操作てこ１０を操作することができる。また、下刃体５の先端部７の刃付部１６を支軸９の下方や下刃体５の基端部側下方から刃付部１６に対する視認空間Ｓを通して見ながら、押圧操作てこ１０を操作することができる。 Next, an example of using the nail clipper 1 will be described.
In the usage state shown in FIG. 2, the tips 4 and 7 of the upper and lower double-edged blades 2 and 5 are directed toward the nails other than the user, for example, the nails of a baby or an infant, instead of the user's nails, and the tip portion 4 of the upper blade body 2 is directed. The pressing operation lever 10 can be operated while viewing the bladed portion 12 from above the bladed portion 10 or from above the base end portion side of the upper blade body 2 through the viewing space S for the bladed portion 12. Further, while looking at the bladed portion 16 of the tip portion 7 of the lower blade body 5 from below the support shaft 9 or below the base end portion side of the lower blade body 5 through the viewing space S with respect to the bladed portion 16, the pressing operation lever 10 is pressed. Can be operated.

本実施形態は下記の効果を有する。
上刃体２の先端部４において、刃体本体３の終端部１１ａと刃付部１２との間にはその終端部１１ａから屈曲された連結部１３を設けている。連結部１３の平坦外面が終端部１１ａの平坦外面を含む面に対しなす屈曲角度Ａを１０度以上５０度以下の鋭角に設定し、刃付部１２の平坦外面が連結部１３の平坦外面に対しなす屈曲角度Ｂを２０度以上８０度以下の鋭角に設定し、刃付部１２の平坦外面が終端部１１ａの平坦外面を含む面に対しなす屈曲角度Ｃを４０度以上９０度未満の鋭角に設定している。その場合、Ａ≦Ｂ＜Ｃの関係が成り立ち、上刃体２において刃体本体３の終端部１１ａの平坦外面を含む面と連結部１３の平坦外面及び刃付部１２の平坦外面との間には刃付部１２に対する視認空間Ｓを設けることができる。その視認空間Ｓにより、使用時に上下両刃体２，５の先端部４，７の刃付部１２，１６間で切断される爪の先端部を押圧操作てこ１０の上方や上刃体２の基端部側上方から見易くすることができる。従って、使用者以外の爪、例えば赤ちゃんや幼児の爪も切断し易い。また、使用者自身の爪を切断することもできる。 This embodiment has the following effects.
In the tip portion 4 of the upper blade body 2, a connecting portion 13 bent from the end portion 11a is provided between the end portion 11a of the blade body main body 3 and the blade attachment portion 12. The bending angle A formed by the flat outer surface of the connecting portion 13 with respect to the surface including the flat outer surface of the terminal portion 11a is set to an acute angle of 10 degrees or more and 50 degrees or less, and the flat outer surface of the bladed portion 12 becomes the flat outer surface of the connecting portion 13. The bending angle B is set to an acute angle of 20 degrees or more and 80 degrees or less, and the bending angle C formed by the flat outer surface of the bladed portion 12 with respect to the surface including the flat outer surface of the end portion 11a is an acute angle of 40 degrees or more and less than 90 degrees. Is set to. In that case, the relationship of A≤B <C is established, and between the surface including the flat outer surface of the end portion 11a of the blade body 3 and the flat outer surface of the connecting portion 13 and the flat outer surface of the bladed portion 12 in the upper blade body 2. Can be provided with a viewing space S for the bladed portion 12. With the visual recognition space S, the tip of the claw that is cut between the bladed portions 12 and 16 of the tips 4 and 7 of the upper and lower blades 2 and 5 during use is pressed and operated above the lever 10 and the base of the upper blade 2. It can be easily seen from above the end side. Therefore, it is easy to cut nails other than the user, such as the nails of babies and infants. It is also possible to cut the user's own nails.

前記実施形態以外にも例えば下記のように構成してもよい。
・ 前記実施形態において、上下両刃体２，５の先端部４，７の連結部１３，１７でその外面を平坦面でなく凹状面または凸状面に形成することができる。 In addition to the above-described embodiment, for example, the following configuration may be used.
-In the above embodiment, the outer surface of the connecting portions 13 and 17 of the tip portions 4 and 7 of the upper and lower double-edged blades 2 and 5 can be formed as a concave surface or a convex surface instead of a flat surface.

・ 前記実施形態において、上下両刃体２，５の先端部４，７の連結部１３，１７でその外面を平坦面や凹状面や凸状面を複数連続させて形成することができる。
・ 前記実施形態において、上刃体２の先端部４の屈曲角度Ａ，Ｂ，Ｃと下刃体５の先端部７の屈曲角度Ｄ，Ｅ，Ｆとは同一に設定されているが、その屈曲角度Ａ，Ｂ，Ｃと屈曲角度Ｄ，Ｅ，Ｆとを異なるものに設定することができる。 -In the above embodiment, the outer surfaces of the connecting portions 13 and 17 of the tip portions 4 and 7 of the upper and lower double-edged blades 2 and 5 can be formed by continuously forming a plurality of flat surfaces, concave surfaces and convex surfaces.
-In the above embodiment, the bending angles A, B, C of the tip portion 4 of the upper blade body 2 and the bending angles D, E, F of the tip portion 7 of the lower blade body 5 are set to be the same. The bending angles A, B, and C and the bending angles D, E, and F can be set differently.

・ 前記実施形態においては、上刃体２の先端部４に連結部１３を形成するとともに、下刃体５の先端部７に連結部１７を形成しているが、下刃体５側の連結部１７を省略することができる。 In the above embodiment, the connecting portion 13 is formed on the tip portion 4 of the upper blade body 2 and the connecting portion 17 is formed on the tip portion 7 of the lower blade body 5, but the connecting portion on the lower blade body 5 side is connected. The unit 17 can be omitted.

１…爪切り、２…上刃体（第一刃体）、３…上刃体の刃体本体、４…上刃体の先端部、５…下刃体（第二刃体）、６…下刃体の刃体本体、７…下刃体の先端部、８…操作部材、１０…操作部材の押圧操作てこ、１１…上刃体の押圧部、１１ａ…押圧部の終端部、１２…上刃体の刃付部、１３…上刃体の連結部、１５…下刃体の係止部、１５ａ…係止部の終端部、１６…下刃体の刃付部、１７…下刃体の連結部、Ｓ…視認空間。 1 ... Claw cutting, 2 ... Upper blade (first blade), 3 ... Upper blade body, 4 ... Upper blade tip, 5 ... Lower blade (second blade), 6 ... The blade body of the lower blade, 7 ... the tip of the lower blade, 8 ... the operating member, 10 ... the pressing operation of the operating member, 11 ... the pressing portion of the upper blade, 11a ... the end of the pressing portion, 12 ... Upper blade with blade, 13 ... Upper blade connection, 15 ... Lower blade locking, 15a ... Locking end, 16 ... Lower blade with blade, 17 ... Lower blade Body connection, S ... Visual space.

Claims (4)

先端部に刃付部を有する第一刃体と先端部に刃付部を有する第二刃体とを備え、操作部材により第一刃体の先端部の刃付部と第二刃体の先端部の刃付部とを互いに接近及び離間させることができる爪切りにおいて、
前記操作部材は、前記第一刃体及び前記第二刃体に対し軸線を中心に回動可能に支持された支軸と、前記第一刃体上で前記支軸に対し回動可能に支持された押圧操作てことを備え、前記押圧操作てこが前記第一刃体を直接押圧するように構成されており、
第一刃体の先端部には、第一刃体の刃体本体の終端部から第二刃体の先端部の刃付部側へ屈曲された連結部と、この連結部から第二刃体の先端部の刃付部側へ屈曲された刃付部とを設け、
前記第一刃体の先端部において、刃体本体の終端部から第二刃体の先端部の刃付部側へ屈曲された連結部でその外面が刃体本体の終端部の外面に対しなす屈曲角度をＡ、この連結部から第二刃体の先端部の刃付部側へ屈曲された刃付部でその外面がこの連結部の外面に対しなす屈曲角度をＢ、この刃付部の外面が刃体本体の終端部の外面に対しなす屈曲角度をＣとした場合、Ａ＜Ｂ＜Ｃに設定し、
前記第一刃体の先端部において、屈曲角度Ａは１５度以上２５度以下の鋭角に設けられ、屈曲角度Ｂは４５度以上６０度以下の鋭角に設けられ、屈曲角度Ｃは６０度以上７５度以下の鋭角に設けられることによって、前記刃体本体の終端部の外面を含む面とこの連結部の外面及び刃付部の外面との間に刃付部に対する視認空間を設け、
前記第二刃体の先端部にも第二刃体の刃体本体の終端部と第二刃体の先端部の刃付部とを互いに繋ぐ連結部を設け、この第二刃体の先端部において、この連結部の外面が刃体本体の終端部の外面に対しなす屈曲角度をＤ、この刃付部の外面がこの連結部の外面に対しなす屈曲角度をＥ、この刃付部の外面が刃体本体の終端部の外面に対しなす屈曲角度をＦとした場合、Ｄ≦Ｅ＜Ｆに設定したことを特徴とする爪切り。 A first blade having a bladed portion at the tip and a second blade having a bladed portion at the tip are provided, and the bladed portion at the tip of the first blade and the tip of the second blade are provided by an operating member. In a nail clipper that can approach and separate from the bladed part of the part
The operating member has a support shaft rotatably supported with respect to the first blade body and the second blade body about an axis, and rotatably supported with respect to the support shaft on the first blade body. The pressing operation is provided, and the pressing operation lever is configured to directly press the first blade.
At the tip of the first blade, there is a connecting part that is bent from the end of the blade body of the first blade to the bladed part of the tip of the second blade, and from this connecting part to the second blade. A bladed part that is bent toward the bladed part of the tip of the
At the tip of the first blade, a connecting portion bent from the end of the blade body to the bladed portion side of the tip of the second blade, the outer surface of which is formed with respect to the outer surface of the end of the blade body. The bending angle is A, the bending angle formed by the outer surface of the bladed portion bent from this connecting portion to the bladed portion side of the tip of the second blade with respect to the outer surface of this connecting portion is B, and the bladed portion of this bladed portion. When the bending angle formed by the outer surface with respect to the outer surface of the end of the blade body is C, set A <B <C and set.
At the tip of the first blade, the bending angle A is provided at an acute angle of 15 degrees or more and 25 degrees or less, the bending angle B is provided at an acute angle of 45 degrees or more and 60 degrees or less, and the bending angle C is provided at an acute angle of 60 degrees or more and 75 degrees or more. By providing it at an acute angle of degrees or less, a viewing space for the bladed portion is provided between the surface including the outer surface of the end portion of the blade body and the outer surface of the connecting portion and the outer surface of the bladed portion.
The tip of the second blade is also provided with a connecting portion for connecting the end of the blade body of the second blade and the bladed portion of the tip of the second blade to each other, and the tip of the second blade is provided. The bending angle formed by the outer surface of the connecting portion with respect to the outer surface of the end portion of the blade body is D, the bending angle formed by the outer surface of the bladed portion with respect to the outer surface of the connecting portion is E, and the outer surface of the bladed portion is defined as E. When the bending angle formed by the blade with respect to the outer surface of the end portion of the blade body is F, the claw cutting is characterized in that D ≦ E <F. 前記第一刃体の先端部において、連結部の外面と刃体本体の終端部の外面と刃付部の外面とはそれぞれ互いに連続する平坦面になっていることを特徴とする請求項１に記載の爪切り。 The first aspect of the present invention is characterized in that, in the tip end portion of the first blade body, the outer surface of the connecting portion, the outer surface of the end portion of the blade body body, and the outer surface of the bladed portion are flat surfaces that are continuous with each other. The described nail clippers. 前記操作部材は第一刃体に対し回動可能に支持した押圧操作てこを備え、この第一刃体の刃体本体にはその押圧操作てこにより第二刃体側へ押圧される押圧部を設け、前記刃体本体の終端部はこの押圧部の終端部であることを特徴とする請求項１又は２に記載の爪切り。 The operation member is provided with a pressing operation lever that is rotatably supported on the first blade body, and the blade body body of the first blade body is provided with a pressing portion that is pressed toward the second blade body side by the pressing operation lever. The nail clipper according to claim 1 or 2 , wherein the end portion of the blade body is the end portion of the pressing portion. 前記第二刃体の先端部において、第一刃体の先端部の屈曲角度Ａ，Ｂ，Ｃと同一の屈曲角度Ｄ，Ｅ，Ｆに設定されていることを特徴とする請求項１～３のうちいずれか一つの請求項に記載の爪切り。 Claims 1 to 3 are characterized in that the tip of the second blade is set to the same bending angles D, E, and F as the bending angles A, B, and C of the tip of the first blade. Nail clippers according to any one of the claims .
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Citations (5)

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WO2002067720A1 (en) 2001-02-26 2002-09-06 Boyne Limited Iom Nail clippers
JP2005192716A (en) 2004-01-05 2005-07-21 Nk Group Hanbai Kk Nail cutting tool and nail cutting tool cover
CN102058229A (en) 2009-11-16 2011-05-18 777株式会社 Nail clippers with detachable blade body
CN104720265A (en) 2013-12-20 2015-06-24 黄晨曦 Nail clippers
CN205338030U (en) 2016-01-12 2016-06-29 黄伟明 Indicate multi -functional nail clippers convenient to edge shearing degree is repaiied in adjustment

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR200465859Y1 (en) * 2009-12-28 2013-03-21 김은대 Nail Clipper

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2002067720A1 (en) 2001-02-26 2002-09-06 Boyne Limited Iom Nail clippers
JP2005192716A (en) 2004-01-05 2005-07-21 Nk Group Hanbai Kk Nail cutting tool and nail cutting tool cover
CN102058229A (en) 2009-11-16 2011-05-18 777株式会社 Nail clippers with detachable blade body
CN104720265A (en) 2013-12-20 2015-06-24 黄晨曦 Nail clippers
CN205338030U (en) 2016-01-12 2016-06-29 黄伟明 Indicate multi -functional nail clippers convenient to edge shearing degree is repaiied in adjustment

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