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WO2013021474A1 - Nail clipper - Google Patents

Nail clipper Download PDF

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Publication number
WO2013021474A1
WO2013021474A1 PCT/JP2011/068231 JP2011068231W WO2013021474A1 WO 2013021474 A1 WO2013021474 A1 WO 2013021474A1 JP 2011068231 W JP2011068231 W JP 2011068231W WO 2013021474 A1 WO2013021474 A1 WO 2013021474A1
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WO
WIPO (PCT)
Prior art keywords
nail
cutting
blade
cut
nail clipper
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.)
Ceased
Application number
PCT/JP2011/068231
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French (fr)
Japanese (ja)
Inventor
石田卓也
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
KOWASHOJI Co Ltd
Original Assignee
KOWASHOJI Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by KOWASHOJI Co Ltd filed Critical KOWASHOJI Co Ltd
Priority to PCT/JP2011/068231 priority Critical patent/WO2013021474A1/en
Priority to US14/237,679 priority patent/US20140202003A1/en
Priority to JP2012534485A priority patent/JP5110551B1/en
Priority to CN201280038943.2A priority patent/CN103717107A/en
Priority to PCT/JP2012/060811 priority patent/WO2013021693A1/en
Publication of WO2013021474A1 publication Critical patent/WO2013021474A1/en
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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    • A—HUMAN NECESSITIES
    • A45—HAND OR TRAVELLING ARTICLES
    • A45D—HAIRDRESSING OR SHAVING EQUIPMENT; EQUIPMENT FOR COSMETICS OR COSMETIC TREATMENTS, e.g. FOR MANICURING OR PEDICURING
    • A45D29/00—Manicuring or pedicuring implements
    • A45D29/02—Nail clippers or cutters

Definitions

  • This invention relates to nail clippers.
  • the present invention relates to a nail clipper that is suitable for gently and gently cutting a nail without giving an unnatural deformation to the nail.
  • Patent Documents 1 and 2 Considering the shape of the human nail, the following nail clipper proposals aim to gently and gently cut the nail without causing unnatural deformation when cutting the nail: (For example, Patent Documents 1 and 2).
  • FIGS. 1A, 1B, and 2 show an example of a conventional nail clipper.
  • 1A and 1B are clip-type nail clippers
  • FIG. 2 is a nipper-type nail clipper.
  • the upper plate 50 and the tip of the lower plate 51 (the front side in FIG. 1A) integrated with each other on the base end side (the back side in FIG. 1A).
  • the cutting blade 52 and the cutting blade 53 are formed to face each other.
  • Support pins 54 are inserted in the top-bottom direction on the tip side of the upper plate 50 and the lower plate 51.
  • the base end side (the lower side in FIG. 1A) of the pressing operation plate 55 is rotatably supported on the upper end portion of the support pin 54 on the upper plate 50 side.
  • a lever portion 56 is formed on the proximal end side of the pressing operation plate 55. As shown in FIG. 1A, the lever portion 56 faces downward and is in contact with the upper surface of the upper plate 50, and the distal end side (upper side in FIG. 1A) 55a of the pressing operation plate 55. Is pushed down around the base end side that is rotatably supported by the support pin 54. As a result, the lever 56 presses the upper surface of the upper plate 50, and the cutting edge 57 formed at the distal end of the upper cutting blade 52 and the cutting edge 58 formed at the distal end of the lower cutting blade 53. However, they approach each other as indicated by arrows 60 and 61. In this way, the nail (not shown) to be cut is sandwiched between the upper blade edge 57 and the lower blade edge 58 facing the upper blade edge 57 and cut.
  • the hinge portion 70a of the other lever 70 is rotatably attached to the shaft 72 fixed to the hinge portion 71a of the one lever 71.
  • the cutting blade 73 currently formed in the front end side of the levers 70 and 71 and the cutting blade 74 have mutually opposed.
  • Cutting edges are respectively formed at the tip portions of the cutting blade 73 and the cutting blade 74 facing each other.
  • the cutting edge is structured to bend with curvatures corresponding to each other. This is a convex cutting edge in which the cutting edge formed at the tip of the cutting blade 73 is convex, and the concave cutting edge is formed in the leading edge of the cutting blade 74.
  • human nails to be cut generally have various shapes when viewed from the tip side of the nails.
  • it when viewed from the tip side of the nail, it may be curved downward as it goes from the center to the left and right sides, or the center may be flat and the left and right may be curved.
  • the entire shape when viewed from the front end side of the nail, there is a case where the entire shape is flat from the left side to the right side.
  • the conventional nail clippers shown in FIGS. 1 (a), 1 (b), and 2 are proposed in consideration of the shape and structure of the human nail.
  • the upper blade edge 57 and the lower blade edge 58 facing each other move away from the center portions 57a and 58a to the left and right sides, respectively.
  • the structures were curved toward the lower side with the corresponding curvatures.
  • the cutting edges formed at the tip portions of the facing cutting blades 73 and 74 are respectively a convex cutting edge and a concave cutting edge that are curved with curvatures corresponding to each other.
  • the structure was adopted.
  • it has been aimed to gently and gently cut the nail without giving an unnatural deformation to the nail when the nail is cut.
  • this invention proposes a nail clipper that is suitable for cutting the nail gently and gently without giving unnatural deformation to the nail when cutting the nail in consideration of the shape of the human nail.
  • the purpose is to do.
  • the invention described in claim 1 One blade edge formed at the tip of one of the opposing cutting blades and the other blade edge formed at the tip of the other cutting blade approach each other, and the nail to be cut between them In the nail clipper that cuts the nail across
  • the one blade edge and the other blade edge are continuous with each other in a direction orthogonal to a direction in which both of the blade edges move so as to approach each other, and a linear portion extending in parallel to each other, and the linear portion,
  • the invention according to claim 2 The nail clipper according to claim 1, wherein the curved portions are formed on both sides of the linear portion in a direction in which the linear portion extends.
  • a nail clipper that is more suitable by gently and gently cutting the nail without giving unnatural deformation to the nail when the nail is cut is provided. can do.
  • FIG. 1 It is a figure showing an example of the conventional clip type nail clipper, Comprising: (a) is a front view in the state to use, (b) is an enlarged front view of the blade edge
  • the nail clipper 1 of the present invention shown in FIGS. 3 (a) and 3 (b) is a clip-type nail clipper, and its basic structure is the conventional structure described with reference to FIGS. 1 (a) and 1 (b). Same as clip-type nail clippers.
  • the upper plate 2 and the lower plate 3 are integrated with each other on the base end side (the back side in FIG. 3A and the left side in FIG. 4).
  • a cutting blade 4 and a cutting blade 5 are formed opposite to each other at the tips of the upper plate 2 and the lower plate 3 (the front side in FIG. 3A and the right side in FIG. 4).
  • Support pins 6 are inserted in the top-bottom direction on the tip side of the upper plate 2 and the lower plate 3.
  • the base end side of the pressing operation plate 7 (the lower side in FIG. 3A and the right side in FIG. 4) is rotatably supported by the upper end portion of the support pin 6 on the upper plate 2 side.
  • a lever portion 8 is formed on the proximal end side of the pressing operation plate 7. As shown in FIG. 3A, the tip end side 7 a of the pressing operation plate 7 can be rotated to the support pin 6 with the lever portion 8 facing downward and in contact with the upper surface of the upper plate 2. Press down with the base end side supported by the center. Thereby, the lever portion 8 presses the upper surface of the upper plate 2, and the blade edge 9 formed at the distal end portion of the cutting blade 4 and the blade edge 10 formed at the distal end portion of the cutting blade 5 are indicated by arrows 11, As shown at 12, they approach each other. In this way, a claw (not shown) to be cut is sandwiched between the upper blade edge 9 and the opposed lower blade edge 10 and cut.
  • the opposing cutting edge 9 and the cutting edge 10 have arrows 11 that move so that both approach each other, 12, linear portions 9a and 10a extending in parallel and facing each other are provided in directions orthogonal to the direction indicated by 12, respectively.
  • the blade edge 9 and the blade edge 10 are provided with curved portions 9b, 9c, 10b, and 10c that are continuous with the linear portions 9a and 10a and that are curved and extended with corresponding curvatures.
  • the curved portions 9b, 9c, 10b, and 10c are provided on both sides of the linear portions 9a and 10a in the direction in which the linear portions 9a and 10a extend. Is formed.
  • the nail clipper 1 of the present invention when the nail is cut by the nail clipper 1 of the present invention, it is made to correspond appropriately to the shape of various human nails, and when the nail is cut, the nail is not deformed unnaturally, gently and gently.
  • the nail that curves downward as it goes from the center to the left and right sides is represented by the reference numerals 9b of the blade edges 9 and 10 in FIG.
  • Cutting is performed by a curved portion indicated by reference numeral 10b, or by a curved portion indicated by reference numerals 9c and 10c.
  • the central flat portion is opposed to each other indicated by reference numerals 9a and 10a of the blade edges 9, 10 in FIG. 3B. And cut at straight parts that extend in parallel.
  • the left and right curved portions are indicated by curved portions indicated by reference numerals 9b and 10b of the cutting edges 9 and 10 in FIG. 3B, or indicated by reference numerals 9c and 10c. Cut by the curved part that is being cut.
  • the three types of nails having different shapes as described above all correspondingly properly, gently and gently nail-free without giving unnatural deformation to the nail when cutting the nail Can be cut.
  • the nail clipper 31 of the present invention shown in FIGS. 5A and 5B is a nipper type nail clipper, and its basic structure is the same as the conventional nipper type nail clipper described with reference to FIG. It is.
  • the hinge part 20a of the other lever 20 is rotatably attached to the shaft 22 fixed to the hinge part 21a of the one lever 21.
  • the cutting blade 23 currently formed in the front end side of the levers 20 and 21 and the cutting blade 24 have mutually opposed.
  • Cutting edges 25 and 26 are formed at the tip portions of the cutting blade 23 and the cutting blade 24 facing each other.
  • the cutting edge 25 and the cutting edge 26 facing each other are opposed to each other in directions orthogonal to directions indicated by arrows 29 and 30 that move so as to approach each other.
  • Linear portions 25a and 26a extending in parallel with each other.
  • the blade edge 25 and the blade edge 26 are provided with curved portions 25b and 26b which are continuous with the linear portions 25a and 26a and bend and extend with curvatures corresponding to each other.
  • the curved portions 25b and 26b are formed on one side of the linear portions 25a and 25a in the direction in which the linear portions 25a and 26a extend. ing.
  • the opposed cutting edges 25 and 26 have such a characteristic structure, when the nail is cut, the shape of the human nail is appropriately set. Correspondingly, the nail can be cut gently and gently without giving an unnatural deformation to the nail.
  • the nail that curves downward as it goes from the center to the left and right sides is indicated by reference numerals 25b and 26b of the blade edges 25 and 26 in FIG. Cut by the curved part that is.
  • the central flat portion is opposed to each other indicated by reference numerals 25a and 26a of the blade edges 25 and 26 in FIG. And cut at straight parts that extend in parallel.
  • the left and right curved portions are cut by the curved portions indicated by reference numerals 25b and 26b of the blade edges 25 and 26 in FIG. 5A.
  • the nail clipper 31 of the present invention the nail having the three different shapes as described above, all correspondingly properly, gently and gently without giving the unnatural deformation to the nail when cutting the nail. Can be cut.

Landscapes

  • Scissors And Nippers (AREA)

Abstract

Provided is a nail clipper which takes into account the shape of the human nail and does not cause unnatural deformations to the nail when cutting the nail, and which is suitable for cutting the nail gently and softly. This nail clipper cuts a nail by bringing one cutting edge formed on a tip of one cutting blade close to another cutting edge formed on a tip of another cutting blade, the cutting edges being disposed facing each other, placing the nail to be cut between the two cutting edges, and bringing the cutting edges into contact with each other. The one cutting edge and the other cutting edge each has, in a direction perpendicular to the direction in which each cutting edge moves so as to approach each other, a straight line portion which faces and extends parallel to each other and a curved portion which continues from the straight line portion and which curves and extends at a curvature corresponding to each other.

Description

爪切りNail clippers

　この発明は爪切りに関する。特に、爪を切るときに爪に不自然な変形を与えることがなく、優しく、穏やかに爪の切断を行うことに適した爪切りに関する。 This invention relates to nail clippers. In particular, the present invention relates to a nail clipper that is suitable for gently and gently cutting a nail without giving an unnatural deformation to the nail.

　対向している一方の切断刃の先端部に形成されている一方の刃先と、他方の切断刃の先端部に形成されている他方の刃先とが互いに接近し、両者の間に切断対象の爪を挟んで前記爪を切断する爪切りについては従来から種々の提案が行われている。 One blade edge formed at the tip of one of the opposing cutting blades and the other blade edge formed at the tip of the other cutting blade approach each other, and the nail to be cut between them Various proposals have been made for nail clippers that cut the nail with a pinch interposed therebetween.

　人間の爪の形状を考慮して、爪を切るときに爪に不自然な変形を与えることがなく、優しく、穏やかに爪の切断を行うことを目指した爪切りについての提案も以下のように行われている（例えば、特許文献１、２）。 Considering the shape of the human nail, the following nail clipper proposals aim to gently and gently cut the nail without causing unnatural deformation when cutting the nail: (For example, Patent Documents 1 and 2).

　図１（ａ）、（ｂ）、図２は、従来の爪切りの一例を表すものである。図１（ａ）、（ｂ）はクリップ型の爪切り、図２はニッパー型の爪切りである。 FIGS. 1A, 1B, and 2 show an example of a conventional nail clipper. 1A and 1B are clip-type nail clippers, and FIG. 2 is a nipper-type nail clipper.

　クリップ型の爪切りでは、一般的に、基端側（図１（ａ）における背後側）で互いに一体化されている上板５０と、下板５１の先端（図１（ａ）における正面側）に、切断刃５２と、切断刃５３とが互いに対向して形成されている。上板５０、下板５１の先端側には上下方向に支持ピン５４が挿通されている。支持ピン５４の上板５０側の上端部に、押圧操作板５５の基端側（図１（ａ）における下側）が回動可能に支持されている。 In the clip-type nail clipper, generally, the upper plate 50 and the tip of the lower plate 51 (the front side in FIG. 1A) integrated with each other on the base end side (the back side in FIG. 1A). ), The cutting blade 52 and the cutting blade 53 are formed to face each other. Support pins 54 are inserted in the top-bottom direction on the tip side of the upper plate 50 and the lower plate 51. The base end side (the lower side in FIG. 1A) of the pressing operation plate 55 is rotatably supported on the upper end portion of the support pin 54 on the upper plate 50 side.

　押圧操作板５５の基端側には、てこ部５６が形成されている。てこ部５６が、図１（ａ）図示のように、下側に向いて上板５０の上面に当接している状態で、押圧操作板５５の先端側（図１（ａ）における上側）５５ａを、支持ピン５４に回動可能に支持されている基端側を中心にして押し下げる。これによって、てこ部５６が上板５０の上面を押圧し、上側の切断刃５２の先端部に形成されている刃先５７と、下側の切断刃５３の先端部に形成されている刃先５８とが、矢印６０、６１で示すように、互いに接近する。こうして、上側の刃先５７と、対向する下側の刃先５８との間に切断対象の爪（不図示）が挟まれ、切断されるようになっている。 A lever portion 56 is formed on the proximal end side of the pressing operation plate 55. As shown in FIG. 1A, the lever portion 56 faces downward and is in contact with the upper surface of the upper plate 50, and the distal end side (upper side in FIG. 1A) 55a of the pressing operation plate 55. Is pushed down around the base end side that is rotatably supported by the support pin 54. As a result, the lever 56 presses the upper surface of the upper plate 50, and the cutting edge 57 formed at the distal end of the upper cutting blade 52 and the cutting edge 58 formed at the distal end of the lower cutting blade 53. However, they approach each other as indicated by arrows 60 and 61. In this way, the nail (not shown) to be cut is sandwiched between the upper blade edge 57 and the lower blade edge 58 facing the upper blade edge 57 and cut.

　ニッパー型の爪切りでは、一般的に、一方のレバー７１のヒンジ部７１ａに固定されている軸７２に、他方のレバー７０のヒンジ部７０ａが回動可能に取り付けられている。そして、レバー７０、７１の先端側に形成されている切断刃７３と、切断刃７４とが互いに対向している。切断刃７３、切断刃７４の互いに対向する先端部にはそれぞれ刃先（不図示）が形成されている。図示の従来例では、この刃先は、互いに対応している曲率で湾曲している構造になっている。切断刃７３の先端部に形成されている刃先が凸湾しているコンベックス刃先であり、切断刃７４の先端部に形成されている刃先が凹湾しているコンケーブ刃先である。 In the nipper-type nail clipper, generally, the hinge portion 70a of the other lever 70 is rotatably attached to the shaft 72 fixed to the hinge portion 71a of the one lever 71. And the cutting blade 73 currently formed in the front end side of the levers 70 and 71 and the cutting blade 74 have mutually opposed. Cutting edges (not shown) are respectively formed at the tip portions of the cutting blade 73 and the cutting blade 74 facing each other. In the conventional example shown in the drawing, the cutting edge is structured to bend with curvatures corresponding to each other. This is a convex cutting edge in which the cutting edge formed at the tip of the cutting blade 73 is convex, and the concave cutting edge is formed in the leading edge of the cutting blade 74.

　軸７２を中心にしてレバー７０、７１を矢印７５、７６で示すように握ると、切断刃７３の先端部に形成されている一方の刃先と、切断刃７４の先端部に形成されている他方の刃先とが、矢印７７、７８で示すように、互いに接近する。これによって、両者の間に切断対象の爪（不図示）が挟まれ、切断される。 When the levers 70 and 71 are gripped as indicated by arrows 75 and 76 around the shaft 72, one blade tip formed at the tip of the cutting blade 73 and the other formed at the tip of the cutting blade 74 As shown by arrows 77 and 78. As a result, a nail (not shown) to be cut is sandwiched between the two and cut.

　ところで、切断対象の人間の爪は、爪の先端側から見たときに、様々な形状になっているのが一般的である。例えば、爪の先端側から見たときに、中央部から左右両側に向かうにつれて下向きに湾曲していたり、中央部が平らで左右が湾曲している形状になっていることがある。また、爪の先端側から見たときに、左側から右側まで全部が平らな形状である場合もある。 By the way, human nails to be cut generally have various shapes when viewed from the tip side of the nails. For example, when viewed from the tip side of the nail, it may be curved downward as it goes from the center to the left and right sides, or the center may be flat and the left and right may be curved. In addition, when viewed from the front end side of the nail, there is a case where the entire shape is flat from the left side to the right side.

　図１（ａ）、（ｂ）、図２図示の従来の爪切りは、このような人間の爪の形状、構造を考慮して提案されたものである。図１（ａ）、（ｂ）図示の従来の爪切りでは、対向している上側の刃先５７と、下側の刃先５８とが、それぞれ、中央部５７ａ、５８ａから左右両側に離れるにしたがって、下側に向かって、互いに、対応している曲率で湾曲する構造になっていた。図２図示の従来の爪切りでは、対向している切断刃７３、７４の先端部に形成されている刃先を、それぞれ、互いに対応している曲率で湾曲しているコンベックス刃先、コンケーブ刃先にする構造が採用されていた。これによって、人間の爪の形状を考慮して、爪を切るときに爪に不自然な変形を与えることがなく、優しく、穏やかに爪の切断を行うことが目指されていた。 The conventional nail clippers shown in FIGS. 1 (a), 1 (b), and 2 are proposed in consideration of the shape and structure of the human nail. In the conventional nail clipper shown in FIGS. 1 (a) and 1 (b), the upper blade edge 57 and the lower blade edge 58 facing each other move away from the center portions 57a and 58a to the left and right sides, respectively. The structures were curved toward the lower side with the corresponding curvatures. In the conventional nail clipper shown in FIG. 2, the cutting edges formed at the tip portions of the facing cutting blades 73 and 74 are respectively a convex cutting edge and a concave cutting edge that are curved with curvatures corresponding to each other. The structure was adopted. Thus, in consideration of the shape of a human nail, it has been aimed to gently and gently cut the nail without giving an unnatural deformation to the nail when the nail is cut.

特開２００１－４６１４２号公報JP 2001-46142 A 米国特許第４６３７１３７号公報U.S. Pat. No. 4,637,137

　人間の爪の形状を考慮して、爪を切るときに爪に不自然な変形を与えることがなく、優しく、穏やかに爪の切断を行うことを目指した爪切りについては従来から種々提案されていたが、いまだに改善すべき余地が残っていた。 Considering the shape of human nails, various types of nail clippers have been proposed for the purpose of gently and gently cutting the nails without causing unnatural deformation when the nails are cut. However, there was still room for improvement.

　そこで、この発明は、人間の爪の形状を考慮して、爪を切るときに爪に不自然な変形を与えることがなく、優しく、穏やかに爪の切断を行うことにより適した爪切りを提案することを目的にしている。 Therefore, this invention proposes a nail clipper that is suitable for cutting the nail gently and gently without giving unnatural deformation to the nail when cutting the nail in consideration of the shape of the human nail. The purpose is to do.

　請求項１記載の発明は、
　対向している一方の切断刃の先端部に形成されている一方の刃先と、他方の切断刃の先端部に形成されている他方の刃先とが互いに接近し、両者の間に切断対象の爪を挟んで前記爪を切断する爪切りにおいて、
　前記一方の刃先と、前記他方の刃先は、両者が互いに接近するべく移動する方向に対してそれぞれ直交する方向に、互いに対向して平行に伸びる直線状部分と、当該直線状部分に連続し、互いに対応している曲率で湾曲して伸びる湾曲部分とを備えている
　ことを特徴とする爪切り
　である。 The invention described in claim 1
One blade edge formed at the tip of one of the opposing cutting blades and the other blade edge formed at the tip of the other cutting blade approach each other, and the nail to be cut between them In the nail clipper that cuts the nail across
The one blade edge and the other blade edge are continuous with each other in a direction orthogonal to a direction in which both of the blade edges move so as to approach each other, and a linear portion extending in parallel to each other, and the linear portion, It is a nail clipper characterized by comprising a curved portion that curves and extends at a curvature corresponding to each other.

　請求項２記載の発明は、
　前記湾曲部分が、前記直線状部分が伸びる方向における前記直線状部分の両側に形成されていることを特徴とする請求項１記載の爪切り
　である。 The invention according to claim 2
The nail clipper according to claim 1, wherein the curved portions are formed on both sides of the linear portion in a direction in which the linear portion extends.

　請求項３記載の発明は、
　前記湾曲部分が、前記直線状部分が伸びる方向における前記直線状部分の一方の側にのみ形成されていることを特徴とする請求項１記載の爪切り
　である。 The invention described in claim 3
The nail clipper according to claim 1, wherein the curved portion is formed only on one side of the linear portion in a direction in which the linear portion extends.

　この発明によれば、人間の爪の形状を考慮して、爪を切るときに爪に不自然な変形を与えることがなく、優しく、穏やかに爪の切断を行うことにより適した爪切りを提供することができる。 According to the present invention, in consideration of the shape of a human nail, a nail clipper that is more suitable by gently and gently cutting the nail without giving unnatural deformation to the nail when the nail is cut is provided. can do.

従来のクリップ型の爪切りの一例を表す図であって、（ａ）は使用する状態における正面図、（ｂ）は図１（ａ）における刃先部の拡大正面図。It is a figure showing an example of the conventional clip type nail clipper, Comprising: (a) is a front view in the state to use, (b) is an enlarged front view of the blade edge | tip part in Fig.1 (a). 従来のニッパー型の爪切りの一例を表す側面図。The side view showing an example of the conventional nipper type nail clippers. この発明のクリップ型の爪切りの一例を表す図であって、（ａ）は使用する状態における正面図、（ｂ）は図３（ａ）における刃先部の拡大正面図。It is a figure showing an example of the clip type nail clipper of this invention, (a) is a front view in the state to use, (b) is an enlarged front view of the blade edge | tip part in Fig.3 (a). 図３図示のこの発明のクリップ型の爪切りの使用していない状態における一部を省略した斜視図。The perspective view which abbreviate | omitted one part in the state which is not using the clip type nail clipper of this invention shown in FIG. この発明のニッパー型の爪切りの一例を表す図であって、（ａ）は対向する刃先を開いている状態の側面図、（ｂ）は対向する刃先を閉じている状態の側面図。BRIEF DESCRIPTION OF THE DRAWINGS It is a figure showing an example of the nipper type nail clipper of this invention, Comprising: (a) is a side view of the state which opens the opposing blade edge, (b) is a side view of the state which closes the opposing blade edge.

　以下、添付図面を参照して本発明の好ましい実施形態を説明する。 Hereinafter, preferred embodiments of the present invention will be described with reference to the accompanying drawings.

　図３（ａ）、（ｂ）図示の本発明の爪切り１はクリップ型の爪切りであって、その基本的な構造は、図１（ａ）、（ｂ）を用いて説明した従来のクリップ型の爪切りと同一である。 The nail clipper 1 of the present invention shown in FIGS. 3 (a) and 3 (b) is a clip-type nail clipper, and its basic structure is the conventional structure described with reference to FIGS. 1 (a) and 1 (b). Same as clip-type nail clippers.

　上板２と、下板３とは、基端側（図３（ａ）における背後側、図４における左側）で互いに一体化されている。この上板２と下板３の先端（図３（ａ）における正面側、図４における右側）に、切断刃４と、切断刃５とが互いに対向して形成されている。上板２、下板３の先端側には上下方向に支持ピン６が挿通されている。支持ピン６の上板２側の上端部に、押圧操作板７の基端側（図３（ａ）における下側、図４における右側）が回動可能に支持されている。 The upper plate 2 and the lower plate 3 are integrated with each other on the base end side (the back side in FIG. 3A and the left side in FIG. 4). A cutting blade 4 and a cutting blade 5 are formed opposite to each other at the tips of the upper plate 2 and the lower plate 3 (the front side in FIG. 3A and the right side in FIG. 4). Support pins 6 are inserted in the top-bottom direction on the tip side of the upper plate 2 and the lower plate 3. The base end side of the pressing operation plate 7 (the lower side in FIG. 3A and the right side in FIG. 4) is rotatably supported by the upper end portion of the support pin 6 on the upper plate 2 side.

　押圧操作板７の基端側には、てこ部８が形成されている。てこ部８が、図３（ａ）図示のように、下側に向いて上板２の上面に当接している状態で、押圧操作板７の先端側７ａを、支持ピン６に回動可能に支持されている基端側を中心にして押し下げる。これによって、てこ部８が上板２の上面を押圧し、切断刃４の先端部に形成されている刃先９と、切断刃５の先端部に形成されている刃先１０とが、矢印１１、１２で示すように、互いに接近する。こうして、上側の刃先９と、対向する下側の刃先１０との間に切断対象の爪（不図示）が挟まれ、切断される。 A lever portion 8 is formed on the proximal end side of the pressing operation plate 7. As shown in FIG. 3A, the tip end side 7 a of the pressing operation plate 7 can be rotated to the support pin 6 with the lever portion 8 facing downward and in contact with the upper surface of the upper plate 2. Press down with the base end side supported by the center. Thereby, the lever portion 8 presses the upper surface of the upper plate 2, and the blade edge 9 formed at the distal end portion of the cutting blade 4 and the blade edge 10 formed at the distal end portion of the cutting blade 5 are indicated by arrows 11, As shown at 12, they approach each other. In this way, a claw (not shown) to be cut is sandwiched between the upper blade edge 9 and the opposed lower blade edge 10 and cut.

　本発明の爪切り１においては、図３（ｂ）に要部を拡大して表したように、対向している刃先９と、刃先１０とは、両者が互いに接近するべく移動する矢印１１、１２で示す方向に対してそれぞれ直交する方向に、互いに対向して平行に伸びる直線状部分９ａ、１０ａを備えている。更に、刃先９、刃先１０は、前記の直線状部分９ａ、１０ａに連続し、互いに対応している曲率で湾曲して伸びる湾曲部分９ｂ、９ｃ、１０ｂ、１０ｃを備えている。 In the nail clipper 1 of the present invention, as shown in an enlarged view of the main part in FIG. 3 (b), the opposing cutting edge 9 and the cutting edge 10 have arrows 11 that move so that both approach each other, 12, linear portions 9a and 10a extending in parallel and facing each other are provided in directions orthogonal to the direction indicated by 12, respectively. Further, the blade edge 9 and the blade edge 10 are provided with curved portions 9b, 9c, 10b, and 10c that are continuous with the linear portions 9a and 10a and that are curved and extended with corresponding curvatures.

　図３（ａ）、（ｂ）図示のクリップ型の爪切り１の場合、湾曲部分９ｂ、９ｃ、１０ｂ、１０ｃは、直線状部分９ａ、１０ａが伸びる方向における直線状部分９ａ、１０ａの両側に形成されている。 In the case of the clip-type nail clipper 1 shown in FIGS. 3A and 3B, the curved portions 9b, 9c, 10b, and 10c are provided on both sides of the linear portions 9a and 10a in the direction in which the linear portions 9a and 10a extend. Is formed.

　すなわち、図３（ａ）、（ｂ）図示の本発明の爪切り１では、対向している刃先９、刃先１０の中央側に、両者が互いに接近するべく矢印１１、１２で示す方向に移動するときに、この移動する方向に対して、直交する方向に、互いに対向して平行に伸びる直線状部分９ａ、１０ａが配備されている。そして、刃先９、刃先１０の中央部における直線状部分９ａ、１０ａに連続して、直線状部分９ａ、１０ａが伸びる方向における直線状部分９ａ、１０ａの両側に、それぞれ、互いに対応している曲率で、図において下側方向に向かって、湾曲して伸びる湾曲部分９ｂ、９ｃ、１０ｂ、１０ｃが配備されている。 That is, in the nail clipper 1 of the present invention shown in FIGS. 3 (a) and 3 (b), it moves in the direction indicated by the arrows 11 and 12 toward the center side of the blade edge 9 and the blade edge 10 facing each other. In this case, linear portions 9a and 10a extending in parallel and facing each other are provided in a direction orthogonal to the moving direction. Then, curvatures corresponding to each other on both sides of the linear portions 9a and 10a in the direction in which the linear portions 9a and 10a extend in succession to the linear portions 9a and 10a in the center portion of the blade edge 9 and the blade edge 10, respectively. In the drawing, curved portions 9b, 9c, 10b, and 10c that are curved and extended toward the lower side are provided.

　そこで、この発明の爪切り１によって爪を切断する場合、人間の様々な爪の形状に適切に対応させて、爪を切るときに爪に不自然な変形を与えず、優しく、穏やかに爪の切断を行うことができる
　例えば、爪の先端側から見たときに、中央部から左右両側に向かうにつれて下向きに湾曲している爪は、図３（ｂ）中、刃先９、１０の符号９ｂと符号１０ｂとで示されている湾曲している部分、あるいは、符号９ｃと符号１０ｃとで示されている湾曲している部分によって切断を行う。 Therefore, when the nail is cut by the nail clipper 1 of the present invention, it is made to correspond appropriately to the shape of various human nails, and when the nail is cut, the nail is not deformed unnaturally, gently and gently. For example, when viewed from the front end side of the nail, the nail that curves downward as it goes from the center to the left and right sides is represented by the reference numerals 9b of the blade edges 9 and 10 in FIG. Cutting is performed by a curved portion indicated by reference numeral 10b, or by a curved portion indicated by reference numerals 9c and 10c.

　また、中央部が平らで左右が湾曲している爪については、中央の平らな個所を、図３（ｂ）中、刃先９、１０の符号９ａと符号１０ａとで示されている互いに対向して平行に伸びる直線状部分で切断する。そして、左右の湾曲している箇所は、図３（ｂ）中、刃先９、１０の符号９ｂと符号１０ｂとで示されている湾曲している部分、あるいは、符号９ｃと符号１０ｃとで示されている湾曲している部分によって切断する。 Further, for the claw having a flat central portion and curved left and right, the central flat portion is opposed to each other indicated by reference numerals 9a and 10a of the blade edges 9, 10 in FIG. 3B. And cut at straight parts that extend in parallel. The left and right curved portions are indicated by curved portions indicated by reference numerals 9b and 10b of the cutting edges 9 and 10 in FIG. 3B, or indicated by reference numerals 9c and 10c. Cut by the curved part that is being cut.

　そして、爪の先端側から見たときに、左側から右側まで全部が平らな形状である爪については、図３（ｂ）中、刃先９、１０の符号９ａと符号１０ａとで示されている互いに対向して平行に伸びる直線状部分で切断する。 And the nail | claw which is a flat shape from left side to the right side when it sees from the front end side of a nail | claw is shown with the code | symbol 9a and the code | symbol 10a of the blade tips 9 and 10 in FIG.3 (b). Cut along straight sections that extend parallel to each other.

　図１（ａ）、（ｂ）、図２に図示して説明した従来の爪切りの場合、上述したような３種類の異なる形状の爪、全てに適切に対応して、優しく爪を切ることは難しかった。 In the case of the conventional nail clipper illustrated in FIGS. 1A, 1B, and 2, the nail of the three different shapes as described above, all correspondingly properly, and nail gently. Was difficult.

　本発明の爪切り１によれば、述したような３種類の異なる形状の爪、全てに適切に対応して、爪を切るときに爪に不自然な変形を与えず、優しく、穏やかに爪の切断を行うことができる。 According to the nail clipper 1 of the present invention, the three types of nails having different shapes as described above, all correspondingly properly, gently and gently nail-free without giving unnatural deformation to the nail when cutting the nail Can be cut.

　図５（ａ）、（ｂ）図示の本発明の爪切り３１はニッパー型の爪切りであって、その基本的な構造は、図２を用いて説明した従来のニッパー型の爪切りと同一である。 The nail clipper 31 of the present invention shown in FIGS. 5A and 5B is a nipper type nail clipper, and its basic structure is the same as the conventional nipper type nail clipper described with reference to FIG. It is.

　一方のレバー２１のヒンジ部２１ａに固定されている軸２２に、他方のレバー２０のヒンジ部２０ａが回動可能に取り付けられている。そして、レバー２０、２１の先端側に形成されている切断刃２３と、切断刃２４とが互いに対向している。切断刃２３、切断刃２４の互いに対向する先端部にはそれぞれ刃先２５、２６が形成されている。 The hinge part 20a of the other lever 20 is rotatably attached to the shaft 22 fixed to the hinge part 21a of the one lever 21. And the cutting blade 23 currently formed in the front end side of the levers 20 and 21 and the cutting blade 24 have mutually opposed. Cutting edges 25 and 26 are formed at the tip portions of the cutting blade 23 and the cutting blade 24 facing each other.

　軸２２を中心にしてレバー２０、２１を矢印２７、２８で示すように握ると、切断刃２３の先端部に形成されている刃先２５と、切断刃２４の先端部に形成されている刃先２６とが、矢印２９、３０で示すように、互いに接近する。これによって、両者の間に切断対象の爪（不図示）が挟まれ、切断される。 When the levers 20 and 21 are gripped about the shaft 22 as indicated by arrows 27 and 28, a blade edge 25 formed at the distal end portion of the cutting blade 23 and a blade edge 26 formed at the distal end portion of the cutting blade 24. And approach each other as indicated by arrows 29 and 30. As a result, a nail (not shown) to be cut is sandwiched between the two and cut.

　本発明の爪切り３１においては、互いに対向している刃先２５と、刃先２６とは、両者が互いに接近するべく移動する矢印２９、３０で示す方向に対してそれぞれ直交する方向に、互いに対向して平行に伸びる直線状部分２５ａ、２６ａを備えている。更に、刃先２５と、刃先２６とは、前記の直線状部分２５ａ、２６ａに連続し、互いに対応している曲率で湾曲して伸びる湾曲部分２５ｂ、２６ｂを備えている。 In the nail clipper 31 of the present invention, the cutting edge 25 and the cutting edge 26 facing each other are opposed to each other in directions orthogonal to directions indicated by arrows 29 and 30 that move so as to approach each other. Linear portions 25a and 26a extending in parallel with each other. Further, the blade edge 25 and the blade edge 26 are provided with curved portions 25b and 26b which are continuous with the linear portions 25a and 26a and bend and extend with curvatures corresponding to each other.

　図５（ａ）、（ｂ）図示のニッパー型の爪切り３１の場合、湾曲部分２５ｂ、２６ｂは、直線状部分２５ａ、２６ａが伸びる方向における直線状部分２５ａ、２５ａの一方の側に形成されている。 In the case of the nipper-type nail clipper 31 shown in FIGS. 5A and 5B, the curved portions 25b and 26b are formed on one side of the linear portions 25a and 25a in the direction in which the linear portions 25a and 26a extend. ing.

　すなわち、図５（ａ）、（ｂ）図示の本発明の爪切り３１では、対向している刃先２５、刃先２６に、両者が互いに接近するべく矢印２９、３０で示す方向に移動するときに、この移動する方向に対して、直交する方向に、互いに対向して平行に伸びる直線状部分２５ａ、２６ａが配備されている。そして、刃先２５、刃先２６における直線状部分２５ａ、２６ａに連続して、互いに対応している曲率で湾曲して伸びる湾曲部分２５ｂ、２６ｂがそれぞれ備えられている。 That is, in the nail clipper 31 of the present invention shown in FIGS. 5 (a) and 5 (b), when the blades 25 and 26 facing each other move in the directions indicated by the arrows 29 and 30 so as to approach each other. The linear portions 25a and 26a extending in parallel and facing each other are provided in a direction orthogonal to the moving direction. Further, curved portions 25b and 26b that are curved and extend with curvatures corresponding to each other are provided continuously to the linear portions 25a and 26a of the blade edge 25 and the blade edge 26, respectively.

　そこで、本発明のニッパー型の爪切り３１の場合、対向している刃先２５、２６がこのような特徴的な構造を備えているので、爪を切るときに、人間の爪の形状に適切に対応して、爪に不自然な変形を与えず、優しく、穏やかに爪の切断を行うことができる。 Therefore, in the case of the nipper-type nail clipper 31 according to the present invention, since the opposed cutting edges 25 and 26 have such a characteristic structure, when the nail is cut, the shape of the human nail is appropriately set. Correspondingly, the nail can be cut gently and gently without giving an unnatural deformation to the nail.

　例えば、爪の先端側から見たときに、中央部から左右両側に向かうにつれて下向きに湾曲している爪は、図５（ａ）中、刃先２５、２６の符号２５ｂと符号２６ｂとで示されている湾曲している部分によって切断を行う。 For example, when viewed from the front end side of the nail, the nail that curves downward as it goes from the center to the left and right sides is indicated by reference numerals 25b and 26b of the blade edges 25 and 26 in FIG. Cut by the curved part that is.

　また、中央部が平らで左右が湾曲している爪については、中央の平らな個所を、図５（ａ）中、刃先２５、２６の符号２５ａと符号２６ａとで示されている互いに対向して平行に伸びる直線状部分で切断する。そして、左右の湾曲している箇所は、図５（ａ）中、刃先２５、２６の符号２５ｂと符号２６ｂとで示されている湾曲している部分によって切断する。 Further, with respect to the nail having a flat central portion and curved left and right, the central flat portion is opposed to each other indicated by reference numerals 25a and 26a of the blade edges 25 and 26 in FIG. And cut at straight parts that extend in parallel. The left and right curved portions are cut by the curved portions indicated by reference numerals 25b and 26b of the blade edges 25 and 26 in FIG. 5A.

　そして、爪の先端側から見たときに、左側から右側まで全部が平らな形状である爪については、図５（ａ）中、刃先２５、２６の符号２５ａと符号２６ａとで示されている互いに対向して平行に伸びる直線状部分で切断する。 And the nail | claw which is a flat shape from the left side to the right side when it sees from the front end side of a nail | claw is shown with the code | symbol 25a and the code | symbol 26a of the blade edges 25 and 26 in Fig.5 (a). Cut along straight portions that extend parallel to each other.

　図１（ａ）、（ｂ）、図２に図示して説明した従来の爪切りの場合、上述したような３種類の異なる形状の爪、全てに適切に対応して、優しく爪を切ることは難しかった。 In the case of the conventional nail clippers illustrated and described in FIGS. 1A, 1B, and 2, the nails should be gently cut appropriately corresponding to all three types of nails as described above. Was difficult.

　本発明の爪切り３１によれば、述したような３種類の異なる形状の爪、全てに適切に対応して、爪を切るときに爪に不自然な変形を与えず、優しく、穏やかに爪の切断を行うことができる。 According to the nail clipper 31 of the present invention, the nail having the three different shapes as described above, all correspondingly properly, gently and gently without giving the unnatural deformation to the nail when cutting the nail. Can be cut.

　以上、添付図面を参照して本発明の好ましい実施形態を説明したが、本発明はかかる実施形態に限定されることなく、特許請求の範囲の記載から把握される技術的範囲において種々に変更可能である。 The preferred embodiments of the present invention have been described above with reference to the accompanying drawings, but the present invention is not limited to such embodiments, and various modifications can be made within the technical scope grasped from the description of the claims. It is.

符号の簡単な説明Brief description of symbols

１　　　爪切り
４　　　切断刃
５　　　切断刃
９　　　刃先
９ａ　　直線状部分
９ｂ、９ｃ　湾曲部分
１０　　刃先
１０ａ　直線状部分
１０ｂ、１０ｃ　湾曲部分
３１　　爪切り
２３　　切断刃
２４　　切断刃
２５　　刃先
２５ａ　直線状部分
２５ｂ　湾曲部分
２６　　刃先
２６ａ　直線状部分
２６ｂ　湾曲部分
１１、１２　対向する刃先が互いに接近するべく移動する方向
２９、３０　対向する刃先が互いに接近するべく移動する方向 DESCRIPTION OF SYMBOLS 1 Nail clipper 4 Cutting blade 5 Cutting blade 9 Cutting edge 9a Straight edge part 9b, 9c Curved part 10 Cutting edge 10a Straight line part 10b, 10c Curved part 31 Nail clipper 23 Cutting blade 24 Cutting blade 25 Cutting edge 25a Straight line part 25b Curved part 26 Cutting edge 26a Linear portion 26b Curved portions 11, 12 Direction 29, 30 in which opposing cutting edges move toward each other 29, 30 Direction in which opposing cutting edges move toward each other

Claims (3)

　対向している一方の切断刃の先端部に形成されている一方の刃先と、他方の切断刃の先端部に形成されている他方の刃先とが互いに接近し、両者の間に切断対象の爪を挟んで両者を当接させることにより前記爪を切断する爪切りにおいて、
　前記一方の刃先と、前記他方の刃先は、両者が互いに接近するべく移動する方向に対してそれぞれ直交する方向に、互いに対向して平行に伸びる直線状部分と、当該直線状部分に連続し、互いに対応している曲率で湾曲して伸びる湾曲部分とを備えている
　ことを特徴とする爪切り。 One blade edge formed at the tip of one of the opposing cutting blades and the other blade edge formed at the tip of the other cutting blade approach each other, and the nail to be cut between them In the nail clipper that cuts the nail by bringing them into contact with each other,
The one blade edge and the other blade edge are continuous with each other in a direction orthogonal to a direction in which both of the blade edges move so as to approach each other, and a linear portion extending in parallel to each other, and the linear portion, A nail clipper comprising a curved portion that curves and extends at a curvature corresponding to each other. 　前記湾曲部分が、前記直線状部分が伸びる方向における前記直線状部分の両側に形成されていることを特徴とする請求項１記載の爪切り。 The nail clipper according to claim 1, wherein the curved portion is formed on both sides of the linear portion in a direction in which the linear portion extends. 　前記湾曲部分が、前記直線状部分が伸びる方向における前記直線状部分の一方の側にのみ形成されていることを特徴とする請求項１記載の爪切り。 The nail clipper according to claim 1, wherein the curved portion is formed only on one side of the linear portion in a direction in which the linear portion extends.
PCT/JP2011/068231 2011-08-10 2011-08-10 Nail clipper Ceased WO2013021474A1 (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
PCT/JP2011/068231 WO2013021474A1 (en) 2011-08-10 2011-08-10 Nail clipper
US14/237,679 US20140202003A1 (en) 2011-08-10 2012-04-23 Pair of nail clippers
JP2012534485A JP5110551B1 (en) 2011-08-10 2012-04-23 Nail clippers
CN201280038943.2A CN103717107A (en) 2011-08-10 2012-04-23 nail clippers
PCT/JP2012/060811 WO2013021693A1 (en) 2011-08-10 2012-04-23 Nail clipper

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DE102013010786B4 (en) * 2013-06-28 2020-07-02 Zwilling J. A. Henckels Ag Nail clippers
US11311091B1 (en) * 2021-08-04 2022-04-26 Tessa Lee Petry Baby-safe fingernail and toenail nippers
USD1081003S1 (en) * 2024-08-13 2025-06-24 Changsha Xiaomeng Technology Co., Ltd. Nail clipper
USD1052816S1 (en) * 2024-08-13 2024-11-26 Meng Zou Nail clipper

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CN103717107A (en) 2014-04-09
WO2013021693A1 (en) 2013-02-14

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