JP6697624B1 - 折り畳み式ナイフ - Google Patents
折り畳み式ナイフ Download PDFInfo
- Publication number
- JP6697624B1 JP6697624B1 JP2019204706A JP2019204706A JP6697624B1 JP 6697624 B1 JP6697624 B1 JP 6697624B1 JP 2019204706 A JP2019204706 A JP 2019204706A JP 2019204706 A JP2019204706 A JP 2019204706A JP 6697624 B1 JP6697624 B1 JP 6697624B1
- Authority
- JP
- Japan
- Prior art keywords
- blade
- state
- movable piece
- handle
- closed
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 210000003813 thumb Anatomy 0.000 abstract description 12
- 238000010586 diagram Methods 0.000 abstract description 5
- 230000007704 transition Effects 0.000 description 11
- 238000000034 method Methods 0.000 description 6
- 229910001069 Ti alloy Inorganic materials 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 125000002066 L-histidyl group Chemical group [H]N1C([H])=NC(C([H])([H])[C@](C(=O)[*])([H])N([H])[H])=C1[H] 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 235000013372 meat Nutrition 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26B—HAND-HELD CUTTING TOOLS NOT OTHERWISE PROVIDED FOR
- B26B1/00—Hand knives with adjustable blade; Pocket knives
- B26B1/02—Hand knives with adjustable blade; Pocket knives with pivoted blade
- B26B1/04—Hand knives with adjustable blade; Pocket knives with pivoted blade lockable in adjusted position
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26B—HAND-HELD CUTTING TOOLS NOT OTHERWISE PROVIDED FOR
- B26B1/00—Hand knives with adjustable blade; Pocket knives
- B26B1/02—Hand knives with adjustable blade; Pocket knives with pivoted blade
- B26B1/04—Hand knives with adjustable blade; Pocket knives with pivoted blade lockable in adjusted position
- B26B1/044—Hand knives with adjustable blade; Pocket knives with pivoted blade lockable in adjusted position by a spring tongue snapping behind or into the tang of the blade from a side part of the handle
Abstract
Description
以下、本発明の実施形態を図面を用いて説明する。図1は閉刃状態にある本実施形態1の折り畳み式ナイフを説明するための図、図2A及び図2Bは閉刃状態から開刃状態に移行する途中の過程にある本実施形態1の折り畳み式ナイフを説明するための図、図3は開刃状態にある本実施形態1の折り畳み式ナイフを説明するための図である。
次に本発明の実施形態2を図4を参照して説明する。本実施形態2は、前記実施形態1と基本的構成は同一であるので、以下では異なる部分を中心に説明する。
2,12 回転軸部
3,13 ハンドル
3a ピン(ストッパ)
4,14 ブレード
4b,5d 曲面部
5,15 可動片
5a,15a 突出部
5b,15b フリップタブ(第1のストッパ当接部)
5c 当接部(第2のストッパ当接部)
Claims (5)
- ブレード及びハンドルが、ブレードがハンドル内に配置又は収容された閉刃状態とブレードがハンドルに対して最大限開かれた開刃状態との間を相互に移行できるように、互いに回動可能に接続されて成るナイフであって、閉刃状態のナイフを所定の入れ物又は衣服のポケットから取り出すときにブレード側の突起部が前記入れ物又はポケットの一部に引っ掛かることによりブレードがハンドルから出て開かれるようにした折り畳み式ナイフにおいて、
前記ブレードとの間において所定の回動角度内では相対的に回動可能であり且つ前記所定の回動角度以外では前記ブレードと一緒に前記ハンドルに対して回動するように、前記ブレード及び前記ハンドルに取り付けられた可動片と、
前記ブレードの背側の回動軸部に近い位置に形成された切り欠き又は窪み部と、
前記可動片の、前記ブレードの切り欠き又は窪み部に対応する位置及び形状に形成された突起部であって、開刃状態のとき前記ブレードの切り欠き又は窪み部内に配置又は収容可能な突起部と、
前記ハンドル、前記ブレード及び前記可動片を1つの回動軸部により互いに接続し、前記ブレード及び前記可動片を前記ハンドルに対し相対的に回動可能とし、前記可動片を前記ブレードに対し所定の回動角度内においてだけ相対的に回動可能とする回動機構部であって、開刃状態では前記突起部が前記ブレードの切り欠き又は窪み部の内部に配置又は収容されるように、閉刃状態では前記突起部が前記ブレードの切り欠き又は窪み部の外部に配置されるように、前記可動片を前記ブレードに対し相対的に回動させる回動機構部と
を備えたことを特徴とする折り畳み式ナイフ。 - 前記回動機構部は、
前記ハンドル側の一部に固定又は形成されたストッパと、
前記可動片側に固定又は形成された第1のストッパ当接部であって、前記ブレードが閉刃状態にあるとき、前記ストッパに当接することにより、前記突起部が前記ブレードの切り欠き又は窪み部の外部に配置されるように、前記可動片の、前記ブレードが開刃状態から閉刃状態へと回動する閉刃方向への回動を、阻止する第1のストッパ当接部と、
前記可動片側に固定又は形成された第2のストッパ当接部であって、前記ブレードが開刃状態にあるとき、前記ストッパに当接することにより、前記突起部が前記ブレードの切り欠き又は窪み部の内部に配置又は収容されるように、前記可動片の、前記ブレードが閉刃状態から開刃状態へと回動する開刃方向への回動を、阻止する第2のストッパ当接部と、
を備えたことを特徴とする請求項1に記載の折り畳み式ナイフ。 - 前記切り欠き又は窪み部は、前記ブレード中の前記回動軸部の近傍の位置であって刃先の反対側の位置に形成されており、前記突起部は、前記切り欠き又は窪み部と対応する形状に形成されていることを特徴とする請求項1又は2に記載の折り畳み式ナイフ。
- 前記突起部は、前記ブレードが閉刃状態にあるとき、前記ブレードの切り欠き又は窪み部に対して、前記ブレードが閉刃状態から開刃状態へと回動する開刃方向に所定角度だけ離れた位置に、配置されていることを特徴とする請求項1,2又は3に記載の折り畳み式ナイフ。
- ブレード及びハンドルが、ブレードがハンドル内に配置又は収容された閉刃状態とブレードがハンドルに対して最大限開かれた開刃状態との間を相互に移行できるように、互いに回動可能に接続されて成るナイフであって、閉刃状態のナイフを所定の入れ物又は衣服のポケットから取り出すときにブレード側の突起部が前記入れ物又はポケットの一部に引っ掛かることによりブレードがハンドルから出て開かれるようにした折り畳み式ナイフにおいて、
前記ブレード中の刃先の反対側の位置に形成された切り欠き又は窪み部と、
前記ハンドルに対して回動可能であるだけでなく前記ブレードに対しても部分的に回動可能に接続された可動片と、
前記可動片中の突起部であって、前記ブレードが閉刃状態にあるとき、前記切り欠き又は窪み部と対向する位置であって前記切り欠き又は窪み部に対して前記ブレードが閉刃状態から開刃状態へと回動する開刃方向に所定角度だけ離れた位置に配置されるように、且つ前記切り欠き又は窪み部と対応する形状となるように、前記可動片中に形成された突起部と、
前記可動片を前記ブレードに対して部分的に連動させながら回動させる回動機構部と、を備えており、
前記回動機構部は、(a)前記ブレードがハンドル内に配置されている閉刃状態においては、前記可動片に形成された突起部を、前記ブレードの回動軸部に近い背側に形成された切り欠き又は窪み部に対して、前記ブレードが閉刃状態から開刃状態へ回動する開刃方向に所定の回動角度だけ離れた位置に配置して保持し、(b)前記ブレードが閉刃状態から開刃状態に移行する途中又は前記ブレードが開刃状態から閉刃状態に移行する途中においては、前記可動片を、所定の回動角度内では前記ブレードに対し相対的に回動可能とすると共に前記所定の回動角度以外では前記ブレードと一緒に前記ハンドルに対して回動させ、(c)前記ブレードがハンドルに対して最大限開かれている開刃状態においては、前記可動片の突起部を、前記ブレードの切り欠き又は窪み部の内部に配置又は収容させるものである、ことを特徴とする折り畳み式ナイフ。
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2019204706A JP6697624B1 (ja) | 2019-11-12 | 2019-11-12 | 折り畳み式ナイフ |
US17/132,236 US11820028B2 (en) | 2019-11-12 | 2020-12-23 | Folding knife |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2019204706A JP6697624B1 (ja) | 2019-11-12 | 2019-11-12 | 折り畳み式ナイフ |
Publications (2)
Publication Number | Publication Date |
---|---|
JP6697624B1 true JP6697624B1 (ja) | 2020-05-20 |
JP2021074385A JP2021074385A (ja) | 2021-05-20 |
Family
ID=70682494
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2019204706A Expired - Fee Related JP6697624B1 (ja) | 2019-11-12 | 2019-11-12 | 折り畳み式ナイフ |
Country Status (2)
Country | Link |
---|---|
US (1) | US11820028B2 (ja) |
JP (1) | JP6697624B1 (ja) |
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-
2019
- 2019-11-12 JP JP2019204706A patent/JP6697624B1/ja not_active Expired - Fee Related
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2020
- 2020-12-23 US US17/132,236 patent/US11820028B2/en active Active
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US11820028B2 (en) | 2023-11-21 |
JP2021074385A (ja) | 2021-05-20 |
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