JP2005256191A - 伸縮構造体、およびこれを利用した筒体 - Google Patents
伸縮構造体、およびこれを利用した筒体 Download PDFInfo
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Abstract
【解決手段】 伸縮構造体10はシート状部材12を折り畳むことにより構成され、シート状部材12は、縦横両方向に配置される複数の構成単位14を有する。
伸縮構造体10を横方向に伸縮させると、縦方向に隣接する構成単位14同士の成す角度が変化して、縦方向を周方向とする湾曲面が形成される。また、伸縮構造体10の一端を固定した状態で他端側を奥行き方向に変位させると、横方向に隣接する構成単位14同士の成す角度が変化して、横方向を周方向とする湾曲面を有する伸縮構造体10が形成される。
【選択図】 図1
Description
12 シート状部材
14 構成単位
16 第1山折り線
18 第2山折り線
22 第3山折り線
24 谷折り線
Claims (2)
- シート状部材を折り畳むことによって構成された伸縮構造体であって、
縦方向へ互いに平行に延びる2本の第1山折り線と横方向へ互いに平行に延びる2本の第2山折り線とで囲まれた正方形の升目と、縦方向へ延びて前記升目を横方向へ均等に二分する第3山折り線と、前記升目の2本の対角線と一致する2本の谷折り線とを有する複数の構成単位が前記シート状部材に折り込まれ、
横方向に隣接する2つの前記構成単位がその境界部において前記第1山折り線を共有し、縦方向に隣接する2つの前記構成単位がその境界部において前記第2山折り線を共有し、縦方向に隣接する2つの前記構成単位における一方の前記第1山折り線と他方の前記第3山折り線とが直線状に連続する伸縮構造体。 - 請求項1に記載の伸縮構造体の横方向一方端部および他方端部を接続して筒状に形成した筒体。
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JP2004065752A JP4095973B2 (ja) | 2004-03-09 | 2004-03-09 | 伸縮構造体、およびこれを利用した筒体 |
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JP2004065752A JP4095973B2 (ja) | 2004-03-09 | 2004-03-09 | 伸縮構造体、およびこれを利用した筒体 |
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JP2005256191A true JP2005256191A (ja) | 2005-09-22 |
JP4095973B2 JP4095973B2 (ja) | 2008-06-04 |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2015188651A1 (zh) * | 2014-06-13 | 2015-12-17 | 罗明镜 | 正圆球体 |
KR101623703B1 (ko) * | 2014-11-24 | 2016-06-07 | 유보영 | 종이접기로 이루어진 장식물 |
CN109674129A (zh) * | 2019-01-22 | 2019-04-26 | 深圳市新技术研究院有限公司 | 可折叠头盔 |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR102330996B1 (ko) * | 2019-12-11 | 2021-11-24 | (사)한국섬유수출입협회 | 휴대가 용이한 접이식 섬유형 보호헬멧 |
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2004
- 2004-03-09 JP JP2004065752A patent/JP4095973B2/ja not_active Expired - Fee Related
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2015188651A1 (zh) * | 2014-06-13 | 2015-12-17 | 罗明镜 | 正圆球体 |
KR101623703B1 (ko) * | 2014-11-24 | 2016-06-07 | 유보영 | 종이접기로 이루어진 장식물 |
CN109674129A (zh) * | 2019-01-22 | 2019-04-26 | 深圳市新技术研究院有限公司 | 可折叠头盔 |
CN109674129B (zh) * | 2019-01-22 | 2023-09-01 | 深圳市新技术研究院有限公司 | 可折叠头盔 |
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