JP4654226B2 - 落下防止具 - Google Patents
落下防止具 Download PDFInfo
- Publication number
- JP4654226B2 JP4654226B2 JP2007210172A JP2007210172A JP4654226B2 JP 4654226 B2 JP4654226 B2 JP 4654226B2 JP 2007210172 A JP2007210172 A JP 2007210172A JP 2007210172 A JP2007210172 A JP 2007210172A JP 4654226 B2 JP4654226 B2 JP 4654226B2
- Authority
- JP
- Japan
- Prior art keywords
- nut
- hole
- bolt
- fall prevention
- holding
- 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
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- Electric Cable Installation (AREA)
Description
上記実施形態においては、スリーブ130の外周面に長穴132が露出した構成として説明した。これに対し図4は保持部100の他の構成例を示す図であって、スリーブ130の外側に、さらに外装リング160を配置している。外装リング160は110の円筒部116やシャッター150と外径を揃えることにより、特段の固定を要しない。このように構成することにより、砂などの異物が回転機構に混入することを防止し、また作業員に対してメンテナンスフリーとすることができる。
Claims (4)
- ボルトまたはナットを保持する保持部と、
前記保持部に接続され該保持部を吊下しうる吊着部とを備え、
前記保持部は、
ボルトまたはナットを回転不能に挿入しうる有底穴を有する基体と、
ボルトまたはナットを回転不能に挿入しうる貫通穴を有するシャッターと、
前記有底穴と前記貫通穴との中心軸を一致させた状態で前記シャッターと前記基体とを相対的に回転させる回転機構と、
を有することを特徴とする落下防止具。 - 前記有底穴および前記貫通穴は多角形であって、
前記回転機構は、前記有底穴と前記貫通穴の多角形の角部がずれた位相に向かって付勢する付勢手段を有していることを特徴とする請求項1記載の落下防止具。 - 前記回転機構は、
前記基体の有底穴の外周面たる円柱部と、
前記シャッターに固定されるスリーブと、
前記スリーブを前記円柱部に回転可能に冠着した状態を保持する係止部とを有することを特徴とする請求項1記載の落下防止具。 - 前記吊着部は、前記保持部に対して回転可能に接続されていることを特徴とする請求項1記載の落下防止具。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2007210172A JP4654226B2 (ja) | 2007-08-10 | 2007-08-10 | 落下防止具 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2007210172A JP4654226B2 (ja) | 2007-08-10 | 2007-08-10 | 落下防止具 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2009041742A JP2009041742A (ja) | 2009-02-26 |
JP4654226B2 true JP4654226B2 (ja) | 2011-03-16 |
Family
ID=40442673
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2007210172A Expired - Fee Related JP4654226B2 (ja) | 2007-08-10 | 2007-08-10 | 落下防止具 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP4654226B2 (ja) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5662848B2 (ja) * | 2011-03-07 | 2015-02-04 | 佐藤建設工業株式会社 | 落下防止用ホルダ |
CN109364393B (zh) * | 2018-11-16 | 2023-08-15 | 中铁一局集团有限公司 | 一种滑道专用的便携式安全挂环 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH02100789U (ja) * | 1989-01-24 | 1990-08-10 | ||
JPH04118972U (ja) * | 1991-04-04 | 1992-10-23 | リヨービ株式会社 | 工具の着脱装置 |
JP2003247523A (ja) * | 2002-02-27 | 2003-09-05 | Nitta Ind Corp | 落下防止用部材 |
-
2007
- 2007-08-10 JP JP2007210172A patent/JP4654226B2/ja not_active Expired - Fee Related
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH02100789U (ja) * | 1989-01-24 | 1990-08-10 | ||
JPH04118972U (ja) * | 1991-04-04 | 1992-10-23 | リヨービ株式会社 | 工具の着脱装置 |
JP2003247523A (ja) * | 2002-02-27 | 2003-09-05 | Nitta Ind Corp | 落下防止用部材 |
Also Published As
Publication number | Publication date |
---|---|
JP2009041742A (ja) | 2009-02-26 |
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