JP4757243B2 - 落下防止具 - Google Patents
落下防止具 Download PDFInfo
- Publication number
- JP4757243B2 JP4757243B2 JP2007210171A JP2007210171A JP4757243B2 JP 4757243 B2 JP4757243 B2 JP 4757243B2 JP 2007210171 A JP2007210171 A JP 2007210171A JP 2007210171 A JP2007210171 A JP 2007210171A JP 4757243 B2 JP4757243 B2 JP 4757243B2
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- Japan
- Prior art keywords
- cylindrical body
- nut
- holding
- bolt
- fall prevention
- 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.)
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- 230000002265 prevention Effects 0.000 title claims description 32
- 230000002093 peripheral effect Effects 0.000 claims description 10
- 239000000463 material Substances 0.000 description 9
- 238000012423 maintenance Methods 0.000 description 7
- 235000002597 Solanum melongena Nutrition 0.000 description 4
- 244000061458 Solanum melongena Species 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 4
- 230000008602 contraction Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 239000010959 steel Substances 0.000 description 4
- 210000000707 wrist Anatomy 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 239000013013 elastic material Substances 0.000 description 1
- 210000004247 hand Anatomy 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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- Electric Cable Installation (AREA)
Description
また特に、筒体の内周面の開口端近傍に内側に向かって立設したフランジを有していることにより、必ずしも筒体が収縮または付勢によってボルトまたはナットの側面を挟持しなくとも、フランジが係止することにより、これらを保持することができる。なお、収縮または挟持とフランジによる係止とをあわせることにより、より確実に保持することが可能となる。フランジは、筒体の内周面の全周に設けてもよいが、一部または断続的に数カ所に設けることでもよい。一部にでも係止すれば落下を防止できるからである。
また吊着部が保持部に対して回転可能に接続されていることにより、作業員が保持部を回転させてボルトとナットとを螺合させる際に、吊着部がその回転の支障となることを防止することができる。
[他の実施形態]
Claims (4)
- ボルトまたはナットを保持する保持部と、
前記保持部に対して回転可能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、一端が開口した筒体と、該筒体の内周面の開口端近傍に内側に向かって立設したフランジを有し、ボルトの頭またはナットを該筒体に内包して保持することを特徴とする落下防止具。 - 前記保持部は弾性を有し、伸張してボルトの頭またはナットを内包し、収縮してこれらを保持することを特徴とする請求項1記載の落下防止具。
- 前記保持部は、前記筒体の開口端から該筒体の軸心方向に延びる切込を有することを特徴とする請求項2記載の落下防止具。
- 前記保持部は、前記筒体の開口端側に配置された大径部と、奥側に配置された小径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。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2007210171A JP4757243B2 (ja) | 2007-08-10 | 2007-08-10 | 落下防止具 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2007210171A JP4757243B2 (ja) | 2007-08-10 | 2007-08-10 | 落下防止具 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2009041741A JP2009041741A (ja) | 2009-02-26 |
JP4757243B2 true JP4757243B2 (ja) | 2011-08-24 |
Family
ID=40442672
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2007210171A Active JP4757243B2 (ja) | 2007-08-10 | 2007-08-10 | 落下防止具 |
Country Status (1)
Country | Link |
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JP (1) | JP4757243B2 (ja) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5235979B2 (ja) * | 2010-12-28 | 2013-07-10 | 中国電力株式会社 | ナット止めキャップ取外し用先端工具及び間接活線用作業具 |
JP5312509B2 (ja) * | 2011-03-31 | 2013-10-09 | 中国電力株式会社 | 落下防止具 |
JP6049408B2 (ja) * | 2012-11-08 | 2016-12-21 | ニッタ株式会社 | 継手ナット部の緩み防止機構 |
JP6165448B2 (ja) * | 2013-01-21 | 2017-07-19 | 佐藤建設工業株式会社 | 落下防止具 |
JP5918428B1 (ja) * | 2015-09-18 | 2016-05-18 | 株式会社フクデン | 落下防止具 |
JP6666325B2 (ja) * | 2017-12-15 | 2020-03-13 | 日本ボデーパーツ工業株式会社 | ナットキャップ |
JP7017107B2 (ja) * | 2018-03-26 | 2022-02-08 | 中国電力株式会社 | 鳥害防止具滑落防止具 |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS597908A (ja) * | 1982-07-06 | 1984-01-17 | Furukawa Electric Co Ltd:The | 光ケ−ブルユニツト |
JP2650415B2 (ja) * | 1989-04-28 | 1997-09-03 | 日産自動車株式会社 | ナットプロテクタ |
JP2003247523A (ja) * | 2002-02-27 | 2003-09-05 | Nitta Ind Corp | 落下防止用部材 |
JP2003251577A (ja) * | 2002-02-27 | 2003-09-09 | Super Tool Co Ltd | 作業工具 |
JP2006064115A (ja) * | 2004-08-27 | 2006-03-09 | Susumu Maeda | ボルトヘッド・ナット用キャップ |
-
2007
- 2007-08-10 JP JP2007210171A patent/JP4757243B2/ja active Active
Also Published As
Publication number | Publication date |
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JP2009041741A (ja) | 2009-02-26 |
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