JP4104015B2 - 忍び返し具 - Google Patents
忍び返し具 Download PDFInfo
- Publication number
- JP4104015B2 JP4104015B2 JP2005316209A JP2005316209A JP4104015B2 JP 4104015 B2 JP4104015 B2 JP 4104015B2 JP 2005316209 A JP2005316209 A JP 2005316209A JP 2005316209 A JP2005316209 A JP 2005316209A JP 4104015 B2 JP4104015 B2 JP 4104015B2
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- Japan
- Prior art keywords
- piece
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- view
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- 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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- 238000005452 bending Methods 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 5
- 239000002184 metal Substances 0.000 description 13
- 238000003466 welding Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H17/00—Fencing, e.g. fences, enclosures, corrals
- E04H17/003—Anti-climbing devices, e.g. fixed spikes
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Gates (AREA)
- Fencing (AREA)
Description
請求項1に係る忍び返し具によれば、忍び返し片を、上方及び平面視斜め前方に突出させているので、外部からの侵入者が、忍び返し部の前方、上方、側方等、全方向から侵入しようとしても、その侵入経路を完全に阻止できる。
又、平面視斜め前方に突出させた忍び返し片の先端近傍を、隣設された忍び返し片の先端近傍と交差して固着しているので、外部からの侵入者に対する侵入経路を完全に阻止できるうえ、忍び返し具全体の剛性を高めることができる。
全方向から侵入しようとしても、その侵入経路を完全に阻止できる。
B 包囲部材
1 基台部
13b 取付穴
2 忍び返し部
21 忍び返し片(上方)
22 忍び返し片(平面視斜め前方)
23 忍び返し片(側方)
Claims (3)
- フェンス、塀、門扉、門塀等の包囲部材の上端に取付される忍び返し具であって、
前記包囲部材に取付可能な基台部と、この基台部の上方に所定間隔をあけて設けた複数の忍び返し部と、より構成してなり、
前記忍び返し部は、上方及び平面視斜め前方に向けて突出させた忍び返し片にて形成すると共に、この平面視斜め前方に向けて突出させた忍び返し片は、上方に向けて突出させた忍び返し片の左、右に分岐して形成してなり、前記平面視斜め前方に向けて突出させた忍び返し片の一片の先端近傍を、隣設される他の平面視斜め前方に向けて突出された忍び返し片の他片の先端近傍と交差して固着してなることを特徴とする忍び返し具。 - 請求項1において、
上方に向けて突出させた忍び返し片の左、右に、側方に向けて突出させた忍び返し片を更に形成したことを特徴とする忍び返し具。 - 請求項1又は2の何れかにおいて、
基台部は、取付穴を設けた平板材で形成され、忍び返し部は、平板材を横断面略V状に折り曲げて形成したことを特徴とする忍び返し具。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2005316209A JP4104015B2 (ja) | 2005-10-31 | 2005-10-31 | 忍び返し具 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2005316209A JP4104015B2 (ja) | 2005-10-31 | 2005-10-31 | 忍び返し具 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2007120216A JP2007120216A (ja) | 2007-05-17 |
JP4104015B2 true JP4104015B2 (ja) | 2008-06-18 |
Family
ID=38144333
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2005316209A Active JP4104015B2 (ja) | 2005-10-31 | 2005-10-31 | 忍び返し具 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP4104015B2 (ja) |
-
2005
- 2005-10-31 JP JP2005316209A patent/JP4104015B2/ja active Active
Also Published As
Publication number | Publication date |
---|---|
JP2007120216A (ja) | 2007-05-17 |
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