JP2022172587A - 木製の螺旋階段 - Google Patents
木製の螺旋階段 Download PDFInfo
- Publication number
- JP2022172587A JP2022172587A JP2021078520A JP2021078520A JP2022172587A JP 2022172587 A JP2022172587 A JP 2022172587A JP 2021078520 A JP2021078520 A JP 2021078520A JP 2021078520 A JP2021078520 A JP 2021078520A JP 2022172587 A JP2022172587 A JP 2022172587A
- Authority
- JP
- Japan
- Prior art keywords
- riser
- tenon
- spiral staircase
- wooden
- support
- 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.)
- Granted
Links
- 239000002023 wood Substances 0.000 claims abstract description 19
- 239000000463 material Substances 0.000 abstract description 6
- 238000009434 installation Methods 0.000 abstract description 5
- 229910052751 metal Inorganic materials 0.000 description 4
- 239000002184 metal Substances 0.000 description 4
- 210000002837 heart atrium Anatomy 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 241000218691 Cupressaceae Species 0.000 description 1
- 235000009414 Elaeocarpus kirtonii Nutrition 0.000 description 1
- 235000000405 Pinus densiflora Nutrition 0.000 description 1
- 240000008670 Pinus densiflora Species 0.000 description 1
- 241001502813 Pinus glabra Species 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 244000236151 Tabebuia pallida Species 0.000 description 1
- 235000013584 Tabebuia pallida Nutrition 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 230000003796 beauty Effects 0.000 description 1
- 239000004566 building material Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Images
Landscapes
- Steps, Ramps, And Handrails (AREA)
Abstract
Description
10…支柱
11…踏板用ホゾ穴
12…蹴込板用ホゾ穴
12a…支柱ダボ穴
12b…蹴込板用溝
20…階段部
21…踏板
21a…踏板本体
21b…扇頂部
21c…踏板ホゾ
21d…溝
21e…縁部
22…蹴込板
22a…蹴込板本体
22b…一端部
22c…蹴込板ホゾ
22d…上縁部
22e…溝
22f…端面
23a…蹴込板ダボ穴
30…固定金具
40…ダボ
50…くさび
1FL…下階床
2FL…上階床
T…吹抜け通路
CL…コンクリート
Claims (6)
- 木材からなる支柱を軸としてその周囲に木材からなる螺旋状の階段部を備えた木製の螺旋階段であって、
前記階段部は、一端がそれぞれ前記支柱に嵌め込まれる複数の踏板と、一端がそれぞれ前記支柱に嵌め込まれて前記各踏板を支持する複数の蹴込板とからなることを特徴とする木製の螺旋階段。 - 請求項1に記載の木製の螺旋階段において、
前記各踏板は、略扇状に広がる踏板本体の扇頂部に踏板ホゾを備えると共に、当該踏板ホゾが前記支柱に形成した踏板用ホゾ穴に嵌め込まれることを特徴とする木製の螺旋階段。 - 請求項1または2に記載の木製の螺旋階段において、
前記各蹴込板は、蹴込板本体の一端部に蹴込板ホゾを備えると共に、当該蹴込板ホゾが前記支柱に形成した蹴込板用ホゾ穴に嵌め込まれることを特徴とする木製の螺旋階段。 - 請求項3に記載の木製の螺旋階段において、
前記各蹴込板ホゾと蹴込板用ホゾ穴に、これらを連通するダボ穴を少なくとも一対形成し、各ダボ穴に木製のダボを挿入して前記蹴込板を前記支柱に固定することを特徴とする木製の螺旋階段。 - 請求項4に記載の木製の螺旋階段において、
前記蹴込板ホゾの各ダボ穴を同一木目線上にならないようにずらして形成したことを特徴とする木製の螺旋階段。 - 請求項3に記載の木製の螺旋階段において、
前記蹴込板ホゾが嵌め込まれる蹴込板用ホゾ穴を前記支柱を貫通して形成し、前記蹴込板用ホゾ穴に嵌め込んだ前記蹴込板ホゾの端部にくさびを打ち込んで前記蹴込板を前記支柱に固定することを特徴とする木製の螺旋階段。
Priority Applications (1)
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JP2021078520A JP7438492B2 (ja) | 2021-05-06 | 2021-05-06 | 木製の螺旋階段 |
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JP2021078520A JP7438492B2 (ja) | 2021-05-06 | 2021-05-06 | 木製の螺旋階段 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2022172587A true JP2022172587A (ja) | 2022-11-17 |
JP7438492B2 JP7438492B2 (ja) | 2024-02-27 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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JP2021078520A Active JP7438492B2 (ja) | 2021-05-06 | 2021-05-06 | 木製の螺旋階段 |
Country Status (1)
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JP (1) | JP7438492B2 (ja) |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS56159533U (ja) * | 1980-04-26 | 1981-11-27 | ||
US4655017A (en) * | 1985-11-06 | 1987-04-07 | Bond Henry J | Wooden circular stair with balustrade and method for fabricating the same |
-
2021
- 2021-05-06 JP JP2021078520A patent/JP7438492B2/ja active Active
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS56159533U (ja) * | 1980-04-26 | 1981-11-27 | ||
US4655017A (en) * | 1985-11-06 | 1987-04-07 | Bond Henry J | Wooden circular stair with balustrade and method for fabricating the same |
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JP7438492B2 (ja) | 2024-02-27 |
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