JPH044132U - - Google Patents

Info

Publication number
JPH044132U
JPH044132U JP4543390U JP4543390U JPH044132U JP H044132 U JPH044132 U JP H044132U JP 4543390 U JP4543390 U JP 4543390U JP 4543390 U JP4543390 U JP 4543390U JP H044132 U JPH044132 U JP H044132U
Authority
JP
Japan
Prior art keywords
base plate
staircase
lower floor
treads
vertical direction
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
Application number
JP4543390U
Other languages
English (en)
Other versions
JPH0748843Y2 (ja
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed filed Critical
Priority to JP1990045433U priority Critical patent/JPH0748843Y2/ja
Publication of JPH044132U publication Critical patent/JPH044132U/ja
Application granted granted Critical
Publication of JPH0748843Y2 publication Critical patent/JPH0748843Y2/ja
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

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  • Forms Removed On Construction Sites Or Auxiliary Members Thereof (AREA)

Description

【図面の簡単な説明】
第1図Aは実施例のらせん階段の施工状態の説
明図、第1図Bはその要部説明図、第1図Cは実
施例に用いる下地板の説明図、第2図Aは実施例
に用いる心柱ユニツト、受け材、並びに踏み板の
説明図、第2図Bはこれらの一体化品を締め付け
ボルトで上下方向に締付ける状態の説明図、第3
図A〜Cは上階の踊り場とらせん階段の踏み板と
の位置関係の説明図、第4図は実施例のらせん階
段完成状態の正面図、第5図は他の実施例のらせ
ん階段の説明図である。 2……下地材、3……固着具、5……締付けボ
ルト、6……心柱ユニツト、7……受け材、8…
…踏み板。

Claims (1)

  1. 【実用新案登録請求の範囲】 上下方向に順次設けられた心柱ユニツトと、 階段中央側の端部が前記心柱ユニツト間に挟着
    され、階段外周側の端部が上下方向にらせん状に
    順次配設される踏み板を有し、 下階床面に設けた下地板の上に、前記心柱ユニ
    ツトと前記踏み板とを締付けボルトで締め付けつ
    つ下階から上階方向に順次組立てて作られるらせ
    ん階段において、 前記下地板には、その下地板の中心から所定半
    径で円弧状に設けられた、下階床面への固着具挿
    着用の長孔が形成されていることを特徴とするら
    せん階段。
JP1990045433U 1990-04-27 1990-04-27 らせん階段 Expired - Fee Related JPH0748843Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1990045433U JPH0748843Y2 (ja) 1990-04-27 1990-04-27 らせん階段

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1990045433U JPH0748843Y2 (ja) 1990-04-27 1990-04-27 らせん階段

Publications (2)

Publication Number Publication Date
JPH044132U true JPH044132U (ja) 1992-01-14
JPH0748843Y2 JPH0748843Y2 (ja) 1995-11-08

Family

ID=31559605

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1990045433U Expired - Fee Related JPH0748843Y2 (ja) 1990-04-27 1990-04-27 らせん階段

Country Status (1)

Country Link
JP (1) JPH0748843Y2 (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005325622A (ja) * 2004-05-17 2005-11-24 Hirotaka Ikeda 木製螺旋階段

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5682498B2 (ja) * 2011-08-05 2015-03-11 トヨタ自動車株式会社 直噴式内燃機関

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS508564A (ja) * 1973-05-21 1975-01-29
JPS62194840U (ja) * 1986-06-02 1987-12-11

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS508564A (ja) * 1973-05-21 1975-01-29
JPS62194840U (ja) * 1986-06-02 1987-12-11

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005325622A (ja) * 2004-05-17 2005-11-24 Hirotaka Ikeda 木製螺旋階段

Also Published As

Publication number Publication date
JPH0748843Y2 (ja) 1995-11-08

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Legal Events

Date Code Title Description
LAPS Cancellation because of no payment of annual fees