File:Woodenspiralstaircase.jpg

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English: A spiral stair case wherein segments of the outside stringer framework and segments of the central column are forming corresponding polygonal segments, wherein the spiral stair case preferably is made in octagonal polygonal segments, wherein one segment of the outside stringer together with one segment of the central column respectively is supporting preferably two stair treads of the the spiral stair case, wherein the segments of the outside stringer and the segments of the central column are strait, non curved elements, and wherein the stair treads are made strait and wherein all peripheral cuts are made strait, and wherein the segments are connected to each other by standard carpentry connection means, wherein the fascia, the baluster posts, the baluster filler parts and the handrail build the rigid outside stringer segments, wherein the outside stringer segments build a rigid, structural supporting outside stringer framework of.
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I invented this Woodenspiralstaircase in 1998

Previously published: http://www.google.com/patents/US5737884
Author WolfSchrom
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I, the copyright holder of this work, hereby publish it under the following licenses:
GNU head Permission is granted to copy, distribute and/or modify this document under the terms of the GNU Free Documentation License, Version 1.2 or any later version published by the Free Software Foundation; with no Invariant Sections, no Front-Cover Texts, and no Back-Cover Texts. A copy of the license is included in the section entitled GNU Free Documentation License.
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This file is licensed under the Creative Commons Attribution-Share Alike 3.0 Unported license.
You are free:
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Under the following conditions:
  • attribution – You must give appropriate credit, provide a link to the license, and indicate if changes were made. You may do so in any reasonable manner, but not in any way that suggests the licensor endorses you or your use.
  • share alike – If you remix, transform, or build upon the material, you must distribute your contributions under the same or compatible license as the original.
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Date/TimeThumbnailDimensionsUserComment
current13:08, 4 March 2012Thumbnail for version as of 13:08, 4 March 20123,008 × 2,000 (1.19 MB)WolfSchrom (talk | contribs){{subst:Upload marker added by en.wp UW}} {{Information |Description = {{en|A spiral stair case wherein segments of the outside stringer framework and segments of the central column are forming corresponding polygonal segments, wherein the spiral stair...

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