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Length-adjustable structural unit
   
Document Number
US Patent 4351135
Issued Date
September 28, 1982
Link
Inventors
Freller; Walter (A-4522 Sierning,AT)
Map
Abstract
An arrangement of tensile elements and rollers provides support for an extensible part against forces occurring in two directions perpendicular to the extension direction in which the extensible part is carried by a carrying part of conforming geometry. Two wire ropes form the tensile elements. First ends of each rope are attached to the top corners of one end of the carrying part and second ends of each rope are attached to the opposite bottom corners of the other end of the carrying part. The ropes extend in the extension direction from their carrying part attachments to the extensible part. At the extensible part, the ropes are passed over pulleys in two directions substantially transverse of the extension direction.
Drawing
Length-adjustable structural unit - US Patent 4351135 Drawing
Drawing from US Patent 4351135
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Description:
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Number of Claims:
3
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Owner
Published
September 28, 1982
Application Number
06/162,622
Filed
June 24, 1980
US Classification
52/67   52/118 52/66
Int'l Classification
A47B   88/12   (20060101)   A47B   88/04   (20060101)   E04H   7/16   (20060101)   B66C   23/00   (20060101)   B66C   23/04   (20060101)   E01D   21/00   (20060101)   E01D   21/06   (20060101)   E04B   1/343   (20060101)   E04H   7/00   (20060101)  
Attorney/Law Firm
Priority Data
Jun 29, 1979 [AT] 4591/79
USPTO Field of Search
52/67   52/66   52/118  
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Claims
Description
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