Patent · US Expired

Foldable member

US6374565B1 · kind B1 · utility

67Cited by
48References
21Claims
0Family size

Assignee

Inventor

Key dates

Filing dateNov 9, 1999
Grant dateApr 23, 2002
Priority date
Expiry dateNov 9, 2019

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10S16/13
  • WIPO fieldCivil engineering
  • WIPO sectorOther fields

Abstract

A foldable member in the shape of a tube with at least one predetermined hinge area along the length of the tube and opposing sets of elongated slots in the tube at the hinge area thereof forming separated longitudinal strips of tube material between the slots which fold when subjected to localized buckling forces, each slot of each set of elongated slots separated longitudinally along the length of the tube from each adjacent slot by a bridge element of tube material. A collapsible structure constructed of such foldable members.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.