The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Nov. 16, 2010
Filed:
Feb. 18, 2004
Theodore R. Zeigler, Alexandria, VA (US);
Theodore R. Zeigler, Alexandria, VA (US);
World Shelters, Inc., Alexandria, VA (US);
Abstract
An expandable and collapsible structure and an expandable and collapsible scissor assembly and module therefor are provided. The scissor assembly includes a first strut having a first end and a second end. The scissor assembly also includes a second strut upper portion having a first end and a second end, the first end of the second strut upper portion being pivotably connected to the first strut at an upper strut connection point, and a second strut lower portion having a first end and a second end, the second end of the second strut lower portion being pivotably connected to the first strut at a lower strut connection point. The lower strut connection point is between the upper strut connection point and the first end of the first strut and the scissor assembly is movable between a folded position in which the first end of the first strut and the second end of the second strut upper portion are substantially adjacent and the second end of the first strut and the first end of the second strut lower portion are substantially adjacent, and an expanded position.