Patent ID: 6161359
Filing Date: 2000-12-19
Classification: E04G

Abstract:
A shoring comprising a pair of fixed frames opposed to each other and a pair of collapsible reinforcing frames disposed between both ends of said fixed frames, said reinforcing frames each comprising:collapsible baluster struts whose base ends are pivotally connected between upper end portions of said fixed frames;a support rod whose base end is pivotally connected to an intermediate position of said baluster struts and which is suspended downward;first and second guides slidable on said support rod in opposite directions;a pair of first braces, each of said first braces having one end pivotally connected to one of said upper end portions of said fixed frames and another end pivotally connected to said first guide;a pair of second braces, each of said second braces having one end pivotally connected to one of said lower end portions of said fixed frames and another end pivotally connected to said second guide.