quad

English to German Tech/Engineering Construction / Civil Engineering Zusammenlegbare Unterstände

http://www.freepatentsonline.com/y2011/0168220.html


1. A collapsible portable self-supporting structure comprising: a plurality of inter-connected struts connected to a plurality of exterior and interior articulating hub assemblies, said hub assemblies serving as pivotal means allowing said struts, which are secured in said hubs to rotate 180° about a vertical axis on said hub, said struts and said hub assemblies interconnected together forming a square quad, said shelter being formed from at least two quads, comprising a first quad designated an A quad and a second quad designated a B quad sharing common exterior and interior hubs joining said first A quad and said second B quad, said “B” quad having a base side, a top side, a first side and a second side, each said side connecting said base side with said top side; said base side comprising: a pair of first and second exterior base side hubs aligned evenly in a vertical plane with respect to each other and a pair of first and second interior base side hubs aligned evenly in a vertical plane with respect to each other, said first exterior base side hubs and said first interior base side hubs being in substantial in-line alignment with respect to each other and said second exterior base side hubs and said second interior base side hubs being in substantial in-line alignment with respect to each other;