Patent ID: 9220647
Filing Date: 2015-12-29
Classification: A61G

Abstract:
1. A rigid collapsible litter comprising: a foldable base having a first side and a second side; at least one handle sleeve extending from said first side to said second side; a plurality of rib sleeves integral with said foldable base and extending substantially across said foldable base, said plurality of rib sleeves extending in a direction substantially transverse to said at least one handle sleeve; and a plurality of ribs insertable into said one or more rib sleeves, said ribs each having a plurality of first and second rib links, said first rib links having first and second angled lock faces on opposed ends thereof, and a lower portion having a slot therein for accepting a protrusion extending from said second rib links, said slot having a pair of pin apertures extending therethrough, said second rib links having a pair of pin apertures therein complementary to the pin apertures of said first rib links, and complementary first and second angled lock faces on a central upper portion of said second rib links, whereby said first and second lock faces of said first rib links contact said complementary first and second lock faces of said second rib links to prohibit rotation of first and second rib links with respect to each other in one direction.