作者: David Kresge , Michael Kulp , George Kulp
DOI:
关键词: Edge (geometry) 、 Food grade 、 Section (archaeology) 、 Support surface 、 Tray 、 Structural engineering 、 Flat surface 、 Bottom edge 、 Torso 、 Engineering
摘要: A portable, reusable lap tray including a detachable torso protector section. The portable section is molded from rigid, food grade plastic material and includes flat, textured support surface raised lip around the entire perimeter. has curved back edge to generally conform user's waist attachment clip channels located on top facilitate of bottom guidelines define areas for end user apply adhesive-backed, slip-resistant material. flexible composite material, having an hourglass shape with flat edges that aid in channeling spilled or beverage down where it contained within attached two cylindrical points along allow pivotal movement as well ease detachment portion slight downward radius concavity upper trim lines, like curvature uppermost edge, custom trimming accommodate size both adults children.