作者: Joseph E. Dubuisson
DOI:
关键词: Engineering drawing 、 Rotation 、 Display device 、 Tray 、 Mechanical engineering 、 Engineering
摘要: A tray or case structure comprises a plurality of stacked trays mounted for rotation about common post. The have interengaging catch formations effective to fan the out from retracted superimposed position responsive manual uppermost tray, and depending peripheral skirt portions providing support each tray. telescope one into another in position, device is useful, example, as display cosmetics like.