Health preservation lid

Abstract

The article of this design is a protective cover that temporarily covers through-holes provided in floors, etc. for water supply and drainage equipment, air conditioning equipment, electrical wiring, etc. at construction sites of buildings, condominiums, etc. This article consists of a main body with spring legs and a cover body that engages with the main body. When using it, as shown in the "Reference diagram explaining the state of the spring legs in the through-hole shown in the AA cross section", "Front view showing the expanded diameter state", and "Perspective view showing the expanded diameter state", the retaining ring 1 is moved to the base of the spring legs 2 to expand the diameter of the spring legs 2, and then the spring legs 2 are gripped by hand to reduce the diameter, and inserted into the through-hole 3 from the leg tip side, and the opening of the through-hole 3 is closed with the cover body 4.

Images