Chair having shape memory sponge mounted on backrest

摘要

A chair having a shape memory sponge mounted on a backrest is invented that comprises a seat, a backrest, and a set of leg portions for supporting the seat and the backrest. The backrest includes a set of cut holes formed vertically to a given depth at both sides with respect to the center portion of the front surface thereof. A backrest cushion is inserted into each of the cut holes so as to protrude a given distance toward a user's back. The backrest cushion is formed of the shape memory sponge, and a fixing plate mounted at the rear side of each of the cut holes.