Rear casing for backing of armchairs (Machine-translation by Google Translate, not legally binding)

摘要

Back shell for seat backrests, characterized in that it is constituted by a fiberglass monobloc piece, surrounded by a peripheral flange, which has its lower half rectangular and sensitively inclined, while the upper half is trapezoidal and vertical, carrying in the confluence of both and centrally, a metallic reinforcement constituted by a rectangular plate fused in the same body of the casing, and on both sides of this plate and longitudinally has two split ribs of half-round section. (Machine-translation by Google Translate, not legally binding)