Patent ID: 9635949
Date: 2017-05-02
CPC Classifications: A47C,A61G

Claim:
1. A bottom for a bed apparatus, which is height adjustable and is mounted on the top of a bed apparatus, comprising: a plurality of parts each formed of a resin plate having a thickness, including a back bottom, a hip bottom, a knee bottom and a foot bottom, wherein at least two parts among the plurality of parts are joined by connecting parts, and the connecting parts are formed of the same material with, to be thinner than, and integrally with, the resin plates forming the at least two parts, and, depressed portions are formed on the top surface of the bottom, the depressed portions are formed in the central part of the bottom with respect to the width direction, and a plurality of passage holes are formed from the top surface to the undersurface of the bottom in the depressed portions, and wherein a flexing part is extended from the hip bottom, overlapping the back bottom, and flexibly joined to the back bottom so as to slide along the back bottom when a back-raising operation is carried out.