PROBLEM TO BE SOLVED: To prevent a situation in which sitting comfort is impaired in seating, by making the main body and the support body harder to be bent.SOLUTION: The cushion is for a wheelchair W having a sheet-shaped seat part Wa which is stretched between the left and right frames F. The cushion includes: a main part 1 equipped with a rear face 6 that has the left and right side edge parts 7 supported on the frame F； and a support part 60 that is attached between both side edge parts 7 of the rear face 6 of the main body 1 and that is interposed in a space with the seat part Wa to support the main body 1. The main body 1 is configured to have a wooden base plate 10, a cushion part 20, and the outer material 30 comprising a seat face 2 that covers the cushion part 20 and that supports the ischium and the femora of both left/right legs when seated. The support part 60 is configured to have a wooden base plate 61 that is joined to the lower face side of the base plate 10, a cushion material 62 that is installed on the lower face side of the base plate 61, and an outer covering material 63 that covers the lower face side of the cushion material 62 and that is in contact with the seat part Wa.COPYRIGHT: (C)2015,JPO&INPIT【課題】 本体及び支持体をより一層湾曲しにくくし、着座時の座り心地を損なう事態の防止を図る。【解決手段】 左右のフレームＦ間に張架されたシート状の座部Ｗａを有した車椅子Ｗのためのもので、フレームＦに支持される左右の側縁部７を有した裏面６を備えた本体１と、本体１の裏面６の両側縁部７間に付設され座部Ｗａとの間に介在させられ本体１を支持する支持体６０とを備え、本体１を、木製のベース板１０と、クッション部２０と、クッション部２０を被覆し着座時に坐骨部及び左右両脚の大腿部を支持する座面２を構成する表地３０とを備えて構成し、支持体６０を、ベース板１０の下面側に接合する木製の基板６１と、基板６１の下面側に設けられるクッション材６２と、クッション材６２の下面側を被覆し座部Ｗａに接する外覆地６３とを備えて構成した。【選択図】図７
