< Topic >This invention offers the manner which produces the sleeve stretcher lightweight. < Means >In the underside of the substrate which uses support wall provision of the hollow board for the longitudinal direction, the band form substrate crossing in aforementioned support wall provision, over the transverse direction both ends the multiple providing, From underside both ends vicinity of the respective aforementioned band form board to median direction rotate body multiple providing, Junction the said rotate body to the aforementioned band form substrate, Facing to the aforementioned rotate body in the keep plate which uses support wall provision of the aforementioned substrate and the similar type same university hollow board for the longitudinal direction, it provides the bore, penetrating completely the aforementioned rotate body to the aforementioned bore from the lower part of the aforementioned substrate, junction to the aforementioned substrate and the aforementioned band form keep plate, Crown arrival junction the ko form component to the margin of the aforementioned substrate and the aforementioned keep plate, it constitutes. < Choice figure > Drawing 1【課題】本発明は、摺動担架を軽量に製作する方法を提供する。【手段】中空板の支持壁条を長手方向に用いた基板の下面に、帯形状基板を前記支持壁条に直交して短手方向両端に渡り複数設け、それぞれの前記帯形状板の下面両端近傍から中央方向へ回転移動体を複数設け、該回転移動体を前記帯形状基板に接合し、前記基板と同型同大の中空板の支持壁条を長手方向に用いた押さえ板に前記回転移動体に相対して透孔を設け前記基板の下方から前記回転移動体を前記透孔に貫通して前記基板と前記帯形状押さえ板に接合し、前記基板と前記押さえ板の周縁にコ形状部材を冠着接合して構成する。【選択図】 図1
