PROBLEM TO BE SOLVED: To improve a rotation structure provided between a fixed frame and a movable frame of a bedside.SOLUTION: A frame rotation structure of a bedside comprises: a fixed member provided with a lower cylindrical part a movable member having an upper cylindrical part provided above the lower cylindrical part a pressing operation part for unlocking which is stored in the upper cylindrical part of the movable member while being biased upward, and can be pushed down a rotary shaft part fixed to the movable member and supported pivotally inside the lower cylindrical part and a lock member which is provided with one engaging component of engaging means formed along an inner peripheral wall at the upper part of the lower cylindrical part and engaged in a convexoconcave manner and the other engaging component of the engaging means disposed below the rotary shaft part and formed on an outer peripheral wall, slides the pair of engaging components in a freely engageable and disengageable way in conjunction with the lifting of the pressing operation part, and rotates in conjunction with the rotary shaft part.COPYRIGHT: (C)2016,JPO&INPIT【課題】本発明は、ベッドサイドの固定フレームと可動フレームとの間に設けられる回転構造の改良に関する。【解決手段】下方筒部を設けた固定部材と、該下方筒部の上方に設けられた上方筒部を有する可動部材と、該可動部材の上方筒部に上向きに付勢されて収納された押下げ可能なロック解除用の押圧操作部と、可動部材に固定されると共に下方筒部内で旋回可能に軸受された回転軸部と、前記下方筒部の上方の内周壁に沿って形成されて凹凸係合する係合手段の一方の係合構成部と、前記回転軸部の下方に配置され、外周壁に前記係合手段の他方の係合構成部が設けられて、前記押圧操作部の昇降に連動して一対の係合構成部を係脱自在に摺動すると共に、回転軸部と連動して回転するロック部材とからなる。【選択図】図3
