ランドセルの背環

摘要

PROBLEM TO BE SOLVED: To provide back rings for a satchel, back rings that make a shoulder strap to be applied flat and not obliquely to the shoulders even when a schoolchild grows up to have wider shoulders.;SOLUTION: The back rings (1) have a case (2) and a pair of connection parts (3) that are connectable to shoulder straps (B). The case (2) is provided with a proximal part (32) of the connection parts (3) and a built-in pair of left and right sliders (5, 6) that are freely rotatably connected to the proximal part (32). The connection parts (3) and the sliders (5, 6) are laterally slidable inside the case (2). Further, the connection parts (3) are rotatable relative to the sliders (5, 6).;SELECTED DRAWING: Figure 5;COPYRIGHT: (C)2019,JPO&INPIT