公开(公告)号：US20160353894A1

公开(公告)日：2016-12-08

申请号：US14730661

申请日：2015-06-04

Applicant: CHIA LIN SPORT CO., LTD.

Inventor： Chih-Chan HSU

IPC: A47C7/02 ,  A47C7/00 ,  A47C9/00

CPC classification number: A47C7/002 ,  A47C4/54 ,  A47C7/42 ,  A47C9/002

Abstract: A ball chair includes a ball-shaped cushion, a seat, a back and at least a threaded fastening member. The seat has a bearing portion for bearing the cushion, and a connecting portion connected with the bearing portion and having an engaging recess and at least a through hole communicating with the engaging recess. The back has an engaging block inserted in the engaging recess and having at least two relatively larger protrusions, at least a relatively smaller protrusion located between the two relatively larger protrusions, and at least a threaded hole provided in the relatively smaller protrusion and corresponding in position to the through hole. The threaded fastening member is inserted through the through hole and fixed in the threaded hole to fix the back to the seat.

Abstract translation: 球椅包括球形垫，座椅，背部和至少螺纹紧固构件。 所述座椅具有用于承载所述衬垫的轴承部分，以及与所述轴承部分连接并具有接合凹部和至少与所述接合凹部连通的通孔的连接部分。 背部具有插入接合凹部中的接合块，并且具有至少两个相对较大的突起，至少相对较小的突起位于两个相对较大的突起之间，并且至少设置在相对较小的突起中并对应于位置的螺纹孔 到通孔。 螺纹紧固构件插入通孔并固定在螺纹孔中以将背部固定到座椅上。