公开(公告)号：USD783301S1

公开(公告)日：2017-04-11

申请号：US29539667

申请日：2015-09-16

Applicant: CHIA LIN SPORT CO., LTD.

Designer： Chih-Chan Hsu

公开(公告)号：US09713383B2

公开(公告)日：2017-07-25

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 ,  A47C4/54 ,  A47C7/42

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.

公开(公告)号：USD834840S1

公开(公告)日：2018-12-04

申请号：US29598873

申请日：2017-03-29

Applicant: CHIA LIN SPORT CO., LTD.

Designer： Chih-Chan Hsu