公开(公告)号：US20180063623A1

公开(公告)日：2018-03-01

申请号：US15691015

申请日：2017-08-30

Applicant: BLUECOM Co., Ltd.

Inventor： Beom-Seok KIM

IPC: H04R1/10 ,  B65H75/40 ,  H02G11/02 ,  H05K5/00 ,  H05K5/02 ,  H05K1/02

CPC classification number: H04R1/1033 ,  B65H75/406 ,  B65H75/4434 ,  B65H2701/3919 ,  H02G11/02 ,  H04R1/1041 ,  H04R5/0335 ,  H05K1/02 ,  H05K1/0257 ,  H05K5/0069 ,  H05K5/0247 ,  H05K2201/09027 ,  H05K2201/09063 ,  H05K2201/10083 ,  H05K2201/1009

Abstract: An automatic rewinding apparatus with an abrasion-resistant rotation axis includes: a main base lower housing including a cylindrical fixing axis at a center; a PCB substrate penetrated by the fixing axis and combined with the main base lower housing; a contact terminal coupling plate; a middle base coil housing including: a sub-base lower housing, a cylindrical winding bobbin, a sub-base upper housing, and an abrasion-resistance improving insert disposed on internal circumferential surfaces of punctured centers of the sub-base lower housing, the winding bobbin and the sub-base upper housing; a rolling elastic member with elasticity; grease cover plates on both sides of the rolling elastic member; a cap for covering the opening of the sub-base upper housing and combination with the sub-base upper housing; a stopper ball; and a main base upper housing combined with the main base lower housing and covering a second side where the track of the cap.