公开(公告)号：US20190206372A1

公开(公告)日：2019-07-04

申请号：US16231531

申请日：2018-12-23

Applicant: CASIO COMPUTER CO., LTD.

Inventor： Naoto IMAMURA ,  Ryohei KAWADA

IPC: G10C3/02 ,  G10H1/32 ,  G10C3/12

CPC classification number: G10C3/02 ,  G10C3/12 ,  G10H1/32

Abstract: A lid opening and closing apparatus including a lid, a shaft guide member which has a guide groove, a front side guide shaft which is provided on a front side of the lid and moved along the guide groove, a first braking member whose at least one portion is arranged on a movement trajectory of the front side guide shaft, and which brakes a closing movement of the lid, and a second braking member which brakes movement of the one portion of the first braking member which occurs by the front side guide shaft pressing the one portion of the first braking member on the movement trajectory when the closing movement is made.