公开(公告)号：US09659724B2

公开(公告)日：2017-05-23

申请号：US14296949

申请日：2014-06-05

Applicant: Samsung Electronics Co., Ltd.

Inventor： Sang-Il Park ,  Sun-Keun Cho ,  Min-Jeong Lyu ,  Min-Woo Park ,  Woon-Sung Baek ,  Kwang-Yong Lee ,  Dong Jeong

IPC: H01H3/08 ,  H01H19/14 ,  H01H19/11

CPC classification number: H01H19/14 ,  H01H19/11 ,  H01H2221/058 ,  H01H2231/012 ,  H01H2235/018

Abstract: A key apparatus of an electronic device is provided. The key apparatus includes a housing having a cylindrical portion, the cylindrical portion including an upper portion and a lower portion, the upper portion and the lower portion being open, a knob including a circular-plate portion, the circular plate portion having a concavo-convex portion, the concavo-convex portion including a concave portion and a convex portion arranged alternately in a circular shape and an extension portion extended from the circular-plate portion in a downward direction and inserted into a hollow of the cylindrical portion, and the knob moves on the circular-plate portion, an anti-deviation unit configured to prevent the knob from being deviated from the cylindrical portion, an elastic configured to elastically press the concavo-convex portion at a lower side of the circular-plate portion, and a switch connected to the extension portion and switches over movement of the extension portion is delivered.