公开(公告)号：US20040000467A1

公开(公告)日：2004-01-01

申请号：US10421766

申请日：2003-04-24

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Ui-Jin Lee

IPC: H01J001/00

CPC classification number: H01H25/041 ,  H01H11/0018

Abstract: A navigation switch assembly includes a navigation switch secured to a printed circuit board disposed in a product casing and having an adjustment stick protruding from an upper portion thereof; a knob connected to the upper portion of the navigation switch; a holder connected to the knob in the product casing, preventing the knob from being separated outwardly from the product casing; and a connecting portion for connecting the knob and the holder. The connecting portion includes a pair of guide grooves each having a vertical guide groove and a horizontal guide groove connected to an end of the vertical guide, the guide grooves being formed along an external circumference of a hollow shaft disposed at a lower end of the knob, each pair being opposed to each other, a pair of locking grooves having horizontal shapes; a pair of ribs formed on an inner surface of the holder and being opposed to each other and protruding from the holder toward a center; and a pair of tension ribs protruding from the holder along a circumferential direction with a long length and having a locking protrusion formed at an end thereof.