Patent ID: 8284569

Claim:
A shield casing configured to surround an electronic component mounted on a circuit board, the shield casing comprising: a frame body having at least one engagement recess; and a lid body having a hook unit configured to engage with the engagement recess, the lid body being fitted to the frame body and covering the frame body with the hook unit engaged in the engagement recess; wherein at least part of the hook unit is elastically deformable in a second direction when the lid body is fitted to the frame body, the second direction being opposite to a first direction in which the lid body is fitted to the frame body, the lid body has a cover member which extends over the frame body and includes a cut section, and the hook unit has a first portion extending from the cover member generally in the first direction, a second portion extending from the first portion in a direction perpendicular to the first direction, and a latch claw extending from the second portion inwardly, in a direction perpendicular to the direction of the second portion, and the latch claw extending along the cut section and including an inclined end portion.