| 摘要 |
PROBLEM TO BE SOLVED: To raise the strength of a piece of screw stop to which a wiring board is screwed without making a sheet metal frame thick by providing a piece of screw stop with a reinforcement section of a three-dimensional structure with no joint. SOLUTION: A piece of screw stop 20 is draw-shaped in a frame body 11. An L-shaped reinforcement rib 32 is draw-shaped across a screw stop seat 22 and a leg piece section 21. A ridge line section 42 between an oblong ridge line section 41 or the reinforcement rib 32 and the screw stop seat 22 and the leg piece section 21 of the screw stop seat 22 and the leg piece section 21 is formed like a curved cross-sectional shape by draw-shaping. The ridge line section 41 and the ridge line section 42 are connected through a spherical curved section 43. Horizontal width W2 of the leg piece section 21 at a boundary section A between the frame body 11 and the leg piece section 21 is made wider than horizontal width W1 of the screw stop seat 22 by forming the leg piece section 21 like a trapezoidal shape. An expanded section 31 for reinforcement is formed across the boundary section A. COPYRIGHT: (C)2011,JPO&INPIT
|
