Patent ID: 6166913
Filing Date: 2000-12-26
Classification: H05K

Abstract:
A casing for enclosing a circuit board therein, comprising:a pair of symmetrical halves interlocked together, each half forming first and second longitudinal sides opposite to each other, a plurality of clipping tabs formed on said first longitudinal side and a plurality of retaining receptacles defined on said second longitudinal side in a manner such that said clipping tabs on one half are aligned with said retaining receptacles on the other half, while said retaining receptacles on said one half are aligned with said clipping tabs on the other half, a pair of positioning frames respectively attaching to the pair of symmetrical halves, each positioning frame including a first and a second sub-frames, each of the second sub-frames defining a plurality of receptacles aligned with said retaining receptacles on the half of the casing to which it is attached; whereby said clipping tabs and said receptacles of the second sub-frames are interlocked together via the engagement of barbs of said clipping tabs with inner walls of said receptacles of the second sub-frames for facilitating the formation of a complete seal along a perimeter of said one and the other halves when said halves are assembled together.