Patent ID: 8139347

Claim:
A touch pad module assembly structure, comprising: a housing comprising a generally rectangular concave area, the concave area comprising: a bottom surface; a first housing edge and a second housing edge, respectively disposed at two opposite edges of the concave area; a step disposed on the bottom surface and closer to the first housing edge than the second housing edge; a position pin disposed on an inner surface of the first housing edge; and a convex member disposed on the bottom surface and closer to the second housing edge than the first housing edge; and a touch module comprising a support member, the support member having two opposite edges as first and second support edges, comprising: a position member disposed at the first support edge and comprising a position hole to be engaged with the position pin, the first support edge being in contact with the step of the concave area; and a hook member disposed at the second support edge and coupled with the second housing edge.