Patent ID: 8184452

Claim:
A wireless input apparatus, comprising: a shell having a recess at a top surface thereof, the recess having an opening at a rear wall thereof, a bottom of the recess being formed with two abreast sliding slots which extend perpendicular to the rear wall, a stopper disposed across each sliding slot and spaced from a rear side of the sliding slot to form a stopping recess, each of two opposite lateral walls of the recess having a guiding trough extending upwards and downwards, a rear side of the guiding trough having a buckling notch at a lower portion thereof; a wireless transmitter having a main body and an insertion portion protruded from a rear end of the main body, the main body having two lumps at a bottom thereof corresponding to the stopping recesses, and a pair of sliding pieces protruded outwards from two opposite sides thereof corresponding to the buckling notches; wherein the wireless transmitter is received into the recess, the insertion portion projects out of the rear wall through the opening, the lumps slide forward in the sliding slots and across the stoppers to be restrained in the stopping recesses, the sliding pieces are inserted into the guiding troughs and moved forward to buckle with the buckling notches.