Patent ID: 7256360

Claim:
A rolling-ball switch adapted to be fixed on a circuit board, said rolling-ball switch comprising: a housing defining a chamber and having a deformable bottom wall provided with at least two through holes, each of said through holes being defined by a multi-sided hole wall; at least two terminal rods, each of which has an inner end extending into said chamber through a respective one of said through holes, an outer end that is opposite to said inner end, that extends outwardly of said deformable bottom wall, and that is adapted to be inserted into the circuit board, a multi-sided lateral surface extending between said inner and outer ends, and at least one first engaging member provided on said multi-sided lateral surface and engaging said hole wall of the respective one of said through holes, wherein said at least two terminal rods are engaged to said deformable bottom wall by at least a deformed portion of said deformable bottom wall; and a conductive ball disposed movably in said chamber to contact separably said inner ends of said terminal rods.