Patent ID: 7473857

Claim:
A switch comprising: a housing defining a bottom receiving groove, a top receiving groove, and a chamber between said top and bottom receiving grooves, each of said top and bottom receiving grooves being defined by a truncated cone-shaped wall, and a groove bottom connected to said truncated cone-shaped wall, said truncated cone-shaped walls of said top and bottom receiving grooves defining a co-axis that passes through said chamber; a plurality of terminal rods mounted on said housing around said co-axis in an angularly spaced apart manner and extending through said chamber, said terminal rods having top end portions disposed around said top receiving groove, and bottom end portions disposed around said bottom receiving groove, each of said terminal rods further having spaced-apart top and bottom transverse flanges disposed between said top and bottom receiving grooves; and a conductive ball disposed inside said housing and movable from said chamber to said top or bottom receiving groove and vice versa, said conductive ball contacting two adjacent ones of said terminal rods by bridging said top and bottom transverse flanges of said two adjacent ones of said terminal rods when said switch is in an ON position, said conductive ball moving into said top or bottom receiving groove when said switch is in an OFF position.