Patent ID: 7131206

Claim:
A jig saw, comprising: a body; a handle with a main power switch trigger; a saw blade; a base plate with a lower planar surface; the jig saw further comprising a laser alignment system provided on a front support surface of said body, said laser alignment system being capable of projecting a planar laser beam in alignment with a plane of the blade forward onto a workpiece to be cut and backward towards the saw blade, wherein said laser alignment system comprises: a housing with a first and second side edge, a laser generator, a switch for controlling said laser generator, internal battery cells, wherein the support surface of the body has a first and second side, and wherein a tab protruding inwardly from each side edge of said housing to correspond to a groove on each side of said support surface, each said tab is stopped by a stopper of each said groove and an underside of said housing rests on a stop surface of said body when said tabs are stopped by said stoppers.