Abstract: A chop saw having a base assembly, a saw assembly pivotally attached to the base assembly for movement between an upper position and a lower position, the saw assembly including a motor, a blade driven by the motor, an upper blade guard covering an upper part of the blade, and a laser assembly disposed on the saw assembly. The laser assembly may include a housing attached to the saw assembly, a rail supported by the housing, a body slidingly disposed on the rail, a holder pivotally attached to the body, a laser diode pivotally disposed on the body for emitting a laser beam along a first path, and a line lens disposed in the first path for converting the laser beam into a laser plane projected towards the base assembly.

Abstract: A perimeter-of-sign warning system is provided having a number of novel features. The provided system is defined by a warning flasher that encompasses the perimeter of a road sign. Its enclosure has provisions for mounting the sign, and a cross member provides additional support to the sign. Furthermore, the enclosure maintains perpendicularity between the face of the sign and the light output from the warning flasher, regardless of the orientation of the sign. The system also allows airflow through it, thus minimizing possible misalignment due to wind. Tamperproof hardware and plexiglas/Lexan panels provide protection against unauthorized access and vandalism. The warning flasher incorporates maintenance free solid-state light emitting diodes into its design. Its ‘light chaser’ flash pattern is designed to more effectively draw attention to the road sign to which it is associated.