Patent ID: 7021305

Claim:
A power saw machine, comprising: a cutting platform, having a cutting channel, for supporting a work piece thereon; a cutting blade overhung above said cutting platform; and a cutting guide arrangement which comprises: a primary guider comprising an elongated guiding arm having two side edges and a plurality of rip guides spacedly provided at said two side edges of said guiding arm respectively, wherein said rip guides are shaped in different sizes for fitting different sizes of said work pieces thereto, wherein each of said rip guides has a guiding edge, which is 45 degrees with respect to said cutting channel, adapted for selectively guiding an edge of said work piece to align a diagonal of said work piece with said cutting channel of said cutting platform, wherein each of said rip guides further has a biasing edge extended from a said respective side edge of said guiding arm at a position perpendicular to said guiding edge for biasing against an adjacent edge of said work piece so as to precisely guide said diagonal of said work piece in alignment with said cutting channel of said cutting platform; and means for detachably mounting said guiding arm of said primary guider on said cutting platform in a slidably movable manner.