Carpenter's saw

A Carpenter's saw comprising:

• a saw base being composed of a rectangular base face with a fanshaped portion arranged at the center thereof;
• a saw support mounted on said fan-shaped portion and characterized in that it includes a suspension arm horizontally pivoted to the bottom of said fan-shaped portion, fastening means for securely fastening said suspension arm thereto, two seats fastened separately to both ends of said suspension arm and having arc-shaped recesses of equal curvature radii disposed therein, two rotating members separately lodged in said arc-shaped recesses;
• a hacksaw;
• mounting means for movably mounting said hacksaw on said saw support;
• a dike board extending upwardly from each of said arc-shaped recesses;
• at least one concavity set up on said dike board at a position corresponding to a pre-determined angle to allow said rotating member to be easily positioned at said angle;
• a branch arm disposed under said suspension arm, said branch arm having a lug disposed at one end thereof, said lug being fastened to said suspension arm by means of an elastic piece;
• and
• wherein said fan-shaped portion comprises a plurality of cavities arranged at locations corresponding to a plurality of specified angles.