Abstract: A saw construction including a prime mover with a rotary output member, support means rotatably mounting a cutting blade on the prime mover, a first flexible endless drive member drivingly connecting the output member to a transfer member and a second flexible endless drive member drivingly connecting the transfer member to the cutting blade, and tensioning means for simultaneously adjusting the tension in both the first and second endless drive members.

Abstract: A handle assembly for a portable powered saw of the chain saw type which has an inverted, generally U-shaped handle with its upper central portion extending over the saw and the depending legs extending downwardly along opposite sides of the saw with a roller rotatably mounted between the depending ends of the legs under the saw so that the saw can be rested on the roller and rolled along to make long cuts with the saw, yet the handle assembly can be used to completely support the saw manually in its usual manner.