| 摘要 |
A chainsaw guide bar adapted for carving and shaping a workpiece. In one embodiment, a guide bar includes a mounting end, a distal working end, and an intermediate portion offset from the longitudinal axis defined the mounting end. In one embodiment, the guide bar includes an axially elongated recess providing an unsupported span of chain which is movable between undeflected and deflected positions for contouring a workpiece. The chain is engaged with and supported in a guide rail slot along the top peripheral edge of the guide bar. Various embodiments of the guide bar have an asymmetrical shape. The guide bar may further include an idler sprocket mechanism operable to guide movement of the saw chain along the outer peripheral edge of the guide bar. |
