A tool device, in particular a saw device, having a tool for processing a workpiece located in a working area. The tool device includes a tool braking device for braking a tool rotary movement of the tool, and a multi-joint arrangement by means of which the tool can be pivoted selectively in a feed direction into the working area or in a removal direction out of the working area. The multi-joint arrangement is designed to, while maintaining the pivotability of the tool, absorb and/or redirect forces occurring during braking of the tool rotary movement, so that the tool is not pivoted in the feed direction by the forces occurring during braking of the tool rotary movement or is pivoted in the removal direction by the forces occurring during braking of the tool rotary movement.

An articulated chop saw mast section (30) replaces a rigid prior art mast section (22) between a chop saw base (20) and a chop saw swing arm assembly (23). The articulation of mast section (30) provides a front-to-rear longitudinal movement of the swing arm assembly (23) along an axis that is parallel to the longitudinal axis of a chop saw cutting wheel (26), ultimately providing front-to-rear movement of the cutting wheel (26) along its longitudinal axis. The movement of wheel (26) in this fashion provides a means for optimum adjustment to the geometric relationship between wheel (26) and the material to be cut. The ability of the articulated mast to achieve optimum cutting geometry offers greater cutting efficiency by reducing the point or points of contact between wheel (26) and the material's specific profile.

A cutting device is configured to attach to a boom arm and includes a saw assembly with a cutting portion configured to cut into a target surface. The cutting device also includes a motor assembly coupled to the saw assembly. The motor assembly has at least two motors configured to rotate the saw assembly about two different axes. The cutting device further comprises a control system operatively coupled to the motor assembly. The control system has at least two sensors coupled to the saw assembly and the control system is configured to position the saw assembly to cut a target surface based on feedback from the at least sensors.

A blade sharpening system may include a sharpening tool for sharpening a workpiece. The system may also include a sharpening fixture having a mounting surface for mounting a workpiece to be sharpened by the sharpening tool. The mounting surface may be disposed on a sled that is movable along a sharpening path that passes under a sharpening implement that may be mounted to a movable arm of the sharpening tool when the arm is in an engaged position. The movement of the sled may be coupled to the movement of the arm such that moving the arm from a disengaged position to the engaged position initiates the sled to move in a first direction along the sharpening path and moving the arm from the engaged position to the disengaged position initiates the sled to move along the sharpening path in a second direction.