Power tools such as cutting saws with rotary powered blades are described. Also described are various accessories for tools used with cylindrical workpieces such as pipes are described. The accessories include a clamp and saw joint assembly, various quick connection assemblies between a saw and a clamping system, a plunge guide assembly, a latch plate assembly, an interlock switch, a blade guard system, and a chip management system or chip deflector. Also described are related methods of use.

A portable saw assembly for use in making square cuts in metal structural components. The portable saw assembly includes a clamping system to hold a work piece in a fixed position with respect to the rotating saw blade and the saw blade is constrained for movement toward and away from the work piece along a specific prescribed path that assures that the saw blade will encounter and then cut the work piece at a right angle with respect to the longitudinal axis of the work piece. Thus, the portable saw assembly can be located on site of the construction and yet can be readily and easily used to cut the structural component along a square cut to facilitate the assembly of the ultimate structure. The clamping system includes clamping inserts to accommodate different sizes and geometric shapes of work pieces while still assuring a square cut thereof.

A portable cutting table, with SLIDE, and a TABLE, an adjustable BACKPLATE to support material being cut, and a BASE, all which support a JIG SAW, mounted upside down on the SLIDE, to allow easy control of cutting to Molding, Millwork, Stair Edging, angled cuts, with easy control of motor/blade speed, and easy visibility of cutting markings on the material being worked upon.

Systems and methods for a table-mounted stand that houses a hand-held masonry cut-off saw. In some embodiments, the stand provides a fixed mount that keeps the saw stationary while the operator is allowed to feed the work piece through the saw with both hands. In some embodiments, the stand is configured to mount and un-mount the saw without the need for separate tools or time-consuming restraints. In some embodiments, the stand includes a throttle control that is activated via foot control, which allows for two-hand manipulation of the work piece being cut by the saw mounted on the stand. In some embodiments, the two-handed work-piece manipulation provided by the stand allows for precise curved and multi-angled cuts. In some embodiments, the stand is made of lightweight construction (e.g., aluminum) for ease of setup and mobilization.

A carriage comprising: a housing able to be slidably mounted on a track, a platform on which can rest an object to be cut by a cutting device mounted on the track, a stop able to stop the object relative to the cutting device while the object rests on the platform, wherein the platform is movable relative to the housing between a raised position and a lowered position wherein the platform is closer to the track than in the raised position, when the housing is slidably mounted on the track.

A saw machine system includes a modular saw machine and a plurality of saw machine implements, wherein the modular saw machine is selectively coupled to the saw machine implements to transform one type of saw machine to another saw machine. By selectively coupling the modular saw machine to the saw machine implement, the saw machine system becomes one of a portable hand-held saw machine, a fixed cutting-head saw machine, and a cutting-head guide-by-rail saw machine.

Various embodiments provide a miter saw assembly including a circular saw detachably coupled to a miter base. The circular saw includes a circular blade, a motor, a power supply, and an attachment mechanism. The motor is operable to rotate the circular blade. The power supply is operable to provide power to the motor. The attachment mechanism detachably couples with a coupling arm of the miter base. The miter base includes a base and a support arm. The support arm includes the coupling arm, a vertical pivot, and a horizontal pivot. The vertical pivot is operable to pivot the coupling arm in a vertical plane. The horizontal pivot is rotatably coupled with the base. The horizontal pivot is operable to rotate the coupling arm in a horizontal plane.

A circular saw miter system for includes a circular saw that has a guide and a blade. A stand is provided and the stand may be positioned on a support surface. The stand may have a board placed thereon. A miter is removably coupled to stand and the miter may position the board at a selected angle on the stand. A pair of tracks is provided and each of the tracks is coupled to the stand. The circular saw is slidably coupled to the tracks and the circular saw may be manipulated. Each of the tracks is positioned above the miter. Thus, the circular saw may cut the board at the selected angle.

A multiple function saw includes a base including an arm selectively movable with respect to the base, the arm being selectively rotatable about a first arm axis at a first end of the arm, towards and away from a substantially planar top surface of the base. A saw having a housing is coupled to the arm at a second end of the arm. The multiple function saw is adjustable to operate in multiple different modes including a first mode with the arm being selectively rotatable about the first arm axis, a second mode with the arm being constrained from rotating about the first arm axis, the arm being substantially stationary with respect to the base, wherein the saw is pivotable about a vertical axis at the second end of the arm such that a face of a saw blade is positionable to operate as a table saw, and a third mode with the saw being moveable horizontally along the base to operate as a radial saw.

In some examples, an apparatus includes a base including an arm selectively movable with respect to the base. The arm is selectively rotatable about a first arm axis. A base plate is engaged with the arm. A tool is configured to be detachably coupled to the base plate. The tool is movable with the base plate when coupled to the base plate. The apparatus includes a first mode with the tool coupled to the base plate and the arm being selectively rotatable about the first arm axis, a second mode with the tool coupled to the base plate and the arm being constrained from rotating about the first arm axis, the arm being substantially stationary with respect to the base; and a third mode with the tool detached from the base plate.