Patent ID: 7232277

Claim:
A concrete tool assembly used on a surface, the concrete tool assembly comprising: a surfacing apparatus including (i) a frame, (ii) a first trowel assembly that is movably coupled to the frame, the first trowel assembly including a plurality of first trowels, (iii) a second trowel assembly that is movably coupled to the frame, the second trowel assembly including a plurality of second trowels, and (iv) a pitch mover that adjusts the pitch of the first trowels and the pitch of the second trowels relative to the surface at approximately the same time; wherein the pitch mover includes (a) a first output that is coupled to all of the plurality of first trowels with a first adjuster, (b) a second output that is coupled to all of the plurality of second trowels with a second adjuster, and (c) a motor that moves both outputs concurrently, wherein the movement of the first output causes the first adjuster to move and the pitch of all of the plurality of first trowels to be concurrently adjusted, and wherein the movement of the second output causes the second adjuster to move and the pitch of all of the plurality of second trowels to be concurrently adjusted.