ROTOR BLADE AND ROTOR OF SMOOTHING MACHINE, PARTICULARLY CONCRETE POLISHING MACHINE

摘要

The rotor blade (18), fastened to an arm (20), consists of a metal or plastic plate (24) and a spacer bar (22) between the plate and arm. The spacer bar is not fixed to the plate, and the two can be separated once machine screws (30) with countersuck heads, inserted through smooth holes and fastened by nuts (44), have been removed.