Drive disc and pad assembly for floor buffer

In a floor buffing machine,

• a rotating pad support structure adapted to secure and mount in contact with a floor to be buffed and to rotationally drive a porous floor buffing pad, said structure comprising a drive plate having a normally horizontal planar position in use with said pad mounted on the underside thereof, said plate being formed with a plurality of openings therethrough providing airways in communication with said pad;
• a vane carried by said plate at one side of each of said openings and inducing upon rotation of said plate a normally upward airflow through said pad and openings;
• and
• means depending from said plate at the opposite sides of said openings and piercing said pad for joint movement and for restraining said pad against centrifugal expansion.