Abstract: A high speed floor burnishing machine in which fine particles generated by the burnishing action are confined, having a burnishing disc which is completely enclosed in a housing. The housing has a peripheral domed flange terminating in a sponge rubber skirt in contact with the floor, and is mounted to float in response to unevenness in the floor level. The weight of the housing compresses the skirt to the extent of 0.19 to 0.25 pounds per linear inch of skirt circumference to seal the enclosure. In one form of the invention the housing floats on a pair of sleeves surrounding bolts screwed into the base of the machine. In another form the housing is suspended from a flexible diaphragm surrounding the drive shaft.

Abstract: An improved suction head for a surface vacuum cleaning apparatus which includes a glide shoe having slots on the bottom thereof adjacent to the leading and trailing edges of the shoe, a vacuum conduit in fluid communication with the glide shoe slots, a nozzle positioned within the interior of the head and between the leading and trailing glide shoe slots to spray cleaning fluid onto a soiled surface, and means for permitting air to continuously flow to the soiled surface through the interior of the suction head when the glide shoe is in contact with the soiled surface whereby air flows continuously into the slots from both the interior and the exterior of the head during operation so as to assure that substantially all of the cleaning fluid sprayed is drawn into the glide shoe slots.