US Patent 7614107 Cleaning apparatus with reciprocating brush head

A cleaning apparatus includes an elongated housing bounding a chamber with a motor disposed therein. A drive shaft is at least partially disposed within the chamber of the housing, the drive shaft being coupled with the motor such that during selective operation of the motor the drive shaft is rotated continuously. A head assembly includes an elongated head housing having a head drive shaft and a brush head mounted thereon. The head assembly is adapted to be selectively coupled with the body assembly so that the body drive shaft is coupled with the head drive shaft.