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A cleaning apparatus having a housing, a motor, a transmission, an attachment stud, and a cleaning attachment removably connected to the stud. The stud has a leading section with a general triangular block shape and three generally triangular shaped cantilevered tips. The stud is received through a

A cleaning apparatus having a housing, a motor, a transmission, an attachment stud, and a cleaning attachment removably connected to the stud. The stud has a leading section with a general triangular block shape and three generally triangular shaped cantilevered tips. The stud is received through a generally triangular shaped aperture in the cleaning attachment. The apparatus can reverse the normal rotation direction of the stud to allow the cleaning attachment to quickly disconnect from the stud without a user having to hold the cleaning attachment.

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In a cleaning apparatus having a housing, a motor location in the housing, and a transmission connection an output shaft of the motor to a mount for attachment a cleaning attachment, wherein the improvement comprises: a selected one of the mount and cleaning attachment having a leading section with

In a cleaning apparatus having a housing, a motor location in the housing, and a transmission connection an output shaft of the motor to a mount for attachment a cleaning attachment, wherein the improvement comprises: a selected one of the mount and cleaning attachment having a leading section with a generally triangular block shape and a shaft section, the leading section having three generally triangular shaped cantilevered tips; the other of the mount and cleaning attachment having a receiving area with a generally triangular shaped aperture through which the leading section of the mount is passed; the shaft section of the mount is located in the aperture; the receiving area has three shelves that rest on rear sides of the triangular shaped tips; and the receiving area furthest has blocks next to the shelves to stop rotation of the leading section of the mount in the receiving area in a first direction.