Patent ID: 9636817
Date: 2017-05-02
CPC Classifications: A01B,A46B,B25F

Claim:
1. A multi-function rotary surface treating tool comprising: a drive tube carrying a rotatable drive shaft having an upper connection removably coupled to a rotary driver and a lower connection coupled to a tiller; the lower connection adapted to selectively carry the tiller on a perpendicular mount with respect to the drive tube; an adjustable shroud supported on a raised upper surface of a T-shaped gear case and positionable in a plurality of operating positions; a drive shaft extension tube carrying a drive shaft extension disposed between the upper connection of the drive shaft and the rotary driver, the drive shaft extension being removably coupled to the upper connection of the drive shaft and removably coupled to the rotary driver; and a connecting clamp removably coupling the drive tube extension and the drive tube wherein the tiller comprises a plurality of tiller blades, each having a flat circular plate body and a plurality of teeth circumferentially spaced around the flat circular plate body, an entirety of each tooth being angled with respect to the plate body; wherein the drive shaft includes: wherein the tiller blades are axially spaced along the cross shaft and each tiller blade is removably attached to at least one of said outer ends of the cross shaft via a respective one of a plurality of demountable connectors; wherein each flat circular plate body includes a plurality of pass-through holes configured to allow material to pass through each tiller blade during operation of the tool; and wherein the adjustable shroud includes: