Floor working machine with a working implement mounted on a self-propelled vehicle for acting on floor

Abstract

A floor working machine including a self-propelled vehicle body including a working implement for treating a floor surface; U-turn control means for causing the self-propelled vehicle body to make a U-turn automatically to adjust the working implement to a work line adjacent a work line treated before said U-turn; spin turn control means for causing the self-propelled vehicle body to make a spin turn automatically to align said working implement to a work line treated before the spin turn; and running control means for automatically controlling said U-turn control means and the spin turn control means in response to input signals for causing the self-propelled vehicle body to make selectively a U-turn under control of the U-turn control means and a spin turn under control of the spin turn control means.

Dependencies are inferred from the claim text.