06830120 is referenced by 132 patents and cites 1 patents.

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.

Title
Floor working machine with a working implement mounted on a self-propelled vehicle for acting on floor
Application Number
10/42693
Publication Number
6830120 (B1)
Application Date
July 1, 1999
Publication Date
December 14, 2004
Inventor
Yasuhiro Ueda
Osaka
US
Takashi Yashima
Osaka
US
Agent
Fulbright & Jaworski L
US
Assignee
Penguin Wax
US
IPC
B60T 7/16
View Original Source