Floor polisher
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Mar 27, 1990
Grant Date -
N/A
app pub date -
Nov 15, 1988
filing date -
Nov 17, 1987
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A floor polisher, while travelling, causes a pad to rotate at a high speed to polish a floor. The floor polisher has a vertically moving mechanism adapted to move the pad in the vertical direction with respect to the floor, a ground pressure adjusting mechanism adapted to maintain a ground pressure of the pad a set pressure by controlling the vertically moving mechanism, and a floor protecting mechanism adapted to actuate the vertically moving mechanism to lift the pad immediately when the travel of the floor polisher is stopped.
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