Cleaning apparatus
First Claim
Patent Images
1. An apparatus for cleaning a surface comprising:
- a) a frame;
b) a cleaning member rotatably arranged on the frame, and a first drive means for rotatably driving the cleaning member;
c) two rear wheels arranged on the frame; and
d) an auxiliary drive unit comprising an auxiliary wheel arranged on the frame substantially between the two rear wheels and second drive means for driving the auxiliary wheel and assisting the forward movement of the apparatus.
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Accused Products
Abstract
An apparatus for cleaning a surface is described. The apparatus has a frame and a cleaning member with a brush that rotates on the frame to clean a floor. The apparatus also has main support wheels drive unit, and an auxiliary drive unit with an auxiliary wheel to improve the mobility of the apparatus.
9 Citations
6 Claims
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1. An apparatus for cleaning a surface comprising:
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a) a frame; b) a cleaning member rotatably arranged on the frame, and a first drive means for rotatably driving the cleaning member; c) two rear wheels arranged on the frame; and d) an auxiliary drive unit comprising an auxiliary wheel arranged on the frame substantially between the two rear wheels and second drive means for driving the auxiliary wheel and assisting the forward movement of the apparatus. - View Dependent Claims (2, 3, 4, 5, 6)
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Specification