A - Human Necessities – 47 – L
Patent
A - Human Necessities
47
L
15/42, 15/61
A47L 5/12 (2006.01) A47L 5/26 (2006.01) A47L 7/04 (2006.01) A47L 9/12 (2006.01)
Patent
CA 1176411
ABSTRACT OF THE DISCLOSURE The present invention proposes a new type of debris collecting device and a technique associated therewith which avoids the drawing of debris through the moving components of the suction device, is simple in construction, and easily separates and collects debris. A collecting passage is provided through which debris is drawn from the ground, which passage has a negative pressure therein due to flow thereacross through an intersecting flow passage.
376977
Gowling Lafleur Henderson Llp
Komatsu Zenoah Co.
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