Classifying – separating – and assorting solids – Fluid suspension – Gaseous
Reexamination Certificate
1998-08-20
2001-04-17
Ellis, Christopher P. (Department: 3651)
Classifying, separating, and assorting solids
Fluid suspension
Gaseous
C209S143000, C015S300100, C015S354000, C406S038000, C406S151000
Reexamination Certificate
active
06216876
ABSTRACT:
FIELD OF THE INVENTION
The present invention concerns lawn tools, and provides a lawn suction device to capture and remove nuts.
BACKGROUND OF THE INVENTION
Nuts dropped from nut bearing trees-during the fall season are a tremendous problem for homeowners, especially on freshly planted lawns. Nuts resist conventional removal techniques such as raking and blowing, and sprout during the spring in lawns. What is needed is a device capable of removing nuts from home lawns without destroying the lawn or clogging too frequently.
SUMMARY OF THE INVENTION
In one aspect the invention provides a vacuum assisted nut collection device comprising suction means, a substantially enclosed outer casing secured to the suction means and comprising a receiving pan, and a suction tube penetrating the outer casing and comprising a first opening within the outer casing and a second opening outside the outer casing, wherein the outer casing is sufficiently enclosed to sustain a vacuum capable of drawing nuts through the suction tube into the outer casing.
REFERENCES:
patent: 993180 (1911-05-01), Leaphart
patent: 1047164 (1912-12-01), Butenschoen
patent: 2767031 (1956-10-01), Huffman
patent: 2813757 (1957-11-01), Shirk
patent: 4086706 (1978-05-01), Lesk et al.
patent: 4793743 (1988-12-01), Grodecki et al.
patent: 5174689 (1992-12-01), Kondolf
patent: 84298 (1954-09-01), None
patent: 48102 (1981-02-01), None
Dillon, Sr. Joe
Ellis Christopher P.
Quillian, III Henry M.
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