Brushing – scrubbing – and general cleaning – Machines – With air blast or suction
Reexamination Certificate
2006-05-30
2006-05-30
Snider, Theresa T. (Department: 1744)
Brushing, scrubbing, and general cleaning
Machines
With air blast or suction
C015S349000, C015S083000
Reexamination Certificate
active
07051402
ABSTRACT:
A vehicle has a container that receives swept debris. A primary sweeper assembly has a primary axle with wound cables in a helical configuration. A primary shroud supports the primary sweeper assembly and the axle adjacent to its ends. Disk-shaped turbines are mounted on the axle within the shroud. A turbine is located adjacent to each end of the axle with a primary tube there above. A supplemental shroud encompasses the primary shroud. A supplemental turbine is coupled to and rotatable with the primary axle with a secondary tube.
REFERENCES:
patent: 1323925 (1919-12-01), Stewart
patent: 1718293 (1929-06-01), Hoover
patent: 2178003 (1939-10-01), Smellie
patent: 4620341 (1986-11-01), Rigby
patent: 5802666 (1998-09-01), Jung
patent: 5884359 (1999-03-01), Libhart
patent: 6314611 (2001-11-01), Sauers
Dutkiewicz Edward P.
Snider Theresa T.
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