Brushing – scrubbing – and general cleaning – Machines – With air blast or suction
Reexamination Certificate
2005-11-22
2005-11-22
Snider, Theresa T. (Department: 1744)
Brushing, scrubbing, and general cleaning
Machines
With air blast or suction
C015S349000, C015S352000, C015S340400
Reexamination Certificate
active
06966097
ABSTRACT:
Street sweeper having dust control from two or more cleaning heads with one air source where one fan provides vacuum for a centrally located rotating broom which is surrounded by a vacuumized chamber and for a gutter broom which is surrounded by a vacuumized chamber. A plenum having a unique valving system and a filter shaker mechanism provides for filter cleaning and for a dirt and debris path from the plenum to a hopper bottom during filter cleaning.
REFERENCES:
patent: 1610119 (1926-12-01), Butler
patent: 3008542 (1959-10-01), Steele
patent: 3160908 (1964-12-01), Peabody et al.
patent: 3173777 (1965-03-01), Tamny
patent: 3186021 (1965-06-01), Krier et al.
patent: 3304572 (1967-02-01), Wendel
patent: 3484889 (1969-12-01), McCandless
patent: 3604051 (1971-09-01), Wendel et al.
patent: 3639940 (1972-02-01), Carlson et al.
patent: 3756416 (1973-09-01), Wood
patent: 3792569 (1974-02-01), Carlson et al.
patent: 3881215 (1975-05-01), Krier et al.
patent: 3926596 (1975-12-01), Coleman
patent: 4017281 (1977-04-01), Johnstone
patent: 4032307 (1977-06-01), Sommerfeld
patent: 4578840 (1986-04-01), Pausch
patent: 4660248 (1987-04-01), Young
patent: 4759781 (1988-07-01), Olson
patent: 4903368 (1990-02-01), Duthie et al.
patent: 5006136 (1991-04-01), Wetter
patent: 5303448 (1994-04-01), Hennessey et al.
patent: 6192542 (2001-02-01), Frederick et al.
patent: 6195836 (2001-03-01), Vanderlinden
patent: 6195837 (2001-03-01), Vanderlinden
patent: 2004/0020003 (2004-02-01), Strauser
patent: 1256241 (1967-12-01), None
Tennant Company, The Sentinel ™Power Sweeper marketing brochure (6 pages).
Engel Gregory J.
Olsonoski Theodore J.
Altera Law Group LLC
Snider Theresa T.
Tennant Company
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