Brushing – scrubbing – and general cleaning – Machines – With air blast or suction
Reexamination Certificate
2007-12-25
2007-12-25
Redding, David (Department: 1744)
Brushing, scrubbing, and general cleaning
Machines
With air blast or suction
C015S347000, C015S353000, C015S246200
Reexamination Certificate
active
10901144
ABSTRACT:
An air-flowing direction distributor of an industrial dust-collector is provided with a pipe end at one side to be connected with the pipe of the main body of an industrial dust-collector, and two pipe ends are provided at the other side of the air-flowing direction distributor to be connected with the front end of an air blower. The air-flowing direction distributor is provided with four partition boards in the interior, a passage is provided in each partition board, a movable rod is provided in the interior of the air-flowing direction distributor to penetrate through each passage, and the movable rod is provided with sealing blocks.
REFERENCES:
patent: 4933017 (1990-06-01), Brzoska
patent: 6902594 (2005-06-01), Cho
patent: 7107646 (2006-09-01), Cho
Redding David
Rosenberg , Klein & Lee
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