Title: Wet-dry vacuum sweeper

Abstract: There is disclosed a wet-dry vacuum sweeper including a waste receptacle mounting a separator for receipt of air and entrained solids from a sweeper head for separation of the larger solids by centrifugal separation and passage of the exhaust flow directly to atmosphere or, at the selection of the operator, through a filtration system including upstanding tubular filters for further filtration of smaller particles from the flow stream.

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Inventors: Thompson, David L. (Long Beach, CA, US)

Application Number: 898836
Filing Date: 1978-04-21
Publication_date: 1980-01-15
Assignee:
Primary Class(es): 15/353 15/340.1, 55/314, 55/324, 55/467
Other Classes:
US Patent Ref:

3842461	Oct, 1974	Wurster	15/353.
3870489	Mar, 1975	Shaddock	15/353.
3973935	Aug, 1976	Moor, Jr.	55/314.
4062085	Dec, 1977	Duncan	15/353.

Other Refs:
Primary Examiner: Moore, Christopher K.
Assistant Examiner:
Attorney: Fulwider, Patton, Rieber, Lee & Utecht