Brushing – scrubbing – and general cleaning – Machines – With air blast or suction
Patent
1980-05-08
1983-08-02
Coe, Philip R.
Brushing, scrubbing, and general cleaning
Machines
With air blast or suction
15420, A47L 500, A47L 900
Patent
active
043957943
ABSTRACT:
A vacuum cleaner intake device formed of a V-shaped housing widening in the direction of working. The housing has a funnel shape nozzle, a fitting at the apex of the nozzle for connection to a source of suction and a pair of arms extending in a V-shape respectively forwardly and laterally of the nozzle. A pair of side walls are provided each having a skid at its lower edge elevating said housing above the floor. A hood covers and defines with the arms and the side walls a collection chamber open at the forward and rear edges. Each of the arms are provided on their bottom surface with a pair of spaced battens defining between them an elongated suction groove open to the collection chamber and extending outwardly through the side wall.
REFERENCES:
patent: 1272665 (1918-07-01), Isom
patent: 1782882 (1930-11-01), Rippey
patent: 2131398 (1938-09-01), Hubbart
patent: 2235226 (1941-03-01), Lofgren et al.
patent: 3054130 (1962-09-01), Ferrari
patent: 3984894 (1976-10-01), Brock et al.
Coe Philip R.
Ing. Alfred Schmidt GmbH
Schaffer Murray
Simone Timothy F.
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