Brushing – scrubbing – and general cleaning – Machines – With air blast or suction
Patent
1984-09-28
1986-02-25
Moore, Chris K.
Brushing, scrubbing, and general cleaning
Machines
With air blast or suction
15339, 15352, 15391, A47L 916, A47L 532
Patent
active
045717729
ABSTRACT:
A vacuum cleaning appliance having dual spaced apart air conveying pipes (13, 14) supporting a cap (15) for a dirt container is described. The pipes are supported on a casing (11) mounting a movable cleaning head (10). The appliance is also convertible to a tank type cleaner using a handle (30) for the appliance.
REFERENCES:
patent: 1759947 (1930-05-01), Lee
patent: 2184732 (1939-12-01), Brewer
patent: 3040362 (1962-06-01), Krammes
patent: 3482276 (1969-12-01), Fillery
patent: 3634905 (1972-01-01), Boyd
patent: 3790987 (1974-02-01), MacFarland
patent: 4377882 (1983-03-01), Dyson
Technology-Apr. 25, 1983.
McLeod Ian C.
Moore Chris K.
Prototypes, Ltd.
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