Brushing – scrubbing – and general cleaning – Machines – With air blast or suction
Patent
1982-06-29
1984-04-24
Moore, Chris K.
Brushing, scrubbing, and general cleaning
Machines
With air blast or suction
A47L 532
Patent
active
044439105
ABSTRACT:
A vacuum cleaner for selective conversion between on-the-floor and above-the-floor cleaning. The basic upright vacuum cleaner includes a joint with a through passageway connecting the handle to the floor nozzle and through which the suction air passes. The joint includes a wall with a selectively openable passageway into which an adaptor, coupled to a hose, may be selectively inserted. Insertion of the adaptor cuts off the suction path to the floor nozzle and creates a suction path through the adaptor and associated hose to a wand and cleaning tool.
REFERENCES:
patent: 2046658 (1936-07-01), Smellie
patent: 2080480 (1937-05-01), Hoover
patent: 2682680 (1954-07-01), Trimble
patent: 3321794 (1967-05-01), Jepson et al.
patent: 4225999 (1980-10-01), Martinec et al.
General Signal Corporation
Kleinman Milton E.
Mednick Jeffrey S.
Moore Chris K.
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