Brushing – scrubbing – and general cleaning – Machines – With air blast or suction
Patent
1981-10-22
1983-11-22
Moore, Chris K.
Brushing, scrubbing, and general cleaning
Machines
With air blast or suction
15418, 15419, A47L 902
Patent
active
044160348
ABSTRACT:
An arrangement for front suction on a vacuum cleaner, which includes a lever or a spring on a front side of the vacuum cleaner. The lever or the spring lifts the vacuum cleaner from the floor in response to a counter pressure exerted on the lever or the spring by a limiting wall, when the vacuum cleaner abuts against that limiting wall.
REFERENCES:
patent: 2513587 (1950-07-01), Reeves
Ahlf Heinz-Jurgen
Guhne Wieland
Moore Chris K.
Striker Michael J.
Vorwerk & Co. Interholding GmbH
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