A - Human Necessities – 47 – L
Patent
A - Human Necessities
47
L
15/67
A47L 5/30 (2006.01) A47L 7/02 (2006.01) A47L 9/04 (2006.01)
Patent
CA 1117711
A B S T R A C T A brush-beater assembly for a vacuum cleaner comprises a hollow cylinder having outwardly extending projections formed in the material thereof, and slots diametrically opposed to the projections for receiving brush assemblies. The projections may be formed pneumatic- ally or hydraulically in the cylinder, during the production thereof. An additional projection is provided in front of the brush assemblies.
315052
R. William Wray & Associates
Schaefer Harold W.
LandOfFree
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