Brushing – scrubbing – and general cleaning – Implements – Brush or broom
Patent
1978-06-28
1979-11-13
Feldman, Peter
Brushing, scrubbing, and general cleaning
Implements
Brush or broom
291215, A46B 1302
Patent
active
041738071
ABSTRACT:
A cleaning implement, especially vacuum cleaner, with a brush for incorporation in a vacuum cleaner nozzle, which has a shaft with bristles mounted at its ends in bearings in an implement housing. In order to restrict penetration of hairs and like foreign bodies, picked up by the bristles, into the bearings, the shaft is provided with at least one transverse circumferential depression. A longitudinal groove is provided so that hairs and threads collected on the shaft can be gathered and cut.
REFERENCES:
patent: 1286321 (1918-12-01), Hoover
patent: 1401007 (1921-12-01), Staples
patent: 1889224 (1932-11-01), Smellie
patent: 2491007 (1949-12-01), Koch
patent: 3104413 (1963-09-01), Nelson
patent: 3167802 (1965-02-01), Pratt et al.
patent: 4042997 (1977-08-01), McDowell et al.
Dupro AG
Feldman Peter
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