Brushing – scrubbing – and general cleaning – Machines – With air blast or suction
Patent
1999-01-27
2000-12-19
Moore, Chris K.
Brushing, scrubbing, and general cleaning
Machines
With air blast or suction
15404, 154151, 15421, A47L 904
Patent
active
061612510
ABSTRACT:
Suction nozzle for a vacuum cleaner including a suction nozzle body including; a main air flow passage having a main suction hole for drawing external air and a discharge hole for providing the drawn air to a body of the vacuum cleaner, and a supplementary air flow passage having a supplementary air flow passage for drawing external air and an opening for providing the external air drawn through the supplementary suction hole to the main air flow passage, and vibration generating means mounted in the supplementary air flow passage for generating a vibrating force by an air flow drawn through the supplementary suction hole, thereby facilitating an automatic removal of various foreign matters stuck to a surface of bedding, whereby improving a cleaning efficiency.
REFERENCES:
patent: 2031957 (1936-02-01), Karlstrom
patent: 2096517 (1937-10-01), Hurley
patent: 2178003 (1939-10-01), Smellie
patent: 2280751 (1942-04-01), Davis
patent: 2658228 (1953-11-01), Meyerhoefer
patent: 2825925 (1958-03-01), Acheson
patent: 2864119 (1958-12-01), Crise
patent: 3203023 (1965-08-01), Jepson et al.
patent: 3225379 (1965-12-01), Cummins
patent: 5033148 (1991-07-01), Chauvier et al.
Choi Yong Bok
Jeong Hoi Kil
Lee Dong Yool
Lim Kyoung Suk
Park Sang Jun
LG Electronics Inc.
Moore Chris K.
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