Brushing – scrubbing – and general cleaning – Machines – With air blast or suction
Patent
1988-08-04
1990-02-27
Moore, Chris K.
Brushing, scrubbing, and general cleaning
Machines
With air blast or suction
15388, 15392, 15402, 15415R, A47L 904
Patent
active
049033697
ABSTRACT:
A suction nozzle device connected to a vacuum cleaner for cleaning beddings such as blankets. The suction nozzle device includes a nozzle which is coupled through a suction passage to an electric blower of the vacuum cleaner and which has a suction opening at its end portion which is arranged so as to face an object to be cleaned. Also included is a pair of rotatable rollers each of which is cylindrically shaped and has on its outer circumferential surface a plurality of tooth-portions which are radially protruded from said outer circumferential surface. The suction opening thereof is positioned to be interposed between the pair of rotatable rollers. Each of the tooth-portions is elongated by a predetermined length in the directions of the axes of the rotatable rollers. Each of the rotatable rollers is divided into a plurality of sections each of which has a predetermined number of the tooth-portions and is formed so as to have at least a flat portion between the tooth-portions. The adjacent ones of the plurality of sections are disposed so that their flat portions are in 180.degree. out-of-phase relation to each other.
REFERENCES:
patent: 1291802 (1919-01-01), Drake
patent: 1907642 (1933-05-01), DeMaree
patent: 1919067 (1933-07-01), Lang et al.
patent: 1957506 (1934-05-01), Smellie
patent: 2227649 (1941-01-01), Hutchinson
patent: 2665979 (1954-02-01), MacFarland
patent: 3753268 (1973-08-01), Bayless
patent: 4403372 (1983-09-01), Keane et al.
Kitamura Hidenori
Murata Yoshitaka
Matsushita Electric - Industrial Co., Ltd.
Moore Chris K.
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