Brushing – scrubbing – and general cleaning – Machines – With air blast or suction
Patent
1993-04-23
1995-03-07
Scherbel, David A.
Brushing, scrubbing, and general cleaning
Machines
With air blast or suction
15392, 15389, A47L 906
Patent
active
053945883
ABSTRACT:
A nozzle head for a vacuum cleaner employing a roller-shaped duster that can be rotated and removed in order to improve efficiency of duster-cleaning. The nozzle head comprises outer and inner casings spaced from each other, a duster supporting shaft detachably and rotatably mounted in the inner casing, a roller-shaped duster member inserted on the duster supporting shaft, a duster holding member which has means for holding the duster supporting shaft and is slidably mounted in the inner casing, means for locking the duster holding member which is fixed to the inner casing, and means for stopping the duster supporting shaft which is disposed between the duster holding member and the opposite ends of the duster supporting shaft.
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patent: 4976003 (1990-12-01), Williams
patent: 5077862 (1992-01-01), Rench
Kim Im M.
Kweon Hyeog M.
Min Young G.
Goldstar Co. Ltd.
Scherbel David A.
Till Terrence R.
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