| 摘要 |
PROBLEM TO BE SOLVED: To provide a suction head of a vacuum cleaner wherein hair or the like coiling around a rotating brush is prevented to invade into a bearing to clasp a supporting shaft. SOLUTION: The suction head includes a bottom casing 2 having a suction aperture 3, the rotating brush 30 which is equipped with two or more rotating cleaners on a peripheral surface in a longitudinal direction and is rotatably supported in the bottom casing 2 to rotate by introduced air flow, an upper casing 5 which covers the upper surface of the bottom casing 2 and a connection pipe which is held between the bottom casing 2 and the upper casing 5, wherein supporting rings 50a and 50b are fixed at both the end sides of the rotating brush 30, the bearing 61 which supports the supporting rings 50 is held between the bottom casing 2 and the upper casing 5, and the connection between the bearing 61 and the supporting rings 50a and 50b has labyrinth structure. COPYRIGHT: (C)2005,JPO&NCIPI
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