| 摘要 |
<p>984,046. Suction cleaners; carpet sweepers. PHILIPS' GLOEILAMPENFABRIEKEN N.V. Feb. 11, 1964 [Feb. 14, 1963], No. 5674/64. Heading A4F. A beater roller for a suction cleaner or carpet-sweeper has a body formed in two parts 3, 4 between which is clamped a plate-shaped beating element having projecting parts 6, 7. The clamping surfaces are twisted so that the parts 6, 7 are helical.</p> |
