| 摘要 |
PROBLEM TO BE SOLVED: To install a brush for massage with a brush for scraping stains out, and to allow motions respectively appropriate to each brush.SOLUTION: A high-speed shaft with a high rotation rate, a low-speed shaft with a low rotation rate and a motor M are provided in a gear case. While each shaft is linked to the motor through a gear, a plurality of swivel rods are raised on one side of the gear case, and base ends of the swivel rods are fixed on each shaft in a condition to be inclined to rotation axes of the high-speed shaft and the low-speed shaft. In addition, a flexible brush board integrally formed with a plurality of arranged hollow columnar brushes is put over one side of the gear case. The gear case is sealed by passing the swivel rods through each hollow part of the columnar brushes. |
