| 摘要 |
<p>A vacuum cleaner nozzle (40) including a nozzle head (44), the nozzle head including at least one mechanical beater (70) and at least one sonic beater (62). In an embodiment of the invention, the at least one sonic beater (62) includes a beater portion (300) and an actuating member that vibrates the beater portion (300), and the beater portion (300) includes a hollow cylinder (350).</p> |
