| 摘要 |
<p>An upright vacuum cleaner (10) includes a housing (14,16), a nozzle opening in the housing (14) and a dust collector (12) carried on the housing (16). A suction fan (34) is also carried on the housing (16). The suction fan (34) draws air, dirt and debris from a surface to be cleaned through the nozzle opening to the dust collector (12). The upright vacuum cleaner (10) also includes a first rotary agitator (38a) and a second rotary agitator (38b), both carried on the housing (14). A drive motor (35) carried on the housing (14) drives the first rotary agitator (38a) through the belt (64,66) and pulley assembly (62, 68). A gear drive assembly (60) drivingly connects the first rotary agitator (38a) to the second rotary agitator (38b).</p> |
