| 摘要 |
A vacuum cleaner nozzle including a brush which is spring biased in the housing of the nozzle and which is adjustable to three separate positions for cleaning high pile carpets, bare floors and low pile carpets is disclosed. An adjustment lever adjusts the position of a sliding cam member longitudinally along the housing of the nozzle in a manner which selects one of the three operation positions of the brush.
|
