| 发明名称 |
VACUUM CLEANER INCLUDING A BELT TENSIONER |
| 摘要 |
A drive mechanism for a vacuum cleaner having a motor and an agitator includes a belt coupled to the motor and the agitator to drive the agitator, and a belt tensioner operable to selectively tension the belt. The belt tensioner includes an arm movable relative to the belt, a shaft coupled to the arm, a pulley rotatably coupled to the shaft, a bearing positioned substantially within the pulley and around a portion of the shaft, and a member fixed to the pulley to retain the bearing within the pulley. |
| 申请公布号 |
US2017020350(A1) |
申请公布日期 |
2017.01.26 |
| 申请号 |
US201515302318 |
申请日期 |
2015.04.08 |
| 申请人 |
Techtronic Industries Co. Ltd. |
发明人 |
Quinn Patrick;Bantum John;Wright Michael;Davila Rafael;Guan Yiping |
| 分类号 |
A47L9/04;A47L5/30;A47L9/16;A47L9/32 |
主分类号 |
A47L9/04 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
1. A drive mechanism for a vacuum cleaner, the vacuum cleaner including a motor and an agitator, the drive mechanism comprising
a belt coupled to the motor and the agitator to drive the agitator; and a belt tensioner operable to selectively tension the belt, the belt tensioner including
an arm movable relative to the belt,a shaft coupled to the arm,a pulley rotatably coupled to the shaft,a bearing positioned substantially within the pulley and around a portion of the shaft, anda member fixed to the pulley to retain the bearing within the pulley. |
| 地址 |
Tsuen Wan, New Territories HK |
