Vacuum cleaner including a belt tensioner
US9949604B2 · kind B2 · utility
4Cited by
2References
16Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 8, 2015 |
| Grant date | Apr 24, 2018 |
| Priority date | — |
| Expiry date | Apr 8, 2035 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA47L9/325
- WIPO fieldFurniture, games
- WIPO sectorOther fields
Abstract
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.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.