Cyclone construction for a surface cleaning apparatus
US8640304B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Mar 12, 2010 |
| Grant date | Feb 4, 2014 |
| Priority date | — |
| Expiry date | Oct 12, 2032 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA47L9/1683
- WIPO fieldFurniture, games
- WIPO sectorOther fields
Abstract
The surface cleaning apparatus includes a cyclone positioned in am air flow passage. The cyclone has a cyclone air inlet and a cyclone air outlet, a dirt outlet spaced from the cyclone air inlet, a cyclone chamber wall and a longitudinal axis. The surface cleaning apparatus also includes a dirt collection chamber in communication with the dirt outlet. The dirt collection chamber has an openable wall mounted to the surface cleaning apparatus by a hinge and a centrally positioned longitudinal axis, the openable wall has a center and a hinge side. The surface cleaning apparatus also includes a plate positioned at an interface of the dirt collection chamber and the cyclone. The plate is moveably mounted to the openable wall. The surface cleaning apparatus also includes a biasing member biasing the plate towards the hinge side of the openable wall a suction motor positioned in the air flow passage.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.