Cylinder vacuum cleaner
US9009911B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jan 16, 2012 |
| Grant date | Apr 21, 2015 |
| Priority date | — |
| Expiry date | Jan 16, 2032 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA47L9/242
- WIPO fieldFurniture, games
- WIPO sectorOther fields
Abstract
A cylinder vacuum cleaner comprising a main body which is fluidly connected to a suction hose used to pull the main body forwards along a floor, and a front swivel castor for supporting the main body on the floor, the front castor comprising a frame mounted for rotation about a swivel axis and one or more wheels mounted on the frame, the hose being connected to the frame for co-rotation with the frame about the swivel axis, wherein the swivel axis is positively raked.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.