Cylinder vacuum cleaner
US9282865B2 · kind B2 · utility
0Cited by
6References
11Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 16, 2012 |
| Grant date | Mar 15, 2016 |
| Priority date | — |
| Expiry date | Jan 16, 2032 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA47L9/009
- 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 rear swivel castor for supporting the main body on the floor, the rear castor having a negatively-raked swivel axis which is offset from a wheel axis of the castor to provide a positive castor trail.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.