Lift off mechanism for a vacuum cleaner
US5974625A · kind A · utility
45Cited by
8References
24Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jul 24, 1996 |
| Grant date | Nov 2, 1999 |
| Priority date | — |
| Expiry date | Jul 24, 2016 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA47L9/325
- WIPO fieldFurniture, games
- WIPO sectorOther fields
Abstract
A height adjustment mechanism for a vacuum cleaner includes forwardly positioned lift off wheels which move downwardly when the handle of the vacuum cleaner is moved to the raised position. Two transfer members convert the rotational movement of the handle to vertical motion of the lift off wheels.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.