Surface treating head
US9451856B2 · kind B2 · utility
3Cited by
1References
13Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 20, 2015 |
| Grant date | Sep 27, 2016 |
| Priority date | — |
| Expiry date | Mar 20, 2035 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA47L11/30
- WIPO fieldFurniture, games
- WIPO sectorOther fields
Abstract
A surface treating head comprising a first body defining an inner aperture, and a support body defining an outer aperture, the outer aperture surrounding the inner aperture, and the support body being moveable relative to the first body to allow for relative movement between the inner and outer apertures in a substantially vertical direction, wherein the surface treating head further comprises a bellow seal provided between the first body and the support body that maintains a substantially airtight seal between the first body and support body irrespective of their relative positions and movements.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.