Device for scrubbing surfaces
US4138764A · kind A · utility
1Cited by
3References
6Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 2, 1977 |
| Grant date | Feb 13, 1979 |
| Priority date | — |
| Expiry date | Aug 2, 1997 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA47L11/4091
- WIPO fieldFurniture, games
- WIPO sectorOther fields
Abstract
A device for scrubbing surfaces having two crank-rocker mechanisms wherein a scrubber element is mounted on the rocking link of each crank-rocker mechanism, the scrubber elements having recessed portions arranged so that as the crank-rocker mechanisms operate, the scrubbers scrub overlapping areas but do not collide.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.