Surface cleaning apparatus
US4776058A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Nov 17, 1987 |
| Grant date | Oct 11, 1988 |
| Priority date | — |
| Expiry date | Nov 17, 2007 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA47L7/0042
- WIPO fieldFurniture, games
- WIPO sectorOther fields
Abstract
A portable vacuum surface cleaning apparatus for taking up and recovering fluids such as liquids, and debris from floors or carpets that includes an elongated circuitous or convoluted passageway having an inlet at one end and an outlet at the other end adapted for communication with a vacuum source and communicating with the recovery chamber through a top access opening in a region thereof intermediately between the inlet and outlet, driven rotary brush associated with the apparatus and supported rearwardly thereof and projecting therebelow for contacting the surfaces to be cleaned; and a diluent or cleaning solution source associated with the apparatus including a discharge flow passage directed rearmost thereof to an outlet from an integral well or repository for the reception of a removable container or capsule having an integral displaceable dispensing valve for diluent or cleaning solutions.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.