Surface cleaning machine with squeegee assembly
US4429433A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Aug 27, 1982 |
| Grant date | Feb 7, 1984 |
| Priority date | — |
| Expiry date | Aug 27, 2002 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE01H1/103
- WIPO fieldFurniture, games
- WIPO sectorOther fields
Abstract
A surface cleaning machine is provided which employs a drum broom at a forward portion of the machine for sweeping the floor, a hopper in front of the drum broom to receive debris therefrom, a plurality of disc-type scrubbing brushes at an intermediate portion of the machine for scrubbing the floor, and a squeegee assembly therebehind. A solution or supply tank and a recovery tank are located in side-by-side relationship at a forward portion of the machine, the solution tank supplying clean solution for the disc brushes and the recovery tank receiving dirty solution gathered by the squeegee assembly. The squeegee assembly is connected to the machine by arms which also raise and lower the assembly, the arms being engaged by a mounting plate carrying the disc brushes so that both the squeegee assembly and the disc brushes can be raised and lowered by common mechanism. The squeegee assembly has front and rear squeegee blades which are attached to a supporting member by clamping bands at the rear of the rear squeegee blade, the bands clamping both blades in place relative to the supporting member. The clamping arrangement requires no special attaching provisions such as fasteners and h…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.