Cleaning machine
US5129125A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Oct 29, 1990 |
| Grant date | Jul 14, 1992 |
| Priority date | — |
| Expiry date | Oct 29, 2010 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE01H1/0836
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A cleaning machine includes a frame having wheels, a suction blower having an inlet and an outlet mounted on the frame, an intake opening communicated with the inlet of the suction blower for sucking dirt containing relatively large dirt such as fallen leaves and relatively small dirt such as dust together with air, a main separator for separating the relatively large dirt, a subseparator for separating the relatively small dirt from the air having passed through the main separator, and a dirt receptacle made of an air-impermable material detachably attached under the main separator through a pivoting rod which is pivotably mounted to the frame so as to support the receptacle to the main separator and a clamp member for securing the dirt receptacle to the main separator.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.