Sweeper with hopper heat shield
US5884353A · kind A · utility
11Cited by
5References
5Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 1, 1997 |
| Grant date | Mar 23, 1999 |
| Priority date | — |
| Expiry date | Dec 1, 2017 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE01H1/0854
- WIPO fieldFurniture, games
- WIPO sectorOther fields
Abstract
A surface maintenance machine includes a body, wheels for supporting the body, a sweeping brush and a debris hopper adjacent the sweeping brush and positioned to receive debris swept by the brush. The hopper has a floor, walls, and a top, all formed of a plastic material, preferably one rated as not supporting combustion in a horizontal direction. There is a heat shield attached to the underside of the hopper top, with the heat shield being formed of a non-combustible material.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.