Snow removal apparatus
US4346527A · kind A · utility
19Cited by
4References
9Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Feb 25, 1981 |
| Grant date | Aug 31, 1982 |
| Priority date | — |
| Expiry date | Feb 25, 2001 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE01H5/094
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
Snow removal apparatus has a housing open at its front end in which a central fan blower is mounted. Mounted to the housing forwardly of and flanking the central fan are a pair of vertically rotating clearing screws. Each of the screws is also provided with a deflector which is movable in a circular path concentric with the axis of rotation so as to provide a selectively positionable backing or rear wall therefor.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.