Pushing apparatus, and methods of constructing and utilizing same
US4709492A · kind A · utility
26Cited by
10References
20Claims
0Family size
Inventor
Key dates
| Filing date | Jul 10, 1986 |
| Grant date | Dec 1, 1987 |
| Priority date | — |
| Expiry date | Jul 10, 2006 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE02F3/8152
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A device for back scraping snow, earth, or other like substances which generally includes a truck having a concave snowplow blade mounted on its front. The blade has shoes provided on its backside, wedge shaped hinged connections mounted on the shoes, and a flat blade mounted pivotably on said wedge brackets. When the flat blade is brought in contact with snow to be scraped and the snowplow blade is moved in a backwardly direction, the snow to be scraped is moved by the flat blade.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.