Material pushing vehicle having pivotal blade portion
US4029157A · kind A · utility
2Cited by
6References
4Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | May 28, 1976 |
| Grant date | Jun 14, 1977 |
| Priority date | — |
| Expiry date | May 28, 1996 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE02F3/8157
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A work vehicle of the material pushing type has a blade having first and second portions. The second blade portion is pivotally movable in response to forces subjected thereupon. Biasing means is provided for urging the second blade portion in a preselected direction.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.