Excavation bucket
US4896444A · kind A · utility
15Cited by
8References
7Claims
0Family size
Inventors
Key dates
| Filing date | Jul 28, 1988 |
| Grant date | Jan 30, 1990 |
| Priority date | — |
| Expiry date | Jul 28, 2008 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE02F3/40
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
An excavation bucket having a closed top and an open front and comprising two opposed sidewalls each with a flat and an outwardly extending flanged portion, which bucket digs an excavation which has a combination of a vertical wall area with an adjacent and contiguous sloped wall area. Teeth are mounted outwardly from the flanged portions of the sidewalls producing a terracing effect in the sloped sidewall area of the excavation.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.