Scraper elevator with lower drive sprockets
US4053997A · kind A · utility
5Cited by
11References
13Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 18, 1973 |
| Grant date | Oct 18, 1977 |
| Priority date | — |
| Expiry date | Oct 18, 1993 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE02F3/6454
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
An elevator mechanism for an elevating scraper in which the sprockets which drive the elevator chains are located immediately adjacent the ground in the loading position.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.