Chain for trencher apparatus
US6014826A · kind A · utility
7Cited by
19References
7Claims
0Family size
Inventors
Key dates
| Filing date | Jun 24, 1997 |
| Grant date | Jan 18, 2000 |
| Priority date | — |
| Expiry date | Jun 24, 2017 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE21C35/188
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A trencher includes a frame. Ground engaging wheels and a chain are mounted on the frame. Sleeves are attached to and extend outwardly from the chain. Rotatable and fixed-orientation teeth can be mounted in the sleeves.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.