Point attack mine and road milling tool with replaceable cutter tip
US4804231A · kind A · utility
30Cited by
4References
1Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 24, 1985 |
| Grant date | Feb 14, 1989 |
| Priority date | — |
| Expiry date | Jun 24, 2005 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE21C35/1831
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A cutter bit holder which can be used as a point attack mine tool and a road milling tool is described. The cutter bit holder has a replaceable cutter tip which can be replaced in the field when the cutter tip is worn by unscrewing the flange from the shank of the holder and replacing the worn cutter tip with a new one.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.