Funneling machine with inclined advancing rams
US4113316A · kind A · utility
2Cited by
6References
6Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 15, 1976 |
| Grant date | Sep 12, 1978 |
| Priority date | — |
| Expiry date | Oct 15, 1996 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE21D9/01
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A vehicle for use in mine workings for enlarging a tunnel or for forming a heading and comprising a wheeled chassis having a rock breaker and a bucket loader mounted thereon further includes a conveyor means extending generally longitudinally of the chassis to receive rock and spoil collected by the bucket loader at the forward end of the chassis and to discharge such rock and spoil at the rearward end of such chassis. Rams are provided laterally of the chassis for supporting the same relative to opposed surfaces of the workings.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.