Feeding device for a rock drilling machine
US5000271A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Jul 7, 1989 |
| Grant date | Mar 19, 1991 |
| Priority date | — |
| Expiry date | Jul 7, 2009 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE21B19/084
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A feeding device for a rock drilling machine (3) comprising a cradle (1); and a feeding beam (2) mounted longitudinally displaceably with respect to the cradle (1), the drilling machine (3) being displaceable along the feeding beam. Displacing means comprise a chain (6) forming a closed loop, being arranged to move around turning wheels (4, 5) provided at both ends of the feeding beam (2), and connected stationary with respect to the drilling machine (3). The drilling machine (3) is arranged to be connected stationary with respect to the feeding beam (2) over its whole range of movement relative to the feeding beam (2) and the feeding beam (2) with respect to the cradle (1) over its whole range of movement relative to the cradle (1).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.