Patent · US Expired

Device for setting a rock bolt

US5114279A · kind A · utility

45Cited by

4References

1Claims

0Family size

Assignee

Atlas Copco Construction and Mining Technique AB · SE

Inventors

Jan Bjerngren · Sollentuna, SE
Sven Eriksson · Gately Drive, SE
Lars Persson · Malmö, SE

Key dates

Filing date	Jun 26, 1991
Grant date	May 19, 1992
Priority date	—
Expiry date	Jun 26, 2011

Classification

Technology area (CPC E)Fixed Constructions
CPC primaryE21D20/006
WIPO fieldCivil engineering
WIPO sectorOther fields

Abstract

Device for setting a rock bolt. The device is provided with a bolt magazine (6) arranged on a feed beam (1). Rock bolts (8) are transferred from the bolt magazine to the setting position in line with a hole drilled in the rock by means of a swingable arm (9) and displacement of a bolt setting machine (5).

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.