Rock bolting apparatus

Details Rock bolting apparatus Rock bolting apparatus

1978-02-28

1979-06-19

Staab, Lawrence J.

Hydraulic and earth engineering

Earth treatment or control

Chemical

173 29, 173 52, 173 43, 173 31, 173147, E21D 1100

Patent

active

041585208

ABSTRACT:
A rock bolting apparatus is shown in which a rock drill and a rock bolt setting device are interchangeable on the same elongated guide of a feed beam. When the rock drill is in operative position on the feed beam, the bolt setting device hangs on the side of the feed beam and vice versa.

REFERENCES:
patent: 2306040 (1942-12-01), Curtis
patent: 3141511 (1964-07-01), O'Leary
patent: 3218893 (1965-11-01), Madison et al.
patent: 3246705 (1966-04-01), Chappuis
patent: 3576218 (1971-04-01), Lisenby

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