Drilling and bolting head for a bolting machine

Tool driving or impacting – With vehicle support for drive – Nontransporting means to support vehicle during tool operation

Reexamination Certificate

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Details

C173S028000, C173S037000, C173S042000, C405S259100, C405S288000

Reexamination Certificate

active

07032686

ABSTRACT:
The drilling and bolting head (7) of compact structure, is designed for use in mine galleries of small height. It comprises: a transverse table (8) connected to the carrying vehicle, preferably with a device (9to12) for lifting this table (8); a slide (13) displaceable along the table (8); an intermediate support (16) displaceable vertically on the slide (13); a vertical beam (21) mounted pivotally on the intermediate support (16); a vertical slideway (23) guided vertically on the beam (21); a drill (26), with a device (33, 34) for the drilling and setting of bolts, which is guided vertically on the slideway (23); motorized device (14, 18, 30) for controlling the various movements. The intermediate support (16) possesses an upper part (20) which can be used as a prop, in combination with a jack (18) arranged along the vertical pivot axis (19) of the beam (21).

REFERENCES:
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patent: 3768574 (1973-10-01), Long
patent: 3951215 (1976-04-01), Galis
patent: 4108253 (1978-08-01), Woodford, II
patent: 4290490 (1981-09-01), Barthe et al.
patent: 4398850 (1983-08-01), Talvensaari
patent: 4420277 (1983-12-01), Hibbard et al.
patent: 4832536 (1989-05-01), Spross et al.
patent: 6497536 (2002-12-01), Neilson et al.
patent: 6602026 (2003-08-01), Neilson
patent: 6698529 (2004-03-01), Coombs et al.

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