Tool driving or impacting – With vehicle support for drive – Nontransporting means to support vehicle during tool operation
Reexamination Certificate
2006-04-25
2006-04-25
Smith, Scott A. (Department: 3721)
Tool driving or impacting
With vehicle support for drive
Nontransporting means to support vehicle during tool operation
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).
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Barthomeuf Jean-Claude
Comorge Alain
Sandvik Tamrock Secoma SAS
Smith Scott A.
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