Reamer stabilizer for rock drills

Details Reamer stabilizer for rock drills Reamer stabilizer for rock drills

E - Fixed Constructions

21

B

255/28, 255/79

E21B 17/10 (2006.01) E21B 10/24 (2006.01) E21B 10/30 (2006.01)

Patent

CA 1093063

Spelts 1 REAMER STABILIZER FOR ROCK DRILLS ABS TRACT OF THE DISCLOSURE A reamer and stabilizer assembly for rock drills having a substantially cylindrical body pro- vided with a threaded end socket for connection to a drill stem, the body having circumferentially spaced longitudinally extending recesses for re- ceiving reaming and stabilizer rollers mounted on axles extending parallel to the axis of the body, each reamer and roller assembly being removably re- tained in its recess by a keeper pin which can be inserted or retracted through a keeper pin passage opening into the threaded socket and into a longit- udinal passage through each axle.

321372

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