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2a 945,437
drill-rope works tight,a-and a quick return rope is wound, a loose pulley on the shaft, 15
is had. Only one rope is required to operate means for periodically coupling said pulley
the drilling tool and the slsh bucket. to the shaft, a feed disk loose on the shaft,
What I claim is: a stop-projection and a buffer on the disk,
r 1. In a well-drilling machine, a shaft, a and an arm fast on the shaft and extending
drum made fast thereon on which the drill- between the stop projection and the buffer. 29
rope is wound, a loose pulley on the shaft, In testimony that I claim the foregoing
means for periodically coupling said pulley as my own, I have hereto affixed my signa-
to the shaft, a feed disk loose on the shaft ture in the presence of two witnesses.
10 and having a stop-projection, and an arm RUSSELL ANTHONY.
fast on the shaft and projecting into the
path of the stop-projection. Witnesses:
2. In a well-drilling machine, a shaft, a GEORGE W. REAMS,
drum made fast thereon on which the drill- LEE C. SPRINGER.