Tool driving or impacting – With means to adjust position of axis of tool advance
Patent
1989-08-08
1990-10-09
Yost, Frank T.
Tool driving or impacting
With means to adjust position of axis of tool advance
173 42, 175113, E21B 1504
Patent
active
049614681
ABSTRACT:
A multi-function control actuating mechanism for a roof drilling and bolting machine includes an actuating rod having a first end and a second end. The actuating rod is of a predetermined length and is mounted for movement in a longitudinal direction. A sleeve includes a first end and a second end. The sleeve is mounted for limited rotational movement and is positioned around the actuating rod and extends along a portion of the length thereof. A first bracket is secured adjacent to a first end of the sleeve. A second bracket is secured adjacent to a second end of the sleeve. An actuating lever is operatively connected to the second bracket and to a second end of the actuating rod. Wherein selectively imparting movement in a first direction to the actuating lever imparts longitudinal movement to the actuating rod and selectively imparting movement in a directional orthogonal to the first direction imparts limited rotational movement to the second bracket, the sleeve and the first bracket for providing a multi-function control actuating mechanism for a roof drilling and bolting machine.
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Fridie Jr. Willmon
Pyro Mining Company
Yost Frank T.
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