| 摘要 |
<p>Tool for a rotating head of a continuous drilling or cutting machine, mounted on a tool-carrier fixed on the said rotating head, driven in a rotating sweeping movement in a plane passing through the axis of rotation of the said rotating head, by the action of hydromechanical means driving a rotating rod coaxial with the said axis in a reciprocating movement; a knuckle joint with an eccentric axis arranged between the rod and the tool-carrier ensures that the linear movement of said rod is converted into a rotating movement of said tool-bearer.</p> |
