CURRENT COLLECTOR BLOCK OF DRILLING STAND Russian patent published in 1994 - IPC

FIELD: drilling equipment. SUBSTANCE: current collector block has fixed on stationary post brush holder, body of which has through groove. Brush holder body has threading connecting rod, on threading part of which there are limiting bush, centering bush and regulating member, located in series close to each other. Dielectric connector is mounted on threading part of connecting rod so as to be capable to longitudinal move in its through groove. Elastic contact feeler is rigidly fixed on side surface of connector, that contacts contacting ring of drilling stand rotator. In the case threading connecting rod is fixed so as to be capable to turn around axis of brush holder. EFFECT: current collector block is used in drilling equipment. 4 dwg