Patent ID: 7281886
Filing Date: 2007-10-16
Classification: B23Q,Y10T

Abstract:
1. A suction device ( 16 ) for use with a power drilling tool ( 2 ) for aspirating material removable during operation of the drilling tool, the suction device ( 16 ) comprising a suction head ( 20 ) displaceable relative to the drilling tool ( 2 ) in a direction opposite a drilling direction (B) of the drilling tool ( 2 ); an aeration device ( 22 ) including a ventilator ( 28 ) and a motor for driving the ventilator; a suction conduit for connecting the suction head ( 20 ) with the aeration device ( 22 ), the aeration device ( 22 ) being fixedly connected with the suction head ( 20 ) for joint displacement therewith relative to the drilling tool, wherein the suction conduit is formed by a rigid suction pipe ( 18 ), whereby the aeration device ( 22 ), together with the ventilator, is retained in a same position relative to the suction head ( 20 ) during displacement of the suction head ( 20 ) relative to the drilling tool ( 2 ); and guide means mountable on the drilling tool for supporting the suction device ( 16 ) for displacement relative to the drilling tool ( 2 ).