Patent ID: 7938873
Filing Date: 2011-05-10
Classification: B23Q,Y10S

Abstract:
1. A dust suction module for being mounted on an associated hand-held power tool ( 3 ) a housing of which has a housing surface ( 9 ) provided with a plurality of inlet openings ( 10 ), the dust suction module comprising a plurality of bearing surfaces ( 2 , 2 ′, 2 ″) adjoining the housing surface ( 9 ) in a mounted condition of the dust suction module ( 1 ) on the power tool ( 3 ); a rotatable suction wheel ( 5 ) for aspirating air; an air filter ( 4 ) for filtering the aspirated air; a plurality of discharge openings ( 6 ) that open outwardly; and a plurality of auxiliary discharge openings ( 7 ) formed in at least one of the plurality of bearing surfaces ( 2 , 2 ′, 2 ″) and which also open outwardly.