Patent ID: 6602122
Filing Date: 2003-08-05
Classification: B24B,B25F

Abstract:
An electric power tool comprising:an elongated motor housing having a first end and a second end; an electric motor received within said motor housing; a gear drive housing attached to said first end of said motor housing; a gear drive received within said gear drive housing and being driven by said electric motor; a working spindle driven by said gear drive; a handle element received rotatably at said second end of said motor housing; a grip switch arranged on said handle element for providing electric power supply to said motor; a plurality of air intake slots arranged on the motor housing within the proximity of the second end thereof, said air intake slots provided at two mutually opposite sides of said motor housing and allowing the entering of cooling air into the motor housing; and an insert element insertable into said motor housing, said element having a baseplate which extends substantially over a cross section of said motor housing, said baseplate carrying at least one baffle plate on each side facing toward said air intake slots provided on both opposite sides of said motor housing, wherein said baffles plates are arranged within said motor housing within a flow region of air flowing into said motor housing through said air intake slots for effecting deposition of contaminant particles within said air flowing into said motor housing.