Patent ID: 7975658
Filing Date: 2011-07-12
Classification: B08B,F22B

Abstract:
1. A method for converting an air port cleaner device having an extensible sleeve cleaning member, comprising the steps of: removing the sleeve cleaning member; and installing a cleaning member that is capable of presenting a larger overall cleaning area on an insertion stroke and a smaller overall area on a withdrawal stroke in place thereof, said cleaning member including a base portion and at least one movable portion, movable with respect to said base portion, said movable portion comprising a tip portion, said tip portion having a forward end and a rearward end relative to an insertion direction, said tip portion being rotatably mounted to said base portion adjacent said rearward end to enable partial rotation thereof, said movable portion including an engaging portion at said rearward end, said base portion comprising a seat portion in an area adjacent to said rearward end of said tip portion, wherein on an insertion of said member into the air port in a forward insertion direction, said tip portion rotates in a rearward direction until said engaging portion seats against said seat portion to lock the movable portion against further movement in said rearward direction.