초록 ▼

The present invention relates to an abrasive cleaning device for tubing useful for brushing and reaming, which comprises: (a) an axial shaft adapted to be attached to a power tool chuck and having a central longitudinal axis; (b) a generally flat rear wall attached to the shaft; (c) at least two wor

The present invention relates to an abrasive cleaning device for tubing useful for brushing and reaming, which comprises: (a) an axial shaft adapted to be attached to a power tool chuck and having a central longitudinal axis; (b) a generally flat rear wall attached to the shaft; (c) at least two working members, each of the working members having two walls, a first wall and a second wall and having an angle of at least 45°between the first wall and the second wall, the first wall having a tubing reaming blade thereon; and the second wall having thereon abrasive for abrading tubing; (d) hinges connected to the rear wall and to the working members such that the working members are hingedly connected to the rear wall and have a first position and a second position relative to the rear wall, the second position being such that the second wall is hinged outwardly by at least about 20°away from the central longitudinal axis and so as to place the first wall of the device in a reaming mode, the first position being such that the second wall would be parallel to the central longitudinal axis so as to place the device in a brushing mode.

대표청구항 ▼

An abrasive cleaning device for tubing useful for brushing and reaming, which comprises: (a) an axial shaft adapted to be attached to a power tool chuck and having a central longitudinal axis; (b) a generally flat rear wall attached to said shaft; (c) at least two working members, each of said worki

An abrasive cleaning device for tubing useful for brushing and reaming, which comprises: (a) an axial shaft adapted to be attached to a power tool chuck and having a central longitudinal axis; (b) a generally flat rear wall attached to said shaft; (c) at least two working members, each of said working members having two walls, a first wall and a second wall and having an angle of at least 45°between said first wall and said second wall, said first wall having a tubing reaming blade thereon and said second wall having thereon abrasive means for abrading tubing; and, (d) hinges connected to said rear wall and to said working members such that said working members are hingedly connected to said rear wall and have a brushing mode position and a reaming mode position relative to said rear wall, said reaming mode position being such that said second wall is hinged outwardly by at least about 20°away from said central longitudinal axis and so as to place the device in a reaming mode, said brushing mode position being such that the second wall would be parallel to said central longitudinal axis and so as to place the device in a brushing mode.