Patent ID: 6855045

Claim:
A tube surface cleaning device having a vertical plane and an intersecting horizontal plane, and comprising a frame means having a tube mandrel affixed thereto for slidingly receiving a work tube end and having a longitudinal axis lying substantially in the intersection of said planes, a pair of opposing jaw means each having an abrasion surface and being pivotally mounted on said frame means for pivotal motion laterally of said vertical plane to close and open said jaw means and abrasion surfaces laterally with respect to said mandrel, spring means engaging each said jaw means and maintaining a closing force on said jaw means and abrasion surfaces, tube stabilizer means affixed to said frame means on either side of said mandrel below said horizontal plane and adapted to contact a work tube and maintain it substantially on said longitudinal axis, and rotative knob means affixed to said frame means and having a rotational axis substantially parallel to but offset from said longitudinal axis.