GB610896A - An improvements in or relating to wire brushes - Google Patents

Abstract

610,896. Fixing wire brush bristles. CHARLESWORTH, G. W. April 17, 1946, No. 11928. [Class 19] A metal tube a is provided at one end with a handle or hand grip b and near its other end is preferably bent as shown, so that its extremity extends at an angle to the axis of the tube. Within the tube is a bundle of wires d, one end of which is clamped in a tubular holder e, which is slidable within the tube a and handle b. A screw g passing through a threaded hole in the wall of the tube a is adapted to clamp the wires d in the tube. The extremity of the tube is preferably provided, as shown, with a nose-piece c having a flattened or elongated orifice c<SP>2</SP>. The nosepiece is adjustable angularly within the limits of a slot c<SP>1</SP> through which the screw g passes. The latter thus serves both to clamp the wires in the tube and to clamp the nose-piece in the desired angular position. The end of the holder e has a nut e<SP>1</SP> through which works a screw f, the head of which is adapted to bear against the end of the handle b. By positioning the holder by means of the screw f, the ends of the wires are arranged to protrude to the desired extent from the orifice of the nose-piece, the shape of which causes the wires to be flattened out. When the wires are worn down the screw g is slackened, the screw f rotated so as to be withdrawn a short distance from the holder e, which is then pushed forward until the screw head f<SP>1</SP> abuts once more against the end of the handle b, the screw g being finally re-tightened. The bristles may be advanced in this manner as they wear away until the supply is exhausted or the screw g has been fully withdrawn. A length of twisted wire rope may be employed instead of the bundle of wires.