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(11) | EP 1 797 793 A3 |
| (12) | EUROPEAN PATENT APPLICATION |
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| (54) | Disc brush |
| (57) A disc brush (10) has a disc (20) having a face (22) including at least a first portion
(24) and a second portion (26). A plurality of abrasive filaments (40) are fixed to
the first portion (24) and extend generally perpendicularly from the disc. The abrasive
filaments (40) are arranged around the second portion (26). The second portion (26)
is recessed from the first portion (24) to form a recess (28) having a diameter and
axial depth sufficient to receive at least a portion of a raised portion of a work
piece. In one preferred embodiment, the disc brush (10) is provided with an arbor
hole (32) to allow the disc brush (10) to be driven by a rotary drive device and is
sized to fit within a well portion of an automobile wheel (50) to allow the disc brush
(10) to be rotatably driven to de-burr an interior portion of the wheel.
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