Patent ID: 7690071

Claim:
Brush apparatus comprising in combination: a carrier plate having a top side, a bottom side for receiving a brush segment, and an outer periphery; a pair of stop and support shelf elements extending downwardly from the bottom side of the carrier plate for stopping and supporting a brush segment; a first aperture extending through the carrier plate inwardly from the outer periphery; a second aperture extending through the carrier plate inwardly from, and aligned with, the first aperture; a bolt extending through the second aperture for securing a brush segment to the carrier plate; a clamp assembly disposed beneath the carrier plate including a bar, a pin extending upwardly on the bar and aligned with the first aperture, and a threaded portion on the bar for receiving the bolt for moving the bar upwardly and downwardly; means for guiding the clamp assembly upwardly and downwardly; and a brush segment disposed between the bottom of the carrier plate and the bar of the clamp assembly and on and against the pair of stop and support shelf elements whereby upward movement of the clamp assembly by rotation of the bolt secures the brush segment to the carrier plate.