Patent ID: 7972503
Filing Date: 2011-07-05
Classification: B01D,E02B

Abstract:
1. An adjustable pin rack system for use in a cog rake bar screen of a wastewater treatment facility, the cog rake bar screen including a frame, the pin rack system comprising: first and second elongate bars spaced apart from and generally parallel to one another, wherein the first and second elongate bars are spaced apart from the frame and configured for coupling to the frame; a plurality of rollers positioned between the first and second bars, each roller including a center hole that defines an axis of the roller and each roller defining a pin rack centerline generally perpendicular to the axis of the center hole; a plurality of fasteners wherein each fastener couples one of the plurality of rollers at the center hole to the first and second bars; a support plate positioned between one of the first and second bars and the frame, the support plate coupled to the frame and one of the plurality of rollers by one of the plurality of fasteners, the support plate including a set screw for adjusting the position of the support plate along the axis of the roller with respect to the frame.