Patent ID: 6709578
Filing Date: 2004-03-23
Classification: B01D

Abstract:
A filter screen for use in filtering water, the filter screen comprising:a frame; a grid assembly supported by the frame for movement, the grid assembly including a continuous unbroken drive chain having a guide link, and a screen panel coupled to the guide link for selective movement with respect to the guide link between an operating condition where the screen panel is fixed relative to the guide link for movement with the guide link and for filtering water and a maintenance condition where the screen panel is pivotable relative to the guide link to permit access to the filter screen, wherein the screen panel includes an end member having a hook that engages the guide link in the operating condition and that disengages from the guide link in the maintenance condition, and wherein the screen panel is linearly movable relative to the guide link to disengage the hook from the guide link in the maintenance condition.