Patent ID: 7150358

Claim:
An assembly for sealing a shaker screen assembly in a shaker separator, wherein the shaker screen assembly includes a screen frame defining an area and a screen cloth affixed to the screen frame across the area, and wherein the shaker separator includes a plurality of shaker screen supports affixed between opposing side walls and corresponding to the screen frame and upon which the screen frame is positioned, the assembly comprising: a substantially inflexible gasket affixed to each of the plurality of shaker screen supports and positioned between each shaker screen support and the corresponding screen frame; a flexible gasket mounted to each of the plurality of shaker screen supports adjacent to the inflexible gasket and positioned between each shaker screen support and the corresponding screen frame; a wedge block retainer bracket affixed to each side wall and spaced above the corresponding screen frame at an angle thereto; a wedge block selectively locatable between each wedge block retainer bracket and the corresponding screen frame to provide a force to the corresponding screen frame sufficient to seat the screen frame against the inflexible gasket and to deform the flexible gasket to provide a fluid tight seal between the shaker screen supports and the screen frame.