Patent ID: 7922003

Claim:
A method for replacing a screen in a shale shaker comprising: activating at least one decoupling apparatus wherein a magnetic clamping system comprises the at least one decoupling apparatus, and wherein the magnetic clamping system further comprises: at least one screen comprising at least two side ends extending between a first side and a second side and at least one attachment surface; at least one mating surface of a shale shaker configured to receive at least one screen wherein the shale shaker comprises a first end and a second end; and at least one magnet disposed between the at least one screen and the shale shaker wherein the at least one magnet is configured to magnetically couple the at least one screen directly to the shale shaker; removing the at least one screen from the shale shaker; deactivating the at least one decoupling apparatus, wherein deactivating the at least one decoupling apparatus comprises operating at least one handle disposed proximate to the perimeter of the shaker to reverse polarity of the at least one magnet, wherein the at least one handle comprises at least one shaft that extends horizontally therethrough for controlling an entire side of magnets; and installing at least one replacement screen into the shale shaker.