Profile: Poersch Metal Mfg. Co. specializes in the medical X-ray field. Our buckys and cassette trays are designed for use in radiographic tables and vertical bucky stands. Our Poersch automatic size sensing spring-action cassette tray is designed for use in radiographic tables and vertical bucky stands. The cassette size sensing tray sends a signal to the collimator indicating whether a film cassette is in place, if so, the cassette size is indicated. The models QJE and QKE trays utilize a spring-action clamping mechanism and cassette support tabs that allow the operator to insert and remove film cassettes with one hand. Our automatic size sensing trays utilizes high precision potentiometers for trouble free operation. Our Poersch/Toshiba automatic size sensing cassette tray is designed for use in Toshiba buckys.