An apparatus for transporting sample well trays with respect to a heating device is provided. The apparatus includes a sample well tray holder, a rotational actuator, and a biasing mechanism. The sample well tray holder includes a plate in which a sample well tray may be positioned. The sample well tray...http://www.google.de/patents/US6719949?utm_source=gb-gplus-sharePatent US6719949 - Apparatus and method for transporting sample well trays