Lid support arrangement for a double lid lock

摘要

In a lid support arrangement for a double lid lock for closing the openings of two containments disposed adjacent one another for transferring noxious materials between the containments, a cover lid for sealing the opening between the containments is supported by a pivot arm structure which is pivotally supported at one end and extends over the cover lid and the cover lid is attached to the pivot arm structure by a pivot joint having an axis extending parallel to the pivot axis of the pivot arm structure.