Patent ID: 8091710
Filing Date: 2012-01-10
Classification: B65D,H01L

Abstract:
1. A door structure that is detachably fitted into an opening portion of a container body for storing substrates, comprising: a casing to be fitted to the opening portion of the container body; a locking mechanism provided in the casing for locking the casing by causing an engaging piece to project out from the peripheral wall of the casing in a retractable manner based on rotation of a rotator so as to interfere with the inner periphery of the opening portion of the container body; a cover for enclosing the locking mechanism; and an operational window formed in the cover so as to oppose the rotator, wherein the rotator of the locking mechanism comprises a manual opening portions formed at a pair of finger insertion holes arranged at a periphery distinctly apart from a center of the rotation of the rotator; and wherein a finger engagement piece is projectively formed around at least one of the finger insertion holes.