Patent ID: 8684307

Claim:
A pivotable door structure of an aircraft restroom comprising: a door slidably hung in a first position at its upper end edge from a rail disposed at an upper portion of a door frame of said aircraft restroom; a linkage positioned above the upper edge of the door that pivotably connects the upper end edge of the door to the door frame in a second position that is different from the first position; a damper; and an automatic closing device mounted on an upper portion of said aircraft restroom, wherein the linkage is arranged between the door and the automatic closing device and includes one end portion pivotably connected to the automatic closing device and an opposing end portion pivotably connected to the upper end edge of the door, the automatic closing device includes a spring that provides a force to the linkage to constantly bias the door in a closing direction, the spring is a torsion spring that converts turning of the linkage into torsional deformation, the damper is configured to reduce a turning speed of the linkage turned in a returning direction by the resilience of the torsion spring, the door is slidably engaged in a position of its lower end edge corresponding to the first position with a rail disposed at a lower portion of the door frame, a pivot portion located between the door and the linkage is provided with a release lever that attaches and detaches the pivot portion, and wherein the linkage is positioned between the damper and the spring.