Container i.e. dustbin, for use outside public building and on platform of port to store waste, has male and female parts whose ellipse-shaped contact zones extend in plane with respect to horizontal plane perpendicular to vertical axis

摘要

The container (1) has vertical walls (11) including a door (21) pivoted around a vertical pivoting axis (X-X') extending along one of door's side edges so as to occupy a closed position or an open position. Ellipse-shaped contact zones of male and female parts extend in a plane inclined at 45 degrees with respect to a horizontal plane perpendicular to the vertical axis such that the door permanently returns to the closed position under an action of door weight when the door is opened along an angle less than 180 degrees with respect to the closed position.