Patent ID: 6557958
Filing Date: 2003-05-06
Classification: E05D,E05Y,E06B

Abstract:
An assembly comprising:a bin including sites, a bottom, and a top defining an access opening; a door configured to close the access opening; a track located along each side of the bin proximate the top; a lever pivoted to each side at a lever pivot and spaced from the track, the door including followers slidably engaging the tracks and bottom connectors pivotally attached to the levers, the tracks and the followers being configured to slidingly guide of the door, and the levers being configured to pivotally guide a bottom of the door as the door is moved between a closed position and an open position; and a force-generating device attached to the lever for balancing the weight of the door as the door is opened and closed, the force-generating device including a spring that extends along the bottom, and further including a cable operably extending from the spring to the lever, the cable being connected to the lever at a location spaced from the lever pivot, the spring generating a torsional force about the lever pivot on the lever.