Inventors:
Gregory M. Andreyko - North Huntingdon PA, US
Assignee:
The United States of America as represented by the United States Department of Energy - Washington DC
International Classification:
G21C019/00, E05F011/00, E06B003/00
US Classification:
376272, 376293, 2505061, 2505071, 49324, 49360, 49362, 49501
Abstract:
The invention is a door actuator and alignment apparatus for opening and closing the 15,000-pound horizontally sliding door of a storage overpack. The door actuator includes a ball screw mounted horizontally on a rigid frame including a pair of door panel support rails. An electrically powered ball nut moves along the ball screw. The ball nut rotating device is attached to a carriage. The carriage attachment to the sliding door is horizontally pivoting. Additional alignment features include precision cam followers attached to the rails and rail guides attached to the carriage.