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Nuclear storage overpack door actuator and alignment apparatus

United States Patent

May 10, 2005
View the Complete Patent at the US Patent & Trademark Office
U.S. Department of Energy - Visit the Office of the Assistant General Counsel for Technology Transfer & Intellectual Property Website
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.
Andreyko; Gregory M. (North Huntingdon, PA)
The United States of America as represented by the United States Department of Energy (Washington, DC)
10/ 341,472
January 14, 2003
STATEMENT OF GOVERNMENT INTEREST The invention was conceived and made in the course of or under a contract with the U.S. Department of Energy.