Patent ID: 6742301
Filing Date: 2004-06-01
Classification: E05D,E05G,E05Y

Abstract:
A control system and a security door of a type having a housing with a first portal and a second portal, a door member rotatably disposed in the housing and having a plurality of door wings which, in cooperation with the housing, define a plurality of compartments moveable between the first and second portals in response to rotation of the door member, the control system comprising:a metal detector disposed proximate the first portal for issuing a metal detection output when a metal is detected; means for rotating the door member to move a selected compartment from one of the first and second portals to the other of the first and second portals; controller means, connected to the metal detector and the means for rotating, for stopping the means for rotating in response to the metal detection output from the metal detector, wherein the door wings of the door member each comprise a panel and a frame for holding the panel, and the frame consists essentially of a nonmetallic material at a radial outer portion including a vertical portion and horizontal portions of the frame extending above and below the panel thereof, whereby the frame will not be detected by the metal detector when the door wings pass by the metal detector.