(under the class definition) Device comprising a plurality of closures which are mounted to radiate from and rotate in the same direction about a common axis through an arc of 360 deg. or more.
SEE OR SEARCH THIS CLASS, SUBCLASS:
381+, for a closure mounted to swing about an axis, and especially subclasses 388+ for a swinging closure mounted on opposing frame members.
SEE OR SEARCH CLASS
109, Safes, Bank Protection, or a Related Device,
8, for bank protection device which includes a plural-bladed revolving door.
235, Registers, 93, for a turnstile operated register.