(under the class definition) Device provided with means mounting the closure for movement, and wherein said means is located at the lower edge of the closure so that the closure in its open position lies upon or below the surface it closes or barricades, the user passing over the closure face while it is in said open position, e.g., highway mounted gates which pivot down to permit a vehicle to ride over them.
SEE OR SEARCH THIS CLASS, SUBCLASS:
10+, for a flood gate which moves to a flush position.
33, for a pit or obstacle bridging flush closure.
372+, for a closure stored in a housing adjacent an opening wherein the object may pass over the closure edge.
