(under the class definition) Device comprising a flaccid or resilient closure supported in closed position by a yieldable
means, so that the inertia of a moving object striking the closure is absorbed and the object is slowed or stopped.
(1) Note. Included here are highway barricades placeable before bridges, chasms and crossings to selectively bar traffic thereto.
SEE OR SEARCH THIS CLASS, SUBCLASS:
34, for a flexible closure which distorts in its opening or closing movement.
192+, for a railroad crossing gate, normally swinging in a vertical plane between open and closed positions and movable about a vertical axis in its closed position, e.g., when struck by a vehicle attempting to use the barred passage.
460+, for a protector which guards a closure against damage. SEE OR SEARCH CLASS
109, Safes, Bank Protection, or a Related Device,
64+, for safe and bank closures constructed to absorb attacks of force.