(under the class definition) Structure including an elongated rigid structure (shaft) or its base having a rigid sheet form brace member mounted on and projecting outwardly thereof with the juncture of the shaft and member extending in the direction of the shaft axis, said member in use serving to resist lateral movement of the shaft relative to the earth.
SEE OR SEARCH THIS CLASS, SUBCLASS:
155+, for a shaft with a terminal earth piercing or expanding feature.