| 主权项 |
1. A cross arm for supporting power distribution equipment, comprising:
an elongated support structure that provides all of the structural support of said cross arm, said support structure consisting of an outer surface, an inner surface, a first end, and an opposing second end, wherein said inner surface defines a hollow inner core that extends from said first end to said second end of said support structure, wherein said support structure is made of a monolithic fiber-reinforced composite that extends from said outer surface to said inner surface; wherein said support structure has a first pair of opposing sides defining a width dimension of said support structure and a second pair of opposing sides defining a height dimension of said support structure, wherein said outer surface of said support structure is rectangular in cross section; wherein said inner surface of said support structure defining said hollow inner core is curvilinear in cross section. |
