Patent ID: 6763635
Filing Date: 2004-07-20
Classification: B60P,B66C,B66F,G01V

Abstract:
A boom, having longitudinal and transverse dimensions, comprising:a first longitudinal member having an external surface; a second longitudinal member oriented substantially parallel to said first longitudinal member; said second longitudinal member comprising a plurality of segments, each segment comprising ends; one or more substantially transverse flanges each having edges and opposing faces and defining at least one hole from one face to the other, wherein the first member extends through the hole; wherein said first member is internal to said second member, and at least one end of each segment is joined to the face of said one or more flanges, and the external surface is joined to said one or more flanges; and a plurality of third longitudinal members, wherein said third members are joined to the edges of the one or more flanges.