Patent ID: 9592958
Date: 2017-03-14
CPC Classifications: B21D,B65F,Y10T

Claim:
1. A method of assembling a weldment for refuse truck loading arm comprising: providing a left-handed C-shaped section having a top flange and a bottom flange and a right-handed C-shaped section having a top flange and a bottom flange and at least one buttress; providing a first plate of a joint assembly having an inner face, an inserted portion and an overlapping portion, and said overlapping portion including a first pattern of bolt holes and a first blind key recess located within said first pattern of bolt holes through the inner face; welding a first buttress into a concave end portion of one of said left-handed C-shaped section or said right-handed C-shaped section; welding a first matching edge of a first of the top and bottom flanges of said left-handed C-shaped section to a first matching edge of a first of the top and bottom flanges of said right-handed C-shaped section; welding a second matching edge of a second of the top and bottom flanges of said left-handed C-shaped section to a second matching edge of a second of the top and bottom flanges of said right-handed C-shaped section; said edge welding steps form a tube shape, wherein a portion of the top and bottom flanges of at least one of the left-handed and right-handed C-shaped sections defining a slot between said edges, said slot being at an end portion of said weldment; and inserting and welding the inserted portion of the first plate of the joint assembly into said slot, wherein the overlapping portion is configured to join with a complementary overlapping portion of a second plate of the joint assembly including a second pattern of bolt holes and a second blind key recess by aligning the first and second patterns of bolt holes and blind key recesses at desired positions to receive a plurality of complementary bolts and a complementary key, respectively.