Patent Number: 047114363
Section: claims

1. A retention strap for holding in assembled relationship before welding a grid assembly comprising mating, perpendicular inner straps, and outer straps extending about said inner straps, comprising four bars, each of generally "H" shape, and including a pair of end posts connected together by a cross member, each post having openings therethrough located above and below the connecting cross member, means for hingedly connecting first and second said bars and means for hingedly connecting third and fourth said bars to provide pairs of hinged bars, and means for releasably connecting two said pairs of bars. 2. A retention strap as in claim 1, said means for hingedly connecting two of said bars comprising hinge elements extending from a said post of each bar, said hinge elements being in vertically spaced relation and the pivotal axis of said hinge elements being spaced from the adjacent edges of said posts. 3. The retention strap of claim 1, said means for releasably connecting two pairs of bars comprising vertically spaced means for connecting adjacent bars with a space between the adjacent edges of adjacent bars. 4. The retention strap of claim 2, said means for releasably connecting two pairs of bars comprising vertically spaced means for connecting adjacent bars with a space between the adjacent edges of adjacent bars.