Static structures (e.g. – buildings) – Openwork; e.g. – truss – trellis – grille – screen – frame – or... – Three-dimensional space-defining
Patent
1974-10-25
1976-08-31
Purser, Ernest R.
Static structures (e.g., buildings)
Openwork; e.g., truss, trellis, grille, screen, frame, or...
Three-dimensional space-defining
52749, 52637, 52236, 52745, 52726, 52651, 29526, 182178, 29467, E04G 700, E04H 1200, E04G 2114
Patent
active
039771474
ABSTRACT:
Sets of flanges are attached to sets of beam ends projecting from a major modular assembly jig structure made of three intersecting sets of unmachined box beams welded together. From each surface of the welded structure a number of beam ends project outwardly, and such members, owing to the weld method of construction, are approximately parallel, are spaced from each other approximately to conform to a predetermined pattern, and terminate approximately in a common plane.
Flanges are attached to such beam ends in such manner that the outer surfaces of the flanges are accurately coplanar and are accurately spaced from one another according to the predetermined pattern. Each flange consists of a pad, a collar surrounding the beam end and partially receiving its terminal portion to leave a gap between beam end and pad, and various connecting members. The collar is connected to the pad both by a set of machine screws passing through slightly oversize holes in the collar and into tapped holes in the pad, and by a pair of dowel pins driven through registering holes in both members.
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Fletcher James C. Administrator of the National Aeronautics and Space
Gilman Meyer M.
Manning John R.
Matthews Marvin F.
McClenny Carl O.
Purser Ernest R.
Ridgill, Jr. James L.
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