Static structures (e.g. – buildings) – Openwork; e.g. – truss – trellis – grille – screen – frame – or... – Outside corner or peripherally bordered
Patent
1997-10-27
1999-03-16
Smith, Creighton
Static structures (e.g., buildings)
Openwork; e.g., truss, trellis, grille, screen, frame, or...
Outside corner or peripherally bordered
49504, 160381, 160377, E04C 238
Patent
active
058815252
ABSTRACT:
A screen frame formed from a metal sheet in a single unit folds and locks on V-cuts in a tube by a locking mechanism that is configured to engage in crossed directions by the folding.
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Riegelman Harry M.
Stern Melvin J.
Harmel Automation, Inc.
Seemann Robert A.
Smith Creighton
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