Static structures (e.g. – buildings) – Openwork; e.g. – truss – trellis – grille – screen – frame – or... – Components adjustably or collapsibly connected
Patent
1992-04-09
1993-12-07
Friedman, Carl D.
Static structures (e.g., buildings)
Openwork; e.g., truss, trellis, grille, screen, frame, or...
Components adjustably or collapsibly connected
52108, 52111, 526532, 24129R, 24128, E04H 1218
Patent
active
052674240
ABSTRACT:
A module for forming part of an articulated mast which can be retracted to be stowed and elongated to be deployed, the mast when deployed having a central axis of elongation and a plurality of these modules. Each module has at least three rigid non-folding station rods joined to form a rigid station, and an equal number of non-folding longerons, each hingedly connected to a corner of the station. Four diagonal segments are formed as part of two flexible inelastic cables, which are brought together at a control which always holds one of the cables, and passes the other. The control includes a releasable catch to hold the other cable when its segments are at lengths respective to a deployed module.
REFERENCES:
patent: 979588 (1910-12-01), Stewart
patent: 2982379 (1961-05-01), Fisher
patent: 3335468 (1967-08-01), Harley
patent: 3988810 (1976-11-01), Emery
patent: 4475323 (1984-10-01), Schwartzberg et al.
patent: 4599832 (1986-07-01), Benton et al.
patent: 5016418 (1991-05-01), Rhodes et al.
AEC-Able Engineering Co., Inc.
Friedman Carl D.
Mon Donald D.
Yip Winnie
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