Stock material or miscellaneous articles – Longitudinally sectional layer of three or more sections
Patent
1990-08-02
1991-12-03
Thomas, Alexander S.
Stock material or miscellaneous articles
Longitudinally sectional layer of three or more sections
428 12, 428 33, 52108, 52227, B32B 104
Patent
active
050699482
ABSTRACT:
Tetrahedral elements are hingedly connected along opposed edges to form an elongate structure with a pair of cable guides at apices of each pair of connected edges. Cables fixed at or near the apices of the element at the free end of the structure and passing through the guides are used to control the shape of the structure by applying tension at the fixed end of the structure.
REFERENCES:
patent: 3237362 (1966-03-01), Fromson
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