Conical tension membrane structure

Details Conical tension membrane structure Conical tension membrane structure

1994-10-31

1999-08-24

Aubrey, Beth

Tent, canopy, umbrella, or cane

Umbrella

Auxiliary frame brace

135 23, A45B 2502

Patent

active

059412615

ABSTRACT:
A conical tension membrane structure capable of resisting high winds in which the fabric is tensioned both radially and tangentially by radial support arms operable to provide tension peripherally by radial support arms, operable to provide tension peripherally of the fabric and being foldable to a closed position, with cover supported by radial cables, and arms held down by hold-down cables.

REFERENCES:
patent: 559577 (1896-05-01), Hadfield
patent: 1157974 (1915-10-01), Behling
patent: 1444017 (1923-02-01), Waschek
patent: 2143978 (1939-01-01), Eeles
patent: 2502984 (1950-04-01), Parmenter
patent: 2522645 (1950-09-01), Senna
patent: 2534710 (1950-12-01), Golian et al.
patent: 2561435 (1951-07-01), Woodward
patent: 3930514 (1976-01-01), Wu
patent: 4407317 (1983-10-01), Crandall

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