Stadium cover

Details Stadium cover Stadium cover

1979-05-31

1981-03-24

Bell, J. Karl

Static structures (e.g., buildings)

Shaped or strengthened by fluid pressure

Fluid pressure is subatmospheric

52 63, 52 72, 135 5R, 135DIG8, 49104, 49110, 49366, E04B 1345

Patent

active

042571995

ABSTRACT:
A stadium cover includes a pair of complemental compartmented canopies which are filled with a gas such as helium and which are moored or anchored by two or more winches to enable selective manipulation of their position. The winches act through cable sets that interconnect the winches with the canopies, and pulley means are provided to furnish several points for mooring and moving forces used in the control of the canopies.

REFERENCES:
patent: 1651391 (1927-12-01), Holysz
patent: 2000515 (1935-05-01), Gross
patent: 2692566 (1954-10-01), Mitchell
patent: 3169542 (1965-02-01), Neumark
patent: 3370380 (1968-02-01), Petros
patent: 3577691 (1971-05-01), Persson
patent: 3660951 (1972-05-01), Cadwell
patent: 3736754 (1973-06-01), Azalbert et al.
patent: 4013018 (1977-03-01), Hansen et al.
patent: 4167086 (1979-09-01), Oase

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