Static structures (e.g. – buildings) – Barrier or major section mounted for in situ repositioning;... – Rotatable about vertical axis
Patent
1976-08-26
1978-01-03
Ridgill, Jr., James L.
Static structures (e.g., buildings)
Barrier or major section mounted for in situ repositioning;...
Rotatable about vertical axis
104 46, 52197, 295 1, E04H 508, B61J 100, E04B 1346
Patent
active
040658910
ABSTRACT:
A rotary floor comprising a base having an upwardly facing surface and defining a vertically extending center axis, a platform disposed above and in vertical registry with the base, the platform having a bottom side, circular outer and inner lower tracks concentrically mounted on the base, circular outer and inner upper tracks concentrically mounted on the bottom side of the platform to be in vertical registry, respectively, with the lower tracks, and a plurality of wheels disposed between the tracks rotatably to support the platform. The plurality of wheels comprise first wheels running on the outer lower track and under and supporting the outer upper track, and a plurality of second wheels running on the inner lower track and under and supporting the inner upper track. A driver is provided for the platform to rotate it about the axis. The first and second wheels are provided in mated, radially spaced apart pairs, and a radially extending axle is provided having opposite outer and inner ends journal mounting, respectively, the first and second wheels of each pair. The pairs of wheels are peripherally spaced apart and that spacing may be maintained by rigid links extending between the axles.
REFERENCES:
patent: 40123 (1863-09-01), Sharp
patent: 56571 (1866-07-01), Kelly
patent: 755607 (1904-03-01), Bischoff
patent: 943491 (1909-12-01), True
patent: 955382 (1910-04-01), Clark
patent: 970857 (1910-09-01), Smith
patent: 1417384 (1922-05-01), Imler
patent: 1596166 (1926-08-01), Everett
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