Miscellaneous hardware (e.g. – bushing – carpet fastener – caster – Casters – Ball
Patent
1994-02-22
1995-10-10
Larson, Lowell A.
Miscellaneous hardware (e.g., bushing, carpet fastener, caster,
Casters
Ball
B60B 3308
Patent
active
054559880
ABSTRACT:
A support with ball for moving loads, is of the type having a hollow body to which the load is applied and in which a ball is housed, partially coming out from the lower part of the hollow body and free to rotate on a plurality of rolling wheels assembled inside the hollow body and engaging the surface of the ball. At least one of the rolling wheels is positioned on the upper side of the ball and is assemblied on a support which is able to freely pivot around a vertical axis passing through the ball center.
REFERENCES:
patent: 494009 (1893-03-01), Leinwalther
patent: 653381 (1900-07-01), Fink
patent: 851396 (1907-04-01), Bode
patent: 1154448 (1915-09-01), Sleicher
patent: 1224294 (1917-05-01), Franzen
patent: 1271113 (1918-07-01), Armband
patent: 2451353 (1948-10-01), Newell
Gurley Donald M.
Larson Lowell A.
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