US Patent 6839939 Hubless caster
Patent 6839939 was granted and assigned to LG on January, 2005 by the United States Patent and Trademark Office.
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Patent abstract
A hubless caster assembly includes a caster body and at least one wheel, the wheel comprising a toroidal member having a bearing race, and a complementary bearing race supported by the caster body. Bearing elements in the races support the wheel in free rotation. The caster body may comprise a ring body having an axial opening, whereby the caster assembly has a large central aperture extending entirely therethrough. A centering ring may be secured in the axial opening with the complementary bearing race formed therein. A hub cap with visual treatment may be secured over the central aperture.
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Patent Inventor Names
William J Donakowski0
Date of Patent
January 11, 2005
0Patent Application Number
101615350
Date Filed
June 3, 2002
0Patent Primary Examiner
Golden AI
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US Patent 6839939 Hubless caster
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