Miscellaneous hardware (e.g. – bushing – carpet fastener – caster – Casters – Wheels
Patent
1981-05-18
1982-09-14
Troutman, Doris L.
Miscellaneous hardware (e.g., bushing, carpet fastener, caster,
Casters
Wheels
A47B 9100
Patent
active
043487858
ABSTRACT:
A wheel assembly including an annular rim with an outer bearing race formed on the inner periphery thereof. Cylindrical rollers are in rolling engagement with the outer bearing race and with an inner bearing race formed on a central sleevelike shaft which telescopes onto a support axle. The rollers are rotatably supported on axles which are rotatably supported on and extend between a pair of retainers. These retainers are freely rotatable relative to the rim and central shaft. The rim has one end cap fixed thereto for closing one end of the roller region, and a removable end cap is seated on the rim adjacent the other end of this region. The retainers have ramp cams between the axle-receiving grooves to facilitate installing and positioning of the axles on the retainers. Each roller includes two cylindrical portions integrally joined together but separated by an annular groove, and the central shaft has an annular ridge projecting outwardly therefrom and snugly but slidably accommodated within the grooves on the rollers for permitting transfer of axial forces therebetween.
REFERENCES:
patent: 3194293 (1965-07-01), Kindley
patent: 4295256 (1981-10-01), Pascal
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