Cart wheel with bearing components

Details Cart wheel with bearing components Cart wheel with bearing components

2006-03-14

2006-03-14

Ellis, Christopher P. (Department: 3618)

Land vehicles

Wheeled

Nesting vehicles

C280S047240, C301S005700

Reexamination Certificate

active

07011317

ABSTRACT:
A wheel assembly for a material handling cart includes a wheel hub having first and second openings in first and second hub faces, each concentric with and extending along a central axis of the wheel hub. First and second ball bearings are located in the openings. Inner rings of the bearings are wider than the outer rings, and the inner rings contact one another. The outer rings are separated by, and are in contact with, a hub member. First and second bearing sleeves in the first and second openings contact and retain the bearings, and form first and second journal bearings. The sleeves contact journal surfaces on a portion of each inner ring that extends parallel to the central axis from an outer face of each outer ring away from a medial plane of the wheel assembly.

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