Ball castor

Details Ball castor Ball castor

1975-07-22

1976-11-16

Schroeder, Werner H.

Miscellaneous hardware (e.g., bushing, carpet fastener, caster,

Casters

B60B 3308

Patent

active

039914348

ABSTRACT:
A castor has a domed wheel rotatably mounted about an inclined axis on a body itself pivotally mounted on or about a vertical mounting spindle. The wheel axis is offset laterally of the spindle axis and the wheel has a rim with a convex part-spherical ground-engaging surface. The body is moulded with an integral bearing boss and the wheel is moulded with an integral bearing boss, the bosses engaging one within the other to provide a bearing for the wheel. The spindle is located in a bore in the body and engages in a peripheral groove in the boss to locate the wheel axially with respect to the body. A sleeve-like portion of the body moulding concentric with and surrounding the boss provides an outer female bearing surface for the wheel boss.

REFERENCES:
patent: 3054135 (1962-09-01), Shepherd
patent: 3075232 (1963-01-01), Rice et al.
patent: 3177516 (1965-04-01), Price et al.

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