Self-aligning twin-wheeled caster

Details Self-aligning twin-wheeled caster Self-aligning twin-wheeled caster

1979-06-19

1981-09-22

Troutman, Doris L.

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

Casters

Wheels

A47B 9100

Patent

active

042901669

ABSTRACT:
A self-aligning twin-wheeled caster is disclosed which comprises a vertical wall, a shaped seat perpendicular to the wall, a pair of rotating wheels fixed to both ends of a shaft located in the seat, a sleeve in the wall with a rotatably carried pin. Each wheel has a hub portion, which is provided with outer collars facing front projections of both sides of the wall, teeth contoured over an arc of a circle, which define shoulders opposite to the projections and capable to axially retain the wheels. The caster further comprises front bushings on both sides of the wall, which are coaxial with the seat so as to receive the hub portions.

REFERENCES:
patent: 3914821 (1975-10-01), Screen
patent: 4077088 (1978-03-01), Melara

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