Self-steering caster

Details Self-steering caster Self-steering caster

1980-01-10

1981-07-28

Troutman, Doris L.

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

Casters

Locked

B60B 3300

Patent

active

042802466

ABSTRACT:
A self-steering caster is biased into one or more predetermined steering positions with a constant force by a bias wheel arranged to roll along a cam surface in the shape of a circle which is concentric with the caster's swivel axis and whose radius increases at a linear rate in both directions from the point corresponding to the steering position to a point or points on the cam surface remote from the steering position. Detent means may be provided at the steering position to releasably lock the caster in the steering position.

REFERENCES:
patent: 3828392 (1974-08-01), Bolger
patent: 3924292 (1975-12-01), Christensen

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