Caster wheel retention device

Details Caster wheel retention device Caster wheel retention device

1991-05-10

1992-12-01

Larson, Lowell A.

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

Casters

Locked

16 38, 16 19, B60B 3300

Patent

active

051670488

ABSTRACT:
A caster retention device is disclosed that supresses flutter or shimmy of a caster wheel and that is easily adjustable. The device includes a caster stem receiving chamber in which a bushing is disposed. The bushing receives a caster stem assembly that includes bearing elements. An adjustable locking device secures the stem assembly within the bushing and is positioned at an opening of the receiving chamber. In one embodiment the device may include first and second collars that are useful for adjusting a preload on the bearings.

REFERENCES:
patent: 2188648 (1940-01-01), Bouvier et al.
patent: 2282506 (1942-05-01), Wachter
patent: 2325895 (1943-08-01), Wallace
patent: 2512941 (1950-06-01), Johnson
patent: 2891273 (1959-06-01), Hutchinson
patent: 3237940 (1966-03-01), Johnson
patent: 3270367 (1966-09-01), Loos
patent: 4572533 (1986-02-01), Ellis et al.
patent: 4887826 (1989-12-01), Kantner
Kauzlarich et al., A Caster Damper Design, University of Virginia, 1990.

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