Caster wheel biasing mechanism

Details Caster wheel biasing mechanism Caster wheel biasing mechanism

1996-05-13

1998-03-17

Mah, Chuck

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

Casters

Pintle retainers

16 43, 16322, 16332, 16344, 16 35R, B60B 3300

Patent

active

057272859

ABSTRACT:
A caster wheel mounting mechanism having a shaft member to which the caster wheel is coupled, the shaft member having a generally circular cross section with a flatted portion, a mounting member having an opening within which the shaft member is pivotally received, and a compression spring for biasing an abutment member or ball into abutment with the shaft such that the caster wheel is biased to a predetermined position when the abutment member abuts the flatted portion of the shaft member.

REFERENCES:
patent: 2960717 (1960-11-01), Moore
patent: 3390486 (1968-07-01), Walters
patent: 3699609 (1972-10-01), Spatz
patent: 3851354 (1974-12-01), Anderson
patent: 3988800 (1976-11-01), Sachser
patent: 4788741 (1988-12-01), Hilborn
patent: 5412842 (1995-05-01), Riblett
The Toro Company, brochure entitled "Toro -The Guardian Recylcler", 2 pages, dated 1993, published in the U.S.A.

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