Cart caster

Details Cart caster Cart caster

1979-05-14

1981-01-27

Reynolds, Wm. Carter

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

Casters

Locked

B60B 3300

Patent

active

042466776

ABSTRACT:
A cart caster having an improved self-centering structure for causing the caster wheel to have a preselected alignment when elevated from a subjacent support surface. The self-aligning structure includes a cam, a cam follower, and a biasing element cooperatively causing the caster wheel to move to a preselected position about the caster axis when load is removed from the wheel as by lifting of the cart. The aligning structure may include a plurality of alignment portions permitting the wheel to be automatically brought to any one of a plurality of different positions about the caster axis, such as to either a fore or aft direction relative to the cart.

REFERENCES:
patent: 1896234 (1933-02-01), Hathorn
patent: 2481948 (1949-09-01), Pruitt
patent: 2525362 (1950-10-01), Levy
patent: 2634986 (1953-04-01), McDaniel
patent: 3075233 (1963-01-01), Lorenz
patent: 3924292 (1975-12-01), Christensen
patent: 4028773 (1977-06-01), Morgan

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