Cart caster

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...

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Bibliographic Details
Main Authors DOWNING; JOE R, WILLIAMS; LESLIE G
Format Patent
LanguageEnglish
Published 27.01.1981
Subjects
AXLES FOR WHEELS OR CASTORS
CASTORS
INCREASING WHEEL ADHESION
PERFORMING OPERATIONS
TRANSPORTING
VEHICLE WHEELS
VEHICLES IN GENERAL
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Summary: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.
Bibliography:Application Number: US19790038572