Method for attaching wheels to dual wheel casters, including ultrasonic welding
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United States of America Patent
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-
Oct 1, 1985
Grant Date -
N/A
app pub date -
Mar 7, 1984
filing date -
Mar 7, 1984
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A method and apparatus for attaching the wheels of a dual wheel caster to its axle with annular plastic bushings ultrasonically welded to the wheels that have three integral curved spring fingers that snap into annular recesses in the axle as the wheels are pushed onto the axle.
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