Bottom plate for a bushing mounted via rolling elements on a pin
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United States of America Patent
Stats
-
Nov 19, 1985
Grant Date -
N/A
app pub date -
Oct 10, 1984
filing date -
Oct 15, 1983
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A bottom plate for emplacement in a bushing having an opening defined by an internal peripheral side wall and a bottom of the bushing. A pin, like the pin of a universal joint cross piece, is received in the opening of the bushing with rollers around the periphery of the pin for permitting rotation of the pin in the opening of the bushing. The bottom plate is disposed between the bottom end of the pin and the bottom of the bushing. Radially extending lubricant distribution grooves are defined in the bottom plate. First ones of the grooves extend over the region beneath the bottom end of the pin along the side of the bottom plate opening toward the pin. Second ones of the grooves extend over the region of the bottom plate beneath the rollers along the side of the plate and opening toward the bottom of the bushing. A step-like transition is defined between the first and the second ones of the grooves in the bottom plate. Centering projections are defined around the periphery of the plate for cooperating with the transition region between the bottom and peripheral side wall of the bushing. The peripheral edge of the edge of the pin may also be chamfered.
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