Pistons with bearing lands
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Oct 31, 1989
Grant Date -
N/A
app pub date -
Mar 19, 1987
filing date -
Mar 20, 1986
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
Pistons are discribed comprising a crown portion which also includes a piston ring belt and gudgeon-pin bosses and which crown portion comprises a ferrous allow and a seperate articulated skirt portion comprising a casting of aluminum alloy, steel or cast iron which also includes gudgeon-pin bores, the crown portion and the skirt portion having a common gudgeon-pin about which the articulated skirt portion is freely able to move relative to the crown portion.
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