Pistons with bearing members
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United States of America Patent
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-
May 29, 1990
Grant Date -
N/A
app pub date -
Nov 23, 1987
filing date -
Dec 5, 1986
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
Pistons are described comprising a crown portion and a skirt portion, the crown portion having depending from the underside thereof a boss, the boss having secured thereto at least two bearing members in fixed relationship to the piston body and which bearing members co-operate with an associated connecting rod. The bearing members may be located in rebates in the boss such that piston firing loads are born substantially in compression. The bearing members are in one embodiment secured to the boss by a bolt and nut. The bearing members may comprise ferrous, copper-based or aluminium based alloys depending upon the application environment.
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