Wear resistant chain
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United States of America Patent
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Issued Date -
Oct 16, 2003
app pub date -
Mar 27, 2003
filing date -
Apr 10, 2002
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A wear resistant chain, which smoothly articulates and slides for a long period of time without generating unusual wear elongation even if used together with an extremely deteriorated lubricating oil having a high degree of oxidation, has both ends of a bushing are force-fit into bushing holes of a pair of inner plates respectively and both ends of a connecting pin which is rotatably mounted into the bushing are force-fit into pin holes of a pair of outer plates disposed on both of the outer sides of the pair of inner plates. The bushing uses the base material of one steel selected from an austenite stainless steel, a martensite stainless steel, a precipitation-hardening steel, a high-carbon chromium bearing steel and an alloy tool steel each subjected to heat curing.
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