Low friction flat-top article carrying chain
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United States of America Patent
Stats
-
Mar 13, 1984
Issued Date -
N/A
app pub date -
Jul 23, 1979
filing date -
Feb 14, 1972
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An article carrying conveyor chain includes a series of links having parts which slide on flat, spaced supporting rails which also provide the chain with lateral guidance. The link parts engaging the rails are an injection molded thermoplastic having dispersed throughout small particles of a low-friction material such that the exposed portions of the particles provide a dry film lubricant which, as the chain is used, becomes distributed over all of the several surfaces having frictional engagement with the supported articles and with rails. Where the entire link is of integral molded construction, the bearing surface of the link with the connecting pin is thus also provided with the dry film lubricant.
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International Classification(s)
Cited Art Landscape
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