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United States of America Patent
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N/A
Issued Date -
Feb 3, 2011
app pub date -
Apr 8, 2009
filing date -
Apr 16, 2008
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
A chain such as a roller bush chain comprising a plurality of interconnected chain link members (2,3) is provided with a wiper element (9) that extends at the interface between overlapping portions of the link members. The wiper may be a formation defined on one of the link members or a bush (8) of the chain or may be a separate component between the link members. The wiper has a wiping edge that in use moves relative to a surface of at least one of the members and serves to wipe that surface clean of deposits or debris so as to allow lubricant to penetrate to the bearing between the pin and link members or bush and to reduce the risk of wear.
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