Flexible chain for use in a conveyor system
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United States of America Patent
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Sep 9, 2003
Grant Date -
Sep 19, 2002
app pub date -
Mar 4, 2002
filing date -
Mar 2, 2001
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A flexible chain for a single-strand bucket-type chain conveyor has inner link plates arranged in parallel pairs. The inner link plates are connected by two chain bolts, forming an inner chain link. The bolts extend through the two inner link plates and two outer link plates. The outer link plates connect adjacently mounted inner link plates, and create a platform for supporting the conveyor bucket. The chain has outer cylindrical bushings, each of which pivotably supports a bolt end segment. The outer bushings are connected in a fixed manner with outer link plates. When assembled a space exists between the inner side of the bushing's end and the end surface of the respective bolt, forming a lubricant chamber. A seal is provided between the running surface of the bolt end segment and the intermediate bolt section adjoining the running surface that is coupled to the inner link plates.
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