MINING PIN RETENTION SYSTEM

摘要

An improved drive pin retention system for mining chains is disclosed, including several embodiments. The drive pin retention system further decreases the chance that the chain can break due to sheared dowel pins.

主权项

1. A retention system for the drive pin of a chain wherein said retention system comprises:
a. a drive pin having a pin head disposed at a first end and a fastener end at the second end, wherein said fastener end is configured to receive a retainer cap and has a drive pin hole in the side of said drive pin for interfacing with a locking mechanism of retainer cap; b. said retainer cap having one end configured to receive the fastener end of the drive pin and said locking mechanism for securing said retainer cap to said drive pin.