Split sprocket assembly, related apparatus, and related mounting method
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United States of America Patent
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Jul 6, 2004
Grant Date -
Jul 31, 2003
app pub date -
Jan 31, 2002
filing date -
Jan 31, 2002
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A split sprocket assembly, related apparatus, and a method of mounting a sprocket to a rotatable structure, such as a drive or idler drum, are disclosed. In one embodiment, the sprocket assembly is comprised of at least three sections or segments, each of which is secured to the adjacent section or segment by a fastener, such as a tangentially-extending bolt and nut combination. The sprocket assembly includes a plurality of receivers, each for receiving a key that corresponds to a keyway formed in the rotatable structure. In one embodiment, at least one of the keyways is truncated and, thus, extends only partially across the rotatable structure in the axial direction. A key substantially identical to the truncated keyway in length and width is placed therein, such that the sprocket is prevented from traveling or 'walking' along the rotatable structure.
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