Tapered Locking Joint for Securing Sprocket Segments to a Drive Hub (31-Aug-2011)
A crawler tractor sprocket includes replaceable sprocket segments, each including a plurality of teeth and defiing an interior annular keyway joined to an adjacent, conically-shaped annular rim segment, with the keyway receiving an annular key and the rim engaging a complimentary shaped conical rim of a sprocket-mounting portion of a drive hub. Aligned mounting holes are provided in the complementary shaped rims with each set of aligned holes receiving a capscrew having a threaded end receiving a nut tightenened so as to lock the sprocket segments to the rim and key of the drive hub.
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