| 摘要 |
End-to-end disc spools are mounted on a shaft and each spool includes an annular recess around one end thereof into which disc segments are engaged by the inner ends thereof nesting into said recess and being held by recessed bolts. Lugs on the other end of each spool engage recesses on the one end of the next adjacent spool for centralizing same and ensuring mutual rotation. In one embodiment, spaced apart spools include bearing carriers for mounting the assembly for rotation within the implement.
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