Importance

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Abstract

The invention provides an improved rotary broom assemblage of the type wherein a plurality of bristles are mounted upon a tubular core element and rotated by a shaft passing through the core element. The invention provides two pairs of circular plates, mounted in spaced relationship on the shaft, with each pair of plates defining an outwardly opening V-shaped groove within which a split ring fastening element is mounted. The tubular core is provided with an annular outwardly projecting depression in its wall portions adjacent each end of the core which are respectively engageable by a split ring member when expanded by axial movement of one of each pair of circular plates toward the other by fastening bolts. Additionally, an axially extending depression in the tubular core element cooperates with key slots in the circular plate members to insure the positive rotation of the core element with the circular plate members, while axial displacement of the core element relative to the shaft is positively prevented by the cooperation of the expanded split ring with the annular depression in the core member.

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First Claim