Patent ID: 7275632

Claim:
A roller conveyor roll for conveying furnace-heated metallic strip materials, the roll comprising: a shaft extending along an axis; a plurality of roller shell segments axially spaced apart along said shaft and coaxially surrounding said shaft; and a support at at least one end of each of said shell segments supporting the respective shell segment on said shaft, each of said conical supports including: a respective conical inner ring member rotationally fixed on said shaft inside each of the shell segments, a respective conical outer ring member rotationally fixed in each of the shell segments and spaced from the respective inner ring member, and a respective plurality of rods between each of the inner ring members and the respective outer ring member rotationally coupling each of the inner ring members to the respective outer ring member, at least one of said members being an electrically and thermally insulating ceramic body and electrically and thermally isolating the respective shell segment from the shaft.