a shaft passing via said wide open main part of said sleeve among said opposite axial finishes thereof concentric therewith and unconnected to mentioned sleeve except at the axial stops thereof, as well as a releasable connection between mentioned shaft and each of said aspect supports; and
explained protecting bands held between and engaging stated part said and supports opposite axial comes to an end of explained sleeve.
25. An construction as recited in assert 24 further more comprising a plurality of centering components stationarily attached to each and every of explained side works with, each and every centering factor having an arcuate area which engages and locations explained sleeve limited to the contrary axial finishes thereof.
26. An set up as recited in state 25 comprising saidsleeve and rings, side works with with centering means, and shaft