Shell and shaft subassembly

Details Shell and shaft subassembly Shell and shaft subassembly

1977-06-14

1978-09-05

Kundrat, Andrew V.

Joints and connections

Inflatable connector

279 2A, 403366, 29113R, F16C 1300

Patent

active

041115694

ABSTRACT:
A shell and shaft subassembly for holding a shell or roller fast in a non-rotating relationship with respect to a supporting shaft, the shell being secured in its non-rotating relation to the shaft by a subassembly comprising a complemental pair of concentrically-arranged annular sleeves or tubes defining in the space therebetween, cooperantly with spaced opposite end rings, a closed annular chamber. The sleeve walls are each provided with an endless, continuous, serpentine or sinuous groove which meanders from end to end, the groove or sinuosity on the inner sleeve being disposed exteriorly of the tube, and the groove or sinuosity on the outer sleeve being disposed interiorly of the tube. With the grooves facing each other within the annular chamber. Sinuosity defines an endless or continuous thin walled or membranous area winding sinuously with respect to a periphery of each sleeve. When a pressurized fluid or air is introduced to the annular chamber, the thin or membranous areas of the walls of the two sleeves are expanded radially outwardly in opposite directions, the inner sleeve expanding inwardly toward the shaft periphery and the outer sleeve expanding outwardly toward the shell inner wall, with the expansion creating a frictional gripping engagement of each sleeve with its respective adjacent component.

REFERENCES:
patent: 3378902 (1968-04-01), Hoexter
patent: 3486776 (1969-12-01), Le Baron

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