Variable diameter drum

Details Variable diameter drum Variable diameter drum

1981-06-05

1983-09-13

Levy, Stuart S.

Advancing material of indeterminate length

By orbitally traveling material-engaging surface

Including details of roll or mount

242 682, 242 721, 279 2R, B65H 1720, B23B 3140

Patent

active

044037210

ABSTRACT:
A variable diameter drum for driving perhaps other drums which includes a rotating shaft, and a plurality of cylinder segments circumferentially arranged around the shaft. Each cylinder segment has an outer arc surface with the outer arc surfaces of all of the cylinder segments forming a substantially continuous surface when the segments are joined together. The segments are held from axially and circumferentially moving, but can move radially. A frusto-conical barrel and an adjustable collar are arranged interiorly of the segments to provide and control their radial positions.

REFERENCES:
patent: 612910 (1898-10-01), Moran et al.
patent: 1466121 (1923-08-01), Dallas
patent: 2526772 (1950-10-01), Reynolds
patent: 2717128 (1955-09-01), Heizer
patent: 2904279 (1959-09-01), Ewing
patent: 2928621 (1960-03-01), Cohn
patent: 2942892 (1960-06-01), Nelson
patent: 3997176 (1976-12-01), Wyckoff et al.

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