Belt steering roller mechanism and steering roll construction

Details Belt steering roller mechanism and steering roll construction Belt steering roller mechanism and steering roll construction

1992-09-23

1993-09-21

Valenza, Joseph E.

Conveyors: power-driven

Conveyor section

Endless conveyor

198840, 198843, 226 19, 226179, B65G 3916

Patent

active

052460991

ABSTRACT:
A belt steering roller mechanism for active steering correction of an endless belt, including a shaft having a longitudinal axis and a deformable roller having a fore end and an aft end and a predetermined diameter. The roller is rotatable about the shaft and has a body including a plurality of longitudinally extending rigid members located near the outer diameter of the roll separated by a plurality of longitudinally extending deformable sections. The body may be elastomeric or may be rigid with flexible hinges to provide differential lateral velocity of an outer circumferential surface of the roller. At least one flange plate is located against one of the fore end and aft end and is flexibly held on the shaft by a flexible coupling. Upon a corrective force being applied to the flange plate by an articulating mechanism, the longitudinally extending rigid members are laterally displaced in a cyclic fashion by the flange plate. The outer surface of the steering roller may be textured or coated with a thin sleeve of high friction coefficient material to aid in controlling the belt.

REFERENCES:
patent: 2593158 (1952-04-01), Lorig
patent: 2643116 (1953-06-01), Hasselquist
patent: 2752151 (1956-06-01), Levine
patent: 3052395 (1962-09-01), Scott
patent: 3095131 (1963-06-01), Robertson et al.
patent: 3807982 (1974-04-01), Claassen et al.
patent: 4221480 (1980-09-01), Spehriey, Jr.
patent: 4397538 (1983-08-01), Castelli et al.
patent: 5078263 (1992-01-01), Thompson et al.

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