Bearing-mounted plastic wheel

Details Bearing-mounted plastic wheel Bearing-mounted plastic wheel

1983-07-08

1984-12-25

Novosad, Stephen J.

Endless belt power transmission systems or components

Friction drive pulley or guide roll

474190, 29159R, F16H 5536

Patent

active

044901283

ABSTRACT:
An annular wheel of plastic is rotatably mounted on a central bearing. The wheel has a generally H-shaped cross-section, with radially outward and radially inward arms joined by a radial crossbar. An array of stiffening ribs at various circumferential locations around the crossbar of the H-shaped cross-section stiffen the wheel. To prevent the peripheral travel surface of the outward arm of the wheel from developing undulations during cooling following initial molding of the plastic wheel, the ribs have recesses in their opposite, axially outwardly directed sides. Dimensional relationships between the axial width and circumferential thickness of the rib, and the peripheral surface of the wheel and the thickness of the crossbar of the wheel are disclosed.

REFERENCES:
patent: 2841020 (1958-07-01), Van Deventer
patent: 3785217 (1974-01-01), Peura
patent: 4047445 (1977-09-01), Anderson
patent: 4326849 (1982-04-01), Zijderveld

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