Stock material or miscellaneous articles – Hollow or container type article – Polymer or resin containing
Patent
1985-12-02
1987-03-24
Kittle, John E.
Stock material or miscellaneous articles
Hollow or container type article
Polymer or resin containing
428 65, 4284258, 428460, 474190, B32B 302, B32B 2700, B32B 1508, F16H 5548
Patent
active
046524746
ABSTRACT:
A tubular article of polymeric material which has two coaxial tubular sections extending in opposite axial directions and an intermediate section integral with the tubular sections. One of the tubular sections snugly surrounds a metallic sleeve which is positively fitted in the one tubular section and has a keyway for the external key of a drive shaft, and the one tubular section has axially parallel external ribs which reinforce its resistance to deformation and potential separation of its internal surface from the sleeve. If the outer diameter of the one tubular section matches or approximates that of the other tubular section, the intermediate section and the one tubular section are provided with external ring-shaped collars which are integral with and reinforce the ribs. If the other diameter of the other tubular section exceeds the other diameter of the one tubular section, the article has a cylinder which spacedly surrounds the one tubular section, which is integral with the radially outermost part of the intermediate section, and which is integral with the radially outermost portions of the ribs. The one tubular section can constitute a hub which receives torque from or transmits torque to a shaft, and the other tubular section then constitutes a pulley for one or more V-belts.
REFERENCES:
patent: 3772928 (1973-11-01), Gobeille
patent: 3788155 (1974-01-01), Cigala et al.
patent: 4469357 (1984-09-01), Martin
patent: 4473363 (1984-09-01), McCutchan, Jr.
patent: 4482340 (1984-11-01), Kovaleski
patent: 4548592 (1985-10-01), Ohhashi et al.
INA Walzlager Schaeffler KG
Kittle John E.
Ryan Patrick J.
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