Wheel-shaped objects

Details Wheel-shaped objects Wheel-shaped objects

1985-07-03

1986-07-15

Leppink, James A.

Endless belt power transmission systems or components

Friction drive pulley or guide roll

474174, 474902, F16H 5536

Patent

active

046004009

ABSTRACT:
The invention refers to wheel-shaped objects such a pulley discs, which incorporate a rigid internal hub, a rigid outer circumferential part and a web interconnecting these parts and being of a material which has a higher coefficient of thermal expansion than the hub and the circumferential part.
The invention is characterized therein that the web portion in circular cross-section has a zigzag-like design and that through-grooves are made in the web portion, where this connects to the circumferential part, thus that the material of the web portion at cooling can disengage itself from the circumferential part at these grooves thereby to prevent not desired tensile stresses to develop.

REFERENCES:
patent: 3137177 (1964-06-01), Barnett
patent: 3610066 (1971-10-01), Rychlik

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