Stress-relieved v-ribbed belt and method for making same

Details Stress-relieved v-ribbed belt and method for making same Stress-relieved v-ribbed belt and method for making same

F - Mech Eng,Light,Heat,Weapons

16

G

18/1006, 74/246

F16G 1/00 (2006.01) F16G 5/04 (2006.01)

Patent

CA 1108438

ABSTRACT OF THE DISCLOSURE An endless V-ribbed power transmission belt and method of making same is provided herein. The belt is made primarily of an elastomeric material and has a tension section, a load-carrying section and a ribbed compression section ad- jacent to the load-carring section. The belt includes stress- relief means in the ribbed portion of the belt. Such stress- relief means comprises a plurality of folded fabric portions which extend into the ribs at spaced intervals along the end- less path of the belt. Each of the folded portions has associated portions of fabric in contact at an associated interface. The interface thus serves as stress-relief slits for for belt. The associated portions of fabric serving as fabric cushions on op- posite sides of an associated stress-relief slit. The belt thus has high flexibility, and large load-carrying capacity, yet is capable of operating over extended time periods in a stress-relieved and cool manner.

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