Pulley for positive drive systems

F - Mech Eng,Light,Heat,Weapons – 16 – H

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74/241

F16H 55/36 (2006.01) F16H 7/02 (2006.01) F16H 55/17 (2006.01)

Patent

CA 1115090

ABSTRACT A pulley configuration which increases the contact area between the pulley tooth tips and the land area of the belt teeth. The in- creased contact area reduces land area wear between belt teeth. The pulley tooth tip has a longitudinal cross-sectional contour partially composed of two substantially circular arcs connected by a line seg- ment which is substantially straight or slightly curved. The length of the line segment is from 5 percent to 100 percent of the width of the belt tooth on which the pulley is used, and preferably between 6 percent and 33 percent of the width of the belt tooth. The pulley in combination with a toothed belt forms a positive power transmission system.

307520

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