Toothed belt and toothed belt-adapted pulley

摘要

A toothed belt and belt-adapted pulley system provides a high-load capacity and increased durability by reducing stress concentrations on dedendum portions and further preventing localized bending of belt tensile cords. Smooth engagement of elastic teeth of a belt is possible due to minimization of interference between the elastic teeth upon engagement or disengagement with a pulley. Reduced vibration, low noise, and a reduction in skipping under high loads result from the inventive system. Each tooth of the belt has a peripheral length m0 and a dedendum portion with a length m1, where m1/m0 is 0.1 or less. Each tooth of the pulley has a peripheral length n0 and a dedendum portion having a length n1, where n1/n0 is 0.1 or less.