Belt drive including toothed belts and toothed pulleys of...

Details Belt drive including toothed belts and toothed pulleys of... Belt drive including toothed belts and toothed pulleys of...

F - Mech Eng,Light,Heat,Weapons

16

G

74/81

F16G 1/28 (2006.01) F16H 7/02 (2006.01) F16H 55/17 (2006.01)

Patent

CA 1076842

BELT DRIVE INCLUDING TOOTHED BELTS AND TOOTHED PULLEYS OF IMPROVED TOOTH CONFIGURATIONS ABSTRACT OF THE DISCLOSURE A belt drive including a toothed power transmission belt and toothed pulley or pulleys operating in conjunction and each having an improved tooth configuration. Each belt tooth as viewed in longitudinal cross-section includes stress relieving portions or fillets adjoining the opposite sides of the base of the tooth. Each fillet has an outer perimeter or outer surface area which is at least 30% of one half of the total outer perimeter or outer surface area of the belt tooth. The pulley in cross section includes an outermost portion having an arcuate outer perimeter formed by the arc of at least one circle whose center point lies within the pulley tooth with one half of the arcuate outer perimeter or outer surface area being at least 30% of one half of the total outer perimeter or outer surface area of the tooth.

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