Patent ID: 6139453
Filing Date: 2000-10-31
Classification: F16H

Abstract:
A sprocket having circumferentially spaced teeth that are axially aligned and engaged by a positive drive belt having teeth which move into and out of engagement with the teeth of the sprocket to transfer driving force thereto, the sprocket comprising:first and second guide flanges extending radially outward on opposite sides of the sprocket such that the teeth of the sprocket are disposed therebetween and such that said guide flanges retain the positive drive belt in radial alignment with the teeth of the sprocket;a spacer member disposed adjacent to said first guide flange and extending axially a distance toward said second guide flange, said spacer member encircling the sprocket and engaging the teeth of the sprocket such that the positive drive belt is disposed between said spacer member and said second guide flange, thereby reducing the required width of the positive drive belt; andan adhesive layer disposed between said first guide flange, the teeth of the sprocket and said spacer member.