Patent ID: 7637364

Claim:
An idler roller assembly comprising: a polymeric tubular body having a cylindrical wall, a first end and a second end, the cylindrical wall defining an outer cylindrical surface and an inner cylindrical surface, the inner cylindrical surface defining a cavity having a first inner diameter, the inner cylindrical surface configured to define a plurality of recesses in the cavity adjacent to each of the first and second ends of the tubular body, first and second recesses of the plurality of recesses having an inner diameter that is greater than the first inner diameter, a third recess of the plurality of recesses being located between the first and second recesses and having an inner diameter that is greater than the inner diameter of the first and second recesses; a polymeric end cap positioned within the cavity of the tubular body adjacent to each of the first and second ends of the tubular body, the end cap comprising an outer cylindrical wall, and inner cylindrical wall, a first end, a second end and an end wall connected between the outer and inner cylindrical walls at the second end of the end cap, the outer cylindrical wall comprising first, second and third outer surface portions with first, second and third outer diameters, respectively, that approximate the inner diameters of the first second and third recesses of the tubular body, the first, second and third outer surface portions positioned within the first, second and third recesses of the tubular body.