Spool assembly

Details Spool assembly Spool assembly

B - Operations, Transporting

65

H

B65H 75/22 (2006.01) B65H 75/14 (2006.01)

Patent

CA 2719908

A plastic spool assembly comprising a central barrel and a circular end flange for attachment to each cylindrical end of the barrel, each end flange having a central hub having central opening with an annular ridge formed thereon extending radially inwardly for snap-fitting into and mating with an annular recess of the central barrel for tight-fitting locking engagement, each end flange having a plurality of radial slots for flexing of the end flange. Each barrel end annular recess preferably has a plurality of equispaced teeth extending radially outwardly and the annular ridge in the flange hub opening has a plurality of equispaced teeth extending radially inwardly therefrom for interlocking with and engaging the teeth of the annular recess for preventing angular circumferential movement of the flanges. The central barrel preferably is comprised of a pair of molded mirror-shaped plastic halves with alignment tabs and may be joined by a plastic hinge. Each end flange may have a first circular rib formed on a flange outer face between the central hub and a peripheral rim joining outer ends of the radial slots. Each end flange may have a second circular rib intermediate the first circular rib and the peripheral rim and joined thereto by the plurality of equispaced spokes.

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