Patent ID: 7793523
Filing Date: 2010-09-14
Classification: D04B

Abstract:
1. A circular knitting machine, comprising: (a) a knitting head fed with yarns and operable to knit a continuous fabric tube, the knitting head comprising: (b) a take-down unit receiving the fabric tube descending from the knitting head and operable to flatten the fabric tube; (c) a wind-up and storage unit receiving the flattened fabric tube from the take-down unit and operable to wind the flattened fabric tube into a roll; and (d) a bearing system incorporated into the knitting head and comprising first and second tapered roller bearings surrounding the cylinder and constraining the cylinder to rotate about a vertical rotation axis defined by the bearing system, the first tapered roller bearing being disposed above and vertically spaced from the second tapered roller bearing, the first and second tapered roller bearings comprising: