B - Operations – Transporting – 65 – H
Patent
B - Operations, Transporting
65
H
242/68
B65H 55/00 (2006.01) B65H 75/14 (2006.01) G02B 6/44 (2006.01)
Patent
CA 1303001
SPOOL FOR HOLDING OPTICAL FIBER Abstract A spool which is used in the taking up and the paying out of a relatively long length of optical fiber includes two flanges and a hub with each flange being tapered. The spool includes a collector which is formed adjacent to one of the two tapered flanges of the spool and which provides access to the initial or leading end portion of the length of optical fiber which is wound on the spool. A groove of the collector communicates with the hub of the spool through each of two diametrically opposed slots in the adjacent tapered flange. This allows the optical fiber to be wound on one of two coaxially mounted spools and to be transferred to the other spool with the first few convolutions being received in the groove and then passed through one of the slots in the adjacent tapered flange onto the hub. In order to prevent losses in the optical fiber portion which extends through one of the slots, each slot is sufficiently wide to avoid unduly sharp curvature of the optical fiber portion. The spool with outwardly sloped flanges provides for a stable winding pattern which prevent snags in pay out operations. The capacity of this spool with a stable winding pattern may be maximized by optimizing the slope of the tapered flanges.
550097
American Telephone And Telegraph Company
Kirby Eades Gale Baker
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