US 9,810,870 B2
Optical fiber terminal fixing tool for winding optical fiber and optical fiber winding method
Tsuyoshi Akamatsu, Sakura (JP)
Assigned to FUJIKURA LTD., Koto-ku, Tokyo (JP)
Filed by FUJIKURA LTD., Koto-ku, Tokyo (JP)
Filed on Jun. 30, 2014, as Appl. No. 14/319,532.
Claims priority of application No. 2013-138935 (JP), filed on Jul. 2, 2013.
Prior Publication US 2015/0008275 A1, Jan. 8, 2015
Int. Cl. G02B 6/44 (2006.01); B65H 65/00 (2006.01)
CPC G02B 6/4457 (2013.01) [B65H 65/00 (2013.01); B65H 2701/32 (2013.01)] 7 Claims
OG exemplary drawing
 
1. An optical fiber terminal fixing tool for winding an optical fiber which is mounted on a rotating shaft of an optical fiber winding machine, and holds and fixes a terminal portion of a winding start side of the optical fiber to be wound between a first flange portion provided outside an optical fiber winding bobbin and the optical fiber terminal fixing tool, comprising:
a disc-shaped substrate having a plate surface;
a holding surface which is provided on the plate surface and interposes the terminal portion of the optical fiber between the holding surface and the first flange portion; and
a protrusion which continues in a circumferential direction with a larger diameter than an outer diameter of the first flange portion in an outer circumferential portion on the plate surface while protruding toward the bobbin in a state where the fixing tool is mounted on the rotating shaft of the optical fiber winding machine, wherein
a cross-sectional shape of the protrusion in a radial direction of the disc-shaed substrate has an approximately triangular shape.