PROBLEM TO BE SOLVED: To provide a luminous device for a fishing line, which has such good interchangeability as capable of being attached to or detached from each of various spinning rods easily and properly, can automatically and effectively excite the line, while performing usual fishing, and can surely give practical effects such as fishing without giving a sense of imcompatibility, while being attached to the spinning rod.SOLUTION: This luminous device comprises an electric source portion 10 detachably fixed to the outer surface of a spinning rod 2 or 3 through an attaching mechanism portion 13, a light-emitting portion 11 for irradiating a line 8-inserting space with light from a light source 47 driven by an electricity supplied from the electric source portion 10, and a connection-adjusting mechanism portion 15 which has a holding portion 52 in which one end of a connection piece 12 is attached to one of the electric source portion 10 and the light-emitting portion 11 and the other end of the connection piece 12 is attached to the other of the electric source portion 10 and the light-irradiating portion 11, wherein a distance between the electric source portion 10 and the light-emitting portion 11 can be adjusted by sliding the connection piece 12 with respect to the holding portion 52, and has a connection-adjusting mechanism portion 15 having a stopping means 53 for fixing or releasing the other piece 12 to the holding portion 52 by manual operations.COPYRIGHT: (C)2007,JPO&INPIT【課題】各種の釣竿に容易、且つ適正に着脱できる互換性を有し、通常の釣りを行いながら釣糸を自動的、且つ効果的に励起でき、釣竿に取り付けながらも違和感なく釣りを行えるなどの実用的効果が確実に得られる糸用蓄光器を提供する。【解決手段】釣竿2,3の外面に取付機構部13を介して着脱自在に固定される電源部10と、電源部10から給電されて駆動する光源47からの発光により釣糸8の糸挿通空間が光照射される光照射部11と、電源部10と光照射部11との何れか一方に連結片12の一端部が固着され、且つ何れか他方に連結片12の他端部を摺動自在に保持する保持部52が設けられて、連結片12の保持部52に対する摺動により電源部10と光照射部11との間隔が調整可能に構成され、且つ手動操作により連結片12の他端部を保持部52に固定および固定解除する止め手段53を有する連結調節機構部15とを備えている。【選択図】図2
