PROBLEM TO BE SOLVED: To provide a vibration dynamo device improving power generation efficiency.SOLUTION: A stick (1) according to the present invention includes: a body (2) a vibration dynamo device (10) stored inside the body (2) and a light source (30) emitting light by the vibration dynamo device (10). The vibration dynamo device (10) includes: a cylindrical member (11) stored inside the body (2) in such a state as to reciprocate in the vertical direction a coil (12) disposed at an outer periphery of the cylindrical member (11) and inside the body (2) and a vibration member (20) that is stored inside the cylindrical member (11) in such a state as to reciprocate along the extension direction of the cylindrical member (11) and that includes a magnet.SELECTED DRAWING: Figure 2COPYRIGHT: (C)2018,JPO&INPIT【課題】発電効率を向上する振動ダイナモ装置を提供する。【解決手段】本発明の杖(1)は、本体部(2)と、この本体部(2)の内部に収容された振動ダイナモ装置(10)と、この振動ダイナモ装置(10)により発光される光源(30)とを備えている。振動ダイナモ装置(10)は、上下方向に往復運動が可能な状態で本体部(2)の内部に収容された筒状部材(11)と、この筒状部材(11)の外周、かつ本体部(2)の内部に配置されたコイル(12)と、筒状部材(11)の延在方向に沿って往復運動が可能な状態で筒状部材(12)の内部に収容され、マグネットを含む振動部材(20)とを含んでいる。【選択図】図2
