| 摘要 |
PURPOSE:To eliminate mutual damage of an electric bulb and an electric wire by keeping water-tight and holding both ends of the electric bulb to improve vibration resistance, and water-tightly isolating a base part from an electric bulb connecting part. CONSTITUTION:Relating to a bulb 1 for an underwater lamp and a holding fixture thereof, in the bulb for the underwater lamp, bases 1a, 1b are provided in both ends in the lengthwise direction and further to provide bent parts 1c, 1d in a base neck part. The holding fixture for the underwater lamp comprises an electrode part brought into contact with the bases 1a, 1b of the bulb 1 and bulb packings 17, 18 brought into contact with the vicinity of the bent parts 1c, 1d. |
