PROBLEM TO BE SOLVED: To provide a compression spring structure used for a static electricity discharging path.SOLUTION: A compression spring constituting one part of a static electricity discharging path has an end coil part 3 a first spring part 4 having a predetermined spring constant and a diameter smaller than that of the end coil part 3 on one side across the end coil part 3, and a second spring part 5 having a spring constant smaller than that of the first spring part 4 and a diameter smaller than that of the end coil part 3 on the other side across the end coil part 3.COPYRIGHT: (C)2013,JPO&INPIT【課題】静電気の放電路に使用する圧縮ばね構造を提供する。【解決手段】圧縮ばねは、静電気の放電路の一部を構成する圧縮ばねであって、座巻部3と、座巻部3を挟んで一方に所定のばね定数で座巻部3の径より小さい径の第1ばね部4と、座巻部3を挟んで他方に第1ばね部4のばね定数より小さいばね定数で座巻部3の径より小さい径の第2ばね部5と、を有する。【選択図】図2