| 摘要 |
PURPOSE:To facilitate the fitting of a vertical spring to a horizontal spring by inserting the vertical spring into the holding slit of the horizontal spring from the slit of an outer ring end engaging it with the lock part of the holding slit. CONSTITUTION:Four horizontal spring pieces 1a are formed integrally on the horizontal spring 1 and holding slits 1b are formed lengthwise in the respective horizontal spring pieces 1a. Then, an outer ring consisting of an upper outer ring piece 3 and a lower outer ring piece 4 is provided on the outside end of each horizontal spring 1 while clamping the horizontal spring 1, and a couple of gimbals 6 are provided at the center part. When they are assembled, vertical springs 2 are inserted into holding slits 1b through slits 5a of an outer rotor 5 and opening slits 1d and engagement parts 2a of the vertical springs 2 are engaged with the lock parts 1c and opening slits 1d of the holding slits 1b. |
