| 摘要 |
PURPOSE:To easily and exactly fix a tracking spring by allowing a spring material to flow into a forming recessed part by a forming mold, and coagulating it. CONSTITUTION:When a turning frame 14 is set to a forming mold 21 through a projecting part 15 which is fitted into a hole 21b, and also, a chassis supporting member 20 is allowed to adhere closely to both side parts of the mold 21, a forming recessed part is formed. When rubber, etc. becoming a spring material are allowed to flow into this recessed part and coagulated, and used as a tracking spring material, a tracking spring can be fixed easily and exactly to a movable member. |
