| 摘要 |
PURPOSE:To increase productivity by improving the conditions of the apparent outer surface of a shift knob for automatic transmission of automatic CONSTITUTION:A shift knob 1 is formed by covering the outer periphery of a knob main body 2 made of hard resin with soft armour 3. The knob main body 2 is provided with a hollow part 2f by gas injection molding inside a wall thickness structure part 2d, and formed with a single injection molded body in which the wall thickness of the wall thickness structure part 2d is formed roughly even. |
