| 摘要 |
PROBLEM TO BE SOLVED: To provide a keypad, as well as an injection molding die for a resin key top and a manufacturing method for the resin key top, to which the resin key top and chip parts such as an LED are not contacted, of which the resin key top is hard to be dropped off from a machine, and which does not cause light leakage. SOLUTION: A clearance part 20 with a relative shape to an outside shape of an interference body 19 of which at least an upper part is positioned within a displacement area of a bottom edge of a resin key top 13 displacing due to a depressing operation is formed on a side face of the key top 13. The key top 13 having the clearance part 20 is obtained by using the injection molding die for the resin key top with a cavity in which a resin clearance projection 38, of which the molding face evaginating from an inlet and an outlet between a key top forming part 34 and runner parts 33, 35 to a side of the key top forming part 34, is narrower in width than that of the inlet and the outlet and shaped in the relative shape to the outside shape of the interference body 19, and by injecting a melted resin into the injection molding die. COPYRIGHT: (C)2004,JPO
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