| 摘要 |
PURPOSE: A shift lock system of an automatic transmission is provided to prevent switching an N(Neutral) range to other ranges by permitting switching from the N range to an R(Reverse) range or a P(Parking) range only when a brake pedal is depressed. CONSTITUTION: A shift lock system of an automatic transmission includes an auxiliary shift lock cam(20). The auxiliary shift lock cam is installed to a lower side of a gear shifting lever to be rotated by a third hinged point(20a). The auxiliary shift lock cam is connected to one side of a shift lock cam(16) by a connecting cable(22). The auxiliary shift lock cam has a hanging protrusion(20b). The hanging protrusion restricts a movement of the gear shifting lever from an N(Neutral) range to a P(Parking) range or an R(Reverse) range. The hanging protrusion receives an operational force by the connecting cable when the auxiliary shift lock cam moves together with the shift lock cam. Therein, the auxiliary shift lock cam moves to a direction of not interrupting the movement of the gear shifting lever. Therefore, misoperation of the gear shifting lever is prevented by permitting the movement of the change lever only when a brake pedal is pressurized.
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