Parking mechanism in automatic transmission

In a parking mechanism of an automatic transmission for a motor vehicle, the parking mechanism having a park gear fixed relative to an output shaft of the automatic transmission for rotation therewith, a parking pawl which is pivotally mounted for movement between an inoperative position spaced from the park gear and an operative position in mesh with the park gear when park position of the automatic transmission is selected, an actuator support fixed in relation to the transmission case, an actuator rod longitudinally movably supported by the actuator support and a cam mounted on the actuator rod, the cam being positioned to urge said parking pawl from said inoperative position to said operative position when the park position of the automatic transmission is selected, the improvement comprising said actuator support being a one-piece member formed by press-forming a sheet metal blank and having a support portion which is shaped to support said actuator rod and to receive said cam, and two anchor portions which have end portions arranged relative to said support portion so as to be spaced from said actuator rod and said cam, said transmission case being formed with two slits located and shaped to receive said two anchor portions in interlocked engagement therein.