Piston for actuator of gear box of car, has body including throat intended to receive notch of gear shift control finger of fork of gear box, where throat includes clip and two flat parts in rotation with notch

摘要

The piston (16) has a body including a portion (26) intended to sealingly slide in a cylinder, and a groove (19) intended to receive a gear shift control finger (14) of a fork (10) of a gear box. The groove is a throat intended to receive a notch of the gear shift control finger, where the throat includes a clip (18) and two flat parts (24) in rotation with the notch. The throat includes two bearing surfaces transverse to a direction of insertion of the notch of the finger on the throat, where the bearing surfaces are placed on both sides of the throat. An independent claim is also included for a gear box of a vehicle.