Patent ID: 9656609
Date: 2017-05-23
CPC Classifications: B60R,F16H

Claim:
1. A vehicle step apparatus, comprising: an extending and retracting device comprising a mounting bracket, a step bracket, and an arm assembly that is connected between the mounting bracket and the step bracket and drives the step bracket to move between an extending position and a retracting position; a step mounted on the step bracket; a motor that has a motor shaft configured as a worm; a gear box defining a cavity therein, at least a portion of the motor shaft being inserted into the cavity; a worm wheel rotatably disposed in the cavity, and comprising a worm wheel body meshing with the motor shaft and an output shaft mounted to the worm wheel body; a sun gear fitted over the output shaft; a planet carrier rotatably disposed in the cavity and connected with the arm assembly to drive the arm assembly; a planet gear rotatably mounted to the planet carrier and meshing with the sun gear; and an adjusting member mounted in the gear box, movable in an axial direction of the motor shaft and abutting against a free end of the motor shaft.