Brake pedal apparatus of vehicle

A brake pedal apparatus of a vehicle comprising:

• a pedal bracket having a shaft and a first fixed portion to be fixed to a first vehicle body member at the front thereof;
• a pivot bracket rotatably pivoted to the shaft and provided with a pedal shaft apart from the shaft in a longitudinal direction of the vehicle;
• a pedal arm rotatably pivoted to the pedal shaft;
• and
• a lock plate having an engagement portion allowing relative movement thereof with respect to at least the pivot bracket when a backward input over a predetermined load is applied to the pedal bracket and engaging with the pivot bracket in a normal state,
• wherein when the backward input over the predetermined load is applied to the pedal bracket, whereby the lock plate relatively moves, an engagement between the pivot bracket and the lock plate is disconnected and the pivot bracket is downward rotated around the shaft, and
• wherein the pedal shaft provided in the pivot bracket is set in the downward front side in comparison with the shaft corresponding to a center of rotation of the pivot bracket.