Vehicle brake pedal device

A vehicle brake pedal device, comprising:

• a pedal bracket, which is arranged between a partition wall configured to partition an outside and an inside of a vehicle cabin from each other and a vehicle body component arranged behind said partition wall, and is fixed to said partition wall;
• a brake arm, which is swingably supported by said pedal bracket, said brake arm comprising a brake pedal pad;
• a coupling arm, which is swingably supported by said pedal bracket, coupled at a portion located below a rotational center of said coupling arm to a top end of said brake arm via an arm link, and is coupled at a portion located above said rotational center to a pushrod linked to a braking device via a clevis;
• a movable plate, which is supported by said coupling arm under a state in which a rotation of said movable plate is restricted, and is rotatable with respect to said coupling arm when said restriction of said rotation is released;
• a fixed member, which is fixed to said vehicle body component, and is configured to be brought into abutment against said movable plate when said pedal bracket is displaced backward to release said restriction of said rotation, to thereby rotate said movable plate with respect to said coupling arm;
• and
• a coupling bracket, which is arranged behind said coupling arm, and is configured to couple said vehicle body component and said pedal bracket to each other, wherein:
• when said brake pedal pad is depressed forward so that said pushrod is pushed forward, said braking device is activated;
• and
• when said pedal bracket is displaced backward, said movable plate rotated with respect to said coupling arm is brought into contact with said clevis to break a breakable part, which is a coupling part of said clevis to said coupling arm, and said coupling bracket pushes forward said coupling arm displaced backward together with said pedal bracket to move said brake pedal pad forward while rotating said brake arm.