Brake pedal assembly with variable ratio

The suspension bracket which has two estranged side arms which are variable proportion brake pedal assembly objects, and are prolonged from an attachment side and both the edges of this attachment side, The pedal arm with which an upper end is attached to the above-mentioned suspension bracket free [回動] by the 1st 動点, and the pedal pad is attached to the lower end, The pedal link which has the 1st end connected with the above-mentioned pedal arm free [回動] by the 3rd 動点, and the 2nd end, The brake booster link which has the 2nd end attached to the above-mentioned suspension bracket free [回動] by the 1st end and the 2nd 動点 which are attached to the 2nd end of the above of the above-mentioned pedal link free [回動] by the 4th 動点, By the 5th 動点, it is positioned by the brake booster link and the above-mentioned 5th 動点, It has the brake booster rod attachment means positioned by the above-mentioned brake booster link so that the distance between the above-mentioned 2nd 動点 and the above-mentioned 5th 動点 may become smaller than the distance between the above-mentioned 2nd 動点 and the above-mentioned 4th 動点.