Brake pedal structure

A mechanism adapted to shift the brake pedal toward the front of the vehicle when the dash panel is pushed toward the passenger compartment due to a vehicle collision is disclosed. The brake pedal structure prevents injury to a driver's ankle by minimizing impact transmitted through the brake pedal in the vehicle collision.

brake pedal structure

1. A brake pedal structure of a vehicle, comprising: a pedal hanger fixed to a dash panel; a brake pedal whose upper end is pivotally installed at said pedal hanger via a pin; a release bracket fixed to a fixing bracket mounted on to a cowl cross bar; a mounting bracket fixed at an upper surface of said pedal hanger, an upper surface of said mounting bracket being placed between said fixing bracket and said release bracket; a triangular link having a right-angled triangular shape configuration, the right-angled corner of said triangular link being pivotally connected to a push rod of a booster, and the corner of the horizontal side of said triangular link being pivotally connected to said brake pedal; and a linear link whose lower end is pivotally connected to the corner of the vertical side of said triangular link, an upper end of said linear link being pivotally fixed to said pin, and said linear link being configured to separate from said pin when a vehicle collision occurs.

2. The structure as defined in claim 1, wherein a pin hole formed at the upper end of said linear link is configured to be opened toward the passenger compartment, and said pin hole is inserted into said pin that fixes the upper end of said brake pedal.

3. The structure as defined in claim 1, wherein a protrusion is upwardly formed on the upper end of said linear link, and said protrusion protrudes out upwardly from the upper surface of said pedal hanger through a hole formed at the upper surface of said pedal hanger.

4. A brake pedal structure, comprising: a pedal hanger defining a first pivot point; a pedal pivotally supported at a first end at the first pivot point and defining a second pivot point between the first end and a second end; a triangle link defining three pivot points arranged in a right triangle configuration wherein the right angle pivot point is forward and the acute angle points are rearward and upward, and wherein said rearward pivot point is pivotally secured to the second pivot point on the pedal; a pushrod configured for cooperation with a vehicle braking system extending forward and pivotally secured to the right angle pivot point of the triangle link; and a linear link having upper and lower ends, wherein said lower end is pivotally secured to the upward pivot point of the triangle link and said upper end is configured with a rearwardly open semi-circle connection that is pivotally received around the first pivot point and releasable therefrom in response to forward rotation of said linear link upper end.

5. The pedal structure of a claim 4, wherein the pedal bracket is configured for mounting to a vehicle structure such that the pedal hanger is pushed rearward in response to a frontal impact, said rearward push causing disengagement of the linear link from the first pivot point to permit rotation of the triangle link.

6. The pedal structure of claim 5, wherein: the linear link includes a protrusion above the pedal hanger at the linear link upper end; and a release bracket configured to be fixed to the vehicle structure cooperates with said protrusion to disengage the linear link from the pivot point.

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