Drum brake assembly
AssigneeZF Active Safety US Inc.
InventorMatthew Wernette
Life of this patent
Estimating the term…
Abstract
A drum brake assembly for a vehicle includes a brake drum. First and second brake shoes are displaceable between a rest condition in which the first and second brake shoes are spaced from the brake drum and a braking condition in which the first and second brake shoes engage the brake drum. A first spring applies a force between the first brake shoe and a fixed component of the vehicle. A second spring applies a force between the second brake shoe and the fixed component of the vehicle. The first and second springs biasing the first and second brake shoes to the rest condition.
Claims15
A drum brake assembly for a vehicle, comprising:
- a brake drum;
- first and second brake shoes displaceable between a rest condition in which the first and second brake shoes are spaced from the brake drum and a braking condition in which the first and second brake shoes engage the brake drum;
- a first spring applying a force between the first brake shoe and a fixed component of the vehicle;
- a second spring applying a force between the second brake shoe and the fixed component of the vehicle, the first and second springs biasing the first and second brake shoes to the rest condition, wherein the fixed component is a post that is between the first and second brake shoes;
- and
- a drum-in-hat adapter adapted to secure a portion of the drum brake assembly to an axle case of the vehicle, the post extending from the drum-in-hat adapter, a longitudinal axis of the post and a longitudinal axis of the drum-in-hat adapter lying in a plane, the first spring urging the first brake shoe towards the plane and the rest condition.
Dependencies are inferred from the claim text.