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.
Claims19
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;
- and
- 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.
A drum brake assembly for a vehicle, comprising:
- a drum-in-hat adapter adapted to be secured to a fixed component of the vehicle, the drum-in-hat adapter having a post;
- first and second brake shoes displaceable relative to the drum-in-hat adapter, each of the first and second brake shoes having opposite first and second ends;
- at least one return spring for centering the first ends of the first and second brake shoes following a braking movement of the first and second brake shoes;
- a first spring for centering the second end of the first brake shoe following the braking movement of the first brake shoe, the first spring being connected to the second end of the first brake shoe and the post;
- and
- a second spring for centering the second end of the second brake shoe following the braking movement of the second brake shoe, the second spring being connected to the second end of the second brake shoe and the post.
Dependencies are inferred from the claim text.