Drum brake
AssigneeVolkswagenwerk Aktiengesellschaft
InventorKurt Rupprecht
Life of this patent
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Abstract
A drum brake includes a brake shoe having a web, a hand brake lever pivotally attached to the brake shoe by a rivet extending through the hand brake lever and the web and having a stepped rivet shaft formed of adjoining first and second rivet shaft portions and a spring disc mounted on the rivet shaft to compensate for a play between the web and the hand brake lever. The spring disc is situated between the hand brake lever and the web and is firmly riveted to the web by the first rivet shaft portion passing through the hand brake lever. The spring disc has a central radial annular portion of an outer diameter which is greater than the diameter of the first rivet shaft portion. The spring disc further has at least one spring tab starting at the end of the outer diameter of the annular disc portion and extends out of the plane thereof.
Claims2
In a drum brake including a bake shoe having a web, a hand brake lever pivotally attached to the brake shoe by a rivet extending through the hand brake lever and the web and having a stepped rivet shaft formed of adjoining first and second rivet shaft portions, a spring disc mounted on the rivet shaft to compensate for a play between the web and the hand brake lever;
- the improvement wherein said spring disc is situated between said hand brake lever and said web and is firmly riveted to said web by said first rivet shaft portion passing through said hand brake lever;
- said spring disc having a central radial annular portion of an outer diameter which is greater than the diameter of said first rivet shaft portion;
- said spring disc further having at least one radial spring tab starting at the end of said outer diameter and extending out of the plane of said central radial annular portion of said spring disc.
Dependencies are inferred from the claim text.