Patent ID: 6550589
Filing Date: 2003-04-22
Classification: F16D

Abstract:
A floating drum brake shoe adjuster comprising:a drum brake back plate having an adjuster access passage, a drum brake shoes mounted to the back plate, an hydraulic cylinder having an outer body and one open end, a closed end, and a bore formed between the open and closed ends of the cylinder, and a grease access passage adjacent to the closed end of the bore, and a ram portion, located on the outer body of the closed end of the cylinder, for engaging a drum brake shoe, a hollow access shaft having a cylinder end and a grease fitting end, wherein the cylinder end is connected to the grease access passage, and a grease fitting is connected to the grease fitting end, and wherein the shaft extends through the adjuster access passage of the back plate, a plunger slidably riding in the bore, wherein the plunger has a piston end and a ram end for engaging a drum brake shoe, and wherein the piston end is tapered to prevent the plunger from blocking the grease access passage, and wherein the cylinder is not fixed to the back plate and can float.