AN INTERNAL SHOE DRUM BRAKE ADJUSTING DEVICE

摘要

An internal shoe drum brake automatic adjuster comprising a strut extending between one brake shoe and a wedge mounted between the strut and an abutment on the other brake shoe. The wedge is spring loaded to increase the spacing between the adjacent end of the strut and the abutment. The abutment is pivoted to the shoe and spring loaded against the wedge to maintain a clearance 'S' between the abutment and a stop secured to the shoe.