| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide a drum brake device to improve the fitting stability of a control lever to distribute the anchor reaction force to an anchor pin equipped on a wheel cylinder and a control piston, to stabilize the operation of the control lever, and to improve the control accuracy in the brake working. SOLUTION: A control lever 50 to be interposed between a wheel cylinder 2 and a secondary shoe 4 forms a shoe abutting part 53 to a recessed arc-like surface which is recessed toward an anchor abutting part 52 side, and a fitting groove 54 to regulate the relative displacement in the thickness direction of a web between the web and the secondary shoe 4 by holding the web of the secondary shoe 4 in the thickness direction is provided.</p> |
