Patent ID: 7523814

Claim:
A disc brake having a brake disc, comprising: a brake caliper which straddles the brake disc at least in sections at a periphery, thereof; a brake application device, which is completely or partially arranged in the brake caliper, for applying the brake; a wear adjusting system, which is arranged in the brake caliper and has at least one adjusting device in the form of a rotary device, for adjusting the air play between brake pads and the brake disc; a rechargeable force store formed as a spiral spring provided as a drive for the adjusting device; a blocking device for blocking actuation of the force store to within a nominal value of the air play; wherein the spiral spring is fastened at a center thereof to a positionally fixed pin and at an outside to a sleeve, which is arranged concentrically with respect to said pin and surrounds the spiral spring at a lateral surface side; and wherein the blocking device has a disc which is provided with a crown toothing which, in a blocked case, engages in a positionally fixed blocking toothing.