Patent ID: 7267207

Claim:
A pneumatically or electromotively operable disc brake for a commercial vehicle, comprising: a brake caliper which straddles a brake disc in use; a brake application device arranged in the caliper, the brake application device displacing a pressure piece toward the brake disc in use; an adjusting spindle arranged in the brake application device, wherein the pressure piece is coupled at one end of the adjusting spindle; a wear adjusting device operatively coupled to the adjusting spindle for adjusting a clearance between the brake disc and a brake lining; a deformable metal bellows operatively configured to seal the pressure piece with respect to the brake caliper; and wherein the bellows is operatively configured to exert a thread holding moment on the adjusting spindle small enough that a wear adjusting function of the wear adjusting device remains effective to ensure rotation of the adjusting spindle.