Adjusting device for a vehicle parking brake

Claim 1

Adjusting device for an automatic compensation of cable strand elongations in a vehicle parking brake comprising; an elongate traction plate means actuable by a traction cable of an actuating device, an integrally constructed cable yoke means having end pieces projecting laterally from the traction plate means, each end piece for retaining a cable strand, the cable yoke means having a bearing axis guided slidably along the traction plate means to tension each cable strand, a bracing element anchored on the traction plate means, and a tensioning means having a permanently operative pretensioned spring braced against the traction plate means to bias the cable yoke means in a tensioning adjustment direction, the tensioning means having a disc cam means which is arranged on the bearing axis in common with the integrally constructed cable yoke means and is rotatable by the spring as slack develops in at least one of each cable strand, the disc cam means having catch recesses along its circumference which cooperate with the bracing element anchored on the traction plate means, a spacing of the catch recesses from the bearing axis increases in the tensioning adjustment direction as the disc cam means is rotated.