Patent ID: 6230850
Filing Date: 2001-05-15
Classification: B62L,F16D

Abstract:
A brake caliper installed in a disk brake of a bicycle and working with the brake disk of a disk brake for stopping the bicycle, the brake caliper comprising a brake caliper base fastened to lugs at a front fork of the bicycle, two cam shafts respectively mounted in the brake caliper base and spaced from the brake disk on opposite sides of the disk brake, the cam shafts having a rectangular shaft body respectively extending out of the brake caliper base, and a crank lever coupled to the cam shafts and driven by a brake cable of the disk brake to move the cam shafts relative to the brake disk,the crank lever having an integral structure terminating in a substantially U-shaped head, the U-shaped head being fastened to the brake cable of the bicycle and having legs respectively terminating in two shoulders, the two shoulders transversely extending and respectively joined to a first end of two parallel extending arms, second ends of the two parallel extending arms respectively coupled to the rectangular shaft body of the cam shafts, a screw hole and a recessed hole respectively provided on the legs of the U-shaped head where the shoulders join the legs of the U-shaped head, a screw rod threaded into the screw hole and having one end inserted into the recessed hole, and an adjustment nut threaded onto the screw rod and rotated to adjust a pitch between the shoulders thereby compensating for spring power of the two arms.