Peptide Identification via Mixed-Integer Optimization

A brake shoe mount for a brake apparatus comprising a first rotatable member mounted on a brake arm and rotatable about a first axis and a second rotatable member fixedly provided with a brake shoe, mounted on the first rotatable member and rotatable about a second axis positioned away from the first axis and wherein the first rotatable member is non-rotatably fixed to the brake arm, and the second rotatable member is non-rotatably fixed to the first rotatable member.