Variable damping for exercise machine has a variable magnetic damper hinge mounted to swing into a damping wheel and operated by a rack and pinion servo drive

摘要

A variable damping system for an exercise machine has ferromagnetic strip (31) Applied to a damping wheel (30) and gripped by a number of magnets (41) on a curved mounting strip (42) swung into contact with the damping wheel by a spring loaded hinge mounting (70). The damping system is brought into contact with the damping wheel by a drive lever (50) and a rack and pinion servo drive, which operates against the spring mounting.