A braking system is provided for mitigating the linear or rotational motion of an object having an axis, the linear or rotational motion being coaxial with the axis. In particular, the motion is the type which is the result of an impulse imposed over a short period of time, typically less than one second....http://www.google.com/patents/US6789456?utm_source=gb-gplus-sharePatent US6789456 - Braking system
