US Patent 7051588 Floating platform shock simulation system and apparatus

A shock simulation system including a support plane, a first mass element and a first spring element attached between the support plane and the first mass element. Also included, is a second mass element that is attached to the first mass element with a second spring element as well as a cocking apparatus, positioned between the support plane and the second mass element, that is capable of accumulating and storing energy in the spring elements. The system also includes a trigger for releasing the energy stored in the springs and for causing a mechanical shock event that is substantially transferred to the second mass.