An apparatus for measuring mechanical forces and force actions by means of body, a restoring element and a movable mass, with elements for limiting the deflections of the movable mass. The movable mass is deflected against the resistance of the restoring element under the influence of a mechanical force...http://www.google.es/patents/US5335544?utm_source=gb-gplus-sharePatente US5335544 - Apparatus for measuring mechanical forces and force actions
Apparatus for measuring mechanical forces and force actions
