Patent ID: 8839682

Claim:
A device for measuring the torque or force exerted by a drilling machine during a rotation, driving or lifting of a tool; said measuring device comprising: means for engaging a drilling battery or a shaft of at least a drilling equipment or rotary of said machine; said means for engaging being configured for symmetrically or axial-symmetrically locking said drilling battery or said shaft preventing the rotation or the axial displacement in a position in correspondence to said tool and said means for engaging is being associated with at least a transducer for the detection of at least a maximum torque or of at least a maximum force exerted by said machine; said measuring device being fixedly constrained to said drilling battery or to said shaft and being configured for detecting said torque or said maximum force with a static ending block of said drilling battery or of said shaft; an elastic element engaging said static ending block after a rotation or an axial displacement corresponding to a force or torque action equal or contrary to said exerted force or torque.