Patent ID: 9321159
Filing Date: 2016-04-26
CPC Classification: B23P,B25B

Claim Text:
1. An impact tool comprising: a housing; a rotating hammer arranged in said housing and rotatable by a motor; a rotating anvil arranged in said housing and rotatable by said hammer by a series of impacts; a shaft rotating around a rotation axis, said shaft having a proximal end fixed to said anvil and a distal end that protrudes from said housing, said distal end terminating in a fitting element for removable connection with an external device; at least one magnetic torque sensor for detecting a torque of said shaft, said at least one torque sensor comprising at least one coil wound around a portion of said distal end, said portion being adjacent to said fitting element, said at least one torque sensor comprising at least one further coil wound around said portion of said distal end, said at least one coil operating as a magnetic field generator and said further coil operating as a magnetic field sensor.