All Products for US Patent 5876043 - Threading or drill chuck with wireless fault transmission

Inventor(s): Watzke; Ruediger (Neunkirchen am Sand,DE)

Owner: Emuge-Werk Richard Glimpel Fabrik fuer Praezisionswerkzeuge (Lauf,DE)

Filing Date: November 19, 1997

Issue Date: March 2, 1999

Abstract: A chuck comprising a chuck body and monitoring electronics for detecting chuck faults fitted within the chuck body. A wireless transmission means is provided on the chuck body for transmitting signals from the monitoring electronics. The chuck has a dynamo having a housing fixed in the chuck body and a rotatable rotor having a mass for rotating relative to the housing when the chuck rotates due to an inertial moment of the mass to produce electric energy to power the monitoring electronics. Optionally provided is an electric energy storage means for storing energy from the dynamo and powering the monitoring electronics to provide for constant operation of the monitoring electronics.