Power tool

A power tool including: a motor; a shaft for delivering a torque to a joint or the like, the shaft being drivingly connected to the motor; and a housing that at least partly houses the motor and the shaft. The shaft includes a longitudinal cavity in which a torque transducer is arranged to measure a...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	Elsmark, Karl Johan Lars, Danebergs, Andris
Format:	Patent
Sprache:	eng
Schlagworte:	HAND TOOLS MANIPULATORS MEASURING MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER,MECHANICAL EFFICIENCY, OR FLUID PRESSURE PERFORMING OPERATIONS PHYSICS PORTABLE POWER-DRIVEN TOOLS TESTING TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FORFASTENING, CONNECTING, DISENGAGING OR HOLDING TRANSPORTING
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Beschreibung
Zusammenfassung:	A power tool including: a motor; a shaft for delivering a torque to a joint or the like, the shaft being drivingly connected to the motor; and a housing that at least partly houses the motor and the shaft. The shaft includes a longitudinal cavity in which a torque transducer is arranged to measure a torque acting over a portion of the shaft, wherein the longitudinal cavity includes: a first contact surface for torque transferring contact with a first end portion of the torque transducer; and a second contact surface, separated from the first contact surface, for torque transferring contact with a second end portion of the torque transducer, the portion over which the torque is measured being located between the first and second contact surfaces.