Patent ID: 8789521
Filing Date: 2014-07-29
Classification: B23D,B28D,F16D,F16H

Abstract:
1. A saw comprising a rotatable circular saw blade, a drive motor with an motor output shaft for rotating the saw blade, and a transmission for interconnecting the motor output shaft to the rotatable saw blade in order to change an unsuitable high speed and low torque combination of the motor output shaft to a more useful lower speed with higher torque at the rotatable tool, the transmission including a first gear mounted on the motor output shaft, two first gear assemblies arranged to be driven in parallel by the first gear, a second gear arranged to be driven by the two first gear assemblies in parallel, the second gear having a gear output shaft, on which the saw blade is intended to be mounted, each one of the first gear assemblies including one adjustable friction saw protection clutch.