Patent ID: 6945608
Filing Date: 2005-09-20
Classification: B23D,B28D,Y10T

Abstract:
1. A saw comprising: an engine including a rotatable output shaft; a support having a support surface and a tube stationary relative to the engine and extending from the support surface about part of the output shaft; an output element having an interior and being supported by the tube and rotatable about the tube; a coupling element having a coupling surface within the interior contacting the output shaft within the interior for coupling the output shaft to the output element and wherein the coupling surface on the coupling element includes splines; a cutting blade coupled to the output element an engagement area between the coupling surface and the shaft wherein the engagement area extends a distance less than an axial length of the coupling element; and wherein the output element includes a plurality of belt grooves, one of which is an outer-most groove having an inside face, and wherein the coupling element splines extend inwardly toward the engine no further than the inside face of the outer-most belt groove.