Patent ID: 7293490
Filing Date: 2007-11-13
Classification: B23D,Y10T

Abstract:
1. A sawing angle indicating device for a table sawing machine comprising a saw base and a driving connecting rod, a worm of said driving connecting rod turned to actuate a sector gear on said saw base to rotate for an angle, said saw base actuated by said sector gear to shift bias for an angle within a preset range; and, Characterized by an angle sensing device assembled at a preset location on said driving connecting rod, said angle sensing device composed of a sensing disk, a sensor unit and a circuit device, said sensing disk provided with a sensing portion and firmly fitted on said driving connecting rod, said sensing portion of said sensing disk composed of a series of relative signal sets, said sensor unit composed of two sensors spaced apart with an angle, said two sensors respectively positioned at a preset location of the outer circumferential edge of said sensing disk, said circuit device composed of a micro-chip unit, a digital indicator and a set switch.