Patent ID: 6915727
Filing Date: 2005-07-12
Classification: B23D,B23Q,Y10T

Abstract:
1. A cut alignment device for a rotary saw having a motor which spins a cutting unit, the cutting unit including a rotary shaft driven by the motor, a circular blade having a central aperture through which the shaft fits, and a blade mounting device for holding the blade on the shaft, in which the blade-mounting device comprises a structural housing that is held on the shaft against the blade, and wherein a light source is located within the structural housing, the cut alignment device comprising: a battery power source carried within the structural housing; the light source, operatively connected to the power source, and carried within the structural housing wherein the light source projects a light beam from the structural housing directed toward the plane of the blade, to assist in cutting accurately; and wherein the structural housing is essentially a partially hollow cylinder with a raised inner central portion and at least two spaced raised support arms radiating from the central portion, the support arms thereby defining two or more pockets in which the battery power source and the light source are located.