Rotary saw cut alignment device
OwnerRaymond Caluori, James R. Bairdinventors
Life of this patent
Estimating the term…
Abstract
A cut alignment device for a rotary saw having a motor which spins a cutting unit which includes 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, the cut alignment device including: a battery power source carried by the cutting unit; and a beam light source, operatively connected to this power source, and carried by the cutting unit; wherein the light source projects a light beam from the cutting unit directed along the cutting edge of the blade to assist the operator in cutting accurately.
Claims9
A cut alignment device for a rotary saw having a motor which spins a cutting unit, said 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, the cut alignment device comprising:
- a battery power source carried by the cutting unit;
- and
- a beam light source, operatively connected to said power source, and carried by the cutting unit;
- wherein said light source projects a light beam from the cutting unit directed along the cutting edge of the blade to assist the operator in cutting accurately.
A cut alignment device for a rotary saw having a motor which spins a cutting unit, said 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, the cut alignment device comprising:
- a battery power source mounted within the blade mounting device;
- a light source operatively connected to said power source and mounted within the blade mounting device, wherein the blade mounting device defines an aperture from which the light emanates;
- and
- a centrifically-engaged switch between said power source and said light source and mounted within the blade mounting device to automatically power said light source when the shaft is spinning;
- wherein said light source projects a light beam from the aperture directed along the cutting edge of the blade to assist the operator in cutting accurately.
Dependencies are inferred from the claim text.