Circular saws with laser guides for more precise movement during cutting
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United States of America Patent
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Oct 31, 1995
Grant Date -
N/A
app pub date -
Feb 16, 1994
filing date -
Feb 16, 1994
priority date (Note) -
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Abstract
A circular saw for more precise movement during cutting comprising a circular blade with a peripheral edge having teeth and a power source to rotate the blade about its axis; a shield covering at least a portion of the blade to protect a user from the peripheral teeth of the blade; a blade plate positionable on the work piece to be cut with an elongated aperture for the passage therethrough of the blade, the blade plate having a notch at its leading edge in alignment with the plane of the blade; a laser device positioned on the shield to project a laser beam in a line from the notch along the workpiece to a line along the direction to be cut; means to power the laser with a visible light; and an optical element to fan the laser beam onto the workpiece in a line within the blade plane and intended direction of blade movement with an angular divergance between about thirty and sixty degrees.
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