Circular saws with laser guides for more precise movement during

Details Circular saws with laser guides for more precise movement during Circular saws with laser guides for more precise movement during

1994-02-16

1995-10-31

Watts, Douglas D.

Cutlery

Cutting tools

Saw

30390, 362119, B23D 4700

Patent

active

054617901

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.

REFERENCES:
patent: 4589208 (1986-05-01), Iwasaki et al.

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