Positive-angled light beam rotary saw cut alignment device

Details Positive-angled light beam rotary saw cut alignment device Positive-angled light beam rotary saw cut alignment device

2005-03-03

2010-11-23

Nguyen, Phong H (Department: 3724)

Cutting

With illuminating or viewing means for work

Mirror or lens

C083S477100, C083S522170, C030S388000

Reexamination Certificate

active

07836806

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 structural housing. The cut alignment device includes the structural housing defining two or more internal compartments, a battery power source carried within the structural housing, and a beam light source, operatively connected to this power source, and also located within the structural housing. The light source projects a light beam from the cutting unit directed slightly away from the plane of the rotary cutting tool or saw blade such that it never intersects the plane of the blade, to assist the operator in cutting accurately.

REFERENCES:
patent: 5375495 (1994-12-01), Bosten et al.
patent: 5446635 (1995-08-01), Jehn
patent: 6035757 (2000-03-01), Caluori et al.
patent: 6584695 (2003-07-01), Chang
patent: 6742430 (2004-06-01), Chen
patent: 6755107 (2004-06-01), Peot et al.
patent: 2005/0000342 (2005-01-01), Ushiwata et al.

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