Illumination – Light source and modifier – Laser type
Reexamination Certificate
2006-06-27
2006-06-27
Husar, Stephen F (Department: 2875)
Illumination
Light source and modifier
Laser type
C362S089000, C083S520000
Reexamination Certificate
active
07066627
ABSTRACT:
A laser light beam guiding device on a stone cutter includes a tubular main body pivoted to a lug of a seat which is secured to a front top of a blade guard of the stone cutter, a battery chamber in the main body controlled by a switch button on the top, a tubular sleeve on the rear portion of the main body and a laser projector rotatably engaged with the front end of the main body to emit the light beam on a working piece to decide a cutting line for the saw blade to follow up.
REFERENCES:
patent: 6976764 (2005-12-01), Cheng et al.
patent: 6988439 (2006-01-01), Liu et al.
patent: 2004/0261592 (2004-12-01), Chen
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