Laser module for circular saw

Details Laser module for circular saw Laser module for circular saw

2007-11-13

2007-11-13

Kim, Ellen E. (Department: 2874)

Optical waveguides

With disengagable mechanical connector

Optical fiber to a nonfiber optical device connector

C372S107000

Reexamination Certificate

active

11471526

ABSTRACT:
A laser module used in a circular saw to guide cutting of the saw blade of the circular saw is constructed to have a hollow housing, a focal lens mounted in the housing, a laser diode mounted in the housing behind the focal lens and beyond the focus of the focal lens, a circuit board electrically connected to the laser diode, a focal lens mounted in the housing in front of the laser diode beyond the focus of said focal lens, an annular endpiece threaded into the front side of the housing to hold the focal lens and rotatable relative to the housing to move the focal lens axially relative to the laser diode and to further adjust the pattern the light spot of the laser beam from the laser diode on the workpiece.

REFERENCES:
patent: 4541689 (1985-09-01), Howard et al.
patent: 5621203 (1997-04-01), Swartz et al.
patent: 5710417 (1998-01-01), Joseph et al.
patent: 7143943 (2006-12-01), Tsikos et al.
patent: 7187494 (2007-03-01), Nishiwaki et al.
patent: 2004/0218656 (2004-11-01), Wang et al.

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