Optics: measuring and testing – Angle measuring or angular axial alignment – Automatic following or aligning while indicating measurement
Reexamination Certificate
2009-04-18
2011-11-01
Tarcza, Thomas (Department: 3662)
Optics: measuring and testing
Angle measuring or angular axial alignment
Automatic following or aligning while indicating measurement
Reexamination Certificate
active
08049875
ABSTRACT:
One embodiment of an instrument for setting the angle between two work pieces. In operation, the instrument is placed on one of the work pieces at a user determined distance from the apex of the angle being set. The instrument projects a light beam creating a light spot on the other work piece. When the light spot is aligned with a user mark on the other work piece the work pieces are aligned at the correct angle. Use of this instrument provides a positive and accurate indication that the work pieces are aligned at the desired angle.
REFERENCES:
patent: 6263584 (2001-07-01), Owens
patent: 2003/0209678 (2003-11-01), Pease
Ratcliffe Luke
Tarcza Thomas
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