Light beam alignment system
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United States of America Patent
Stats
-
Jan 9, 2007
Grant Date -
Jul 31, 2003
app pub date -
Jan 25, 2002
filing date -
Jan 25, 2002
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A saw such as a chop saw, a circular saw, a compound miter saw or a sliding compound miter saw having a rotatable saw blade is provided with a laser arbor alignment system. The laser arbor may include a power generator that generates power as the saw blade and the laser arbor are rotated by a spindle. The generator may include a stator comprising an electrical magnet or a permanent magnet mounted on a fixed portion of the saw. The other portion of the generator is a rotor comprising a coil that is rotated with the laser arbor to generate power for the laser. Power may also be provided to the laser by slip ring contacts from a stationary source to the laser arbor.
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