Laser alignment device for sawmills

Claim 1

A laser alignment device adapted to be mounted on a lumber cutting machine, comprising: (a) frame means; (b) said frame means including a plurality of vertically spaced mounting means; (c) said mounting means each including a plurality of generally parallel, laterally spaced support rods and a screw-threaded rod positioned between said support rods; (d) laser means adjustable mounted on each said mounting means such that one of said laser means translates over and independent of another of said laser means; (e) each said laser means including a laser source and bracket means; (f) each said bracket means including a plurality of laterally spaced first holes for slidably receiving said support rods, and a screw-threaded second hole for rotatably receiving said screw-threaded rod therein; (g) each said bracket means including a support arm; (h) said support arms being positioned with respect to each other so as to permit said arms to pass each other during an adjustment of said laser means; (i) said support arms comprising a first arm and a second arm; (j) each of said first and second arms including a first end for supporting respective laser source and a second end operably connected with respective mounting means; (k) said screw-threaded rod including rotating means disposed at one end thereof; and (l) wherein a rotation of said screw-threaded rod causes said bracket to be displaced axially.