Posted by Bob Nisbet on March 17, 2005 at 12:44:59:
I have a 5 inch - 3 Jaw Cushman lathe chuck, and the drive gear is missing. I am looking for someone that could fab a replacement. I can provide drawings and pictures, but here's some info: 0.750 major dia; 0.550 minor dia; teeth cut on what appears to be an 8 deg. bevel; tooth length 0.700. The original was a 0.375 square drive that drives a flat gear which controls the opening and closing of chuck jaws.
This is for a hobby lathe, so cost must be reasonable, as the value of a good chuck is only between $60 and $70.
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