Wood planing machine with a height display unit
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United States of America Patent
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-
Dec 23, 2003
Grant Date -
N/A
app pub date -
Apr 7, 2003
filing date -
Jan 24, 2003
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A wood planing machine includes a base, screw rods mounted rotatably on and extending from the base, a cutter carriage mounted movably on the screw rods, and a detecting unit including a light transmitter and a light receiver that cooperates with the light transmitter to define a gap therebetween and that generates an electrical signal upon receiving light from the light transmitter. An optical encoder wheel is fixed to one of the screw rods, and is formed with a plurality of angularly spaced apart holes. The optical encoder wheel extends into the gap.
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