Workpiece feeding device with angle detection means for saw machine
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United States of America Patent
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Jan 31, 2012
Grant Date -
Sep 10, 2009
app pub date -
Nov 28, 2008
filing date -
Mar 7, 2008
priority date (Note) -
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status (Latency Note)
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Abstract
A workpiece feeding device used in a saw machine is disclosed to include a carrier having a base frame movably mounted on the machine base of the saw machine and an angle scale fastened to the base frame, a fence unit having a rip fence pivotally mounted on the base frame of the carrier and biasable relative to the angle scale, a magnetic plate assembly mounted on the base frame of the carrier and carrying a magnetic strip, and a magnetic sensor mounted in the fence unit and movable with the fence unit to measure the biasing angle of the fence unit relative to the angle scale subject to change of magnetic induction between the magnetic sensor and the magnetic strip.
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