Work presence controller
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United States of America Patent
Stats
-
Jan 20, 1987
Grant Date -
N/A
app pub date -
Nov 2, 1984
filing date -
Nov 2, 1984
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A saw wherein an arbor is mounted to drive a circular saw blade from below a flat work surface upward through a slot in the work surface to sever any work piece suitably disposed on the work surface. A guard/clamp above the work surface is lowered to engage and clamp each such work piece on the work surface before the saw blade begins its ascent. A sensor is mounted on the guard/clamp to sense the presence of a work piece at a location immediately on the work piece feed side of the saw blade and adjacent a saw fence. The sensor prevents operation of the saw when the sensor fails to establish the presence of a work piece on the work surface.
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Cited Art Landscape
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