Spraying apparatus
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United States of America Patent
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-
Oct 25, 1994
Grant Date -
N/A
app pub date -
Feb 17, 1993
filing date -
Feb 26, 1992
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A spraying apparatus is disclosed, in which a manipulator consisting of a plurality of articulations (linear movement articulations and rotational movement articulations) is mounted on a carriage and a spraying nozzle member is mounted on the last stage rotational movement articulation, which are so constructed that material to be sprayed is supplied to this spraying nozzle member through a hose, and a piping path is formed in the interior of at least rotational movement articulations, for which it is feared that the hose becomes tangled therewith or twisted. A sensor is mounted on either the nozzle or the manipulator to detect the distance between the nozzle and the surface being sprayed. A controller responds to the signals produced by the sensor to maintain the nozzle at a substantially constant distance from the surface during spraying.
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