Sealed focusing assembly for an industrial vision system
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United States of America Patent
Stats
-
May 12, 1992
Grant Date -
N/A
app pub date -
Dec 13, 1990
filing date -
Dec 13, 1990
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A sealed focusing assembly for an industrial vision system according to the present invention is comprised of a main housing in threaded contact with an adjustment ring, and in rotatable contact with a lens sleeve. An O-ring functions to frictionally prevent the lens sleeve from rotating as the assembly is focused by rotation of the adjustment ring and the lens sleeve is axially advanced. The O-ring also functions to form a gaseous-tight seal within the focusing assembly. The use of an additional O-ring provides the assembly with superior seal integrity.
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Family
International Classification(s)
Cited Art Landscape
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