Weld cylinder
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United States of America Patent
Stats
-
Mar 4, 2003
Grant Date -
Oct 31, 2002
app pub date -
Apr 25, 2001
filing date -
Apr 25, 2001
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
According to the present disclosure, a fluid cylinder is provided that is configured to move an object between first and second positions. The fluid cylinder includes a cylinder housing and a shaft configured to move between extended and retracted positions relative to the cylinder housing. Preferably, the fluid cylinder includes a scraper positioned to contact an outer surface of the shaft to remove contaminants therefrom during movement of the shaft. Furthermore, the preferred fluid cylinder includes an anti-rotation mechanism positioned to prevent rotation of the shaft.
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